CN103748849B - Control channel transmission method and base station, terminal - Google Patents

Control channel transmission method and base station, terminal Download PDF

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Publication number
CN103748849B
CN103748849B CN201280007843.3A CN201280007843A CN103748849B CN 103748849 B CN103748849 B CN 103748849B CN 201280007843 A CN201280007843 A CN 201280007843A CN 103748849 B CN103748849 B CN 103748849B
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ereg
resource block
physical resource
under
resource unit
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CN103748849A (en
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刘建琴
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals

Abstract

The embodiment of the present application provides control channel transmission method and base station, terminal.On the one hand, the embodiment of the present application is by determining at least one Physical Resource Block pair for transmitting control channel, and then the corresponding eREG of corresponding each eCCE of aggregation level and the aggregation level according to the control channel, determine each Physical Resource Block centering for mapping the eREG information of the control channel, the numbering of the eREG of each Physical Resource Block centering, using the corresponding Resource Unit in the center of each Physical Resource Block pair as Base Serial Number, sequentially to the corresponding Resource Unit cycle arrangement of marginal position, and according to the eREG information of the determination, the control channel is mapped on the corresponding eREG of eREG information of the determination, make it possible on the position of eREG for mapping the control channel, send the control information that the control channel is carried.

Description

Control channel transmission method and base station, terminal
Technical field
The 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, the physical down transmitted based on precoding mode is introduced Control channel（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）To demodulate.EPDCCH is transmitted in the region of a sub-frame transmission downstream data channel, and with physics under Row shared channel（Physical Downlink Shared Channel, PDSCH）It is frequency division.Base station can be according in terminal The channel status of report, in the preferable Physical Resource Block of channel condition（Physical Resource Block, PRB）Upper transmission ePDCCH.Wherein, in a subframe, two Physical Resource Block of time slot can be referred to as Resource Block pair（RB pair）, typically Referred to as Physical Resource Block pair.
However, how not being given at Physical Resource Block centering in the prior art by enhanced resource unit group （Enhanced Resource Element Group, eREG）Send or receive some control channels such as ePDCCH carryings Control information.
The content of the invention
The many aspects of the application provide control channel transmission method and base station, terminal, are used to realize in Physical Resource Block Centering is sent or is received the control information that some control channels such as ePDCCH is carried by eREG.
A kind of one side of the application, there is provided control channel transmission method, including：
It is determined that at least one Physical Resource Block pair for transmitting control channel；
The corresponding eREG of corresponding each eCCE of aggregation level and the aggregation level according to the control channel, it is determined that Each Physical Resource Block centering is used to map the eREG information of the control channel, the eREG of each Physical Resource Block centering Numbering, using the corresponding Resource Unit in the center of each Physical Resource Block pair as Base Serial Number, sequentially to edge The corresponding Resource Unit cycle arrangement in position；
EREG information according to the determination, the eREG information that the control channel is mapped into the determination is corresponding On eREG；
On the position of eREG for mapping the control channel, the control information that the control channel is carried is sent.
A kind of another aspect of the application, there is provided control channel transmission method, including：
It is determined that at least one Physical Resource Block pair for transmitting control channel；
The corresponding eREG of the corresponding candidate eCCE of candidate's aggregation level Lk and the Lk according to the control channel, it is determined that Each Physical Resource Block centering is used to map the eREG information of the control channel, the eREG of each Physical Resource Block centering Numbering, using the corresponding Resource Unit in the center of each Physical Resource Block pair as Base Serial Number, sequentially to edge The corresponding Resource Unit cycle arrangement in position；Wherein, k is integer, and Lk is any one in k candidate's aggregation level；
EREG information according to the determination, the corresponding eREG of candidate eCCE corresponding to the Lk detects, works as inspection When surveying correct, parsing obtains the control information that the control channel is carried from the detection correct eREG, when detection not just When really, to other candidate's aggregation levels corresponding candidate eCCE couples in the k candidate aggregation level in addition to the Lk The eREG for answering proceeds detection.
A kind of one side of the application, there is provided control channel transmission method, including：
It is determined that at least one Physical Resource Block pair for transmitting control channel；
The corresponding eREG of corresponding each eCCE of aggregation level and the aggregation level according to the control channel, it is determined that Each Physical Resource Block centering is used to map the eREG information of the control channel, the eREG of each Physical Resource Block centering It is to be mapped to described each mapping area of Physical Resource Block centering first using first mapping ruler, and using described the Two mapping rulers are mapped to the eREG of each mapping area of Physical Resource Block centering second, and first mapping area is by passing Transmission of data Resource Unit composition, second mapping area by described each Physical Resource Block centering reference signal and/or its The Resource Unit composition of his control channel mapping；
EREG information according to the determination, the eREG information that the control channel is mapped into the determination is corresponding On eREG；
On the position of eREG for mapping the control channel, the control information that the control channel is carried is sent.
A kind of another aspect of the application, there is provided control channel transmission method, including：
It is determined that at least one Physical Resource Block pair for transmitting control channel；
The corresponding eREG of the corresponding candidate eCCE of candidate's aggregation level Lk and the Lk according to the control channel, it is determined that Each Physical Resource Block centering is used to map the eREG information of the control channel, the eREG of each Physical Resource Block centering It is to be mapped to described each mapping area of Physical Resource Block centering first using first mapping ruler, and using described the Two mapping rulers are mapped to the eREG of each mapping area of Physical Resource Block centering second, and first mapping area is by passing Transmission of data Resource Unit composition, second mapping area by described each Physical Resource Block centering reference signal and/or its The Resource Unit composition of his control channel mapping；Wherein, k is integer, and Lk is any one in k candidate's aggregation level；
EREG information according to the determination, the corresponding eREG of candidate eCCE corresponding to the Lk detects, works as inspection When surveying correct, parsing obtains the control information that the control channel is carried from the detection correct eREG, when detection not just When really, to other candidate's aggregation levels corresponding candidate eCCE couples in the k candidate aggregation level in addition to the Lk The eREG for answering proceeds detection.
A kind of another aspect of the application, there is provided base station, including：
Determining unit, for determining at least one Physical Resource Block pair for transmitting control channel, and according to described The aggregation level of control channel and the corresponding eREG of corresponding each eCCE of the aggregation level, determine each Physical Resource Block pair In for mapping the eREG information of the control channel, the numbering of the eREG of each Physical Resource Block centering, with described every The corresponding Resource Unit in center of individual Physical Resource Block pair as Base Serial Number, sequentially to the corresponding resource list of marginal position First cycle arrangement；
Map unit, for the eREG information determined according to the determining unit, the control channel is mapped to described On the corresponding eREG of eREG information of determination；
Transmitting element, the position of the eREG for mapping the control channel in the map unit, sends the control The control information of channel bearing processed.
A kind of another aspect of the application, there is provided terminal, including：
Determining unit, it is determined that at least one Physical Resource Block pair for transmitting control channel, and according to the control The corresponding eREG of the corresponding candidate eCCE of candidate's aggregation level Lk and the Lk of channel, determine that each Physical Resource Block centering is used In the eREG information for mapping the control channel, the numbering of the eREG of each Physical Resource Block centering, with described each thing The corresponding Resource Unit in center of Resource Block pair is managed as Base Serial Number, is sequentially followed to the corresponding Resource Unit of marginal position Circle permutation；Wherein, k is integer, and Lk is any one in k candidate's aggregation level；
Detection unit, for the eREG information determined according to the determining unit, to the Lk corresponding candidates eCCE couples The eREG for answering is detected, when detecting correct, parsing obtains the control channel carrying from the detection correct eREG Control information, when detecting incorrect, other candidates in addition to the Lk in the k candidate aggregation level are polymerized The corresponding eREG of the corresponding candidate eCCE of rank proceed detection.
A kind of another aspect of the application, there is provided base station, including：
Determining unit, for determining at least one Physical Resource Block pair for transmitting control channel, and according to described The aggregation level of control channel and the corresponding eREG of corresponding each eCCE of the aggregation level, determine each Physical Resource Block pair In for mapping the eREG information of the control channel, the eREG of each Physical Resource Block centering is to be reflected using described first Penetrate rule and be mapped to described each mapping area of Physical Resource Block centering first, and be mapped to using second mapping ruler The eREG of each mapping area of Physical Resource Block centering second, first mapping area by transmission data Resource Unit Composition, second mapping area is mapped by described each Physical Resource Block centering reference signal and/or other control channels Resource Unit is constituted；
Map unit, for the eREG information determined according to the determining unit, the control channel is mapped to described On the corresponding eREG of eREG information of determination；
Transmitting element, the position of the eREG for mapping the control channel in the map unit, sends the control The control information of channel bearing processed.
A kind of another aspect of the application, there is provided terminal, including：
Determining unit, for determining at least one Physical Resource Block pair for transmitting control channel, and according to described The corresponding eREG of the corresponding candidate eCCE of candidate's aggregation level Lk and the Lk of control channel, determine each Physical Resource Block pair In for mapping the eREG information of the control channel, the eREG of each Physical Resource Block centering is to be reflected using described first Penetrate rule and be mapped to described each mapping area of Physical Resource Block centering first, and be mapped to using second mapping ruler The eREG of each mapping area of Physical Resource Block centering second, first mapping area by transmission data Resource Unit Composition, second mapping area is mapped by described each Physical Resource Block centering reference signal and/or other control channels Resource Unit is constituted；Wherein, k is integer, and Lk is any one in k candidate's aggregation level；
Detection unit, for the eREG information determined according to the determining unit, to the Lk corresponding candidates eCCE couples The eREG for answering is detected, when detecting correct, parsing obtains the control channel carrying from the detection correct eREG Control information, when detecting incorrect, other candidates in addition to the Lk in the k candidate aggregation level are polymerized The corresponding eREG of the corresponding candidate eCCE of rank proceed detection.
As shown from the above technical solution, on the one hand, the embodiment of the present application is by determining for transmitting control channel at least One Physical Resource Block pair, and then aggregation level and the aggregation level according to the control channel is corresponding each eCCE pairs The eREG for answering, determines each Physical Resource Block centering for mapping the eREG information of the control channel, each physics money The numbering of the eREG of source block centering, is compiled using the corresponding Resource Unit in the center of each Physical Resource Block pair as starting Number, sequentially to the corresponding Resource Unit cycle arrangement of marginal position, and according to the eREG information of the determination, by the control Channel is mapped on the corresponding eREG of eREG information of the determination, enabling in the position of the eREG for mapping the control channel Put, send the control information that the control channel is carried, it is achieved thereby that sending one by eREG in Physical Resource Block pair The control information that a little control channels such as ePDCCH is carried.
As shown from the above technical solution, on the one hand, the embodiment of the present application is by determining for transmitting control channel at least One Physical Resource Block pair, and then according to candidate's aggregation level Lk and the Lk corresponding candidate eCCE couples of the control channel The eREG for answering, determines each Physical Resource Block centering for mapping the eREG information of the control channel, each physics money The numbering of the eREG of source block centering, is compiled using the corresponding Resource Unit in the center of each Physical Resource Block pair as starting Number, sequentially to the corresponding Resource Unit cycle arrangement of marginal position；Wherein, k is integer, and Lk is in k candidate's aggregation level Any one, enabling the eREG information according to the determination, the corresponding eREG of candidate eCCE corresponding to the Lk is carried out Detection, when detecting correct, parsing obtains the control information that the control channel is carried from the detection correct eREG, when When detecting incorrect, to other the corresponding times of candidate's aggregation level in the k candidate aggregation level in addition to the Lk The corresponding eREG of eCCE are selected to proceed detection, it is achieved thereby that receiving some by eREG in Physical Resource Block pair controls letter The control information that road such as ePDCCH is carried.
As shown from the above technical solution, on the other hand, the embodiment of the present application is by determining for transmitting control channel extremely A few Physical Resource Block pair, and then corresponding each eCCE of aggregation level and the aggregation level according to the control channel Corresponding eREG, determines each Physical Resource Block centering for mapping the eREG information of the control channel, described each physics The eREG of resource block pair is to be mapped to described each map section of Physical Resource Block centering first using first mapping ruler Domain, and the eREG of each mapping area of Physical Resource Block centering second, institute are mapped to using second mapping ruler State the first mapping area to be made up of the Resource Unit of transmission data, second mapping area is by described each Physical Resource Block pair Middle reference signal and/or the Resource Unit composition of other control channels mapping, and according to the eREG information of the determination, by institute State control channel to be mapped on the corresponding eREG of eREG information of the determination, enabling mapping the control channel On the position of eREG, the control information that the control channel is carried is sent, it is achieved thereby that passing through in Physical Resource Block pair EREG sends the control information of some control channels such as ePDCCH carryings.
As shown from the above technical solution, on the other hand, the embodiment of the present application is by determining for transmitting control channel extremely A few Physical Resource Block pair, and then according to the corresponding candidate eCCE of candidate's aggregation level Lk and the Lk of the control channel Corresponding eREG, determines each Physical Resource Block centering for mapping the eREG information of the control channel, described each physics The eREG of resource block pair is to be mapped to described each map section of Physical Resource Block centering first using first mapping ruler Domain, and the eREG of each mapping area of Physical Resource Block centering second, institute are mapped to using second mapping ruler State the first mapping area to be made up of the Resource Unit of transmission data, second mapping area is by described each Physical Resource Block pair Middle reference signal and/or the Resource Unit composition of other control channels mapping；Wherein, k is integer, and Lk is k candidate's polymer grade Any one in not, enabling the eREG information according to the determination, candidate eCCE corresponding to the Lk is corresponding EREG is detected, when detecting correct, parsing obtains the control that the control channel is carried from the detection correct eREG Information processed, when detecting incorrect, to other candidate's aggregation levels in the k candidate aggregation level in addition to the Lk The corresponding eREG of corresponding candidate eCCE proceeds detection, it is achieved thereby that by eREG receptions one in Physical Resource Block pair The control information that a little control channels such as ePDCCH is carried.
Brief description of the drawings
In order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art, below will be to embodiment or existing The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are this Shens Some embodiments please, for those of ordinary skill in the art, without having to pay creative labor, can be with Other accompanying drawings are obtained according to these accompanying drawings.
The schematic flow sheet of the control channel transmission method that Fig. 1 is provided for the embodiment of the application one；
Fig. 2 is that a positions of the eREG of control channel mapping in the corresponding embodiments of Fig. 1 in Physical Resource Block pair is illustrated Figure；
Fig. 3 is that another locations of the eREG of control channel mapping in the corresponding embodiments of Fig. 1 in Physical Resource Block pair shows It is intended to；
Fig. 4 is that another locations of the eREG of control channel mapping in the corresponding embodiments of Fig. 1 in Physical Resource Block pair shows It is intended to；
Fig. 5 is that another locations of the eREG of control channel mapping in the corresponding embodiments of Fig. 1 in Physical Resource Block pair shows It is intended to；
Fig. 6 is that another locations of the eREG of control channel mapping in the corresponding embodiments of Fig. 1 in Physical Resource Block pair shows It is intended to；
The schematic flow sheet of the control channel transmission method that Fig. 7 is provided for another embodiment of the application；
The schematic flow sheet of the control channel transmission method that Fig. 8 is provided for another embodiment of the application；
The schematic flow sheet of the control channel transmission method that Fig. 9 is provided for another embodiment of the application；
The structural representation of the base station that Figure 10 is provided for another embodiment of the application；
The structural representation of the terminal that Figure 11 is provided for another embodiment of the application；
The structural representation of the terminal that Figure 12 is provided for another embodiment of the application；
The structural representation of the base station that Figure 13 is provided for another embodiment of the application；
The structural representation of the terminal that Figure 14 is provided for another embodiment of the application.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application In accompanying drawing, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described embodiment is Some embodiments of the present application, rather than whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art The every other embodiment 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.End therein End can be the user equipment in LTE system or lte-a system（User Equipment, UE）；Base station therein can be LTE ENB in system or lte-a system.
In addition, the terms "and/or", a kind of only incidence relation for describing affiliated partner, expression there may be Three kinds of relations, for example, A and/or B, can represent：Individualism A, while there is A and B, individualism B these three situations.Separately Outward, character "/" herein, typicallys represent forward-backward correlation pair as if a kind of relation of "or".
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 multiplexing Accessed with multiple access（Orthogonal Frequency Division Multiple Access, OFDMA）Mode.Under system Row resource has been partitioned into OFDM from the time（Orthogonal Frequency Division Multiple, OFDM）Symbol, has been partitioned into subcarrier from frequency.
One normal descending sub frame, includes two time slots（slot）, each time slot has 7 or 6 OFDM symbols, and one just Normal descending sub frame contains 14 OFDM symbols or 12 OFDM symbols altogether.LTE Release8/9/10 standards also define resource Block（Resource Block, RB）Size, Resource Block includes 12 subcarriers on frequency domain, is half son in time domain Frame duration（I.e. one time slot）, i.e., comprising 7 or 6 OFDM symbols.In a subframe, a pair of Resource Block of two time slots claim Be Resource Block pair（RB pair, RB couples）.In actually sending, the Resource Block that resource physically is used is to being called physics Resource Block pair（Physical RB pair, PRB couples）, it is further referred to as unit Physical Resource Block.Therefore, follow-up description nothing By being PRB, PRB pair or Physical Resource Block or Physical Resource Block pair, all referring to PRB pairs.
The various data carried in subframe, are to mark off various physical channels on the physical time-frequency resource of subframe to organize Mapping.Various physical channels can substantially be divided into two classes：Control channel and Traffic Channel.Correspondingly, the number that control channel is carried According to can be described as control data（Can be generally referred to as control information）, Traffic Channel carry data can be described as business datum（Typically It is properly termed as data）.The basic goal for sending subframe is transmission services data, and the effect of control channel is for auxiliary activities number According to transmission.
In LTE system, a complete Physical Downlink Control Channel（Physical Downlink Control Channel, PDCCH）May map to one or several control channel units（Control Channel Element, CCE）. One PDCCH may map to 1,2,4 or 8 CCE, i.e., be made up of 1,2,4 or 8 CCE, respectively corresponding aggregation level 1, and 2,4, 8。
Due to multi-user's multiple-input and multiple-output（Multiple Input Multiple Output, MIMO）And coordinate multipoint （Coordinated Multiple Points, CoMP）Etc. the introducing of technology, the physics transmitted based on precoding mode is introduced Down control channel（Physical Downlink Control Channel, PDCCH）, i.e., enhanced physical down control letter Road（Enhanced Physical Downlink Control Channel, ePDCCH）.EPDCCH can be based on the specific ginsengs of UE Examine signal i.e. demodulated reference signal（Demodulation Reference Signal, DMRS）To demodulate.Each ePDCCH still may be used To be mapped to the k logic unit similar to CCE, this is defined herein as strengthening control channel unit（enhanced Control Channel Element, eCCE）, need the UE to carry out blind Detecting in end side.The definition of aggregation level in PDCCH is continued to use, is polymerized Rank 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 by one Individual or several eREG compositions.
The schematic flow sheet of the control channel transmission method that Fig. 1 is provided for the embodiment of the application one, as shown in Figure 1.
101st, at least one Physical Resource Block pair for transmitting control channel is determined.
102nd, according to the control channel the corresponding eREG of corresponding each eCCE of aggregation level and the aggregation level, Each Physical Resource Block centering is determined for mapping the eREG information of the control channel, each Physical Resource Block centering The numbering of eREG, using the corresponding Resource Unit in the center of each Physical Resource Block pair as Base Serial Number, sequentially to The corresponding Resource Unit cycle arrangement of marginal position.
103rd, the eREG information according to the determination, the control channel is mapped to the eREG information correspondence of the determination EREG.
104th, on the position of eREG for mapping the control channel, the control information that the control channel is carried is sent.
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）.
Specifically, in 102, the eREG information of the determination can include that eREG numbers and eREG are identified.
Alternatively, in a possible implementation of the present embodiment, the centre bit of each Physical Resource Block pair Put the center of the Resource Unit that can be each Physical Resource Block centering.
Alternatively, in a possible implementation of the present embodiment, the centre bit of each Physical Resource Block pair It can be the center of each other Resource Units of the Physical Resource Block centering in addition to the Resource Unit that PDCCH maps to put Position.
Alternatively, in a possible implementation of the present embodiment, the eREG of each Physical Resource Block centering Can by described each Physical Resource Block at least one of Resource Unit constitute.
Alternatively, in a possible implementation of the present embodiment, the eREG of each Physical Resource Block centering Can be by described each Physical Resource Block centering in addition to the Resource Unit that reference signal and/or other control channels map At least one of other Resource Units Resource Unit is constituted.
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 of.
Alternatively, in a possible implementation of the present embodiment, in 102, described each Physical Resource Block pair In eREG numbering, can using the corresponding Resource Unit in the center of each Physical Resource Block pair as starting compile Number, in the shape of a spiral sequentially to the corresponding Resource Unit cycle arrangement of marginal position.
Specifically, it can be assumed that the center of each Physical Resource Block pair is（A, b）, each Physical Resource Block centering The number of Resource Unit is M.The numbering of the M Resource Unit can be with the center pair of each Physical Resource Block pair The Resource Unit answered sequentially is incremented by is arranged to the corresponding Resource Unit of marginal position in the shape of a spiral as Base Serial Number, below with As a example by left-hand circular arrangement.Assuming that each Physical Resource Block centering includes N number of eREG, N is each Physical Resource Block centering The number of eREG.
So, it is possible, firstly, to according to (x-n) %N=0, the Resource Unit of the M Resource Unit that n-th eREG includes is determined Numbering.Wherein, n is the eREG numberings of the eREG in each unit resource cell block, and span is 1 to the integer between N；x It is the Resource Unit numbering in corresponding M Resource Unit, span is 1 to the integer between M.
Then, according to 1Under n+1N is right+2On n+2N is left+3Under n+3N is right+4On n+4N is left+……+knx=x-1, determines n-th position of eREG Put.Wherein, under n, n is right, n it is upper with n left representations using the corresponding Resource Unit in center as original position, in the shape of a spiral with inverse Sequentially to marginal position corresponding Resource Unit arrangement unit resource unit, nx is to meet the k institutes of above-mentioned equation really to clockwise Under fixed n, n is right, n is upper and n is left one.
So far, equation 1 will be metUnder n+1N is right+2On n+2N is left+3Under n+3N is right+4On n+4N is left+……+knxThe 1 of=x-1Under n、1N is right、2On n、 2N is left、3Under n、3N is right、4On n、4N is left... and knxSue for peace in each direction, then n-th eREG can be determined relative to center The Resource Unit of skew, so that it is determined that n-th position of eREG.
Below will be with a Physical Resource Block pair（168 Resource Units are included altogether）, 12 subcarriers are included on frequency domain, As a example by including 14 OFDM symbols in time domain, its center can be the centre bit of the Resource Unit of Physical Resource Block centering Put, i.e. the intermediate value of frequency domain and time domain, in order to simplify statement, the 6th subcarrier, the 7th OFDM symbol pair are represented in following form The Resource Unit answered, i.e.,（6,7）.Position below can be simplified with this form and represent.
Assuming that the internal eREG numbers of Physical Resource Block are 16, can be determined n-th in 16 eREG according to (x-n) %16=0 Resource Unit numbering in 168 Resource Units that individual eREG includes.Such as, eREG1 corresponding 168 is can determine that according to the method described above Resource Unit numbering x in individual Resource Unit is respectively 1,17,33,49,65,81,97,113,129,145 and 161.Then, root According to 1Under n+1N is right+2On n+2N is left+3Under n+3N is right+4On n+4N is left+……+knx=x-1, determines the position corresponding to above-mentioned each Resource Unit x Put.
Such as, x=1 substitution above formulas are determined to number the position of the Resource Unit for being 1, due to not having relative to center Skew, then can determine that the position for numbering the Resource Unit for being 1 is（6,7）
For another example, x=17 substitution above formulas are determined to number the position of the Resource Unit for being 17,1Under n+1N is right+2On n+2N is left+3Under n+ 3N is right+4On n=17-1, the Resource Unit offset downward relative to center is 4, relative to the resource that center offsets to the right Unit is 4, and the Resource Unit offset up relative to center is 6, relative to the Resource Unit that center offsets to the left It is 2, therefore, then can determine that the position for numbering the Resource Unit for being 17 is（4,9）.
For another example, x=33 substitution above formulas are determined to number the position of the Resource Unit for being 33,1Under n+1N is right+2On n+2N is left+3Under n+ 3N is right+4On n+4N is left+5Under n+5N is right+2On n=33-1, the Resource Unit offset downward relative to center is 9, relative to center The Resource Unit for offseting to the right is 9, is 8 relative to the Resource Unit that center offsets up, relative to center to the left The Resource Unit of skew is 6, therefore, then can determine that the position for numbering the Resource Unit for being 33 is（7,10）.
By that analogy, using the above method can determine each eREG includes in 16 eREG Resource Unit relative to The Resource Unit of Centre position deviation, so that it is determined that in 16 eREG the Resource Unit that each eREG includes position, such as Fig. 2 It is shown.Fig. 2 shows a Physical Resource Block pair being made up of 168 Resource Units, and each lattice represents a resource Unit, numbering therein is 16 numberings of eREG, is used to represent the eREG belonging to each Resource Unit, and vertical direction represents frequency Domain resource, horizontal direction represents time-domain resource.
Alternatively, if further considering to deduct the Resource Unit of DMRS mappings, 16 can be determined using the above method The Resource Unit that each eREG includes in individual eREG relative to Centre position deviation Resource Unit, so that it is determined that 16 eREG In the positions of Resource Unit that include of each eREG, as shown in figure 3, wherein, the resource list of horizontal line shadow representation DMRS mappings Unit.Fig. 3 shows one by 168 Resource Units（Wherein, comprising 24 Resource Units of DMRS mappings, over these locations The eREG and corresponding numbering for having mapped are deducted）The Physical Resource Block pair of composition, each lattice represents a resource Unit, numbering therein is 16 numberings of eREG, is used to represent the eREG belonging to each Resource Unit, and vertical direction represents frequency Domain resource, horizontal direction represents time-domain resource.
Alternatively, if skipping 24 Resource Units of DMRS mappings when further considering that eREG maps, i.e., with each Physical Resource Block is to the corresponding Resource Unit in center selected as Base Serial Number sequentially to the corresponding resource of marginal position Unit cycle arrangement, the Resource Unit for running into DMRS mappings is then skipped.So that it is determined that each eREG includes in 16 eREG The position of Resource Unit, as shown in figure 4, wherein, the Resource Unit of horizontal line shadow representation DMRS mappings.Each lattice is represented One Resource Unit, numbering therein is 16 numberings of eREG, is used to represent the eREG belonging to each Resource Unit, Vertical Square To frequency domain resource is represented, horizontal direction represents time-domain resource.
Below will be with a Physical Resource Block pair（168 Resource Units are included altogether）, 12 subcarriers are included on frequency domain, As a example by including 14 OFDM symbols in time domain, its center can be the money that Physical Resource Block centering maps except PDCCH The center of other Resource Units outside source unit.Similarly, it is still assumed that the internal eREG numbers of Physical Resource Block are 16, using the above method each eREG includes in 16 eREG Resource Unit can be determined relative to Centre position deviation Resource Unit, so that it is determined that in 16 eREG the Resource Unit that each eREG includes position, wherein DMRS mapping 24 The eREG and corresponding numbering mapped on Resource Unit position are deducted, as shown in figure 5, wherein, horizontal line shadow representation The Resource Unit of DMRS mappings, diagonal line hatches represent the Resource Unit of PDCCH mappings.
Alternatively, if skipping 24 Resource Units of DMRS mappings when further considering that eREG maps, i.e., with physics The corresponding Resource Unit in center of other Resource Units of the resource block pair in addition to the Resource Unit that PDCCH maps is made Be Base Serial Number sequentially to the corresponding Resource Unit cycle arrangement of marginal position, the Resource Unit for running into DMRS mappings is then skipped. So that it is determined that in 16 eREG the Resource Unit that each eREG includes position, as shown in fig. 6, wherein, horizontal line shadow representation The Resource Unit of DMRS mappings, diagonal line hatches represent the Resource Unit of PDCCH mappings.Each lattice represents a resource list Unit, numbering therein is 16 numberings of eREG, is used to represent the eREG belonging to each Resource Unit, and vertical direction represents frequency domain Resource, horizontal direction represents time-domain resource.
Be can be seen that using the technical scheme of the present embodiment from Fig. 2~Fig. 6, had the following advantages：
EREG as much as possible can be distributed in each OFDM symbol；
The performance of each eREG is as equal as possible, i.e. each eREG had both included Physical Resource Block to middle Resource Unit, Also Resource Unit of the Physical Resource Block to edge is included；
The size approximately equal of each eREG.
So, if centerized fusion transmission is also each as if basic transmitting element, then ensure that using eREG Individual eREG combines the eCCE to be formed and equally meets above-mentioned three rule.
It is understood that if right-hand circular is arranged, then the equation can be could alternatively be into 1N is right+1Under n+ 2N is left+2On n+3N is right+3Under n+4N is left+4On n+……+knx=x-1, other processes are similar to, and here is omitted.
Alternatively, in a possible implementation of the present embodiment, in 102, described each Physical Resource Block pair In eREG numbering, can using the corresponding Resource Unit in the center of each Physical Resource Block pair as starting compile Number, annularly sequentially to the corresponding Resource Unit cycle arrangement of marginal position.
In the present embodiment, by determining at least one Physical Resource Block pair for transmitting control channel, and then according to institute The corresponding eREG of corresponding each eCCE of aggregation level and the aggregation level of control channel are stated, each Physical Resource Block is determined Centering is used to map the eREG information of the control channel, the numbering of the eREG of each Physical Resource Block centering, with described The corresponding Resource Unit in center of each Physical Resource Block pair as Base Serial Number, sequentially to the corresponding resource of marginal position Unit cycle arrangement, and according to the eREG information of the determination, the control channel is mapped to the eREG letters of the determination Cease on corresponding eREG, enabling on the position of eREG for mapping the control channel, send the control channel and carry Control information, it is achieved thereby that in Physical Resource Block pair by eREG send some control channels such as ePDCCH carry Control information.
The schematic flow sheet of the control channel transmission method that Fig. 7 is provided for another embodiment of the application, as shown in Figure 7.
701st, at least one Physical Resource Block pair for transmitting control channel is determined.
702nd, the corresponding eREG of the corresponding candidate eCCE of candidate's aggregation level Lk and the Lk according to the control channel, Each Physical Resource Block centering is determined for mapping the eREG information of the control channel, each Physical Resource Block centering The numbering of eREG, using the corresponding Resource Unit in the center of each Physical Resource Block pair as Base Serial Number, sequentially to The corresponding Resource Unit cycle arrangement of marginal position；Wherein, k is integer, and Lk is any one in k candidate's aggregation level.
703rd, the eREG information according to the determination, the corresponding eREG of candidate eCCE corresponding to the Lk detects, When detecting correct, parsing obtains the control information that the control channel is carried from the detection correct eREG, works as detection When incorrect, to the corresponding candidate of other candidate's aggregation levels in the k candidate aggregation level in addition to the Lk The corresponding eREG of eCCE proceed detection.
It should be noted that 701~703 executive agent can be terminal.
Specifically, when detecting incorrect, to other candidates in the k candidate aggregation level in addition to the Lk The corresponding eREG of the corresponding candidate eCCE of aggregation level proceed detection, untill detection is correct, or to all of time Untill selecting the corresponding eREG detections of the corresponding candidate eCCE of aggregation level to finish.
Wherein, the control channel is specifically as follows enhanced Physical Downlink Control Channel（Enhanced Physical Downlink Control Channel, ePDCCH）.
Specifically, at 702, the eREG information of the determination can include that eREG numbers and eREG are identified.
Alternatively, in a possible implementation of the present embodiment, the centre bit of each Physical Resource Block pair Put the center of the Resource Unit that can be each Physical Resource Block centering.
Alternatively, in a possible implementation of the present embodiment, the centre bit of each Physical Resource Block pair It can be the center of each other Resource Units of the Physical Resource Block centering in addition to the Resource Unit that PDCCH maps to put Position.
Alternatively, in a possible implementation of the present embodiment, the eREG of each Physical Resource Block centering Can by described each Physical Resource Block at least one of Resource Unit constitute.
Alternatively, in a possible implementation of the present embodiment, the eREG of each Physical Resource Block centering Can be by described each Physical Resource Block centering in addition to the Resource Unit that reference signal and/or other control channels map At least one of other Resource Units Resource Unit is constituted.
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 of.
Alternatively, in a possible implementation of the present embodiment, at 702, described each Physical Resource Block pair In eREG numbering, can using the corresponding Resource Unit in the center of each Physical Resource Block pair as starting compile Number, in the shape of a spiral sequentially to the corresponding Resource Unit cycle arrangement of marginal position.
Alternatively, in a possible implementation of the present embodiment, at 702, described each Physical Resource Block pair In eREG numbering, can using the corresponding Resource Unit in the center of each Physical Resource Block pair as starting compile Number, annularly sequentially to the corresponding Resource Unit cycle arrangement of marginal position.
Detailed description may refer to the associated description in the corresponding embodiments of Fig. 1, and here is omitted.
In the present embodiment, by determining at least one Physical Resource Block pair for transmitting control channel, and then according to institute The corresponding eREG of the corresponding candidate eCCE of candidate's aggregation level Lk and the Lk of control channel are stated, each Physical Resource Block is determined Centering is used to map the eREG information of the control channel, the numbering of the eREG of each Physical Resource Block centering, with described The corresponding Resource Unit in center of each Physical Resource Block pair as Base Serial Number, sequentially to the corresponding resource of marginal position Unit cycle arrangement；Wherein, k is integer, and Lk is any one in k candidate's aggregation level, enabling according to described true Fixed eREG information, the corresponding eREG of candidate eCCE corresponding to the Lk is detected, when detecting correct, from the detection Parsing obtains the control information that the control channel is carried in correct eREG, poly- to the k candidate when detecting incorrect The corresponding eREG of the corresponding candidate eCCE of other candidate's aggregation levels in conjunction rank in addition to the Lk proceed detection, It is achieved thereby that receiving the control information that some control channels such as ePDCCH is carried by eREG in Physical Resource Block pair.
The schematic flow sheet of the control channel transmission method that Fig. 8 is provided for another embodiment of the application, as shown in Figure 8.
801st, at least one Physical Resource Block pair for transmitting control channel is determined.
802nd, according to the control channel the corresponding eREG of corresponding each eCCE of aggregation level and the aggregation level, Each Physical Resource Block centering is determined for mapping the eREG information of the control channel, each Physical Resource Block centering EREG is to be mapped to described each mapping area of Physical Resource Block centering first using first mapping ruler, and utilizes institute State the eREG that the second mapping ruler is mapped to each mapping area of Physical Resource Block centering second, first mapping area Be made up of the Resource Unit of transmission data, second mapping area by described each Physical Resource Block centering reference signal and/ Or the Resource Unit composition of other control channels mapping.
803rd, the eREG information according to the determination, the control channel is mapped to the eREG information correspondence of the determination EREG on.
804th, on the position of eREG for mapping the control channel, the control information that the control channel is carried is sent.
It should be noted that 801~804 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）.
Specifically, in 802, the eREG information of the determination can include that eREG numbers and eREG are identified.
Alternatively, in a possible implementation of the present embodiment, first mapping ruler reflects with described second Penetrating rule with identical, or can also be without identical, and the present embodiment is not defined to this.
In the present embodiment, by determining at least one Physical Resource Block pair for transmitting control channel, and then according to institute The corresponding eREG of corresponding each eCCE of aggregation level and the aggregation level of control channel are stated, each Physical Resource Block is determined Centering is used to map the eREG information of the control channel, and the eREG of each Physical Resource Block centering is using described first Mapping ruler is mapped to described each mapping area of Physical Resource Block centering first, and using second mapping ruler mapping To the eREG of each mapping area of Physical Resource Block centering second, first mapping area by transmission data resource list Unit's composition, second mapping area is mapped by described each Physical Resource Block centering reference signal and/or other control channels Resource Unit composition, and according to the eREG information of the determination, the control channel is mapped to the eREG of the determination On the corresponding eREG of information, enabling on the position of eREG for mapping the control channel, send the control channel and hold The control information of load, it is achieved thereby that send some control channels such as ePDCCH by eREG in Physical Resource Block pair carrying Control information.
The schematic flow sheet of the control channel transmission method that Fig. 9 is provided for another embodiment of the application, as shown in Figure 9.
901st, at least one Physical Resource Block pair for transmitting control channel is determined.
902nd, the corresponding eREG of the corresponding candidate eCCE of candidate's aggregation level Lk and the Lk according to the control channel, Each Physical Resource Block centering is determined for mapping the eREG information of the control channel, each Physical Resource Block centering EREG is to be mapped to described each mapping area of Physical Resource Block centering first using first mapping ruler, and utilizes institute State the eREG that the second mapping ruler is mapped to each mapping area of Physical Resource Block centering second, first mapping area Be made up of the Resource Unit of transmission data, second mapping area by described each Physical Resource Block centering reference signal and/ Or the Resource Unit composition of other control channels mapping；Wherein, k is integer, and Lk is any one in k candidate's aggregation level It is individual.
903rd, the eREG information according to the determination, the corresponding eREG of candidate eCCE corresponding to the Lk detects, When detecting correct, parsing obtains the control information that the control channel is carried from the detection correct eREG, works as detection When incorrect, to the corresponding candidate of other candidate's aggregation levels in the k candidate aggregation level in addition to the Lk The corresponding eREG of eCCE proceed detection.
It should be noted that 901~903 executive agent can be terminal.
Wherein, the control channel is specifically as follows enhanced Physical Downlink Control Channel（Enhanced Physical Downlink Control Channel, ePDCCH）.
Specifically, in 902, the eREG information of the determination can include that eREG numbers and eREG are identified.
Alternatively, in a possible implementation of the present embodiment, first mapping ruler reflects with described second Penetrating rule with identical, or can also be without identical, and the present embodiment is not defined to this.
In the present embodiment, by determining at least one Physical Resource Block pair for transmitting control channel, and then according to institute The corresponding eREG of the corresponding candidate eCCE of candidate's aggregation level Lk and the Lk of control channel are stated, each Physical Resource Block is determined Centering is used to map the eREG information of the control channel, and the eREG of each Physical Resource Block centering is using described first Mapping ruler is mapped to described each mapping area of Physical Resource Block centering first, and using second mapping ruler mapping To the eREG of each mapping area of Physical Resource Block centering second, first mapping area by transmission data resource list Unit's composition, second mapping area is mapped by described each Physical Resource Block centering reference signal and/or other control channels Resource Unit composition；Wherein, k is integer, and Lk is any one in k candidate's aggregation level, enabling according to described The eREG information of determination, the corresponding eREG of candidate eCCE corresponding to the Lk is detected, when detecting correct, from the inspection Survey parsing in correct eREG and obtain the control information that the control channel is carried, when detecting incorrect, to the k candidate The corresponding eREG of the corresponding candidate eCCE of other candidate's aggregation levels in aggregation level in addition to the Lk proceed inspection Survey, it is achieved thereby that receiving the control letter that some control channels such as ePDCCH is carried by eREG in Physical Resource Block pair Breath.
It should be noted that for foregoing each method embodiment, in order to be briefly described, therefore it is all expressed as 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 sequentially or simultaneously be carried out using other.Secondly, those skilled in the art should also know Know, embodiment described in this description belongs to preferred embodiment, involved action and module not necessarily the application It is necessary.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not have the portion described in detail in certain embodiment Point, may refer to the associated description of other embodiment.
The structural representation of the base station that Figure 10 is provided for another embodiment of the application, as shown in Figure 10, the base of the present embodiment Station can include determining that unit 1001, map unit 1002 and transmitting element 1003.Wherein it is determined that unit 1001 is used to determine to use In at least one Physical Resource Block pair of transmission control channel, and the aggregation level according to the control channel and the polymerization The corresponding eREG of corresponding each eCCE of rank, determine each Physical Resource Block centering for mapping the eREG of the control channel Information, the numbering of the eREG of each Physical Resource Block centering, with the center correspondence of each Physical Resource Block pair Resource Unit as Base Serial Number, sequentially to the corresponding Resource Unit cycle arrangement of marginal position；The map unit 1002 For the eREG information determined according to the determining unit 1001, the control channel is mapped to the eREG information of the determination On corresponding eREG；Transmitting element 1003, the position of the eREG for mapping the control channel in the map unit 1002 On, send the control information that the control channel is carried.
Wherein, the control channel is specifically as follows enhanced Physical Downlink Control Channel（Enhanced Physical Downlink Control Channel, ePDCCH）.
Specifically, the eREG information that the determining unit 1001 determines can include that eREG numbers and eREG are identified.
Alternatively, in a possible implementation of the present embodiment, the centre bit of each Physical Resource Block pair Put the center of the Resource Unit that can be each Physical Resource Block centering.
Alternatively, in a possible implementation of the present embodiment, the centre bit of each Physical Resource Block pair It can be the center of each other Resource Units of the Physical Resource Block centering in addition to the Resource Unit that PDCCH maps to put Position.
Alternatively, in a possible implementation of the present embodiment, the eREG of each Physical Resource Block centering Can by described each Physical Resource Block at least one of Resource Unit constitute.
Alternatively, in a possible implementation of the present embodiment, the eREG of each Physical Resource Block centering Can be by described each Physical Resource Block centering in addition to the Resource Unit that reference signal and/or other control channels map At least one of other Resource Units Resource Unit is constituted.
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 of.
Alternatively, in a possible implementation of the present embodiment, the eREG of each Physical Resource Block centering Numbering, can be using the corresponding Resource Unit in the center of each Physical Resource Block pair as Base Serial Number, helically Shape is sequentially to the corresponding Resource Unit cycle arrangement of marginal position.
Alternatively, in a possible implementation of the present embodiment, if each Physical Resource Block centering The numbering of eREG, can be in using the corresponding Resource Unit in the center of each Physical Resource Block pair as Base Serial Number Helical form is sequentially to the corresponding Resource Unit cycle arrangement of marginal position.Correspondingly, map unit 1002 can also further root According to (x-n) %N=0, the Resource Unit numbering of the M Resource Unit that n-th eREG includes is determined；Wherein, M is each physical resource The number of the Resource Unit of block centering.Wherein, n is the eREG numberings of each Physical Resource Block centering eREG, and span is arrived for 1 Integer between N, N is the number of the eREG of each Physical Resource Block centering；X is numbered for Resource Unit, and span is 1 to M Between integer；Then, according to 1Under n+1N is right+2On n+2N is left+3Under n+3N is right+4On n+4N is left+……+knx=x-1 or 1N is right+1Under n+2N is left+2On n+ 3N is right+3Under n+4N is left+4On n+……+knx=x-1, determines n-th position of eREG；Wherein, under n, n is right, n is upper and n left representations are with institute The corresponding Resource Unit in center is stated as original position, in the shape of a spiral with counterclockwise or clockwise sequentially to margin location Put corresponding Resource Unit arrangement unit resource unit, under nx is n determined by the k for meeting above-mentioned equation, n is right, n is upper and a n left sides In one；And 1 will be metUnder n+1N is right+2On n+2N is left+3Under n+3N is right+4On n+4N is left+……+knx=x-1 or 1N is right+1Under n+2N is left+2On n+ 3N is right+3Under n+4N is left+4On n+……+knxThe 1 of=x-1Under n、1N is right、2On n、2N is left、3Under n、3N is right、4On n、4N is left... and knxIn each direction Upper summation, determines Resource Units of n-th eREG relative to Centre position deviation, to determine n-th position of eREG.
Alternatively, in a possible implementation of the present embodiment, the eREG of each Physical Resource Block centering Numbering, can be using the corresponding Resource Unit in the center of each Physical Resource Block pair as Base Serial Number, annularly Sequentially to the corresponding Resource Unit cycle arrangement of marginal position.
In the present embodiment, base station determines at least one Physical Resource Block for transmitting control channel by determining unit It is right, and then the corresponding eREG of corresponding each eCCE of aggregation level and the aggregation level according to the control channel, it is determined that Each Physical Resource Block centering is used to map the eREG information of the control channel, the eREG of each Physical Resource Block centering Numbering, using the corresponding Resource Unit in the center of each Physical Resource Block pair as Base Serial Number, sequentially to edge The corresponding Resource Unit cycle arrangement in position, and the eREG information determined according to the determining unit by map unit, by institute State control channel to be mapped on the corresponding eREG of eREG information of the determination so that transmitting element can be in the map unit On the position of the eREG for mapping the control channel, the control information that the control channel is carried is sent, it is achieved thereby that in thing Reason resource block pair sends the control information that some control channels such as ePDCCH is carried by eREG.
The structural representation of the terminal that Figure 11 is provided for another embodiment of the application, as shown in figure 11, the end of the present embodiment End can include determining that unit 1101 and detection unit 1102.Wherein it is determined that unit 1101, it is determined that for transmitting control channel At least one Physical Resource Block pair, and according to the corresponding candidate of candidate's aggregation level Lk and the Lk of the control channel The corresponding eREG of eCCE, determine each Physical Resource Block centering for mapping the eREG information of the control channel, it is described each The numbering of the eREG of Physical Resource Block centering, using the corresponding Resource Unit in the center of each Physical Resource Block pair as Base Serial Number, sequentially to the corresponding Resource Unit cycle arrangement of marginal position；Wherein, k is integer, and Lk is k candidate's polymer grade Not in any one；Detection unit 1102, for the eREG information determined according to the determining unit 1101, to described Lk pairs The corresponding eREG of candidate eCCE for answering are detected, when detecting correct, parsing obtains institute from the detection correct eREG State control channel carrying control information, when detect it is incorrect when, in the k candidate aggregation level in addition to the Lk The corresponding eREG of the corresponding candidate eCCE of other candidate's aggregation levels proceed detection.
Wherein, the control channel is specifically as follows enhanced Physical Downlink Control Channel（Enhanced Physical Downlink Control Channel, ePDCCH）.
Specifically, the eREG information that the determining unit 1101 determines can include that eREG numbers and eREG are identified.
Alternatively, in a possible implementation of the present embodiment, the centre bit of each Physical Resource Block pair Put the center of the Resource Unit that can be each Physical Resource Block centering.
Alternatively, in a possible implementation of the present embodiment, the centre bit of each Physical Resource Block pair It can be the center of each other Resource Units of the Physical Resource Block centering in addition to the Resource Unit that PDCCH maps to put Position.
Alternatively, in a possible implementation of the present embodiment, the eREG of each Physical Resource Block centering Can by described each Physical Resource Block at least one of Resource Unit constitute.
Alternatively, in a possible implementation of the present embodiment, the eREG of each Physical Resource Block centering Can be by described each Physical Resource Block centering in addition to the Resource Unit that reference signal and/or other control channels map At least one of other Resource Units Resource Unit is constituted.
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 of.
Alternatively, in a possible implementation of the present embodiment, the eREG of each Physical Resource Block centering Numbering, can be using the corresponding Resource Unit in the center of each Physical Resource Block pair as Base Serial Number, helically Shape is sequentially to the corresponding Resource Unit cycle arrangement of marginal position.
Alternatively, in a possible implementation of the present embodiment, if each Physical Resource Block centering The numbering of eREG, can be in using the corresponding Resource Unit in the center of each Physical Resource Block pair as Base Serial Number Helical form is sequentially to the corresponding Resource Unit cycle arrangement of marginal position.Correspondingly, as shown in figure 12, the end that the present embodiment is provided End can further include map unit 1201, for according to (x-n) %N=0, determining the M resource list that n-th eREG includes The Resource Unit numbering of unit；Wherein, M is the number of the Resource Unit of each Physical Resource Block centering.Wherein, n is each physics The eREG numberings of the eREG of resource block pair, span is 1 to the integer between N, and N is each Physical Resource Block centering The number of eREG；X is numbered for Resource Unit, and span is 1 to the integer between M；Then, according to 1Under n+1N is right+2On n+2N is left+ 3Under n+3N is right+4On n+4N is left+……+knx=x-1 or 1N is right+1Under n+2N is left+2On n+3N is right+3Under n+4N is left+4On n+……+knx=x-1, determines n-th The position of individual eREG；Wherein, under n, n is right, n it is upper with n left representations using the corresponding Resource Unit in the center as start bit Put, in the shape of a spiral sequentially to arrange unit resource unit to the corresponding Resource Unit of marginal position counterclockwise or clockwise, Under nx is n determined by the k for meeting above-mentioned equation, n is right, n is upper and n is left one；And 1 will be metUnder n+1N is right+2On n+2N is left+ 3Under n+3N is right+4On n+4N is left+……+knx=x-1 or 1N is right+1Under n+2N is left+2On n+3N is right+3Under n+4N is left+4On n+……+knxThe 1 of=x-1Under n、 1N is right、2On n、2N is left、3Under n、3N is right、4On n、4N is left... and knxSue for peace in each direction, determine n-th eREG relative to centre bit The Resource Unit of skew is put, to determine n-th position of eREG.
Alternatively, in a possible implementation of the present embodiment, the eREG of each Physical Resource Block centering Numbering, can be using the corresponding Resource Unit in the center of each Physical Resource Block pair as Base Serial Number, annularly Sequentially to the corresponding Resource Unit cycle arrangement of marginal position.
In the present embodiment, terminal determines at least one Physical Resource Block for transmitting control channel by determining unit It is right, and then according to the corresponding eREG of the corresponding candidate eCCE of candidate's aggregation level Lk and the Lk of the control channel, it is determined that Each Physical Resource Block centering is used to map the eREG information of the control channel, the eREG of each Physical Resource Block centering Numbering, using the corresponding Resource Unit in the center of each Physical Resource Block pair as Base Serial Number, sequentially to edge The corresponding Resource Unit cycle arrangement in position；Wherein, k is integer, and Lk is any one in k candidate's aggregation level so that The eREG information that detection unit can determine according to the determining unit, the corresponding eREG of candidate eCCE corresponding to the Lk enters Row detection, when detecting correct, parsing obtains the control information that the control channel is carried from the detection correct eREG, It is corresponding to other candidate's aggregation levels in the k candidate aggregation level in addition to the Lk when detecting incorrect The corresponding eREG of candidate eCCE proceed detection, it is achieved thereby that receive some by eREG in Physical Resource Block pair controlling The control information that channel such as ePDCCH is carried.
The structural representation of the base station that Figure 13 is provided for another embodiment of the application, as shown in figure 13, the base of the present embodiment Station can include determining that unit 1301, map unit 1302 and transmitting element 1303.Wherein it is determined that unit 1301 is used to determine to use In at least one Physical Resource Block pair of transmission control channel, and the aggregation level according to the control channel and the polymerization The corresponding eREG of corresponding each eCCE of rank, determine each Physical Resource Block centering for mapping the eREG of the control channel Information, the eREG of each Physical Resource Block centering is to be mapped to described each physical resource using first mapping ruler The mapping area of block centering first, and be mapped to described each Physical Resource Block centering second using second mapping ruler and reflect The eREG in region is penetrated, first mapping area is made up of the Resource Unit of transmission data, and second mapping area is by described Each Physical Resource Block centering reference signal and/or the Resource Unit composition of other control channels mapping；Map unit 1302, uses In the eREG information determined according to the determining unit 1301, the control channel is mapped to the eREG information pair of the determination On the eREG for answering；Transmitting element 1303, the position of the eREG for mapping the control channel in the map unit 1302, Send the control information that the control channel is carried.
Wherein, the control channel is specifically as follows enhanced Physical Downlink Control Channel（Enhanced Physical Downlink Control Channel, ePDCCH）.
Specifically, the eREG information that the determining unit 1301 determines can include that eREG numbers and eREG are identified.
In the present embodiment, base station determines at least one Physical Resource Block for transmitting control channel by determining unit It is right, and then the corresponding eREG of corresponding each eCCE of aggregation level and the aggregation level according to the control channel, it is determined that Each Physical Resource Block centering is used to map the eREG information of the control channel, the eREG of each Physical Resource Block centering It is to be mapped to described each mapping area of Physical Resource Block centering first using first mapping ruler, and using described the Two mapping rulers are mapped to the eREG of each mapping area of Physical Resource Block centering second, and first mapping area is by passing Transmission of data Resource Unit composition, second mapping area by described each Physical Resource Block centering reference signal and/or its The Resource Unit composition of his control channel mapping, and the eREG information determined according to the determining unit by map unit, will The control channel is mapped on the corresponding eREG of eREG information of the determination so that transmitting element can be single in the mapping On the position of the eREG of unit's mapping control channel, the control information that the control channel is carried is sent, it is achieved thereby that Physical Resource Block centering sends the control information that some control channels such as ePDCCH is carried by eREG.
The structural representation of the terminal that Figure 14 is provided for another embodiment of the application, as shown in figure 14, the end of the present embodiment End can include determining that unit 1401 and detection unit 1402.Wherein it is determined that unit 1401, for determining for transmitting control letter At least one Physical Resource Block pair in road, and according to the corresponding time of candidate's aggregation level Lk and the Lk of the control channel The corresponding eREG of eCCE are selected, each Physical Resource Block centering is determined for mapping the eREG information of the control channel, it is described every The eREG of individual Physical Resource Block centering is to be mapped to described each Physical Resource Block centering first using first mapping ruler Mapping area, and it is mapped to each mapping area of Physical Resource Block centering second using second mapping ruler EREG, first mapping area is made up of the Resource Unit of transmission data, and second mapping area is by described each physics Resource block pair reference signal and/or the Resource Unit composition of other control channels mapping；Wherein, k is integer, and Lk is k time Select any one in aggregation level；Detection unit 1402 is right for the eREG information determined according to the determining unit 1401 The corresponding eREG of the corresponding candidate eCCE of the Lk are detected, when detecting correct, are solved from the correct eREG of detection Analysis obtains the control information that the control channel is carried, when detecting incorrect, in the k candidate aggregation level except institute State the corresponding eREG of the corresponding candidate eCCE of other candidate's aggregation levels outside Lk and proceed detection.
Specifically, the eREG information that the determining unit 1401 determines can include that eREG numbers and eREG are identified.
In the present embodiment, terminal determines at least one Physical Resource Block for transmitting control channel by determining unit It is right, and then according to the corresponding eREG of the corresponding candidate eCCE of candidate's aggregation level Lk and the Lk of the control channel, it is determined that Each Physical Resource Block centering is used to map the eREG information of the control channel, the eREG of each Physical Resource Block centering It is to be mapped to described each mapping area of Physical Resource Block centering first using first mapping ruler, and using described the Two mapping rulers are mapped to the eREG of each mapping area of Physical Resource Block centering second, and first mapping area is by passing Transmission of data Resource Unit composition, second mapping area by described each Physical Resource Block centering reference signal and/or its The Resource Unit composition of his control channel mapping；Wherein, k is integer, and Lk is any one in k candidate's aggregation level, is made The eREG information that can be determined according to the determining unit of detection unit, the corresponding eREG of candidate eCCE corresponding to the Lk Detected, when detecting correct, parsing obtains the control letter that the control channel is carried from the detection correct eREG Breath, when detecting incorrect, to other candidate's aggregation levels correspondence in the k candidate aggregation level in addition to the Lk The corresponding eREG of candidate eCCE proceed detection, it is achieved thereby that in Physical Resource Block pair by eREG receive some control The control information that channel processed such as ePDCCH is carried.
It is apparent to those skilled in the art that, for convenience and simplicity of description, the system of foregoing description, The specific work process of device and unit, 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 with Realize by another way.For example, device embodiment described above is only schematical, for example, the unit Divide, only a kind of division of logic function there can be other dividing mode when actually realizing, for example multiple units or component Can combine or be desirably integrated into another system, or some features can be ignored, or do not perform.It is another, it is shown or The coupling each other for discussing or direct-coupling or communication connection can be the indirect couplings of device or unit by some interfaces Close or communicate to connect, can be electrical, mechanical or other forms.
The unit that is illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit The part for showing can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple On NE.Some or all of unit therein can be according to the actual needs selected to realize the mesh of this embodiment scheme 's.
In addition, during each functional unit in the application each embodiment can be integrated in a processing unit, it is also possible to It is that unit is individually physically present, it is also possible to which two or more units are integrated in a unit.Above-mentioned integrated list 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 store and be deposited in an embodied on computer readable In storage media.Above-mentioned SFU software functional unit storage is in a storage medium, including some instructions are used to so that a computer Equipment（Can be personal computer, server, or network equipment etc.）Or processor（processor）Perform the application each The part steps of embodiment methods described.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 light Disk etc. is various can be with the medium of store program codes.
Finally it should be noted that：Above example is only used to illustrate the technical scheme of the application, rather than its limitations；Although The application has been described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used Modified with to the technical scheme described in foregoing embodiments, or equivalent is carried out to which part technical characteristic； And these modification or replace, do not make appropriate technical solution essence depart from each embodiment technical scheme of the application spirit and Scope.

Claims (20)

1. 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；
The corresponding eREG of corresponding each eCCE of aggregation level and the aggregation level according to the control channel, determine each Physical Resource Block centering is used to map the eREG information of the control channel, the volume of the eREG of each Physical Resource Block centering Number, using the corresponding Resource Unit in the center of each Physical Resource Block pair as Base Serial Number, sequentially to marginal position Corresponding Resource Unit cycle arrangement；
EREG information according to the determination, the control channel is mapped to the corresponding eREG of eREG information of the determination On；
On the position of eREG for mapping the control channel, the control information that the control channel is carried is sent.
2. method according to claim 1, it is characterised in that the numbering of the eREG of each Physical Resource Block centering, Using the corresponding Resource Unit in the center of each Physical Resource Block pair as Base Serial Number, sequentially to marginal position correspondence Resource Unit cycle arrangement, including：
The numbering of the eREG of each Physical Resource Block centering, it is corresponding with the center of each Physical Resource Block pair Resource Unit as Base Serial Number, in the shape of a spiral sequentially to the corresponding Resource Unit cycle arrangement of marginal position；Or
The numbering of the eREG of each Physical Resource Block centering, it is corresponding with the center of each Physical Resource Block pair Resource Unit as Base Serial Number, annularly sequentially to the corresponding Resource Unit cycle arrangement of marginal position.
3. method according to claim 1, it is characterised in that the center of each Physical Resource Block pair, including：
The center of the Resource Unit of each Physical Resource Block centering；Or
The centre bit of each other Resource Units of the Physical Resource Block centering in addition to the Resource Unit that PDCCH maps Put.
4. the method according to claims 1 to 3 any claim, it is characterised in that
The eREG of each Physical Resource Block centering by described each Physical Resource Block at least one of resource unit group Into；Or
The eREG of each Physical Resource Block centering by described each Physical Resource Block centering except reference signal and/or other At least one of other Resource Units outside the Resource Unit of control channel mapping Resource Unit composition.
5. the method according to claim 4 claim, it is characterised in that if each Physical Resource Block centering The numbering of eREG, using the corresponding Resource Unit in the center of each Physical Resource Block pair as Base Serial Number, helically Shape is sequentially to the corresponding Resource Unit cycle arrangement of marginal position；The eREG information according to the determination, by the control Before channel is mapped on the corresponding eREG of eREG information of the determination, also include：
According to (x-n) %N=0, the Resource Unit numbering in the M Resource Unit that n-th eREG includes is determined；Wherein, M is every The number of the Resource Unit of individual Physical Resource Block centering, wherein, n is the eREG numberings of the eREG of each Physical Resource Block centering, Span is 1 to the integer between N, and N is the number of the eREG of each Physical Resource Block centering；X is numbered for Resource Unit, is taken Value scope is 1 to the integer between M；
According to 1Under n+1N is right+2On n+2N is left+3Under n+3N is right+4On n+4N is left+……+knx=x-1 or 1N is right+1Under n+2N is left+2On n+3N is right+3Under n+4N is left+ 4On n+……+knx=x-1, determines n-th position of eREG；Wherein, under n, n is right, n is upper and n left representations are with the center Corresponding Resource Unit as original position, in the shape of a spiral with counterclockwise or clockwise sequentially to the corresponding money of marginal position Source unit arranges unit resource unit, and nx is satisfaction 1Under n+1N is right+2On n+2N is left+3Under n+3N is right+4On n+4N is left+……+knx=x-1 or 1N is right +1Under n+2N is left+2On n+3N is right+3Under n+4N is left+4On n+……+knxUnder n determined by the k of=x-1, n is right, n is upper and n is left one；
1 will be metUnder n+1N is right+2On n+2N is left+3Under n+3N is right+4On n+4N is left+……+knx=x-1 or 1N is right+1Under n+2N is left+2On n+3N is right+3Under n+ 4N is left+4On n+……+knxThe 1 of=x-1Under n、1N is right、2On n、2N is left、3Under n、3N is right、4On n、4N is left... and knxSue for peace in each direction, Resource Units of n-th eREG relative to Centre position deviation is determined, to determine n-th position of eREG.
6. 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；
The corresponding eREG of the corresponding candidate eCCE of candidate's aggregation level Lk and the Lk according to the control channel, determine each Physical Resource Block centering is used to map the eREG information of the control channel, the volume of the eREG of each Physical Resource Block centering Number, using the corresponding Resource Unit in the center of each Physical Resource Block pair as Base Serial Number, sequentially to marginal position Corresponding Resource Unit cycle arrangement；Wherein, k is integer, and Lk is any one in k candidate's aggregation level；
EREG information according to the determination, the corresponding eREG of candidate eCCE corresponding to the Lk detects, when detection just When really, parsing obtains the control information that the control channel is carried from the detection correct eREG, when detecting incorrect, It is corresponding to the corresponding candidate eCCE of other candidate's aggregation levels in the k candidate aggregation level in addition to the Lk EREG proceeds detection.
7. method according to claim 6, it is characterised in that the numbering of the eREG of each Physical Resource Block centering, Using the corresponding Resource Unit in the center of each Physical Resource Block pair as Base Serial Number, sequentially to marginal position correspondence Resource Unit cycle arrangement, including：
The numbering of the eREG of each Physical Resource Block centering, it is corresponding with the center of each Physical Resource Block pair Resource Unit as Base Serial Number, in the shape of a spiral sequentially to the corresponding Resource Unit cycle arrangement of marginal position；Or
The numbering of the eREG of each Physical Resource Block centering, it is corresponding with the center of each Physical Resource Block pair Resource Unit as Base Serial Number, annularly sequentially to the corresponding Resource Unit cycle arrangement of marginal position.
8. method according to claim 6, it is characterised in that the center of each Physical Resource Block pair, including：
The center of the Resource Unit of each Physical Resource Block centering；Or
The centre bit of each other Resource Units of the Physical Resource Block centering in addition to the Resource Unit that PDCCH maps Put.
9. the method according to claim 6~8 any claim, it is characterised in that
The eREG of each Physical Resource Block centering by described each Physical Resource Block at least one of resource unit group Into；Or
The eREG of each Physical Resource Block centering by described each Physical Resource Block centering except reference signal and/or other At least one of other Resource Units outside the Resource Unit of control channel mapping Resource Unit composition.
10. the method according to claim 9 claim, it is characterised in that if described each Physical Resource Block centering EREG numbering, using the corresponding Resource Unit in the center of each Physical Resource Block pair as Base Serial Number, in spiral shell Rotation shape is sequentially to the corresponding Resource Unit cycle arrangement of marginal position；The eREG information according to the determination, by the control Before channel processed is mapped on the corresponding eREG of eREG information of the determination, also include：
According to (x-n) %N=0, the Resource Unit numbering of the M Resource Unit that n-th eREG includes is determined；Wherein, M is each The number of the Resource Unit of Physical Resource Block centering, wherein, n is the eREG numberings of the eREG of each Physical Resource Block centering, is taken Value scope is 1 to the integer between N, and N is the number of the eREG of each Physical Resource Block centering；X is numbered for Resource Unit, value Scope is 1 to the integer between M；
According to 1Under n+1N is right+2On n+2N is left+3Under n+3N is right+4On n+4N is left+……+knx=x-1 or 1N is right+1Under n+2N is left+2On n+3N is right+3Under n+4N is left+ 4On n+……+knx=x-1, determines n-th position of eREG；Wherein, under n, n is right, n is upper and n left representations are with the center Corresponding Resource Unit as original position, in the shape of a spiral with counterclockwise or clockwise sequentially to the corresponding money of marginal position Source unit arranges unit resource unit, and nx is satisfaction 1Under n+1N is right+2On n+2N is left+3Under n+3N is right+4On n+4N is left+……+knx=x-1 or 1N is right +1Under n+2N is left+2On n+3N is right+3Under n+4N is left+4On n+……+knxUnder n determined by the k of=x-1, n is right, n is upper and n is left one；
1 will be metUnder n+1N is right+2On n+2N is left+3Under n+3N is right+4On n+4N is left+……+knx=x-1 or 1N is right+1Under n+2N is left+2On n+3N is right+3Under n+ 4N is left+4On n+……+knxThe 1 of=x-1Under n、1N is right、2On n、2N is left、3Under n、3N is right、4On n、4N is left... and knxSue for peace in each direction, Resource Units of n-th eREG relative to Centre position deviation is determined, to determine n-th position of eREG.
A kind of 11. base stations, it is characterised in that including：
Determining unit, for determining at least one Physical Resource Block pair for transmitting control channel, and according to the control The aggregation level of channel and the corresponding eREG of corresponding each eCCE of the aggregation level, determine that each Physical Resource Block centering is used In the eREG information for mapping the control channel, the numbering of the eREG of each Physical Resource Block centering, with described each thing The corresponding Resource Unit in center of Resource Block pair is managed as Base Serial Number, is sequentially followed to the corresponding Resource Unit of marginal position Circle permutation；
Map unit, for the eREG information determined according to the determining unit, the determination is mapped to by the control channel The corresponding eREG of eREG information on；
Transmitting element, the position of the eREG for mapping the control channel in the map unit sends the control letter The control information that road is carried.
12. base stations according to claim 11, it is characterised in that the volume of the eREG of each Physical Resource Block centering Number, using the corresponding Resource Unit in the center of each Physical Resource Block pair as Base Serial Number, sequentially to marginal position Corresponding Resource Unit cycle arrangement, including：
The numbering of the eREG of each Physical Resource Block centering, it is corresponding with the center of each Physical Resource Block pair Resource Unit as Base Serial Number, in the shape of a spiral sequentially to the corresponding Resource Unit cycle arrangement of marginal position；Or
The numbering of the eREG of each Physical Resource Block centering, it is corresponding with the center of each Physical Resource Block pair Resource Unit as Base Serial Number, annularly sequentially to the corresponding Resource Unit cycle arrangement of marginal position.
13. base stations according to claim 11, it is characterised in that the center of each Physical Resource Block pair, bag Include：
The center of the Resource Unit of each Physical Resource Block centering；Or
The centre bit of each other Resource Units of the Physical Resource Block centering in addition to the Resource Unit that PDCCH maps Put.
14. base station according to claim 11~13 any claim, it is characterised in that
The eREG of each Physical Resource Block centering by described each Physical Resource Block at least one of resource unit group Into；Or
The eREG of each Physical Resource Block centering by described each Physical Resource Block centering except reference signal and/or other At least one of other Resource Units outside the Resource Unit of control channel mapping Resource Unit composition.
15. base station according to claim 14 claim, it is characterised in that if described each Physical Resource Block centering EREG numbering, using the corresponding Resource Unit in the center of each Physical Resource Block pair as Base Serial Number, in spiral shell Rotation shape is sequentially to the corresponding Resource Unit cycle arrangement of marginal position；The map unit is additionally operable to
According to (x-n) %N=0, the Resource Unit numbering of the M Resource Unit that n-th eREG includes is determined；Wherein, M is each The number of the Resource Unit of Physical Resource Block centering, wherein, n is the eREG numberings of the eREG of each Physical Resource Block centering, is taken Value scope is 1 to the integer between N, and N is the number of the eREG of each Physical Resource Block centering；X is numbered for Resource Unit, value Scope is 1 to the integer between M；
According to 1Under n+1N is right+2On n+2N is left+3Under n+3N is right+4On n+4N is left+……+knx=x-1 or 1N is right+1Under n+2N is left+2On n+3N is right+3Under n+4N is left+ 4On n+……+knx=x-1, determines n-th position of eREG；Wherein, under n, n is right, n is upper and n left representations are with the center Corresponding Resource Unit as original position, in the shape of a spiral with counterclockwise or clockwise sequentially to the corresponding money of marginal position Source unit arranges unit resource unit, and nx is satisfaction 1Under n+1N is right+2On n+2N is left+3Under n+3N is right+4On n+4N is left+……+knx=x-1 or 1N is right +1Under n+2N is left+2On n+3N is right+3Under n+4N is left+4On n+……+knxUnder n determined by the k of=x-1, n is right, n is upper and n is left one；
1 will be metUnder n+1N is right+2On n+2N is left+3Under n+3N is right+4On n+4N is left+……+knx=x-1 or 1N is right+1Under n+2N is left+2On n+3N is right+3Under n+ 4N is left+4On n+……+knxThe 1 of=x-1Under n、1N is right、2On n、2N is left、3Under n、3N is right、4On n、4N is left... and knxSue for peace in each direction, Resource Units of n-th eREG relative to Centre position deviation is determined, to determine n-th position of eREG.
A kind of 16. terminals, it is characterised in that including：
Determining unit, it is determined that at least one Physical Resource Block pair for transmitting control channel, and according to the control channel Candidate's aggregation level Lk and the corresponding eREG of the corresponding candidate eCCE of the Lk, determine each Physical Resource Block centering for reflecting The eREG information of the control channel is penetrated, the numbering of the eREG of each Physical Resource Block centering is provided with described each physics The corresponding Resource Unit in center of source block pair is sequentially arranged as Base Serial Number to the corresponding Resource Unit circulation of marginal position Row；Wherein, k is integer, and Lk is any one in k candidate's aggregation level；
Detection unit, for the eREG information determined according to the determining unit, candidate eCCE corresponding to the Lk is corresponding EREG is detected, when detecting correct, parsing obtains the control that the control channel is carried from the detection correct eREG Information processed, when detecting incorrect, to other candidate's aggregation levels in the k candidate aggregation level in addition to the Lk The corresponding eREG of corresponding candidate eCCE proceeds detection.
17. terminals according to claim 16, it is characterised in that the volume of the eREG of each Physical Resource Block centering Number, using the corresponding Resource Unit in the center of each Physical Resource Block pair as Base Serial Number, sequentially to marginal position Corresponding Resource Unit cycle arrangement, including：
The numbering of the eREG of each Physical Resource Block centering, it is corresponding with the center of each Physical Resource Block pair Resource Unit as Base Serial Number, in the shape of a spiral sequentially to the corresponding Resource Unit cycle arrangement of marginal position；Or
The numbering of the eREG of each Physical Resource Block centering, it is corresponding with the center of each Physical Resource Block pair Resource Unit as Base Serial Number, annularly sequentially to the corresponding Resource Unit cycle arrangement of marginal position.
18. terminals according to claim 16, it is characterised in that the center of each Physical Resource Block pair, bag Include：
The center of the Resource Unit of each Physical Resource Block centering；Or
The centre bit of each other Resource Units of the Physical Resource Block centering in addition to the Resource Unit that PDCCH maps Put.
19. terminal according to claim 16~18 any claim, it is characterised in that
The eREG of each Physical Resource Block centering by described each Physical Resource Block at least one of resource unit group Into；Or
The eREG of each Physical Resource Block centering by described each Physical Resource Block centering except reference signal and/or other At least one of other Resource Units outside the Resource Unit of control channel mapping Resource Unit composition.
20. terminal according to claim 19 claim, it is characterised in that if described each Physical Resource Block centering EREG numbering, using the corresponding Resource Unit in the center of each Physical Resource Block pair as Base Serial Number, in spiral shell Rotation shape is sequentially to the corresponding Resource Unit cycle arrangement of marginal position；The base station also includes map unit, is used for
According to (x-n) %N=0, the Resource Unit numbering of the M Resource Unit that n-th eREG includes is determined；Wherein, M is each The number of the Resource Unit of Physical Resource Block centering, wherein, n is the eREG numberings of the eREG of each Physical Resource Block centering, is taken Value scope is 1 to the integer between N, and N is the number of the eREG of each Physical Resource Block centering；X is numbered for Resource Unit, value Scope is 1 to the integer between M；
According to 1Under n+1N is right+2On n+2N is left+3Under n+3N is right+4On n+4N is left+……+knx=x-1 or 1N is right+1Under n+2N is left+2On n+3N is right+3Under n+4N is left+ 4On n+……+knx=x-1, determines n-th position of eREG；Wherein, under n, n is right, n is upper and n left representations are with the center Corresponding Resource Unit as original position, in the shape of a spiral with counterclockwise or clockwise sequentially to the corresponding money of marginal position Source unit arranges unit resource unit, and nx is satisfaction 1Under n+1N is right+2On n+2N is left+3Under n+3N is right+4On n+4N is left+……+knx=x-1 or 1N is right +1Under n+2N is left+2On n+3N is right+3Under n+4N is left+4On n+……+knxUnder n determined by the k of=x-1, n is right, n is upper and n is left one；
1 will be metUnder n+1N is right+2On n+2N is left+3Under n+3N is right+4On n+4N is left+……+knx=x-1 or 1N is right+1Under n+2N is left+2On n+3N is right+3Under n+ 4N is left+4On n+……+knxThe 1 of=x-1Under n、1N is right、2On n、2N is left、3Under n、3N is right、4On n、4N is left... and knxSue for peace in each direction, Resource Units of n-th eREG relative to Centre position deviation is determined, to determine n-th position of eREG.
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