CN105763294A - Control information processing method and device - Google Patents

Abstract

The invention discloses a control information processing method and device. The method includes the following steps that: a radio network temporary identifier (RNTI) is distributed to target user equipment (UE), wherein the RNT includes a part 1 and a part 2, wherein the part 1 is used for scrambling cyclic redundancy check code (CRC) bits of a physical downlink control channel (PDCCH) or an enhanced physical downlink control channel (EPDCCH); the PDCCH or the EPDCCH is sent to the target user equipment (UE), wherein the PDCCH and the EPDCCH have Q (L) possible locations, and a control channel element (CCE) index or an enhance control channel element (ECCE) index which are corresponding to each location are determined according to a location index m, the part 1 and a search space parameter u(L). With the control information processing method and device adopted, problems brought by a situation that control information processing is performed with insufficient RNTIs due to the limitation of the number of bits in the prior art can be solved.

Description

Control information processing method and device

Technical field

The present invention relates to the communications field, in particular to controlling information processing method and device.

Background technology

Downlink Control Information (DownlinkControlInformation in LTE, referred to as DCI) it is all by Physical Downlink Control Channel (PhysicalDownlinkControlChannel, referred to as PDCCH) or strengthen what Physical Downlink Control Channel (EnhancedPhysicalDownlinkControlChannel, referred to as EPDCCH) carried.In general, in a subframe, it is possible to have multiple PDCCH or EPDCCH.Terminal (UserEquipment, referred to as UE) needs the DCI first demodulating in PDCCH or EPDCCH, then can demodulate the broadcast belonging to UE oneself, paging, the data etc. of UE on corresponding resource location.

At present, in related protocol, in each PDCCH or EPDCCH, comprise the CRC check bit of 16 bits, UE is used for verifying that whether PDCCH or EPDCCH received be correct, and CRC uses the Radio Network Temporary Identifier (RadioNetworkTemporaryIdentifier, referred to as RNTI) relevant with UE to carry out scrambling, UE be can determine, and which PDCCH or EPDCCH oneself needs to receive, and which is destined to other UE's.The RNTI that can be used to carry out scrambler includes: C-RNTI (cellRNTI, Cell Radio Network Temporary Identifier/Identity, Cell-RNTI), pager wireless net network temporary mark (PagingRNTI, referred to as P-RNTI) etc..

In LTE, above-mentioned RNTI is 16 bits, can support 2^16 RNTI altogether.When network there being the many UE of comparison need to send data, such as flood tide machine terminal communication (massivemachinecommunication, referred to as MMC) scene, it is likely to have tens thousand of even hundreds thousand of subscriber equipment under each network, at this moment exists for RNTI deficiency problem.

It is controlled information processing Problems existing in correlation technique when the RNTI limited by bit number and cause is not enough, not yet proposes effective solution at present.

Summary of the invention

The invention provides control information processing method and device, at least to solve correlation technique is controlled information processing Problems existing when the RNTI limited by bit number and cause is not enough.

According to an aspect of the present invention, provide a kind of control information processing method, including: distribute Radio Network Temporary Identifier RNTI for target UE UE, wherein, described RNTI includes: part 1 and part 2, part 1 bit number is identical with the number of physical downlink control channel PDCCH or the CRC CRC bit strengthening Physical Downlink Control Channel EPDCCH, it is set to W bit, part 2 bit number is X, W, X is the positive integer more than 0, wherein, part 1 is for the scrambling of physical downlink control channel PDCCH or the CRC CRC bit strengthening Physical Downlink Control Channel EPDCCH；Sending described PDCCH or EPDCCH to described target UE, wherein, described PDCCH and described EPDCCH has Q^(L)Individual possible position, control Channel Elements (the controlchannelelement that each described position is corresponding, referred to as CCE) index or strengthen control Channel Elements (enhancedcontrolchannelelement, referred to as ECCE) index be according to location index m, described part 1 and search volume parameter u^(L)Determining, wherein, L is polymerization grade, Q^(L)For the number of PDCCH or EPDCCH position candidate, Q in the search volume that L is corresponding^(L)For integer, m=0,1 ... Q^(L)-1。

Further, according to location index m, described part 1 and search volume parameter u^(L)Determine each position corresponding CCE index or ECCE index include:

When for PDCCH, m-th position corresponding described CCE index be:

Wherein i=0,1,2 ... L-1；Or,

When for EPDCCH, m-th position corresponding described ECCE index be:

Wherein i=0,1,2 ... L-1；

Wherein, k is the subframe index to target UE PDCCH or the EPDCCH place sent, N_CCE,kFor sending the PDCCH place carrier wave total number at the CCE of subframe k, M^(L)It it is one group of constant；

N_ECCE,kFor sending the EPDCCH place carrier wave total number at subframe k the 0th or the 1st ECCE gathered；

Y_kDetermine according to described part 1.

Further, in the following manner at least one determines described u^(L): distribute described u for described target UE^(L)；Described u is arranged with described target UE^(L)。

Further, described u is distributed for described target UE^(L)Including:

Described u^(L)It it is an element of set S1；When for PDCCH, When for EPDCCH: Or,

Described u^(L)It is an element of set S2, when for PDCCH: When for EPDCCH: Wherein, K to be one be not less than 2 positive integer.

Further, described u is arranged with described target UE^(L)Including: with described target UE arrange one set T, wherein, described set T be at least one of: described set S1, described set S2, the subset of described set S1, described set S2 subset；Described u is determined according to the element in described part 2 and described set T with described target UE agreement^(L)。

Further, described u is determined with described target UE agreement according to the element in described part 2 and described set T^(L)Including: gather the corresponding relation of element in T or described u with the described target UE described part of agreement 2 with described^(L)Elements different in different subframes corresponding described set T；Described u is determined according to described part 2 and subframe index k^(L)If the element number in described set T is P, and pth element is S (p), wherein p=0,1 ... P-1；At subframe k, for the described u of L, described target UE^(L)Determine as follows:

u^(L)=u_k；

$u_k=S\left(\right[\frac{{\mathrm{PZ}}_K}{E}\left]\right),$ Or u_k=S (Z_KModP)；

Z_k=S (CZ_K-1)ModE；

Z_-1=F, wherein, F is 10 system numbers of part 2 correspondence of described X bit, E=2^X, or E=2^X+1, C is a constant coprime with E.

Further, for physical down Traffic Channel or the physical uplink Traffic Channel of PDCCH or EPDCCH scheduling, scrambling is carried out according to the part 2 of the part 1 of described RNTI or described RNTI or described RNTI.

Further, L is set { the one or more values in 1,2,4,8,16,32}；

As L=1 or 2,0≤Q^(L)≤6；When L=4,8,16 or 32,0≤Q^(L)≤ 2, wherein, one or more Q above-mentioned^(L)In, have at least a Q^(L)It is not equal to 0；

K is the subframe index k=0,1,2 to target UE PDCCH or the EPDCCH place sent ... .9；

Y_kDetermine according to described part 1, Y_k=(A Y_k-1) modD, wherein, D=2^W+1, Y_-1=B, wherein B is the 10 system numbers that part 1 bit of described RNTI is corresponding.

Further, when for PDCCH, as L=1 or 2, M^(L)=6；As L=4 or 8, M^(L)=2；

The CCE total number of subframe k is N_CCE,k, this N_CCE,kIndividual CCE index is 0,1 ..., N_CCE,k-1, N_CCE,kMeet:

A is a positive integer coprime with D,

For PDCCH, especially, as W=16, A=39827；

When for EPDCCH, 0≤M^(L)≤8；

The ECCE total number of subframe k is N_CCE,k, this N_CCE,kIndividual ECCE index is 0,1 ... .N_ECCE,k-1, N_ECCE,kMeet:

For EPDCCH, especially, as W=16, for the 0th set: the A=39827 of EPDCCH, for the 1st set: the A=39829 of EPDCCH.

According to a further aspect in the invention, provide a kind of control information processing method, comprise determining that the Radio Network Temporary Identifier RNTI of network allocation, wherein, described RNTI includes part 1 and part 2, wherein, part 1 bit number is identical with the number of physical downlink control channel PDCCH or the CRC CRC bit strengthening Physical Downlink Control Channel EPDCCH, it is set to W bit, part 2 bit number is X, W, X is the positive integer more than 0, part 1 is for the descrambling of physical downlink control channel PDCCH or the CRC CRC bit strengthening Physical Downlink Control Channel EPDCCH；Receiving described PDCCH or EPDCCH that described network sends, wherein, described PDCCH and described EPDCCH has Q^(L)Individual possible position, control Channel Elements CCE index or enhancing control Channel Elements ECCE index that each described position is corresponding are according to location index m, described RNTI part 1 and search volume parameter u^(L)Determining, wherein, L is polymerization grade, Q^(L)For the number of PDCCH or EPDCCH position candidate, Q in the search volume that L is corresponding^(L)For integer, m=0,1 ... Q^(L)-1, u^(L)Search volume parameter for PDCCH or EPDCCH.

Further, according to location index m, described part 1 and search volume parameter u^(L)Determine each position corresponding CCE index or ECCE index include:

When for PDCCH, m-th position corresponding described CCE index be: or,

Wherein i=0,1,2 ... L-1；

When for EPDCCH, m-th position corresponding described ECCE index be:

Wherein i=0,1,2 ... L-1；

Wherein, k is the subframe index to target UE PDCCH or the EPDCCH place sent, N_CCE,kFor sending the PDCCH place carrier wave total number at the CCE of subframe k, M^(L)It it is one group of constant；

N_ECCE,kFor sending the EPDCCH place carrier wave total number at subframe k the 0th or the 1st ECCE gathered；

Y_kDetermine according to described part 1.

Further, in the following manner at least one determines described u^(L): determine the described u of described network allocation^(L)；

With u described in described network convention^(L)。

Further, it is determined that the described u of described network allocation^(L)Including:

Described u^(L)It it is an element of set S1；When for PDCCH, When for EPDCCH: Or,

Described u^(L)It is an element of set S2, when for PDCCH: When for EPDCCH: Wherein, K to be one be not less than 2 positive integer.

Further, with u described in described network convention^(L)Including: with described network convention one gather T, wherein, described set T be at least one of: described set S1, described set S2, the subset of described set S1, described set S2 subset；Described u is determined according to the element in described part 2 and described set T with described network convention^(L)。

Further, described u is determined with described network convention according to the element in described part 2 and described set T^(L)Including: gather the corresponding relation of element in T or described u with part described in described network convention 2 with described^(L)Elements different in different subframes corresponding described set T；Described u is determined according to described part 2 and subframe index k^(L)If the element number in described set T is P, and pth element is S (p), wherein p=0,1 ... P-1；At subframe k, for the described u of L, described target UE^(L)Determine as follows:

u^(L)=u_k；

$u_k=S\left(\right[\frac{{\mathrm{PZ}}_K}{E}\left]\right),$ Or u_k=S (Z_KModP)；

Z_k=S (CZ_K-1)ModE；

Z_-1=F, wherein, F is 10 system numbers of part 2 correspondence of described X bit, E=2^X, or E=2^X+1, C is a constant coprime with E.

Further, for physical uplink Traffic Channel or the physical uplink Traffic Channel of PDCCH or EPDCCH scheduling, scrambling is carried out according to the part 2 of the part 1 of described RNTI or described RNTI or described RNTI.

Further, L is set { the one or more values in 1,2,4,8,16,32}；

As L=1 or 2,0≤Q^(L)≤6；When L=4,8,16 or 32,0≤Q^(L)≤ 2, wherein, one or more Q above-mentioned^(L)In, have at least a Q^(L)It is not equal to 0；

K is the subframe index k=0,1,2 to target UE PDCCH or the EPDCCH place sent ... .9；

Y_kDetermine according to described part 1, Y_k=(A Y_k-1) modD, wherein, D=2^W+1, Y_-1=B, wherein B is the 10 system numbers that part 1 bit of described RNTI is corresponding.

Further, when for PDCCH, as L=1 or 2, M^(L)=6；As L=4 or 8, M^(L)=2；

The CCE total number of subframe k is N_CCE,k, this N_CCE,kIndividual CCE index is 0,1 ..., N_CCE,k-1, N_CCE,kMeet:

A is a positive integer coprime with D, for PDCCH, especially, as W=16, and A=39827；

When for EPDCCH, 0≤M^(L)≤8；

The ECCE total number of subframe k is N_CCE,k, this N_CCE,kIndividual ECCE index is 0,1 ... .N_ECCE,k-1, N_ECCE,kMeet:

A is a positive integer coprime with D, especially, as W=16, for the 0th set: the A=39827 of EPDCCH, for the 1st set: the A=39829 of EPDCCH.

According to a further aspect in the invention, provide a kind of control information processor, including: distribution module, for distributing Radio Network Temporary Identifier RNTI for target UE UE, wherein, described RNTI includes: part 1 and part 2, wherein, part 1 bit number is identical with the number of physical downlink control channel PDCCH or the CRC CRC bit strengthening Physical Downlink Control Channel EPDCCH, it is set to W bit, part 2 bit number is X, W, X is the positive integer more than 0, part 1 is for the descrambling of physical downlink control channel PDCCH or the CRC CRC bit strengthening Physical Downlink Control Channel EPDCCH；Sending module, for sending described PDCCH or EPDCCH to described target UE, wherein, described PDCCH and described EPDCCH has Q^(L)Individual possible position, control Channel Elements CCE index or enhancing control Channel Elements ECCE index that each described position is corresponding are according to location index m, described part 1 and search volume parameter u^(L)Determining, wherein, L is polymerization grade, Q^(L)For the number of PDCCH or EPDCCH position candidate, Q in the search volume that L is corresponding^(L)For integer, m=0,1 ... Q^(L)-1。

According to a further aspect in the invention, provide a kind of control information processor, comprise determining that module, for determining the Radio Network Temporary Identifier RNTI of network allocation, wherein, described RNTI includes part 1 and part 2, wherein, part 1 bit number is identical with the number of physical downlink control channel PDCCH or the CRC CRC bit strengthening Physical Downlink Control Channel EPDCCH, it is set to W bit, part 2 bit number is X, W, X is the positive integer more than 0, part 1 is for the descrambling of physical downlink control channel PDCCH or the CRC CRC bit strengthening Physical Downlink Control Channel EPDCCH；Receiver module, for receiving described PDCCH or EPDCCH that described network sends, wherein, described PDCCH and described EPDCCH has Q^(L)Individual possible position, control Channel Elements CCE index or enhancing control Channel Elements ECCE index that each described position is corresponding are according to location index m, described part 1 and search volume parameter u^(L)Determining, wherein, L is polymerization grade, Q^(L)For the number of PDCCH or EPDCCH position candidate, Q in the search volume that L is corresponding^(L)For integer, m=0,1 ... Q^(L)-1, u^(L)Search volume parameter for PDCCH or EPDCCH.

Pass through the present invention, it is adopted as target UE UE and distributes Radio Network Temporary Identifier RNTI, wherein, described RNTI includes: part 1 and part 2, wherein, part 1 bit number is identical with the number of physical downlink control channel PDCCH or the CRC CRC bit strengthening Physical Downlink Control Channel EPDCCH, it is set to W bit, part 2 bit number is X, W, X are the positive integer more than 0, and part 1 is for the descrambling of physical downlink control channel PDCCH or the CRC CRC bit strengthening Physical Downlink Control Channel EPDCCH；Sending described PDCCH or EPDCCH to described target UE, wherein, described PDCCH and described EPDCCH has Q^(L)Individual possible position, control Channel Elements CCE index or enhancing control Channel Elements ECCE index that each described position is corresponding are according to location index m, described part 1 and search volume parameter u^(L)Determining, wherein, L is polymerization grade, Q^(L)For the number of PDCCH or EPDCCH position candidate, Q in the search volume that L is corresponding^(L)For integer, m=0,1 ... Q^(L)-1, solve and correlation technique is controlled when the RNTI limited by bit number and cause is not enough information processing Problems existing, and then reached to reduce the effect of search volume blocking probability.

Accompanying drawing explanation

Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:

Fig. 1 is the flow chart one controlling information processing method according to embodiments of the present invention；

Fig. 2 is the flowchart 2 controlling information processing method according to embodiments of the present invention；

Fig. 3 is the block diagram one controlling information processor according to embodiments of the present invention；

Fig. 4 is the block diagram two controlling information processor according to embodiments of the present invention；

Fig. 5 is the flow chart of network controls information processing method according to the preferred embodiment of the invention；

Fig. 6 is that end side controls the flow chart of information processing method according to the preferred embodiment of the invention.

Detailed description of the invention

Below with reference to accompanying drawing and describe the present invention in detail in conjunction with the embodiments.It should be noted that when not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.

Providing a kind of control information processing method in the present embodiment, Fig. 1 is the flow chart one controlling information processing method according to embodiments of the present invention, as it is shown in figure 1, this flow process comprises the steps:

Step S102, Radio Network Temporary Identifier RNTI is distributed for target UE UE, wherein, this RNTI includes: part 1 and part 2, wherein, part 1 bit number is identical with the number of physical downlink control channel PDCCH or the CRC CRC bit strengthening Physical Downlink Control Channel EPDCCH, it is set to W bit, part 2 bit number is X, W, X are the positive integer more than 0, and part 1 is for the scrambling of physical downlink control channel PDCCH or the CRC CRC bit strengthening Physical Downlink Control Channel EPDCCH；

Step S104, sends this PDCCH or EPDCCH to this target UE, and wherein, this PDCCH and this EPDCCH has Q^(L)Individual possible position, what this position each was corresponding control Channel Elements CCE index or strengthen that to control Channel Elements ECCE index be according to location index m, the part 1 of this RNTI and search volume parameter u^(L)Determining, wherein, L is polymerization grade, Q^(L)For the number of PDCCH or EPDCCH position candidate, Q in the search volume that L is corresponding^(L)For integer, m=0,1 ... Q^(L)-1。

Owing to the Part I only with RNTI carries out CRC check bit scramble, it is not result in the increase of expense, it is achieved get up also relatively simple；Additionally, due to being according to location index m, this part 1 and search volume parameter u^(L)Determining that CCE or ECCE indexes, wherein, introduce search volume parameter, this spatial parameter can be relevant to subscriber equipment.Just because of adding search volume parameter, it is possible to be that subscriber equipment determines that the CCE index of correspondence or ECCE index, such that it is able to avoid being detected by other target UE, cause the problem that false-alarm detects.

In an optional embodiment, search volume parameter includes two kinds of situations, and one is that network distributes directly to target UE, and search volume parameter and target UE that network directly distributes are relevant；Another kind of situation is that search volume parameter is relevant to the part 2 of RNTI, corresponding with target UE, no matter is which kind of situation above-mentioned, all can avoid being detected by other target UE, cause the problem that false-alarm detects.

Generally, network is target UE one bit number of distribution is the RNTI of 16+X, wherein, X is the integer more than 0, and this part 1 has 16 bits, and this part 2 has X bit, wherein only having the part 1 scrambling for the CRC bit of PDCCH or EPDCCH afterwards, especially, this RNTI is a C-RNTI.Physical down Traffic Channel or physical uplink Traffic Channel for PDCCH or EPDCCH scheduling are also required to scrambling, its scrambler then part 1 or part 2 according to above-mentioned RNTI or RNTI produces, such as, the initialization value part 1 according to above-mentioned RNTI or RNTI or part 2 produced as above-mentioned scrambler.

According to location index m, above-mentioned part 1 and search volume parameter u^(L)Determine the mode more than one that CCE indexes or ECCE indexes that each position is corresponding, in general, determine each position corresponding CCE index with ECCE index mode similar, but it is incomplete same again, in an optional embodiment, when for PDCCH, m-th position corresponding this CCE index be:

Wherein i=0,1,2 ... L-1；Or,

When for EPDCCH, m-th position corresponding this ECCE index be:

Wherein i=0,1,2 ... L-1；

Wherein, k is the subframe index to target UE PDCCH or the EPDCCH place sent, N_CCE,kFor sending the PDCCH place carrier wave total number at the CCE of subframe k, M^(L)It it is one group of constant；N_ECCE,kFor sending the EPDCCH place carrier wave total number at subframe k the 0th or the 1st ECCE gathered；Y_kDetermine according to this part 1.

Search volume parameter u^(L)Determination mode also more than one, in an optional embodiment, it is possible to by network be target UE distribution determine this u^(L), in another optional embodiment, it is also possible to arrange this u by network with target UE^(L), regardless of mode, it is determined that u^(L)It is corresponding with this target UE, it is to avoid other UE can detect.Here other UE not only include the UE that RNTI bit number is 16+X of distribution, also include the UE that RNTI bit number is 16 of distribution.

Network distributes this u for this target UE^(L)Mode more than one, in an optional embodiment, this u^(L)It it is an element of set S1；When for PDCCH,When for EPDCCH:

In another optional embodiment, this u^(L)It is an element of set S2, when for PDCCH:When for EPDCCH: Wherein, K to be one be not less than 2 positive integer.

Network and target UE arrange this u^(L)Mode have a variety of, network can arrange a set T with this target UE, wherein, this set T is at least one of: this set S1, this set S2, the subset of this set S1, this set S2 subset, with this target UE agreement determine this u according to the element in this part 2 and this set T^(L)。

This u is determined according to the element in this part 2 and this set T with this target UE agreement^(L)May include that and arrange this part 2 and the corresponding relation of element in this set T or this u with this target UE^(L)In different subframes to gathering elements different in T；This u is determined according to this part 2 and subframe index k^(L)If the element number in this set T is P, pth element is S (p), wherein p=0,1 ... P-1；At subframe k, for the u of L, this target UE^(L)Determine as follows:

u^(L)=u_k；

$y_k=S\left(\right[\frac{{\mathrm{PZ}}_K}{E}\left]\right),$ Or u_k=S (Z_KModP)；

Z_k=S (CZ_K-1)ModE；

Z_-1=F, wherein, F is 10 system numbers of part 2 correspondence of this X bit, E=2^X, or E=2^X+1, C is a constant coprime with E.

Wherein, L be set the one or more values in 1,2,4,8,16,32}, as L=1 or 2,0≤Q^(L)≤6；When L=4,8,16 or 32,0≤Q^(L)≤ 2, wherein, one or more Q above-mentioned^(L)In, have at least a Q^(L)It is not equal to 0；K is the subframe index k=0,1,2 to target UE PDCCH or the EPDCCH place sent ... .9；

Y_kDetermine according to this part 1, Y_k=(A Y_k-1) modD, wherein, D=2^W+1, Y_-1=B, wherein B is the 10 system numbers that part 1 bit of described RNTI is corresponding.

Further, when for PDCCH, as L=1 or 2, M^(L)=6；As L=4 or 8, M^(L)=2；

The CCE total number of subframe k is N_CCE,k, this N_CCE,kIndividual CCE index is 0,1 ..., N_CCE,k-1, N_CCE,kMeet:

A is a positive integer coprime with D, for PDCCH, as W=16, and A=39827；

When for EPDCCH, 0≤M^(L)≤8；

The ECCE total number of subframe k is N_CCE,k, this N_CCE,kIndividual ECCE index is 0,1 ... .N_ECCE,k-1, N_ECCE,kMeet:

For EPDCCH, especially, as W=16, for the 0th set: the A=39827 of EPDCCH, for the 1st set: the A=39829 of EPDCCH.

Embodiments of the invention additionally provide a kind of control information processing method, and Fig. 2 is the flowchart 2 controlling information processing method according to embodiments of the present invention, as in figure 2 it is shown, this flow process comprises the steps:

Step S202, determine the Radio Network Temporary Identifier RNTI of network allocation, wherein, this RNTI includes part 1 and part 2, wherein, part 1 bit number is identical with the number of physical downlink control channel PDCCH or the CRC CRC bit strengthening Physical Downlink Control Channel EPDCCH, it is set to W bit, part 2 bit number is X, W, X are the positive integer more than 0, and part 1 is for the descrambling of physical downlink control channel PDCCH or the CRC CRC bit strengthening Physical Downlink Control Channel EPDCCH；

Step S204, receives this PDCCH or EPDCCH that this network sends, and wherein, this PDCCH and this EPDCCH has Q^(L)Individual possible position, control Channel Elements CCE index or enhancing control Channel Elements ECCE index that this position each is corresponding are according to location index m, this part 1 and search volume parameter u^(L)Determining, wherein, L is polymerization grade, Q^(L)For the number of PDCCH or EPDCCH position candidate, Q in the search volume that L is corresponding^(L)For integer, m=0,1 ... Q^(L)-1, u^(L)Search volume parameter for PDCCH or EPDCCH.

According to location index m, above-mentioned part 1 and search volume parameter u^(L)Determine each position corresponding CCE index or ECCE index may include that

When for PDCCH, m-th position corresponding this CCE index be: or,

Wherein i=0,1,2 ... L-1；

When for EPDCCH, m-th position corresponding this ECCE index be:

Wherein i=0,1,2 ... L-1；

Wherein, k is the subframe index to target UE PDCCH or the EPDCCH place sent, N_CCE,kFor sending the PDCCH place carrier wave total number at the CCE of subframe k, M^(L)It it is one group of constant；N_ECCE,kFor sending the EPDCCH place carrier wave total number at subframe k the 0th or the 1st ECCE gathered；Y_kDetermine according to this part 1.

Determine this u^(L)Mode more than one, in an optional embodiment, by the u of network allocation^(L)Determine, in another optional embodiment, by target UE and this u of network convention^(L)。

Determine this u of this network allocation^(L)May include that this u^(L)It it is an element of set S1；When for PDCCH,When for EPDCCH: Or,

This u^(L)It is an element of set S2, when for PDCCH: When for EPDCCH: Wherein, K to be one be not less than 2 positive integer.

Target UE and this u of network convention^(L)May include that and gather T with this network convention one, wherein, this set T is at least one of: this set S1, this set S2, the subset of this set S1, this set S2 subset, determine this u with this network convention according to the element in this part 2 and this set T^(L)。

This u is determined according to the element in this part 2 and this set T with this network convention^(L)May include that and this part 2 of this network convention and the corresponding relation of element in this set T, or this u^(L)In different subframes to gathering elements different in T；This u is determined according to this part 2 and subframe index k^(L)If the element number in this set T is P, pth element is S (p), wherein p=0,1 ... P-1；At subframe k, for this u of L, this target UE^(L)Determine as follows:

u^(L)=u_k；

$u_k=S\left(\right[\frac{P{Z}_K}{E}\left]\right),$ Or u_k=S (Z_KModP)；

Z_k=S (CZ_K-1)ModE；

Z_-1=F, wherein, F is 10 system numbers of part 2 correspondence of this X bit, E=2^X, or E=2^X+1, C is a constant coprime with E, it is necessary to explanation, for formulaAnd u_k=S (Z_KModP), network should arrange with UE adopt identical.

Wherein, L be set the one or more values in 1,2,4,8,16,32}, as L=1 or 2,0≤Q^(L)≤6；When L=4,8,16 or 32,0≤Q^(L)≤ 2, wherein, one or more Q above-mentioned^(L)In, have at least a Q^(L)It is not equal to 0；

K is the subframe index k=0,1,2 to target UE PDCCH or the EPDCCH place sent ... .9；

Y_kDetermine according to this part 1, Y_k=(A Y_k-1) modD, wherein, D=2^W+1, Y_-1=B, wherein B is the 10 system numbers that part 1 bit of described RNTI is corresponding.

Further, when for PDCCH, as L=1 or 2, M^(L)=6；As L=4 or 8, M^(L)=2；

The CCE total number of subframe k is N_CCE,k, this N_CCE,kIndividual CCE index is 0,1 ..., N_CCE,k-1, N_CCE,kMeet:

A is a positive integer coprime with D, for PDCCH, as W=16, and A=39827；

When for EPDCCH, 0≤M^(L)≤8；

The ECCE total number of subframe k is N_CCE,k, this N_CCE,kIndividual ECCE index is 0,1 ... .N_ECCE,k-1, N_ECCE,kMeet:

A is a positive integer coprime with D, especially, as W=16, for the 0th set: the A=39827 of EPDCCH, for the 1st set: the A=39829 of EPDCCH.

Embodiments providing a kind of control information processor, this device is used for realizing above-described embodiment and preferred implementation, has be carried out repeating no more of explanation.As used below, term " module " can realize the software of predetermined function and/or the combination of hardware.Although the device described by following example preferably realizes with software, but hardware, or the realization of the combination of software and hardware is also likely to and is contemplated.

Fig. 3 is the block diagram one controlling information processor according to embodiments of the present invention, as it is shown on figure 3, include: distribution module 32 and sending module 34, below modules is briefly described.

Distribution module 32, for distributing Radio Network Temporary Identifier RNTI for target UE UE, wherein, this RNTI includes: part 1 and part 2, wherein, part 1 bit number is identical with the number of physical downlink control channel PDCCH or the CRC CRC bit strengthening Physical Downlink Control Channel EPDCCH, it is set to W bit, part 2 bit number is X, W, X are the positive integer more than 0, and part 1 is for the scrambling of physical downlink control channel PDCCH or the CRC CRC bit strengthening Physical Downlink Control Channel EPDCCH；

Sending module 34, for sending this PDCCH or EPDCCH to this target UE, wherein, this PDCCH and this EPDCCH has Q^(L)Individual possible position, control Channel Elements CCE index or enhancing control Channel Elements ECCE index that this position each is corresponding are according to location index m, this part 1 and search volume parameter u^(L)Determining, wherein, L is polymerization grade, Q^(L)For the number of PDCCH or EPDCCH position candidate, Q in the search volume that L is corresponding^(L)For integer, m=0,1 ... Q^(L)-1。

The embodiment of the present invention additionally provides a kind of control information processor, and Fig. 4 is the block diagram two controlling information processor according to embodiments of the present invention, as shown in Figure 4, comprises determining that module 42 and receiver module 44, below modules is briefly described.

Determine module 42, for determining the Radio Network Temporary Identifier RNTI of network allocation, wherein, this RNTI includes part 1 and part 2, wherein, part 1 bit number is identical with the number of physical downlink control channel PDCCH or the CRC CRC bit strengthening Physical Downlink Control Channel EPDCCH, it is set to W bit, part 2 bit number is X, W, X are the positive integer more than 0, and part 1 is for the descrambling of physical downlink control channel PDCCH or the CRC CRC bit strengthening Physical Downlink Control Channel EPDCCH；

Receiver module 44, for receiving this PDCCH or EPDCCH that this network sends, wherein, this PDCCH and this EPDCCH has Q^(L)Individual possible position, control Channel Elements CCE index or enhancing control Channel Elements ECCE index that this position each is corresponding are according to location index m, this part 1 and search volume parameter u^(L)Determining, wherein, L is polymerization grade, Q^(L)For the number of PDCCH or EPDCCH position candidate, Q in the search volume that L is corresponding^(L)For integer, m=0,1 ... Q^(L)-1, u^(L)Search volume parameter for PDCCH or EPDCCH.

The embodiment of the present invention is further described for above-mentioned part 1 for 16 bits (i.e. W=16) below.

Embodiment 1

Fig. 5 is the flow chart of network controls information processing method according to the preferred embodiment of the invention, as it is shown in figure 5, include:

Step S502, network is target UE one bit number of distribution is the RNTI of (16+X) (X is the integer more than 0).The number of X is relevant with the UE number of the maximum support of network, such as X=4, then network is maximum can support 2^20 RNTI.This RNTI includes 2 parts: part 1 has 16 bits, and part 2 has X bit；Wherein only has the part 1 scrambling for the CRC bit of PDCCH or EPDCCH；Network to target UE carry out downlink or uplink mandate time, it is necessary to RNTI be C-RNTI, in MMC scene, limited also may often be such that C-RNTI, and therefore RNTI here can also refer in particular to is the RNTI of a C-RNTI type.

Step S504, network determines the search volume of target UE according to RNTI.

Under polymerization grade L mono-stable condition, during for network to target UE transmission PDCCH or EPDCCH, this PDCCH or EPDCCH has Q^(L)Individual possible position.CCE or ECCE corresponding to each position indexes by location index m (m=0,1 ... Q^(L)-1), RNTI part 1 bit and search search volume parameter u^(L)Determine,

When for PDCCH, and m (m=0,1 ... Q^(L)-1) the CCE index that individual position is corresponding is:

Wherein i=0,1,2 ... L-1.

When for EPDCCH, and m (m=0,1 ... Q^(L)-1) the CCE index that individual position is corresponding is:

Wherein i=0,1,2 ... L-1.

Wherein, L is network is that target UE distributes in advance or sends CCE (the control Channel Elements shared by a PDCCH with target UE agreement, controlchannelelement) ECCE shared by or one EPDCCH (strengthens and controls Channel Elements, enhancedcontrolchannelelement) number, wherein L is set { 1,2,4, one or more values of 8,16,32}.

Q^(L)For the number of PDCCH or EPDCCH position candidate in the search volume that L is corresponding.Q^(L)For integer, as L=1 or 2,0≤Q^(L)≤6；When L=4,8,16 or 32,0≤Q^(L)≤ 2, wherein, one or more Q above-mentioned^(L)In, have at least a Q^(L)It is not equal to 0.

K is the subframe index (k=0,1,2 ... .9) to target UE PDCCH or the EPDCCH place sent；

N_CCE,kFor sending the above-mentioned PDCCH place carrier wave total number at the CCE of subframe k, the index of CCE is 0,1 ... .N_CCE,k-1, N_CCE,kMeet:

When L be set 1 of 1,2,4,8,16,32} or during multiple value, N_CCE,kShould at least meet 1 in above-mentioned inequality.

M^(L)It is one group of constant: during PDCCH, as L=1 or 2, M^(L)=6；As L=4 or 8, M^(L)=2；During EPDCCH, 0≤M^(L)≤ 8 and have at least 1 M^(L)It is not equal to 0.

N_ECCE,kFor sending the above-mentioned EPDCCH place carrier wave total number at subframe k the 0th or the 1st ECCE gathered, the index of ECCE is 0,1 ... .N_ECCE,k-1, N_ECCE,kMeet:

When L be set 1 of 1,2,4,8,16,32} or during multiple value, N_ECCE,kShould at least meet 1 in above-mentioned inequality.

Y_kPart 1 bit according to above-mentioned RNTI is determined, concrete, Y_k=(A Y_k-1) modD, wherein, D=65537；

For PDCCH, A=39827；

The 0th set: the A=39827 for EPDCCH；The 1st set: the A=39829 for EPDCCH.

u^(L)For PDCCH or EPDCCH search volume parameter, this parameter is distributed to target UE in advance by network.Here u is required^(L)One element of set S1.When for PDCCH, When for EPDCCH:

Step S506, network selects 1 position to send PDCCH or EPDCCH in search volume.This includes network and selects a L-value determined, { element of 1,2,4,8,16,32}, from above-mentioned Q in L set^(L)Individual possible position selects a position, sends PDCCH or EPDCCH, utilize aforesaid RNTI part 1 bit CRC bit scramble to PDCCH or EPDCCH before sending.

Fig. 6 is that end side controls the flow chart of information processing method according to the preferred embodiment of the invention, as shown in Figure 6, and including:

Step S602, determines the RNTI that bit number is (16+X) (X is the integer more than 0) of network allocation for target UE.This RNTI includes 2 parts: part 1 has 16 bits, and part 2 has X bit, and especially, it is the RNTI of a C-RNTI type that RNTI here can also refer in particular to；

Step S604, target UE determine the search volume of PDCCH or EPDCCH according to RNTI, and UE monitors network and is likely to send the position of PDCCH or EPDCCH.Here monitoring network is likely to send the position that the position of PDCCH or EPDCCH includes being likely to send PDCCH or EPDCCH and detects, and according to testing result judge network whether in above-mentioned position to oneself transmission PDCCH or EPDCCH.

When for PDCCH, and m (m=0,1 ... Q^(L)-1) the CCE index that individual position is corresponding is:

Wherein i=0,1,2 ... L-1.

When for EPDCCH, and m (m=0,1 ... Q^(L)-1) the CCE index that individual position is corresponding is:

Wherein i=0,1,2 ... L-1.

Wherein, L is network is target UE distribution or the number with the target UE agreement transmission CCE shared by one PDCCH or the ECCE shared by an EPDCCH, and wherein L is set { one or more values of 1,2,4,8,16,32}.

Q^(L)For the number of PDCCH or EPDCCH position candidate in the search volume that L is corresponding.Q^(L)For integer, as L=1 or 2,0≤Q^(L)≤6；When L=4,8,16 or 32,0≤Q^(L)≤ 2, wherein, one or more Q above-mentioned^(L)In, have at least a Q^(L)It is not equal to 0.

K is the subframe index (k=0,1,2 ... .9) to target UE PDCCH or the EPDCCH place sent；

N_CCE,kFor sending the above-mentioned PDCCH place carrier wave total number at the CCE of subframe k, the index of CCE is 0,1 ... .N_CCE,k-1, N_CCE,kMeet:

When L be set 1 of 1,2,4,8,16,32} or during multiple value, N_CCE,kShould at least meet 1 in above-mentioned inequality.

M^(L)It is one group of constant: during PDCCH, as L=1 or 2, M^(L)=6；As L=4 or 8, M^(L)=2；During EPDCCH, 0≤M^(L)≤ 8 and have at least 1 M^(L)It is not equal to 0.

N_ECCE,kFor sending the above-mentioned EPDCCH place carrier wave total number at subframe k the 0th or the 1st ECCE gathered, the index of ECCE is 0,1 ... .N_ECCE,k-1, N_ECCE,kMeet:

When L be set 1 of 1,2,4,8,16,32} or during multiple value, N_ECCE,kShould at least meet 1 in above-mentioned inequality.

Y_kPart 1 bit according to above-mentioned RNTI is determined, concrete, Y_k=(A Y_k-1) modD,

Wherein, D=65537, Y_-1=B, wherein B is the 10 system numbers that part 1 bit of above-mentioned RNTI is corresponding.

For PDCCH, as W=16, A=39827；

For EPDCCH, especially, as W=16, for the 0th set: the A=39827 of EPDCCH；The 1st set: the A=39829 for EPDCCH.

u^(L)For PDCCH or EPDCCH search volume parameter, this parameter is distributed to target UE in advance by network.Here u is required^(L)One element of set S1.When for PDCCH, When for EPDCCH:

By this alternative embodiment, network has (16+X) bit to the UE RNTI distributed, (X is the integer more than 0).But this X bit overhead simply produces when original allocation, when sending PDCCH later, network need only carry out XOR with part 1 bit of this RNTI and CRC bit, compared with prior art, has the effect reducing expense.More importantly, the method for the invention is adopted, it is possible to other UE avoiding the PDCCH being sent to target UE to be RNTI be the part 1 of the RNTI of 16 bits and this RNTI and target UE identical detects the false-alarm test problems caused.It addition, have the UE of (16+X) bit (X is the integer more than 0) to have multiple as RNTI, and when their part 1 is identical, the present invention also has the effect of the PDCCH search space blocking probability reducing these UE oneself.

Embodiment 2

Based on embodiment 1, u^(L)Parameter is distributed to target UE and u in advance by network^(L)It is an element of set S2, when for PDCCH:When for EPDCCH:Wherein, K to be one be not less than 2 positive integer.

Parameter K value is supported relevant across the number of other carrier wave of carrier dispatching with above-mentioned PDCCH or EPDCCH place carrier wave, it is assumed that the carrier wave support of above-mentioned PDCCH or EPDCCH place is Y across the number of other carrier wave of carrier dispatching, then K=Y is best.Certainly, K can also take the value bigger than Y.It addition, parameter K value is also required to consider available CCE or ECCE number, such as, should meet for PDCCH:

Should meet for EPDCCH:

It should be noted that for above-mentioned inequality, as long as the polymerization grade that above-mentioned PDCCH or EPDCCH selects meets, it is not required that

u^(L)Being the benefit of an element of set S2 is: when above-mentioned PDCCH or EPDCCH place carrier wave is supported across other carrier wave of carrier dispatching, even if the traditional UE (its RNTI bit is 16) across carrier dispatching is identical in part 1 bit of the RNTI of target UE, their search volume can also distinguish, thus avoiding PDCCH or EPDCCH issuing target UE is the tradition UE situation (certainly it also avoid PDCCH or EPDCCH of tradition UE is target UE situation about detecting) detected.

Embodiment 3

Based on embodiment 1, network also arranges u with target UE^(L)Affiliated set T, wherein, agreement set T is above-mentioned set S1 or S2 or their subset.Now, network can be determined with the corresponding relation of element in set T according to the subset of part 2 bit in predefined above-mentioned RNTI bit or part 2 bit with UE agreement, such as: set X=2, element number in set T is 4, pth element is S (p), wherein p=0,1 ... 3, then the u of target UE^(L)Can determine according to following table:

RNTI part 2 bit value	u(L)
		00	S(0)
01	S(1)
		10	S(2)
11	S(3)

Aforesaid way is adopted to determine u^(L), except having and saving the advantage that network is target UE distribution search volume parameter signalling expense, it is also possible to but the blocking probability of the part 1 bit identical part 2 bit difference correspondence PDCCH of reduction RNTI, improve the utilization ratio controlling channel resource.

Embodiment 4

Based on embodiment 3, Network Based with part 2 bit in the RNTI bit of UE agreement and the corresponding relation of element, u in set T^(L)Element that can also be different in different subframe correspondence set T.Such as, network determines search volume parameter according to above-mentioned part 2 bit and above-mentioned subframe index k, if the element number in set T is P, pth element is S (p), wherein p=0,1 ... P-1.At subframe k, for the search volume parameter u of polymerization grade L, target UE^(L)Can determine as follows:

u^(L)=u_k；

$u_k=S\left(\right[\frac{{\mathrm{PZ}}_K}{E}\left]\right),$ Or u_k=S (Z_KModP)；

Z_k=S (CZ_K-1)ModE；

Z_-1=F；

Wherein, F is the 10 system numbers that part 2 bit of above-mentioned RNTI is corresponding, E=2^X, or E=2^X+1, C is a constant coprime with E.

Aforesaid way is adopted to determine u^(L), it is possible on embodiment 4 basis, but the blocking probability of the further part 1 bit identical part 2 bit difference correspondence PDCCH reducing RNTI, improve the utilization ratio controlling channel resource.

Embodiment 5

Based on embodiment 3, Network Based with part 2 bit in the RNTI bit of UE agreement and the corresponding relation of element, u in set T^(L)Element that can also be different in different subframe correspondence set T.Such as, network determines search volume parameter according to above-mentioned part 2 bit and above-mentioned subframe index k, if the element number in set T is P, pth element is S (p), wherein p=0,1 ... P-1.At subframe k, for the search volume parameter u of polymerization grade L, target UE^(L)Can determine as follows:

u^(L)=u_k；

u_k=S (Z_KModP)；

Z_k=S (CZ_K-1)ModE；

Z_-1=F；

Wherein, F is the 10 system numbers that part 2 bit of above-mentioned RNTI is corresponding, E=2^X, or E=2^X+1, C is a constant coprime with E.

Embodiment 5 has the effect that embodiment 4 is similar, it is believed that be the another one replacement scheme of embodiment 4.

Obviously, those skilled in the art should be understood that, each module of the above-mentioned present invention or each step can realize with general calculation element, they can concentrate on single calculation element, or it is distributed on the network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, can be stored in storage device is performed by calculation element, and in some cases, shown or described step can be performed with the order being different from herein, or they are fabricated to respectively each integrated circuit modules, or the multiple modules in them or step are fabricated to single integrated circuit module realize.So, the present invention is not restricted to the combination of any specific hardware and software.

The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.

Claims (20)

1. one kind controls information processing method, it is characterised in that including:

Radio Network Temporary Identifier RNTI is distributed for target UE UE, wherein, described RNTI includes: part 1 and part 2, wherein, part 1 bit number is identical with the number of physical downlink control channel PDCCH or the CRC CRC bit strengthening Physical Downlink Control Channel EPDCCH, is set to W bit, and part 2 is X bit, W, X are the positive integer more than 0, and part 1 is for the scrambling of the CRC CRC bit of PDCCH or EPDCCH；

Sending described PDCCH or EPDCCH to described target UE, wherein, described PDCCH and described EPDCCH has Q^(L)Individual possible position, control Channel Elements CCE index or enhancing control Channel Elements ECCE index that each described position is corresponding are according to location index m, described part 1 and search volume parameter u^(L)Determining, wherein, L is polymerization grade, Q^(L)For the number of PDCCH or EPDCCH position candidate, Q in the search volume that L is corresponding^(L)For integer, m=0,1 ... Q^(L)-1。

2. method according to claim 1, it is characterised in that according to location index m, described part 1 and search volume parameter u^(L)Determine each position corresponding CCE index or ECCE index include:

When for PDCCH, m-th position corresponding described CCE index be:

Wherein i=0,1,2 ... L-1；Or,

When for EPDCCH, m-th position corresponding described ECCE index be:

Wherein i=0,1,2 ... L-1；

Wherein, k is the subframe index to target UE PDCCH or the EPDCCH place sent, N_CCE,kFor sending the PDCCH place carrier wave total number at the CCE of subframe k, M^(L)It it is one group of constant；

N_ECCE,kFor sending the EPDCCH place carrier wave total number at subframe k the 0th or the 1st ECCE gathered；

Y_kDetermine according to described part 1.

3. method according to claim 1 and 2, it is characterised in that in the following manner at least one determines described u^(L):

Described u is distributed for described target UE^(L)；

Described u is arranged with described target UE^(L)。

4. method according to claim 3, it is characterised in that distribute described u for described target UE^(L)Including:

Described u^(L)It it is an element of set S1；When for PDCCH, When for EPDCCH: Or,

Described u^(L)It is an element of set S2, when for PDCCH: When for EPDCCH: Wherein, K to be one be not less than 2 positive integer.

5. method according to claim 4, it is characterised in that arrange described u with described target UE^(L)Including:

With described target UE arrange one set T, wherein, described set T be at least one of: described set S1, described set S2, the subset of described set S1, described set S2 subset；

Described u is determined according to the element in described part 2 and described set T with described target UE agreement^(L)。

6. method according to claim 5, it is characterised in that determine described u according to the element in described part 2 and described set T with described target UE agreement^(L)Including:

The corresponding relation of element in T or described u is gathered with described with the described target UE described part of agreement 2^(L)Elements different in different subframes corresponding described set T；

Described u is determined according to described part 2 and subframe index k^(L)If the element number in described set T is P, and pth element is S (p), wherein p=0,1 ... P-1；At subframe k, for the described u of L, described target UE^(L)Determine as follows:

u^(L)=u_k；

$u_k=S\left(\right[\frac{{\mathrm{PZ}}_K}{E}\left]\right),$ Or u_k=S (Z_KModP)；

Z_k=S (CZ_K-1)ModE；

Z_-1=F, wherein, F is 10 system numbers of part 2 correspondence of described X bit, E=2^X, or E=2^X+1, C is a constant coprime with E.

7. the method according to any one of claim 4 to 6, it is characterised in that

For physical down Traffic Channel or the physical uplink Traffic Channel of PDCCH or EPDCCH scheduling, carry out scrambling according to the part 2 of the part 1 of described RNTI or described RNTI or described RNTI.

8. the method according to any one of claim 4 to 6, it is characterised in that

L is set { the one or more values in 1,2,4,8,16,32}；

As L=1 or 2,0≤Q^(L)≤6；When L=4,8,16 or 32,0≤Q^(L)≤ 2, wherein, one or more Q above-mentioned^(L)In, have at least a Q^(L)It is not equal to 0；

K is the subframe index k=0,1,2 to target UE PDCCH or the EPDCCH place sent ... .9；

Y_kDetermine according to described part 1, Y_k=(A Y_k-1) modD, wherein, D=2^W+1, Y_-1=B, wherein B is the 10 system numbers that part 1 bit of described RNTI is corresponding.

9. method according to claim 8, it is characterised in that

When for PDCCH, as L=1 or 2, M^(L)=6；As L=4 or 8, M^(L)=2；

The CCE total number of subframe k is N_CCE,k, this N_CCE,kIndividual CCE index is 0,1 ..., N_CCE,k-1, N_CCE,kMeet:

A is a positive integer coprime with D,

For PDCCH, as W=16, A=39827；

When for EPDCCH, 0≤M^(L)≤8；

The ECCE total number of subframe k is N_CCE,k, this N_CCE,kIndividual ECCE index is 0,1 ... .N_ECCE,k-1, N_ECCE,kMeet:

For EPDCCH, as W=16, for the 0th set: the A=39827 of EPDCCH, for the 1st set: the A=39829 of EPDCCH.

10. one kind controls information processing method, it is characterised in that including:

Determine the Radio Network Temporary Identifier RNTI of network allocation, wherein, described RNTI includes part 1 and part 2, wherein, part 1 bit number is identical with the number of physical downlink control channel PDCCH or the CRC CRC bit strengthening Physical Downlink Control Channel EPDCCH, it is set to W bit, part 2 is X bit, W, X are the positive integer more than 0, and part 1 is for the descrambling of physical downlink control channel PDCCH or the CRC CRC bit strengthening Physical Downlink Control Channel EPDCCH；

Receiving described PDCCH or EPDCCH that described network sends, wherein, described PDCCH and described EPDCCH has Q^(L)Individual possible position, control Channel Elements CCE index or enhancing control Channel Elements ECCE index that each described position is corresponding are according to location index m, described part 1 and search volume parameter u^(L)Determining, wherein, L is polymerization grade, Q^(L)For the number of PDCCH or EPDCCH position candidate, Q in the search volume that L is corresponding^(L)For integer, m=0,1 ... Q^(L)-1, u^(L)Search volume parameter for PDCCH or EPDCCH.

11. method according to claim 10, it is characterised in that according to location index m, described part 1 and search volume parameter u^(L)Determine each position corresponding CCE index or ECCE index include:

When for PDCCH, m-th position corresponding described CCE index be: or,

Wherein i=0,1,2 ... L-1；

When for EPDCCH, m-th position corresponding described ECCE index be:

Wherein i=0,1,2 ... L-1；

Wherein, k is the subframe index to target UE PDCCH or the EPDCCH place sent, N_CCE,kFor sending the PDCCH place carrier wave total number at the CCE of subframe k, M^(L)It it is one group of constant；

N_ECCE,kFor sending the EPDCCH place carrier wave total number at subframe k the 0th or the 1st ECCE gathered；

Y_kDetermine according to described part 1.

12. the method according to claim 10 or 11, it is characterised in that in the following manner at least one determines described u^(L):

Determine the described u of described network allocation^(L)；

With u described in described network convention^(L)。

13. method according to claim 12, it is characterised in that determine the described u of described network allocation^(L)Including:

Described u^(L)It it is an element of set S1；When for PDCCH, When for EPDCCH: Or,

Described u^(L)It is an element of set S2, when for PDCCH: When for EPDCCH: Wherein, K to be one be not less than 2 positive integer.

14. method according to claim 13, it is characterised in that with u described in described network convention^(L)Including:

With described network convention one gather T, wherein, described set T be at least one of: described set S1, described set S2, the subset of described set S1, described set S2 subset；

Described u is determined according to the element in described part 2 and described set T with described network convention^(L)。

15. method according to claim 14, it is characterised in that determine described u according to the element in described part 2 and described set T with described network convention^(L)Including:

The corresponding relation of element in T or described u is gathered with described with part described in described network convention 2^(L)Elements different in different subframes corresponding described set T；

Described u is determined according to described part 2 and subframe index k^(L)If the element number in described set T is P, and pth element is S (p), wherein p=0,1 ... P-1；At subframe k, for the described u of L, described target UE^(L)Determine as follows:

u^(L)=u_k；

$u_k=S\left(\right[\frac{{\mathrm{PZ}}_K}{E}\left]\right),$ Or u_k=S (Z_KModP)；

Z_k=S (CZ_K-1)ModE；

Z_-1=F, wherein, F is 10 system numbers of part 2 correspondence of described X bit, E=2^X, or E=2^X+1, C is a constant coprime with E.

16. the method according to any one of claim 13 to 15, it is characterised in that

For physical down Traffic Channel or the physical uplink Traffic Channel of PDCCH or EPDCCH scheduling, unscramble according to the part 2 of the part 1 of described RNTI or described RNTI or described RNTI.

17. the method according to any one of claim 13 to 15, it is characterised in that

L is set { the one or more values in 1,2,4,8,16,32}；

As L=1 or 2,0≤Q^(L)≤6；When L=4,8,16 or 32,0≤Q^(L)≤ 2, wherein, one or more Q above-mentioned^(L)In, have at least a Q^(L)It is not equal to 0；

K is the subframe index k=0,1,2 to target UE PDCCH or the EPDCCH place sent ... .9；

Y_kDetermine according to described part 1, Y_k=(A Y_k-1) modD, wherein, D=2^W+1, Y_-1=B, wherein B is the 10 system numbers that part 1 bit of described RNTI is corresponding.

18. method according to claim 17, it is characterised in that

When for PDCCH, as L=1 or 2, M^(L)=6；As L=4 or 8, M^(L)=2；

The CCE total number of subframe k is N_CCE,k, this N_CCE,kIndividual CCE index is 0,1 ..., N_CCE,k-1, N_CCE,kMeet:

A is a positive integer coprime with D,

For PDCCH, as W=16, A=39827；

When for EPDCCH, 0≤M^(L)≤8；

The ECCE total number of subframe k is N_CCE,k, this N_CCE,kIndividual ECCE index is 0,1 ... .N_ECCE,k-1, N_ECCE,kMeet:

For EPDCCH, as W=16, for the 0th set: the A=39827 of EPDCCH, for the 1st set: the A=39829 of EPDCCH.

19. one kind controls information processor, it is characterised in that including:

Distribution module, for distributing Radio Network Temporary Identifier RNTI for target UE UE, wherein, described RNTI includes: part 1 and part 2, wherein, part 1 bit number is identical with the number of physical downlink control channel PDCCH or the CRC CRC bit strengthening Physical Downlink Control Channel EPDCCH, it is set to W bit, part 2 is X bit, W, X are the positive integer more than 0, and part 1 is for the scrambling of physical downlink control channel PDCCH or the CRC CRC bit strengthening Physical Downlink Control Channel EPDCCH；

Sending module, for sending described PDCCH or EPDCCH to described target UE, wherein, described PDCCH and described EPDCCH has Q^(L)Individual possible position, control Channel Elements CCE index or enhancing control Channel Elements ECCE index that each described position is corresponding are according to location index m, described part 1 and search volume parameter u^(L)Determining, wherein, L is polymerization grade, Q^(L)For the number of PDCCH or EPDCCH position candidate, Q in the search volume that L is corresponding^(L)For integer, m=0,1 ... Q^(L)-1。

20. one kind controls information processor, it is characterised in that including:

Determine module, for determining the Radio Network Temporary Identifier RNTI of network allocation, wherein, described RNTI includes part 1 and part 2, wherein, part 1 bit number is identical with the number of physical downlink control channel PDCCH or the CRC CRC bit strengthening Physical Downlink Control Channel EPDCCH, it is set to W bit, part 2 is X bit, W, X are the positive integer more than 0, and part 1 is for the descrambling of physical downlink control channel PDCCH or the CRC CRC bit strengthening Physical Downlink Control Channel EPDCCH；

Receiver module, for receiving described PDCCH or EPDCCH that described network sends, wherein, described PDCCH and described EPDCCH has Q^(L)Individual possible position, control Channel Elements CCE index or enhancing control Channel Elements ECCE index that each described position is corresponding are according to location index m, described part 1 and search volume parameter u^(L)Determining, wherein, L is polymerization grade, Q^(L)For the number of PDCCH or EPDCCH position candidate, Q in the search volume that L is corresponding^(L)For integer, m=0,1 ... Q^(L)-1, u^(L)Search volume parameter for PDCCH or EPDCCH.