CN104137463A

CN104137463A - Transmission method for control channel, base station, and terminal

Info

Publication number: CN104137463A
Application number: CN201280009876.1A
Authority: CN
Inventors: 刘建琴; 刘江华; 吴强
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2012-07-31
Filing date: 2012-07-31
Publication date: 2014-11-05
Anticipated expiration: 2032-07-31
Also published as: CN104137463B; WO2014019144A1

Abstract

Provided are a transmission method for a control channel, a base station, and a terminal. The embodiments of the present application can achieve the sending or receiving of some control information borne by a control channel such as an ePDCCH in a physical resource block pair, by means of a resource element set or an eREG corresponding to a resource element group such as an eCCE.

Description

Transmission method for control channel, base station, and terminal

Control channel transmission method and base station, terminal

Technical fieldthe present application is related to the communication technology, more particularly to control channel transmission method and base station, terminal.Background technology

In wireless communication system such as Long Term Evolution（Long Term Evolution, LTE) system or advanced Long Term Evolution（Long Term Evolution Advanced, LTE-A) in system, introduce the Physical Downlink Control Channel transmitted based on precoding mode（Physical Downlink Control Channel, PDCCH), i.e., enhanced Physical Downlink Control Channel（ Enhanced Physical Downlink Control Channel, ePDCCH ) .EPDCCH can be based on user equipment（User Equipment, UE) specific reference signal is demodulated reference signal（Demodulation Reference Signal, DMRS) demodulate.EPDCCH and Physical Downlink Shared Channel（Physical Downlink Shared Channel, PDSCH) it is frequency division.The channel status that base station can be reported according to terminal, in the preferable Physical Resource Block of channel condition（Physical Resource Block, PRB) on send ePDCCH.Wherein, in a subframe, the Physical Resource Block of two time slots can be referred to as Physical Resource Block to (PRB pair).

But, Physical Resource Block centering is not given in the prior art how by enhanced control channel unit (Enhanced Control Channel Element, eCCE the method that resource collection or enhanced resource unit group (Enhanced Resource Element Group, eREG) corresponding to) sent or received the control information of some control channels such as ePDCCH carryings.The content of the invention

The many aspects of the application provide control channel transmission method and base station, terminal, to realize in Physical Resource Block pair by enhanced control channel unit（Enhanced Control Channel Element, eCCE) or enhanced resource unit group（Enhanced Resource Element Group, eREG) transmit the control information that some control channels such as ePDCCH is carried.

The one side of the application there is provided a kind of control channel transmission method, including：

It is determined that at least one Physical Resource Block pair for transmitting control channel, the Physical Resource Block is to right Answer the first resource unit group of the first number, the Physical Resource Block is to including N number of OFDM symbol, each OFDM symbol correspondence one in N number of OFDM symbol from the first resource unit group to the resource unit of the Physical Resource Block centering mapping ruler, wherein, the N is the integer more than or equal to 1；

According to the aggregation level of the control channel, the first resource unit group for the Physical Resource Block centering that the control channel is mapped to is determined；

According to the mapping ruler, the control channel is mapped on the corresponding resource unit of first resource unit group of the determination；

In the first resource unit group of the mapping, the control information of the control channel carrying is sent.Aspect as described above and any possible implementation, it is further provided a kind of implementation, the corresponding N number of mapping ruler of the N number of OFDM symbol include at least two different rules.

Aspect as described above and any possible implementation, it is further provided a kind of resource unit group # of the corresponding first resource unit group of the corresponding resource unit of first in implementation, each OFDM symbol available subcarrier is different.

Aspect as described above and any possible implementation, it is further provided a kind of implementation, the first resource unit group include the sets of resource units or eREG corresponding to eCCE.

Aspect as described above and any possible implementation, it is further provided a kind of implementation, the first resource unit group includes at least one resource unit of the Physical Resource Block centering；Or f ' arts t, f-, township number and/or other control channels mapping resource unit outside other resource units at least one resource unit.

Aspect as described above and any possible implementation, it is further provided a kind of implementation, methods described also includes：The sets of resource units corresponding to eCCE included to the first resource unit group is numbered；The mapping ruler includes the first mapping ruler, and first mapping ruler includes：The corresponding sets of resource units numberings of the corresponding eCCE of the corresponding resource unit of the subcarrier being sequentially arranged are numbered in same OFDM symbol to be sequentially arranged and cycle arrangement.

Aspect as described above and any possible implementation, it is further provided a kind of implementation, methods described also includes：The eREG that the first resource unit group includes is numbered；The mapping ruler includes the first mapping ruler, and first mapping ruler includes： The corresponding eREG numberings of the corresponding resource unit of subcarrier being sequentially arranged are numbered in same OFDM symbols to be sequentially arranged and cycle arrangement.

Aspect as described above and any possible implementation, it is further provided a kind of implementation, methods described also includes：The sets of resource units corresponding to eCCE included to the first resource unit group is numbered；The mapping ruler includes the first mapping ruler, and first mapping ruler includes：Continuous two resource units on the frequency domain in the same OFDM symbols of sets of resource units correspondence in the first resource unit group corresponding to sets of resource units numbering identical eCCE, and the corresponding sets of resource units numberings of the corresponding eCCE of odd subcarriers numbering is sequentially arranged in same OFDM symbol the corresponding resource unit of subcarrier are sequentially arranged and cycle arrangement；And/or

Continuous two resource units on the frequency domain in the same OFDM symbols of sets of resource units correspondence in the first resource unit group corresponding to sets of resource units numbering identical eCCE, and the corresponding sets of resource units numberings of the corresponding eCCE of even subcarriers numbering is sequentially arranged in same OFDM symbol the corresponding resource unit of subcarrier are sequentially arranged and cycle arrangement.

Aspect as described above and any possible implementation, it is further provided a kind of implementation, methods described also includes：The eREG that the first resource unit group includes is numbered；The mapping ruler includes the first mapping ruler, and first mapping ruler includes：

EREG numbering identicals eREG corresponds to continuous two resource units on the frequency domain in same OFDM symbol in the first resource unit group, and the corresponding eREG numberings of the corresponding resource unit of subcarrier that odd subcarriers numbering is sequentially arranged in same OFDM symbol are sequentially arranged and cycle arrangement；And/or

EREG numbering identicals eREG corresponds to continuous two resource units on the frequency domain in same OFDM symbol in the first resource unit group, and the corresponding eREG numberings of the corresponding resource unit of subcarrier that even subcarriers numbering is sequentially arranged in same OFDM symbol are sequentially arranged and cycle arrangement.

Aspect as described above and any possible implementation, it is further provided a kind of implementation, the corresponding sets of resource units numberings of eCCE or eREG numberings are according to ascending cycle arrangement or according to descending cycle arrangement.

Aspect as described above and any possible implementation, it is further provided a kind of implementation, the cycle arrangement includes：

If the corresponding sets of resource units numberings of eCCE or eREG numberings have been discharged to most Greatly, then the corresponding sets of resource units numberings of the eCCE or the eREG are numbered according to ascending cycle arrangement；Or

If the corresponding corresponding sets of resource units numberings of eCCE or eREG numberings have been discharged to minimum, the corresponding sets of resource units numberings of eCCE or eREG numberings are according to descending cycle arrangement.

Aspect as described above and any possible implementation, it is further provided a kind of implementation, the mapping ruler also include the second mapping ruler,

Putting in order for the corresponding sets of resource units of eCCE corresponding to the corresponding resource unit of the subcarrier being sequentially arranged is numbered in second mapping ruler in same OFDM symbol to be obtained as the cyclic shift that puts in order of the corresponding sets of resource units of eCCE corresponding to numbering the corresponding resource unit of subcarrier being sequentially arranged in the same OFDM symbols in first mapping ruler；Or

The cyclic shift that puts in order numbered as the eREG corresponding to the corresponding resource unit of subcarrier being sequentially arranged is numbered in the same OFDM symbols in first mapping ruler that puts in order for numbering the numberings of the eREG corresponding to the corresponding resource unit of the subcarrier being sequentially arranged in second mapping ruler in same OFDM symbol is obtained.

The another aspect of the application there is provided a kind of control channel transmission method, including：

It is determined that at least one Physical Resource Block pair for transmitting control channel, first resource unit group of the Physical Resource Block to the first number of correspondence, the Physical Resource Block is to including N number of OFDM symbol, each OFDM symbol correspondence one in N number of OFDM symbol from the first resource unit group to the resource unit of the Physical Resource Block centering mapping ruler, wherein, the N is the integer more than or equal to 1；

According to the candidate aggregation level Lk of the control channel, the first resource unit group for the Physical Resource Block centering that the control channel is mapped to is determined；Wherein, k is integer, and Lk is any one in k candidate's aggregation level；

According to the mapping ruler, the corresponding resource unit of the first resource unit group is determined；Resource unit corresponding to the first resource unit group detects that parsing obtains the control information that the control channel ^ is carried from the detection correct first resource unit group.

Aspect as described above and any possible implementation, it is further provided a kind of implementation, the corresponding N number of mapping ruler of the N number of OFDM symbol include at least two different rules.

Aspect as described above and any possible implementation, it is further provided a kind of implementation, The resource unit group # of the corresponding first resource unit group of the corresponding resource unit of first in each OFDM symbol available subcarrier is different.

Aspect as described above and any possible implementation, it is further provided a kind of implementation, the first resource unit group includes at least one resource unit of the Physical Resource Block centering；Or-art,_$, one, number and/or other control channels mapping resource unit outside other resource units at least one resource unit.

The corresponding eREG numberings of the corresponding resource unit of subcarrier being sequentially arranged are numbered in same OFDM symbols to be sequentially arranged and cycle arrangement.

Continuous two resource units on the frequency domain in the same OFDM symbols of sets of resource units correspondence in the first resource unit group corresponding to sets of resource units numbering identical eCCE, and the corresponding resource unit of subcarrier that even subcarriers numbering is sequentially arranged in same OFDM symbol is corresponding described The corresponding sets of resource units numberings of eCCE are sequentially arranged and cycle arrangement.

Continuous two resource units on frequency domain in the first resource unit group in the same OFDM symbol of eREG numbering identicals eREG correspondences, and the corresponding eREG numberings of the corresponding resource unit of subcarrier that odd subcarriers numbering is sequentially arranged in same OFDM symbol are sequentially arranged and the row of circulation is bad¹J ;And/or

Aspect as described above and any possible implementation, it is further provided a kind of implementation, the corresponding sets of resource units numberings of eCCE or the eREG number ascending cycle arrangement or descending cycle arrangement.

If the corresponding sets of resource units numberings of eCCE or eREG numberings have been discharged to maximum, the corresponding sets of resource units numberings of eCCE or the eREG number ascending cycle arrangement；Or

If the corresponding sets of resource units numberings of eCCE or eREG numberings have been discharged to minimum, the corresponding sets of resource units numberings of eCCE or the eREG number descending cycle arrangement.

The corresponding money of the subcarrier being sequentially arranged is numbered in second mapping ruler in same OFDM symbol The cyclic shift that puts in order numbered as the eREG corresponding to the corresponding resource unit of subcarrier being sequentially arranged is numbered in the same OFDM symbols in first mapping ruler that puts in order of eREG numberings corresponding to source unit is obtained.

It is determined that at least one Physical Resource Block pair for transmitting control channel, first resource unit group of the Physical Resource Block to the first number of correspondence, the Physical Resource Block is to including N number of OFDM symbol, on the resource unit that the first resource unit group is mapped to the Physical Resource Block centering according to S mapping ruler, wherein, the N is the integer more than or equal to 1, and the S is the positive integer less than the N；

In the first resource unit group of the mapping, the control information of the control channel carrying is sent.Aspect as described above and any possible implementation, it is further provided a kind of implementation, the first resource unit group include the sets of resource units or eREG corresponding to eCCE.

Aspect as described above and any possible implementation, it is further provided a kind of implementation, the resource unit that the first resource unit group is mapped to the Physical Resource Block centering according to S mapping ruler, including：

On the mapping ruler of difference successively in the S mapping ruler, the resource unit that the first resource unit group is respectively mapped to the Physical Resource Block centering.

Aspect as described above and any possible implementation, it is further provided a kind of implementation, methods described also includes：The S mapping ruler is numbered；The mapping ruler of the difference successively in the S mapping ruler, the physics is respectively mapped to by the first resource unit group On the resource unit of resource block pair, including：

In same OFDM symbols according to subcarrier subcarrier number order and the order of symbol number according to OFDM symbol, the first resource unit group is respectively mapped on the resource unit of the Physical Resource Block centering by the first resource unit group according to a mapping ruler of the order in the S mapping ruler of the rule numbers of the S mapping ruler successively respectively.

Aspect as described above and any possible implementation, it is further provided a kind of implementation, the order of the rule numbers of the S mapping ruler, including：

The rule numbers of the S mapping ruler are according to ascending arrangement；Or

The rule numbers of the S mapping ruler are according to descending arrangement.

At least one in aspect as described above and any possible implementation, it is further provided a kind of implementation, the mapping ruler, including following rules：

The ascending first resource unit group of the corresponding resource unit difference reference numeral of ascending subcarrier is numbered in same OFDM symbol；

The descending first resource unit group of the corresponding resource unit difference reference numeral of ascending subcarrier is numbered in same OFDM symbol.

Aspect as described above and any possible implementation, it is further provided a kind of implementation, methods described also includes：The S mapping ruler is numbered；On the mapping ruler of the difference successively in the S mapping ruler, the resource unit that the first resource unit group is respectively mapped to the Physical Resource Block centering, including：

In same OFDM symbols according to subcarrier subcarrier number order and according to

The order of the symbol number of OFDM symbol, the first resource unit group is respectively mapped on the resource unit of the Physical Resource Block centering by the first resource unit group according to a mapping ruler of the order in the S mapping ruler of the rule numbers of the S mapping ruler successively respectively.

The another aspect of the application there is provided a kind of base station, including：

Determining unit, at least one Physical Resource Block pair for determining to be used to transmit control channel, and According to the aggregation level of the control channel, determine the first resource unit group for the Physical Resource Block centering that the control channel is mapped to, first resource unit group of the Physical Resource Block to the first number of correspondence, the Physical Resource Block is to including N number of OFDM symbol, each OFDM symbol correspondence one in N number of OFDM symbol from the first resource unit group to the resource unit of the Physical Resource Block centering mapping ruler, wherein, the N is the integer more than or equal to 1；

Map unit, for according to the mapping ruler, the control channel to be mapped on the corresponding resource unit of first resource unit group that the determining unit is determined；

Transmitting element, for the first resource unit group mapped in the map unit, sends the control information of the control channel carrying.

Aspect as described above and any possible implementation, it is further provided a kind of implementation, the first resource unit group includes at least one resource unit of the Physical Resource Block centering；Or-art,_$,, one, number and/or other control channels mapping resource unit outside other resource units at least one resource unit.

If the corresponding sets of resource units numberings of eCCE or eREG numberings have been discharged to minimum, the corresponding sets of resource units numberings of eCCE or eREG numberings are according to descending cycle arrangement.

The another aspect of the application there is provided a kind of terminal, including：

Determining unit, for at least one Physical Resource Block pair for determining to be used to transmit control channel, first resource unit group of the Physical Resource Block to the first number of correspondence, the Physical Resource Block is to including N number of OFDM symbol, each OFDM symbol correspondence in N number of OFDM symbol-individual from the first resource unit group to the resource unit of the Physical Resource Block centering mapping ruler, wherein, the N is the integer more than or equal to 1；

Receiving unit, for candidate's aggregation level Lk according to the control channel, determine the first resource unit group for the Physical Resource Block centering that the determining unit that the control channel is mapped to is determined, according to the mapping ruler, determine the corresponding resource unit of the first resource unit group, and the corresponding resource unit of the first resource unit group is detected, parsing obtains the control information of the control channel carrying from the detection correct first resource unit group；Wherein, k is integer, L_kAny one in k candidate's aggregation level.

Aspect as described above and any possible implementation, further provide for a kind of implementation, if the corresponding sets of resource units numberings of eCCE or eREG numberings have been discharged to maximum, the corresponding sets of resource units numberings of eCCE or the eREG number ascending cycle arrangement；Or

Numbered in second mapping ruler in same OFDM symbol corresponding to the corresponding resource unit of the subcarrier being sequentially arranged eREG numbering put in order by the same OFDM in first mapping ruler The cyclic shift acquisition that puts in order of the numberings of the eREG corresponding to the corresponding resource unit of the subcarrier being sequentially arranged is numbered in symbol.

Determining unit, for at least one Physical Resource Block pair for determining to be used to transmit control channel, and according to the aggregation level of the control channel, determine the first resource unit group for the Physical Resource Block centering that the control channel is mapped to, first resource unit group of the Physical Resource Block to the first number of correspondence, the Physical Resource Block is to including N number of OFDM symbol, on the resource unit that the first resource unit group is mapped to the Physical Resource Block centering according to S mapping ruler, wherein, the N is the integer more than or equal to 1, the S is the positive integer less than the N；

Aspect as described above and any possible implementation, it is further provided a kind of implementation, the first resource unit group includes at least one resource unit of the Physical Resource Block centering；Or i_†' art it ,-,, number and/or other control channels mapping resource unit outside other resource units at least one resource unit.

Aspect as described above and any possible implementation, it is further provided a kind of implementation, the base station also includes：The S mapping ruler is numbered；On the mapping ruler of the difference successively in the S mapping ruler, the resource unit that the first resource unit group is respectively mapped to the Physical Resource Block centering, including： In same OFDM symbols according to subcarrier subcarrier number order and the order of symbol number according to OFDM symbol, the first resource unit group is respectively mapped on the resource unit of the Physical Resource Block centering by the first resource unit group according to a mapping ruler of the order in the S mapping ruler of the rule numbers of the S mapping ruler successively respectively.

Determining unit, for at least one Physical Resource Block pair for determining to be used to transmit control channel, first resource unit group of the Physical Resource Block to the first number of correspondence, the Physical Resource Block is to including N number of OFDM symbol, on the resource unit that the first resource unit group is mapped to the Physical Resource Block centering according to S mapping ruler, wherein, the N is the integer more than or equal to 1, and the S is the positive integer less than the N；

Receiving unit, for candidate's aggregation level Lk according to the control channel, determine the first resource unit group for the Physical Resource Block centering that the determining unit that the control channel is mapped to is determined, according to the mapping ruler, determine the corresponding resource unit of the first resource unit group, and the corresponding resource unit of the first resource unit group is detected, parsing obtains the control information of the control channel carrying from the detection correct first resource unit group；Wherein, k is integer, and Lk is any one in k candidate's aggregation level.

Aspect as described above and any possible implementation, it is further provided a kind of implementation, the first resource unit group includes at least one resource unit of the Physical Resource Block centering；Or Person-art,_$, one, number and/or other control channels mapping resource unit outside other resource units at least one resource unit.

As shown from the above technical solution, the embodiment of the present application can be realized in Physical Resource Block pair by the sets of resource units or eREG corresponding to resource unit group such as eCCE, send or receive the control information of some control channels such as ePDCCH carryings. Brief description of the drawings is in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art, the required accompanying drawing used in embodiment or description of the prior art will be briefly described below, apparently, drawings in the following description are some embodiments of the present application, for those of ordinary skill in the art, without having to pay creative labor, other accompanying drawings can also be obtained according to these accompanying drawings.

The schematic flow sheet for the control channel transmission method that Fig. 1 provides for the embodiment of the application one；Fig. 2 ~ 10 are position view of the first resource unit group of control channel mapping in the corresponding embodiments of Fig. 1 in Physical Resource Block pair；

The schematic flow sheet for the control channel transmission method that Fig. 11 provides for another embodiment of the application；The schematic flow sheet for the control channel transmission method that Figure 12 provides for another embodiment of the application；Figure 13 ~ 15 are position view of the first resource unit group of control channel mapping in the corresponding embodiments of Figure 12 in Physical Resource Block pair；

The schematic flow sheet for the control channel transmission method that Figure 16 provides for another embodiment of the application；The structural representation for the base station that another embodiment of Figure 17 the application is provided；

The structural representation for the terminal that another embodiment of Figure 18 the application is provided；

The structural representation for the base station that another embodiment of Figure 19 the application is provided；

The structural representation for the terminal that another embodiment of Figure 20 the application is provided.Embodiment is to make the purpose, technical scheme and advantage of the embodiment of the present application clearer, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is some embodiments of the present application, rather than whole embodiments.Based on the embodiment in the application, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made belongs to the scope of the application protection.

Technical scheme, can apply to the wireless communication systems such as LTE system or lte-a system.Terminal therein can be the user equipment (User Equipment, UE) in LTE system or lte-a system；Base station therein can be the eNB in LTE system or lte-a system.

In addition, the terms " and/or ", only a kind of incidence relation for describing affiliated partner, is represented There may be three kinds of relations, for example, A and/or B, can be represented：Individualism A, while there is A and B, these three situations of individualism B.In addition, character ' 7 herein " ,-as represent forward-backward correlation object be it is a kind of " or " relation.

In wireless communication system such as Long Term Evolution（Long Term Evolution, LTE) system or advanced Long Term Evolution（Long Term Evolution Advanced, LTE-A) in system, downlink multi-access access way generally uses orthogonal frequency division multiple access (Orthogonal Frequency Division Multiple Access, OFDMA) mode.The downlink resource of system has been partitioned into OFDM (Orthogonal Frequency Division Multiple, OFDM) symbol from the time, and subcarrier is had been partitioned into from frequency.

8,9 or 10 versions issued according to LTE（LTE Release 8/9/10) standard, a normal descending sub frame includes two time slots（Slot), each time slot has 7 or 6 OFDM symbols, and a normal descending sub frame contains 14 OFDM symbols or 12 OFDM symbols altogether.The standards of LTE Release 8/9/10 also define resource block（Resource Block, RB) size, a resource block, comprising 12 subcarriers, is half of subframe duration in time domain on frequency domain（I.e. one time slot）, i.e., comprising 7 or 6 OFDM symbols.In a subframe, a pair of resource blocks of two time slots are referred to as resource block pair（RB pair, RB couples）.In actually sending, the resource block that resource physically is used is to being called Physical Resource Block pair（Physical RB pair, PRB pair), it is further referred to as unit Physical Resource Block.Therefore, follow-up description either PRB, PRB pair or Physical Resource Block or Physical Resource Block pair, all referring to PRB pair.

The various data carried in subframe, are to mark off various physical channels on the physical time-frequency resource of subframe to carry out organising map.Various physical channels can substantially be divided into two classes：Control channel and Traffic Channel.Correspondingly, the data of control channel carrying can be described as control data（It can be generally referred to as control information）, Traffic Channel carrying data can be described as business datum（It can be generally referred to as data）.The basic goal for sending subframe is transmission services data, and the effect of control channel is the transmission for supplementary services data.

In LTE systems, a complete Physical Downlink Control Channel（ Physical Downlink

Control Channel, PDCCH) it may map to one or several control channel units（Control Channel Element, CCE ) .According to LTE Release 8/9/10 ,-individual PDCCH may map to 1,2,4 or 8 CCE, i.e., be made up of 1,2,4 or 8 CCE, and aggregation level 1,2,4,8 is corresponded to respectively.

Due to multi-user's multiple-input and multiple-output（Multiple Input Multiple Output, MIMO) and association Make the introducing of the technologies such as multiple spot (Coordinated Multiple Points, CoMP), introduce the Physical Downlink Control Channel transmitted based on precoding mode（Physical Downlink Control Channel, PDCCH), i.e., enhanced Physical Downlink Control Channel（ Enhanced Physical Downlink Control Channel, ePDCCH ) .EPDCCH can be demodulated reference signal based on UE specific reference signals（Demodulation Reference Signal, DMRS) demodulate.Each ePDCCH still may map to the k logic units for being similar to CCE（This is defined herein as eCCE), need UE to carry out blind Detecting in end side.The definition of aggregation level in PDCCH is continued to use, aggregation level is L (L=1,2,4 or 8 etc.）EPDCCH then may map to L eCCE, i.e., be made up of L eCCE.One eCCE is made up of one or several eREG.

The schematic flow sheet for the control channel transmission method that Fig. 1 provides for the embodiment of the application one, as shown in Fig. 1.

101st, at least one Physical Resource Block pair for transmitting control channel is determined, first resource unit group of the Physical Resource Block to the first number of correspondence, the Physical Resource Block is to including N number of OFDM symbols, each OFDM symbol correspondence one in N number of OFDM symbol from the first resource unit group to the resource unit of the Physical Resource Block centering mapping ruler, wherein, the N is the integer more than or equal to 1.

102nd, according to the aggregation level of the control channel, the first resource unit group for the Physical Resource Block centering that the control channel is mapped to is determined.

103rd, according to the mapping ruler, the control channel is mapped on the corresponding resource unit of first resource unit group of the determination.

104th, in the first resource unit group of the mapping, the control for sending the control channel carrying is believed it should be noted that 101 ~ 104 executive agent can be base station.

Wherein, the control channel is specifically as follows enhanced Physical Downlink Control Channel（Enhanced Physical Downlink Control Channel, ePDCCH ) .

Alternatively, in a possible implementation of the present embodiment, at least two different rules can be included in the corresponding N number of mapping ruler of the N number of OFDM symbol.

For example, described at least two different rules at least include the first rule and Second Rule, the Second Rule is the rule after first regular cyclic is shifted.For example, the resource unit group # of the resource unit group indicated by the first rule be mapped to it is as follows on 12 resource units that each OFDM symbol is included It is shown：First rule： 1、 2、 3、 4、 5、 6、 7、 8、 1、 2、 3、 4;Second Rule： 2、 3、 4、 5、 6、 7、 8、 1、 2、 3、 4、 5.

Alternatively, in a possible implementation of the present embodiment, the resource unit group # of the corresponding first resource unit group of the corresponding resource unit of first in each OFDM symbol available subcarrier is different.

Alternatively, in a possible implementation of the present embodiment, the first resource unit group can include but is not limited to the sets of resource units or eREG corresponding to eCCE.

Alternatively, in a possible implementation of the present embodiment, the first resource unit group includes at least one resource unit of the Physical Resource Block centering.

Alternatively, in one possible implementation of the present embodiment, at least one resource unit in other resource units in resource unit of the first resource unit group including the Physical Resource Block centering in addition to the resource unit that reference signal and/or other control channels map.

Wherein, the reference signal can include but is not limited to public reference signal（Common Reference Signal, CRS), DMRS, channel state information reference signals（Channel Status Information Reference Signal, CSI-RS) and location reference signals（Positioning Reference Signal, PRS) at least one.

Alternatively, in a possible implementation of the present embodiment, the sets of resource units corresponding to eCCE that further can also include to the first resource unit group is numbered；Correspondingly, the mapping ruler can include the first mapping ruler, and first mapping ruler includes：

The corresponding sets of resource units numberings of the corresponding eCCE of the corresponding resource unit of the subcarrier being sequentially arranged are numbered in same OFDM symbol to be sequentially arranged and cycle arrangement.

Alternatively, in a possible implementation of the present embodiment, further the eREG that the first resource unit group includes can also be numbered；Correspondingly, the mapping ruler can include the first mapping ruler, and first mapping ruler includes：

Resource list in the first resource unit group corresponding to sets of resource units numbering identical eCCE Continuous two resource units on frequency domain in the same OFDM symbols of member set correspondence, and the corresponding sets of resource units numberings of the corresponding eCCE of the corresponding resource unit of subcarrier that is sequentially arranged of odd subcarriers numbering are sequentially arranged and cycle arrangement in same OFDM symbol, so as to support transmitting diversity, for example, space-time/frequency block code (Space-Frequency Block Code, SFBC) transmitting diversity or SFBC transmitting diversities and frequency domain switching transmitting diversity（Frequency Switched Transmit Diversity, FSTD) combination；And/or

Continuous two resource units on the frequency domain in the same OFDM symbols of sets of resource units correspondence in the first resource unit group corresponding to sets of resource units numbering identical eCCE, and the corresponding sets of resource units numberings of the corresponding eCCE of the corresponding resource unit of subcarrier that is sequentially arranged of even subcarriers numbering are sequentially arranged and cycle arrangement in same OFDM symbol, so as to support transmitting diversity, for example, space-time/frequency block code (Space-Frequency Block Code, SFBC) transmitting diversity or SFBC transmitting diversities and frequency domain switching transmitting diversity（Frequency Switched Transmit Diversity, FSTD) combination.

Continuous two resource units on frequency domain in the first resource unit group in the same OFDM symbol of eREG numbering identicals eREG correspondences, and the corresponding eREG numberings of the corresponding resource unit of subcarrier that odd subcarriers numbering is sequentially arranged in same OFDM symbol are sequentially arranged and cycle arrangement, so as to support transmitting diversity, for example, space-time/frequency block code（Space-Frequency Block Code, SFBC) transmitting diversity or SFBC transmitting diversities and frequency domain switching transmitting diversity（Frequency Switched Transmit Diversity, FSTD) group;And/or

Continuous two resource units on frequency domain in the first resource unit group in the same OFDM symbol of eREG numbering identicals eREG correspondences, and the corresponding eREG numberings of the corresponding resource unit of subcarrier that is sequentially arranged of even subcarriers numbering are sequentially arranged in same OFDM symbol and the row of circulation is bad so as to supporting transmitting diversity, for example, space-time/frequency block code（Space-Frequency Block Code, SFBC) transmitting diversity or SFBC transmitting diversities and frequency domain switching transmitting diversity（Frequency Switched Transmit Diversity, FSTD) group.

Specifically, the corresponding sets of resource units numberings of the eCCE or eREG numberings are according to ascending cycle arrangement or according to descending cycle arrangement. For example, the cycle arrangement can include：If the corresponding sets of resource units numberings of eCCE or eREG numberings have been discharged to maximum, the corresponding sets of resource units numberings of eCCE or eREG numberings are according to ascending cycle arrangement.

For another example the cycle arrangement can also include：If the corresponding sets of resource units numberings of eCCE or eREG numberings have been discharged to minimum, the corresponding sets of resource units numberings of eCCE or eREG numberings are according to descending cycle arrangement.

Alternatively, in a possible implementation of the present embodiment, the mapping ruler can further include the second mapping ruler,

Below will be with a Physical Resource Block pair（Altogether comprising 168 resource units）, comprising 12 subcarriers on frequency domain, in time domain comprising 14 OFDM symbols exemplified by.The Physical Resource Block to comprising OFDM symbol be divided into 14/8+1 packet, each packet includes 8 OFDM symbols, last described packet includes less than 8 OFDM symbols, one mapping ruler of each OFDM symbol correspondence in 8 OFDM symbols, that is, have 8 mapping rulers.Assuming that the number of the internal resource unit group of Physical Resource Block is 8, then, it is as follows on 12 resource units that each OFDM symbol that the resource unit group # of the resource unit group indicated by 8 mapping rulers is mapped in a packet is included：

Mapping ruler 11,2,3,4,5,6,7,8,1,2,3,4

Mapping ruler 22,3,4,5,6,7,8,1,2,3,4,5

Mapping ruler 33,4,5,6,7,8,1,2,3,4,5,6

Mapping ruler 44,5,6,7,8,1,2,3,4,5,6,7

Mapping ruler 55,6,7,8,1,2,3,4,5,6,7,8

Mapping ruler 66,7,8,1,2,3,4,5,6,7,8,1 Mapping ruler 7: 7、 8、 1、 2、 3、 4、 5、 6、 7、 8、 1、 2;

Mapping ruler 8: 8、 1、 2、 3、 4、 5、 6、 7、 8、 1、 2、 3;

By that analogy, using 8 mapping rulers, on the resource unit that each OFDM symbol 8 resource unit groups being mapped in all packets is included.So far, the position of the resource unit that each resource unit group is included in 8 resource unit groups can be determined using the above method, as shown in Figure 2.Fig. 2 shows a Physical Resource Block pair being made up of 168 resource units, each lattice represents a resource unit, numbering therein is the resource unit group # of 8 resource unit groups, to represent the resource unit group belonging to each resource unit, vertical direction represents frequency domain resource, and horizontal direction represents time-domain resource.

Alternatively, if further considering to deduct the resource unit of DMRS mappings, the position of the resource unit that each resource unit group is included in 8 resource unit groups can be determined using the above method, as shown in Figure 3, wherein, the resource unit of horizontal line shadow representation DMRS mappings.Fig. 3 shows one by 168 resource units（Wherein, 24 resource units mapped comprising DMRS are not considered during mapping）The Physical Resource Block pair of composition, each lattice represents a resource unit, and numbering therein is the resource unit group # of 8 resource unit groups, to represent the resource unit group belonging to each resource unit, vertical direction represents frequency domain resource, and horizontal direction represents time-domain resource.

Alternatively, based on the Physical Resource Block pair after the mapping shown in Fig. 3, if further considering to deduct Physical Downlink Control Channel（Physical Downlink Control Channel, PDCCH) resource unit of mapping and the resource unit of CRS mappings, the resource unit group and corresponding numbering mapped over these locations is deducted, as shown in Figure 4, wherein, diagonal line hatches represent that the resource unit of PDCCH mappings, blank represent the resource unit of CRS mappings, the resource unit of horizontal line shadow representation DMRS mappings.Fig. 4 shows one by 168 resource units（Wherein, 24 resource units mapped comprising DMRS are not considered during mapping）The Physical Resource Block pair of composition, each lattice represents a resource unit, and numbering therein is the resource unit group # of 8 resource unit groups, to represent the resource unit group belonging to each resource unit, vertical direction represents frequency domain resource, and horizontal direction represents time-domain resource.

Below will be with a Physical Resource Block pair（Altogether comprising 168 resource units）, comprising 12 subcarriers on frequency domain, in time domain comprising 14 OFDM symbols exemplified by.The Physical Resource Block to comprising OFDM symbol be divided into 14/4+1 packet, each packet includes 4 OFDM symbols, last described packet includes less than 4 OFDM symbols, one mapping ruler of each OFDM symbol correspondence in 4 OFDM symbols, that is, have 4 mapping rulers.It is false If the number of the internal resource unit group of Physical Resource Block is 4, then, it is as follows on 12 resource units that each OFDM symbol that the resource unit group # of the resource unit group indicated by 4 mapping rulers is mapped in a packet is included：

Mapping ruler 1: 1、 2、 3、 4、 1、 2、 3、 4、 1、 2、 3、 4;

Mapping ruler 2: 2、 3、 4、 1、 2、 3、 4、 1、 2、 3、 4、 1 ;

Mapping ruler 3: 3、 4、 1、 2、 3、 4、 1、 2、 3、 4、 1、 2;

Mapping ruler 4: 4、 1、 2、 3、 4、 1、 2、 3、 4、 1、 2、 3;

By that analogy, using 4 mapping rulers, on the resource unit that each OFDM symbol 4 resource unit groups being mapped in all packets is included.So far, the position of the resource unit that each resource unit group is included in 4 resource unit groups can be determined using the above method, as shown in Figure 5.Fig. 5 shows a Physical Resource Block pair being made up of 168 resource units, each lattice represents a resource unit, numbering therein is the resource unit group # of 4 resource unit groups, to represent the resource unit group belonging to each resource unit, vertical direction represents frequency domain resource, and horizontal direction represents time-domain resource.

Alternatively, if further considering to deduct the resource unit of DMRS mappings, the position of the resource unit that each resource unit group is included in 4 resource unit groups can be determined using the above method, as shown in Figure 6, wherein, the resource unit of horizontal line shadow representation DMRS mappings.Fig. 6 shows one by 168 resource units（Wherein, 24 resource units mapped comprising DMRS are not considered during mapping）The Physical Resource Block pair of composition, each lattice represents a resource unit, and numbering therein is the resource unit group # of 4 resource unit groups, to represent the resource unit group belonging to each resource unit, vertical direction represents frequency domain resource, and horizontal direction represents time-domain resource.

Alternatively, if further considering to deduct Physical Downlink Control Channel（Physical Downlink Control Channel, PDCCH) the resource unit of the resource unit of mapping, the resource unit of CRS mappings and DMRS mappings, the position of the resource unit that each resource unit group is included in 4 resource unit groups can be determined using the above method, as shown in Figure 7, wherein, diagonal line hatches represent that the resource unit of PDCCH mappings, blank represent the resource unit of CRS mappings, the resource unit of horizontal line shadow representation DMRS mappings.Fig. 7 shows a Physical Resource Block pair being made up of 168 resource units, each lattice represents a resource unit, numbering therein is the resource unit group # of 4 resource unit groups, to represent the resource unit group belonging to each resource unit, vertical direction represents frequency domain resource, and horizontal direction represents time-domain resource. Below will be with a Physical Resource Block pair（Altogether comprising 168 resource units）, comprising 12 subcarriers on frequency domain, in time domain comprising 14 OFDM symbols exemplified by.The Physical Resource Block to comprising OFDM symbol be divided into 14/2 packet, each packet includes 2 OFDM symbols, one mapping ruler of each OFDM symbol correspondence in 2 OFDM symbols, that is, have 2 mapping rulers.Assuming that the number of the internal resource unit group of Physical Resource Block is 4, then, it is as follows on 12 resource units that each OFDM symbol that the resource unit group # of the resource unit group indicated by 2 mapping rulers is mapped in a packet is included：

Mapping ruler 1: 1、 2、 3、 4、 1、 2、 3、 4、 1、 2、 3、 4;

Mapping ruler 2: 4、 3、 2、 1、 4、 3、 2、 1、 4、 3、 2、 1 ;

By that analogy, using 2 mapping rulers, on the resource unit that each OFDM symbol 4 resource unit groups being mapped in all packets is included.So far, the position of the resource unit that each resource unit group is included in 4 resource unit groups can be determined using the above method, as shown in Figure 8.Fig. 8 shows a Physical Resource Block pair being made up of 168 resource units, each lattice represents a resource unit, numbering therein is the resource unit group # of 4 resource unit groups, to represent the resource unit group belonging to each resource unit, vertical direction represents frequency domain resource, and horizontal direction represents time-domain resource.

Alternatively, if further considering to deduct the resource unit of DMRS mappings, the position of the resource unit that each resource unit group is included in 4 resource unit groups can be determined using the above method, as shown in Figure 9, wherein, the resource unit of horizontal line shadow representation DMRS mappings.Fig. 9 shows one by 168 resource units（Wherein, 24 resource units mapped comprising DMRS are not considered during mapping）The Physical Resource Block pair of composition, each lattice represents a resource unit, and numbering therein is the resource unit group # of 4 resource unit groups, to represent the resource unit group belonging to each resource unit, vertical direction represents frequency domain resource, and horizontal direction represents time-domain resource.

Alternatively, if further considering to deduct Physical Downlink Control Channel（Physical Downlink Control Channel, PDCCH) the resource unit of the resource unit of mapping, the resource unit of CRS mappings and DMRS mappings, the position of the resource unit that each resource unit group is included in 4 resource unit groups can be determined using the above method, as shown in Figure 10, wherein, diagonal line hatches represent that the resource unit of PDCCH mappings, blank represent the resource unit of CRS mappings, the resource unit of horizontal line shadow representation DMRS mappings.Figure 10 shows a Physical Resource Block pair being made up of 168 resource units, and each lattice represents a resource unit, and numbering therein is the resource unit group of 4 resource unit groups Numbering, to represent the resource unit group belonging to each resource unit, vertical direction represents frequency domain resource, and horizontal direction represents time-domain resource.

The technical scheme using the present embodiment is can be seen that from Fig. 2 Figure 10, is had the following advantages：Resource unit group as much as possible can be distributed in each OFDM symbol；

The performance of each resource unit group is as equal as possible, i.e., each resource unit group had both included Physical Resource Block to middle resource unit, also including resource unit of the Physical Resource Block to edge；

The size approximately equal of each resource unit group.

In the present embodiment, it can realize in Physical Resource Block pair by the sets of resource units or eREG corresponding to resource unit group such as eCCE, send the control information of some control channels such as ePDCCH carryings.

The schematic flow sheet for the control channel transmission method that Fig. 11 provides for another embodiment of the application, as shown in Fig. 11.

1101st, at least one Physical Resource Block pair for transmitting control channel is determined, first resource unit group of the Physical Resource Block to the first number of correspondence, the Physical Resource Block is to including the N OFDM symbols, each OFDM symbol correspondence one in N number of OFDM symbol from the first resource unit group to the resource unit of the Physical Resource Block centering mapping ruler, wherein, the N is the integer more than or equal to 1.

1102nd, according to the candidate aggregation level Lk of the control channel, the first resource unit group for the Physical Resource Block centering that the control channel is mapped to is determined；Wherein, k is integer, and Lk is any one in k candidate's aggregation level.

1103rd, according to the mapping ruler, the corresponding resource unit of the first resource unit group is determined.

1104th, the corresponding resource unit of the first resource unit group is detected, parsing obtains the control information of the control channel carrying from the detection correct first resource unit group.

Specifically, resource unit corresponding to the first resource unit group is detected, when detecting correct, parsing obtains the control information of the control channel carrying from the detection correct first resource unit group, when detecting incorrect, other corresponding resource units of candidate's aggregation level in the k candidate aggregation level in addition to the Lk are proceeded with detection.

It should be noted that 1101 ~ 1104 executive agent can be terminal.

Wherein, the control channel is specifically as follows enhanced Physical Downlink Control Channel（Enhanced Physical Downlink Control Channel, ePDCCH ) . Alternatively, in a possible implementation of the present embodiment, at least two different rules can be included in the corresponding N number of mapping ruler of the N number of OFDM symbol.

For example, described at least two different rules at least include the first rule and Second Rule, the Second Rule is the rule after first regular cyclic is shifted.For example, the resource unit group # of the resource unit group indicated by the first rule be mapped to it is as follows on 12 resource units that each OFDM symbol is included：First rule： 1、 2、 3、 4、 5、 6、 7、 8、 1、 2、 3、 4;Second Rule： 2、 3、 4、 5、 6、 7、 8、 1、 2、 3、 4、 5.

Wherein, the reference signal can include but is not limited to public reference signal（Common Reference Signal, CRS), DMRS, channel state information reference signals（Channel Status Information Reference Signal, CSI-RS) and location reference signals (Positioning Reference Signal, PRS) at least one.

The corresponding resource unit of subcarrier being sequentially arranged is numbered in same OFDM symbols corresponding EREG numberings are sequentially arranged and cycle arrangement.

Continuous two resource units on the frequency domain in the same OFDM symbols of sets of resource units correspondence in the first resource unit group corresponding to sets of resource units numbering identical eCCE, and the corresponding sets of resource units numberings of the corresponding eCCE of the corresponding resource unit of subcarrier that is sequentially arranged of odd subcarriers numbering are sequentially arranged and cycle arrangement in same OFDM symbol, so as to support transmitting diversity, for example, space-time/frequency block code (Space-Frequency Block Code, SFBC) transmitting diversity or SFBC transmitting diversities and frequency domain switching transmitting diversity（Frequency Switched Transmit Diversity, FSTD) combination；And/or

EREG numbering identicals eREG corresponds to continuous two resource units on the frequency domain in same OFDM symbol in the first resource unit group, and the corresponding eREG numberings of the corresponding resource unit of subcarrier that even subcarriers numbering is sequentially arranged in same OFDM symbol are sequentially arranged and the row of circulation Bad ' J, so as to support transmitting diversity, for example, space-time/frequency block code（Space-Frequency Block Code, SFBC) transmitting diversity or SFBC transmitting diversities and frequency domain switching transmitting diversity（Frequency Switched Transmit Diversity, FSTD) group.

Specifically, the corresponding sets of resource units numberings of the eCCE or eREG numberings are according to ascending cycle arrangement or according to descending cycle arrangement.

For example, the cycle arrangement can include：If the corresponding sets of resource units numberings of eCCE or eREG numberings have been discharged to maximum, the corresponding sets of resource units numberings of eCCE or eREG numberings are according to ascending cycle arrangement.

The technical scheme performed by terminal that the present embodiment is provided, the technical scheme performed by base station that embodiment corresponding with Fig. 1 is provided is corresponding, the related content that may refer in the corresponding embodiments of Fig. 1 is described in detail, here is omitted.

In the present embodiment, it can realize in Physical Resource Block pair by the sets of resource units or eREG corresponding to resource unit group such as eCCE, receive the control information of some control channels such as ePDCCH carryings.

The schematic flow sheet for the control channel transmission method that Figure 12 provides for another embodiment of the application, as shown in figure 12.

1201st, at least one Physical Resource Block pair for transmitting control channel, the physical resource are determined First resource unit group of the block to the first number of correspondence, the Physical Resource Block is to including the N OFDM symbols, on the resource unit that the first resource unit group is mapped to the Physical Resource Block centering according to S mapping ruler, wherein, the N is the integer more than or equal to 1, and the S is the positive integer less than the N.

1202nd, according to the aggregation level of the control channel, the first resource unit group for the Physical Resource Block centering that the control channel is mapped to is determined.

1203rd, according to the mapping ruler, the control channel is mapped on the corresponding resource unit of first resource unit group of the determination.

1204th, in the first resource unit group of the mapping, the control information of the control channel carrying is sent.

It should be noted that 1201 ~ 1204 executive agent can be base station.

Alternatively, in a possible implementation of the present embodiment, it can specifically distinguish on a mapping ruler successively in the S mapping ruler, the resource unit that the first resource unit group is respectively mapped to the Physical Resource Block centering.Wherein, further the S mapping ruler can also be numbered.

For example, in the same ofdm symbol according to subcarrier subcarrier number order and the order of symbol number according to OFDM symbol, by the first resource unit group respectively successively according to the S The first resource unit group is respectively mapped on the resource unit of the Physical Resource Block centering by a mapping ruler of the order of the rule numbers of individual mapping ruler in the S mapping ruler.

Specifically, on the discontinuous resource unit that may map to the Physical Resource Block centering.And transmitting diversity can be supported, for example, space-time/frequency block code（Space-Frequency Block Code, SFBC) transmitting diversity or SFBC transmitting diversities and frequency domain switching transmitting diversity（Frequency Switched Transmit Diversity, FSTD) group.

Wherein, the order of the rule numbers of the S mapping ruler can be the rule numbers of the S mapping ruler according to ascending arrangement；Or can also for the S mapping ruler rule numbers according to descending arrangement, the present embodiment is to this without restriction.

Alternatively, in a possible implementation of the present embodiment, the mapping ruler can include but is not limited at least one in following rules：

Below will be with a Physical Resource Block（Altogether comprising 168 resource units）, comprising 12 subcarriers on frequency domain, in time domain comprising 14 OFDM symbols exemplified by.All OFDM symbols that each Physical Resource Block is included are a packet, and interior two mapping rulers are grouped herein by circulation Continuous Mappings to each OFDM symbol.Assuming that the number of resource unit group in Physical Resource Block is 4, then, it is as follows on 168 resource units that the resource unit group # circulation Continuous Mappings of the resource unit group indicated by 2 mapping rulers are included to Physical Resource Block：

Mapping ruler 1: 1、 2、 3、 4、 1、 2、 3、 4、 1、 2、 3、 4;

Mapping ruler 2: 4、 3、 2、 1、 4、 3、 2、 1、 4、 3、 2、 1 ;

So far, the position of the resource unit that each resource unit group is included in 4 resource unit groups can be determined using the above method, as shown in figure 13.Figure 13 shows a Physical Resource Block being made up of 168 resource units, each lattice represents a resource unit, numbering therein is the resource unit group # of 4 resource unit groups, to represent the resource unit group belonging to each resource unit, vertical direction represents frequency domain resource, and horizontal direction represents time-domain resource.

Alternatively, if further considering to deduct the resource unit of DMRS mappings, the above method is utilized The position of the resource unit that each resource unit group is included in 4 resource unit groups can be determined, as shown in figure 14, wherein, the resource unit of horizontal line shadow representation DMRS mappings.Figure 14 shows one by 168 resource units（Wherein, 24 resource units mapped comprising DMRS are not considered during mapping）The Physical Resource Block pair of composition, each lattice represents a resource unit, and numbering therein is the resource unit group # of 4 resource unit groups, to represent the resource unit group belonging to each resource unit, vertical direction represents frequency domain resource, and horizontal direction represents time-domain resource.

Alternatively, if further considering to deduct Physical Downlink Control Channel（Physical Downlink Control Channel, PDCCH) the resource unit of the resource unit of mapping, the resource unit of CRS mappings and DMRS mappings, the position of the resource unit that each resource unit group is included in 4 resource unit groups can be determined using the above method, as shown in figure 15, wherein, diagonal line hatches represent that the resource unit of PDCCH mappings, blank represent the resource unit of CRS mappings, the resource unit of horizontal line shadow representation DMRS mappings.Figure 15 shows a Physical Resource Block pair being made up of 168 resource units, each lattice represents a resource unit, numbering therein is the resource unit group # of 4 resource unit groups, to represent the resource unit group belonging to each resource unit, vertical direction represents frequency domain resource, and horizontal direction represents time-domain resource.

The technical scheme using the present embodiment is can be seen that from Figure 13 ~ Figure 15, is had the following advantages：Resource unit group as much as possible can be distributed in each OFDM symbol；

The size approximately equal of each resource unit group.

The schematic flow sheet for the control channel transmission method that Figure 16 provides for another embodiment of the application, as shown in figure 16.

1601st, at least one Physical Resource Block pair for transmitting control channel is determined, first resource unit group of the Physical Resource Block to the first number of correspondence, the Physical Resource Block is to including the N OFDM symbols, on the resource unit that the first resource unit group is mapped to the Physical Resource Block centering according to S mapping ruler, wherein, the N is the integer more than or equal to 1, and the S is the positive integer less than the N. 1602nd, according to the candidate aggregation level Lk of the control channel, the first resource unit group for the Physical Resource Block centering that the control channel is mapped to is determined；Wherein, k is integer, and Lk is any one in k candidate's aggregation level.

1603rd, according to the mapping ruler, the corresponding resource unit of the first resource unit group is determined.1604th, the corresponding resource unit of the first resource unit group is detected, parsing obtains the control information of the control channel carrying from the detection correct first resource unit group.

It should be noted that 1601 ~ 1604 executive agent can be terminal.

The technical scheme performed by terminal that the present embodiment is provided, the technical scheme performed by base station that embodiment corresponding with Figure 12 is provided is corresponding, the related content that may refer in the corresponding embodiments of Figure 12 is described in detail, here is omitted.

It should be noted that, for foregoing each method embodiment, in order to be briefly described, therefore it is all expressed as to a series of combination of actions, but those skilled in the art should know, the application is not limited by described sequence of movement, because according to the application, some steps can be carried out sequentially or simultaneously using other.Secondly, those skilled in the art should also know, embodiment described in this description belongs to preferred embodiment, necessary to involved action and module not necessarily the application.

In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not have the part being described in detail in some embodiment, may refer to the associated description of other embodiment.

The structural representation for the base station that Figure 17 provides for another embodiment of the application, as shown in figure 17.This The base station of embodiment can include determining that unit 1701, map unit 1702 and transmitting element 1703.Wherein, determining unit 1701, for at least one Physical Resource Block pair for determining to be used to transmit control channel, and according to the aggregation level of the control channel, determine the first resource unit group for the Physical Resource Block centering that the control channel is mapped to, first resource unit group of the Physical Resource Block to the first number of correspondence, the Physical Resource Block is to including N number of OFDM symbol, each OFDM symbol correspondence one in N number of OFDM symbol from the first resource unit group to the resource unit of the Physical Resource Block centering mapping ruler, wherein, the N is the integer more than or equal to 1；Map unit 1702, for according to the mapping ruler, the control channel to be mapped on the corresponding resource unit of first resource unit group that the determining unit 1701 is determined；Transmitting element 1703, for the first resource unit group mapped in the map unit 1702, sends the control information of the control channel carrying.

Wherein, the reference signal can include but is not limited to public reference signal（ Common Reference Signal, CRS), DMRS, channel state information reference signals（Channel Status Information Reference Signal, CSI-RS) and location reference signals (Positioning Reference Signal, PRS) at least one.

Continuous two resource units on the frequency domain in the same OFDM symbols of sets of resource units correspondence in the first resource unit group corresponding to sets of resource units numbering identical eCCE, and the corresponding sets of resource units numberings of the corresponding eCCE of the corresponding resource unit of subcarrier that is sequentially arranged of even subcarriers numbering are sequentially arranged and cycle arrangement in same OFDM symbol, so as to support transmitting diversity, for example, space-time/frequency block code (Space-Frequency Block Code, SFBC) transmitting diversity or SFBC transmitting diversities and frequency domain switching transmitting diversity（Frequency Switched Transmit Diversity, FSTD) combination. Alternatively, in a possible implementation of the present embodiment, further the eREG that the first resource unit group includes can also be numbered；Correspondingly, the mapping ruler can include the first mapping ruler, and first mapping ruler includes：

Continuous two resource units on frequency domain in the first resource unit group in the same OFDM symbol of eREG numbering identicals eREG correspondences, and the corresponding eREG numberings of the corresponding resource unit of subcarrier that is sequentially arranged of odd subcarriers numbering are sequentially arranged in same OFDM symbol and the row of circulation is bad so as to supporting transmitting diversity, for example, space-time/frequency block code（Space-Frequency Block Code, SFBC) transmitting diversity or SFBC transmitting diversities and frequency domain switching transmitting diversity（Frequency Switched Transmit Diversity, FSTD) group;And/or

Continuous two resource units on frequency domain in the first resource unit group in the same OFDM symbol of eREG numbering identicals eREG correspondences, and the corresponding eREG numberings of the corresponding resource unit of subcarrier that is sequentially arranged of even subcarriers numbering are sequentially arranged in same OFDM symbol and the row of circulation is bad so as to supporting transmitting diversity, for example, space-time/frequency block code（Space-Frequency Block Code, SFBC) transmitting diversity or SFBC transmitting diversities and frequency domain switching transmitting diversity（Frequency Switched Transmit Diversity, FSTD) 0 group.

If for example, the corresponding sets of resource units numberings of the eCCE or eREG numberings have been discharged to maximum, the corresponding sets of resource units numberings of eCCE or eREG numberings are according to ascending cycle arrangement.

If for another example the corresponding sets of resource units numberings of the eCCE or eREG numberings have been discharged to minimum, the corresponding sets of resource units numberings of eCCE or eREG numberings are according to descending cycle arrangement.

The base station that the present embodiment is provided, can perform the technical scheme performed by the base station that embodiment corresponding with Fig. 1 is provided, the related content that may refer in the corresponding embodiments of Fig. 1 be described in detail, here is omitted.

The structural representation for the terminal that Figure 18 provides for another embodiment of the application, as shown in figure 18.The terminal of the present embodiment can include determining that unit 1801 and receiving unit 1802.Wherein, determining unit 1801, for at least one Physical Resource Block pair for determining to be used to transmit control channel, first resource unit group of the Physical Resource Block to the first number of correspondence, the Physical Resource Block is to including the N OFDM symbols, each OFDM symbol correspondence one in N number of OFDM symbol from the first resource unit group to the resource unit of the Physical Resource Block centering mapping ruler, wherein, the N is the integer more than or equal to 1；Receiving unit 1802, for candidate's aggregation level Lk according to the control channel, determine the first resource unit group for the Physical Resource Block centering that the determining unit 1801 that the control channel is mapped to is determined, according to the mapping ruler, determine the corresponding resource unit of the first resource unit group, and to being detected to the corresponding resource unit of the first resource unit group, parsing obtains the control information of the control channel carrying from the detection correct first resource unit group；Wherein, k is integer, and Lk is any one in k candidate's aggregation level.

For example, described at least two different rules at least include the first rule and Second Rule, the Second Rule is the rule after first regular cyclic is shifted.For example, the resource unit group # of the resource unit group indicated by the first rule be mapped to it is as follows on 12 resource units that each OFDM symbol is included：First rule： 1、 2、 3、 4、 5、 6、 7、 8、 1、 2、 3、 4;Second Rule： 2、 3、 4、 5、 6、 7、 8、 1、 2、 3、 4、 5. Alternatively, in a possible implementation of the present embodiment, the resource unit group # of the corresponding first resource unit group of the corresponding resource unit of first in each OFDM symbol available subcarrier is different.

Continuous two resource units on the frequency domain in the same OFDM symbols of sets of resource units correspondence in the first resource unit group corresponding to sets of resource units numbering identical eCCE, and the corresponding resource unit of subcarrier that odd subcarriers numbering is sequentially arranged in same OFDM symbol is corresponding described The corresponding sets of resource units numberings of eCCE are sequentially arranged and cycle arrangement, so as to support transmitting diversity, for example, space-time/frequency block code (Space-Frequency Block Code, SFBC) transmitting diversity or SFBC transmitting diversities and frequency domain switching transmitting diversity（Frequency Switched Transmit Diversity, FSTD) combination；And/or

Continuous two resource units on frequency domain in the first resource unit group in the same OFDM symbol of eREG numbering identicals eREG correspondences, and the corresponding eREG numberings of the corresponding resource unit of subcarrier that even subcarriers numbering is sequentially arranged in same OFDM symbol are sequentially arranged and the row of circulation is bad | J, so as to support transmitting diversity, for example, space-time/frequency block code（Space-Frequency Block Code, SFBC) transmitting diversity or SFBC transmitting diversities and frequency domain switching transmitting diversity（Frequency Switched Transmit Diversity, FSTD) group.

If for example, the eCCE corresponding sets of resource units numbering or eREG numberings have been discharged to maximum, the corresponding sets of resource units numberings of eCCE or eREG numberings according to by It is small to be arranged to systemic circulation.

The terminal that the present embodiment is provided, can perform the technical scheme performed by the terminal that embodiment corresponding with Figure 11 is provided, the related content that may refer in the corresponding embodiments of Figure 11 be described in detail, here is omitted.

The structural representation for the base station that Figure 19 provides for another embodiment of the application, as shown in figure 19.The base station of the present embodiment can include determining that unit 1901, map unit 1902 and transmitting element 1903.Wherein, determining unit 1901, for at least one Physical Resource Block pair for determining to be used to transmit control channel, and according to the aggregation level of the control channel, determine the first resource unit group for the Physical Resource Block centering that the control channel is mapped to, first resource unit group of the Physical Resource Block to the first number of correspondence, the Physical Resource Block is to including N number of OFDM symbol, on the resource unit that the first resource unit group is mapped to the Physical Resource Block centering according to S mapping ruler, wherein, the N is the integer more than or equal to 1, the S is the positive integer less than the N；Map unit 1902, for according to the mapping ruler, the control channel to be mapped on the corresponding resource unit of first resource unit group that the determining unit 1901 is determined；Transmitting element 1903, in the map unit 1902 In the first resource unit group of mapping, the control information of the control channel carrying is sent.

For example, in the same ofdm symbol according to subcarrier subcarrier number order and the order of symbol number according to OFDM symbol, the first resource unit group is respectively mapped on the resource unit of the Physical Resource Block centering by the first resource unit group according to a mapping ruler of the order in the S mapping ruler of the rule numbers of the S mapping ruler successively respectively.

Wherein, the order of the rule numbers of the S mapping ruler can be the rule numbers of the S mapping ruler according to ascending arrangement；Or can also for the S mapping ruler rule numbers according to descending arrangement, the present embodiment is to this without restriction. Alternatively, in a possible implementation of the present embodiment, the mapping ruler can include but is not limited at least one in following rules：

The base station that the present embodiment is provided, can perform the technical scheme performed by the base station that embodiment corresponding with Figure 12 is provided, the related content that may refer in the corresponding embodiments of Figure 12 be described in detail, here is omitted.

The structural representation for the terminal that Figure 20 provides for another embodiment of the application, as shown in figure 20.The terminal of the present embodiment can include determining that unit 2001 and receiving unit 2002.Wherein, determining unit 2001, for at least one Physical Resource Block pair for determining to be used to transmit control channel, first resource unit group of the Physical Resource Block to the first number of correspondence, the Physical Resource Block is to comprising N OFDM symbols, on the resource unit that the first resource unit group is mapped to the Physical Resource Block centering according to S mapping ruler, wherein, the N is the integer more than or equal to 1, and the S is the positive integer less than the N；Receiving unit 2002, for candidate's aggregation level Lk according to the control channel, determine the first resource unit group for the Physical Resource Block centering that the determining unit 2001 that the control channel is mapped to is determined, according to the mapping ruler, determine the corresponding resource unit of the first resource unit group, and the corresponding resource unit of the first resource unit group is detected, parsing obtains the control information of the control channel carrying from the detection correct first resource unit group；Wherein, k is integer, and Lk is any one in k candidate's aggregation level.

Wherein, the control channel is specifically as follows enhanced Physical Downlink Control Channel（ Enhanced

Physical Downlink Control Channel, ePDCCH ) 。

Alternatively, in a possible implementation of the present embodiment, the first resource unit group includes at least one resource unit of the Physical Resource Block centering. Alternatively, in one possible implementation of the present embodiment, at least one resource unit in other resource units in resource unit of the first resource unit group including the Physical Resource Block centering in addition to the resource unit that reference signal and/or other control channels map.

The terminal that the present embodiment is provided, can be performed performed by the terminal that embodiment corresponding with Figure 16 is provided Technical scheme, be described in detail and may refer to related content in the corresponding embodiments of Figure 16, here is omitted.

It is apparent to those skilled in the art that, for convenience and simplicity of description, the specific work process of the system, apparatus, and unit of foregoing description may be referred to the corresponding process in preceding method embodiment, will not be repeated here.

In several embodiments provided herein, it should be understood that disclosed system, apparatus and method can be realized by another way.For example, device embodiment described above is only schematical, for example, the division of the unit, it is only a kind of division of logic function, there can be other dividing mode when actually realizing, such as multiple units or component can combine or be desirably integrated into another system, or some features can be ignored, or do not perform.Another, it, by some interfaces, the INDIRECT COUPLING or communication connection of device or unit, can be electrical, machinery or other forms that shown or discussed coupling or direct-coupling or communication connection each other, which can be,.

The unit illustrated as separating component can be or may not be physically separate, and the part shown as unit can be or may not be physical location, you can with positioned at a place, or can also be distributed on multiple NEs.Some or all of unit therein can be selected to realize the purpose of this embodiment scheme according to the actual needs.

In addition, each functional unit in the application each embodiment can be integrated in a processing unit or unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated unit can both be realized in the form of hardware, it would however also be possible to employ hardware adds the form of SFU software functional unit to realize.

The above-mentioned integrated unit realized in the form of SFU software functional unit, can be stored in a computer read/write memory medium.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are to cause a computer equipment（Can be personal computer, server, or network equipment etc.）Or processor（Processor the part steps of each embodiment methods described of the application) are performed.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage（Read-Only Memory, abbreviation ROM), random access memory（Random Access Memory, abbreviation RAM), magnetic disc or CD etc. are various can be with the medium of store program codes. Finally it should be noted that：Above example is only to the technical scheme for illustrating the application, rather than its limitations；Although the application is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It can still modify to the technical scheme described in foregoing embodiments, or carry out equivalent substitution to which part technical characteristic；And these modifications or replacement, the essence of appropriate technical solution is departed from the spirit and scope of each embodiment technical scheme of the application.

Claims

Claims

1st, a kind of control channel transmission method, it is characterised in that including：

It is determined that at least one Physical Resource Block pair for transmitting control channel, first resource unit group of the Physical Resource Block to the first number of correspondence, the Physical Resource Block is to including N number of OFDM symbol, each OFDM symbol correspondence one in N number of OFDM symbol from the first resource unit group to the resource unit of the Physical Resource Block centering mapping ruler, wherein, the N is the integer more than or equal to 1；

According to the aggregation level of the control channel, the first resource unit group for the Physical Resource Block centering that the control channel is mapped to is determined；

According to the mapping ruler, the control channel is mapped on the corresponding resource unit of first resource unit group of the determination；

In the first resource unit group of the mapping, the control information of the control channel carrying is sent.

2nd, according to the method described in claim 1, it is characterised in that the corresponding N number of mapping ruler of the N number of OFDM symbol includes at least two different rules.

3rd, method according to claim 1 or 2, it is characterised in that the resource unit group # of the corresponding first resource unit group of the corresponding resource unit of first in each OFDM symbol available subcarrier is different.

4th, the method according to claim 1 ~ 3 any claim, it is characterised in that the first resource unit group includes the sets of resource units or eREG corresponding to eCCE.

5th, the method according to claim 1 ~ 4 any claim, it is characterised in that the first resource unit group includes at least one resource unit of the Physical Resource Block centering；Or i_†' art it, ',, number and/or the resource unit of other control channels mapping outside other resource units at least one resource unit.

6th, the method according to claim 1 ~ 5 any claim, it is characterised in that methods described also includes：The sets of resource units corresponding to eCCE included to the first resource unit group is numbered；The mapping ruler includes the first mapping ruler, and first mapping ruler includes：

The corresponding sets of resource units numberings of the corresponding eCCE of the corresponding resource unit of the subcarrier being sequentially arranged are numbered in same OFDM symbol to be sequentially arranged and cycle arrangement. 7th, the method according to claim 1 ~ 5 any claim, it is characterised in that methods described also includes：The eREG that the first resource unit group includes is numbered；The mapping ruler includes the first mapping ruler, and first mapping ruler includes：

The corresponding eREG numberings of the corresponding resource unit of subcarrier being sequentially arranged are numbered in same OFDM symbols to be sequentially arranged and cycle arrangement.

8th, the method according to claim 1 ~ 5 any claim, it is characterised in that methods described also includes：The sets of resource units corresponding to eCCE included to the first resource unit group is numbered；The mapping ruler includes the first mapping ruler, and first mapping ruler includes：

Continuous two resource units on the frequency domain in the same OFDM symbols of sets of resource units correspondence in the first resource unit group corresponding to sets of resource units numbering identical eCCE, and the corresponding sets of resource units numberings of the corresponding eCCE of odd subcarriers numbering is sequentially arranged in same OFDM symbol the corresponding resource unit of subcarrier are sequentially arranged and cycle arrangement；And/or

Continuous two resource units on the frequency domain in the same OFDM symbols of sets of resource units correspondence in the first resource unit group corresponding to sets of resource units numbering identical eCCE, and the corresponding sets of resource units numberings of the corresponding eCCE of even subcarriers numbering is sequentially arranged in same OFDM symbol the corresponding resource unit of subcarrier are sequentially arranged and cycle arrangement.

9th, the method according to claim 1 ~ 5 any claim, it is characterised in that methods described also includes：The eREG that the first resource unit group includes is numbered；The mapping ruler includes the first mapping ruler, and first mapping ruler includes：

Continuous two resource units on frequency domain in the first resource unit group in the same OFDM symbol of eREG numbering identicals eREG correspondences, and the corresponding eREG numberings of the corresponding resource unit of subcarrier that odd subcarriers numbering is sequentially arranged in same OFDM symbol are sequentially arranged and the row of circulation is bad¹J ;And/or

EREG numbering identicals eREG corresponds to continuous two resource units on the frequency domain in same OFDM symbol in the first resource unit group, and the corresponding eREG numberings of the corresponding resource unit of subcarrier that even subcarriers numbering is sequentially arranged in same OFDM symbol are sequentially arranged and cycle arrangement.

10th, the method according to claim 6 ~ 9 any claim, it is characterised in that the number of compiling in collaboration with or eREG numberings according to ascending cycle arrangement or 11st, method according to claim 10, it is characterised in that the cycle arrangement includes：If the corresponding sets of resource units numberings of eCCE or eREG numberings have been discharged to maximum, the corresponding sets of resource units numberings of eCCE or eREG numberings are according to ascending cycle arrangement；Or

If the corresponding corresponding sets of resource units numberings of eCCE or eREG numberings have been discharged to minimum, the corresponding sets of resource units numberings of eCCE or eREG numberings are according to descending cycle arrangement.

12nd, the method according to any claim of claim 1 ~ 11, it is characterised in that the mapping ruler also includes the second mapping ruler,

Putting in order for the corresponding sets of resource units of eCCE corresponding to the corresponding resource unit of the subcarrier being sequentially arranged is numbered in second mapping ruler in same OFDM symbol to be obtained as the cyclic shift that puts in order of the corresponding sets of resource units of eCCE corresponding to numbering the corresponding resource unit of subcarrier being sequentially arranged in the same OFDM symbols in first mapping ruler；Or

The cyclic shift that puts in order numbered as the eREG corresponding to the corresponding resource unit of subcarrier being sequentially arranged is numbered in the same OFDM symbols in first mapping ruler that puts in order for numbering the numberings of the eREG corresponding to the corresponding resource unit of the subcarrier being sequentially arranged in second mapping ruler in same OFDM symbol is obtained.

13rd, a kind of control channel transmission method, it is characterised in that including：

It is determined that at least one Physical Resource Block pair for transmitting control channel, first resource unit group of the Physical Resource Block to the first number of correspondence, the Physical Resource Block is to including N number of OFDM symbol, each OFDM symbol correspondence one in N number of OFDM symbol from the first resource unit group to the resource unit of the Physical Resource Block centering mapping ruler, wherein, the N is the integer more than or equal to 1；

According to the candidate aggregation level Lk of the control channel, the first resource unit group for the Physical Resource Block centering that the control channel is mapped to is determined；Wherein, k is integer, and Lk is any one in k candidate's aggregation level；

According to the mapping ruler, the corresponding resource unit of the first resource unit group is determined；Resource unit corresponding to the first resource unit group detects that parsing obtains the control information that the control channel ^ is carried from the detection correct first resource unit group.

14th, method according to claim 13, it is characterised in that N number of OFDM The corresponding N number of mapping ruler of symbol includes at least two different rules.

15th, the method according to claim 13 or 14, it is characterised in that the resource unit group # of the corresponding first resource unit group of the corresponding resource unit of first in each OFDM symbols available subcarrier is different.

16th, the method according to claim 13 ~ 15 any claim, it is characterised in that the first resource unit group includes the sets of resource units or eREG corresponding to eCCE.

17th, the method according to claim 13 ~ 16 any claim, it is characterised in that the first resource unit group includes at least one resource unit of the Physical Resource Block centering；Or-art,_$,, one, number and/or other control channels mapping resource unit outside other resource units at least one resource unit.

18th, the method according to claim 13 ~ 17 any claim, it is characterised in that methods described also includes：The sets of resource units corresponding to eCCE included to the first resource unit group is numbered；The mapping ruler includes the first mapping ruler, and first mapping ruler includes：

The corresponding sets of resource units numberings of the corresponding eCCE of the corresponding resource unit of the subcarrier being sequentially arranged are numbered in same OFDM symbol to be sequentially arranged and cycle arrangement.

19th, the method according to claim 13 ~ 17 any claim, it is characterised in that methods described also includes：The eREG that the first resource unit group includes is numbered；The mapping ruler includes the first mapping ruler, and first mapping ruler includes：

The corresponding eREG numberings of the corresponding resource unit of subcarrier being sequentially arranged are numbered in same OFDM symbols to be sequentially arranged and cycle arrangement.

20th, the method according to claim 13 ~ 17 any claim, it is characterised in that methods described also includes：The sets of resource units corresponding to eCCE included to the first resource unit group is numbered；The mapping ruler includes the first mapping ruler, and first mapping ruler includes：

Continuous two resource units on the frequency domain in the same OFDM symbols of sets of resource units correspondence in the first resource unit group corresponding to sets of resource units numbering identical eCCE, and the corresponding sets of resource units numberings of the corresponding eCCE of odd subcarriers numbering is sequentially arranged in same OFDM symbol the corresponding resource unit of subcarrier are sequentially arranged and cycle arrangement；And/or

Resource list in the first resource unit group corresponding to sets of resource units numbering identical eCCE Continuous two resource units on frequency domain in the same OFDM symbols of member set correspondence, and the corresponding sets of resource units numberings of the corresponding eCCE of even subcarriers numbering is sequentially arranged in same OFDM symbol the corresponding resource unit of subcarrier are sequentially arranged and cycle arrangement.

21st, the method according to claim 13 ~ 17 any claim, it is characterised in that methods described also includes：The eREG that the first resource unit group includes is numbered；The mapping ruler includes the first mapping ruler, and first mapping ruler includes：

EREG numbering identicals eREG corresponds to continuous two resource units on the frequency domain in same OFDM symbol in the first resource unit group, and the corresponding eREG numberings of the corresponding resource unit of subcarrier that odd subcarriers numbering is sequentially arranged in same OFDM symbol are sequentially arranged and cycle arrangement；And/or

EREG numbering identicals eREG corresponds to continuous two resource units on the frequency domain in same OFDM symbol in the first resource unit group, and the corresponding eREG numberings of the corresponding resource unit of subcarrier that even subcarriers numbering is sequentially arranged in same OFDM symbol are sequentially arranged and cycle arrangement.

22nd, the method according to claim 20 ~ 21 any claim, it is characterised in that the corresponding sets of resource units numberings of eCCE or the eREG number ascending cycle arrangement or descending cycle arrangement.

23rd, method according to claim 22, it is characterised in that the cycle arrangement includes：If the corresponding sets of resource units numberings of eCCE or eREG numberings have been discharged to maximum, the corresponding sets of resource units numberings of eCCE or the eREG number ascending cycle arrangement；Or

If the corresponding sets of resource units numberings of eCCE or eREG numberings have been discharged to minimum, the corresponding sets of resource units numberings of eCCE or the eREG number descending cycle arrangement.

24th, the method according to claim 13 ~ 23 any claim, it is characterised in that the mapping ruler also includes the second mapping ruler,

Putting in order for the corresponding sets of resource units of eCCE corresponding to the corresponding resource unit of the subcarrier being sequentially arranged is numbered in second mapping ruler in same OFDM symbol to be obtained as the cyclic shift that puts in order of the corresponding sets of resource units of eCCE corresponding to numbering the corresponding resource unit of subcarrier being sequentially arranged in the same OFDM symbols in first mapping ruler；Or The cyclic shift that puts in order numbered as the eREG corresponding to the corresponding resource unit of subcarrier being sequentially arranged is numbered in the same OFDM symbols in first mapping ruler that puts in order for numbering the numberings of the eREG corresponding to the corresponding resource unit of the subcarrier being sequentially arranged in second mapping ruler in same OFDM symbol is obtained.

25th, a kind of control channel transmission method, it is characterised in that including：

It is determined that at least one Physical Resource Block pair for transmitting control channel, first resource unit group of the Physical Resource Block to the first number of correspondence, the Physical Resource Block is to including N number of OFDM symbol, on the resource unit that the first resource unit group is mapped to the Physical Resource Block centering according to S mapping ruler, wherein, the N is the integer more than or equal to 1, and the S is the positive integer less than the N；

According to the aggregation level of the control channel, the first resource unit group for the Physical Resource Block centering that the control channel is mapped to is determined；

According to the mapping ruler, the control channel is mapped on the corresponding resource unit of first resource unit group of the determination；

In the first resource unit group of the mapping, the control information of the control channel carrying is sent.

26th, the method according to claim 25, it is characterised in that the first resource unit group includes the sets of resource units or eREG corresponding to eCCE.

27th, the method according to claim 25 or 26, it is characterised in that

The first resource unit group includes at least one resource unit of the Physical Resource Block centering；Or number and/or other control channels mapping resource unit outside other resource units at least one resource unit.

28th, the method according to claim 25 ~ 27 any claim, it is characterised in that the resource unit that the first resource unit group is mapped to the Physical Resource Block centering according to S mapping ruler, including：

On the mapping ruler of difference successively in the S mapping ruler, the resource unit that the first resource unit group is respectively mapped to the Physical Resource Block centering.

29th, the method according to claim 28, it is characterised in that methods described also includes：The S mapping ruler is numbered；The difference successively in the S mapping ruler one On mapping ruler, the resource unit that the first resource unit group is respectively mapped to the Physical Resource Block centering, including：

In same OFDM symbols according to subcarrier subcarrier number order and the order of symbol number according to OFDM symbol, the first resource unit group is respectively mapped on the resource unit of the Physical Resource Block centering by the first resource unit group according to a mapping ruler of the order in the S mapping ruler of the rule numbers of the S mapping ruler successively respectively.

30th, method according to claim 29, it is characterised in that the order of the rule numbers of the S mapping ruler, including：

The rule numbers of the S mapping ruler are according to ascending arrangement；Or

The rule numbers of the S mapping ruler are according to descending arrangement.

31st, the method according to claim 25 ~ 30 any claim, it is characterised in that the mapping ruler, including it is following rule at least one：

The ascending first resource unit group of the corresponding resource unit difference reference numeral of ascending subcarrier is numbered in same OFDM symbol；

The descending first resource unit group of the corresponding resource unit difference reference numeral of ascending subcarrier is numbered in same OFDM symbol.

32nd, a kind of control channel transmission method, it is characterised in that including：

It is determined that at least one Physical Resource Block pair for transmitting control channel, first resource unit group of the Physical Resource Block to the first number of correspondence, the Physical Resource Block is to including N number of OFDM symbol, on the resource unit that the first resource unit group is mapped to the Physical Resource Block centering according to S mapping ruler, wherein, the N is the integer more than or equal to 1, and the S is the positive integer less than the N；

According to the candidate aggregation level Lk of the control channel, the first resource unit group for the Physical Resource Block centering that the control channel is mapped to is determined；Wherein, k is integer, and Lk is any one in k candidate's aggregation level；

According to the mapping ruler, the corresponding resource unit of the first resource unit group is determined；Resource unit corresponding to the first resource unit group detects that parsing obtains the control information that the control channel ^ is carried from the detection correct first resource unit group.

33rd, the method according to claim 32, it is characterised in that the first resource unit group includes the sets of resource units or eREG corresponding to eCCE. 34th, the method according to claim 32 or 33, it is characterised in that

The first resource unit group includes at least one resource unit of the Physical Resource Block centering；Or-art,_$,, one, number and/or other control channels mapping resource unit outside other resource units at least one resource unit.

35th, the method according to claim 32 ~ 34 any claim, it is characterised in that the resource unit that the first resource unit group is mapped to the Physical Resource Block centering according to S mapping ruler, including：

On the mapping ruler of difference successively in the S mapping ruler, the resource unit that the first resource unit group is respectively mapped to the Physical Resource Block centering.

36th, the method according to claim 35, it is characterised in that methods described also includes：The S mapping ruler is numbered；On the mapping ruler of the difference successively in the S mapping ruler, the resource unit that the first resource unit group is respectively mapped to the Physical Resource Block centering, including：

In same OFDM symbols according to subcarrier subcarrier number order and the order of symbol number according to OFDM symbol, the first resource unit group is respectively mapped on the resource unit of the Physical Resource Block centering by the first resource unit group according to a mapping ruler of the order in the S mapping ruler of the rule numbers of the S mapping ruler successively respectively.

37th, method according to claim 36, it is characterised in that the order of the rule numbers of the S mapping ruler, including：

The rule numbers of the S mapping ruler are according to ascending arrangement；Or

The rule numbers of the S mapping ruler are according to descending arrangement.

38th, the method according to claim 32 ~ 37 any claim, it is characterised in that the mapping ruler, including it is following rule at least one：

The ascending first resource unit group of the corresponding resource unit difference reference numeral of ascending subcarrier is numbered in same OFDM symbol；

The descending first resource unit group of the corresponding resource unit difference reference numeral of ascending subcarrier is numbered in same OFDM symbol.

39th, a kind of base station, it is characterised in that including： Determining unit, for at least one Physical Resource Block pair for determining to be used to transmit control channel, and according to the aggregation level of the control channel, determine the first resource unit group for the Physical Resource Block centering that the control channel is mapped to, first resource unit group of the Physical Resource Block to the first number of correspondence, the Physical Resource Block is to including N number of OFDM symbol, each OFDM symbol correspondence one in N number of OFDM symbol from the first resource unit group to the resource unit of the Physical Resource Block centering mapping ruler, wherein, the N is the integer more than or equal to 1；

Map unit, for according to the mapping ruler, the control channel to be mapped on the corresponding resource unit of first resource unit group that the determining unit is determined；

Transmitting element, for the first resource unit group mapped in the map unit, sends the control information that the control channel is carried.

40th, the base station according to claim 39, it is characterised in that the corresponding N number of mapping ruler of the N number of OFDM symbols includes at least two different rules.

41st, the base station according to claim 39 or 40, it is characterised in that the resource unit group # of the corresponding first resource unit group of the corresponding resource unit of first in each OFDM symbols available subcarrier is different.

42nd, the base station according to claim 39 ~ 41 any claim, it is characterised in that the first resource unit group includes the sets of resource units or eREG corresponding to eCCE.

43rd, the base station according to claim 39 ~ 42 any claim, it is characterised in that the first resource unit group includes at least one resource unit of the Physical Resource Block centering；Or number and/or other control channels mapping resource unit outside other resource units at least one resource unit.

44th, the base station according to claim 39 ~ 43 any claim, it is characterised in that methods described also includes：The sets of resource units corresponding to eCCE included to the first resource unit group is numbered；The mapping ruler includes the first mapping ruler, and first mapping ruler includes：

The corresponding sets of resource units numberings of the corresponding eCCE of the corresponding resource unit of the subcarrier being sequentially arranged are numbered in same OFDM symbol to be sequentially arranged and cycle arrangement.

45th, the base station according to claim 39 ~ 43 any claim, it is characterised in that methods described also includes：The eREG that the first resource unit group includes is numbered；The mapping rule Then include the first mapping ruler, first mapping ruler includes：

The corresponding eREG numberings of the corresponding resource unit of subcarrier being sequentially arranged are numbered in same OFDM symbols to be sequentially arranged and cycle arrangement.

46th, the base station according to claim 39 ~ 43 any claim, it is characterised in that methods described also includes：The sets of resource units corresponding to eCCE included to the first resource unit group is numbered；The mapping ruler includes the first mapping ruler, and first mapping ruler includes：

Continuous two resource units on the frequency domain in the same OFDM symbols of sets of resource units correspondence in the first resource unit group corresponding to sets of resource units numbering identical eCCE, and the corresponding sets of resource units numberings of the corresponding eCCE of odd subcarriers numbering is sequentially arranged in same OFDM symbol the corresponding resource unit of subcarrier are sequentially arranged and cycle arrangement；And/or

Continuous two resource units on the frequency domain in the same OFDM symbols of sets of resource units correspondence in the first resource unit group corresponding to sets of resource units numbering identical eCCE, and the corresponding sets of resource units numberings of the corresponding eCCE of even subcarriers numbering is sequentially arranged in same OFDM symbol the corresponding resource unit of subcarrier are sequentially arranged and cycle arrangement.

47th, the base station according to claim 39 ~ 43 any claim, it is characterised in that methods described also includes：The eREG that the first resource unit group includes is numbered；The mapping ruler includes the first mapping ruler, and first mapping ruler includes：

Continuous two resource units on frequency domain in the first resource unit group in the same OFDM symbol of eREG numbering identicals eREG correspondences, and the corresponding eREG numberings of the corresponding resource unit of subcarrier that odd subcarriers numbering is sequentially arranged in same OFDM symbol are sequentially arranged and the row of circulation is bad¹J ;And/or

EREG numbering identicals eREG corresponds to continuous two resource units on the frequency domain in same OFDM symbol in the first resource unit group, and the corresponding eREG numberings of the corresponding resource unit of subcarrier that even subcarriers numbering is sequentially arranged in same OFDM symbol are sequentially arranged and cycle arrangement.

48th, the base station according to claim 44 ~ 47 any claim, it is characterised in that the corresponding sets of resource units numberings of eCCE or eREG numberings are according to ascending cycle arrangement or according to descending cycle arrangement.

49th, base station according to claim 48, it is characterised in that the cycle arrangement includes：If the corresponding sets of resource units numberings of eCCE or eREG numberings have been discharged to most Greatly, then the corresponding sets of resource units numberings of the eCCE or the eREG are numbered according to ascending cycle arrangement；Or

If the corresponding sets of resource units numberings of eCCE or eREG numberings have been discharged to minimum, the corresponding sets of resource units numberings of eCCE or eREG numberings are according to descending cycle arrangement.

50th, the base station according to claim 39 ~ 49 any claim, it is characterised in that the mapping ruler also includes the second mapping ruler,

Putting in order for the corresponding sets of resource units of eCCE corresponding to the corresponding resource unit of the subcarrier being sequentially arranged is numbered in second mapping ruler in same OFDM symbol to be obtained as the cyclic shift that puts in order of the corresponding sets of resource units of eCCE corresponding to numbering the corresponding resource unit of subcarrier being sequentially arranged in the same OFDM symbols in first mapping ruler；Or

The cyclic shift that puts in order numbered as the eREG corresponding to the corresponding resource unit of subcarrier being sequentially arranged is numbered in the same OFDM symbols in first mapping ruler that puts in order for numbering the numberings of the eREG corresponding to the corresponding resource unit of the subcarrier being sequentially arranged in second mapping ruler in same OFDM symbol is obtained.

51st, a kind of terminal, it is characterised in that including：

Determining unit, for at least one Physical Resource Block pair for determining to be used to transmit control channel, first resource unit group of the Physical Resource Block to the first number of correspondence, the Physical Resource Block is to including N number of OFDM symbol, each OFDM symbol correspondence in N number of OFDM symbol-individual from the first resource unit group to the resource unit of the Physical Resource Block centering mapping ruler, wherein, the N is the integer more than or equal to 1；

Receiving unit, for candidate's aggregation level Lk according to the control channel, determine the first resource unit group for the Physical Resource Block centering that the determining unit that the control channel is mapped to is determined, according to the mapping ruler, determine the corresponding resource unit of the first resource unit group, and the corresponding resource unit of the first resource unit group is detected, parsing obtains the control information of the control channel carrying from the detection correct first resource unit group；Wherein, k is integer, L_kAny one in k candidate's aggregation level.

52nd, terminal according to claim 51, it is characterised in that the corresponding N number of mapping ruler of the N number of OFDM symbols includes at least two different rules.

53rd, the terminal according to claim 51 or 52, it is characterised in that each OFDM The resource unit group # of the corresponding first resource unit group of the corresponding resource unit of first in symbol available subcarrier is different.

54th, the terminal according to claim 51 ~ 53 any claim, it is characterised in that the first resource unit group includes the sets of resource units or eREG corresponding to eCCE.

55th, the terminal according to claim 51 ~ 54 any claim, it is characterised in that the first resource unit group includes at least one resource unit of the Physical Resource Block centering；Or-art,_$,, one, number and/or other control channels mapping resource unit outside other resource units at least one resource unit.

56th, the terminal according to claim 51 ~ 55 any claim, it is characterised in that methods described also includes：The sets of resource units corresponding to eCCE included to the first resource unit group is numbered；The mapping ruler includes the first mapping ruler, and first mapping ruler includes：

The corresponding sets of resource units numberings of the corresponding eCCE of the corresponding resource unit of the subcarrier being sequentially arranged are numbered in same OFDM symbol to be sequentially arranged and cycle arrangement.

57th, the terminal according to claim 51 ~ 55 any claim, it is characterised in that methods described also includes：The eREG that the first resource unit group includes is numbered；The mapping ruler includes the first mapping ruler, and first mapping ruler includes：

The corresponding eREG numberings of the corresponding resource unit of subcarrier being sequentially arranged are numbered in same OFDM symbols to be sequentially arranged and cycle arrangement.

58th, the terminal according to claim 51 ~ 55 any claim, it is characterised in that methods described also includes：The sets of resource units corresponding to eCCE included to the first resource unit group is numbered；The mapping ruler includes the first mapping ruler, and first mapping ruler includes：

Continuous two resource units on the frequency domain in the same OFDM symbols of sets of resource units correspondence in the first resource unit group corresponding to sets of resource units numbering identical eCCE, and the corresponding sets of resource units numberings of the corresponding eCCE of odd subcarriers numbering is sequentially arranged in same OFDM symbol the corresponding resource unit of subcarrier are sequentially arranged and cycle arrangement；And/or

Continuous two resource units on the frequency domain in the same OFDM symbols of sets of resource units correspondence in the first resource unit group corresponding to sets of resource units numbering identical eCCE, and the corresponding resource unit of subcarrier that even subcarriers numbering is sequentially arranged in same OFDM symbol is corresponding described The corresponding sets of resource units numberings of eCCE are sequentially arranged and cycle arrangement.

59th, the terminal according to claim 51 ~ 55 any claim, it is characterised in that methods described also includes：The eREG that the first resource unit group includes is numbered；The mapping ruler includes the first mapping ruler, and first mapping ruler includes：

Continuous two resource units on frequency domain in the first resource unit group in the same OFDM symbol of eREG numbering identicals eREG correspondences, and the corresponding eREG numberings of the corresponding resource unit of subcarrier that odd subcarriers numbering is sequentially arranged in same OFDM symbol are sequentially arranged and the row of circulation is bad¹J ;And/or

EREG numbering identicals eREG corresponds to continuous two resource units on the frequency domain in same OFDM symbol in the first resource unit group, and the corresponding eREG numberings of the corresponding resource unit of subcarrier that even subcarriers numbering is sequentially arranged in same OFDM symbol are sequentially arranged and cycle arrangement.

60th, the terminal according to claim 51 ~ 59 any claim, it is characterised in that the corresponding sets of resource units numberings of eCCE or the eREG number ascending cycle arrangement or descending cycle arrangement.

61st, terminal according to claim 60, it is characterised in that

If the corresponding sets of resource units numberings of eCCE or eREG numberings have been discharged to maximum, the corresponding sets of resource units numberings of eCCE or the eREG number ascending cycle arrangement；Or

If the corresponding sets of resource units numberings of eCCE or eREG numberings have been discharged to minimum, the corresponding sets of resource units numberings of eCCE or the eREG number descending cycle arrangement.

62nd, the terminal according to claim 51 ~ 61 any claim, it is characterised in that the mapping ruler also includes the second mapping ruler,

Putting in order for the corresponding sets of resource units of eCCE corresponding to the corresponding resource unit of the subcarrier being sequentially arranged is numbered in second mapping ruler in same OFDM symbol to be obtained as the cyclic shift that puts in order of the corresponding sets of resource units of eCCE corresponding to numbering the corresponding resource unit of subcarrier being sequentially arranged in the same OFDM symbols in first mapping ruler；Or

Numbered in second mapping ruler in same OFDM symbol corresponding to the corresponding resource unit of the subcarrier being sequentially arranged eREG numbering put in order by the same OFDM in first mapping ruler The cyclic shift acquisition that puts in order of the numberings of the eREG corresponding to the corresponding resource unit of the subcarrier being sequentially arranged is numbered in symbol.

63rd, a kind of base station, it is characterised in that including：

Determining unit, for at least one Physical Resource Block pair for determining to be used to transmit control channel, and according to the aggregation level of the control channel, determine the first resource unit group for the Physical Resource Block centering that the control channel is mapped to, first resource unit group of the Physical Resource Block to the first number of correspondence, the Physical Resource Block is to including N number of OFDM symbol, on the resource unit that the first resource unit group is mapped to the Physical Resource Block centering according to S mapping ruler, wherein, the N is the integer more than or equal to 1, the S is the positive integer less than the N；

Map unit, for according to the mapping ruler, the control channel to be mapped on the corresponding resource unit of first resource unit group that the determining unit is determined；

Transmitting element, for the first resource unit group mapped in the map unit, sends the control information of the control channel carrying.

64th, the base station according to claim 63, it is characterised in that the first resource unit group includes the sets of resource units or eREG corresponding to eCCE.

65th, the base station according to claim 63 or 64, it is characterised in that

The first resource unit group includes at least one resource unit of the Physical Resource Block centering；Or f ' arts t, f ',, number and/or other control channels mapping resource unit outside other resource units at least one resource unit.

66th, the base station according to claim 63 ~ 65 any claim, it is characterised in that the resource unit that the first resource unit group is mapped to the Physical Resource Block centering according to S mapping ruler, including：

On the mapping ruler of difference successively in the S mapping ruler, the resource unit that the first resource unit group is respectively mapped to the Physical Resource Block centering.

67th, the base station according to claim 66, it is characterised in that the base station also includes：The S mapping ruler is numbered；On the mapping ruler of the difference successively in the S mapping ruler, the resource unit that the first resource unit group is respectively mapped to the Physical Resource Block centering, including： In same OFDM symbols according to subcarrier subcarrier number order and the order of symbol number according to OFDM symbol, the first resource unit group is respectively mapped on the resource unit of the Physical Resource Block centering by the first resource unit group according to a mapping ruler of the order in the S mapping ruler of the rule numbers of the S mapping ruler successively respectively.

68th, base station according to claim 67, it is characterised in that the order of the rule numbers of the S mapping ruler, including：

The rule numbers of the S mapping ruler are according to ascending arrangement；Or

The rule numbers of the S mapping ruler are according to descending arrangement.

69th, the base station according to claim 63 ~ 68 any claim, it is characterised in that the mapping ruler, including it is following rule at least one：

The ascending first resource unit group of the corresponding resource unit difference reference numeral of ascending subcarrier is numbered in same OFDM symbol；

The descending first resource unit group of the corresponding resource unit difference reference numeral of ascending subcarrier is numbered in same OFDM symbol.

70th, a kind of terminal, it is characterised in that including：

Determining unit, for at least one Physical Resource Block pair for determining to be used to transmit control channel, first resource unit group of the Physical Resource Block to the first number of correspondence, the Physical Resource Block is to including N number of OFDM symbol, on the resource unit that the first resource unit group is mapped to the Physical Resource Block centering according to S mapping ruler, wherein, the N is the integer more than or equal to 1, and the S is the positive integer less than the N；

Receiving unit, for candidate's aggregation level Lk according to the control channel, determine the first resource unit group for the Physical Resource Block centering that the determining unit that the control channel is mapped to is determined, according to the mapping ruler, determine the corresponding resource unit of the first resource unit group, and the corresponding resource unit of the first resource unit group is detected, parsing obtains the control information of the control channel carrying from the detection correct first resource unit group；Wherein, k is integer, and Lk is any one in k candidate's aggregation level.

71st, the terminal according to claim 70, it is characterised in that the first resource unit group includes the sets of resource units or eREG corresponding to eCCE.

72nd, the terminal according to claim 70 or 71, it is characterised in that

The first resource unit group includes at least one resource unit of the Physical Resource Block centering；Or Person-art,_$, one, number and/or other control channels mapping resource unit outside other resource units at least one resource unit.

73rd, the terminal according to claim 70 ~ 72 any claim, it is characterised in that the resource unit that the first resource unit group is mapped to the Physical Resource Block centering according to S mapping ruler, including：

On the mapping ruler of difference successively in the S mapping ruler, the resource unit that the first resource unit group is respectively mapped to the Physical Resource Block centering.

74th, the terminal according to claim 73, it is characterised in that methods described also includes：The S mapping ruler is numbered；On the mapping ruler of the difference successively in the S mapping ruler, the resource unit that the first resource unit group is respectively mapped to the Physical Resource Block centering, including：

In same OFDM symbols according to subcarrier subcarrier number order and the order of symbol number according to OFDM symbol, the first resource unit group is respectively mapped on the resource unit of the Physical Resource Block centering by the first resource unit group according to a mapping ruler of the order in the S mapping ruler of the rule numbers of the S mapping ruler successively respectively.

75th, the terminal according to claim 74, it is characterised in that the order of the rule numbers of the S mapping ruler, including：

The rule numbers of the S mapping ruler are according to ascending arrangement；Or

The rule numbers of the S mapping ruler are according to descending arrangement.

76th, the terminal according to claim 70 ~ 75 any claim, it is characterised in that the mapping ruler, including it is following rule at least one：

The ascending first resource unit group of the corresponding resource unit difference reference numeral of ascending subcarrier is numbered in same OFDM symbol；

The descending first resource unit group of the corresponding resource unit difference reference numeral of ascending subcarrier is numbered in same OFDM symbol.