CN101155406B - Resource allocation indicating method and device - Google Patents
Resource allocation indicating method and device Download PDFInfo
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- CN101155406B CN101155406B CN2006101406554A CN200610140655A CN101155406B CN 101155406 B CN101155406 B CN 101155406B CN 2006101406554 A CN2006101406554 A CN 2006101406554A CN 200610140655 A CN200610140655 A CN 200610140655A CN 101155406 B CN101155406 B CN 101155406B
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Abstract
A resource distribution indication method is disclosed in the present invention, the method comprises: a network side identifies the distribution state of an uplink each resource regulation unit RU, and sorts the user identification according to each RU sequence distributing to the user, and the distribution states of each RU indicates the RU whether using virtual multi-antenna; the network side sends resource distribution indication information including the RU distribution state and post-sequence user identification array to a terminal equipment; furthermore, the RU distribution state also indicates the RU whether distributing, or the RU distribution state whether uniform with previous RU adjacent to it. Using the method of the present invention, when the RU uses the virtual multi-antenna and/or RU not distributing, the user terminal can obtain accurate resource information distributing to the equipment. A device and terminal equipment for indicating the resource distribution information are also disclosed in the present invention.
Description
Technical field
The present invention relates to the wireless mobile telecommunication technology field, relate in particular to a kind of indicating means and device thereof of resource allocation.
Background technology
Long Term Evolution (LTE at mobile radio system, Long Term Evolution) adopts orthogonal frequency division multiplexing multiple access (OFDMA in the research, Orthogonal Frequency Division MultiplexingAccess) technology is carried out downlink data transmission, adopt single-carrier frequency division multiple access (SC-FDMA, SingleCarrier-Frequency Division Multiplexing Access) technology is carried out transmitting uplink data, and adopts multi-antenna technology to improve the capacity of system.
In up SC-FDMA system,, different terminal equipment realizes multiplexing between the terminal equipment for distributing different running time-frequency resources.When Resources allocation, adopt dispatching technique, give this terminal equipment, can reach the optimum allocation of resource like this and improve the throughput of system the best time-frequency resource allocating of each terminal equipment correspondence; So-called best running time-frequency resource is meant that the channel condition of a terminal equipment on these running time-frequency resources is best.Wherein, resource units (RU, Resource Unit) is the base unit of running time-frequency resource scheduling.The transmission bandwidth of system can be divided into a plurality of subcarriers according to the interval between the subcarrier, a Resource Unit is made up of a plurality of continuous sub-carriers and a plurality of symbol time, according to the number of subcarrier and the setting of RU, the transmission bandwidth of system can be divided into a plurality of RU.
The transmission bandwidth of system as shown in Figure 1 is divided into 15 subcarriers and three RU, and a RU comprises 5 continuous subcarriers on frequency domain, comprise four continuous symbol times on the time domain.In up SC-FDMA system, for the characteristic of bonding carrier wave, consider the scheduling of running time-frequency resource simultaneously, the running time-frequency resource of distributing to each terminal equipment all is continuous, the resource that terminal equipment is scheduled is the RU of a RU or several successive.With Fig. 1 is example, if a terminal equipment is scheduled for two RU, then these two RU can only be RU1, RU2; Or RU2, RU3, and can be with RU1, RU3 distributes to this terminal equipment.
When multi-antenna technology is applied in the up SC-FDMA system, because multi-antenna technology requires transmitting terminal and receiving terminal that a plurality of antennas are all arranged, and terminal equipment is owing to be subjected to volume, the influence of power consumption and cost can not be settled a plurality of transmitting antennas, the antenna number of terminal equipment is 1 or 2, and settle a plurality of antennas for base station (Node B) is feasible, therefore in up link when the transmitting antenna number of terminal equipment be that 2 and 2 are when above, a plurality of transmitting antennas of each terminal equipment can and a plurality of reception antennas of Node B between constitute multiple-input and multiple-output (MIMO) system, be called Single User MIMO; But when the number of transmit antennas of terminal equipment was 1, this terminal equipment can't constitute mimo system separately and between a plurality of reception antennas of Node B.In order well to utilize the characteristics of MIMO, the implementation method of virtual multi-antenna (virtualMIMO) has been proposed, the a plurality of reception antennas that are a plurality of single antenna terminal equipment and Node B end constitute jointly one group of virtual mimo system, from each single antenna terminal equipment, all be that a single-shot is overcharged system, and all single antenna terminal equipment is combined, just be equal to a plurality of transmitting antennas, with virtual mimo system of a plurality of reception antennas formations of Node B.UE1 for example, UE2 has only a transmitting antenna, and Node B has two reception antennas, UE1 like this, the UE2 associating just can be formed two two virtual receipts systems with Node B.After adopting virtual MIMO technology, form the identical running time-frequency resource of single antenna terminal hold facility of same group of virtual mimo system, improved spectrum efficiency.
When adopting dispatching technique, Node B distributes indication information by the ascending resource of descending transmission control corresponding signaling uplink terminal equipment, the identifier of the terminal equipment that having comprised in information is scheduled carries out uplink, and distribute to the RU status indication information that the terminal equipment that is scheduled carries out transfer of data; After all terminal equipments that need carry out uplink receive the control signaling of resource allocation indication information in the sub-district, this signaling of demodulation, and judge and control the sign that whether includes this terminal equipment in the signaling, if comprise Terminal Equipment Identifier, then this terminal equipment is scheduled, and further confirms to distribute to the resource of this terminal equipment.
The resource of distributing to terminal equipment according to the ordering and the acquisition of resource allocation indication information of Terminal Equipment Identifier when confirming the terminal equipment resource.The resource allocation indicating method of prior art is based on combined coding, utilized the successional characteristics of each dispatch terminal device resource in the correlation of each terminal equipment institute Resources allocation and the SC-FDMA up-link.Concrete resource allocation indication is consulted shown in Figure 2, identified the distribution state of 10 RU among this figure, each " 1 " above the RU represents that this RU and a follow-up RU of this RU distribute to same terminal equipment, and " 0 " represents that this RU is last RU that distributes to certain terminal equipment.Adopt this resource indicating method, only sign has been known the resource of distributing to same terminal equipment, do not identify the terminal equipment of this resource correspondence, therefore the sign of terminal equipment need be arranged according to the allocation order of RU, the user ID sequence that demodulates ordering when each terminal equipment just can confirm to distribute to the resource of oneself.For example: the sequence after six dispatch terminal device identifications are sorted is: ID1, ID2, ID3, ID4, ID5, ID6 is according to the indication of Fig. 2, can determine first RU and distribute to UE1,2nd, the 3rd and the 4th RU distributes to UE2, and the 5th and the 6th RU distributes to UE3, and the 7th RU distributes to UE4, the the 8th and the 9th RU distributes to UE5, and the 10th RU distributes to UE6.
Adopt above-mentioned resource indicating method, think that all RU distribute to terminal equipment, but in the system of reality, exist a certain some RU of the scheduling moment not dispatched by terminal equipment; Perhaps, when synchronous non-self-adapting (HARQ is adopted in uplink, Hybrid Automatic Repeat Request) time, a terminal equipment takies identical running time-frequency resource when transmitting with re-transmission for the first time, as long as when first transmission, indicate the resource allocation message of this terminal equipment, do not need to transmit once more the control corresponding signaling during re-transmission, like this, the part resource does not constantly need to indicate again in certain scheduling, and at this moment existing technology can not effectively solve the problem of resource indication.As shown in Figure 2, if the 5th and the 6th RU is not assigned with in a certain scheduling constantly, remaining RU is assigned to 5 different terminal equipments respectively, resource allocation indication information in the control signaling comprises the ordering of five Terminal Equipment Identifiers, each terminal equipment demodulates the resource allocation indication information, obtains the Resources allocation of oneself according to this information.The distribution condition of the RU that obtains is: the 1st RU distributes to UE1, and the the 2nd, the 3rd and the 4th RU distributes to UE2, and the 5th and the 6th RU distributes to UE3, and the 7th RU distributes to UE4, and the 8th and the 9th RU distributes to UE5; Hence one can see that UE3, UE4, the assignment information that three terminal equipments of UE5 obtain all is incorrect.Therefore adopt existing method, the RU that when having unappropriated RU, can not accurately obtain each terminal equipment and distributed.
Same, when adopting virtual MIMO technology, the resource that can not accurately obtain each terminal equipment and distributed according to the resource allocation indicating method of prior art.For example: in RU shown in Figure 2, if the the 2nd, the 3rd and the 4th RU is assigned to terminal equipment UE2 and UE3 takies, resource allocation indication information in the control signaling comprises the identifier of seven terminal equipments, each terminal equipment obtains following RU assignment information according to the resource allocation indication information: the 1st RU distributes to UE1,2nd, the 3rd and the 4th RU distributes to UE2, by that analogy, obtain the RU that other-end equipment is distributed.Can find, adopt this method, UE3 with and later terminal equipment all obtained incorrect resource allocation information.Therefore, when adopting virtual MIMO technology, distribute indicating means can not accurately obtain the resource allocation information of each terminal equipment according to existing resources.
Summary of the invention
The invention provides a kind of indicating means and device of resource allocation, in order to solve in the prior art when RU does not distribute to dispatch terminal equipment and/or employing virtual MIMO technology the accurately problem of indicating terminal equipment institute Resources allocation.
The invention provides following technical scheme:
A kind of indicating means of resource allocation comprises the steps:
The distribution state of up each RU of scheduling of resource unit of network side sign, and according to the order that each RU distributes to the user user ID is sorted, and the distribution state on described each RU shows whether this RU adopts virtual multi-antenna;
The resource allocation indication information that described network side will comprise the user ID sequence after described RU distribution state sign and the ordering sends to terminal equipment;
Described terminal equipment is compared according to distribution state sign and the user ID sequence of RU in the described resource allocation indication information, determine to distribute to the RU of this terminal equipment, wherein, show when adopting virtual multi-antenna among this RU in the distribution state of RU, terminal equipment is determined the user who constitutes this virtual multi-antenna, and compare by these all users' the sequential bits of user ID in described user ID sequence, the distribution state of described RU is designated when unallocated, and described terminal equipment is ignored this RU when comparing.
Wherein, being identified in the described user ID sequence of all users that constitutes same virtual multi-antenna takies same sequential bits.
Described network side sends to terminal equipment with the distribution state identification record of each RU in the state dial gauge; Described terminal equipment obtains the distribution state of each RU from described state dial gauge.
Preferable, show that in the distribution state of RU the processing when adopting virtual multi-antenna among this RU comprises the steps:
Terminal equipment is determined the number of users of this RU correspondence according to the distribution state sign of this RU;
First user ID of corresponding described RU begins to read the user ID of described quantity from described user ID sequence;
Judge the user ID that whether comprises this terminal equipment in the user ID that reads, if determine that then this RU distributes to this terminal equipment, otherwise one RU compares to the back.
Wherein, when described terminal equipment determines that described back one RU and last RU distribute to different user, when from described user ID sequence, determining the user ID of described back one RU correspondence, skip all user ID of described last RU correspondence.
Described network side is determined the shared bit of each distribution state sign according to the antenna amount of this equipment.
The distribution state of described RU shows also whether this RU distributes, or whether the distribution state of the previous RU that is adjacent of the distribution state of this RU is identical.
The distribution state of described RU is designated when unallocated, and described terminal equipment is ignored this RU when comparing.
This does not distribute to Any user this RU of the unallocated finger of described RU, does not promptly pass data on the RU; Perhaps, this RU of the unallocated finger of RU distributes to certain dispatched users before this transmission, does not need to indicate again at this.
A kind of indicating device of resource allocation information comprises:
Identify unit is used to identify the distribution state of up each RU, and this distribution state shows whether RU adopts virtual multi-antenna, and distribution state identifies unappropriated RU when RU is unallocated;
Sequencing unit, the order that is used for distributing to according to each RU the user sorts to user ID;
Transmitting element is used to send the resource allocation indication information that comprises the user ID sequence after described user's distribution state sign and the ordering.
A kind of indicating device of resource allocation information comprises:
Identify unit is used to identify the distribution state of up each RU, and identifies unappropriated RU;
Sequencing unit, the order that is used for distributing to according to each RU the user sorts to user ID;
Transmitting element is used to send the resource allocation indication information that comprises the user ID sequence after described user's distribution state sign and the ordering.
Beneficial effect of the present invention is as follows:
Adopt the present invention's distribution state according to RU in the resource allocation indication information, identify unappropriated RU, make terminal equipment ignore this RU according to the sign of unappropriated RU, avoided this RU is confirmed as the RU that is assigned to the user, when having realized existing unappropriated RU also accurately indicating terminal equipment obtain to distribute to the resource information of this terminal equipment; Simultaneously, adopt the present invention also to identify whether adopt the virtual-antenna technology among the RU, solved because RU can not accurately determine the problem of resource allocation information when being assigned to the terminal equipment that adopts the virtual-antenna technology.In a word, adopt the present invention, make terminal equipment can accurately obtain to distribute to the resource of this terminal equipment according to the distribution state sign of each RU.
Description of drawings
Fig. 1 is a RU schematic diagram of the prior art;
Fig. 2 is a resource allocation indication schematic diagram of the prior art;
Fig. 3 is the system configuration schematic diagram in the embodiment of the invention;
Fig. 4 is the architecture of base station schematic diagram in the embodiment of the invention;
Fig. 5 is the terminal equipment structural representation in the embodiment of the invention;
Fig. 6 is the process chart in the embodiment of the invention one;
Fig. 7,8 and 9 is the resource allocation indication schematic diagram in the embodiment of the invention one;
Figure 10 is the resource allocation indication schematic diagram in the embodiment of the invention two.
Embodiment
When the distribution state of up each RU of scheduling resource unit of network side sign, whether RU adopts virtual multi-antenna according to the distribution state sign in the present embodiment; When terminal equipment according to the resource allocation indication information in distribution state sign and the user ID sequence of RU compare, show when adopting virtual multi-antenna among this RU in the distribution state of RU, terminal equipment can be determined all users that constitute this virtual multi-antenna, and compares by these all users' the sequential bits of user ID in the user ID sequence.Wherein, being identified in the described user ID sequence of all users that constitutes same virtual multi-antenna takies same sequential bits.Further, network side is designated unallocated state for unallocated user's the RU that gives with it when the distribution state of each resource units RU of sign, and terminal equipment is ignored this RU according to the unallocated status indicator of RU.Wherein, determine the shared bit of distribution state sign according to the antenna amount of network side; The distribution state of RU shows also whether this RU distributes, or whether the distribution state of the previous RU that is adjacent of the distribution state of this RU is identical.This does not distribute to Any user this RU of the unallocated finger of RU, does not promptly pass data on the RU; Perhaps, this RU of the unallocated finger of RU distributes to certain dispatched users before this transmission, does not need to indicate again at this.
When network side identifies the distribution state of each RU, can generate the state dial gauge, utilize user's distribution state sign of each RU of this table record, terminal equipment checks that this table obtains the distribution state of each RU.Wherein, the length of state dial gauge is determined according to the possible distribution state quantity of RU quantity and this RU.When determining the length of table, the length of table equals number * n of RU, n=log2 (M) wherein, M be Node B be under certain reception antenna each RU go up may distribution state quantity.
Consult shown in Figure 3ly, the system in the present embodiment comprises: resource allocation information indicating device 310 and a plurality of terminal equipment 320.Resource allocation information indicating device 310 is used to identify the distribution state of each resource units RU, identify RU and whether adopt virtual multi-antenna, whether RU distributes, or whether the distribution state of the previous RU that is adjacent of the distribution state of this RU is identical, the order of distributing to the user according to each RU sorts to user ID then, and sends the resource allocation indication information that comprises the user ID sequence after described user's distribution state sign and the ordering; Wherein, being identified at of all users that constitutes same virtual multi-antenna only takies a sequential bits in the described user ID sequence.Terminal equipment 320 is used for comparing according to distribution state sign and the user ID sequence of described resource allocation indication information RU, be defined as the RU that this terminal equipment distributes, and show when adopting virtual multi-antenna among this RU in the distribution state of RU, determine to constitute all users of this virtual multi-antenna, and compare by the sequential bits that this all users' user ID takies in the user ID sequence; Simultaneously, terminal equipment 320 identifies this RU when unallocated in the distribution state of RU, ignores this RU.
The functional unit that resource allocation information indicating device 310 comprises can be referring to Fig. 4, and among this figure, resource allocation information indicating device 310 comprises: identify unit 3101, sequencing unit 3102 and transmitting element 3103.Wherein, identify unit 3101 is used to identify the distribution state of each resource units RU; The order that sequencing unit 3102 is used for distributing to according to each RU the user sorts to user ID; Transmitting element 3103 is used to send the resource allocation indication information that comprises the user ID sequence after described user's distribution state sign and the ordering.
The functional unit that terminal equipment 320 comprises can be referring to Fig. 5, and among this figure, terminal equipment 320 comprises: communication unit 3201 and processing unit 3202.Wherein, communication unit 3201 is used to receive the user's distribution state sign that comprises RU and the resource allocation indication information of the user ID sequence after the ordering; Processing unit 3201 is used for comparing according to distribution state sign and the user ID sequence of described resource allocation indication information RU, be defined as the RU that this terminal equipment distributes, and when RU distributes to a plurality of user who constitutes virtual multi-antenna, determine all users that constitute this virtual multi-antenna, and in the user ID sequence, only take a sequential bits by this all users' user ID and compare, and when judging unappropriated RU, ignore this RU.
The distribution state of resource allocation information indicating device 310 each RU of sign, when resource allocation information indicating device 310 and terminal equipment 320 composition virtual multi-antennas, when each RU all is assigned to terminal equipment, whether only need further identify RU is to adopt virtual multi-antenna, when RU was unallocated, it was unallocated to identify RU; In the system that does not adopt virtual multi-antenna, only need identify unappropriated RU, according to different applicable cases, can adopt different distribution state signs respectively.Can adopt the mode of combined coding to the sign of each distribution state, and determine the possible distribution state quantity of RU according to the antenna amount of network side.
The present invention is described in detail by the following examples.
Embodiment one:
Present embodiment is that example describes with Virtual MIMO.Wherein, the resource allocation information indicating device of network side employing is the base station.
Consult shown in Figure 6ly, the processing procedure of resource allocation information that terminal equipment obtains this equipment is as follows:
Sort to user ID according to the order that each RU distributes to the user in step 602, base station, and the resource allocation indication information that will comprise user ID sequence after the ordering and user's distribution state sign sends to terminal equipment.
Wherein, when comparison, if showing among this RU, the distribution state of RU adopts virtual multi-antenna, can determine to constitute all users of this virtual multi-antenna according to the distribution state sign of described RU, judge then whether this equipment is contained among described all users, if this RU is defined as distributing to the resource of this equipment; Otherwise one RU compares to the back, and when a back RU who determines this RU and this RU distribute to different user, when the user ID of the back RU correspondence of definite this RU from described user ID sequence, skips all user ID of this RU correspondence.
Show in the distribution state of RU and to adopt virtual multi-antenna among the RU, when determining to constitute all users of this virtual multi-antenna according to the distribution state sign of RU, can determine the number of users of this RU correspondence earlier according to the distribution state sign of this RU, first user ID of corresponding described RU begins to read the user ID of described quantity from described user ID sequence then, determines the user of this RU correspondence.
Below divide concrete applicable cases that above-mentioned processing procedure is described.
Consult shown in Figure 7ly, the transmission bandwidth of system is divided into 10 RU, and antenna for base station quantity is 2, and each RU all is assigned to dispatched users.The base station adopts 2 Bit datas to identify the distribution state of each RU, and RU adopts virtual MIMO with " 00 " expression, distributes to 2 users simultaneously; " 01 " expression RU distributes to 1 user; User's distribution state of the previous RU that the state of " 11 " expression RU is adjacent is identical.The distribution state of each RU is: the 1st RU distributes to user A; 2nd, the 3rd and the 4th RU distributes to user B and the user C that adopts virtual MIMO, and the 5th and the 6th RU distributes to user D; The 7th RU distributes to user E; The the 8th and the 9th RU distributes to user F and the user G that adopts virtual MIMO; The 10th RU distributes to user H.User A is respectively UE1, UE2, UE3, UE4, UE5, UE6, UE7, UE8 to the sign of user H.The base station utilizes above-mentioned RU distribution state sign that each RU is identified, and according to the allocation order of RU user ID is sorted, and the user ID sequence after will sorting " UE1 UE2 UE3 UE4 UE5 UE6 UE7 UE8 " and RU distribution state sign send to terminal equipment as the resource allocation indication information.After terminal equipment receives the resource allocation indication information, check the user ID that whether has oneself according to the ordering of the user in the resource allocation indication information, when finding the user ID of oneself, determine to be scheduled, compare according to the distribution state sign of user's ordering and each RU then, determine resource into this devices allocation.Wherein, as determine to distribute to the RU of user D, when comparing the RU that adopts virtual MIMO, as the 2nd RU, being designated 00 according to the distribution state of the 2nd RU judges this RU and is assigned to 2 users, the user ID of then determining this RU correspondence is UE2 and UE3, and this RU is the resource of user B and user C; And user D be designated UE4, user D is not assigned with this RU, continues the 3rd and the 4th RU compared, the 3rd and the 4th RU also is the resource of user B and user C; When comparing the 5th RU, when determining this RU and the 4th RU and distributing to different user, when determining the user ID of the 5th RU correspondence, skip all user ID of the 4th RU correspondence, be the user ID of user B and user C, determine the resource of the 5th RU for user D.The comparison method of determining the resource of distributing for other users is similar, repeats no more.
Consult shown in Figure 8ly, the transmission bandwidth of system is divided into 10 RU, and antenna for base station quantity is 2, comprises the RU that is not assigned with in the transmission bandwidth.The base station adopts 2 Bit datas to identify the distribution state of each RU, represents that with " 00 " this RU has adopted virtual MIMO, distributes to 2 users simultaneously; " 01 " represents that this RU distributes to 1 user; " 10 " represent that this RU does not distribute; " 11 " represent that the distribution state of the previous RU that the state of this RU is adjacent is identical.The distribution state of each RU is: the 1st RU distributes to user A; The the 2nd and the 3rd RU distributes to user B and the user C that adopts virtual MIMO; The 4th RU distributes to user D and the user E that adopts virtual MIMO; The the 5th and the 6th RU distributes to user F; The the 7th and the 8th the unallocated user of RU; The the 9th and the 10th RU distributes to user G.User A is respectively UE1, UE2, UE3, UE4, UE5, UE6, UE7 to the sign of user G.Utilize above-mentioned distribution state sign that each RU is identified, the distribution state sign of 10 RU of the 1st RU to the is respectively: 01,00,11,00,01,11,10,10,01,11; The order of distributing to each user according to each RU obtains the user ID sequence after to each user ID ordering: UE1, UE2, UE3, UE4, UE5, UE6, UE7.
User ID sequence and the user distribution state sign of base station after with above-mentioned ordering sends to terminal equipment as the resource allocation indication information.After terminal equipment receives the resource allocation indication information, check the user ID that whether has oneself according to the ordering of the user in the resource allocation indication information, when finding the user ID of oneself, determine to be scheduled, according to the distribution state sign comparison RU of user's ordering and each RU, determine the resource of distributing then into this user.Wherein, when comparing unappropriated RU,, be designated " 10 ", judge the unallocated user of this RU, ignore the 7th and the 8th RU during comparison according to the distribution state of this RU as the 7th and the 8th RU.
Consult shown in Figure 9ly, the transmission bandwidth of system is divided into 10 RU, and antenna for base station quantity is 3, comprises the RU that is not assigned with in the transmission bandwidth.Adopt 3 Bit datas to identify user's distribution state of each RU, RU distributes to two single antenna users that adopt virtual MIMO with " 000 " expression; " 001 " expression RU distributes to three single antenna users that adopt virtual MIMO; " 010 " expression RU distributes to a single antenna user and one two antenna user of adopting virtual MIMO and constitutes; " 011 " expression RU distributes to the user who does not adopt virtual MIMO; RU is unallocated in " 100 " expression; The distribution state of the previous RU that the state of " 101 " expression RU is adjacent is identical.The distribution state of each RU is: the 1st RU distributes to user A and the B that adopts single antenna; The the 2nd and the 3rd RU distributes to user C, user D and the user E that adopts single antenna; The 4th RU is unallocated to the user; The the 5th and the 6th RU distributes to single antenna user F and two antenna user G; The 7th RU distributes to the user H that does not adopt virtual MIMO; The 8th RU is unallocated to the user; The the 9th and the 10th RU distributes to the user I that does not adopt virtual MIMO.User A is respectively UE1, UE2, UE3, UE4, UE5, UE6, UE7, UE8, UE9 to the sign of user I.Utilize above-mentioned distribution state sign that each RU is identified, the distribution state sign of 10 RU of the 1st RU to the is respectively: 000,001,101,100,010,101,011,100,011,101.The order of distributing to each user according to each RU obtains the user ID sequence after to each user ID ordering: UE1, UE2, UE3, UE4, UE5, UE6, UE7.
User ID sequence and the user distribution state sign of base station after with above-mentioned ordering sends to terminal equipment as the resource allocation indication information.After terminal equipment receives the resource allocation indication information, check whether there is this user ID according to the ordering of the user in the resource allocation indication information, when finding this user ID, determine to be scheduled, according to the distribution state sign comparison RU of user's ordering and each RU, determine the resource of distributing then into this user.Wherein, be designated when distributing to the user who adopts virtual MIMO, a plurality of users of this RU correspondence are considered as user's comparison in the RU distribution state; And be designated when unallocated in the RU distribution state, ignore this RU.
Embodiment two:
When not adopting virtual MIMO in the system, only need identify unappropriated RU, when terminal equipment is defined as the RU of this devices allocation according to the resource allocation indication information, ignores and be designated unappropriated RU.
Consult shown in Figure 10ly, the transmission bandwidth of system is divided into 10 RU, and antenna for base station quantity is 2, comprises unappropriated RU in the transmission bandwidth.Adopt 2 Bit datas to identify the distribution state of each RU, RU distributes to 1 user with " 01 " expression; RU is unallocated in " 10 " expression; User's distribution state of the previous RU that the state of " 11 " expression RU is adjacent is identical.The distribution state of each RU is: the 1st RU distributes to user A; 2nd, the 3rd and the 4th RU distributes to user B; The the 5th and the 6th RU distributes to user C; The 7th RU is unallocated to the user; The the 8th and the 9th RU distributes to user D; The 10th RU distributes to user E.User A is respectively UE1, UE2, UE3, UE4, UE5 to the sign of user E.Utilize above-mentioned distribution state sign that each RU is identified, the distribution state sign of 10 RU of the 1st RU to the is respectively: 01,01,11,11,01,11,10,01,11,01; The order of distributing to each user according to each RU obtains the user ID sequence after to each user ID ordering: UE1, UE2, UE3, UE4, UE5, UE6, UE7.
User ID sequence and the user distribution state sign of base station after with above-mentioned ordering sends to terminal equipment as the resource allocation indication information.After terminal equipment receives the resource allocation indication information, check whether there is this user ID according to the ordering of the user in the resource allocation indication information, when finding this user ID, determine to be scheduled, according to the distribution state sign comparison RU of user's ordering and each RU, determine the resource of distributing then into this user.Wherein, be designated when unallocated, ignore this RU in the RU distribution state.
Among the above embodiment, provided the indicating means of resource allocation according to different applicable cases, adopt said method, unallocated or when being assigned to a plurality of user who adopts virtual MIMO at RU, terminal equipment identifies the distribution state that all can distinguish this RU according to the distribution state of this RU, determines the resource into this devices allocation.
Be 2 or 3 to be illustrated with the antenna amount of base station respectively in the foregoing description, but the present invention is not limited only to this.According to the present invention, the antenna amount when the base station changes, and determines the possible distribution state of each RU, and adopt different signs that each state is identified that its method is similar, repeats no more.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (10)
1. the indicating means of a resource allocation is characterized in that, comprises the steps:
The distribution state of up each RU of scheduling of resource unit of network side sign, and according to the order that each RU distributes to the user user ID is sorted, and the distribution state on described each RU shows whether this RU adopts virtual multi-antenna;
The resource allocation indication information that described network side will comprise the user ID sequence after described RU distribution state sign and the ordering sends to terminal equipment;
Described terminal equipment is compared according to distribution state sign and the user ID sequence of RU in the described resource allocation indication information, determine to distribute to the RU of this terminal equipment, wherein, show when adopting virtual multi-antenna among this RU in the distribution state of RU, terminal equipment is determined the user who constitutes this virtual multi-antenna, and compare by these all users' the sequential bits of user ID in described user ID sequence, the distribution state of described RU is designated when unallocated, and described terminal equipment is ignored this RU when comparing.
2. the method for claim 1 is characterized in that, being identified in the described user ID sequence of all users that constitutes same virtual multi-antenna takies same sequential bits.
3. the method for claim 1 is characterized in that, described network side sends to terminal equipment with the distribution state identification record of each RU in the state dial gauge; Described terminal equipment obtains the distribution state of each RU from described state dial gauge.
4. method as claimed in claim 3 is characterized in that, shows that in the distribution state of RU the processing when adopting virtual multi-antenna among this RU comprises the steps:
Terminal equipment is determined the number of users of this RU correspondence according to the distribution state sign of this RU;
First user ID of corresponding described RU begins to read the user ID of described quantity from described user ID sequence;
Judge the user ID that whether comprises this terminal equipment in the user ID that reads, if determine that then this RU distributes to this terminal equipment, otherwise one RU compares to the back.
5. method as claimed in claim 4, it is characterized in that, when described terminal equipment determines that described back one RU and last RU distribute to different user, when from described user ID sequence, determining the user ID of described back one RU correspondence, skip all user ID of described last RU correspondence.
6. method as claimed in claim 5 is characterized in that, described network side is determined the shared bit of each distribution state sign according to the antenna amount of this equipment.
7. as each described method of claim 1 to 6, it is characterized in that the distribution state of described RU shows also whether this RU distributes, or whether the distribution state of the previous RU that is adjacent of the distribution state of this RU is identical.
8. method as claimed in claim 7 is characterized in that, the distribution state of described RU is designated when unallocated, and described terminal equipment is ignored this RU when comparing; This does not distribute to Any user this RU of the unallocated finger of described RU, does not promptly pass data on the RU; Perhaps, this RU distributes to certain dispatched users before this transmission, does not need to indicate again at this.
9. the indicating device of a resource allocation information is characterized in that, comprising:
Identify unit is used to identify the distribution state of up each RU, and this distribution state shows whether RU adopts virtual multi-antenna, and distribution state identifies unappropriated RU when RU is unallocated;
Sequencing unit, the order that is used for distributing to according to each RU the user sorts to user ID;
Transmitting element is used to send the resource allocation indication information that comprises the user ID sequence after described user's distribution state sign and the ordering.
10. the indicating device of a resource allocation information is characterized in that, comprising:
Identify unit is used to identify the distribution state of up each RU, and identifies unappropriated RU;
Sequencing unit, the order that is used for distributing to according to each RU the user sorts to user ID;
Transmitting element is used to send the resource allocation indication information that comprises the user ID sequence after described user's distribution state sign and the ordering.
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| CN109511167B (en) | 2014-05-15 | 2020-07-14 | 华为技术有限公司 | Base station, user equipment and communication signal sending and receiving method |
| WO2016141551A1 (en) * | 2015-03-10 | 2016-09-15 | 华为技术有限公司 | Interleaving processing method and device |
| CN116405159A (en) * | 2018-07-17 | 2023-07-07 | 华为技术有限公司 | Communication method and device |
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