CN107005303B

CN107005303B - Enhance downlink physical control channel and sends processing method and equipment

Info

Publication number: CN107005303B
Application number: CN201480083862.3A
Authority: CN
Inventors: 郑中亮
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2014-12-16
Filing date: 2014-12-16
Publication date: 2019-06-18
Anticipated expiration: 2034-12-16
Also published as: CN107005303A; WO2016095109A1

Abstract

The embodiment of the present invention provides a kind of enhancing downlink physical control channel and sends processing method and equipment, the method includes: after carrying out rate-matched processing to N number of DCI and before carrying out layer mapping and precoding processing to N number of DCI, first DCI is mapped on the RE of the first symbol in TTI, wherein, N >=1, N number of DCI is transmitted in TTI, the first symbol is any symbol in TTI, and the first DCI includes at least one of N number of DCI；Within the time of current sign, first processing is carried out to the RE of first symbol, first processing includes: scrambling processing, modulation treatment, power control processing, layer mapping and precoding processing, processing in addition to second processing in IFFT processing, first symbol is any symbol in the TTI after current sign, second processing be on the RE that the first DCI is mapped to the first symbol before, the processing that carries out after rate-matched processing, solve the technical problem of EPDCCH processing delay anxiety.

Description

Enhance downlink physical control channel and sends processing method and equipment

Technical field

The present embodiments relate to field of communication technology more particularly to a kind of enhancing downlink physical control channel (English: Enhanced Physical Downlink Control Channel, referred to as: EPDCCH) send processing method and equipment.

Background technique

EPDCCH is the long term evolution (English: Long Term Evolution, abbreviation: LTE) of universal mobile communications technology The newly-increased definition of version 11 (English: Release 11, referred to as: R11) a kind of downlink physical control channel, for emitting downlink Control information (English: Downlink Control Information, abbreviation: DCI).

In the prior art, the transmission treatment process of EPDCCH is as shown in Figure 1, the equal complete independently Cyclic Redundancy Code of each DCI Verification (English: Cyclical Redundancy Check, referred to as: CRC) addition, CRC add cover, encode, rate-matched, scrambling, Modulation, power control (power control), layer mapping and precoding, the processing of subcarrier maps, it is then again that EPDCCH is other with downlink Channel together according to symbol carry out anti-fast Fourier transform (English: Inverse Fast Fourier Transformation, Referred to as: IFFT) time-frequency transformation.Wherein, Transmission Time Interval (English: Transmission Time Interval, It referred to as: TTI) include two time slots (English: slot), such as: it include 7 symbols, each of each symbol in each time slot Resource block (English: Resource Block, referred to as: RB) it include 12 resource units (English: Resource Element, letter Claim: RE), each symbol is numbered this 12 RE according to 0-11, therefore, each during the subcarrier maps of DCI A DCI can be mapped on multiple symbols in 1 TTI, and the same DCI can be mapped in each symbol and number identical RE On, so that the EPDCCH of multiple DCI can be mapped on each symbol.

However, needing to complete the layer mapping of all DCI in 1 TTI and precoding in the prior art could start later IFFT processing is carried out to the 1st symbol in this TTI, causes the processing delay of EPDCCH more demanding.

Summary of the invention

The embodiment of the present invention provides a kind of EPDCCH and sends processing method and equipment, for solving EPDCCH in the prior art Processing delay anxiety technical problem.

In a first aspect, the embodiment of the present invention provides a kind of network equipment, comprising: memory and processor, the memory In be stored with the code that EPDCCH sends processing method, the processor is for calling the code to perform the following operations:

After carrying out rate-matched processing to N number of DCI and to the N number of DCI carry out layer mapping and precoding processing it Before, the first DCI is mapped on the RE of the first symbol in TTI, wherein the N is the integer more than or equal to 1, the TTI Middle transmission N number of DCI, first symbol is any symbol in the TTI, and the first DCI includes N number of DCI At least one of；

Within the time of current sign, the first processing is carried out to the RE of first symbol, first processing includes: to add Processing, modulation treatment, power control processing, layer mapping and precoding processing, anti-fast Fourier is disturbed to convert and remove at second in IFFT processing Processing except reason, first symbol are any symbol after the current sign, and the second processing is to incite somebody to action described First DCI map on the RE of first symbol before, the rate-matched processing after carry out processing.

In the first possible implementation of the first aspect, the processor is for mapping to the first DCI in TTI The first symbol RE on, comprising: the processor is specifically used for, within the time of the current sign, obtain it is to be mapped extremely A part of data of the first DCI on the RE of first symbol；And a part of number for the first DCI that will acquire According to mapping on the RE of first symbol.

The possible implementation of with reference to first aspect the first, in second of possible implementation of first aspect In, first symbol is next symbol of the current sign.

In a third possible implementation of the first aspect, the processor is used for N number of downgoing control signal Before after DCI progress rate-matched processing and carrying out layer mapping and precoding processing to N number of DCI, the first DCI is reflected It is incident upon on the RE of the first symbol in TTI, comprising: the processor is specifically used for, and is carrying out rate-matched to N number of DCI Before carrying out layer mapping and precoding processing after processing and to N number of DCI, N number of DCI is mapped to the TTI's On RE.

With reference to first aspect or the first any one into the third possible implementation of first aspect, In 4th kind of possible implementation of one side, the processor be used for N number of DCI carry out rate-matched processing after, And before carrying out layer mapping and precoding processing to N number of DCI, the first DCI is mapped to the RE of the first symbol in TTI On, comprising: the processor is specifically used for, after carrying out rate-matched processing to N number of DCI and to N number of DCI Before carrying out scrambling processing, the first DCI is mapped on the RE of first symbol；

The processor was used within the time of current sign, carried out the first processing to the RE of first symbol, comprising: The processor is specifically used for, and within the time of the current sign, carries out scrambling processing, modulation to the RE of first symbol Processing, power control processing, layer mapping and precoding processing, IFFT processing.

With reference to first aspect or the first any one into the third possible implementation of first aspect, In 5th kind of possible implementation of one side, the processor be used for N number of DCI carry out rate-matched processing after, And before carrying out layer mapping and precoding processing to N number of DCI, the first DCI is mapped to the RE of the first symbol in TTI On, comprising: the processor is specifically used for, and carries out after carrying out scrambling processing to N number of DCI and to N number of DCI Before modulation treatment, the first DCI is mapped on the RE of first symbol；

The processor was used within the time of current sign, carried out the first processing to the RE of first symbol, comprising: The processor is specifically used for, and within the time of the current sign, is modulated processing, power control to the RE of first symbol Processing, layer mapping and precoding processing, IFFT processing.

With reference to first aspect or the first any one into the third possible implementation of first aspect, In 6th kind of possible implementation of one side, the processor be used for N number of DCI carry out rate-matched processing after, And before carrying out layer mapping and precoding processing to N number of DCI, the first DCI is mapped to the RE of the first symbol in TTI On, comprising: the processor is specifically used for, and carries out after being modulated processing to N number of DCI and to N number of DCI Before power control processing, the first DCI is mapped on the RE of first symbol；

The processor was used within the time of current sign, carried out the first processing to the RE of first symbol, comprising: The processor is specifically used for, within the time of the current sign, to the RE of first symbol carries out power control processing, layer reflects It penetrates and precoding processing, IFFT processing.

With reference to first aspect or the first any one into the third possible implementation of first aspect, In 7th kind of possible implementation of one side, the processor be used for N number of DCI carry out rate-matched processing after, And before carrying out layer mapping and precoding processing to N number of DCI, the first DCI is mapped to the RE of the first symbol in TTI On, comprising: the processor is specifically used for, and carries out after carrying out power control processing to N number of DCI and to N number of DCI Before layer mapping and precoding processing, the first DCI is mapped on the RE of first symbol；

The processor was used within the time of current sign, carried out the first processing to the RE of first symbol, comprising: The processor is specifically used for, and within the time of the current sign, carries out layer mapping to the RE of first symbol and prelists Code processing, IFFT processing.

Second aspect, the embodiment of the present invention provide a kind of network equipment, comprising:

Map unit, for carrying out layer mapping after carrying out rate-matched processing to N number of DCI and to N number of DCI Before precoding processing, the first DCI is mapped on the RE of the first symbol in TTI, wherein the N is more than or equal to 1 Integer, N number of DCI is transmitted in the TTI, first symbol is any symbol in the TTI, the first DCI Including at least one of described N number of DCI；

Processing unit carries out the first processing to the RE of first symbol within the time of current sign, and described the One processing includes: that scrambling processing, modulation treatment, power control processing, layer mapping and precoding processing, anti-fast Fourier are converted at IFFT Processing in reason in addition to second processing, first symbol is any symbol after the current sign, at described second Reason is carries out before on the RE that the first DCI is mapped to first symbol, after rate-matched processing Processing.

In the first possible implementation of the second aspect, the map unit is used to the first DCI mapping to TTI In the first symbol RE on, comprising: the map unit is specifically used for, and within the time of the current sign, obtains wait reflect It is incident upon a part of data of the first DCI on the RE of first symbol；And one of the first DCI that will acquire Divided data maps on the RE of first symbol.

In conjunction with the first possible implementation of second aspect, in second of possible implementation of second aspect In, first symbol is next symbol of the current sign.

In the third possible implementation of the second aspect, the map unit is used to control letter to N number of downlink Number DCI is carried out after rate-matched processing and before carrying out floor mapping and precoding processing to N number of DCI, by the first DCI It maps on the RE of the first symbol in TTI, comprising: the map unit is specifically used for, and is carrying out rate to N number of DCI Before carrying out layer mapping and precoding processing after matching treatment and to N number of DCI, N number of DCI is mapped to described On the RE of TTI.

In conjunction with any one of the first of second aspect or second aspect into the third possible implementation, In 4th kind of possible implementation of two aspects, the map unit is used to handle it to N number of DCI progress rate-matched Before afterwards and carrying out layer mapping and precoding processing to N number of DCI, the first DCI is mapped to the first symbol in TTI On RE, comprising: the map unit is specifically used for, after carrying out rate-matched processing to N number of DCI and to described N number of Before DCI carries out scrambling processing, the first DCI is mapped on the RE of first symbol；

The processing unit was used within the time of current sign, carried out the first processing, packet to the RE of first symbol Include: the processing unit is specifically used for, and within the time of the current sign, carries out at scrambling to the RE of first symbol Reason, modulation treatment, power control processing, layer mapping and precoding processing, IFFT processing.

In conjunction with any one of the first of second aspect or second aspect into the third possible implementation, In 5th kind of possible implementation of two aspects, the map unit is used to handle it to N number of DCI progress rate-matched Before afterwards and carrying out layer mapping and precoding processing to N number of DCI, the first DCI is mapped to the first symbol in TTI On RE, comprising: the map unit is specifically used for, after carrying out scrambling processing to N number of DCI and to N number of DCI It is modulated before processing, the first DCI is mapped on the RE of first symbol；

The processing unit was used within the time of current sign, carried out the first processing, packet to the RE of first symbol Include: the processing unit is specifically used for, and within the time of the current sign, is modulated place to the RE of first symbol Reason, power control processing, layer mapping and precoding processing, IFFT processing.

In conjunction with any one of the first of second aspect or second aspect into the third possible implementation, In 6th kind of possible implementation of two aspects, the map unit is used to handle it to N number of DCI progress rate-matched Before afterwards and carrying out layer mapping and precoding processing to N number of DCI, the first DCI is mapped to the first symbol in TTI On RE, comprising: the map unit is specifically used for, after being modulated processing to N number of DCI and to N number of DCI Before carrying out power control processing, the first DCI is mapped on the RE of first symbol；

The processing unit was used within the time of current sign, carried out the first processing, packet to the RE of first symbol Include: the processing unit is specifically used for, and within the time of the current sign, carries out at power control to the RE of first symbol Reason, layer mapping and precoding processing, IFFT processing.

In conjunction with any one of the first of second aspect or second aspect into the third possible implementation, In 7th kind of possible implementation of two aspects, the map unit is used to handle it to N number of DCI progress rate-matched Before afterwards and carrying out layer mapping and precoding processing to N number of DCI, the first DCI is mapped to the first symbol in TTI On RE, comprising: the map unit is specifically used for, after carrying out power control processing to N number of DCI and to N number of DCI Before carrying out layer mapping and precoding processing, the first DCI is mapped on the RE of first symbol；

The processing unit was used within the time of current sign, carried out the first processing, packet to the RE of first symbol Include: the processing unit is specifically used for, within the time of the current sign, to the RE of first symbol carry out layer mapping and Precoding processing, IFFT processing.

The third aspect, the embodiment of the present invention provide a kind of EPDCCH transmission processing method, comprising:

In the first possible implementation of the third aspect, first symbol the first DCI mapped in TTI RE on, comprising:

Within the time of the current sign, obtain the first DCI's on the RE of first symbol A part of data；

A part of data for the first DCI that will acquire map on the RE of first symbol.

In conjunction with the first possible implementation of the third aspect, in second of possible implementation of the third aspect In, first symbol is next symbol of the current sign.

In the third possible implementation of the third aspect, rate-matched is being carried out to N number of downgoing control signal DCI Before carrying out layer mapping and precoding processing after processing and to N number of DCI, the first DCI is mapped to first in TTI On the RE of symbol, comprising:

After carrying out rate-matched processing to N number of DCI and N number of DCI is carried out at layer mapping and precoding Before reason, N number of DCI is mapped on the RE of the TTI.

In conjunction with any one of the first of the third aspect or the third aspect into the third possible implementation, It is described after carrying out rate-matched processing to N number of DCI and to described N number of in 4th kind of possible implementation of three aspects Before DCI carries out layer mapping and precoding processing, the first DCI is mapped on the RE of the first symbol in TTI, comprising:

It, will before after carrying out rate-matched processing to N number of DCI and carrying out scrambling processing to N number of DCI First DCI is mapped on the RE of first symbol；

First processing of RE progress within the time of current sign, to first symbol, comprising:

Within the time of the current sign, scrambling processing, modulation treatment are carried out, at power control to the RE of first symbol Reason, layer mapping and precoding processing, IFFT processing.

In conjunction with any one of the first of the third aspect or the third aspect into the third possible implementation, It is described after carrying out rate-matched processing to N number of DCI and to described N number of in 5th kind of possible implementation of three aspects Before DCI carries out layer mapping and precoding processing, the first DCI is mapped on the RE of the first symbol in TTI, comprising:

It, will be described before after carrying out scrambling processing to N number of DCI and being modulated processing to N number of DCI First DCI is mapped on the RE of first symbol；

Within the time of the current sign, processing, power control processing, layer mapping are modulated to the RE of first symbol With precoding processing, IFFT processing.

In conjunction with any one of the first of the third aspect or the third aspect into the third possible implementation, It is described after carrying out rate-matched processing to N number of DCI and to described N number of in 6th kind of possible implementation of three aspects Before DCI carries out layer mapping and precoding processing, the first DCI is mapped on the RE of the first symbol in TTI, comprising:

Before carrying out power control processing after being modulated processing to N number of DCI and to N number of DCI, by first DCI is mapped on the RE of first symbol；

Within the time of the current sign, power control processing, layer mapping and precoding are carried out to the RE of first symbol Processing, IFFT processing.

In conjunction with any one of the first of the third aspect or the third aspect into the third possible implementation, It is described after carrying out rate-matched processing to N number of DCI and to described N number of in 7th kind of possible implementation of three aspects Before DCI carries out layer mapping and precoding processing, the first DCI is mapped on the RE of the first symbol in TTI, comprising:

After carrying out power control processing to the N number of DCI and to N number of DCI carry out layer mapping and precoding processing it Before, the first DCI is mapped on the RE of first symbol；

Within the time of the current sign, layer mapping and precoding processing, IFFT are carried out to the RE of first symbol Processing.

EPDCCH provided in an embodiment of the present invention sends processing method and equipment, is carrying out rate-matched processing to N number of DCI Before later and carrying out layer mapping and precoding processing to N number of DCI, the first DCI is mapped to the RE of first symbol On, the first processing being then discussed below again to the RE of first symbol is carried out in the RE to each symbol in this way Before IFFT processing, the layer mapping and precoding processing for not needing to complete N number of DCI in the TTI later could be in this TTI Each symbol RE carry out IFFT processing, solve the technical problem of EPDCCH processing delay anxiety.

Detailed description of the invention

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root Other attached drawings are obtained according to these attached drawings.

Fig. 1 is a kind of schematic diagram that EPDCCH sends processing in the prior art；

Fig. 2 is the structural schematic diagram of inventive network apparatus embodiments one；

Fig. 3 is the structural schematic diagram of inventive network apparatus embodiments two；

Fig. 4 is the flow chart that EPDCCH of the present invention sends processing method embodiment one；

Fig. 5 is the first implementation schematic diagram that EPDCCH of the present invention sends processing method；

Fig. 6 is second of implementation schematic diagram that EPDCCH of the present invention sends processing method；

Fig. 7 is the third implementation schematic diagram that EPDCCH of the present invention sends processing method；

Fig. 8 is the 4th kind of implementation schematic diagram that EPDCCH of the present invention sends processing method；

Fig. 9 is the flow chart that EPDCCH of the present invention sends processing method embodiment two；

Figure 10 is the flow chart that EPDCCH of the present invention sends processing method embodiment three；

Figure 11 is a kind of schematic diagram of the RE in TTI provided in an embodiment of the present invention.

Specific embodiment

In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.

The network equipment provided by the invention, such as can be with the evolved base station (English: Evolved in LTE system NodeB, referred to as: eNB), invention is not limited thereto.

Fig. 2 is the structural schematic diagram of inventive network apparatus embodiments one, as shown in Fig. 2, the network equipment of the present embodiment It may include: memory 11 and processor 12, wherein memory 11 executes terminal work mode setting side for storing The code of method；Memory 11 may include nonvolatile memory (Non-volatile Memory).Processor 12 can be one A central processing unit (English: Central Processing Unit, referred to as: CPU) or specific integrated circuit (English: Application Specific Integrated Circuit, referred to as: ASIC), or be arranged to implement of the invention real Apply one or more integrated circuits of example.Processor 12 is performed the following operations: being carried out to N number of DCI for calling the code Before carrying out layer mapping and precoding processing after rate-matched processing and to N number of DCI, the first DCI is mapped into TTI In the first symbol RE on, wherein the N is integer more than or equal to 1, transmits N number of DCI in the TTI, described First symbol is any symbol in the TTI, and the first DCI includes at least one of described N number of DCI；It is accorded with currently Number time in, the first processing carried out to the RE of first symbol, first processing include: scrambling processing, modulation treatment, Processing in power control processing, layer mapping and precoding processing, the conversion IFFT processing of anti-fast Fourier in addition to second processing, it is described First symbol is any symbol after the current sign, and the second processing is to map to the first DCI described The processing carried out before on the RE of first symbol, after rate-matched processing.

Optionally, the RE for the first symbol that processor 12 is used to map to the first DCI in TTI, comprising: processor 12 It is specifically used for, within the time of the current sign, obtains the first DCI's on the RE of first symbol A part of data；And a part of data for the first DCI that will acquire map on the RE of first symbol.

Optionally, first symbol is next symbol of the current sign.

Optionally, processor 12 is used for after carrying out rate-matched processing to N number of downgoing control signal DCI and to institute It states N number of DCI and carries out layer mapping with before precoding processing, the first DCI is mapped on the RE of the first symbol in TTI, comprising: Processor 12 is specifically used for, and after carrying out rate-matched processing to N number of DCI and carries out layer mapping to N number of DCI Before precoding processing, N number of DCI is mapped on the RE of the TTI.

Optionally, processor 12 is used to carry out after carrying out N number of DCI rate-matched processing and to N number of DCI Before layer mapping and precoding processing, the first DCI is mapped on the RE of the first symbol in TTI, comprising: processor 12 is specific For, will be described before after carrying out rate-matched processing to the N number of DCI and carrying out scrambling processing to N number of DCI First DCI is mapped on the RE of first symbol；

Processor 12 was used within the time of current sign, carried out the first processing to the RE of first symbol, comprising: place Reason device 12 is specifically used for, and within the time of the current sign, carries out scrambling processing, at modulation to the RE of first symbol Reason, power control processing, layer mapping and precoding processing, IFFT processing.

Optionally, processor 12 is used to carry out after carrying out N number of DCI rate-matched processing and to N number of DCI Before layer mapping and precoding processing, the first DCI is mapped on the RE of the first symbol in TTI, comprising: processor 12 is specific For before after carrying out scrambling processing to N number of DCI and being modulated processing to N number of DCI, by described first DCI is mapped on the RE of first symbol；

Processor 12 was used within the time of current sign, carried out the first processing to the RE of first symbol, comprising: place Reason device 12 is specifically used for, and within the time of the current sign, is modulated processing, at power control to the RE of first symbol Reason, layer mapping and precoding processing, IFFT processing.

Optionally, processor 12 is used to carry out after carrying out N number of DCI rate-matched processing and to N number of DCI Before layer mapping and precoding processing, the first DCI is mapped on the RE of the first symbol in TTI, comprising: processor 12 is specific For before carrying out power control processing after being modulated processing to N number of DCI and to N number of DCI, by the first DCI It maps on the RE of first symbol；

Processor 12 was used within the time of current sign, carried out the first processing to the RE of first symbol, comprising: place Reason device 12 is specifically used for, within the time of the current sign, to the RE of first symbol carry out power control processing, layer mapping and Precoding processing, IFFT processing.

Optionally, processor 12 is used to carry out after carrying out N number of DCI rate-matched processing and to N number of DCI Before layer mapping and precoding processing, the first DCI is mapped on the RE of the first symbol in TTI, comprising: processor 12 is specific For, before after carrying out power control processing to N number of DCI and carrying out layer mapping and precoding processing to N number of DCI, First DCI is mapped on the RE of first symbol；

Processor 12 was used within the time of current sign, carried out the first processing to the RE of first symbol, comprising: place Reason device 12 is specifically used for, and within the time of the current sign, carries out at layer mapping and precoding to the RE of first symbol Reason, IFFT processing.

The network equipment of the present embodiment can be used for executing the technical solution of following methods embodiment of the present invention, realize Principle is similar with technical effect, and details are not described herein again.

Fig. 3 is the structural schematic diagram of inventive network apparatus embodiments two, as shown in figure 3, the network equipment of the present embodiment May include: map unit 21 and processing unit 22, wherein map unit 21, for N number of downgoing control signal DCI into Before carrying out layer mapping and precoding processing after scanning frequency rate matching treatment and to N number of DCI, the first DCI is mapped into biography On the resource element RE of the first symbol in defeated time interval TTI, wherein the N is the integer more than or equal to 1, the TTI Middle transmission N number of DCI, first symbol is any symbol in the TTI, and the first DCI includes N number of DCI At least one of；Processing unit 22, for being carried out at first to the RE of first symbol within the time of current sign Reason, first processing include: scrambling processing, modulation treatment, power control processing, layer mapping and precoding processing, anti-fast Fourier The processing in IFFT processing in addition to second processing is converted, first symbol is any symbol after the current sign, The second processing be on the RE that the first DCI is mapped to first symbol before, at the rate-matched The processing carried out after reason.

Optionally, the RE for the first symbol that map unit 21 is used to map to the first DCI in TTI, comprising: mapping is single Member 21 is specifically used for, and within the time of the current sign, obtains described first on the RE of first symbol A part of data of DCI；And a part of data for the first DCI that will acquire map on the RE of first symbol.

Optionally, first symbol is next symbol of the current sign.

Optionally, map unit 21 is used for after carrying out rate-matched processing to N number of downgoing control signal DCI and right Before N number of DCI carries out layer mapping and precoding processing, the first DCI is mapped on the RE of the first symbol in TTI, is wrapped Include: map unit 21 is specifically used for, and after carrying out rate-matched processing to N number of DCI and carries out layer to N number of DCI Before mapping and precoding processing, N number of DCI is mapped on the RE of the TTI.

Optionally, map unit 21 be used for N number of DCI carry out rate-matched processing after and to N number of DCI into Before the mapping of row layer and precoding processing, the first DCI is mapped on the RE of the first symbol in TTI, comprising: map unit 21 It is specifically used for, it, will before after carrying out rate-matched processing to N number of DCI and carrying out scrambling processing to N number of DCI First DCI is mapped on the RE of first symbol；

Processing unit 22 was used within the time of current sign, carried out the first processing to the RE of first symbol, comprising: Processing unit 22 is specifically used for, and within the time of the current sign, carries out scrambling processing, modulation to the RE of first symbol Processing, power control processing, layer mapping and precoding processing, IFFT processing.

Optionally, map unit 21 be used for N number of DCI carry out rate-matched processing after and to N number of DCI into Before the mapping of row layer and precoding processing, the first DCI is mapped on the RE of the first symbol in TTI, comprising: map unit 21 It is specifically used for, it, will be described before after carrying out scrambling processing to N number of DCI and being modulated processing to N number of DCI First DCI is mapped on the RE of first symbol；

Processing unit 22 was used within the time of current sign, carried out the first processing to the RE of first symbol, comprising: Processing unit 22 is specifically used for, and within the time of the current sign, is modulated processing, power control to the RE of first symbol Processing, layer mapping and precoding processing, IFFT processing.

Optionally, map unit 21 be used for N number of DCI carry out rate-matched processing after and to N number of DCI into Before the mapping of row layer and precoding processing, the first DCI is mapped on the RE of the first symbol in TTI, comprising: map unit 21 It is specifically used for, before carrying out power control processing after being modulated processing to N number of DCI and to N number of DCI, by first DCI is mapped on the RE of first symbol；

Processing unit 22 was used within the time of current sign, carried out the first processing to the RE of first symbol, comprising: Processing unit 22 is specifically used for, within the time of the current sign, to the RE of first symbol carries out power control processing, layer reflects It penetrates and precoding processing, IFFT processing.

Optionally, map unit 21 be used for N number of DCI carry out rate-matched processing after and to N number of DCI into Before the mapping of row layer and precoding processing, the first DCI is mapped on the RE of the first symbol in TTI, comprising: map unit 21 It is specifically used for, after carrying out power control processing to N number of DCI and layer mapping and precoding processing is carried out to N number of DCI Before, the first DCI is mapped on the RE of first symbol；

Processing unit 22 was used within the time of current sign, carried out the first processing to the RE of first symbol, comprising: Processing unit 22 is specifically used for, and within the time of the current sign, carries out layer mapping to the RE of first symbol and prelists Code processing, IFFT processing.

Fig. 4 is the flow chart that EPDCCH of the present invention sends processing method embodiment one, as shown in figure 4, the present embodiment is held Row main body is the network equipment, and the method for the present embodiment may include:

S101, layer mapping and precoding are carried out after carrying out rate-matched processing to N number of DCI and to N number of DCI Before processing, the first DCI is mapped on the RE of the first symbol in TTI, wherein the N is the integer more than or equal to 1, N number of DCI is transmitted in the TTI, first symbol is any symbol in the TTI, and the first DCI includes described At least one of N number of DCI.

S102, within the time of current sign, the first processing, the first processing packet are carried out to the RE of first symbol It includes: the place in scrambling processing, modulation treatment, power control processing, layer mapping and precoding processing, IFFT processing in addition to second processing Reason, first symbol are any symbol after the current sign, and the second processing is to map by the first DCI The processing carried out before on to the RE of first symbol, after rate-matched processing.

In the present embodiment, N number of DCI is transmitted in the TTI, i.e., N number of DCI is transmitted in the same TTI, to the N After a DCI carries out rate-matched processing, and before carrying out layer mapping and precoding processing to N number of DCI, the first DCI is reflected It is incident upon on the RE of the first symbol in the TTI for transmitting N number of DCI, which is alternatively referred to as subcarrier maps, wherein this first DCI is the DCI on the RE for need to map to the first symbol, which is any one symbol in 14 symbols of the TTI, Due at least one DCI being mapped in this N number of DCI on the RE of each symbol, at least one DCI in N number of DCI is known as One DCI；After on the RE that the first DCI is mapped to first symbol, in current time, i.e., in the time of the current sign, First processing is carried out to the RE of first symbol, which includes: scrambling processing, modulation treatment, power control processing, layer mapping With in precoding processing, IFFT processing except before on the RE that the first DCI is mapped to first symbol, it is described Processing except the processing carried out after rate-matched processing, first symbol are any symbol after the current sign Number, such as: first symbol is next symbol of current sign, alternatively, first symbol is lower two symbols of current sign Number etc.；The second processing is the processing carried out before subcarrier maps processing, after rate-matched processing.

Optionally, wherein can be by the detailed process on the RE of the first DCI the first symbol mapped in TTI, it need to The first DCI mapped on the RE of the first symbol stores the corresponding position of the RE of first symbol into the memory of the network equipment On.

Optionally, described that rate is being carried out to N number of DCI in the first feasible implementation of the embodiment of the present invention Before carrying out layer mapping and precoding processing after matching treatment and to N number of DCI, the first DCI is mapped in TTI On the RE of first symbol, comprising: scramble after carrying out rate-matched processing to N number of DCI and to N number of DCI Before processing, the first DCI is mapped on the RE of first symbol；It is described within the time of current sign, to described The RE of first symbol carries out the first processing, comprising: within the time of the current sign, adds to the RE of first symbol Disturb processing, modulation treatment, power control processing, layer mapping and precoding processing, IFFT processing.

Specifically, CRC addition processing is carried out to the N number of DCI, CRC adds and covers processing, coded treatment, rate-matched processing Later, the first DCI is mapped on the RE of the first symbol in TTI, then in the first symbol mapped to the first DCI in TTI Number RE on before, the rate-matched processing after carry out processing be nothing, therefore, first processing include: scrambling processing, adjust System processing, power control processing, layer mapping and precoding processing, IFFT processing；To when reach need to the RE of first symbol into When row processing (i.e. the time of current sign), scrambling processing, modulation treatment are carried out, at power control to the RE of first symbol Reason, layer mapping and precoding processing, IFFT processing.The process of this implementation can be as shown in figure 5, be not shown IFFT in Fig. 5 Processing, subcarrier maps processing shown in fig. 5 indicate to map to the first DCI on the RE of the first symbol.

It is described to be carried out to N number of downgoing control signal DCI in second of feasible implementation of the embodiment of the present invention Before carrying out layer mapping and precoding processing after rate-matched processing and to N number of DCI, the first DCI is mapped into TTI In the first symbol RE on, comprising: after carrying out scrambling processing to N number of DCI and N number of DCI is modulated Before processing, the first DCI is mapped on the RE of first symbol；

First processing of RE progress within the time of current sign, to first symbol, comprising: described current In the time of symbol, processing, power control processing, layer mapping and precoding processing, IFFT are modulated to the RE of first symbol Processing.

Specifically, the N number of DCI is carried out CRC addition processing is carried out to N number of DCI, CRC adds and covers processing, at coding After reason, rate-matched processing, scrambling processing, the first DCI is mapped on the RE of first symbol, then by institute State the first DCI map on the RE of first symbol before, the rate-matched processing after carry out processing be scrambling at Reason, therefore, the first processing include: modulation treatment, power control processing, layer mapping and precoding processing, IFFT processing；To when arrival When needing the RE to first symbol to handle (i.e. the time of current sign), the RE of first symbol is modulated Processing, power control processing, layer mapping and precoding processing, IFFT processing.The process of this implementation can be as shown in fig. 6, in Fig. 6 IFFT processing is not shown, subcarrier maps processing shown in fig. 6 indicates to map to the first DCI on the RE of the first symbol.

It is described to be carried out to N number of downgoing control signal DCI in the third feasible implementation of the embodiment of the present invention Before carrying out layer mapping and precoding processing after rate-matched processing and to N number of DCI, the first DCI is mapped into TTI In the first symbol RE on, comprising: carry out power control after being modulated processing to N number of DCI and to the N number of DCI Before processing, the first DCI is mapped on the RE of the first symbol in TTI；

First processing of RE progress within the time of current sign, to first symbol, comprising: described current In the time of symbol, power control processing, layer mapping and precoding processing, IFFT processing are carried out to the RE of first symbol.

Specifically, the N number of DCI is carried out CRC addition processing is carried out to N number of DCI, CRC adds and covers processing, at coding After reason, rate-matched processing, scrambling processing, modulation treatment, the son for carrying out the first DCI to the subcarrier of first symbol is carried Wave mapping, then the processing carried out before subcarrier maps processing, after rate-matched processing is scrambling processing And modulation treatment, therefore, the first processing includes: power control processing, layer mapping and precoding processing, IFFT processing；To when arrival When needing the RE to first symbol to handle (i.e. the time of current sign), power control is carried out to the RE of first symbol Processing, layer mapping and precoding processing, IFFT processing.The process of this implementation can be as shown in fig. 7, be not shown in Fig. 7 IFFT processing, subcarrier maps processing shown in Fig. 7 indicate to map to the first DCI on the RE of the first symbol.

It is described to be carried out to N number of downgoing control signal DCI in the 4th kind of feasible implementation of the embodiment of the present invention Before carrying out layer mapping and precoding processing after rate-matched processing and to N number of DCI, the first DCI is mapped into TTI In the first symbol RE on, comprising: after carrying out power control processing to the N number of DCI and layer is carried out to N number of DCI and is reflected It penetrates with before precoding processing, the first DCI is mapped on the RE of the first symbol in TTI；

First processing of RE progress within the time of current sign, to first symbol, comprising: described current In the time of symbol, layer mapping and precoding processing, IFFT processing are carried out to the RE of first symbol.

Specifically, to the N number of DCI carry out CRC addition processing is carried out to N number of DCI, CRC adds and covers processing, coding After processing, rate-matched processing, scrambling processing, modulation treatment, power control processing, the first DCI is mapped to described first On the RE of symbol, then before on the RE that the first DCI is mapped to first symbol, the rate-matched handle it The processing carried out afterwards is scrambling processing, modulation treatment and power control processing, and therefore, the first processing includes: at layer mapping and precoding Reason, IFFT processing；Thus when reaching needs and handling the RE of first symbol (i.e. the time of current sign), it is right The RE of first symbol carries out layer mapping and precoding processing, IFFT processing.The process of this implementation can with as shown in figure 8, IFFT processing is not shown in Fig. 8, subcarrier maps processing shown in Fig. 8 indicates to map to the first DCI on the RE of the first symbol.

In the present embodiment, after carrying out rate-matched processing to N number of DCI and to the N number of DCI carry out layer mapping and Before precoding processing, the first DCI is mapped on the RE of first symbol, then the RE of first symbol is carried out such as again Upper first processing does not need to complete the N in the TTI in this way before the RE to each symbol carries out IFFT processing IFFT processing could be carried out to the RE of each symbol in this TTI after the layer mapping of a DCI and precoding processing, solve The technical problem of EPDCCH processing delay anxiety.

Fig. 9 is the flow chart that EPDCCH of the present invention sends processing method embodiment two, as shown in figure 9, the present embodiment is held Row main body is the network equipment, and the method for the present embodiment may include:

S201, layer mapping and precoding are carried out after carrying out rate-matched processing to N number of DCI and to N number of DCI Before processing, within the time of current sign, one of the first DCI in the RE of first symbol is obtained Divided data.

Wherein, the N is the integer more than or equal to 1, transmits N number of DCI in the TTI, first symbol is Any symbol in the TTI, the first DCI include at least one of described N number of DCI.

S202, the first DCI that will acquire a part of data map on the RE of first symbol.

In the present embodiment, the RE of S201 and S202 for completing to map to the first DCI into the first symbol；With every in TTI It is respectively processed, is carried out below with one of symbol (hereinafter referred to as the first symbol) in TTI detailed for unit on a symbol Describe in detail bright, other each symbols of TTI are handled referring to the processing mode of the symbol.It is tight in order to solve EPDCCH processing delay The problem of, before the time of first symbol, all processing before just completing the transmission of the RE of first symbol, therefore, It, herein will mapping from determining which DCI needs to map on the RE of first symbol in N number of DCI within the time of current sign All DCI on to the RE of first symbol are known as the first DCI；Since a DCI is mapped on the symbol of TTI, so mapping On each symbol into the symbol of TTI is a portion data of the DCI, so also needing to obtain in the first DCI Which data needs to be mapped on the RE of first symbol.Then a part of data for the first DCI that will acquire again map to On the RE of first symbol.

S203, the first processing of RE progress within the time of the current sign, to first symbol.

It is also right within the time of current sign after the first DCI is mapped to the RE of the first symbol in the present embodiment The RE of first symbol carries out the first processing, and specific implementation process may refer to the correlation in one S102 of embodiment of the present invention method It records, details are not described herein again.

In the first feasible implementation of the embodiment of the present invention, the first symbol is next symbol of current sign Number；Within the time of the last symbol of a upper TTI of above-mentioned TTI, the RE of first symbol of this TTI is executed above-mentioned Then S201-S203 within the time of first symbol of this TTI, executes the RE of second symbol of this TTI above-mentioned S201-S203；And so on, within the time of the 13rd symbol of this TTI, the RE of the 14th symbol of this TTI is held The above-mentioned S201-S203 of row.

In second of feasible implementation of the embodiment of the present invention, the first symbol is lower two symbols of current sign Number；Within the time of the penultimate symbol of a upper TTI of above-mentioned TTI, in the RE execution of first symbol of this TTI State S201-S203；Then, within the time of the last symbol of a upper TTI of above-mentioned TTI, to second symbol of this TTI Number RE execute above-mentioned S201-S203；Then, within the time of first symbol of this TTI, to the third symbol of this TTI RE execute above-mentioned S201-S203；And so on, within the time of the 12nd symbol of this TTI, to the 14th of this TTI the The RE of a symbol executes above-mentioned S201-S203；Within the time of the 13rd symbol of this TTI, to next TTI of this TTI The RE of first symbol execute above-mentioned S201-S203, within the time of the 14th symbol of this TTI, to the next of this TTI The RE of second symbol of a TTI executes above-mentioned S201-S203.

When lower three symbols that the first symbol is current sign, specific implementation procedure is similar with above-mentioned implementation, herein It repeats no more；When lower four symbols that the first symbol is current sign, specific implementation procedure is similar with above-mentioned implementation, herein It repeats no more；When the lower M symbol that the first symbol is current sign, specific implementation procedure is similar with above-mentioned implementation, herein It repeats no more, the M is the integer more than or equal to 1 and less than or equal to 13.

In the present embodiment, after carrying out rate-matched processing to N number of DCI and to the N number of DCI carry out layer mapping and Before precoding processing, within the time of current sign, the first DCI in the RE of first symbol is determined A part of data, and a part of data for the first DCI that will acquire map on the RE of first symbol, then again First processing as described above is carried out to the RE of first symbol, IFFT is carried out in the RE to each symbol in this way and handles it Before, the layer mapping and precoding processing for not needing to complete N number of DCI in the TTI later could be to each symbols in this TTI IFFT processing is carried out, solves the technical problem of EPDCCH processing delay anxiety.

Figure 10 is the flow chart that EPDCCH of the present invention sends processing method embodiment three, as shown in Figure 10, the present embodiment Executing subject is the network equipment, and the method for the present embodiment may include:

S301, layer mapping and precoding are carried out after carrying out rate-matched processing to N number of DCI and to N number of DCI Before processing, N number of DCI is mapped on the RE of TTI.

In the present embodiment, N number of DCI is transmitted on the same TTI, handles it carrying out rate-matched to N number of DCI Before afterwards and carrying out layer mapping and precoding processing to N number of DCI, the subcarrier maps of N number of DCI are carried out to the TTI, i.e., N number of DCI is mapped on the RE of each symbol of the TTI, this execution step is that subcarrier maps are carried out as unit of DCI, That is, a DCI is mapped in the symbol of the TTI on corresponding RE, next DCI is mapped to corresponding in the symbol of the TTI RE on, and so on, until n-th DCI is mapped in the symbol of the TTI on corresponding RE, so as to complete by first DCI is mapped on the RE of the first symbol of the TTI, which is any symbol in the TTI, and the first DCI includes institute State at least one of N number of DCI.It is illustrated by taking a DCI in N number of DCI as an example, as shown in figure 11, the data meeting of the DCI Be divided into nine partial datas, first part's data of the DCI can map to No. 0 RE of the 1st symbol of the TTI, the DCI second Partial data can map to No. 0 RE of the 2nd symbol, the Part III data of the DCI can map to the 3rd symbol No. 0 RE, The Part IV data of the DCI can map to No. 0 RE of the 5th symbol, the Part V data of the DCI can map to the 6th No. 0 RE of symbol, the Part VI data of the DCI can map to the Part VII data meeting of No. 0 RE of the 8th symbol, the DCI The Part VIII data of No. 0 RE, the DCI that map to the 10th symbol can map to No. 0 RE of the 11st symbol, the DCI Part IX data can map on No. 0 RE of the 12nd symbol.

S302, within the time of current sign, to first symbol carry out first processing.

In the present embodiment, the specific implementation process of S302 may refer to the related note in one S102 of embodiment of the present invention method It carries, details are not described herein again.

The present embodiment, by after carrying out rate-matched processing to N number of DCI and carrying out layer to N number of DCI Before mapping and precoding processing, N number of DCI is mapped on the RE of the TTI, then within the time of current sign, First processing is carried out to the RE of first symbol；In this way before the RE to each symbol carries out IFFT processing, do not need It completes that IFFT could be carried out to each symbol in this TTI after the layer mapping and precoding processing of N number of DCI in the TTI Processing, solves the technical problem of EPDCCH processing delay anxiety.

Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above method embodiment can pass through The relevant hardware of program instruction is completed, and program above-mentioned can be stored in a computer readable storage medium, the program When being executed, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned include: read-only memory (English: Read-Only Memory, referred to as: ROM), random access memory (English: Random Access Memory, referred to as: RAM), the various media that can store program code such as magnetic or disk.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution The range of scheme.

Claims

1. a kind of network equipment characterized by comprising memory and processor are stored with enhancing downlink in the memory Physical control channel EPDCCH sends the code of processing method, and the processor is for calling the code to perform the following operations:

After carrying out rate-matched processing to N number of downgoing control signal DCI and layer mapping is carried out to N number of DCI and is prelisted Before code processing, the first DCI is mapped on the resource element RE of the first symbol in Transmission Time Interval TTI, wherein described N is the integer more than or equal to 1, and N number of DCI is transmitted in the TTI, and first symbol is any symbol in the TTI Number, the first DCI includes at least one of described N number of DCI；

Within the time of current sign, the first processing is carried out to the RE of first symbol, first processing includes: at scrambling Reason, modulation treatment, power control processing, layer mapping and precoding processing, anti-fast Fourier conversion IFFT processing in except second processing it Outer processing, first symbol are any symbol after the current sign, and the second processing is by described first DCI map on the RE of first symbol before, the rate-matched processing after carry out processing.

2. the network equipment according to claim 1, which is characterized in that the processor is used to the first DCI mapping to TTI In the first symbol RE on, comprising: the processor is specifically used for, within the time of the current sign, obtain it is to be mapped A part of data of the first DCI on to the RE of first symbol；And a part for the first DCI that will acquire Data map on the RE of first symbol.

3. the network equipment according to claim 2, which is characterized in that first symbol is the next of the current sign A symbol.

4. the network equipment according to claim 1, which is characterized in that the processor is used to control letter to N number of downlink Number DCI is carried out after rate-matched processing and before carrying out floor mapping and precoding processing to N number of DCI, by the first DCI It maps on the RE of the first symbol in TTI, comprising: the processor is specifically used for, and is carrying out rate to N number of DCI With before carrying out layer mapping and precoding processing after processing and to N number of DCI, N number of DCI is mapped into the TTI Each symbol RE on.

5. the network equipment according to any one of claims 1-4, which is characterized in that the processor is used for N number of Before after DCI progress rate-matched processing and carrying out layer mapping and precoding processing to N number of DCI, the first DCI is reflected It is incident upon on the RE of the first symbol in TTI, comprising: the processor is specifically used for, and is carrying out rate-matched to N number of DCI Before carrying out scrambling processing after processing and to N number of DCI, the first DCI is mapped to the RE of first symbol On；

The processor was used within the time of current sign, carried out the first processing to the RE of first symbol, comprising: described Processor is specifically used for, and within the time of the current sign, carries out scrambling processing, at modulation to the RE of first symbol Reason, power control processing, layer mapping and precoding processing, IFFT processing.

6. the network equipment according to any one of claims 1-4, which is characterized in that the processor is used for N number of Before after DCI progress rate-matched processing and carrying out layer mapping and precoding processing to N number of DCI, the first DCI is reflected It is incident upon on the RE of the first symbol in TTI, comprising: the processor is specifically used for, and is carrying out scrambling processing to N number of DCI Before later and being modulated processing to N number of DCI, the first DCI is mapped on the RE of first symbol；

The processor was used within the time of current sign, carried out the first processing to the RE of first symbol, comprising: described Processor is specifically used for, and within the time of the current sign, is modulated processing, at power control to the RE of first symbol Reason, layer mapping and precoding processing, IFFT processing.

7. the network equipment according to any one of claims 1-4, which is characterized in that the processor is used for N number of Before after DCI progress rate-matched processing and carrying out layer mapping and precoding processing to N number of DCI, the first DCI is reflected It is incident upon on the RE of the first symbol in TTI, comprising: the processor is specifically used for, and is being modulated processing to N number of DCI Before later and carrying out power control processing to N number of DCI, the first DCI is mapped on the RE of first symbol；

The processor was used within the time of current sign, carried out the first processing to the RE of first symbol, comprising: described Processor is specifically used for, within the time of the current sign, to the RE of first symbol carry out power control processing, layer mapping and Precoding processing, IFFT processing.

8. the network equipment according to any one of claims 1-4, which is characterized in that the processor is used for N number of Before after DCI progress rate-matched processing and carrying out layer mapping and precoding processing to N number of DCI, the first DCI is reflected It is incident upon on the RE of the first symbol in TTI, comprising: the processor is specifically used for, and is carrying out power control processing to N number of DCI Before later and carrying out layer mapping and precoding processing to N number of DCI, the first DCI is mapped to the RE of first symbol On；

The processor was used within the time of current sign, carried out the first processing to the RE of first symbol, comprising: described Processor is specifically used for, and within the time of the current sign, carries out at layer mapping and precoding to the RE of first symbol Reason, IFFT processing.

9. a kind of network equipment characterized by comprising

Map unit, for N number of downgoing control signal DCI carry out rate-matched processing after and to N number of DCI into Before the mapping of row layer and precoding processing, the first DCI is mapped to the resource element of the first symbol in Transmission Time Interval TTI On RE, wherein the N is the integer more than or equal to 1, transmits N number of DCI in the TTI, first symbol is described Any symbol in TTI, the first DCI include at least one of described N number of DCI；

Processing unit, for carrying out first to the RE of first symbol and handling, at described first within the time of current sign Reason includes: that scrambling processing, modulation treatment, power control processing, layer mapping and precoding processing, anti-fast Fourier are converted in IFFT processing Processing in addition to second processing, first symbol are any symbol after the current sign, and the second processing is The processing carried out before on the RE that the first DCI is mapped to first symbol, after rate-matched processing.

10. the network equipment according to claim 9, which is characterized in that the map unit is for mapping to the first DCI On the RE of the first symbol in TTI, comprising: the map unit is specifically used for, within the time of the current sign, obtain to Map to a part of data of the first DCI on the RE of first symbol；And the one of the first DCI that will acquire Partial data maps on the RE of first symbol.

11. the network equipment according to claim 10, which is characterized in that first symbol is under the current sign One symbol.

12. the network equipment according to claim 9, which is characterized in that the map unit is used to control to N number of downlink Before after signal DCI progress rate-matched processing and carrying out layer mapping and precoding processing to N number of DCI, by first DCI is mapped on the RE of the first symbol in TTI, comprising: the map unit is specifically used for, and is carrying out speed to N number of DCI Before carrying out layer mapping and precoding processing after rate matching treatment and to N number of DCI, N number of DCI is mapped into institute It states on the RE of each symbol of TTI.

13. according to the network equipment described in claim 9-12 any one, which is characterized in that the map unit is used for right Before after N number of DCI progress rate-matched processing and carrying out layer mapping and precoding processing to N number of DCI, by the first DCI It maps on the RE of the first symbol in TTI, comprising: the map unit is specifically used for, and is carrying out rate to N number of DCI Before carrying out scrambling processing after matching treatment and to N number of DCI, the first DCI is mapped into first symbol On RE；

The processing unit was used within the time of current sign, carried out the first processing to the RE of first symbol, comprising: institute It states processing unit to be specifically used for, within the time of the current sign, scrambling processing, modulation is carried out to the RE of first symbol Processing, power control processing, layer mapping and precoding processing, IFFT processing.

14. according to the network equipment described in claim 9-12 any one, which is characterized in that the map unit is used for right Before after N number of DCI progress rate-matched processing and carrying out layer mapping and precoding processing to N number of DCI, by the first DCI It maps on the RE of the first symbol in TTI, comprising: the map unit is specifically used for, and scrambles to N number of DCI Before being modulated processing after processing and to N number of DCI, the first DCI is mapped to the RE of first symbol On；

The processing unit was used within the time of current sign, carried out the first processing to the RE of first symbol, comprising: institute It states processing unit to be specifically used for, within the time of the current sign, processing, power control is modulated to the RE of first symbol Processing, layer mapping and precoding processing, IFFT processing.

15. according to the network equipment described in claim 9-12 any one, which is characterized in that the map unit is used for right Before after N number of DCI progress rate-matched processing and carrying out layer mapping and precoding processing to N number of DCI, by the first DCI It maps on the RE of the first symbol in TTI, comprising: the map unit is specifically used for, and is modulated to N number of DCI Before carrying out power control processing after processing and to N number of DCI, the first DCI is mapped on the RE of first symbol；

The processing unit was used within the time of current sign, carried out the first processing to the RE of first symbol, comprising: institute It states processing unit to be specifically used for, within the time of the current sign, to the RE of first symbol carries out power control processing, layer reflects It penetrates and precoding processing, IFFT processing.

16. according to the network equipment described in claim 9-12 any one, which is characterized in that the map unit is used for right Before after N number of DCI progress rate-matched processing and carrying out layer mapping and precoding processing to N number of DCI, by the first DCI It maps on the RE of the first symbol in TTI, comprising: the map unit is specifically used for, and is carrying out power control to N number of DCI Before carrying out layer mapping and precoding processing after processing and to N number of DCI, the first DCI is mapped into first symbol RE on；

The processing unit was used within the time of current sign, carried out the first processing to the RE of first symbol, comprising: institute It states processing unit to be specifically used for, within the time of the current sign, layer mapping is carried out to the RE of first symbol and is prelisted Code processing, IFFT processing.

17. a kind of enhancing downlink physical control channel EPDCCH sends processing method characterized by comprising

18. according to the method for claim 17, which is characterized in that first symbol mapped to the first DCI in TTI RE on, comprising:

Within the time of the current sign, one of the first DCI on the RE of first symbol is obtained Divided data；

19. according to the method for claim 18, which is characterized in that first symbol is the next of the current sign Symbol.

20. according to the method for claim 17, which is characterized in that carrying out rate-matched to N number of downgoing control signal DCI Before carrying out layer mapping and precoding processing after processing and to N number of DCI, the first DCI is mapped to first in TTI On the RE of symbol, comprising:

After carrying out rate-matched processing to the N number of DCI and to N number of DCI carry out layer mapping and precoding processing it Before, N number of DCI is mapped on the RE of each symbol of the TTI.

21. method described in 7-20 any one according to claim 1, which is characterized in that described to carry out rate to N number of DCI Before carrying out layer mapping and precoding processing after matching treatment and to N number of DCI, the first DCI is mapped in TTI On the RE of first symbol, comprising:

It, will be described before after carrying out rate-matched processing to N number of DCI and carrying out scrambling processing to N number of DCI First DCI is mapped on the RE of first symbol；

Within the time of the current sign, to the RE of first symbol carry out scrambling processing, modulation treatment, power control processing, Layer mapping and precoding processing, IFFT processing.

22. method described in 7-20 any one according to claim 1, which is characterized in that described to carry out rate to N number of DCI Before carrying out layer mapping and precoding processing after matching treatment and to N number of DCI, the first DCI is mapped in TTI On the RE of first symbol, comprising:

Before after carrying out scrambling processing to N number of DCI and being modulated processing to N number of DCI, by described first DCI is mapped on the RE of first symbol；

Within the time of the current sign, processing, power control processing, layer mapping and pre- are modulated to the RE of first symbol Coded treatment, IFFT processing.

23. method described in 7-20 any one according to claim 1, which is characterized in that described to carry out rate to N number of DCI Before carrying out layer mapping and precoding processing after matching treatment and to N number of DCI, the first DCI is mapped in TTI On the RE of first symbol, comprising:

Before carrying out power control processing after being modulated processing to N number of DCI and to N number of DCI, the first DCI is reflected It is incident upon on the RE of first symbol；

Within the time of the current sign, to the RE of first symbol carry out power control processing, layer mapping and precoding processing, IFFT processing.

24. method described in 7-20 any one according to claim 1, which is characterized in that described to carry out rate to N number of DCI Before carrying out layer mapping and precoding processing after matching treatment and to N number of DCI, the first DCI is mapped in TTI On the RE of first symbol, comprising:

Before after carrying out power control processing to N number of DCI and carrying out layer mapping and precoding processing to N number of DCI, First DCI is mapped on the RE of first symbol；

Within the time of the current sign, layer mapping and precoding processing, IFFT processing are carried out to the RE of first symbol.