CN108429610A

CN108429610A - A kind of Physical Broadcast Channel transmission method, equipment and system

Info

Publication number: CN108429610A
Application number: CN201810167978.5A
Authority: CN
Inventors: 夏金环; 余政
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2012-11-27
Filing date: 2012-11-27
Publication date: 2018-08-21
Anticipated expiration: 2032-11-27
Also published as: CN103840932A; CN103840932B; CN108429610B; WO2014082575A1

Abstract

The invention discloses a kind of Physical Broadcast Channel transmission method, equipment and systems, are related to the communications field, can improve the PBCH signal strengths that user equipment receives, and improve communication quality.The Physical Broadcast Channel transmission method, including：PBCH data are divided into n PBCH data sectional, the n=2^x, the x is the integer more than or equal to 0；At least 2 repetitions of m-th of PBCH data sectional are mapped on the default resource location in default PBCH, 1≤m≤n, the default PBCH is provided with 2^yA radio frames, y >=x.The present invention is used for the data transmission of Physical Broadcast Channel.

Description

A kind of Physical Broadcast Channel transmission method, equipment and system

Technical field

The present invention relates to a kind of communications field more particularly to Physical Broadcast Channel transmission method, equipment and systems.

Background technology

Currently, the structure of radio frames is：One radio frames includes 10 subframes, and each subframe includes 2 time slots, usual feelings Under condition, time slot in 10 subframes is according to No. 0, No. 1, No. 2 ..., No. 19, and No. 20 numbers indicate, that is to say, that at one 0 work song frame is made of No. 0 time slot and No. 1 time slot in radio frames, and 1 work song frame is made of No. 2 time slots and No. 3 time slots ..., 9 work songs Frame is made of No. 19 time slots and No. 20 time slots.

In OFDM (Orthogonal Frequency Division Multiplexing, orthogonal frequency division multiplexing) system In, it will usually increase protection interval or CP (Cyclic Prefix, cyclic prefix) before each ofdm symbol to eliminate signal The intersymbol interference that brings of multipath.Two kinds of CP length defined in LTE：One is common CP, another kind is extension CP.When Increased when being common CP before OFDM symbol, the time slot of the subframe of corresponding radio frames includes 7 OFDM symbols, when OFDM is accorded with Before number when the increased CP for extension, the time slot of the subframe of corresponding radio frames includes 6 OFDM symbols.

In the prior art, the transmission method of PBCH (Physical Broadcast Channel, Physical Broadcast Channel) is： Since the Transmission Time Interval of existing PBCH is 40ms, i.e., a transmission cycle includes 4 radio frames, therefore in the time domain, PBCH data are divided into 4 sections by base station, the corresponding subframe of 4 radio frames being sent to successively respectively in a transmission cycle On.Exemplary, in No. 1, No. 2, No. 3 and No. 4 radio frames, in time domain, 4 data sectionals of PBCH are mapped in by base station respectively In preceding 4 OFDM symbols of No. 1 time slot of 0 work song frame in each radio frames；On frequency domain, 6 PRB of carrier center are accounted for The frequency domain length of (Physical ResourceBlock, Physical Resource Block) maps successively according to the sequence of time domain after first frequency domain. It should be noted that 1 PRB occupies 1 time slot in the time domain, it is made of 12 subcarriers on frequency domain.But by existing When method in technology carries out Physical Broadcast Channel transmission, the larger user of the user equipment or link load of room located underground The PBCH signals that equipment receives can be decayed, therefore the PBCH signal strengths that user equipment receives are relatively low, communication quality It is poor.

Invention content

An embodiment of the present invention provides a kind of Physical Broadcast Channel transmission method, equipment and systems, can improve user and set The standby PBCH signal strengths received, improve communication quality.

In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that：

In a first aspect, an embodiment of the present invention provides a kind of Physical Broadcast Channel PBCH transmission methods, including：

PBCH data are divided into n PBCH data sectional, the n=2^x, the x is the integer more than or equal to 0；

At least 2 repetitions of m-th of PBCH data sectional are mapped on the default resource location in default PBCH, 1≤m≤ N, the default PBCH are provided with 2^yA radio frames, y >=x.

It is described by m-th of PBCH data sectional at least 2 times in the first possible realization method with reference to first aspect Include on the default resource location that repetition is mapped in default PBCH：

M-th of PBCH data sectionals at least 2 repetitions are mapped in the default PBCH the pre- of m-th radio frames If on resource location.

In second of possible realization method with reference to first aspect, the x=y is described by m-th of PBCH data point Section at least 2 repetitions are mapped in the default PBCH includes on the default resource location of m-th of radio frames：

M-th of PBCH data sectionals are mapped in the default PBCH in m-th of radio frames No. 0 to 9 work song frames In each subframe default orthogonal frequency division multiplex OFDM symbol on.

With reference to first aspect or the first possible realization method of first aspect, in the third possible realization method In, the default resource-niche that at least 2 repetitions of m-th of PBCH data sectional are mapped in m-th of radio frames in default PBCH Set including：

By m-th of PBCH data sectionals in the default PBCH in m-th of radio frames No. 0 to every in 9 work song frames Mapping 2 times is at least repeated in the default OFDM symbol of a subframe.

In the 4th kind of possible realization method with reference to first aspect, the x ＜ y；It is described to divide m-th of PBCH data Section at least 2 repetitions, which are mapped on the default resource location in default PBCH, includes：

M-th of PBCH data sectionals are mapped in the default resource location of m-th of radio frames in the default PBCH On；

M-th of PBCH data sectionals are mapped in the default resource location of p-th of radio frames in the default PBCH On, the p=m+2^x× t, the t are integer, 1≤t≤2^y-x-1。

Second aspect, the embodiment of the present invention additionally provide a kind of Physical Broadcast Channel PBCH transmission methods, including：

It is at least repeated 2 times on default resource location in default PBCH and receives m-th of PBCH data sectional, it is described default PBCH is provided with 2^yA radio frames；

Wherein, m-th of PBCH data sectionals are any one in the n PBCH data sectional that PBCH data are divided into Section, n=2^x, the x is the integer more than or equal to 0,1≤m≤n, y >=x.

In the first the possible realization method for combining second aspect, the x=y is described pre- in default PBCH Include if being at least repeated 2 times reception m-th of PBCH data sectionals on resource location：

It is at least repeated 2 times and receives described m-th on the default resource location of m-th of radio frames in the default PBCH PBCH data sectionals.

In second of possible realization method for combining second aspect, m-th radio frames in default PBCH M-th of PBCH data sectional of reception is at least repeated 2 times on default resource location includes：

No. 0 default orthogonal frequency division multiplexing to each subframe in 9 work song frames in m-th of radio frames in the default PBCH M-th of PBCH data sectionals are received in OFDM symbol.

In the third the possible realization method for combining second aspect, m-th radio frames in default PBCH M-th of PBCH data sectional of reception is at least repeated 2 times on default resource location includes：

In the default PBCH in m-th of radio frames No. 0 default OFDM symbol to each subframe in 9 work song frames up to Few 2 repetitions receive m-th of PBCH data sectionals.

In the 4th kind of possible realization method for combining second aspect, the x ＜ y；It is described pre- in default PBCH Include if being at least repeated 2 times m-th of PBCH data sectional of reception on resource location：

M-th of PBCH data sectionals are received on the default resource location of m-th of radio frames in the default PBCH；

M-th of PBCH data sectionals are received on the default resource location of p-th of radio frames in the default PBCH, The p=m+2^x× t, the t are integer, 1≤t≤2^y-x-1。

The third aspect, an embodiment of the present invention provides a kind of base stations, including：

Segmenting unit, for PBCH data to be divided into n PBCH data sectional, n=2^x, the x is whole more than or equal to 0 Number；

First map unit, it is default in default PBCH at least 2 repetitions of m-th of PBCH data sectional to be mapped in On resource location, 1≤m≤n, the default PBCH is provided with 2^yA radio frames, y >=x.

In the first the possible realization method for combining the third aspect, when the x=y, first map unit is also For：

In second of possible realization method for combining the third aspect, the base station further includes：

Second map unit, for by m-th of PBCH data sectionals be mapped in the default PBCH m-th it is wireless In frame No. 0 in 9 work song frames on the default orthogonal frequency division multiplex OFDM symbol of each subframe.

In the third the possible realization method for combining the third aspect, second map unit is additionally operable to：

In the 4th kind of possible realization method for combining the third aspect, when the x ＜ y, first map unit is also For：

Fourth aspect, an embodiment of the present invention provides a kind of user equipmenies, including：

First receiving unit is at least repeated 2 times on the default resource location in default PBCH and receives m-th of PBCH Data sectional, the default PBCH are provided with 2^yA radio frames；

In the first the possible realization method for combining fourth aspect, when the x=y, first receiving unit is also For：

In second of possible realization method for combining fourth aspect, the user equipment further includes：

Second receiving unit, for No. 0 in m-th of radio frames in the default PBCH to each subframe in 9 work song frames Default orthogonal frequency division multiplex OFDM symbol on receive m-th of PBCH data sectionals.

In the third the possible realization method for combining fourth face, second receiving unit is additionally operable to：

In the 4th kind of possible realization method for combining fourth aspect, first receiving unit is additionally operable to：

5th aspect, an embodiment of the present invention provides a kind of Physical Broadcast Channel Transmission systems, including：

Base station described in any of the above；

And the user equipment described in any of the above.

6th aspect, an embodiment of the present invention provides a kind of Physical Broadcast Channel transmission methods, including：

PBCH data are divided into n PBCH data sectional, the n=2^x, the x is the integer more than 2；

M-th of PBCH data sectional is mapped on the default resource location in default PBCH, 1≤m≤n, it is described default PBCH is provided with 2^yA radio frames, y=x.

7th aspect, the embodiment of the present invention additionally provide a kind of Physical Broadcast Channel transmission method, including：

M-th of PBCH data sectional is received on default resource location in default PBCH, the default PBCH is provided with 2^yA radio frames；

Wherein, m-th of PBCH data sectionals are any one in the n PBCH data sectional that PBCH data are divided into Section, n=2^x, the x is the integer more than 2,1≤m≤n, y=x.

Eighth aspect, an embodiment of the present invention provides a kind of base stations, including：

Segmenting unit, for PBCH data to be divided into n PBCH data sectional, the n=2^x, the x is whole more than 2 Number；

First map unit, for m-th of PBCH data sectional to be mapped in the default resource location in default PBCH, 1≤m≤n, the default PBCH are provided with 2^yA radio frames, y=x.

9th aspect, an embodiment of the present invention provides a kind of user equipmenies, including：

First receiving unit receives m-th of PBCH data sectional, institute on the default resource location in default PBCH It states default PBCH and is provided with 2^yA radio frames；

Tenth aspect, an embodiment of the present invention provides a kind of Physical Broadcast Channel Transmission systems, including：

Base station described in the above eighth aspect；

And the user equipment described in above 9th aspect.

An embodiment of the present invention provides a kind of Physical Broadcast Channel PBCH transmission methods, equipment and systems, including：By PBCH Data are divided into n PBCH data sectional, the n=2^x, the x is the integer more than or equal to 0；By m-th of PBCH data sectional At least 2 repetitions are mapped on the default resource location in default PBCH, 1≤m≤n, and the default PBCH is provided with 2^yA nothing Line frame, y >=x.So, in the embodiment of the present invention base station at least 2 repetitions of m-th of PBCH data sectional are mapped in it is default On default resource location in PBCH, and in the prior art, m-th of PBCH data sectional is directly mapped in default PBCH by base station In m-th of radio frames 0 work song frame No. 1 time slot preceding 4 OFDM symbols on, compared with prior art, the present invention PBCH The mapping number of data sectional increases, the PBCH signal strengths enhancing that user equipment receives, therefore improves communication quality.

Further, an embodiment of the present invention provides a kind of Physical Broadcast Channel transmission method, equipment and systems, including： PBCH data are divided into n PBCH data sectional, the n=2^x, the x is the integer more than 2；By m-th of PBCH data point Section is mapped on the default resource location in default PBCH, and 1≤m≤n, the default PBCH is provided with 2^yA radio frames, y=x. So, PBCH data are divided into n PBCH data sectional, the n=2 by base station in the embodiment of the present invention^x, the x is big In 2 integer, the data sectional of PBCH is increased；The default resource m-th of PBCH data sectional being mapped in default PBCH On position, 1≤m≤n, the default PBCH is provided with 2^yA radio frames, increase the length of PBCH data sectionals mapping, and show Have in technology, 4 data sectionals have been divided PBCH data in base station, and 4 PBCH data sectionals are directly mapped in 4 in default PBCH In preceding 4 OFDM symbols of No. 1 time slot of 0 work song frame of a radio frames, compared with prior art, the present invention PBCH data point The number of section increases, and the length of PBCH data sectionals mapping increases, and the probability for the PBCH signals that user equipment receives increases, because This improves communication quality.

Description of the drawings

Fig. 1 is PBCH resource mapping methods figure in the prior art；

Fig. 2 is a kind of Physical Broadcast Channel transmission method flow chart that the embodiment of the present invention 1 provides；

Fig. 3 is a kind of PBCH resource mapping methods figure that the embodiment of the present invention 1 provides；

Fig. 4 is another PBCH resource mapping methods figure that the embodiment of the present invention 1 provides；

Fig. 5 is another PBCH resource mapping method figure that the embodiment of the present invention 1 provides；

Fig. 6 is another PBCH resource mapping method figure that the embodiment of the present invention 1 provides；

Fig. 7 is another PBCH resource mapping method figure that the embodiment of the present invention 1 provides；

Fig. 8 is another Physical Broadcast Channel transmission method flow chart that the embodiment of the present invention 1 provides；

Fig. 9 is a kind of base station block diagram that the embodiment of the present invention 2 provides；

Figure 10 is another base station block diagram that the embodiment of the present invention 2 provides；

Figure 11 is a kind of user equipment block diagram that the embodiment of the present invention 2 provides；

Figure 12 is another user equipment block diagram that the embodiment of the present invention 2 provides；

Figure 13 is a kind of Physical Broadcast Channel Transmission system figure that the embodiment of the present invention 3 provides；

Figure 14 is another base station block diagram that the embodiment of the present invention 3 provides；

Figure 15 is another user equipment block diagram that the embodiment of the present invention 3 provides；

Figure 16 is a kind of Physical Broadcast Channel transmission method flow chart that the embodiment of the present invention 4 provides；

Figure 17 is a kind of PBCH resource mapping methods figure that the embodiment of the present invention 4 provides；

Figure 18 is another Physical Broadcast Channel transmission method flow chart that the embodiment of the present invention 4 provides；

Figure 19 is a kind of base station block diagram that the embodiment of the present invention 5 provides；

Figure 20 is a kind of user equipment block diagram that the embodiment of the present invention 5 provides；

Figure 21 is a kind of Physical Broadcast Channel Transmission system figure that the embodiment of the present invention 5 provides；

Figure 22 is another base station block diagram that the embodiment of the present invention 5 provides；

Figure 23 is another user equipment block diagram that the embodiment of the present invention 3 provides.

Specific implementation mode

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

In the prior art, PBCH data are scrambled, carry out resource impact after the processing such as layer mapping and precoding, the resource Mapping mode is as shown in Figure 1, since the Transmission Time Interval of existing PBCH is 40ms, i.e., a transmission cycle includes 4 nothings PBCH data are divided into 4 data sectionals by line frame, therefore in the time domain, base station, respectively the 1st PBCH data sectionals A, 2nd PBCH data sectionals B, the 3rd PBCH data sectionals C and the 4th PBCH data sectionals D, 4 data sectionals are in frequency The frequency domain length of 6 PRB of carrier center is accounted on domain, wherein carrier center refers to the center frequency point position of carrier wave, described 4 Data sectional specific mapping mode on frequency domain is：It is reflected to the both sides position of carrier center since the frequency point position of carrier center It penetrates, for example is 6 PRB in the embodiment of the present invention, when mapping up maps 3 PRB since the frequency point position of carrier center, past 3 PRB of lower mapping.When carrying out resource impact, 4 data sectionals map successively according to the sequence of first frequency domain time domain again, And avoid the resource location of cell reference signals occupancy, wherein cell reference signals include：CRS(Cell Reference Signal, cell reference signals), PSS (Primary Synchronization Signal, primary synchronization signal) and SSS (Secondary Synchronization Signal, secondary synchronization signal).

1st PBCH data sectionals A is mapped to first 4 of No. 1 time slot of 0 work song frame of the 1st radio frames 10 by base station In OFDM symbol, the 2nd PBCH data sectionals B is mapped to first 4 of No. 1 time slot of 0 work song frame of the 2nd radio frames 20 In OFDM symbol, the 3rd PBCH data sectionals C is mapped to first 4 of No. 1 time slot of 0 work song frame of the 3rd radio frames 30 In OFDM symbol, the 4th PBCH data sectionals D is mapped to first 4 of No. 1 time slot of 0 work song frame of the 4th radio frames 40 In OFDM symbol.

It should be noted that Fig. 1 in 0 work song frame frequency domain in the 1st radio frames for 1 PRB frequency domain length, in time domain For resource mapping method for the region N of 1 subframe, region N includes 2 PRB, and base station is by the 1st PBCH data sectionals A It is mapped on preceding 4 OFDM symbol 1011a of No. 1 time slot 1011 of 0 work song frame 101 of the 1st radio frames 10, similarly the 2nd The resource impact side of PBCH data sectionals B, the 3rd PBCH data sectionals C and the 4th PBCH data sectionals D in corresponding region Formula is identical as the 1st resource mapping methods of the PBCH data sectionals A in the N of region, and which is not described herein again.

Particularly, straight line a indicates carrier center, and vertical fringe area is expressed as the PBCH mapped on PBCH in the N of region Data sectional, black region are the CRS in 0 work song frame, 101 structure, and first row inclined stripe region indicates PSS, secondary series inclined stripe Region indicates SSS.

It should be noted that it is common CP, i.e., corresponding nothing that the present invention is increased before being the OFDM symbol in embodiment The time slot of the subframe of line frame includes 7 OFDM symbols.

Embodiment 1：

An embodiment of the present invention provides a kind of Physical Broadcast Channel transmission methods, are related to base station side, as shown in Fig. 2, packet It includes：

201, PBCH data are divided into n PBCH data sectional, the n=2 by base station^x, the x is whole more than or equal to 0 Number.

202, at least 2 repetitions of m-th of PBCH data sectional are mapped in the default resource in default PBCH by the base station On position, 1≤m≤n.

The default PBCH is provided with 2^yA radio frames, wherein y >=x.The knot of default PBCH provided in an embodiment of the present invention Structure can be same as the prior art, i.e., default PBCH includes 4 radio frames, y=2；It can also be such as default unlike the prior art PBCH includes 8 radio frames, y=3.

In the prior art, m-th of PBCH data sectional is directly mapped in 0 of m-th of radio frames in default PBCH by base station In preceding 4 OFDM symbols of No. 1 time slot of work song frame, and base station is by m-th of PBCH data sectional at least 2 in the embodiment of the present invention Secondary repetition is mapped on the default resource location in default PBCH, compared with prior art, the mapping number of PBCH data sectionals Increase, the PBCH signal strengths enhancing that user equipment receives, therefore improves communication quality.

Wherein, each radio frames include No. 0 to 9 work song frames totally 10 subframes, and as x=y, i.e., PBCH data are divided into When the number of PBCH data sectionals is equal with the radio frames number of default PBCH, base station can be by m-th of PBCH data sectional extremely Few 2 repetitions are mapped in default PBCH on the default resource location of m-th of radio frames.Specifically, base station can be by the m A PBCH data sectionals are mapped in the default PBCH in m-th of radio frames No. 0 to the above subframe of any two in 9 work song frames Default OFDM symbol on, particularly, m-th of PBCH data sectionals can be mapped in the default PBCH by base station In m radio frames No. 0 in 9 work song frames in the default OFDM symbol of each subframe, i.e., the described PBCH data sectionals with it is described pre- If there are correspondences for the radio frames in PBCH.It is exemplary, it is assumed that x=2, i.e., default PBCH includes 4 radio frames, and described PBCH data are divided into 4 PBCH data sectionals.As shown in figure 3, the default OFDM symbol can be each in default PBCH Preceding 4 OFDM symbols of No. 1 time slot of 0 work song frame in radio frames.As shown in figure 4, the default OFDM symbol may be pre- If rear 2 OFDM symbols of No. 0 time slot of 0 work song frame and preceding 2 OFDM symbols of No. 1 time slot in each radio frames in PBCH. Particularly, Fig. 3 and Fig. 4 is for 1 PRB frequency domain length, in time domain to be 1 son in 0 work song frame frequency domain in the 1st radio frames For the resource mapping method of the region N of frame, region N includes 2 PRB, exemplary, and in Fig. 3, base station is by the 1st PBCH number The preceding 4 OFDM symbol 1011a for repeating to be mapped to No. 1 time slot 1011 of 0 work song frame 101 of the 1st radio frames 10 according to segmentation A On, similarly the 2nd PBCH data sectionals B, the 3rd PBCH data sectionals C and the 4th PBCH data sectionals D are in corresponding region Resource mapping method it is identical as the 1st resource mapping methods of the PBCH data sectionals A in the N of region, which is not described herein again.

0 work song frame exemplary in Fig. 4, that base station repeats the 1st PBCH data sectionals A to be mapped to the 1st radio frames 10 On preceding 2 OFDM symbol 1012a of rear 2 OFDM symbol 1011a of 101 No. 0 time slot 1011 and No. 1 time slot 1012, similarly The resource of 2nd PBCH data sectionals B, the 3rd PBCH data sectionals C and the 4th PBCH data sectionals D in corresponding region is reflected It is identical as the 1st resource mapping methods of the PBCH data sectionals A in the N of region to penetrate mode, which is not described herein again.

It should be noted that No. 0 default OFDM to each subframe in 9 work song frames is accorded in each radio frames in default PBCH Number position can be different, depending on the setting of position is by the concrete condition of practical application, for example, the 1st PBCH data sectional No. 0 first 4 in 9 work song frames No. 1 time slot of each subframe can be mapped in the default PBCH in the 1st radio frames In OFDM symbol, and the 2nd PBCH data sectional can be mapped in the default PBCH in the 2nd radio frames No. 0 to 9 work songs In frame in rear 2 OFDM symbols of No. 0 time slot of each subframe and preceding 2 OFDM symbols of No. 1 time slot.Particularly, in reality In, preceding 4 OFDM symbols of No. 0 time slot of each subframes of default PBCH may be accounted for by the signal of other non-PBCH data With, such as PDCCH (Physical Downlink Control Channel, down control channel), therefore the default resource Position can not include preceding 4 OFDM symbols of No. 0 time slot of each subframe, but when No. 0 time slot of each subframes of default PBCH Preceding 4 OFDM symbols when not occupied by the signal of other non-PBCH data, the default resource location can also include every Preceding 4 OFDM symbols of No. 0 time slot of a subframe, any one skilled in the art the invention discloses technology It in range, can easily think of the change or the replacement, therefore this is no longer described in detail in the present invention.

Particularly, the position of above-mentioned default OFDM symbol setting can be close proximity to the position of CRS, so can be with Be conducive to the demodulation of PBCH data, demodulation refers to that the data sectional of transmission is identified in noisy channel.

Further, each PBCH data sectionals can also repeat to map in the subframe of the same radio frames, you can With by m-th of PBCH data sectionals in the default PBCH in m-th of radio frames No. 0 to each subframe in 9 work song frames Default OFDM symbol at least repeat mapping 2 times.The mapping number of PBCH data sectionals, phase can be further improved in this way It answers, the PBCH signal strengths enhancing that user equipment receives, therefore improves communication quality.Assuming that x=2, i.e., default PBCH Including 4 radio frames, and the PBCH data are divided into 4 PBCH data sectionals.As shown in figure 5, the embodiment of the present invention is with the 3rd For a PBCH data sectionals, i.e. m=3, then base station the 3rd PBCH data sectionals C can be mapped in for the 1st time described default In PBCH in the 3rd radio frames 30 No. 0 in 9 work song frames on the default OFDM symbol 5011a of each subframe, default OFDM symbols Number 5011a is preceding 4 OFDM symbols of No. 1 time slot of each subframe, and the 2nd repetition of the 3rd PBCH data sectionals C is reflected No. 0 is penetrated in the default PBCH in the 3rd radio frames 30 in 9 work song frames on the default OFDM symbol 5011b of each subframe, The default OFDM symbol 5011b is rear 3 OFDM symbols of No. 0 time slot of each subframe and the 5th OFDM symbols of No. 1 time slot Number.

As shown in fig. 6, the embodiment of the present invention still by taking the 3rd PBCH data sectional as an example, i.e. m=3, then base station can be by 3 PBCH data sectionals C be mapped in the default PBCH for the 1st time in the 3rd radio frames 30 No. 0 in 9 work song frames per height On the default OFDM symbol 6011a of frame, which is rear 2 OFDM symbols of No. 0 time slot of each subframe With preceding 2 OFDM symbols of No. 1 time slot, the 2nd repetition of the 3rd PBCH data sectionals C is mapped in the default PBCH In in the 3rd radio frames 30 No. 0 in 9 work song frames on the default OFDM symbol 6011b of each subframe, the default OFDM symbol 6011b is the 5th OFDM symbol of No. 0 time slot of each subframe and the 3rd to 5 OFDM symbol of No. 1 time slot.Particularly, Fig. 5 With Fig. 6 to be the region N of 1 subframe for 1 PRB frequency domain length, in time domain in 0 work song frame frequency domain in the 3rd radio frames Resource mapping method for, region N include 2 PRB.

Further, as the x ＜ y, the data sectional number of PBCH is less than the number of the radio frames in default PBCH, The PBCH transmission methods include：M-th of PBCH data sectional is mapped in the default resource of m-th of radio frames in default PBCH On position；With the default resource location that m-th of PBCH data sectionals are mapped in p-th of radio frames in the default PBCH On, the p=m+2x × t, the t are integer, 1≤t≤2^y-x-1.The i.e. same data sectional can be mapped in different nothings In line frame.

Exemplary, if PBCH data are divided into 4 PBCH data sectionals, i.e. x=2, it includes 8 radio frames, i.e. y to preset PBCH =3.Then m-th of PBCH data sectional is mapped in default PBCH on the default resource location of m-th of radio frames；With will be described M-th of PBCH data sectional is mapped in the default PBCH on the default resource location of the m+4 radio frames.I.e. m-th PBCH data sectionals can be mapped in simultaneously on the default resource location of m-th of radio frames and the default money of the m+4 radio frames On source position, at least 2 times mappings are formed.

The structure of common PBCH includes 4 radio frames, i.e. the Transmission Time Interval of y=2, PBCH is 40ms, i.e., one Transmission cycle includes 4 radio frames, and in the embodiment of the present invention, base station can be one longer week of mapping definition of PBCH data Phase, that is, the number for presetting the radio frames in PBCH are more than 4, y ＞ 3, correspondingly, Transmission Time Interval of the default PBCH is (40 × 2y-x) ms, if when y=3, the Transmission Time Interval for presetting PBCH is 80ms, i.e., a transmission cycle includes 8 radio frames, It should be noted that if a transmission cycle of default PBCH includes 2^yWhen a radio frames, the MIB of the default PBCH carryings The SFN (System Frame Number, System Frame Number) for including in (Master Information Block, Master Information Block) It is the height (2 of the SFN carried in PBCH in the prior art^y- y) position, extra bit is y, which can be with It is stuffed entirely with as known bit, such as full 0, or is defaulted as idle bit, while including downlink bandwidth instruction information (3 ratios It is special), can also include PHICH channel configuration informations (3 bit) and idle bit.It is exemplary, if a transmission of default PBCH When period includes 8 radio frames, in the MIB (Master Information Block, Master Information Block) of the default PBCH carryings Including SFN (System Frame Number, System Frame Number) be the SFN carried in PBCH in the prior art height (8-3) Position, i.e., 5, extra bit is 3, which can be stuffed entirely with as known bit, such as full 0, or It is defaulted as idle bit, while including downlink bandwidth instruction information (3 bit), can also include PHICH channel configuration informations (3 Bit) and idle bit.

If PBCH data are divided into 4 PBCH data sectionals, i.e. x=2, when to preset PBCH include 8 radio frames, i.e. y=3, Then this period is 2 times of the period of PBCH data mapping mode in the prior art, can be with as shown in fig. 7, in 8 radio frames No. 0 to 9 work song frames in each subframe No. 1 time slot on repeat to send corresponding PBCH data sectionals, so, to need The user equipment to be enhanced defines new channel and new resource location, and user equipment is received according to new resource mapping method PBCH channel informations.The predefined resource location for sending PBCH data sectionals is increased in each radio frames, relatively Flexibility and the resource utilization of scheduling are provided in the prior art.

As shown in fig. 7, PBCH data are divided into 4 data sectionals by base station, respectively the 1st PBCH data sectionals A, 2nd PBCH data sectionals B, the 3rd PBCH data sectionals C and the 4th PBCH data sectional D, base station is by the 1st PBCH data Segmentation A is mapped to 0 with the 5th radio frames in preceding 4 OFDM symbols of No. 1 time slot of 0 work song frame of the 1st radio frames simultaneously In preceding 4 OFDM symbols of No. 1 time slot of work song frame, the 2nd PBCH data sectionals B is mapped to 0 work song of the 2nd radio frames In preceding 4 OFDM symbols of No. 1 time slot of frame and in preceding 4 OFDM symbols of No. 1 time slot of 0 work song frame of the 6th radio frames, 3rd PBCH data sectionals C is mapped in preceding 4 OFDM symbols of No. 1 time slot of 0 work song frame of the 3rd radio frames and the 7th In preceding 4 OFDM symbols of No. 1 time slot of 0 work song frame of a radio frames, the 4th PBCH data sectionals D is mapped to the 4th nothing In preceding 4 OFDM symbols of No. 1 time slot of 0 work song frame of line frame and first 4 of No. 1 time slot of 0 work song frame of the 8th radio frames Exemplary in OFDM symbol, in Fig. 7, the 1st PBCH data sectionals A is mapped to 0 work song frame of the 1st radio frames 10 by base station On preceding 4 OFDM symbol 1011a of 101 No. 1 time slot 1011, similarly the 2nd PBCH data sectionals B, the 3rd PBCH data are divided Resource mapping methods of C and the 4th PBCH data sectionals D of section in corresponding region is with the 1st PBCH data sectionals A in region N In resource mapping method it is identical, which is not described herein again.

As shown in fig. 7, the present embodiment presets the Transmission Time Interval of PBCH as 80ms with this, i.e., one of default PBCH passes For the defeated period is including 8 radio frames, rate-matched is available in the predefined resource in continuous 8 radio frames to be mapped in Number of resources does rate-matched, and rate-matched refers to comparing the symbolic number of transmission and available resource units number, makes the symbol of transmission Number and available resource units number match.For example available resource units number is 10, the symbolic number of transmission is 5, then when mapping Each symbol will be sent to twice to fill all available resources.If available resources number is 5, the symbolic number to be sent is 10, it is just mapped in available resources every 1 symbol, is equivalent to and has only sent out 5 symbols, there are 5 symbols not send, the symbol Number for the modulation symbol in PBCH data, the available resource units are an OFDM symbol in time domain, and a son carries on frequency domain Resource block corresponding to wave can send the data sectional of 8 PBCH, often in this way, within the period of 80ms in predefined resource The scrambler of the corresponding data of a data sectional is different.Each data sectional can realize self-demarking code.As long as i.e. user equipment energy Go out a PBCH data sectional with certain Probability Detection, the whole originals carried on PBCH are obtained with by the data sectional Beginning information bit, if signal quality is good enough, does not have to receive it as long as that is, user equipment detects a PBCH data sectional His PBCH data sectionals, so that it may which to obtain whole useful informations, therefore the PBCH signal strengths that user equipment receives increase By force, communication quality is improved.

Particularly, at least 2 repetitions of m-th of PBCH data sectional can be mapped in m-th of nothing in default PBCH by base station On the default resource location of line frame, while at least 2 repetitions are mapped in the default resource location of q-th of radio frames in default PBCH On, specifically, m-th of PBCH data sectionals can be mapped in the default PBCH No. 0 in q-th of radio frames by base station To in 9 work song frames in the default OFDM symbol of each subframe.Specific mapping of each PBCH data sectionals in corresponding radio frames Mode can be no longer described in detail with reference chart 3 and Fig. 4, the present embodiment.

Further, each PBCH data sectionals can also repeat to map in the subframe of the same radio frames, you can It is repeated to be mapped in the default PBCH No. 1 to No. 9 in m-th of radio frames at least 2 times by m-th of PBCH data sectionals In subframe in the default OFDM symbol of each subframe, while m-th of PBCH data sectionals at least 2 repetitions are mapped in institute No. 1 is stated in default PBCH in q-th of radio frames in 9 work song frames in the default OFDM symbol of each subframe.Each PBCH data The specific mapping mode being segmented in corresponding radio frames can be no longer described in detail with reference chart 5 and Fig. 6, the present embodiment.

An embodiment of the present invention provides a kind of Physical Broadcast Channel transmission methods, are related to user equipment side, including：

Reception m-th of PBCH data point are at least repeated 2 times on the default resource location of m-th of radio frames in default PBCH Section, the default PBCH are provided with 2^yA radio frames；Wherein, m-th of PBCH data sectionals are that the n that PBCH data are divided into is a Any one section in PBCH data sectionals, n=2^x, the x is the integer more than or equal to 0,1≤m≤n, y >=x.

In the prior art, user equipment directly receives m in default PBCH on the default resource location of m-th of radio frames A PBCH data sectionals, and in the embodiment of the present invention user equipment m-th of radio frames in default PBCH default resource location On be at least repeated 2 times receive m-th of PBCH data sectional, compared with prior art, the PBCH signals that user equipment receives are strong Degree enhancing, therefore improve communication quality.

Since each radio frames include No. 0 to 9 work song frames totally 10 subframes, as x=y, i.e., PBCH data are divided into When the number of PBCH data sectionals is equal with the radio frames number of default PBCH, user equipment can be in the default PBCH It is at least repeated 2 times on the default resource location of m radio frames and receives m-th of PBCH data sectionals.Specifically, user equipment Can in the default PBCH No. 0 default OFDM symbol to the above subframe of any two in 9 work song frames in m-th of radio frames Upper to receive m-th of PBCH data sectionals, particularly, user equipment can be in the default PBCH 0 in m-th of radio frames Number to m-th of PBCH data sectionals are received in 9 work song frames in the default OFDM symbol of each subframe, i.e. user equipment receives The PBCH data sectionals and the default PBCH in radio frames there are correspondences.It is exemplary, it is assumed that x=2, i.e., it is default PBCH includes 4 radio frames, and the PBCH data are divided into 4 PBCH data sectionals.As shown in figure 3, the default OFDM Symbol can be preceding 4 OFDM symbols of No. 1 time slot of 0 work song frame in each radio frames in default PBCH.As shown in figure 4, institute State default OFDM symbol may be in default PBCH in each radio frames rear 2 OFDM symbols of No. 0 time slot of 0 work song frame and Preceding 2 OFDM symbols of No. 1 time slot.Particularly, Fig. 3 and Fig. 4 in 0 work song frame frequency domain in the 1st radio frames be 1 PRB frequency domain length, in time domain for the resource mapping method of the region N of 1 subframe for, region N includes 2 PRB, in Fig. 3, It is exemplary, preceding 4 OFDM symbol 1011a of the user equipment in No. 1 time slot 1011 of 0 work song frame 101 of the 1st radio frames 10 The 1st PBCH data sectional A of upper reception, similarly user equipment in corresponding region to the 2nd PBCH data sectionals B, the 3rd The reception mode of PBCH data sectionals C and the 4th PBCH data sectionals D and the 1st PBCH data sectionals A of reception in the N of region Mode it is identical, which is not described herein again.

As shown in figure 4, user equipment can be at latter 2 of No. 0 time slot 1011 of 0 work song frame 101 of the 1st radio frames 10 The 1st PBCH data sectional A is received on preceding 2 OFDM symbol 1012a of OFDM symbol 1011a and No. 1 time slot 1012, is similarly existed To the recipient of the 2nd PBCH data sectionals B, the 3rd PBCH data sectionals C and the 4th PBCH data sectionals D in corresponding region Formula is identical to the reception mode of the 1st PBCH data sectionals A as in the N of region, and which is not described herein again.

It should be noted that No. 0 default OFDM to each subframe in 9 work song frames is accorded in each radio frames in default PBCH Number position can be different, depending on the setting of position is by the concrete condition of practical application, for example, user equipment can be described In default PBCH in the 1st radio frames No. 0 to the is received in 9 work song frames in preceding 4 OFDM symbols of No. 1 time slot of each subframe 1 PBCH data sectional, No. 0 No. 0 time slot to each subframe in 9 work song frames in the 2nd radio frames in the default PBCH Rear 2 OFDM symbols and No. 1 time slot preceding 2 OFDM symbols on receive the 2nd PBCH data sectional.It is any to be familiar with this technology The technical staff in field in the technical scope disclosed by the present invention, can easily think of the change or the replacement, thus the present invention to this not It is described in detail again.

Particularly, the position close proximity to CRS can be arranged in the position of above-mentioned default OFDM symbol, so can be with Be conducive to the demodulation of PBCH data.

Further, user equipment can also carry out weight in the subframe of the same radio frames to each PBCH data sectionals Multiple connection is received, you can is accorded with the default OFDM of each subframe in No. 0 in m-th of radio frames in the default PBCH to 9 work song frames At least 2 times repetitions of m-th of PBCH data sectionals are received on number.Assuming that x=2, i.e., default PBCH includes 4 radio frames, And the PBCH data are divided into 4 PBCH data sectionals.As shown in figure 5, the embodiment of the present invention is with the 3rd PBCH data sectional For, i.e. m=3, then user equipment can in the default PBCH in the 3rd radio frames 30 No. 0 in 9 work song frames per height Default OFDM symbol 5011a the 3rd PBCH data sectional C of upper 1st reception of frame, which is each Preceding 4 OFDM symbols of No. 1 time slot of subframe, in the default PBCH in the 3rd radio frames 30 No. 0 to every in 9 work song frames Upper 2nd repetition of default OFDM symbol 5011b of a subframe receives the 3rd PBCH data sectional C, the default OFDM symbol 5011b is rear 3 OFDM symbols of No. 0 time slot of each subframe and the 5th OFDM symbol of No. 1 time slot.

As shown in fig. 6, the embodiment of the present invention is still by taking the 3rd PBCH data sectional as an example, i.e. m=3, then user equipment can be with In the default PBCH in the 3rd radio frames 30 No. 0 in 9 work song frames the 1st on the default OFDM symbol 6011a of each subframe The 3rd PBCH data sectional C of secondary reception, the default OFDM symbol 6011a are rear 2 OFDM symbols of No. 0 time slot of each subframe Number and No. 1 time slot preceding 2 OFDM symbols, in the default PBCH in the 3rd radio frames 30 No. 0 to each in 9 work song frames Upper 2nd repetition of default OFDM symbol 6011b of subframe receives the 3rd PBCH data sectional C, the default OFDM symbol 6011b is the 5th OFDM symbol of No. 0 time slot of each subframe and the 3rd to 5 OFDM symbol of No. 1 time slot.Particularly, Fig. 5 With Fig. 6 to be the region N of 1 subframe for 1 PRB frequency domain length, in time domain in 0 work song frame frequency domain in the 3rd radio frames Resource mapping method for, region N include 2 PRB.

Further, as the x ＜ y, the data sectional number of PBCH is less than the number of the radio frames in default PBCH, The PBCH transmission methods include：It is received described m-th on the default resource location of m-th of radio frames in the default PBCH PBCH data sectionals；M-th of PBCH data are received on the default resource location of p-th of radio frames in the default PBCH Segmentation, the p=m+2^x× t, the t are integer, 1≤t≤2^y-x-1.It can be received in different radio frames same Data sectional.

Exemplary, if PBCH data are divided into 4 PBCH data sectionals, i.e. x=2, it includes 8 radio frames, i.e. y to preset PBCH =3.Then m-th of PBCH data sectional is received on the default resource location of m-th of radio frames in default PBCH；Described default M-th of PBCH data sectionals are received in PBCH on the default resource location of the m+4 radio frames.I.e. user equipment can be same When on the default resource location of m-th of radio frames and receive m-th of PBCH number on the default resource location of the m+4 radio frames According to segmentation.

As shown in fig. 7, PBCH data are divided into 4 data sectionals by base station, respectively the 1st PBCH data sectionals A, 2nd PBCH data sectionals B, the 3rd PBCH data sectionals C and the 4th PBCH data sectional D, user equipment are wireless at the 1st In preceding 4 OFDM symbols of No. 1 time slot of 0 work song frame of frame and first 4 of No. 1 time slot of 0 work song frame of the 5th radio frames The 1st PBCH data sectional A is received in OFDM symbol simultaneously, at first 4 of No. 1 time slot of 0 work song frame of the 2nd radio frames The 2nd PBCH number is received in OFDM symbol and in preceding 4 OFDM symbols of No. 1 time slot of 0 work song frame of the 6th radio frames simultaneously According to segmentation B, in preceding 4 OFDM symbols of No. 1 time slot of 0 work song frame of the 3rd radio frames and 0 work song of the 7th radio frames The 3rd PBCH data sectional C is received in preceding 4 OFDM symbols of No. 1 time slot of frame simultaneously, in 0 work song frame of the 4th radio frames No. 1 time slot preceding 4 OFDM symbols on and the 8th radio frames 0 work song frame No. 1 time slot preceding 4 OFDM symbols on it is same When receive the 4th PBCH data sectionals D, it is exemplary, in Fig. 7, user equipment the 1st radio frames 10 0 work song frame 101 1 The 1st PBCH data sectional A is received on preceding 4 OFDM symbol 1011a of number time slot 1011, similarly to the 2nd PBCH data point Section B, reception modes of the 3rd PBCH data sectionals C and the 4th PBCH data sectionals D in corresponding region and the 1st PBCH number Identical according to reception modes of the segmentation A in the N of region, which is not described herein again.

Particularly, user equipment can at least 2 repetitions on the default resource location of m-th of radio frames in default PBCH Receive m-th of PBCH data sectional, while at least 2 repetitions on the default resource location of q-th of radio frames in default PBCH M-th of PBCH data sectional is received, specifically, user equipment can be in the default PBCH No. 0 to 9 in q-th of radio frames In work song frame m-th of PBCH data sectionals are received in the default OFDM symbol of each subframe.Each PBCH data sectionals exist The specific reception mode of corresponding radio frames can be no longer described in detail with reference chart 3 and Fig. 4, the present embodiment.

Further, user equipment can also repeat each PBCH data sectionals in the subframe of the same radio frames Reception, you can accorded with the default OFDM of each subframe in No. 0 in m-th of radio frames in the default PBCH to 9 work song frames It is at least repeated 2 times on number and receives m-th of PBCH data sectionals, while in the default PBCH No. 1 in q-th of radio frames To at least 2 repetitions receive m-th of PBCH data sectionals in the default OFDM symbol of each subframe in 9 work song frames.Each PBCH data sectionals can be no longer described in detail in the specific reception mode of corresponding radio frames with reference chart 5 and Fig. 6, the present embodiment.

It should be noted that the Physical Broadcast Channel transmission method and user equipment of the base station provided in the embodiment of the present invention Physical Broadcast Channel transmission method be one-to-one, i.e. default resource location of the base station in default PBCH carries out PBCH numbers According to resource impact, user equipment then presets the reception that resource location carries out corresponding PBCH data, particularly, user equipment at this The PBCH data sectionals of transmission can be detected according to the detection performance of itself, to determine to receive the PBCH data sectionals Number.

Exemplary, present invention assumes that x=2, i.e., default PBCH includes 4 radio frames, and the PBCH data are divided into 4 PBCH data sectionals.The embodiment of the present invention additionally provides a kind of Physical Broadcast Channel transmission method, as shown in figure 8, including：

801, PBCH data are divided into 4 PBCH data sectionals by base station.

802, at least 2 repetitions of m-th of PBCH data sectional are mapped in m-th of radio frames in default PBCH by the base station Default resource location on, 1≤m≤4.

Assuming that m=1,2,3,4, as shown in figure 3, base station is by the 1st PBCH data sectional A, the 2nd data sectional B, the 3rd A data sectional C and the 4th data sectional D repeats to be mapped in the default PBCH in 4 radio frames No. 0 in 9 work song frames In the default OFDM symbol of each subframe.As shown in figure 3, the default OFDM symbol can be each radio frames in default PBCH In 0 work song frame No. 1 time slot preceding 4 OFDM symbols.Similarly the 2nd PBCH data sectionals B, the 3rd PBCH data sectionals C and Resource mapping methods of the 4th PBCH data sectionals D in corresponding region and the 1st moneys of the PBCH data sectionals A in the N of region Source mapping mode is identical, and which is not described herein again.

803, user equipment is at least repeated 2 times on the default resource location of m-th of radio frames in default PBCH and receives m A PBCH data sectionals.

Wherein, m is respectively 1,2,3 and 4, as shown in figure 3, user equipment is in the default PBCH No. 0 in 4 radio frames To repeating to receive by the 1st PBCH data sectional A, the 2nd data sectional in the default OFDM symbol of each subframe in 9 work song frames B, the 3rd data sectional C and the 4th data sectional D.As shown in figure 3, the default OFDM symbol can be every in default PBCH Preceding 4 OFDM symbols of No. 1 time slot of 0 work song frame in a radio frames.Similarly the 2nd PBCH data sectionals B, the 3rd PBCH number According to reception modes of C and the 4th PBCH data sectionals D of segmentation in corresponding region with the 1st PBCH data sectionals A in region N In resource receive mode it is identical, which is not described herein again.

Particularly, it when user equipment carries out the reception of PBCH data sectionals in default PBCH, needs first to demodulate in MIB SFN determines frame number, and preceding 8 subframes in each radio frames of default PBCH are determined by the SFN in MIB, are then carried out again The demodulation of 2 subframes afterwards.When default PBCH include 4 radio frames, MIB can be identified with 2 bits, when default PBCH includes 8 radio frames can identify MIB with 3 bits.

It should be noted that the signals such as CRS, PSS and SSS in default PBCH in the embodiment of the present invention in each radio frames Mapping position is arranged according to common mapping position, and attached drawing part provided in an embodiment of the present invention is not labeled, herein no longer It is described in detail.

In the prior art, m-th of PBCH data sectional is directly mapped in default PBCH m-th radio frames by base station In preceding 4 OFDM symbols of No. 1 time slot of 0 work song frame, and in the embodiment of the present invention base station by m-th of PBCH data sectional at least 2 repetitions are mapped on the default resource location in default PBCH, compared with prior art, the mapping number of PBCH data sectionals Increase, the PBCH signal strengths enhancing that user equipment receives, therefore improves communication quality.

Embodiment 2：

An embodiment of the present invention provides a kind of base stations 90, as shown in figure 9, including：

Segmenting unit 901, for PBCH data to be divided into n PBCH data sectional, n=2^x, the x is more than or equal to 0 Integer.

First map unit 902, at least 2 repetitions of m-th of PBCH data sectional to be mapped in default PBCH On default resource location, 1≤m≤n, the default PBCH is provided with 2^yA radio frames, y >=x.

First map unit 902 is additionally operable to m-th of PBCH data sectionals at least 2 repetitions being mapped in described pre- If in PBCH on the default resource location of m-th of radio frames.

First map unit is additionally operable to：

M-th of PBCH data sectionals are mapped in the default resource location of m-th of radio frames in the default PBCH On.

As shown in Figure 10, the base station 90 further includes：

Second map unit 903, for m-th of PBCH data sectionals to be mapped in the default PBCH m-th In radio frames No. 0 in 9 work song frames on the default orthogonal frequency division multiplex OFDM symbol of each subframe.

Second map unit 903 is additionally operable to m-th of PBCH data sectionals m-th of nothing in the default PBCH In line frame No. 0 at least repeating mapping 2 times in the default OFDM symbol of each subframe in 9 work song frames.

In the prior art, m-th of PBCH data sectional is directly mapped in default PBCH m-th radio frames by base station In preceding 4 OFDM symbols of No. 1 time slot of 0 work song frame, and the first map unit is by m-th of PBCH data in the embodiment of the present invention Segmentation at least 2 repetitions are mapped on the default resource location in default PBCH, compared with prior art, PBCH data sectionals Mapping number increases, the PBCH signal strengths enhancing that user equipment receives, therefore improves communication quality.

An embodiment of the present invention provides a kind of user equipmenies 100, as shown in figure 11, including：

First receiving unit 1001 is at least repeated 2 times m-th of reception on the default resource location in default PBCH PBCH data sectionals, the default PBCH are provided with 2^yA radio frames, wherein m-th of PBCH data sectionals are PBCH numbers According to any one section in n PBCH data sectional being divided into, n=2^x, the x is integer more than or equal to 0,1≤m≤n, y >= x。

First receiving unit 1001 is additionally operable in the default PBCH on the default resource location of m-th of radio frames It is at least repeated 2 times and receives m-th of PBCH data sectionals.

First receiving unit 1001 is additionally operable to：

M-th of PBCH data sectionals are received on the default resource location of m-th of radio frames in the default PBCH.

As shown in figure 12, shown user equipment 100 further includes：

Second receiving unit 1002, for each in No. 0 in m-th of radio frames in the default PBCH to 9 work song frames M-th of PBCH data sectionals are received on the default orthogonal frequency division multiplex OFDM symbol of subframe.

Second receiving unit 1002 is additionally operable in the default PBCH in m-th of radio frames No. 0 to every in 9 work song frames At least 2 repetitions receive m-th of PBCH data sectionals in the default OFDM symbol of a subframe.

In the prior art, user equipment directly receives m in default PBCH on the default resource location of m-th of radio frames A PBCH data sectionals, and in the embodiment of the present invention the first receiving unit m-th of radio frames in default PBCH default resource It is at least repeated 2 times on position and receives m-th of PBCH data sectional, compared with prior art, the PBCH letters that user equipment receives Number intensity enhancing, therefore improve communication quality.

Embodiment 3：

An embodiment of the present invention provides a kind of Physical Broadcast Channel Transmission systems 200, as shown in figure 13, including：

Base station 90 described in any of the above.

User equipment 100 described in any of the above.

It should be noted that the user equipment in the system can also be normal user equipments.Particularly, the physical broadcast Channel transmission system may exist at least two default PBCH, and the length of at least two default PBCH can be different, example , there may be the default PBCH that length is 4 radio frames and default PBCH that length is 8 radio frames in the system.

An embodiment of the present invention provides a kind of base stations 300, as shown in figure 14, including：

Processor 3001, for PBCH data to be divided into n PBCH data sectional, n=2^x, the x is more than or equal to 0 Integer.

The processor 3001 is additionally operable to m-th of PBCH data sectional at least 2 repetitions being mapped in pre- in default PBCH If on resource location, 1≤m≤n, the default PBCH is provided with 2^yA radio frames, y >=x.

The processor 3001 is additionally operable to m-th of PBCH data sectionals at least 2 repetitions being mapped in described default In PBCH on the default resource location of m-th of radio frames.

The processor 3001 is additionally operable to m-th of PBCH data sectionals being mapped in m-th of nothing in the default PBCH In line frame No. 0 in 9 work song frames on the default orthogonal frequency division multiplex OFDM symbol of each subframe.

The processor 3001 is also by m-th of PBCH data sectionals in the default PBCH No. 0 in m-th of radio frames To at least repeatedly mapping 2 times in the default OFDM symbol of each subframe in 9 work song frames.

M-th of PBCH data sectionals are also mapped in m-th of radio frames in the default PBCH by the processor 3001 Default resource location on.

In the prior art, m-th of PBCH data sectional is directly mapped in default PBCH m-th radio frames by base station In preceding 4 OFDM symbols of No. 1 time slot of 0 work song frame, and in the embodiment of the present invention processor by m-th of PBCH data sectional extremely Few 2 repetitions are mapped on the default resource location in default PBCH, compared with prior art, the mapping time of PBCH data sectionals Number increases, the PBCH signal strengths enhancing that user equipment receives, therefore improves communication quality.

An embodiment of the present invention provides a kind of user equipmenies 400, as shown in figure 15, including：

Receiver 4001 is at least repeated 2 times on the default resource location in default PBCH and receives m-th of PBCH number According to segmentation, the default PBCH is provided with 2^yA radio frames.

The receiver 4001 is additionally operable at least repeat on the default resource location of m-th of radio frames in the default PBCH 2 reception m-th of PBCH data sectionals.

The receiver 4001 is additionally operable in the default PBCH in m-th of radio frames No. 0 to each subframe in 9 work song frames Default orthogonal frequency division multiplex OFDM symbol on receive m-th of PBCH data sectionals.

The receiver 4001 is additionally operable in the default PBCH in m-th of radio frames No. 0 to each subframe in 9 work song frames Default OFDM symbol at least 2 repetitions receive m-th of PBCH data sectionals.

The receiver 4001 is additionally operable in the default PBCH on the default resource location of m-th of radio frames described in reception M-th of PBCH data sectional.

In the prior art, user equipment directly receives m in default PBCH on the default resource location of m-th of radio frames A PBCH data sectionals, and receiver is in default PBCH on the default resource location of m-th of radio frames in the embodiment of the present invention It is at least repeated 2 times and receives m-th of PBCH data sectional, compared with prior art, the PBCH signal strengths that user equipment receives Enhancing, therefore improve communication quality.

Embodiment 4：

An embodiment of the present invention provides a kind of Physical Broadcast Channel transmission methods, are related to base station side, as shown in figure 16, packet It includes：

1601, PBCH data are divided into n PBCH data sectional, the n=2 by base station^x, the x is the integer more than 2.

1602, described that m-th of PBCH data sectional is mapped on the default resource location in default PBCH, 1≤m≤n, The default PBCH is provided with 2^yA radio frames, y=x.

In the prior art, 4 data sectionals have been divided PBCH data in base station, and 4 PBCH data sectionals are directly mapped in In default PBCH in preceding 4 OFDM symbols of No. 1 time slot of 0 work song frame of 4 radio frames, the present invention and prior art phase Than the number of PBCH data sectionals increases, and the length of PBCH data sectionals mapping increases, the PBCH signals that user equipment receives Probability increase, therefore improve communication quality.

Wherein, each radio frames include No. 0 to 9 work song frames totally 10 subframes, and as x=y, i.e., PBCH data are divided into When the number of PBCH data sectionals is equal with the radio frames number of default PBCH, m-th of PBCH data sectional is mapped in by base station On default resource location in default PBCH, specifically, m-th of PBCH data sectional can be mapped in default PBCH by base station In preceding 4 OFDM symbols of No. 1 time slot of 0 work song frame of m-th of radio frames.Assuming that x=y=3, i.e., be divided into 8 by PBCH data A PBCH data sectionals, the radio frames number for presetting PBCH is 8, and as shown in figure 17, base station can be by the 1st PBCH data sectional A1 is mapped in default PBCH in preceding 4 OFDM symbols of No. 1 time slot of 0 work song frame of the 1st radio frames；By the 2nd PBCH Data sectional A2 is mapped in default PBCH in preceding 4 OFDM symbols of No. 1 time slot of 0 work song frame of the 2nd radio frames；By 3 PBCH data sectionals A3 are mapped to preceding 4 OFDM symbols of No. 1 time slot of 0 work song frame of the 3rd radio frames in default PBCH On；4th PBCH data sectionals A4 is mapped to first 4 of No. 1 time slot of 0 work song frame of the 4th radio frames in default PBCH In OFDM symbol；5th PBCH data sectionals A5 is mapped to No. 1 time slot of 0 work song frame of the 5th radio frames in default PBCH Preceding 4 OFDM symbols on；6th PBCH data sectionals A6 is mapped to 0 work song frame of the 6th radio frames in default PBCH In preceding 4 OFDM symbols of No. 1 time slot；7th PBCH data sectionals A7 is mapped to 0 of the 7th radio frames in default PBCH In preceding 4 OFDM symbols of No. 1 time slot of work song frame；8th PBCH data sectionals A8 is mapped to the 8th nothing in default PBCH In preceding 4 OFDM symbols of No. 1 time slot of 0 work song frame of line frame.

Exemplary, in fig. 17, the 1st PBCH data sectionals A1 is mapped to 0 work song frame of the 1st radio frames 10 by base station On preceding 4 OFDM symbol 1011a of 101 No. 1 time slot 1011, similarly the 2nd PBCH data sectionals A2, the 3rd PBCH data It is segmented A3, the 4th PBCH data sectionals A4, the 5th PBCH data sectionals A5, the 6th PBCH data sectionals A6, the 7th PBCH Resource mapping methods of data sectional A7 and the 8th PBCH data sectionals A8 in corresponding region and the 1st PBCH data sectional Resource mapping methods of the A1 in the N of region is identical, and which is not described herein again.

It should be noted that m-th of PBCH data sectional can also be mapped to m-th of radio frames in default PBCH by base station Arbitrary OFDM symbol on, mapping mode is identical as the mapping mode of Figure 17, repeats no more again.

M-th of PBCH data sectional is reflected in resource mapping method as shown in figure 17 provided in an embodiment of the present invention, base station It is mapped in default PBCH in preceding 4 OFDM symbols of No. 1 time slot of 0 work song frame of m-th of radio frames, so, increases Therefore the length of PBCH data sectionals and mapping increases the accuracy of PBCH data demodulations.

User equipment receives m-th of PBCH data sectional, 1≤m≤n, institute on the default resource location in default PBCH It states default PBCH and is provided with 2^yA radio frames, y=x；Wherein, m-th of PBCH data sectionals are that the n that PBCH data are divided into is a Any one section in PBCH data sectionals, n=2^x, the x is the integer more than 2,1≤m≤n, y=x.

In the prior art, user equipment is directly in default PBCH 4 before No. 1 time slot of 0 work song frame of 4 radio frames 4 PBCH data sectionals are received in a OFDM symbol, compared with prior art, the present invention the PBCH data point that user equipment receives The number of section increases, and the length that PBCH data sectionals receive increases, and the probability for the PBCH signals that user equipment receives increases, because This improves communication quality.

Exemplary, present invention assumes that x=3, i.e., default PBCH includes 8 radio frames, and the PBCH data are divided into 8 PBCH data sectionals.The embodiment of the present invention additionally provides a kind of Physical Broadcast Channel transmission method, as shown in figure 18, including：

1801, PBCH data are divided into 8 PBCH data sectionals by base station.

1802, m-th of PBCH data sectional is mapped in the default resource of m-th of radio frames in default PBCH by the base station On position, 1≤m≤8.

Assuming that m=1,2,3,4,5,6,7,8 is also shown in FIG. 17, and base station will be by the 1st PBCH data sectionals A1 mapping Onto preceding 4 OFDM symbols of No. 1 time slot of 0 work song frame of the 1st radio frames in default PBCH；By the 2nd PBCH data point Section A2 is mapped in default PBCH in preceding 4 OFDM symbols of No. 1 time slot of 0 work song frame of the 2nd radio frames；By the 3rd PBCH data sectionals A3 is mapped in default PBCH in preceding 4 OFDM symbols of No. 1 time slot of 0 work song frame of the 3rd radio frames； 4th PBCH data sectionals A4 is mapped to preceding 4 OFDM of No. 1 time slot of 0 work song frame of the 4th radio frames in default PBCH On symbol；5th PBCH data sectionals A5 is mapped in default PBCH before No. 1 time slot of 0 work song frame of the 5th radio frames In 4 OFDM symbols；6th PBCH data sectionals A6 is mapped to No. 1 of 0 work song frame of the 6th radio frames in default PBCH In preceding 4 OFDM symbols of time slot；7th PBCH data sectionals A7 is mapped to 0 work song of the 7th radio frames in default PBCH In preceding 4 OFDM symbols of No. 1 time slot of frame；8th PBCH data sectionals A8 is mapped to the 8th radio frames in default PBCH 0 work song frame No. 1 time slot preceding 4 OFDM symbols on.

1803, user equipment receives m-th of PBCH data in default PBCH on the default resource location of m-th of radio frames Segmentation.

Wherein, m=1,2,3,4,5,6,7,8 as shown in figure 17, user equipment can in default PBCH m-th of radio frames 0 work song frame No. 1 time slot preceding 4 OFDM symbols on receive m-th of PBCH data sectional.Assuming that x=y=3, i.e., by PBCH Data are divided into 8 PBCH data sectionals, and the radio frames number for presetting PBCH is 8, and as shown in figure 17, user equipment can be default The 1st PBCH data sectionals A1 is received in PBCH in preceding 4 OFDM symbols of No. 1 time slot of 0 work song frame of the 1st radio frames； In default PBCH the 2nd PBCH data point are received in preceding 4 OFDM symbols of No. 1 time slot of 0 work song frame of the 2nd radio frames Section A2；In default PBCH the 3rd PBCH is received in preceding 4 OFDM symbols of No. 1 time slot of 0 work song frame of the 3rd radio frames Data sectional A3；In default PBCH the 4th is received in preceding 4 OFDM symbols of No. 1 time slot of 0 work song frame of the 4th radio frames A PBCH data sectionals A4；It is connect in preceding 4 OFDM symbols of No. 1 time slot of 0 work song frame of the 5th radio frames in default PBCH Receive the 5th PBCH data sectionals A5；Preceding 4 OFDM symbols of No. 1 time slot of 0 work song frame of the 6th radio frames in default PBCH The 6th PBCH data sectionals A6 is received on number；First 4 of No. 1 time slot of 0 work song frame of the 7th radio frames in default PBCH The 7th PBCH data sectionals A7 is received in OFDM symbol；No. 1 time slot of 0 work song frame of the 8th radio frames in default PBCH The 8th PBCH data sectionals A8 is received in preceding 4 OFDM symbols.

Exemplary, in fig. 17, user equipment is 4 before No. 1 time slot 1011 of 0 work song frame 101 of the 1st radio frames 10 The 1st PBCH data sectional A1 is received on a OFDM symbol 1011a, similarly the 2nd PBCH data sectionals A2, the 3rd PBCH number According to segmentation A3, the 4th PBCH data sectionals A4, the 5th PBCH data sectionals A5, the 6th PBCH data sectionals A6, the 7th Reception modes of PBCH data sectionals A7 and the 8th PBCH data sectionals A8 in corresponding region and the 1st PBCH data sectional Reception modes of the A1 in the N of region is identical, and which is not described herein again.

M-th of PBCH data sectional is reflected in resource mapping method as shown in figure 17 provided in an embodiment of the present invention, base station It is mapped in default PBCH in preceding 4 OFDM symbols of No. 1 time slot of 0 work song frame of m-th of radio frames, user equipment is default M-th of PBCH data sectional is received in preceding 4 OFDM symbols of No. 1 time slot of 0 work song frame of m-th of radio frames in PBCH, this Sample one increases the length of PBCH data sectionals and mapping, and the probability for the PBCH signals that user equipment receives increases, therefore Improve communication quality.

Embodiment 5：

An embodiment of the present invention provides a kind of base stations 500, as shown in figure 19, including：

Segmenting unit 5001, for PBCH data to be divided into n PBCH data sectional, the n=2^x, the x is more than 2 Integer；

First map unit 5002, the default resource-niche for being mapped in m-th of PBCH data sectional in default PBCH It sets, 1≤m≤n, the default PBCH is provided with 2^yA radio frames, y=x.

An embodiment of the present invention provides a kind of user equipmenies 600, as shown in figure 20, including：

First receiving unit 6001 receives m-th of PBCH data point on the default resource location in default PBCH Section, 1≤m≤n, the default PBCH are provided with 2^yA radio frames, y=x；

An embodiment of the present invention provides a kind of Physical Broadcast Channel Transmission systems 700, as shown in figure 21, including：

Base station 500 described in any of the above；

And the user equipment 600 described in any of the above.

An embodiment of the present invention provides a kind of base stations 800, as shown in figure 22, including：

Processor 8001, for PBCH data to be divided into n PBCH data sectional, the n=2^x, the x is more than 2 Integer.

The processor 8001 is additionally operable to the default resource location being mapped in m-th of PBCH data sectional in default PBCH On, 1≤m≤n, the default PBCH is provided with 2^yA radio frames, y=x.

An embodiment of the present invention provides a kind of user equipmenies 900, as shown in figure 23, including：

Receiver 9001 receives m-th of PBCH data sectional, 1≤m on the default resource location in default PBCH ≤ n, the default PBCH are provided with 2^yA radio frames, y=x.

It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description, The specific work process of equipment and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.

In several embodiments provided herein, it should be understood that disclosed system, device and method can be with It realizes by another way.For example, apparatus embodiments described above are merely indicative, for example, the unit It divides, only a kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or The mutual coupling, direct-coupling or communication connection discussed can be the indirect coupling by some interfaces, equipment or unit It closes or communicates to connect, can be electrical, machinery or other forms.

The unit illustrated as separating component may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme 's.

In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also It is that the independent physics of each unit includes, it can also be during two or more units be integrated in one unit.Above-mentioned integrated list The form that hardware had both may be used in member is realized, can also be realized in the form of hardware adds SFU software functional unit.

The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain Lid is within protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. a kind of Physical Broadcast Channel PBCH transmission methods, which is characterized in that including：

At least 2 repetitions of m-th of PBCH data sectional are mapped on the default resource location in default PBCH, 1≤m≤n, institute It states default PBCH and is provided with 2^yA radio frames, y >=x.

2. according to the method described in claim 1, it is characterized in that, the x=y,

Described at least 2 repetitions of m-th of PBCH data sectional are mapped on the default resource location in default PBCH include：

M-th of PBCH data sectionals at least 2 repetitions are mapped in the default money of m-th of radio frames in the default PBCH On source position.

3. according to the method described in claim 2, it is characterized in that, the x=y,

The default money that at least 2 repetitions of m-th of PBCH data sectional are mapped in m-th of radio frames in the default PBCH Include on source position：

M-th of PBCH data sectionals are mapped in the default PBCH in m-th of radio frames No. 0 to every in 9 work song frames On the default orthogonal frequency division multiplex OFDM symbol of a subframe.

4. according to the method described in claim 2, it is characterized in that,

The default resource-niche that at least 2 repetitions of m-th of PBCH data sectional are mapped in m-th of radio frames in default PBCH Set including：

By m-th of PBCH data sectionals in the default PBCH in m-th of radio frames No. 0 in 9 work song frames per height Mapping 2 times is at least repeated in the default OFDM symbol of frame.

5. according to the method described in claim 1, it is characterized in that, the x ＜ y；

M-th of PBCH data sectionals are mapped in the default PBCH on the default resource location of m-th of radio frames；

M-th of PBCH data sectionals are mapped in the default PBCH on the default resource location of p-th of radio frames, institute State p=m+2^x× t, the t are integer, 1≤t≤2^y-x-1。

6. a kind of Physical Broadcast Channel PBCH transmission methods, which is characterized in that including：

It is at least repeated 2 times on default resource location in default PBCH and receives m-th of PBCH data sectional, the default PBCH It is provided with 2^yA radio frames；

Wherein, m-th of PBCH data sectionals are any one section in the n PBCH data sectional that PBCH data are divided into, n= 2^x, the x is the integer more than or equal to 0,1≤m≤n, y >=x.

7. a kind of base station, which is characterized in that including：

Segmenting unit, for PBCH data to be divided into n PBCH data sectional, n=2^x, the x is the integer more than or equal to 0；

First map unit, at least 2 repetitions of m-th of PBCH data sectional to be mapped in the default resource in default PBCH On position, 1≤m≤n, the default PBCH is provided with 2^yA radio frames, y >=x.

8. a kind of user equipment, which is characterized in that including：

First receiving unit is at least repeated 2 times on the default resource location in default PBCH and receives the m PBCH number According to segmentation, the default PBCH is provided with 2^yA radio frames；

9. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has program, described Program makes communication equipment execute method according to any one of claims 1 to 6.

10. a kind of Physical Broadcast Channel PBCH transmitting devices, which is characterized in that described device includes at least one processor and extremely A few storage medium, at least one storage medium is stored with instruction, when described instruction is run by the processor so that The processor executes method according to any one of claims 1 to 6.