CN103313273A - Channel sending method, detection method, base station and terminal - Google Patents

Abstract

The invention provides a channel sending method, which comprises the following steps: according to a predefined mode, a base station maps the channel to N resource block pairs on a subframe, and the channel is sent, wherein the predefined mode comprises the mapping mode and/ or transmission mode of the channel, the mapping mode comprises a continuous mapping mode and a discrete mapping mode, the transmission mode comprises a diversity mode and/ or single antenna terminal transmission mode, the channel comprises an enhanced physical downlink control channel, and N is a positive integer. The invention also provides a channel detection method, which comprises the following steps: the terminal detects the channel according to the predefined mode on Z physical resource block pairs in Y physical resource block pairs of the channel configured by a base station signaling. The invention also provides a base station and a terminal. According to the invention, the sending and the detection of the enhanced physical downlink control channel are realized.

Description

A kind of channel sending method, detection method, base station and terminal

Technical field

The present invention relates to the communications field, in particular to a kind of channel sending method, detection method, base station and terminal.

Background technology

In Long Term Evolution (Long Term Evolution the abbreviates LTE as) system two kinds of frame structures are arranged, frame structure type Type 1 is applicable to frequency division full duplex (Frequency Division Duplex abbreviates FDD as) and frequency division half-duplex.Each wireless frame length is 10ms, is made of each time slot 0.5ms, numbering from 0 to 19 20 time slots (slot).Wherein, a subframe (subframe) is made up of two continuous time slot, is made up of two continuous time slot 2i and 2i+1 as subframe i.

Frame structure Type 2 is applicable to time division duplex (Time Division Duplex abbreviates TDD as).A radio frames length is 10ms, is made up of the field (half-frame) that two length are 5ms.A field is made up of for the 1ms subframe 5 length.Special subframe is by descending special subframe DwPTS, and protection is (GP) and up special subframe UpPTS composition at interval, and total length is 1ms.Each subframe i is that (15360 * Ts) time slot 2i and 2i+1 form 0.5ms by two length.

In above-mentioned two kinds of frame structures, for regular circulation prefix (Normal Cyclic Prefix abbreviates Normal CP as), the symbol that it is 66.7 microseconds (us) that time slot comprises 7 length, wherein the CP length of first symbol is 5.21us, and the length of all the other 6 symbols is 4.69us; For extended cyclic prefix (Extended Cyclic Prefix abbreviates Extended CP as), a time slot comprises 6 symbols, and the CP length of all symbols is 16.67us.

Being an OFDM (Orthogonal Frequency Division Multiplexing, OFDM) symbol on a Resource Unit (Resource Element the abbreviates RE as) time domain, is a subcarrier on the frequency domain; A time slot comprises

Individual OFDM symbol, a Resource Block (Resource Block abbreviates RB as) by

Individual Resource Unit is formed, and is 1 time slot on the time domain, is 180kHz on the frequency domain; When the subframe Cyclic Prefix was the regular circulation prefix, a Resource Block as shown in Figure 1; Corresponding a pair of Resource Block (RB-pair) on the same frequency in the subframe, Resource Block is to there being two kinds of mapping modes at physical resource, and a kind of is the right frequency domain position difference (Discrete Mapping) of Resource Block, as shown in Figure 2; A kind of is the right frequency domain position of Resource Block identical (Continuous Mappings), as shown in Figure 3.Discrete virtual resource blocks is according on the following description mapping physical Resource Block, Parameter N _Gap(N _Gap) definition in table 1.

Table 1: Parameter N _GapValue

When

The time, have only a distance values N _{Gap, 1}Be defined, i.e. N _Gap=N _{Gap, 1}

When

The time, two distance values N _{Gap, 1}And N _{Gap, 2}Be defined.

Select N _Gap=N _{Ap, 1}Still select N _Gap=N _{Gap, 2}, according to signaling indication in the descending scheduling resource allocation signal.

Discrete virtual resource block number from 0 to

Wherein,

Work as N _Gap=N _{Gap, 1}The time, $N_{\mathrm{VRB}}^{\mathrm{DL}}=N_{\mathrm{VRB},\mathrm{<figure-callout\; id="1"\; label="gap"\; filenames="HDA0000143106070000011.png,HDA0000143106070000041.png"\; state="\{\{state\}\}">gap</figure-callout>}1}^{\mathrm{DL}}=2\&CenterDot;\min (N_{\mathrm{gap}},N_{\mathrm{RB}}^{\mathrm{DL}}-N_{\mathrm{gap}});$

Work as N _Gap=N _{Gap, 2}The time,

The virtual resource block interleaving is produced

Virtual resource blocks after individual continuous interweaving wherein, is worked as N _Gap=N _{Gap, 1}The time,

Work as N _Gap=N _{Gap, 2}The time,

Interweaving by one 4 row N of virtual resource blocks _RowThe matrix realization of row, wherein,

P represents the size of resource group; Virtual resource blocks writes above-mentioned matrix according to the order of Row Column, then, and the virtual resource blocks index that writes according to the above-mentioned matrix of calling over of Column Row again, N _NullIndividual null character (NUL) is inserted secondary series and the 4th row N reciprocal of above-mentioned matrix _Null/ 2 row, wherein,

When reading the data that write, null character (NUL) is left in the basket.The mapping process of virtual resource block to physical resource block is described below, has just provided the mathematical expression mode that interweaves:

As time slot index n _sDuring for even number:

Wherein,

And

Wherein, n _VRBObtain according to the descending scheduling authorization message in the Downlink Control Information.

As time slot index n _sDuring for odd number:

For any time slot, the virtual resource blocks n of distribution _VRBCorresponding physical Resource Block index n _PRBFor:

$n_{\mathrm{PRB}}\left(n_s\right)=\left\{\begin{array}{c}{\tilde{n}}_{\mathrm{PRB}}\left(n_s\right),{\tilde{n}}_{\mathrm{PRB}}\left(n_s\right)<{\tilde{N}}_{\mathrm{VRB}}^{\mathrm{DL}}/2\\ {\tilde{n}}_{\mathrm{PRB}}\left(n_s\right)+N_{\mathrm{gap}}-{\tilde{N}}_{\mathrm{VRB}}^{\mathrm{DL}}/2,{\tilde{n}}_{\mathrm{PRB}}\left(n_s\right)\&GreaterEqual;{\tilde{N}}_{\mathrm{VRB}}^{\mathrm{DL}}/2\end{array}\right.$

Following three kinds of downlink physical control channels have been defined among the LTE: physical down control format indicating channel (Physical Control Format Indicator Channel, abbreviate PCFICH as), the automatic repeat requests indicating channel of physical mixed (Physical Hybrid Automatic Retransmission Request Indicator Channel, abbreviate PHICH as), Physical Downlink Control Channel (Physical Downlink Control Channel abbreviates PDCCH as).

Physical downlink control channel PDCCH is with control channel element (Control Channel Element, abbreviate CCE as) be mapped on the physical resource for unit, a CCE size is 9 resource unit group (Resource Element Group, abbreviate REG as), i.e. 36 Resource Units, a PDCCH has four kinds of polymerization grades (Aggregation Level), four kinds of polymerization grades corresponding PDCCH respectively take 1,2,4 or 8 CCE, be referred to as polymerization grade 1, polymerization grade 2, polymerization class 4 and polymerization grade 8, also just corresponding four kinds of forms of PDCCH, that is to say the physical resource size that polymerization grade represents physical down control channel occupies.

In the version (Release abbreviates R as) 8/9 of LTE system, for quality of channel being measured and the data symbol that receives being carried out demodulation, designed public reference signal (Common Reference Signal abbreviates CRS as).Subscriber equipment (User Equipment abbreviates UE as) can carry out the measurement of channel by CRS, thereby supports that UE carries out the residential quarter gravity treatment and switches to Target cell.In LTE R10 in order further to improve the average availability of frequency spectrum in residential quarter and the throughput of the cell edge availability of frequency spectrum and each UE, two kinds have been defined respectively with reference to signal: channel information reference signal (CSI-RS) and demodulated reference signal (DMRS), wherein, CSI-RS is used for the measurement of channel, DMRS is used for the demodulation of DSCH Downlink Shared Channel, utilize the DMRS demodulation can utilize the method for wave beam to reduce interference between different receiver sides and the different districts, and can reduce the performance decline that the code book granularity causes, and reduced the expense of descending control signaling to a certain extent.

Under heterogeneous network, because the different base station type has stronger interference, considered macro base station (Macro eNodeB) to the interference problem of little base station (Pico) and Home eNodeB (Home eNodeB) to macro base station (Macro eNodeB) interference problem, LTE R11 proposes by the multi-antenna transmission method based on the proprietary pilot tone of user, solve interference problem, in addition, by PDCCH being mapped to the PDSCH zone, adopt the multiplexing frequency division multiplexing mode of similar PDSCH, can realize that the frequency domain of presence of intercell interference is coordinated.The PDCCH of this enhancing is referred to as ePDCCH (enhance PDCCH).At present, the ePDCCH mapping method mainly contains two kinds of Continuous Mappings and Discrete Mapping, and 1 Resource Block be to can carrying 2,3,4 ePDCCH, 1 Resource Block to the antenna port that uses comprise among 7,8,9, the 10} one or more, as shown in Figure 4.

Sending method and detection method for ePDCCH are not also determined.

Summary of the invention

The invention provides a kind of channel sending method, detection method, base station and terminal, to solve transmission and the detection problem of enhanced physical down control channel.

In order to address the above problem, the invention provides a kind of channel sending method, comprising:

According to predefined pattern, the base station is mapped to N Resource Block of subframe to last with channel, send described channel, described predefined pattern comprises mapped mode and/or the transmission mode of described channel, described mapped mode comprises Continuous Mappings pattern and Discrete Mapping pattern, described transmission mode comprises diversity mode and/or single antenna port transmission pattern, and described channel comprises the enhanced physical down control channel, and N is positive integer.

Further, said method also can have following characteristics, and when the transmission mode of described channel was diversity transmission mode, its mapped mode was the Discrete Mapping pattern;

When the transmission mode of described channel is single antenna port transmission pattern, its mapped mode be Continuous Mappings pattern and Discrete Mapping pattern one of them.

Further, said method also can have following characteristics, and the transmission mode of described channel is disposed by signaling; Perhaps, determine transmission mode according to mapped mode, and described diversity transmission mode is corresponding one by one with described Discrete Mapping pattern; Described single antenna port transmission pattern is corresponding one by one with described Continuous Mappings pattern.

Further, said method also can have following characteristics, the resource units of described channel correspondence is Channel Elements, and described channel bearing is on M Channel Elements, and 1 Physical Resource Block is to comprising h Channel Elements, the grade of described channel correspondence be T grade one of them, the Channel Elements of the corresponding varying number of different brackets, wherein, M, h, T are positive integer.

Further, said method also can have following characteristics, and the grade of described channel correspondence is indicated by signaling, and perhaps, the grade of described channel correspondence is the predefine value.

Further, said method also can have following characteristics, and X grade is fixing mapped mode in the described T grade, remains grade and disposes mapped mode by signaling, and wherein, X is more than or equal to 0 and smaller or equal to T.

Further, said method also can have following characteristics, and described X is 0, by the mapped mode of the described T of a T bit configuration grade, and corresponding 1 bit of each grade;

Perhaps, described X is 0, comprises following 4 grades in the described T grade: respectively corresponding 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss; Dispose the mapped mode of each grade correspondence by signaling, the mapped mode of described signaling indication comprises one of following or its combination:

The grade of corresponding 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss is the Continuous Mappings pattern, and the grade of corresponding 8 Channel Elementss is the Discrete Mapping pattern;

The grade of corresponding 1 Channel Elements is the Continuous Mappings pattern, and the grade of corresponding 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss is the Discrete Mapping pattern;

The grade of corresponding 1 Channel Elements, 2 Channel Elementss is the Continuous Mappings pattern, and the grade of corresponding 4 Channel Elementss, 8 Channel Elementss is the Discrete Mapping pattern;

The grade of corresponding 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss is the Continuous Mappings pattern, and the grade of corresponding 8 Channel Elementss is the Discrete Mapping pattern;

Perhaps, described X is that 1,1 grade is fixed as Continuous Mappings, and other T-1 grade is passed through its mapped mode of T-1 bit configuration, corresponding 1 bit of each grade;

Perhaps, described X is 0, and described T grade adopts identical mapped mode, disposed the mapped mode of a described T grade by signaling.

Further, said method also can have following characteristics, described Physical Resource Block is divided into resource unit group to the Resource Unit that will carry described channel according to the time domain orthogonal frequency division multiplexing symbol, 1 resource unit group comprises z Resource Unit, described resource unit group is divided into Channel Elements, wherein

1 Physical Resource Block takies different resource unit group to h Channel Elements of correspondence;

Perhaps,

Z equals h, and 1 Physical Resource Block is multiplexing on same asset by sign indicating number branch mode to h Channel Elements of correspondence, 1 Channel Elements corresponding 1 spreading code that length is z on 1 resource unit group;

Perhaps,

Z equals

Wherein, when h was even number, 1 Physical Resource Block was divided into two groups to h Channel Elements of correspondence,

Individual Channel Elements is 1 group, Channel Elements corresponding in the group is multiplexing on same asset by sign indicating number branch mode, 1 Channel Elements corresponding 1 spreading code that length is z on 1 resource unit group, with 1 group of interior Channel Elements different spreading code of correspondence on the same resource units group, Channel Elements on the same group is not positioned on the different resources, corresponding different resource unit group;

Expression rounds downwards.

Further, said method also can have following characteristics, when described predefined pattern is the Discrete Mapping pattern, described channel is mapped on the discrete channel of the g unit, 1 pair of discrete channel unit maps to 2 different Physical Resource Block is to last, 1 corresponding 1 Physical Resource Block in discrete channel unit is right, and wherein, 1 discrete channel unit is to comprising 2 Channel Elementss.

Further, said method also can have following characteristics, with the Channel Elements numbering of 1 Physical Resource Block to comprising, is divided into k Channel Elements group, and the Channel Elements that each Channel Elements group comprises is different, and preceding k-1 Channel Elements group comprises for every group

Individual Channel Elements, the residue Channel Elements is assigned to k Channel Elements group, and described discrete channel unit is on the same channel unit group that is mapped to described Physical Resource Block.

Further, said method also can have following characteristics, when described discrete channel unit comprises 2 Channel Elementss to the Channel Elements group that is mapped to, on the 1st Channel Elements of the destination channel unit group that 1 Physical Resource Block of 1 discrete channel unit maps is right, on the 2nd Channel Elements of the destination channel unit group that another another Physical Resource Block of discrete channel unit maps is right.

Further, said method also can have following characteristics, described discrete channel unit to index q corresponding to discrete virtual resource blocks index q, discrete virtual resource blocks q corresponding physical Resource Block is right to the Physical Resource Block at place to being described discrete channel unit, the 1st discrete virtual resource blocks q of Channel Elements mapping of described discrete channel cell pairs is on the 1st Channel Elements of the right destination channel unit group of the 1st time slot corresponding physical Resource Block of subframe, and the 2nd discrete virtual resource blocks q of Channel Elements mapping of described discrete channel cell pairs is on the 2nd Channel Elements of the right destination channel unit group of the 2nd time slot corresponding physical Resource Block of subframe.

Further, said method also can have following characteristics, when described k greater than 1 the time, described discrete channel unit is disposed by signaling the destination channel unit group index at place.

Further, said method also can have following characteristics, and when described h was 4, described k was 2, and when described h was 2, described k was 1, and when described h was 1, described k was 1.

Further, said method also can have following characteristics, and described method also comprises: the Physical Resource Block pair set of described channel is detected by the signaling configurating terminal in described base station, and it is right to select to obtain a described N Physical Resource Block from described Physical Resource Block pair set.

Further, said method also can have following characteristics, and when described predefined pattern was the Continuous Mappings pattern, a described N Physical Resource Block was right to being N continuous physical resource piece.

The present invention also provides a kind of channel detection method, comprising:

Terminal Z Physical Resource Block of Y Physical Resource Block centering of the detection channel of base station signaling configuration on, detect described channel according to predefined pattern, described predefined pattern comprises mapped mode and/or the transmission mode of described channel, described mapped mode comprises Continuous Mappings pattern and Discrete Mapping pattern, described transmission mode comprises diversity mode and/or single antenna port transmission pattern, described channel comprises the enhanced physical down control channel, wherein, described channel is mapped to N Physical Resource Block to last, Z is more than or equal to N and smaller or equal to Y, N, Y, Z is positive integer.

Further, said method also can have following characteristics, and as described Y during greater than described Z, described terminal selects described Z Physical Resource Block to be detected right in each subframe from described Y Physical Resource Block centering.

Further, said method also can have following characteristics, the resource units of described channel correspondence is Channel Elements, and described channel bearing is on M Channel Elements, and 1 Physical Resource Block is to comprising h Channel Elements, corresponding T the grade of described channel, different brackets comprises the Channel Elements of varying number, wherein, and M, h, T are positive integer.

Further, said method also can have following characteristics, and described method comprises that also with described T grade grouping, the Physical Resource Block of the Channel Detection of same group of interior grade correspondence is to identical.

Further, said method also can have following characteristics, the group technology of described T grade grouping is comprised at least one of following:

The channel grade that comprises 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss is one group;

Perhaps,

The channel grade that comprises 1 Channel Elements, 2 Channel Elementss is one group, and the channel grade that comprises 4 Channel Elementss, 8 Channel Elementss is one group;

Perhaps,

The channel grade that comprises 1 Channel Elements is one group, and comprising 2 Channel Elements channel grades is one group, and the channel grade that comprises 4 Channel Elementss is one group, and comprising 8 Channel Elements channel grades is one group;

Perhaps,

The channel grade that comprises 1 Channel Elements is one group, and the channel grade that comprises 2 Channel Elementss is one group, and the channel grade that comprises 4 Channel Elementss is one group with the channel grade that comprises 8 Channel Elementss;

Perhaps,

The channel grade that comprises 1 Channel Elements is one group, and comprising the channel grade of 2 Channel Elementss, the channel grade that comprises 4 Channel Elementss, the channel grade that comprises 8 Channel Elementss is one group.

Further, said method also can have following characteristics, and described terminal is determined mapped mode and the transmission mode of described channel according to the grade of signaling and/or described channel.

Further, said method also can have following characteristics, and when described mapped mode was the Continuous Mappings pattern, described terminal detected described channel according to described grade at a described Z Physical Resource Block on to the Channel Elements of correspondence;

When 1 Physical Resource Block when comprising 4 Channel Elementss, it is one of following that detection principle comprises at least:

Be the channel of 1 Channel Elements for grade, detect the Channel Elements in 1 right Channel Elements group of each Physical Resource Block, each Physical Resource Block is identical to the Channel Elements group index of last detection;

Being the channel of 2 Channel Elementss for grade, is unit with the Channel Elements group, and each Physical Resource Block is identical to the Channel Elements group of last detection;

Grade is the Channel Elements group that detects of 2 Channel Elementss with grade is that the Channel Elements group of 1 Channel Elements detection is identical;

Be the channel of 4 Channel Elementss for grade, to being unit, it is right to each last Physical Resource Block to detect a described Z Physical Resource Block with Physical Resource Block;

Be the channel of 4 Channel Elementss for grade, with Physical Resource Block to being unit, to be that the Channel Elements group that detects of 1 Channel Elements detects the Physical Resource Block that described Physical Resource Block centering is numbered odd number during for odd number right when the terminal detection level, and it is right that the grade that detects when terminal is that the Channel Elements group that detects of 1 Channel Elements detects the Physical Resource Block that described Physical Resource Block centering is numbered even number during for even number;

Be the channel of 8 Channel Elementss for grade, to being unit, to sequence detection, each Physical Resource Block that detects is not to overlapping to a described Z Physical Resource Block with continuous 2 Physical Resource Block.

Further, said method also can have following characteristics, and when described mapped mode was Continuous Mappings, terminal detected described channel according to described grade at a described Z Physical Resource Block on to the Channel Elements of correspondence;

When 1 Physical Resource Block when comprising 2 Channel Elementss, it is one of following that detection principle comprises at least:

Be the channel of 1 Channel Elements for grade, detect all right Channel Elementss of each Physical Resource Block;

Be the channel of 2 Channel Elementss for grade, with Physical Resource Block to being that unit detects;

Be the channel of 4 Channel Elementss for grade, to being unit, to sequence detection, each Physical Resource Block that detects is not to overlapping to a described Z Physical Resource Block with continuous 2 Physical Resource Block;

Be the channel of 8 Channel Elementss for grade, to being unit, to sequence detection, each Physical Resource Block that detects is not to overlapping to a described Z Physical Resource Block with continuous 4 Physical Resource Block.

Further, said method also can have following characteristics, when described mapped mode is the Discrete Mapping pattern, terminal with a described Z Physical Resource Block to being mapped as the discrete channel unit, on described discrete channel unit, detect described channel according to described grade, wherein, a described Z Physical Resource Block is comprised being mapped as the discrete channel unit:

According to the mapping ruler of discrete virtual resource blocks, discrete Physical Resource Block is constituted the discrete channel unit to last Channel Elements, perhaps, to being divided into resource unit group, deinterleaving constitutes the discrete channel unit with described Physical Resource Block.

Further, said method also can have following characteristics, and it is one of following that the detection principle when detecting described channel according to described grade on described discrete channel unit comprises at least:

When 1 Physical Resource Block when comprising 4 Channel Elementss, be the channel of 2 Channel Elementss for grade, detect discrete channel unit corresponding in 1 right Channel Elements group of a described Z Physical Resource Block, each Physical Resource Block is identical to the Channel Elements group index of last detection, be unit with continuous 2 discrete channel unit, each discrete channel unit index that detects is not overlapping;

When 1 Physical Resource Block when comprising 2 Channel Elementss, be the channel of 2 Channel Elementss for grade, be unit with continuous 2 discrete channel unit, detect the discrete channel unit of all Physical Resource Block to comprising, each discrete channel unit index that detects is not overlapping;

Being the channel of 4 Channel Elementss for grade, is unit with continuous 4 discrete channel unit, detects the discrete channel unit of a described Z Physical Resource Block to comprising, and each discrete channel unit index that detects is not overlapping;

Being the channel of 8 Channel Elementss for grade, is unit with continuous 8 discrete channel unit, detects the discrete channel unit of a described Z Physical Resource Block to comprising, and each discrete channel unit index that detects is not overlapping.

Further, said method also can have following characteristics, the detection number of times that described terminal detects described channel according to predefined pattern comprise following one of at least:

When terminal when only detection level is 1 Channel Elements, 2 Channel Elementss, 1 Channel Elements detects 8 times, and 2 Channel Elementss detect 8 times;

When terminal when only detection level is 4 Channel Elementss, 8 Channel Elementss, 4 Channel Elementss detect 8 times, and 8 Channel Elementss detect 8 times;

When terminal when only detection level is 4 Channel Elementss, 8 Channel Elementss, 4 Channel Elementss detect 8 times, and 8 Channel Elementss detect 4 times;

When terminal when only detection level is 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss, 1 Channel Elements detects 8 times, and 2 Channel Elementss detect 4 times, and 4 Channel Elementss detect 4 times;

When terminal when only detection level is 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss, 2 Channel Elementss detect 8 times, and 4 Channel Elementss detect 4 times, and 8 Channel Elementss detect 4 times;

When terminal when only detection level is 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss, 2 Channel Elementss detect 8 times, and 4 Channel Elementss detect 4 times, and 8 Channel Elementss detect 2 times;

When terminal when only detection level is 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss, 1 Channel Elements detects 8 times, and 2 Channel Elementss detect 4 times, and 4 Channel Elementss detect 2 times, and 8 Channel Elementss detect 2 times;

When terminal when only detection level is 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss, 1 Channel Elements detects 4 times, and 2 Channel Elementss detect 8 times, and 4 Channel Elementss detect 2 times, and 8 Channel Elementss detect 2 times;

When terminal when only detection level is 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss, 1 Channel Elements detects 8 times, and 2 Channel Elementss detect 4 times, and 4 Channel Elementss detect 2 times, and 8 Channel Elementss detect 1 time;

When terminal when only detection level is 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss, 1 Channel Elements detects 4 times, and 2 Channel Elementss detect 8 times, and 4 Channel Elementss detect 2 times, and 8 Channel Elementss detect 1 time.

The present invention also provides a kind of base station, comprising:

Dispensing unit, be used for determining predefined pattern, described predefined pattern comprises mapped mode and/or the transmission mode of described channel, and described mapped mode comprises Continuous Mappings pattern and Discrete Mapping pattern, and described transmission mode comprises diversity mode and/or single antenna port transmission pattern;

Map unit is used for according to described predefined pattern, and channel is mapped to N Resource Block of subframe to last;

Transmitting element is used for according to described predefined pattern, sends described channel;

Wherein, described channel comprises the enhanced physical down control channel, and N is positive integer.

Further, above-mentioned base station also can have following characteristics, and in the described predefined pattern, when the transmission mode of described channel was diversity transmission mode, its mapped mode was the Discrete Mapping pattern; When the transmission mode of described channel is single antenna port transmission pattern, its mapped mode be Continuous Mappings pattern and Discrete Mapping pattern one of them.

Further, above-mentioned base station also can have following characteristics, and described dispensing unit is determined transmission mode according to signaling; Perhaps, determine transmission mode according to mapped mode, and described diversity transmission mode is corresponding one by one with described Discrete Mapping pattern; Described single antenna port transmission pattern is corresponding one by one with described Continuous Mappings pattern.

Further, above-mentioned base station also can have following characteristics, the resource units of described channel correspondence is Channel Elements, and described channel bearing is on M Channel Elements, and 1 Physical Resource Block is to comprising h Channel Elements, the grade of described channel correspondence be T grade one of them, the Channel Elements of the corresponding varying number of different brackets, wherein, M, h, T are positive integer.

Further, above-mentioned base station also can have following characteristics, and described dispensing unit also is used for, and the grade of channel correspondence is determined in indication according to signaling, and perhaps, the grade of described channel correspondence is the predefine value.

Further, above-mentioned base station also can have following characteristics, and described dispensing unit also is used for, obtain in the described T grade mapped mode of other outer grades of X grade by signaling, wherein, a described X grade is fixing mapped mode, wherein, X is more than or equal to 0 and smaller or equal to T.

Further, above-mentioned base station also can have following characteristics, and described X is 0, and described dispensing unit is determined the mapped mode of a described T grade according to the T bit signalling, corresponding 1 bit of each grade;

Perhaps, described X is 0, comprises following 4 grades in the described T grade: respectively corresponding 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss; Described dispensing unit obtains the mapped mode of each grade correspondence by signaling, and the mapped mode of described signaling indication comprises one of following or its combination:

The grade of corresponding 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss is the Continuous Mappings pattern, and the grade of corresponding 8 Channel Elementss is the Discrete Mapping pattern;

The grade of corresponding 1 Channel Elements is the Continuous Mappings pattern, and the grade of corresponding 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss is the Discrete Mapping pattern;

The grade of corresponding 1 Channel Elements, 2 Channel Elementss is the Continuous Mappings pattern, and the grade of corresponding 4 Channel Elementss, 8 Channel Elementss is the Discrete Mapping pattern;

The grade of corresponding 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss is the Continuous Mappings pattern, and the grade of corresponding 8 Channel Elementss is the Discrete Mapping pattern;

Perhaps, described X is that 1,1 grade is fixed as Continuous Mappings, and other T-1 grade is determined its mapped mode by the T-1 bit signalling, corresponding 1 bit of each grade;

Perhaps, described X is 0, and described T grade adopts identical mapped mode, determines the mapped mode of a described T grade by signaling.

Further, above-mentioned base station also can have following characteristics, described map unit also is used for: described Physical Resource Block is divided into resource unit group to the Resource Unit that will carry described channel according to the time domain orthogonal frequency division multiplexing symbol, 1 resource unit group comprises z Resource Unit, described resource unit group is divided into Channel Elements, wherein

1 Physical Resource Block takies different resource unit group to h Channel Elements of correspondence;

Perhaps,

Z equals h, and 1 Physical Resource Block is multiplexing on same asset by sign indicating number branch mode to h Channel Elements of correspondence, 1 Channel Elements corresponding 1 spreading code that length is z on 1 resource unit group;

Perhaps,

Z equals

Wherein, when h was even number, 1 Physical Resource Block was divided into two groups to h Channel Elements of correspondence,

Individual Channel Elements is 1 group, Channel Elements corresponding in the group is multiplexing on same asset by sign indicating number branch mode, 1 Channel Elements corresponding 1 spreading code that length is z on 1 resource unit group, with 1 group of interior Channel Elements different spreading code of correspondence on the same resource units group, Channel Elements on the same group is not positioned on the different resources, corresponding different resource unit group;

Expression rounds downwards.

Further, above-mentioned base station also can have following characteristics, described map unit also is used for: when described predefined pattern is the Discrete Mapping pattern, described channel is mapped on the discrete channel of the g unit, 1 pair of discrete channel unit maps to 2 different Physical Resource Block is to last, 1 corresponding 1 Physical Resource Block in discrete channel unit is right, and wherein, 1 discrete channel unit is to comprising 2 Channel Elementss.

Further, above-mentioned base station also can have following characteristics, and described map unit also is used for: with the Channel Elements numbering of 1 Physical Resource Block to comprising, be divided into k Channel Elements group, the Channel Elements that each Channel Elements group comprises is different, and preceding k-1 Channel Elements group comprises for every group

Individual Channel Elements, the residue Channel Elements is assigned to k Channel Elements group, and described discrete channel unit is on the same channel unit group that is mapped to described Physical Resource Block.

Further, above-mentioned base station also can have following characteristics, described map unit also is used for: when described discrete channel unit comprises 2 Channel Elementss to the Channel Elements group that is mapped to, on the 1st Channel Elements of the destination channel unit group that 1 Physical Resource Block of 1 discrete channel unit maps is right, on the 2nd Channel Elements of the destination channel unit group that another another Physical Resource Block of discrete channel unit maps is right.

Further, above-mentioned base station also can have following characteristics, described map unit also is used for: described discrete channel unit to index q corresponding to discrete virtual resource blocks index q, discrete virtual resource blocks q corresponding physical Resource Block is right to the Physical Resource Block at place to being described discrete channel unit, the 1st discrete virtual resource blocks q of Channel Elements mapping of described discrete channel cell pairs is on the 1st Channel Elements of the right destination channel unit group of the 1st time slot corresponding physical Resource Block of subframe, and the 2nd discrete virtual resource blocks q of Channel Elements mapping of described discrete channel cell pairs is on the 2nd Channel Elements of the right destination channel unit group of the 2nd time slot corresponding physical Resource Block of subframe.

Further, above-mentioned base station also can have following characteristics, and described map unit also is used for: when described k greater than 1 the time, determine that by signaling described discrete channel unit is to the destination channel unit group index at place.

Further, above-mentioned base station also can have following characteristics, and when described h was 4, described k was 2, and when described h was 2, described k was 1, and when described h was 1, described k was 1.

Further, above-mentioned base station also can have following characteristics, and described dispensing unit also is used for detecting by the signaling configurating terminal Physical Resource Block pair set of described channel;

Described map unit also is used for: it is right to select to obtain a described N Physical Resource Block from described Physical Resource Block pair set.

Further, above-mentioned base station also can have following characteristics, and when described predefined pattern was the Continuous Mappings pattern, a described N Physical Resource Block was right to being N continuous physical resource piece.

The present invention also provides a kind of terminal, comprising:

Detecting unit, be used for Z Physical Resource Block of Y Physical Resource Block centering of the detection channel of base station signaling configuration to, detect described channel according to predefined pattern, described predefined pattern comprises mapped mode and/or the transmission mode of described channel, described mapped mode comprises Continuous Mappings pattern and Discrete Mapping pattern, described transmission mode comprises diversity mode and/or single antenna port transmission pattern, described channel comprises the enhanced physical down control channel, wherein, described channel is mapped to N Physical Resource Block to last, Z is more than or equal to N and smaller or equal to Y, N, Y, Z is positive integer.

Further, above-mentioned terminal also can have following characteristics, and described detecting unit also is used for: as described Y during greater than described Z, select described Z Physical Resource Block to be detected right in each subframe from described Y Physical Resource Block centering.

Further, above-mentioned terminal also can have following characteristics, the resource units of described channel correspondence is Channel Elements, and described channel bearing is on M Channel Elements, and 1 Physical Resource Block is to comprising h Channel Elements, corresponding T the grade of described channel, different brackets comprises the Channel Elements of varying number, wherein, and M, h, T are positive integer.

Further, above-mentioned terminal also can have following characteristics, described detecting unit be for: with the grouping of described T grade, the Physical Resource Block of the Channel Detection of the grade correspondence in same group is to identical.

Further, above-mentioned terminal also can have following characteristics, the group technology of described T grade grouping is comprised at least one of following:

The channel grade that comprises 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss is one group;

Perhaps,

The channel grade that comprises 1 Channel Elements, 2 Channel Elementss is one group, and the channel grade that comprises 4 Channel Elementss, 8 Channel Elementss is one group;

Perhaps,

The channel grade that comprises 1 Channel Elements is one group, and comprising 2 Channel Elements channel grades is one group, and the channel grade that comprises 4 Channel Elementss is one group, and comprising 8 Channel Elements channel grades is one group;

Perhaps,

The channel grade that comprises 1 Channel Elements is one group, and the channel grade that comprises 2 Channel Elementss is one group, and the channel grade that comprises 4 Channel Elementss is one group with the channel grade that comprises 8 Channel Elementss;

Perhaps,

The channel grade that comprises 1 Channel Elements is one group, and comprising the channel grade of 2 Channel Elementss, the channel grade that comprises 4 Channel Elementss, the channel grade that comprises 8 Channel Elementss is one group.

Further, above-mentioned terminal also can have following characteristics, and described detecting unit also is used for: mapped mode and the transmission mode of determining described channel according to the grade of signaling and/or described channel.

Further, above-mentioned terminal also can have following characteristics, and described detecting unit is used for: when described mapped mode is the Continuous Mappings pattern, detect described channel according to described grade at a described Z Physical Resource Block on to the Channel Elements of correspondence;

When 1 Physical Resource Block when comprising 4 Channel Elementss, it is one of following that detection principle comprises at least:

Be the channel of 1 Channel Elements for grade, detect the Channel Elements in 1 right Channel Elements group of each Physical Resource Block, each Physical Resource Block is identical to the Channel Elements group index of last detection;

Being the channel of 2 Channel Elementss for grade, is unit with the Channel Elements group, and each Physical Resource Block is identical to the Channel Elements group of last detection;

Grade is the Channel Elements group that detects of 2 Channel Elementss with grade is that the Channel Elements group of 1 Channel Elements detection is identical;

Be the channel of 4 Channel Elementss for grade, to being unit, it is right to each last Physical Resource Block to detect a described Z Physical Resource Block with Physical Resource Block;

Be the channel of 4 Channel Elementss for grade, with Physical Resource Block to being unit, to be that the Channel Elements group that detects of 1 Channel Elements detects the Physical Resource Block that described Physical Resource Block centering is numbered odd number during for odd number right when detection level, and to be that the Channel Elements group that detects of 1 Channel Elements detects the Physical Resource Block that described Physical Resource Block centering is numbered even number during for even number right when detection level;

Be the channel of 8 Channel Elementss for grade, to being unit, to sequence detection, each Physical Resource Block that detects is not to overlapping to a described Z Physical Resource Block with continuous 2 Physical Resource Block.

Further, above-mentioned terminal also can have following characteristics, and described detecting unit also is used for: when described mapped mode is Continuous Mappings, detect described channel according to described grade at a described Z Physical Resource Block on to the Channel Elements of correspondence;

When 1 Physical Resource Block when comprising 2 Channel Elementss, it is one of following that detection principle comprises at least:

Be the channel of 1 Channel Elements for grade, detect all right Channel Elementss of each Physical Resource Block;

Be the channel of 2 Channel Elementss for grade, with Physical Resource Block to being that unit detects;

Be the channel of 4 Channel Elementss for grade, to being unit, to sequence detection, each Physical Resource Block that detects is not to overlapping to a described Z Physical Resource Block with continuous 2 Physical Resource Block;

Be the channel of 8 Channel Elementss for grade, to being unit, to sequence detection, each Physical Resource Block that detects is not to overlapping to a described Z Physical Resource Block with continuous 4 Physical Resource Block.

Further, above-mentioned terminal also can have following characteristics, described detecting unit also is used for: when described mapped mode is the Discrete Mapping pattern, with a described Z Physical Resource Block to being mapped as the discrete channel unit, on described discrete channel unit, detect described channel according to described grade, wherein, a described Z Physical Resource Block is comprised being mapped as the discrete channel unit:

According to the mapping ruler of discrete virtual resource blocks, discrete Physical Resource Block is constituted the discrete channel unit to last Channel Elements, perhaps, to being divided into resource unit group, deinterleaving constitutes the discrete channel unit with described Physical Resource Block.

Further, above-mentioned terminal also can have following characteristics, and it is one of following that the detection principle when described detecting unit detects described channel according to described grade on described discrete channel unit comprises at least:

When 1 Physical Resource Block when comprising 4 Channel Elementss, be the channel of 2 Channel Elementss for grade, detect discrete channel unit corresponding in 1 right Channel Elements group of a described Z Physical Resource Block, each Physical Resource Block is identical to the Channel Elements group index of last detection, be unit with continuous 2 discrete channel unit, each discrete channel unit index that detects is not overlapping;

When 1 Physical Resource Block when comprising 2 Channel Elementss, be the channel of 2 Channel Elementss for grade, be unit with continuous 2 discrete channel unit, detect the discrete channel unit of all Physical Resource Block to comprising, each discrete channel unit index that detects is not overlapping;

Being the channel of 4 Channel Elementss for grade, is unit with continuous 4 discrete channel unit, detects the discrete channel unit of a described Z Physical Resource Block to comprising, and each discrete channel unit index that detects is not overlapping;

Being the channel of 8 Channel Elementss for grade, is unit with continuous 8 discrete channel unit, detects the discrete channel unit of a described Z Physical Resource Block to comprising, and each discrete channel unit index that detects is not overlapping.

Further, above-mentioned terminal also can have following characteristics, the detection number of times that described detecting unit detects described channel according to predefined pattern comprise following one of at least:

When only detection level was 1 Channel Elements, 2 Channel Elementss, 1 Channel Elements detected 8 times, and 2 Channel Elementss detect 8 times;

When only detection level was 4 Channel Elementss, 8 Channel Elementss, 4 Channel Elementss detected 8 times, and 8 Channel Elementss detect 8 times;

When only detection level was 4 Channel Elementss, 8 Channel Elementss, 4 Channel Elementss detected 8 times, and 8 Channel Elementss detect 4 times;

When only detection level was 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss, 1 Channel Elements detected 8 times, and 2 Channel Elementss detect 4 times, and 4 Channel Elementss detect 4 times;

When only detection level was 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss, 2 Channel Elementss detected 8 times, and 4 Channel Elementss detect 4 times, and 8 Channel Elementss detect 4 times;

When only detection level was 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss, 2 Channel Elementss detected 8 times, and 4 Channel Elementss detect 4 times, and 8 Channel Elementss detect 2 times;

When only detection level was 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss, 1 Channel Elements detected 8 times, and 2 Channel Elementss detect 4 times, and 4 Channel Elementss detect 2 times, and 8 Channel Elementss detect 2 times;

When only detection level was 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss, 1 Channel Elements detected 4 times, and 2 Channel Elementss detect 8 times, and 4 Channel Elementss detect 2 times, and 8 Channel Elementss detect 2 times;

When only detection level was 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss, 1 Channel Elements detected 8 times, and 2 Channel Elementss detect 4 times, and 4 Channel Elementss detect 2 times, and 8 Channel Elementss detect 1 time;

When only detection level was 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss, 1 Channel Elements detected 4 times, and 2 Channel Elementss detect 8 times, and 4 Channel Elementss detect 2 times, and 8 Channel Elementss detect 1 time.

The present invention improves the shared efficiency of resource of ePDCCH, reduce the wasting of resources, reuse existing LTE system configuration as far as possible, reduce implementation complexity, simultaneously, guarantee that ePDCCH obtains frequency diversity gain or scheduling gain, a plurality of ePDCCH concentrate mapping as far as possible, to reduce the shared resource of ePDCCH to the influence of PDSCH transmission.

Description of drawings

Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not constitute improper restriction of the present invention.In the accompanying drawings:

Fig. 1 is the schematic diagram according to the resource block mapping when the subframe Cyclic Prefix is the regular circulation prefix of correlation technique;

Fig. 2 is according to the Resource Block of the correlation technique schematic diagram to Discrete Mapping;

Fig. 3 is according to the Resource Block of the correlation technique schematic diagram to Continuous Mappings;

Fig. 4 is proprietary pilot tone antenna port 7 to 10 schematic diagrames of terminal;

Fig. 5 adopts frequency division multiplexing mode Physical Resource Block to being divided into the schematic diagram of Channel Elements;

Frequency division multiplex mode Physical Resource Block was to being divided into the schematic diagram of Channel Elements when Fig. 6 was employing;

Fig. 7 (a), Fig. 7 (b) adopt code division multiplexing mode Physical Resource Block to being divided into the resource unit group schematic diagram;

Fig. 8 (a), Fig. 8 (b) adopt code division multiplexing mode Physical Resource Block to being divided into another schematic diagram of resource unit group;

Fig. 9 be described channel Physical Resource Block on the schematic diagram of Continuous Mappings;

Figure 10 be described channel Physical Resource Block on another schematic diagram of Continuous Mappings;

Figure 11 is embodiment of the invention base station block diagram.

Embodiment

Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.

The embodiment of the invention provides a kind of channel sending method, comprising:

According to predefined pattern, the base station is mapped to N Resource Block to last with channel, send described channel, wherein, described predefined pattern comprises mapped mode and/or the transmission mode of described channel, and described mapped mode comprises Continuous Mappings pattern and Discrete Mapping pattern, and described transmission mode comprises diversity mode and/or single antenna port transmission pattern, wherein, described channel comprises the enhanced physical down control channel.

Corresponding Discrete Mapping pattern when further, described channel transmission mode is diversity transmission mode; Corresponding Continuous Mappings pattern and Discrete Mapping pattern when described channel transmission mode is single antenna port transmission pattern, wherein, described transmission mode is disposed by signaling; Perhaps, determine transmission mode according to mapped mode, and described diversity transmission mode is corresponding one by one with described Discrete Mapping pattern, described single antenna port transmission pattern is corresponding one by one with described Continuous Mappings pattern;

Described diversity mode is the antenna diversity pattern, for example: SFBC;

Further, the resource units of described channel correspondence is Channel Elements, described channel bearing on M Channel Elements, 1 Physical Resource Block to comprise h Channel Elements (Channel Element, CE), the grade of described channel correspondence be T grade one of them, the quantity Channel Elements that different brackets is corresponding different, wherein, M, h, T are positive integer;

Further, the grade of described channel correspondence is indicated by signaling, and perhaps, the grade of described channel correspondence is the predefine value;

For example: define 4 kinds of grades, respectively corresponding 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss, perhaps, define 4 kinds of grades, respectively corresponding 1 Channel Elements, 2 Channel Elementss, 3 Channel Elementss, 4 Channel Elementss, perhaps, define 5 kinds of grades, respectively corresponding 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss, 16 Channel Elementss etc.; Can be by the grade of signaling configurating terminal 1,2,4}, or, 2,4,8}, can also be by the grade of signaling configurating terminal 1,2}, or, { 4,8}; Grade that also can the fixed configurations terminal is { 1,2,4,8} etc.;

1 Physical Resource Block is to comprising h Channel Elements, h value preferably 1,2,3,4, for example: be 4 when the Cyclic Prefix of subframe is the regular circulation prefix, the Cyclic Prefix of subframe is 2 when being extended cyclic prefix, perhaps, h is fixed as 2, perhaps, be 3 when the Cyclic Prefix of subframe is the regular circulation prefix, be 2 etc. when the Cyclic Prefix of subframe is extended cyclic prefix;

Further, X grade is fixing mapped mode in the described T grade, remains grade and disposes mapped mode by signaling, and wherein, X is more than or equal to 0 and smaller or equal to T;

For example:

X is 0, and corresponding 1 bit of each grade by the mapped mode of each grade of T bit separate configurations, namely is Continuous Mappings, or Discrete Mapping;

Perhaps,

X is 0, defines 4 kinds of grades, respectively corresponding 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss; Dispose the mapped mode of each grade correspondence by signaling, the mapped mode of signaling indication comprises following one of at least combination:

1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss are Continuous Mappings, and 8 Channel Elementss are Discrete Mapping;

1 Channel Elements is Continuous Mappings, and 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss are Discrete Mapping;

1 Channel Elements and 2 Channel Elementss are Continuous Mappings, and 4 Channel Elementss and 8 Channel Elementss are Discrete Mapping;

1 Channel Elements and 2 Channel Elementss, 4 Channel Elementss are Continuous Mappings, and 8 Channel Elementss are Discrete Mapping;

1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss are Continuous Mappings, and 8 Channel Elementss are Continuous Mappings;

Perhaps,

X is that 1,1 grade (such as, grade 1, corresponding 1 Channel Elements) is fixed as Continuous Mappings, and each grade correspondence 1 bit of other T-1 grade by the mapped mode of each grade of T-1 bit separate configurations, namely is Continuous Mappings, or Discrete Mapping;

Perhaps, described X is 0, and described T grade adopts identical mapped mode, disposed the mapped mode of a described T grade by signaling.

Further, to will carry the Resource Unit divide resource unit group of described channel according to the time domain OFDM symbol, 1 resource unit group comprises z Resource Unit, and described resource unit group is divided into Channel Elements with described Physical Resource Block, wherein,

1 Physical Resource Block takies different resource unit group to h Channel Elements of correspondence;

Perhaps,

Z equals h, and 1 Physical Resource Block is multiplexing on same asset by sign indicating number branch mode to h Channel Elements of correspondence, 1 Channel Elements corresponding 1 spreading code that length is z on 1 resource unit group;

Perhaps,

Z equals

1 Physical Resource Block is to h Channel Elements of correspondence, and wherein, h is even number, is divided into two groups,

Individual Channel Elements is 1 group, Channel Elements corresponding in the group is multiplexing on same asset by sign indicating number branch mode, 1 Channel Elements corresponding 1 spreading code that length is z on 1 resource unit group, with the different spreading code of correspondence on the same resource units group of Channel Elements in 1 group, Channel Elements on the same group is not positioned on the different resources, corresponding different resource unit group; Expression rounds downwards.

1 Physical Resource Block comprises the frequency division multiplexing mode, as shown in Figure 5 to being divided into the method for h Channel Elements, the time-frequency multiplex mode, as shown in Figure 6,1 Physical Resource Block of hypothesis is to being divided into 4 Channel Elementss among Fig. 5 and Fig. 6, and Fig. 5 and Fig. 6 are existing multiplex mode.

The specific code that the present invention mentions divides multiplexing method, and is as follows:

Use 1

Suppose that 1 Physical Resource Block is to being divided into 4 Channel Elementss, with described Physical Resource Block to will carry the Resource Unit divide resource unit group of described channel according to the time domain OFDM symbol, 1 resource unit group comprises 4 Resource Units, 1 corresponding 4 rank wash spreading code of resource unit group, as Fig. 7 (a), shown in Fig. 7 (b), 1 Channel Elements corresponding 1 spreading code on 1 resource unit group, corresponding spreading code can be identical on different resource unit group for 1 Channel Elements, also can be different;

The data message of 1 channel of each resource unit group mapping expands to the data message of 4 channels with the data message of 1 channel according to corresponding spreading code, then, is mapped on the resource unit group; Described channel data information is coded bit or modulation symbol.

Use 2

Suppose that 1 Physical Resource Block is to being divided into 2 Channel Elementss, with described Physical Resource Block to will carry the Resource Unit divide resource unit group of described channel according to the time domain OFDM symbol, 1 resource unit group comprises 2 Resource Units, 1 corresponding 2 rank wash spreading code of resource unit group, as Fig. 8 (a), shown in Fig. 8 (b), 1 Channel Elements corresponding 1 spreading code on 1 resource unit group, corresponding spreading code can be identical on different resource unit group for 1 Channel Elements, also can be different;

The data message of 1 channel of each resource unit group mapping expands to the data message of 2 channels with the data message of 1 channel according to corresponding spreading code, then, is mapped on the resource unit group; Described channel data information is coded bit or modulation symbol.

Use 3

Suppose that 1 Physical Resource Block is to being divided into 4 Channel Elementss, with described Physical Resource Block to will carry the Resource Unit divide resource unit group of described channel according to the time domain OFDM symbol, 1 resource unit group comprises 2 Resource Units, 1 corresponding 2 rank wash spreading code of resource unit group, as Fig. 8 (a), shown in Fig. 8 (b), with described Physical Resource Block to last all resource unit group according to time domain OFDM notation index serial number, described Physical Resource Block is divided into two groups to last numbering back resource unit group, every group of corresponding 2 Channel Elementss, 2 Channel Elementss in the group pass through 2 rank spreading code code division multiplexings on the same resource units group;

1 Channel Elements corresponding 1 spreading code on 1 resource unit group, corresponding spreading code can be identical on different resource unit group for 1 Channel Elements, also can be different;

The data message of 1 channel of each resource unit group mapping expands to the data message of 2 channels with the data message of 1 channel according to corresponding spreading code, then, is mapped on the resource unit group; Described channel data information is coded bit or modulation symbol.

Described code division multiplexing mode is mainly used in single antenna port transmission pattern;

When transmission mode is antenna transmit diversity pattern or single antenna port transmission pattern, with described Physical Resource Block to will carry the Resource Unit divide resource unit group of described channel according to the time domain OFDM symbol, 1 resource unit group comprises z Resource Unit, described Physical Resource Block is numbered (time domain behind the first frequency domain to last all resource unit group according to the time domain OFDM notation index, or, time domain behind elder generation's frequency domain), described Physical Resource Block is divided into the h group to last all resource unit group, every group of corresponding 1 Channel Elements, h Channel Elements takies different resource unit group, z can be for 2 or 4 (not getting rid of other value), and 1 Channel Elements comprises 18 or 9 resource unit group (not getting rid of other value); Physical Resource Block described herein is right to being a described N Physical Resource Block, perhaps, below a described Y Physical Resource Block right, perhaps, below a described Z Physical Resource Block right, perhaps, (or Y, Z) 1 Physical Resource Block in is right for described N.

Further, when described predefined pattern is the Discrete Mapping pattern, described channel is mapped on the discrete channel of the g unit, 1 pair of discrete channel unit maps to 2 different Physical Resource Block is to last, 1 corresponding 1 Physical Resource Block in discrete channel unit is right, wherein, 1 discrete channel unit is to comprising 2 Channel Elementss;

Just, described M is even number, and 2 continuous Channel Elementss are 1 group of division, and per 1 group of interior 2 Channel Elements are mapped to 2 different Physical Resource Block to last, and 1 corresponding 1 Physical Resource Block of Channel Elements is right;

Further, with the Channel Elements numbering of 1 Physical Resource Block to comprising, be divided into k Channel Elements group, the Channel Elements that each Channel Elements group comprises is different, and preceding k-1 Channel Elements group comprises for every group

Individual Channel Elements, the residue Channel Elements is k Channel Elements group, described discrete channel unit is on the same channel unit group that is mapped to described Physical Resource Block;

Further, when described discrete channel unit comprises 2 Channel Elementss to the Channel Elements group that is mapped to, on the 1st Channel Elements of the destination channel unit group that 1 Physical Resource Block of 1 discrete channel unit maps is right, on the 2nd Channel Elements of the destination channel unit group that another another Physical Resource Block of discrete channel unit maps is right;

Further, described discrete channel unit to index q corresponding to discrete virtual resource blocks index q, discrete virtual resource blocks q corresponding physical Resource Block is right to the Physical Resource Block at place to being described discrete channel unit, the 1st discrete virtual resource blocks q of Channel Elements mapping of described discrete channel cell pairs is on the 1st Channel Elements of the right destination channel unit group of the 1st time slot corresponding physical Resource Block of subframe, and the 2nd discrete virtual resource blocks q of Channel Elements mapping of described discrete channel cell pairs is on the 2nd Channel Elements of the right destination channel unit group of the 2nd time slot corresponding physical Resource Block of subframe;

Further, when k greater than 1 the time, described discrete channel unit is disposed by signaling the destination channel unit group index at place;

Base unit is 2 Channel Elementss during Discrete Mapping, it is right to be called Channel Elements, the Channel Elements of being useful on Discrete Mapping is right to being defined as the discrete channel unit, to all discrete channel unit to being numbered, 1 discrete channel unit is to being mapped to 2 different Physical Resource Block to last, and 1 corresponding 1 Physical Resource Block in discrete channel unit is right.

Concrete application 4

1 Physical Resource Block is to comprising 4 Channel Elementss, number for Channel Elements, 1 Physical Resource Block is to comprising 2 Channel Elements groups, and each Channel Elements group comprises 2 Channel Elementss, with described discrete channel unit on the same channel unit group that is mapped to described Physical Resource Block; Described discrete channel unit to index q corresponding to discrete virtual resource blocks index q, discrete virtual resource blocks q corresponding physical Resource Block is right to the Physical Resource Block at place to being described discrete channel unit, the 1st discrete virtual resource blocks q of Channel Elements mapping of described discrete channel cell pairs is on the 1st Channel Elements of the right destination channel unit group of the 1st time slot corresponding physical Resource Block of subframe, and the 2nd discrete virtual resource blocks q of Channel Elements mapping of described discrete channel cell pairs is on the 2nd Channel Elements of the right destination channel unit group of the 2nd time slot corresponding physical Resource Block of subframe; Described channel is mapped on the continuous discrete channel unit.

1 Physical Resource Block is to comprising 2 Channel Elementss, number for Channel Elements, described discrete channel unit to index q corresponding to discrete virtual resource blocks index q, discrete virtual resource blocks q corresponding physical Resource Block is right to the Physical Resource Block at place to being described discrete channel unit, the discrete virtual resource blocks q of the 1st Channel Elements of described discrete channel cell pairs mapping on the 1st right Channel Elements of the 1st time slot corresponding physical Resource Block of subframe, the 2nd discrete virtual resource blocks q of Channel Elements mapping of described discrete channel cell pairs the 2nd time slot corresponding physical Resource Block of subframe to the 2nd Channel Elements on; Described channel is mapped on the continuous discrete channel unit.

Suppose, system's available physical resources piece is to being 50, for the Physical Resource Block of 2 time slots of 1 subframe respectively from 0 open numbering, discrete virtual resource blocks corresponds respectively to the Physical Resource Block #0 of the 1st time slot and the Physical Resource Block #9 of the 2nd time slot to two discrete virtual resource blocks of index #0 correspondence, discrete virtual resource blocks corresponds respectively to the Physical Resource Block #6 of the 1st time slot and the Physical Resource Block #15 of the 2nd time slot to two discrete virtual resource blocks of index #1 correspondence, discrete virtual resource blocks corresponds respectively to the Physical Resource Block #9 of the 1st time slot and the Physical Resource Block #0 of the 2nd time slot to two discrete virtual resource blocks of index #2 correspondence, discrete virtual resource blocks corresponds respectively to the Physical Resource Block #15 of the 1st time slot and the Physical Resource Block #6 of the 2nd time slot to two discrete virtual resource blocks of index #3 correspondence, then

When 1 Physical Resource Block when comprising 4 Channel Elementss, Physical Resource Block is to #0, #6, #9, corresponding 8 the discrete Channel Elementss of #15 are right, wherein, preceding 4 discrete Channel Elementss are to (#0, #1, #2, #3) be positioned at Physical Resource Block to #0, #6, #9, in the 1st the Channel Elements group of #15, discrete Channel Elements to the 1st the discrete channel unit of #0 corresponding to Physical Resource Block to the 1st Channel Elements in the 1st the Channel Elements group of #0, discrete Channel Elements to the 2nd the discrete channel unit of #0 corresponding to Physical Resource Block to the 2nd Channel Elements in the 1st the Channel Elements group of #9, discrete Channel Elements to the 1st the discrete channel unit of #1 corresponding to Physical Resource Block to the 1st Channel Elements in the 1st the Channel Elements group of #6, discrete Channel Elements to the 2nd the discrete channel unit of #1 corresponding to Physical Resource Block to the 2nd Channel Elements in the 1st the Channel Elements group of #15, discrete Channel Elements to the 1st the discrete channel unit of #2 corresponding to Physical Resource Block to the 1st Channel Elements in the 1st the Channel Elements group of #9, discrete Channel Elements to the 2nd the discrete channel unit of #2 corresponding to Physical Resource Block to the 2nd Channel Elements in the 1st the Channel Elements group of #0, discrete Channel Elements to the 1st the discrete channel unit of #3 corresponding to Physical Resource Block to the 1st Channel Elements in the 1st the Channel Elements group of #15, discrete Channel Elements to the 2nd the discrete channel unit of #3 corresponding to Physical Resource Block to the 2nd Channel Elements in the 1st the Channel Elements group of #6, back 4 discrete Channel Elementss are to (#0, #1, #2, #3) be positioned at Physical Resource Block to #0, #6, #9, in the 2nd the Channel Elements group of #15;

When 1 Physical Resource Block when comprising 2 Channel Elementss, Physical Resource Block to #0, #6, corresponding 4 the discrete Channel Elementss of #9, #15 to #0, #1, #2, #3;

With described Physical Resource Block to will carry the Resource Unit divide resource unit group of described channel according to the time domain OFDM symbol, 1 resource unit group comprises z Resource Unit, described Physical Resource Block is numbered (time domain behind the first frequency domain to last all resource unit group according to the time domain OFDM notation index, or, time domain behind elder generation's frequency domain), described Physical Resource Block is divided into the h group to last all resource unit group, every group of corresponding 1 Channel Elements, z is 2,1 Channel Elements comprises 18, perhaps, z is that 4,1 Channel Elementss comprise 9 resource unit group; With all Channel Elements numberings, 2 Channel Elementss are right as 1 Channel Elements, each Channel Elements is to comprising different Channel Elementss, the right index of described Channel Elements is corresponding to index with described discrete virtual resource blocks, and the 1st Channel Elements that described Channel Elements is right and the 2nd Channel Elements are corresponding to right the 1st the time slot Physical Resource Block of described discrete virtual resource blocks and the Physical Resource Block of the 2nd time slot.

Suppose that to be divided into 2*R Channel Elements according to resource unit group, from 0 open numbering Channel Elements, it is right to be divided into R Channel Elements again, right from 0 open numbering Channel Elements with described Physical Resource Block;

When R is 50, discrete Channel Elements to the 1st the discrete channel unit of #0 corresponding to 1st Channel Elements (Channel Elements #0) of Channel Elements to #0, discrete Channel Elements to the 2nd the discrete channel unit of #0 corresponding to 2nd Channel Elements (Channel Elements #17) of Channel Elements to #9, discrete Channel Elements to the 1st the discrete channel unit of #1 corresponding to 1st Channel Elements (Channel Elements #10) of Channel Elements to #6, discrete Channel Elements to the 2nd the discrete channel unit of #1 corresponding to 2nd Channel Elements (Channel Elements #29) of Channel Elements to #15, discrete Channel Elements to the 1st the discrete channel unit of #2 corresponding to 1st Channel Elements (Channel Elements #16) of Channel Elements to #9, discrete Channel Elements to the 2nd the discrete channel unit of #2 corresponding to 2nd Channel Elements (Channel Elements #1) of Channel Elements to #0, discrete Channel Elements to the 1st the discrete channel unit of #3 corresponding to 1st Channel Elements (Channel Elements #28) of Channel Elements to #15, discrete Channel Elements to the 2nd the discrete channel unit of #3 corresponding to 2nd Channel Elements (Channel Elements #11) of Channel Elements to #6.

Concrete application 5

Described Physical Resource Block to being divided into resource unit group, is interweaved resource unit group again, and the resource unit group after will interweave deinterleaving methods such as (advance) listing is divided into discrete Channel Elements;

Further, the Physical Resource Block pair set of described channel is detected in the base station by the signaling configuration UE, it is right to select to obtain a described N Physical Resource Block in described Physical Resource Block pair set, at the frequency domain bandwidth transmission described channel of a described N Physical Resource Block to the place, preferably, the N value is 1,2 or 4,8;

Further, when described predefined pattern was the Continuous Mappings pattern, described channel was mapped to N continuous physical resource piece to last;

Further, when h was 4, k was 2, and when h was 2, k was 1, and when h was 1, k was 1;

Concrete application 6

Mapped mode is Continuous Mappings, 1 Physical Resource Block is to comprising 2 Channel Elementss, when channel grade is 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss, with Physical Resource Block to being that unit is mapped in a N continuous Physical Resource Block to the described channel of last mapping; When channel grade was 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss, channel shone upon as shown in Figure 9.

Concrete application 7

Mapped mode is Continuous Mappings, 1 Physical Resource Block is to comprising 4 Channel Elementss, number for Channel Elements, 1 Physical Resource Block is to comprising 2 Channel Elements groups, every Channel Elements group comprises 2 Channel Elementss, when channel grade is 4 Channel Elementss, 8 Channel Elementss, with Physical Resource Block to being unit at a N continuous Physical Resource Block to the described channel of mapping; When channel grade is 2 Channel Elementss, be unit at 1 Physical Resource Block to the described channel of mapping with the Channel Elements group; When channel grade was 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss, channel shone upon as shown in figure 10.

The embodiment of the invention also provides a kind of channel detection method, comprising:

Terminal according to Z Physical Resource Block of Y Physical Resource Block centering of the detection channel of base station signaling configuration to last, detect described channel according to predefined mapped mode, concrete, two time slots in subframe detect described channel, described predefined pattern comprises mapped mode and/or the transmission mode of described channel, described mapped mode comprises Continuous Mappings pattern and Discrete Mapping pattern, described transmission mode comprises diversity mode and/or single antenna port transmission pattern, described channel comprises the enhanced physical down control channel, wherein, described channel is mapped to N Physical Resource Block to last, Z is more than or equal to N and smaller or equal to Y, N is positive integer, and Y is positive integer, and Z is positive integer;

Further, the resource units of described channel correspondence is Channel Elements, and described channel bearing is on M Channel Elements, and 1 Physical Resource Block is to comprising h Channel Elements, corresponding T the grade of described channel, the quantity Channel Elements that different brackets is corresponding different, wherein, M, h, T are positive integer;

Further, with described T grade grouping, the Physical Resource Block of the Channel Detection of same group of interior grade correspondence is to identical.

The group technology of described T grade grouping is comprised at least one of following:

The channel grade that comprises 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss is one group;

Perhaps,

The channel grade that comprises 1 Channel Elements, 2 Channel Elementss is one group, and the channel grade that comprises 4 Channel Elementss, 8 Channel Elementss is one group;

Perhaps,

The channel grade that comprises 1 Channel Elements is one group, and comprising 2 Channel Elements channel grades is one group, and the channel grade that comprises 4 Channel Elementss is one group, and comprising 8 Channel Elements channel grades is one group;

Perhaps,

The channel grade that comprises 1 Channel Elements is one group, and the channel grade that comprises 2 Channel Elementss is one group, and the channel grade that comprises 4 Channel Elementss is one group with the channel grade that comprises 8 Channel Elementss;

Perhaps,

The channel grade that comprises 1 Channel Elements is one group, and comprising the channel grade of 2 Channel Elementss, the channel grade that comprises 4 Channel Elementss, the channel grade that comprises 8 Channel Elementss is one group.

Further, described terminal is determined mapped mode and the transmission mode of described channel according to signaling and/or described grade;

Further, as Y during greater than Z, terminal selects described Z Physical Resource Block to be detected right in each subframe from described Y Physical Resource Block centering.

Concrete application 8

As Y during greater than Z, each subframe selects Z continuous physical Resource Block that (continuous discrete virtual resource blocks corresponding physical Resource Block to) detected from described Y Physical Resource Block centering at random; Perhaps, order begin from the predefine position select Z continuous physical Resource Block (continuous discrete virtual resource blocks corresponding physical Resource Block to) to detect successively.

Concrete application 9

When Y equals Z, each subframe at Y Physical Resource Block to detecting described channel.

Further, described detection number of times distribute comprise following one of at least:

When terminal when only detection level is 1 Channel Elements, 2 Channel Elementss, 1 Channel Elements detects 8 times, and 2 Channel Elementss detect 8 times;

When terminal when only detection level is 4 Channel Elementss, 8 Channel Elementss, 4 Channel Elementss detect 8 times, and 8 Channel Elementss detect 8 times;

When terminal when only detection level is 4 Channel Elementss, 8 Channel Elementss, 4 Channel Elementss detect 8 times, and 8 Channel Elementss detect 4 times;

When terminal when only detection level is 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss, 1 Channel Elements detects 8 times, and 2 Channel Elementss detect 4 times, and 4 Channel Elementss detect 4 times;

When terminal when only detection level is 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss, 2 Channel Elementss detect 8 times, and 4 Channel Elementss detect 4 times, and 8 Channel Elementss detect 4 times;

When terminal when only detection level is 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss, 2 Channel Elementss detect 8 times, and 4 Channel Elementss detect 4 times, and 8 Channel Elementss detect 2 times;

When terminal when only detection level is 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss, 1 Channel Elements detects 8 times, and 2 Channel Elementss detect 4 times, and 4 Channel Elementss detect 2 times, and 8 Channel Elementss detect 2 times;

When terminal when only detection level is 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss, 1 Channel Elements detects 4 times, and 2 Channel Elementss detect 8 times, and 4 Channel Elementss detect 2 times, and 8 Channel Elementss detect 2 times;

When terminal when only detection level is 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss, 1 Channel Elements detects 8 times, and 2 Channel Elementss detect 4 times, and 4 Channel Elementss detect 2 times, and 8 Channel Elementss detect 1 time;

When terminal when only detection level is 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss, 1 Channel Elements detects 4 times, and 2 Channel Elementss detect 8 times, and 4 Channel Elementss detect 2 times, and 8 Channel Elementss detect 1 time;

Further, when described mapped mode was Continuous Mappings, terminal detected described channel according to described grade at a described Z Physical Resource Block on to the Channel Elements of correspondence.

Wherein, when 1 Physical Resource Block when comprising 4 Channel Elementss, it is one of following that detection principle comprises at least:

Be the channel of 1 Channel Elements for grade, detect the Channel Elements in 1 right Channel Elements group of each Physical Resource Block, each Physical Resource Block is identical to the Channel Elements group index of last detection;

Being the channel of 2 Channel Elementss for grade, is unit with the Channel Elements group, and each Physical Resource Block is identical to the Channel Elements group of last detection;

Grade is the Channel Elements group that detects of 2 Channel Elementss with grade is that the Channel Elements group of 1 Channel Elements detection is identical;

Be the channel of 4 Channel Elementss for grade, to being unit, it is right to each last Physical Resource Block to detect a described Z Physical Resource Block with Physical Resource Block;

Be the channel of 4 Channel Elementss for grade, with Physical Resource Block to being unit, to be that the Channel Elements group that detects of 1 Channel Elements detects the Physical Resource Block that described Physical Resource Block centering is numbered odd number during for odd number right when the terminal detection level, and it is right that the grade that detects when terminal is that the Channel Elements group that detects of 1 Channel Elements detects the Physical Resource Block that described Physical Resource Block centering is numbered even number during for even number;

Be the channel of 8 Channel Elementss for grade, to being unit, to sequence detection, each Physical Resource Block that detects is not to overlapping to a described Z Physical Resource Block with continuous 2 Physical Resource Block.

Wherein, when 1 Physical Resource Block when comprising 2 Channel Elementss, detection principle comprise following one of at least:

Be the channel of 1 Channel Elements for grade, detect all right Channel Elementss of each Physical Resource Block;

Be the channel of 2 Channel Elementss for grade, with Physical Resource Block to being that unit detects;

Be the channel of 4 Channel Elementss for grade, to being unit, to sequence detection, each Physical Resource Block that detects is not to overlapping to a described Z Physical Resource Block with continuous 2 Physical Resource Block;

Be the channel of 8 Channel Elementss for grade, to being unit, to sequence detection, each Physical Resource Block that detects is not to overlapping to a described Z Physical Resource Block with continuous 4 Physical Resource Block.

When mapped mode was Continuous Mappings, it was as follows specifically to detect Application Example:

Concrete application 10

Z is 4,1 Physical Resource Block is to comprising 4 Channel Elementss, number for Channel Elements, 1 Physical Resource Block is to comprising 2 Channel Elements groups, each Channel Elements group comprises 2 Channel Elementss, when the grade of configurating terminal detection only is 1 Channel Elements and 2 Channel Elementss, be the channel of 1 Channel Elements for grade, detect the Channel Elements in 1 right Channel Elements group of each Physical Resource Block, each Physical Resource Block is identical to the Channel Elements group index of last detection, detect the channel that 8 suborders are 1 Channel Elements altogether, being the channel of 2 Channel Elementss for grade, is unit with the Channel Elements group, and described Physical Resource Block is detected last Channel Elements group, detect altogether 8 times, always detecting number of times is 16 times.

Concrete application 11

Z is 8,1 Physical Resource Block is to comprising 4 Channel Elementss, when the grade of configurating terminal detection only is 4 Channel Elementss and 8 Channel Elementss, be the channel of 4 Channel Elementss for grade, with Physical Resource Block to being unit, it is right to detect all Physical Resource Block, detect altogether 8 times, be the channel of 8 Channel Elementss for grade, to being unit, to described Physical Resource Block sequence detection, each Physical Resource Block that detects is not to overlapping with continuous 2 Physical Resource Block, detect altogether 4 times, always detecting number of times is 12 times.

Concrete application 12

Z is 4,1 Physical Resource Block is to comprising 4 Channel Elementss, number for Channel Elements, 1 Physical Resource Block is to comprising 2 Channel Elements groups, every Channel Elements group comprises 2 Channel Elementss, when the grade that detects when configurating terminal only is 1 Channel Elements and 2 Channel Elementss, 4 Channel Elementss, be the channel of 1 Channel Elements for grade, detect the Channel Elements in 1 right Channel Elements group of each Physical Resource Block, each Physical Resource Block is identical to the Channel Elements group index of last detection, detects the channel that 8 suborders are 1 Channel Elements altogether; Be the channel of 2 Channel Elementss for grade, be unit with the Channel Elements group, each Physical Resource Block is to 1 Channel Elements group of last detection, each Physical Resource Block is identical to the Channel Elements group of last detection, grade is the Channel Elements group that detects of 2 Channel Elementss with grade is that the Channel Elements group of 1 Channel Elements detection is identical, detects altogether 4 times; Be the channel of 4 Channel Elementss for grade, to being unit, it is right to detect all Physical Resource Block with Physical Resource Block, detects 4 times, and always detecting number of times is 16 times.

Concrete application 13

Z is 4,1 Physical Resource Block is to comprising 4 Channel Elementss, number for Channel Elements, 1 Physical Resource Block is to comprising 2 Channel Elements groups, every Channel Elements group comprises 2 Channel Elementss, the grade that detects when configurating terminal only is 2 Channel Elementss and 4 Channel Elementss, during 8 Channel Elementss, being the channel of 2 Channel Elementss for grade, is unit with the Channel Elements group, detect all Physical Resource Block to last Channel Elements group, detecting altogether 8 times, is the channel of 4 Channel Elementss for grade, with Physical Resource Block to being unit, it is right to detect all Physical Resource Block, detecting 4 times, is the channel of 8 Channel Elementss for grade, with continuous 2 Physical Resource Block to being unit, to described Physical Resource Block sequence detection, each Physical Resource Block that detects detects 2 times altogether to not overlapping, and always detecting number of times is 14 times.

Concrete application 14

Z is 4, to described Physical Resource Block to serial number, 1 Physical Resource Block is to comprising 4 Channel Elementss, number for Channel Elements, 1 Physical Resource Block is to comprising 2 Channel Elements groups, every Channel Elements group comprises 2 Channel Elementss, the grade that detects when configurating terminal only is 1 Channel Elements and 2 Channel Elementss, 4 Channel Elementss, during 8 Channel Elementss, be the channel of 1 Channel Elements for grade, detect the Channel Elements in 1 right Channel Elements group of each Physical Resource Block, each Physical Resource Block is identical to the Channel Elements group index of last detection, detect altogether 8 times, be the channel of 2 Channel Elementss for grade, be unit with the Channel Elements group, each Physical Resource Block is to 1 Channel Elements group of last detection, each Physical Resource Block is identical to the Channel Elements group of last detection, grade is the Channel Elements group that detects of 2 Channel Elementss with grade is that the Channel Elements group of 1 Channel Elements detection is identical, detect altogether 4 times, be the channel of 4 Channel Elementss for grade, with Physical Resource Block to being unit, the Physical Resource Block that detects when terminal detects the Physical Resource Block that described Physical Resource Block centering is numbered odd number during for odd number to last Channel Elements group right, the Physical Resource Block that detects when terminal detects the Physical Resource Block that described Physical Resource Block centering is numbered even number during for even number to last Channel Elements group right, detect 2 times, be the channel of 8 Channel Elementss for grade, with continuous 2 Physical Resource Block to being that unit detects, at described Physical Resource Block 2 Physical Resource Block of going forward are detected 1 time, 2 Physical Resource Block in back detect 1 time, and always detecting number of times is 16 times.

Concrete application 15

Z is 2, to described Physical Resource Block to serial number, 1 Physical Resource Block is to comprising 4 Channel Elementss, number for Channel Elements, 1 Physical Resource Block is to comprising 2 Channel Elements groups, every Channel Elements group comprises 2 Channel Elementss, the grade that detects when configurating terminal only is 1 Channel Elements and 2 Channel Elementss, 4 Channel Elementss, during 8 Channel Elementss, be the channel of 1 Channel Elements for grade, detect the right all Channel Elementss of described Physical Resource Block, detect altogether 8 times, be the channel of 2 Channel Elementss for grade, be unit with the Channel Elements group, detect the right all Channel Elements groups of described Physical Resource Block, detect altogether 4 times, be the channel of 4 Channel Elementss for grade, to being unit, it is right to detect described Physical Resource Block with Physical Resource Block, detects 2 times, be the channel of 8 Channel Elementss for grade,, detect altogether 1 time being that unit detects with continuous 2 Physical Resource Block, always detecting number of times is 15 times.

Concrete application 16

Z is 8,1 Physical Resource Block is to comprising 2 Channel Elementss, number for Channel Elements, when the grade of configurating terminal detection only is 1 Channel Elements and 2 Channel Elementss, be the channel of 1 Channel Elements for grade, detect 1 Channel Elements of each Physical Resource Block centering, each Physical Resource Block is identical to the Channel Elements index of last detection, detecting 8 times altogether is the channel of 2 Channel Elementss for grade, with Physical Resource Block to being unit, it is right to detect all described Physical Resource Block, detects altogether 8 times, and always detecting number of times is 16 times.

Concrete application 17

Z is 4,1 Physical Resource Block is to comprising 2 Channel Elementss, number for Channel Elements, the grade that detects when configurating terminal only is 1 Channel Elements, when 2 Channel Elementss and 4 Channel Elementss, be the channel of 1 Channel Elements for grade, detect the Channel Elements of all Physical Resource Block to comprising, detect altogether 8 times, be the channel of 2 Channel Elementss for grade, to being unit, it is right to detect described each Physical Resource Block with Physical Resource Block, detects altogether 4 times, be the channel of 4 Channel Elementss for grade, to being that unit detects, each physical resource that detects is not to overlapping with continuous 2 Physical Resource Block, and it is right to detect all Physical Resource Block, detect 2 times, always detecting number of times is 14 times.

Concrete application 18

Z is 8,1 Physical Resource Block is to comprising 2 Channel Elementss, number for Channel Elements, the grade that detects when configurating terminal only is 2 Channel Elementss and 4 Channel Elementss, during 8 Channel Elementss, be the channel of 2 Channel Elementss for grade,, to being unit, it is right to detect described each Physical Resource Block with Physical Resource Block, detect altogether 8 times, be the channel of 4 Channel Elementss for grade, to being that unit detects, each physical resource that detects is not to overlapping with continuous 2 Physical Resource Block, it is right to detect all Physical Resource Block, detecting 4 times, is the channel of 8 Channel Elementss for grade, with continuous 4 Physical Resource Block to being unit, to described Physical Resource Block sequence detection, each Physical Resource Block that detects detects 2 times altogether to not overlapping, and always detecting number of times is 14 times.

Concrete application 19

Z is 4, to described Physical Resource Block to serial number, 1 Physical Resource Block is to comprising 2 Channel Elementss, number for Channel Elements, the grade that detects when configurating terminal only is 1 Channel Elements and 2 Channel Elementss, 4 Channel Elementss, during 8 Channel Elementss, be the channel of 1 Channel Elements for grade, detect 1 Channel Elements of each Physical Resource Block centering, each Physical Resource Block is identical to the Channel Elements index of last detection, detects altogether 8 times, and be the channel of 2 Channel Elementss for grade, with Physical Resource Block to being unit, it is right to detect all described Physical Resource Block, detect altogether 4 times, and be the channel of 4 Channel Elementss for grade, with continuous 2 Physical Resource Block to being that unit detects, each physical resource that detects is not to overlapping, and it is right to detect all Physical Resource Block, detects 2 times, be the channel of 8 Channel Elementss for grade,, detect altogether 1 time being unit with continuous 4 Physical Resource Block, always detecting number of times is 15 times.

Concrete application 20

Z is 2, to described Physical Resource Block to serial number, 1 Physical Resource Block is to comprising 4 Channel Elementss, number for Channel Elements, 1 Physical Resource Block is to comprising 2 Channel Elements groups, every Channel Elements group comprises 2 Channel Elementss, when the grade of configurating terminal detection only is 1 Channel Elements and 2 Channel Elementss, be the channel of 1 Channel Elements for grade, detect the right all Channel Elementss of described Physical Resource Block, detect altogether 8 times, being the channel of 2 Channel Elementss for grade, is unit with the Channel Elements group, detects the right all Channel Elements groups of described Physical Resource Block, detect altogether 4 times, always detecting number of times is 12 times.

Concrete application 21

Z is 2, to described Physical Resource Block to serial number, 1 Physical Resource Block is to comprising 4 Channel Elementss, and for the Channel Elements numbering, 1 Physical Resource Block is to comprising 2 Channel Elements groups, every Channel Elements group comprises 2 Channel Elementss, when the grade of configurating terminal detection only is 1 Channel Elements, be the channel of 1 Channel Elements for grade, detect the right all Channel Elementss of described Physical Resource Block, detect altogether 8 times, always detecting number of times is 8 times.

Concrete application 22

Z is 2,1 Physical Resource Block is to comprising 2 Channel Elementss, for the Channel Elements numbering, when the grade of configurating terminal detection only is 1 Channel Elements and 2 Channel Elementss, be the channel of 1 Channel Elements for grade, detecting the Channel Elements of all Physical Resource Block to comprising, detect altogether 4 times, is the channel of 2 Channel Elementss for grade, with Physical Resource Block to being unit, it is right to detect described each Physical Resource Block, detects altogether 2 times, and always detecting number of times is 6 times.

Concrete application 23

Z is 2,1 Physical Resource Block is to comprising 2 Channel Elementss, number for Channel Elements, when the grade of configurating terminal detection only is 1 Channel Elements, be the channel of 1 Channel Elements for grade, detect the Channel Elements of all Physical Resource Block to comprising, detect altogether 4 times, always detecting number of times is 4 times.

Concrete application 24

Z is 4,1 Physical Resource Block is to comprising 2 Channel Elementss, number for Channel Elements, when the grade of configurating terminal detection only is 1 Channel Elements, be the channel of 1 Channel Elements for grade, detect the Channel Elements of all Physical Resource Block to comprising, each Physical Resource Block is to only detecting 1 time, detect altogether 4 times, always detecting number of times is 4 times.

Concrete application 25

Z is 4,1 Physical Resource Block is to comprising 2 Channel Elementss, number for Channel Elements, when the grade of configurating terminal detection only is 1 Channel Elements, be the channel of 1 Channel Elements for grade, detect the Channel Elements of all Physical Resource Block to comprising, detect altogether 8 times, always detecting number of times is 8 times.

Concrete application 26

Z is 4,1 Physical Resource Block is to comprising 2 Channel Elementss, for the Channel Elements numbering, when the grade of configurating terminal detection only is 1 Channel Elements and 2 Channel Elementss, be the channel of 1 Channel Elements for grade, detecting the Channel Elements of all Physical Resource Block to comprising, detect altogether 8 times, is the channel of 2 Channel Elementss for grade, with Physical Resource Block to being unit, it is right to detect described each Physical Resource Block, detects altogether 4 times, and always detecting number of times is 12 times.

Concrete application 27

Z is 2, to described Physical Resource Block to serial number, 1 Physical Resource Block is to comprising 4 Channel Elementss, number for Channel Elements, 1 Physical Resource Block is to comprising 2 Channel Elements groups, every Channel Elements group comprises 2 Channel Elementss, when the grade of configurating terminal detection only is 1 Channel Elements and 2 Channel Elementss, be the channel of 1 Channel Elements for grade, detect the Channel Elements in 1 right Channel Elements group of each Physical Resource Block, each Physical Resource Block is identical to the Channel Elements group index of last detection, detect altogether 4 times, being the channel of 2 Channel Elementss for grade, is unit with the Channel Elements group, and each Physical Resource Block is to 1 Channel Elements group of last detection, each Physical Resource Block is identical to the Channel Elements group of last detection, grade is the Channel Elements group that detects of 2 Channel Elementss with grade is that the Channel Elements group of 1 Channel Elements detection is identical, detects altogether 2 times, and always detecting number of times is 6 times.

Further, when described mapped mode was Discrete Mapping, terminal to being mapped as the discrete channel unit, detected described channel according to described grade with a described Z Physical Resource Block on described discrete channel unit; Detection principle comprise following one of at least:

When 1 Physical Resource Block when comprising 4 Channel Elementss, be the channel of 2 Channel Elementss for grade, detect discrete channel unit corresponding in 1 right Channel Elements group of a described Z Physical Resource Block, each Physical Resource Block is identical to the Channel Elements group index of last detection, be unit with continuous 2 discrete channel unit, each discrete channel unit index that detects is not overlapping;

When 1 Physical Resource Block when comprising 2 Channel Elementss, be the channel of 2 Channel Elementss for grade, be unit with continuous 2 discrete channel unit, detect the discrete channel unit of all Physical Resource Block to comprising, each discrete channel unit index that detects is not overlapping;

Being the channel of 4 Channel Elementss for grade, is unit with continuous 4 discrete channel unit, detects the discrete channel unit of a described Z Physical Resource Block to comprising, and each discrete channel unit index that detects is not overlapping;

Being the channel of 8 Channel Elementss for grade, is unit with continuous 8 discrete channel unit, detects the discrete channel unit of a described Z Physical Resource Block to comprising, and each discrete channel unit index that detects is not overlapping.

Further, when described mapped mode was Discrete Mapping, terminal specifically comprised a described Z Physical Resource Block to being mapped as the discrete channel unit process:

According to the mapping ruler of discrete virtual resource blocks, discrete Physical Resource Block is constituted the discrete channel unit to last Channel Elements, perhaps, to being divided into resource unit group, deinterleaving constitutes the discrete channel unit with described Physical Resource Block;

When mapped mode was Discrete Mapping, it was as follows specifically to detect Application Example:

Concrete application 28

Z is 8,1 Physical Resource Block is to comprising 4 Channel Elementss, number for Channel Elements, 1 Physical Resource Block is to comprising 2 Channel Elements groups, each Channel Elements group comprises 2 Channel Elementss, according to predefine mode Discrete Mapping, described Physical Resource Block is right to being divided into 16 discrete channel unit, wherein, preceding 8 discrete channel unit remain 8 discrete channel unit to being mapped on the 2nd the right Channel Elements group of described Physical Resource Block to being mapped on the 1st the right Channel Elements group of described Physical Resource Block;

When the grade of configurating terminal detection only is 2 Channel Elementss and 4 Channel Elementss, be the channel of 2 Channel Elementss for grade, 8 discrete channel unit that detect in the predetermined group are right, detecting altogether 8 times, is the channel of 4 Channel Elementss for grade, with continuous 2 discrete channel unit to being unit, it is right to the discrete channel unit that comprises to detect all Physical Resource Block, each discrete channel unit that detects is not overlapping to index, detects altogether 8 times, and always detecting number of times is 16 times.

Concrete application 29

Z be 4,1 Physical Resource Block to comprising 4 Channel Elementss, number for Channel Elements, 1 Physical Resource Block is to comprising 2 Channel Elements groups, every Channel Elements group comprises 2 Channel Elementss, and according to predefine mode Discrete Mapping, described Physical Resource Block is right to being divided into 8 discrete channel unit;

The grade that detects when configurating terminal only is 2 Channel Elementss and 4 Channel Elementss, during 8 Channel Elementss, be the channel of 2 Channel Elementss for grade, it is right to detect all 8 discrete channel unit, detect altogether 8 times, be the channel of 4 Channel Elementss for grade, with continuous 2 discrete channel unit to being unit, it is right to the discrete channel unit that comprises to detect all Physical Resource Block, each discrete channel unit index that detects is not overlapping, detect altogether 4 times, be the channel of 8 Channel Elementss for grade, to being unit, it is right to the discrete channel unit that comprises to detect all Physical Resource Block with continuous 4 discrete channel unit, and each discrete channel unit index that detects is not overlapping, detect altogether 2 times, always detecting number of times is 14 times.

Concrete application 30

Z is 16,1 Physical Resource Block is to comprising 4 Channel Elementss, number for Channel Elements, 1 Physical Resource Block is to comprising 2 Channel Elements groups, every Channel Elements group comprises 2 Channel Elementss, according to predefine mode Discrete Mapping, described Physical Resource Block is right to being divided into 32 discrete channel unit, with all discrete channel unit to the numbering, 4 continuous discrete channel unit are to being that a discrete channel unit is to group, wherein, index is that the discrete channel unit of odd number is mapped on the 1st the right Channel Elements group of described Physical Resource Block group, and index is that the discrete channel unit of even number is mapped on the 2nd the right Channel Elements group of described Physical Resource Block group;

The grade that detects when configurating terminal only is 4 Channel Elementss, during 8 Channel Elementss, be the channel of 4 Channel Elementss for grade, it is right to detect all discrete channel unit that 1 Channel Elements group of all physics resource block pair comprises, with continuous 2 discrete channel unit to being unit, each discrete channel unit index that detects is not overlapping, detect altogether 8 times, be the channel of 8 Channel Elementss for grade, with continuous 4 discrete channel unit to being unit, it is right to the discrete channel unit that comprises to detect all Physical Resource Block, each discrete channel unit index that detects is not overlapping, detects altogether 8 times, and always detecting number of times is 16 times.

Concrete application 31

Z is 8,1 Physical Resource Block is to comprising 4 Channel Elementss, number for Channel Elements, 1 Physical Resource Block is to comprising 2 Channel Elements groups, every Channel Elements group comprises 2 Channel Elementss, according to predefine mode Discrete Mapping, described Physical Resource Block is right to being divided into 16 discrete channel unit, with all discrete channel unit to the numbering;

The grade that detects when configurating terminal only is 4 Channel Elementss, during 8 Channel Elementss, be the channel of 4 Channel Elementss for grade, it is right to all discrete channel unit that comprise to detect all Physical Resource Block, with continuous 2 discrete channel unit to being unit, each discrete channel unit index that detects is not overlapping, detect altogether 8 times, be the channel of 8 Channel Elementss for grade, with continuous 4 discrete channel unit to being unit, it is right to the discrete channel unit that comprises to detect all Physical Resource Block, each discrete channel unit index that detects is not overlapping, detects altogether 4 times, and always detecting number of times is 12 times.

Concrete application 32

Z be 4,1 Physical Resource Block to comprising 4 Channel Elementss, number for Channel Elements, 1 Physical Resource Block is to comprising 2 Channel Elements groups, every Channel Elements group comprises 2 Channel Elementss, and according to predefine mode Discrete Mapping, described Physical Resource Block is right to being divided into 8 discrete channel unit;

The grade that detects when configurating terminal is 2 Channel Elementss and 4 Channel Elementss, when 8 Channel Elementss and 16 Channel Elementss, be the channel of 2 Channel Elementss for grade, it is right to detect all 8 discrete channel unit, detect altogether 8 times, be the channel of 4 Channel Elementss for grade, with continuous 2 discrete channel unit to being unit, it is right to the discrete channel unit that comprises to detect all Physical Resource Block, each discrete channel unit index that detects is not overlapping, detect altogether 4 times, be the channel of 8 Channel Elementss for grade, to being unit, it is right to the discrete channel unit that comprises to detect all Physical Resource Block with continuous 4 discrete channel unit, each discrete channel unit index that detects is not overlapping, detecting altogether 2 times, is the channel of 16 Channel Elementss for grade, with continuous 8 discrete channel unit to being unit, it is right to the discrete channel unit that comprises to detect all Physical Resource Block, each discrete channel unit index that detects is not overlapping, detects altogether 1 time, and always detecting number of times is 15 times.

Concrete application 33

Z is 16,1 Physical Resource Block to comprising 2 Channel Elementss, and for the Channel Elements numbering, according to predefine mode Discrete Mapping, described Physical Resource Block is right to being divided into 16 discrete channel unit, with all discrete channel unit to numbering;

When the grade of configurating terminal detection only is 4 Channel Elementss, 8 Channel Elementss, be the channel of 4 Channel Elementss for grade, with continuous 2 discrete channel unit to being unit, each discrete channel unit index that detects is not overlapping, detect altogether 8 times, be the channel of 8 Channel Elementss for grade, with continuous 4 discrete channel unit to being unit, it is right to the discrete channel unit that comprises to detect all Physical Resource Block, each discrete channel unit index that detects is not overlapping, detect altogether 4 times, always detecting number of times is 12 times.

Concrete application 34

Z is 16,1 Physical Resource Block to comprising 2 Channel Elementss, and for the Channel Elements numbering, according to predefine mode Discrete Mapping, described Physical Resource Block is right to being divided into 16 discrete channel unit, with all discrete channel unit to numbering;

When the grade of configurating terminal detection only is 2 Channel Elementss, 4 Channel Elementss, be the channel of 2 Channel Elementss for grade, with 1 discrete channel unit to being unit, each discrete channel unit index that detects is not overlapping, detect altogether 8 times, be the channel of 4 Channel Elementss for grade, with continuous 2 discrete channel unit to being unit, it is right to the discrete channel unit that comprises to detect all Physical Resource Block, each discrete channel unit index that detects is not overlapping, detect altogether 8 times, always detecting number of times is 16 times.

Concrete application 35

Z is 8,1 Physical Resource Block to comprising 2 Channel Elementss, and for the Channel Elements numbering, according to predefine mode Discrete Mapping, described Physical Resource Block is right to being divided into 8 discrete channel unit, with all discrete channel unit to numbering;

The grade that detects when configurating terminal only is 2 Channel Elementss, 4 Channel Elementss, during 8 Channel Elementss, be the channel of 2 Channel Elementss for grade, with 1 discrete channel unit to being unit, it is right to the discrete channel unit that comprises to detect all Physical Resource Block, detect altogether 8 times, be the channel of 4 Channel Elementss for grade, with continuous 2 discrete channel unit to being unit, it is right to the discrete channel unit that comprises to detect all Physical Resource Block, each discrete channel unit index that detects is not overlapping, detecting altogether 4 times, is the channel of 8 Channel Elementss for grade, with continuous 4 discrete channel unit to being unit, it is right to the discrete channel unit that comprises to detect all Physical Resource Block, each discrete channel unit index that detects is not overlapping, detects altogether 2 times, and always detecting number of times is 14 times.

Concrete application 36

Z is 4,1 Physical Resource Block to comprising 2 Channel Elementss, and for the Channel Elements numbering, according to predefine mode Discrete Mapping, described Physical Resource Block is right to being divided into 4 discrete channel unit, with all discrete channel unit to numbering;

When the grade of configurating terminal detection only is 4 Channel Elementss, 8 Channel Elementss, be the channel of 4 Channel Elementss for grade, with continuous 2 discrete channel unit to being unit, each discrete channel unit index that detects is not overlapping, detect altogether 2 times, be the channel of 8 Channel Elementss for grade, with continuous 4 discrete channel unit to being unit, it is right to the discrete channel unit that comprises to detect all Physical Resource Block, each discrete channel unit index that detects is not overlapping, detect altogether 1 time, always detecting number of times is 3 times.

Concrete application 37

Z is 4,1 Physical Resource Block to comprising 2 Channel Elementss, and for the Channel Elements numbering, according to predefine mode Discrete Mapping, described Physical Resource Block is right to being divided into 4 discrete channel unit, with all discrete channel unit to numbering;

The grade that detects when configurating terminal only is 2 Channel Elementss, 4 Channel Elementss, during 8 Channel Elementss, be the channel of 2 Channel Elementss for grade, with 1 discrete channel unit to being unit, it is right to the discrete channel unit that comprises to detect all Physical Resource Block, detect altogether 4 times, be the channel of 4 Channel Elementss for grade, with continuous 2 discrete channel unit to being unit, it is right to the discrete channel unit that comprises to detect all Physical Resource Block, each discrete channel unit index that detects is not overlapping, detecting altogether 2 times, is the channel of 8 Channel Elementss for grade, with continuous 4 discrete channel unit to being unit, it is right to the discrete channel unit that comprises to detect all Physical Resource Block, each discrete channel unit index that detects is not overlapping, detects altogether 1 time, and always detecting number of times is 7 times.

Concrete application 38

Z is 4,1 Physical Resource Block to comprising 4 Channel Elementss, and for the Channel Elements numbering, according to predefine mode Discrete Mapping, described Physical Resource Block is right to being divided into 8 discrete channel unit, with all discrete channel unit to numbering;

The grade that detects when configurating terminal only is 4 Channel Elementss, during 8 Channel Elementss, be the channel of 4 Channel Elementss for grade, with continuous 2 discrete channel unit to being unit, it is right to the discrete channel unit that comprises to detect all Physical Resource Block, each discrete channel unit index that detects is not overlapping, detect altogether 2 times, be the channel of 8 Channel Elementss for grade, with continuous 4 discrete channel unit to being unit, it is right to the discrete channel unit that comprises to detect all Physical Resource Block, each discrete channel unit index that detects is not overlapping, detects altogether 2 times, and always detecting number of times is 6 times.

Concrete application 39

Z is 2,1 Physical Resource Block to comprising 4 Channel Elementss, and for the Channel Elements numbering, according to predefine mode Discrete Mapping, described Physical Resource Block is right to being divided into 4 discrete channel unit, with all discrete channel unit to numbering;

The grade that detects when configurating terminal only is 2 Channel Elementss, 4 Channel Elementss, during 8 Channel Elementss, be the channel of 2 Channel Elementss for grade, with 1 discrete channel unit to being unit, it is right to the discrete channel unit that comprises to detect all Physical Resource Block, detect altogether 4 times, be the channel of 4 Channel Elementss for grade, with continuous 2 discrete channel unit to being unit, it is right to the discrete channel unit that comprises to detect all Physical Resource Block, each discrete channel unit index that detects is not overlapping, detecting altogether 2 times, is the channel of 8 Channel Elementss for grade, with continuous 4 discrete channel unit to being unit, it is right to the discrete channel unit that comprises to detect all Physical Resource Block, each discrete channel unit index that detects is not overlapping, detects altogether 1 time, and always detecting number of times is 7 times.

The embodiment of the invention also provides a kind of base station, comprising:

Dispensing unit, be used for determining predefined pattern, described predefined pattern comprises mapped mode and/or the transmission mode of described channel, and described mapped mode comprises Continuous Mappings pattern and Discrete Mapping pattern, and described transmission mode comprises diversity mode and/or single antenna port transmission pattern;

Map unit is used for according to described predefined pattern, and channel is mapped to N Resource Block of subframe to last;

Transmitting element is used for according to described predefined pattern, sends described channel;

Wherein, described channel comprises the enhanced physical down control channel, and N is positive integer.

The method of concrete transmitting channel is referring to method embodiment.

The embodiment of the invention also provides a kind of terminal, comprising:

Detecting unit, be used for Z Physical Resource Block of Y Physical Resource Block centering of the detection channel of base station signaling configuration to, detect described channel according to predefined pattern, described predefined pattern comprises mapped mode and/or the transmission mode of described channel, described mapped mode comprises Continuous Mappings pattern and Discrete Mapping pattern, described transmission mode comprises diversity mode and/or single antenna port transmission pattern, described channel comprises the enhanced physical down control channel, wherein, described channel is mapped to N Physical Resource Block to last, Z is more than or equal to N and smaller or equal to Y, N, Y, Z is positive integer.

The concrete method of channel that detects is referring to method embodiment.

In sum, according to the abovementioned embodiments of the present invention, the present invention improves the shared efficiency of resource of ePDCCH, reduce the wasting of resources, reuse existing LTE system configuration as far as possible, reduce implementation complexity, simultaneously, guarantee that ePDCCH obtains frequency diversity gain or scheduling gain, a plurality of ePDCCH concentrate mapping as far as possible, to reduce the shared resource of ePDCCH to the influence of PDSCH transmission.

Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and be carried out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.

The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (54)

1. a channel sending method is characterized in that, comprising:

According to predefined pattern, the base station is mapped to N Resource Block of subframe to last with channel, send described channel, described predefined pattern comprises mapped mode and/or the transmission mode of described channel, described mapped mode comprises Continuous Mappings pattern and Discrete Mapping pattern, described transmission mode comprises diversity mode and/or single antenna port transmission pattern, and described channel comprises the enhanced physical down control channel, and N is positive integer.

2. the method for claim 1 is characterized in that,

When the transmission mode of described channel was diversity transmission mode, its mapped mode was the Discrete Mapping pattern;

When the transmission mode of described channel is single antenna port transmission pattern, its mapped mode be Continuous Mappings pattern and Discrete Mapping pattern one of them.

3. the method for claim 1 is characterized in that, the transmission mode of described channel is disposed by signaling; Perhaps, determine transmission mode according to mapped mode, and described diversity transmission mode is corresponding one by one with described Discrete Mapping pattern; Described single antenna port transmission pattern is corresponding one by one with described Continuous Mappings pattern.

4. the method for claim 1, it is characterized in that, the resource units of described channel correspondence is Channel Elements, and described channel bearing is on M Channel Elements, and 1 Physical Resource Block is to comprising h Channel Elements, the grade of described channel correspondence be T grade one of them, the Channel Elements of the corresponding varying number of different brackets, wherein, M, h, T are positive integer.

5. method as claimed in claim 4 is characterized in that, the grade of described channel correspondence is indicated by signaling, and perhaps, the grade of described channel correspondence is the predefine value.

6. method as claimed in claim 4 is characterized in that, X grade is fixing mapped mode in the described T grade, remains grade and disposes mapped mode by signaling, and wherein, X is more than or equal to 0 and smaller or equal to T.

7. method as claimed in claim 6 is characterized in that,

Described X is 0, by the mapped mode of the described T of a T bit configuration grade, and corresponding 1 bit of each grade;

Perhaps, described X is 0, comprises following 4 grades in the described T grade: respectively corresponding 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss; Dispose the mapped mode of each grade correspondence by signaling, the mapped mode of described signaling indication comprises one of following or its combination:

The grade of corresponding 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss is the Continuous Mappings pattern, and the grade of corresponding 8 Channel Elementss is the Discrete Mapping pattern;

The grade of corresponding 1 Channel Elements is the Continuous Mappings pattern, and the grade of corresponding 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss is the Discrete Mapping pattern;

The grade of corresponding 1 Channel Elements, 2 Channel Elementss is the Continuous Mappings pattern, and the grade of corresponding 4 Channel Elementss, 8 Channel Elementss is the Discrete Mapping pattern;

The grade of corresponding 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss is the Continuous Mappings pattern, and the grade of corresponding 8 Channel Elementss is the Discrete Mapping pattern;

Perhaps, described X is that 1,1 grade is fixed as Continuous Mappings, and other T-1 grade is passed through its mapped mode of T-1 bit configuration, corresponding 1 bit of each grade;

Perhaps, described X is 0, and described T grade adopts identical mapped mode, disposed the mapped mode of a described T grade by signaling.

8. method as claimed in claim 4, it is characterized in that, described Physical Resource Block is divided into resource unit group to the Resource Unit that will carry described channel according to the time domain orthogonal frequency division multiplexing symbol, 1 resource unit group comprises z Resource Unit, described resource unit group is divided into Channel Elements, wherein

1 Physical Resource Block takies different resource unit group to h Channel Elements of correspondence;

Perhaps,

Z equals h, and 1 Physical Resource Block is multiplexing on same asset by sign indicating number branch mode to h Channel Elements of correspondence, 1 Channel Elements corresponding 1 spreading code that length is z on 1 resource unit group;

Perhaps,

Z equals

Wherein, when h was even number, 1 Physical Resource Block was divided into two groups to h Channel Elements of correspondence,

Individual Channel Elements is 1 group, Channel Elements corresponding in the group is multiplexing on same asset by sign indicating number branch mode, 1 Channel Elements corresponding 1 spreading code that length is z on 1 resource unit group, with 1 group of interior Channel Elements different spreading code of correspondence on the same resource units group, Channel Elements on the same group is not positioned on the different resources, corresponding different resource unit group; Expression rounds downwards.

9. method as claimed in claim 4, it is characterized in that, when described predefined pattern is the Discrete Mapping pattern, described channel is mapped on the discrete channel of the g unit, 1 pair of discrete channel unit maps to 2 different Physical Resource Block is to last, 1 corresponding 1 Physical Resource Block in discrete channel unit is right, and wherein, 1 discrete channel unit is to comprising 2 Channel Elementss.

10. require 9 described methods as claim, it is characterized in that, with the Channel Elements numbering of 1 Physical Resource Block to comprising, be divided into k Channel Elements group, the Channel Elements that each Channel Elements group comprises is different, and preceding k-1 Channel Elements group comprises for every group Individual Channel Elements, the residue Channel Elements is assigned to k Channel Elements group, and described discrete channel unit is on the same channel unit group that is mapped to described Physical Resource Block.

11. method as claimed in claim 10, it is characterized in that, when described discrete channel unit comprises 2 Channel Elementss to the Channel Elements group that is mapped to, on the 1st Channel Elements of the destination channel unit group that 1 Physical Resource Block of 1 discrete channel unit maps is right, on the 2nd Channel Elements of the destination channel unit group that another another Physical Resource Block of discrete channel unit maps is right.

12. method as claimed in claim 10, it is characterized in that, described discrete channel unit to index q corresponding to discrete virtual resource blocks index q, discrete virtual resource blocks q corresponding physical Resource Block is right to the Physical Resource Block at place to being described discrete channel unit, the 1st discrete virtual resource blocks q of Channel Elements mapping of described discrete channel cell pairs is on the 1st Channel Elements of the right destination channel unit group of the 1st time slot corresponding physical Resource Block of subframe, and the 2nd discrete virtual resource blocks q of Channel Elements mapping of described discrete channel cell pairs is on the 2nd Channel Elements of the right destination channel unit group of the 2nd time slot corresponding physical Resource Block of subframe.

13. as claim 11 or 12 described methods, it is characterized in that, when described k greater than 1 the time, described discrete channel unit is disposed by signaling the destination channel unit group index at place.

14. method as claimed in claim 10 is characterized in that, when described h was 4, described k was 2, and when described h was 2, described k was 1, and when described h was 1, described k was 1.

15. as claim 1 to 12,14 arbitrary described methods, it is characterized in that, described method also comprises: the Physical Resource Block pair set of described channel is detected by the signaling configurating terminal in described base station, and it is right to select to obtain a described N Physical Resource Block from described Physical Resource Block pair set.

16., it is characterized in that when described predefined pattern was the Continuous Mappings pattern, a described N Physical Resource Block was right to being N continuous physical resource piece as the arbitrary described method of claim 1 to 8.

17. a channel detection method is characterized in that, comprising:

Terminal Z Physical Resource Block of Y Physical Resource Block centering of the detection channel of base station signaling configuration on, detect described channel according to predefined pattern, described predefined pattern comprises mapped mode and/or the transmission mode of described channel, described mapped mode comprises Continuous Mappings pattern and Discrete Mapping pattern, described transmission mode comprises diversity mode and/or single antenna port transmission pattern, described channel comprises the enhanced physical down control channel, wherein, described channel is mapped to N Physical Resource Block to last, Z is more than or equal to N and smaller or equal to Y, N, Y, Z is positive integer.

18. method as claimed in claim 17 is characterized in that, as described Y during greater than described Z, described terminal selects described Z Physical Resource Block to be detected right in each subframe from described Y Physical Resource Block centering.

19. method as claimed in claim 17, it is characterized in that, the resource units of described channel correspondence is Channel Elements, and described channel bearing is on M Channel Elements, and 1 Physical Resource Block is to comprising h Channel Elements, corresponding T the grade of described channel, different brackets comprises the Channel Elements of varying number, wherein, and M, h, T are positive integer.

20. method as claimed in claim 19 is characterized in that, described method comprises that also with described T grade grouping, the Physical Resource Block of the Channel Detection of same group of interior grade correspondence is to identical.

21. method as claimed in claim 20 is characterized in that, the group technology of described T grade grouping is comprised at least one of following:

The channel grade that comprises 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss is one group;

Perhaps,

The channel grade that comprises 1 Channel Elements, 2 Channel Elementss is one group, and the channel grade that comprises 4 Channel Elementss, 8 Channel Elementss is one group;

Perhaps,

The channel grade that comprises 1 Channel Elements is one group, and comprising 2 Channel Elements channel grades is one group, and the channel grade that comprises 4 Channel Elementss is one group, and comprising 8 Channel Elements channel grades is one group;

Perhaps,

The channel grade that comprises 1 Channel Elements is one group, and the channel grade that comprises 2 Channel Elementss is one group, and the channel grade that comprises 4 Channel Elementss is one group with the channel grade that comprises 8 Channel Elementss;

Perhaps,

The channel grade that comprises 1 Channel Elements is one group, and comprising the channel grade of 2 Channel Elementss, the channel grade that comprises 4 Channel Elementss, the channel grade that comprises 8 Channel Elementss is one group.

22. method as claimed in claim 19 is characterized in that, described terminal is determined mapped mode and the transmission mode of described channel according to the grade of signaling and/or described channel.

23. method as claimed in claim 19 is characterized in that, when described mapped mode was the Continuous Mappings pattern, described terminal detected described channel according to described grade at a described Z Physical Resource Block on to the Channel Elements of correspondence;

When 1 Physical Resource Block when comprising 4 Channel Elementss, it is one of following that detection principle comprises at least:

Be the channel of 1 Channel Elements for grade, detect the Channel Elements in 1 right Channel Elements group of each Physical Resource Block, each Physical Resource Block is identical to the Channel Elements group index of last detection;

Being the channel of 2 Channel Elementss for grade, is unit with the Channel Elements group, and each Physical Resource Block is identical to the Channel Elements group of last detection;

Grade is the Channel Elements group that detects of 2 Channel Elementss with grade is that the Channel Elements group of 1 Channel Elements detection is identical;

Be the channel of 4 Channel Elementss for grade, to being unit, it is right to each last Physical Resource Block to detect a described Z Physical Resource Block with Physical Resource Block;

Be the channel of 4 Channel Elementss for grade, with Physical Resource Block to being unit, to be that the Channel Elements group that detects of 1 Channel Elements detects the Physical Resource Block that described Physical Resource Block centering is numbered odd number during for odd number right when the terminal detection level, and it is right that the grade that detects when terminal is that the Channel Elements group that detects of 1 Channel Elements detects the Physical Resource Block that described Physical Resource Block centering is numbered even number during for even number;

Be the channel of 8 Channel Elementss for grade, to being unit, to sequence detection, each Physical Resource Block that detects is not to overlapping to a described Z Physical Resource Block with continuous 2 Physical Resource Block.

24. method as claimed in claim 19 is characterized in that, when described mapped mode was Continuous Mappings, terminal detected described channel according to described grade at a described Z Physical Resource Block on to the Channel Elements of correspondence;

When 1 Physical Resource Block when comprising 2 Channel Elementss, it is one of following that detection principle comprises at least:

Be the channel of 1 Channel Elements for grade, detect all right Channel Elementss of each Physical Resource Block;

Be the channel of 2 Channel Elementss for grade, with Physical Resource Block to being that unit detects;

Be the channel of 4 Channel Elementss for grade, to being unit, to sequence detection, each Physical Resource Block that detects is not to overlapping to a described Z Physical Resource Block with continuous 2 Physical Resource Block;

Be the channel of 8 Channel Elementss for grade, to being unit, to sequence detection, each Physical Resource Block that detects is not to overlapping to a described Z Physical Resource Block with continuous 4 Physical Resource Block.

25. method as claimed in claim 19, it is characterized in that, when described mapped mode is the Discrete Mapping pattern, terminal with a described Z Physical Resource Block to being mapped as the discrete channel unit, on described discrete channel unit, detect described channel according to described grade, wherein, a described Z Physical Resource Block is comprised being mapped as the discrete channel unit:

According to the mapping ruler of discrete virtual resource blocks, discrete Physical Resource Block is constituted the discrete channel unit to last Channel Elements, perhaps, to being divided into resource unit group, deinterleaving constitutes the discrete channel unit with described Physical Resource Block.

26. method as claimed in claim 25 is characterized in that, it is one of following that the detection principle when detecting described channel according to described grade on described discrete channel unit comprises at least:

When 1 Physical Resource Block when comprising 4 Channel Elementss, be the channel of 2 Channel Elementss for grade, detect discrete channel unit corresponding in 1 right Channel Elements group of a described Z Physical Resource Block, each Physical Resource Block is identical to the Channel Elements group index of last detection, be unit with continuous 2 discrete channel unit, each discrete channel unit index that detects is not overlapping;

When 1 Physical Resource Block when comprising 2 Channel Elementss, be the channel of 2 Channel Elementss for grade, be unit with continuous 2 discrete channel unit, detect the discrete channel unit of all Physical Resource Block to comprising, each discrete channel unit index that detects is not overlapping;

Being the channel of 4 Channel Elementss for grade, is unit with continuous 4 discrete channel unit, detects the discrete channel unit of a described Z Physical Resource Block to comprising, and each discrete channel unit index that detects is not overlapping;

Being the channel of 8 Channel Elementss for grade, is unit with continuous 8 discrete channel unit, detects the discrete channel unit of a described Z Physical Resource Block to comprising, and each discrete channel unit index that detects is not overlapping.

27. as the arbitrary described method of claim 17 to 21, it is characterized in that, the detection number of times that described terminal detects described channel according to predefined pattern comprise following one of at least:

When terminal when only detection level is 1 Channel Elements, 2 Channel Elementss, 1 Channel Elements detects 8 times, and 2 Channel Elementss detect 8 times;

When terminal when only detection level is 4 Channel Elementss, 8 Channel Elementss, 4 Channel Elementss detect 8 times, and 8 Channel Elementss detect 8 times;

When terminal when only detection level is 4 Channel Elementss, 8 Channel Elementss, 4 Channel Elementss detect 8 times, and 8 Channel Elementss detect 4 times;

When terminal when only detection level is 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss, 1 Channel Elements detects 8 times, and 2 Channel Elementss detect 4 times, and 4 Channel Elementss detect 4 times;

When terminal when only detection level is 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss, 2 Channel Elementss detect 8 times, and 4 Channel Elementss detect 4 times, and 8 Channel Elementss detect 4 times;

When terminal when only detection level is 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss, 2 Channel Elementss detect 8 times, and 4 Channel Elementss detect 4 times, and 8 Channel Elementss detect 2 times;

When terminal when only detection level is 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss, 1 Channel Elements detects 8 times, and 2 Channel Elementss detect 4 times, and 4 Channel Elementss detect 2 times, and 8 Channel Elementss detect 2 times;

When terminal when only detection level is 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss, 1 Channel Elements detects 4 times, and 2 Channel Elementss detect 8 times, and 4 Channel Elementss detect 2 times, and 8 Channel Elementss detect 2 times;

When terminal when only detection level is 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss, 1 Channel Elements detects 8 times, and 2 Channel Elementss detect 4 times, and 4 Channel Elementss detect 2 times, and 8 Channel Elementss detect 1 time;

When terminal when only detection level is 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss, 1 Channel Elements detects 4 times, and 2 Channel Elementss detect 8 times, and 4 Channel Elementss detect 2 times, and 8 Channel Elementss detect 1 time.

28. a base station is characterized in that, comprising:

Dispensing unit, be used for determining predefined pattern, described predefined pattern comprises mapped mode and/or the transmission mode of described channel, and described mapped mode comprises Continuous Mappings pattern and Discrete Mapping pattern, and described transmission mode comprises diversity mode and/or single antenna port transmission pattern;

Map unit is used for according to described predefined pattern, and channel is mapped to N Resource Block of subframe to last;

Transmitting element is used for according to described predefined pattern, sends described channel;

Wherein, described channel comprises the enhanced physical down control channel, and N is positive integer.

29. base station as claimed in claim 28 is characterized in that,

In the described predefined pattern, when the transmission mode of described channel was diversity transmission mode, its mapped mode was the Discrete Mapping pattern; When the transmission mode of described channel is single antenna port transmission pattern, its mapped mode be Continuous Mappings pattern and Discrete Mapping pattern one of them.

30. base station as claimed in claim 28 is characterized in that, described dispensing unit is determined transmission mode according to signaling; Perhaps, determine transmission mode according to mapped mode, and described diversity transmission mode is corresponding one by one with described Discrete Mapping pattern; Described single antenna port transmission pattern is corresponding one by one with described Continuous Mappings pattern.

31. base station as claimed in claim 28, it is characterized in that, the resource units of described channel correspondence is Channel Elements, and described channel bearing is on M Channel Elements, and 1 Physical Resource Block is to comprising h Channel Elements, the grade of described channel correspondence be T grade one of them, the Channel Elements of the corresponding varying number of different brackets, wherein, M, h, T are positive integer.

32. base station as claimed in claim 31 is characterized in that, described dispensing unit also is used for, and the grade of channel correspondence is determined in indication according to signaling, and perhaps, the grade of described channel correspondence is the predefine value.

33. base station as claimed in claim 31 is characterized in that, described dispensing unit also is used for, obtain in the described T grade mapped mode of other outer grades of X grade by signaling, wherein, a described X grade is fixing mapped mode, wherein, X is more than or equal to 0 and smaller or equal to T.

34. base station as claimed in claim 33 is characterized in that,

Described X is 0, and described dispensing unit is determined the mapped mode of a described T grade according to the T bit signalling, corresponding 1 bit of each grade;

Perhaps, described X is 0, comprises following 4 grades in the described T grade: respectively corresponding 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss; Described dispensing unit obtains the mapped mode of each grade correspondence by signaling, and the mapped mode of described signaling indication comprises one of following or its combination:

The grade of corresponding 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss is the Continuous Mappings pattern, and the grade of corresponding 8 Channel Elementss is the Discrete Mapping pattern;

The grade of corresponding 1 Channel Elements is the Continuous Mappings pattern, and the grade of corresponding 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss is the Discrete Mapping pattern;

The grade of corresponding 1 Channel Elements, 2 Channel Elementss is the Continuous Mappings pattern, and the grade of corresponding 4 Channel Elementss, 8 Channel Elementss is the Discrete Mapping pattern;

The grade of corresponding 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss is the Continuous Mappings pattern, and the grade of corresponding 8 Channel Elementss is the Discrete Mapping pattern;

Perhaps, described X is that 1,1 grade is fixed as Continuous Mappings, and other T-1 grade is determined its mapped mode by the T-1 bit signalling, corresponding 1 bit of each grade;

Perhaps, described X is 0, and described T grade adopts identical mapped mode, determines the mapped mode of a described T grade by signaling.

35. base station as claimed in claim 31, it is characterized in that, described map unit also is used for: described Physical Resource Block is divided into resource unit group to the Resource Unit that will carry described channel according to the time domain orthogonal frequency division multiplexing symbol, 1 resource unit group comprises z Resource Unit, described resource unit group is divided into Channel Elements, wherein

1 Physical Resource Block takies different resource unit group to h Channel Elements of correspondence;

Perhaps,

Z equals h, and 1 Physical Resource Block is multiplexing on same asset by sign indicating number branch mode to h Channel Elements of correspondence, 1 Channel Elements corresponding 1 spreading code that length is z on 1 resource unit group;

Perhaps,

Z equals Wherein, when h was even number, 1 Physical Resource Block was divided into two groups to h Channel Elements of correspondence,

Individual Channel Elements is 1 group, Channel Elements corresponding in the group is multiplexing on same asset by sign indicating number branch mode, 1 Channel Elements corresponding 1 spreading code that length is z on 1 resource unit group, with 1 group of interior Channel Elements different spreading code of correspondence on the same resource units group, Channel Elements on the same group is not positioned on the different resources, corresponding different resource unit group;

Expression rounds downwards.

36. base station as claimed in claim 31, it is characterized in that, described map unit also is used for: when described predefined pattern is the Discrete Mapping pattern, described channel is mapped on the discrete channel of the g unit, 1 pair of discrete channel unit maps to 2 different Physical Resource Block is to last, 1 corresponding 1 Physical Resource Block in discrete channel unit is right, and wherein, 1 discrete channel unit is to comprising 2 Channel Elementss.

37. base station as claimed in claim 36, it is characterized in that described map unit also is used for: with the Channel Elements numbering of 1 Physical Resource Block to comprising, be divided into k Channel Elements group, the Channel Elements that each Channel Elements group comprises is different, and preceding k-1 Channel Elements group comprises for every group

Individual Channel Elements, the residue Channel Elements is assigned to k Channel Elements group, and described discrete channel unit is on the same channel unit group that is mapped to described Physical Resource Block.

38. base station as claimed in claim 37, it is characterized in that, described map unit also is used for: when described discrete channel unit comprises 2 Channel Elementss to the Channel Elements group that is mapped to, on the 1st Channel Elements of the destination channel unit group that 1 Physical Resource Block of 1 discrete channel unit maps is right, on the 2nd Channel Elements of the destination channel unit group that another another Physical Resource Block of discrete channel unit maps is right.

39. base station as claimed in claim 37, it is characterized in that, described map unit also is used for: described discrete channel unit to index q corresponding to discrete virtual resource blocks index q, discrete virtual resource blocks q corresponding physical Resource Block is right to the Physical Resource Block at place to being described discrete channel unit, the 1st discrete virtual resource blocks q of Channel Elements mapping of described discrete channel cell pairs is on the 1st Channel Elements of the right destination channel unit group of the 1st time slot corresponding physical Resource Block of subframe, and the 2nd discrete virtual resource blocks q of Channel Elements mapping of described discrete channel cell pairs is on the 2nd Channel Elements of the right destination channel unit group of the 2nd time slot corresponding physical Resource Block of subframe.

40. as claim 38 or 39 described base stations, it is characterized in that described map unit also is used for: when described k greater than 1 the time, determine that by signaling described discrete channel unit is to the destination channel unit group index at place.

41. base station as claimed in claim 37 is characterized in that, when described h was 4, described k was 2, and when described h was 2, described k was 1, and when described h was 1, described k was 1.

42. as claim 28 to 39,41 arbitrary described base stations, it is characterized in that,

Described dispensing unit also is used for detecting by the signaling configurating terminal Physical Resource Block pair set of described channel;

Described map unit also is used for: it is right to select to obtain a described N Physical Resource Block from described Physical Resource Block pair set.

43., it is characterized in that when described predefined pattern was the Continuous Mappings pattern, a described N Physical Resource Block was right to being N continuous physical resource piece as the arbitrary described base station of claim 28 to 35.

44. a terminal is characterized in that, comprising:

Detecting unit, be used for Z Physical Resource Block of Y Physical Resource Block centering of the detection channel of base station signaling configuration to, detect described channel according to predefined pattern, described predefined pattern comprises mapped mode and/or the transmission mode of described channel, described mapped mode comprises Continuous Mappings pattern and Discrete Mapping pattern, described transmission mode comprises diversity mode and/or single antenna port transmission pattern, described channel comprises the enhanced physical down control channel, wherein, described channel is mapped to N Physical Resource Block to last, Z is more than or equal to N and smaller or equal to Y, N, Y, Z is positive integer.

45. terminal as claimed in claim 44 is characterized in that, described detecting unit also is used for: as described Y during greater than described Z, select described Z Physical Resource Block to be detected right in each subframe from described Y Physical Resource Block centering.

46. terminal as claimed in claim 44, it is characterized in that, the resource units of described channel correspondence is Channel Elements, and described channel bearing is on M Channel Elements, and 1 Physical Resource Block is to comprising h Channel Elements, corresponding T the grade of described channel, different brackets comprises the Channel Elements of varying number, wherein, and M, h, T are positive integer.

47. terminal as claimed in claim 46 is characterized in that, described detecting unit be for: with the grouping of described T grade, the Physical Resource Block of the Channel Detection of the grade correspondence in same group is to identical.

48. terminal as claimed in claim 47 is characterized in that, the group technology of described T grade grouping is comprised at least one of following:

The channel grade that comprises 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss is one group;

Perhaps,

The channel grade that comprises 1 Channel Elements, 2 Channel Elementss is one group, and the channel grade that comprises 4 Channel Elementss, 8 Channel Elementss is one group;

Perhaps,

The channel grade that comprises 1 Channel Elements is one group, and comprising 2 Channel Elements channel grades is one group, and the channel grade that comprises 4 Channel Elementss is one group, and comprising 8 Channel Elements channel grades is one group;

Perhaps,

The channel grade that comprises 1 Channel Elements is one group, and the channel grade that comprises 2 Channel Elementss is one group, and the channel grade that comprises 4 Channel Elementss is one group with the channel grade that comprises 8 Channel Elementss;

Perhaps,

The channel grade that comprises 1 Channel Elements is one group, and comprising the channel grade of 2 Channel Elementss, the channel grade that comprises 4 Channel Elementss, the channel grade that comprises 8 Channel Elementss is one group.

49. terminal as claimed in claim 46 is characterized in that, described detecting unit also is used for: mapped mode and the transmission mode of determining described channel according to the grade of signaling and/or described channel.

50. terminal as claimed in claim 46 is characterized in that, described detecting unit is used for: when described mapped mode is the Continuous Mappings pattern, detect described channel according to described grade at a described Z Physical Resource Block on to the Channel Elements of correspondence;

When 1 Physical Resource Block when comprising 4 Channel Elementss, it is one of following that detection principle comprises at least:

Be the channel of 1 Channel Elements for grade, detect the Channel Elements in 1 right Channel Elements group of each Physical Resource Block, each Physical Resource Block is identical to the Channel Elements group index of last detection;

Being the channel of 2 Channel Elementss for grade, is unit with the Channel Elements group, and each Physical Resource Block is identical to the Channel Elements group of last detection;

Grade is the Channel Elements group that detects of 2 Channel Elementss with grade is that the Channel Elements group of 1 Channel Elements detection is identical;

Be the channel of 4 Channel Elementss for grade, to being unit, it is right to each last Physical Resource Block to detect a described Z Physical Resource Block with Physical Resource Block;

Be the channel of 4 Channel Elementss for grade, with Physical Resource Block to being unit, to be that the Channel Elements group that detects of 1 Channel Elements detects the Physical Resource Block that described Physical Resource Block centering is numbered odd number during for odd number right when detection level, and to be that the Channel Elements group that detects of 1 Channel Elements detects the Physical Resource Block that described Physical Resource Block centering is numbered even number during for even number right when detection level;

Be the channel of 8 Channel Elementss for grade, to being unit, to sequence detection, each Physical Resource Block that detects is not to overlapping to a described Z Physical Resource Block with continuous 2 Physical Resource Block.

51. terminal as claimed in claim 46 is characterized in that, described detecting unit also is used for: when described mapped mode is Continuous Mappings, detect described channel according to described grade at a described Z Physical Resource Block on to the Channel Elements of correspondence;

When 1 Physical Resource Block when comprising 2 Channel Elementss, it is one of following that detection principle comprises at least:

Be the channel of 1 Channel Elements for grade, detect all right Channel Elementss of each Physical Resource Block;

Be the channel of 2 Channel Elementss for grade, with Physical Resource Block to being that unit detects;

Be the channel of 4 Channel Elementss for grade, to being unit, to sequence detection, each Physical Resource Block that detects is not to overlapping to a described Z Physical Resource Block with continuous 2 Physical Resource Block;

Be the channel of 8 Channel Elementss for grade, to being unit, to sequence detection, each Physical Resource Block that detects is not to overlapping to a described Z Physical Resource Block with continuous 4 Physical Resource Block.

52. terminal as claimed in claim 46, it is characterized in that, described detecting unit also is used for: when described mapped mode is the Discrete Mapping pattern, with a described Z Physical Resource Block to being mapped as the discrete channel unit, on described discrete channel unit, detect described channel according to described grade, wherein, a described Z Physical Resource Block is comprised being mapped as the discrete channel unit:

According to the mapping ruler of discrete virtual resource blocks, discrete Physical Resource Block is constituted the discrete channel unit to last Channel Elements, perhaps, to being divided into resource unit group, deinterleaving constitutes the discrete channel unit with described Physical Resource Block.

53. terminal as claimed in claim 52 is characterized in that, it is one of following that the detection principle when described detecting unit detects described channel according to described grade on described discrete channel unit comprises at least:

When 1 Physical Resource Block when comprising 4 Channel Elementss, be the channel of 2 Channel Elementss for grade, detect discrete channel unit corresponding in 1 right Channel Elements group of a described Z Physical Resource Block, each Physical Resource Block is identical to the Channel Elements group index of last detection, be unit with continuous 2 discrete channel unit, each discrete channel unit index that detects is not overlapping;

When 1 Physical Resource Block when comprising 2 Channel Elementss, be the channel of 2 Channel Elementss for grade, be unit with continuous 2 discrete channel unit, detect the discrete channel unit of all Physical Resource Block to comprising, each discrete channel unit index that detects is not overlapping;

Being the channel of 4 Channel Elementss for grade, is unit with continuous 4 discrete channel unit, detects the discrete channel unit of a described Z Physical Resource Block to comprising, and each discrete channel unit index that detects is not overlapping;

Being the channel of 8 Channel Elementss for grade, is unit with continuous 8 discrete channel unit, detects the discrete channel unit of a described Z Physical Resource Block to comprising, and each discrete channel unit index that detects is not overlapping.

54. as the arbitrary described terminal of claim 44 to 48, it is characterized in that, the detection number of times that described detecting unit detects described channel according to predefined pattern comprise following one of at least:

When only detection level was 1 Channel Elements, 2 Channel Elementss, 1 Channel Elements detected 8 times, and 2 Channel Elementss detect 8 times;

When only detection level was 4 Channel Elementss, 8 Channel Elementss, 4 Channel Elementss detected 8 times, and 8 Channel Elementss detect 8 times;

When only detection level was 4 Channel Elementss, 8 Channel Elementss, 4 Channel Elementss detected 8 times, and 8 Channel Elementss detect 4 times;

When only detection level was 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss, 1 Channel Elements detected 8 times, and 2 Channel Elementss detect 4 times, and 4 Channel Elementss detect 4 times;

When only detection level was 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss, 2 Channel Elementss detected 8 times, and 4 Channel Elementss detect 4 times, and 8 Channel Elementss detect 4 times;

When only detection level was 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss, 2 Channel Elementss detected 8 times, and 4 Channel Elementss detect 4 times, and 8 Channel Elementss detect 2 times;

When only detection level was 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss, 1 Channel Elements detected 8 times, and 2 Channel Elementss detect 4 times, and 4 Channel Elementss detect 2 times, and 8 Channel Elementss detect 2 times;

When only detection level was 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss, 1 Channel Elements detected 4 times, and 2 Channel Elementss detect 8 times, and 4 Channel Elementss detect 2 times, and 8 Channel Elementss detect 2 times;

When only detection level was 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss, 1 Channel Elements detected 8 times, and 2 Channel Elementss detect 4 times, and 4 Channel Elementss detect 2 times, and 8 Channel Elementss detect 1 time;

When only detection level was 1 Channel Elements, 2 Channel Elementss, 4 Channel Elementss, 8 Channel Elementss, 1 Channel Elements detected 4 times, and 2 Channel Elementss detect 8 times, and 4 Channel Elementss detect 2 times, and 8 Channel Elementss detect 1 time.

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