CN103026773B - The method and apparatus of transmission data - Google Patents

The method and apparatus of transmission data Download PDF

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Publication number
CN103026773B
CN103026773B CN201180001367.XA CN201180001367A CN103026773B CN 103026773 B CN103026773 B CN 103026773B CN 201180001367 A CN201180001367 A CN 201180001367A CN 103026773 B CN103026773 B CN 103026773B
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group
dimension group
dimension
running time
frequency resource
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CN103026773A (en
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夏金环
张兴炜
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

Embodiments provide a kind of methods, devices and systems transmitting data, relate to communication technical field, described method comprises: the relevant information of two dimension group is informed each UE in described two-dimentional group, described two-dimentional group comprises at least two UE, and the relevant information of described two dimension group is used to indicate the situation that described each UE takies the running time-frequency resource of this two dimension group; The physical downlink control channel PDCCH of the running time-frequency resource being used to indicate described two dimension group is sent to described each UE; The running time-frequency resource of the two dimension group taken at described each UE with described each UE carries out transfer of data.The present invention adopts two-dimentional group scheduling mode, and time domain and frequency domain are all segmented PRB resource, not only improves the resource utilization under application-specific scene, too increases the quantity of the UE of scheduling; Thus save PDCCH expense when mass termination needs scheduling.

Description

The method and apparatus of transmission data
Technical field
The present invention relates to communication technical field, particularly a kind of method and apparatus transmitting data.
Background technology
3GPP (The3rdGenerationPartnershipProject, third generation partner program) normal structure is at LTE (LongTermEvolution, Long Term Evolution) scheduling mechanism that adopts in agreement, carry out resource management control by eNB (EvolvedNodeBasestation, the base station of evolution) is unified.When eNB has downlink data to send, the channel information that eNB can feed back in advance according to UE (UserEquipment, subscriber equipment) distributes suitable resource to this UE; And when UE has upstream data to need to send, UE can send a scheduling request information to notify that eNB is that this UE distributes transmitting uplink data resource to eNB.Specifically, eNB is at PDCCH (PhysicalDownlinkControlChannel, Physical Downlink Control Channel) in the up-downgoing schedule information of carrying UE, in order to indicate the time-frequency resource allocating information of the physical data channel of UE and corresponding modulation coding information etc.Wherein, physical data channel comprises Physical Downlink Shared Channel PDSCH (PhysicalDownlinkSharedChannel, Physical Downlink Shared Channel) and Physical Uplink Shared Channel PUSCH (PhysicalUplinkSharedChannel, Physical Uplink Shared Channel).
In present LTE standard, the least unit of scheduling of resource is a TTI (TransmissionTimeInterval, Transmission Time Interval), namely a subframe (SubFrame, SF), the time is 1ms, comprises two time slots.Each time slot comprises 7 or 6 OFDM (OrthogonalFrequencyDivisionMultiplex, OFDM) symbol, here for 7 OFDM symbol, as shown in Figure 1, because system bandwidth is different on frequency domain, and comprise the subcarrier of varying number.A PRE (PhysicalResourceElement, physical resource unit) in time domain, occupy an OFDM symbol and on frequency domain, occupy a subcarrier, a PRB (PhysicalResourceBlock, Physical Resource Block) occupies 7 OFDM symbol and on frequency domain, occupies 12 subcarriers in time domain.Suppose the resource of the running time-frequency resource shown in Fig. 1 shared by a descending sub frame, wherein PDSCH, PDCCH and other control channels and physical layer signal all can take this part common resource.What now adopt in a standard is specifically use the quantity of which part PRB and PRB to be for transmit ascending data or downlink data with a PDCCH channel dispatch UE, a UE, is indicated to UE by PDCCH channel.Because minimum thread is TTI, when eNB indicates UE to take N number of PRB, refer to N number of PRB on the frequency domain that UE occupies first time slot, but also to have implied in this TTI in second time slot N number of PRB of same position on frequency domain and also given this UE, or in second time slot mapped with certain rule, corresponding N number of PRB gives this UE.
In prior art, in time domain, except the OFDM symbol taken by other control channels and physical signalling, all remaining OFDM symbol in a TTI is assigned with as the resource transmitting data and gives this UE, if the data volume of UE transmission is smaller, fully may not use the OFDM symbol quantity of distribution, so just cause the wasting of resources, reduce resource utilization ratio.
Summary of the invention
In order to solve the problem of the PRB wasting of resources in prior art, embodiments provide a kind of method and apparatus transmitting data.Described technical scheme is as follows:
On the one hand, provide a kind of method transmitting data, described method comprises:
The relevant information of two dimension group is informed each UE in described two-dimentional group, described two-dimentional group comprises at least two UE, the relevant information of described two dimension group is used to indicate the situation that described each UE takies the running time-frequency resource of this two dimension group, and the relevant information of described two dimension group comprises: the described common identifier Group-RNTI of two dimension group, the quantity of described two-dimentional Zu Nei group, the index of the group at described each UE place, the index of described each UE in described each UE place group;
The physical downlink control channel PDCCH of the running time-frequency resource being used to indicate described two dimension group is sent to described each UE;
The running time-frequency resource of the two dimension group taken at described each UE with described each UE carries out transfer of data.
On the other hand, provide a kind of network equipment, described equipment comprises:
Notification module, for the relevant information of two dimension group being informed each UE in described two-dimentional group, described two-dimentional group comprises at least two UE, the relevant information of described two dimension group is used to indicate the situation that described each UE takies the running time-frequency resource of this two dimension group, and the relevant information of described two dimension group comprises: the described common identifier Group-RNTI of two dimension group, the quantity of described two-dimentional Zu Nei group, the index of the group at described each UE place, the index of described each UE in described each UE place group;
Sending module, for sending the physical downlink control channel PDCCH of the running time-frequency resource being used to indicate described two dimension group to described each UE;
Transport module, carries out transfer of data on the running time-frequency resource of the two dimension group taken at described each UE with described each UE.
On the one hand, additionally provide a kind of method transmitting data, described method comprises:
First user equipment UE receives the relevant information of the two dimension group that network equipment sends, described two-dimentional group comprises at least two UE, the relevant information each UE be used to indicate in two-dimentional group of described two dimension group takies the situation of the running time-frequency resource of this two dimension group, and the relevant information of described two dimension group comprises: the quantity of common identifier Group-RNTI, described two-dimentional Zu Nei group in described two dimension group, the index of the group at described each UE place, the index of described each UE in described each UE place group;
Receive the physical downlink control channel PDCCH being used to indicate the running time-frequency resource of described two dimension group that described network equipment sends, know the running time-frequency resource of the two dimension group that a described UE takies according to the relevant information of described two dimension group;
The running time-frequency resource of the two dimension group taken at a described UE with described network equipment carries out transfer of data.
On the other hand, additionally provide a kind of first user equipment, described first user equipment comprises:
Receiver module, for receiving the relevant information of the two dimension group that network equipment sends, described two-dimentional group comprises at least two user equipment (UE)s, the relevant information each UE be used to indicate in two-dimentional group of described two dimension group takies the situation of the running time-frequency resource of this two dimension group, and the relevant information of described two dimension group comprises: the quantity of common identifier Group-RNTI, described two-dimentional Zu Nei group in described two dimension group, the index of the group at described each UE place, the index of described each UE in described each UE place group;
Knowing module, for receiving the physical downlink control channel PDCCH being used to indicate the running time-frequency resource of described two dimension group that described network equipment sends, knowing the running time-frequency resource of the two dimension group shared by a UE according to the relevant information of described two dimension group;
Transport module, carries out transfer of data on the running time-frequency resource of the two dimension group taken at a described UE with described network equipment.
The beneficial effect of the technical scheme that the embodiment of the present invention provides is: adopt two-dimentional group scheduling mode, time domain and frequency domain are all segmented PRB resource, not only improve the resource utilization under application-specific scene, too increase the quantity of the UE of scheduling, thus save PDCCH expense when mass termination needs scheduling.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is running time-frequency resource schematic diagram in existing LTE standard;
Fig. 2 is a kind of flow chart transmitting the method for data that the embodiment of the present invention provides;
Fig. 3 is a kind of flow chart transmitting the method for data that further embodiment of this invention provides;
Fig. 4 is the one two dimension group schematic diagram that further embodiment of this invention provides;
Fig. 5 a kind of two-dimentional group of being that further embodiment of this invention provides is assigned with the schematic diagram of resource;
Fig. 6 is that a kind of centralized resources that further embodiment of this invention provides distributes schematic diagram;
Fig. 7 is the schematic diagram of a kind of network equipment that another embodiment of the present invention provides;
Fig. 8 is a kind of flow chart transmitting the method for data that further embodiment of this invention provides;
Fig. 9 is a kind of flow chart transmitting the method for data that further embodiment of this invention provides;
Figure 10 is the schematic diagram of a kind of first user equipment that another embodiment of the present invention provides;
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
See Fig. 2, embodiments provide a kind of method transmitting data, comprising:
101: the relevant information of two dimension group is informed each UE in described two-dimentional group, described two-dimentional group comprises at least two UE, the relevant information of described two dimension group is used to indicate the situation that described each UE takies the running time-frequency resource of this two dimension group, and the relevant information of described two dimension group comprises: the quantity of common identifier, group in the common identifier Group-RNTI of described two dimension group, described two dimension group, the index of the group at each UE place, the index of each UE in described each UE place group;
102: the physical downlink control channel PDCCH sending the running time-frequency resource being used to indicate described two dimension group to described each UE;
103: the running time-frequency resource of the two dimension group taken at described each UE with each UE in described two-dimentional group carries out transfer of data.
The beneficial effect of the technical scheme that the embodiment of the present invention provides is: adopt two-dimentional group scheduling mode, time domain and frequency domain are all segmented PRB resource, not only improves the resource utilization under application-specific scene, too increases the quantity of the UE of scheduling; Thus save PDCCH expense when mass termination needs scheduling.
See Fig. 3, embodiments provide a kind of method transmitting data, comprising:
201: N number of user equipment (UE) is assigned in one two-dimentional group according to predetermined policy by network equipment.
In the present embodiment, network equipment is described for eNB.When eNB has downlink data to send, or when UE has upstream data to need to send, some UE assigns in one two-dimentional group according to certain predetermined policy by eNB, two dimension group is used to indicate the running time-frequency resource that each UE in described two-dimentional group takies, as shown in Figure 4, multiple UE, comprise U11, U12, U21, U22, Ug1, Ug2, be in large group that is identified by Group-RNTI, Group-RNTI is this common identifier of large group, group scheduling information, i.e. PDCCH information, use this identifier to add cyclic redundancy check (CRC) code (CRC) scrambling to cover, carry out blind Detecting in the search volume of the PDCCH channel that the UE in this group determines at this identifier and obtain this group scheduling information, and solution covers this group scheduling information.Here predetermined policy mainly refers to some strategies of application layer, and such as wish that how many UE and which UE divide and use group scheduling in one two-dimentional group, belong to prior art category, the present embodiment is not specifically limited this.
The relevant information of two dimension group is informed each UE in two-dimentional group by 202:eNB.
In the present embodiment, before group scheduling, need the relevant information notifying that each UE in two-dimentional group organizes about this two dimension, comprising: the quantity g of Group-RNTI, group, the index of the group at UE place (1,2 ... g), the index (1,2) etc. in the group of UE place.Concrete, two dimension group message notice UE there are two kinds of methods, method one adopts RRC (RadioResourceControl, radio resource control) dedicated signaling informs each UE, method two adopts MAC (MediaAccessControl, media interviews control) each UE of signaled.
In the present embodiment, the relevant information of two dimension group comprises: the quantity of common identifier, group, the index of the group at each UE place in described two-dimentional group, the index in described two-dimentional group in each UE place group.
203:eNB sends to UE each in two-dimentional group the physical downlink control channel PDCCH being used to indicate the running time-frequency resource of this two dimension group.
Wherein, in LTE protocol, define three kinds of resource allocation type: the first, represent a PRB with a bit and whether be given to this UE, as 1 representative is assigned with, 0 representative is not assigned with, and has how many PRB, just need how many bits and indicate in such system.The second, whether a continuous P PRB is called PRB group, i.e. a RBG, indicate each RBG to be assigned with a bit.The third, use two designators, and by the original position of an indexed resource, another instruction takies the length of resource.In the present embodiment, added the Resourse Distribute in the group scheduling information covered by Group-RNTI, still can adopt above-mentioned three kinds of any one of distributing in type, this present embodiment is not specifically limited.
In the present embodiment, after UE obtains schedule information, just can know that this group of this schedule information mandate UE takies the situation of shared channel resources according to the instruction of two dimension group, namely these resources comprise how many PRB on frequency domain, respectively which PRB corresponding.Concrete, PRB, according to two dimension group information, is first carried out decile according to the quantity g of two-dimentional Zu Zhong group, then obtains the PRB Resource Block of corresponding equal portions according to the index of UE place group by UE on frequency domain.In time domain, by further two equal portions of TTI, namely each UE takies 7 OFDM symbol numbers in a time slot respectively, and UE determines to take first time slot or second time slot according to oneself index in group.3 groups as shown in Figure 5, two-dimentional group of 6 UE takies the schematic diagram of Resources allocation, the situation that each group distributes a PRB is illustrated in figure, wherein U11 and U12, U21 and U22, U31 and U32 all take same TTI, U11 and U12 frequency domain takies identical subcarrier, time domain takies two different time-gaps in a TTI; U21 and U22 frequency domain takies the subcarrier being different from U11 and U12, time domain takies respectively time slots different in a TTI; U31 and U32 frequency domain takies the subcarrier being different from U11 and U12 and U21 and U22.Here 6 UE are one large group, dispatch in same TTI.
The running time-frequency resource that each UE in 204:eNB and two-dimentional group takies at this UE carries out transfer of data.
In the present embodiment, alternatively, the running time-frequency resource that each UE in eNB and two-dimentional group takies at this UE carries out transfer of data, comprising:
1) ascending HARQ (HybridAutomaticRetransmissionreQuest, the hybrid automatic repeat-request) feedback result of each UE is obtained according to the situation of the data receiving each UE; Wherein, HARQ feedback result comprises: ACK/NACK (Acknowledgement/NegativeAcknowledgement, correct confirmation or the confirmation of negative);
2) logic and operation is done to the uplink HARQ feedback result of whole each UE and obtain uplink HARQ feedback final result;
3) described uplink HARQ feedback final result is fed back to described each UE on a Physical HARQ Indicator Channel PHICH channel.
Ascending HARQ is the feedback acknowledgment process of the network equipment for upstream data; And descending HARQ is the feedback acknowledgment process of UE for downlink data.
In the present embodiment, if carry out ascending resource mandate according to the form of above-mentioned two dimension group, this group UE is obtaining schedule information and after distributing the running time-frequency resource that each UE takies, will according to up-downgoing timing of channels relation, the PUSCH channel of corresponding sub-frame of uplink carries out transfer of data, eNB decoded data, and on the PHICH channel of certain descending sub frame afterwards feeding back ACK/NACK.Concrete, in the present embodiment, for two-dimentional group scheduling, the HARQ feedback of up PUSCH data adopts UE to bind the mode of associating frequency division multiplexing.Such as, the UE be scheduled during two-dimentional group scheduling can be assigned with an identification code, and in existing protocol, this identification code uses the cyclic shift of CAZAC sequence.If when being all identical for this identification code of UE all in this group, be mapped to the ACK/NACK feedback of the UE on the same PHICH channel in same PHICH group, adopt UE binding, namely the ACK/NACK feedback between each UE adopts logical "and", and its result is as feedback result corresponding to this identification code in two-dimentional group.Due in the present embodiment, what adopt is group scheduling, and dispatch one group of UE with a PDCCH, the UE in a group uses identical identification code, so the feedback result of multiple UE of the corresponding same identification code of same PHICH channel can only have one, namely adopt the mode of UE binding.Six UE are as shown in Figure 5 mapped on the same PHICH channel in same PHICH group, then eNB decode each UE send data after, if there is mistake in the data having a UE to send, then NACK can be fed back to six UE in Fig. 5 by eNB, wherein in feedack, feedback result only has a NACK, but feedback target comprises the UE of six shown in Fig. 5 simultaneously.
Further, in the present embodiment alternatively, the running time-frequency resource that each UE in eNB and two-dimentional group takies at this UE carries out transfer of data, comprising: the uplink hybrid automatic repeat request HARQ feedback result obtaining each UE according to the situation of the data receiving described each UE; Logic and operation is done to the uplink HARQ feedback result of the whole UE in each group in two-dimentional group and obtains uplink HARQ feedback final result; Described uplink HARQ feedback final result is fed back to described each UE on a Physical HARQ Indicator Channel PHICH channel.Such as, when being mapped to same PHICH channel, and when using the number ratio of the UE of same identification code more, with the feedback result of an ACK/NACK representatively, the feedback that a lot of UE is unnecessary may be caused, such as, if the feedback result that the UE of six shown in Fig. 5 receives is NACK, then each UE needs to resend data, but there is mistake when U22 wherein may be only had to send upstream data, but but to bear this mistake by all UE, which adds the feedback that other UE is unnecessary.For reducing the quantity of the UE of unnecessary feedback, preferably, when carrying out Resourse Distribute to one large group, centralized Resourse Distribute is adopted.Centralizedly to refer to: in frequency domain dimension, resource is continuous print, and centre does not have interval.Now the corresponding relation of PUSCH and PHICH is in the protocol, on the different PUSCH channel of frequency domain continuous print, the ACK/NACK feedback of data is distributed in different PHICH groups, the feedback of the UE in group scheduling is placed on the same channel in different PHICH groups, reduce the quantity needing the UE of bundled feedback in a PHICH channel, thus subsequent feedback HARQ needs the quantity of the UE retransmitted also just few.As shown in Figure 6, according to the mapping relations of PHICH and PUSCH, the PHICH channel of different group g can be mapped in different PHICH groups, the ACK/NACK feedback being mapped to the UE in same group on same PHICH channel adopts binding, be mapped on the same channel in PHICH group 1 as U11 and U12, U21 and U22 is mapped on the same channel in PHICH group 2, U31 and U32 is mapped on the same channel in PHICH group 3, adopt the quantity of UE bundled feedback to be reduced to 2 in Fig. 6, and in Fig. 4, the quantity of the UE of UE bundled feedback is 6.
The group scheduling proposed in the present embodiment and feedback scheme are suitable for the initial transmission of semi-persistent scheduling.When feedback result is NACK, the data sent before eNB or UE will retransmit.The probability occurred due to the re-transmission of UE in group is relatively low, and in group, UE re-transmission situation does not have specific rule, therefore still adopts a PDCCH to dispatch a UE for re-transmission.But for the UE that packet is less, when continuing to use existing one dimension scheduling mode, the OFDM symbol that time dimension is distributed to UE is cannotd be used up, and causes the wasting of resources.In this programme, for the small data packets retransmitted, definition repetition factor F, the OFDM symbol Q shared by the packet that quantity P and the UE of the OFDM symbol of distributing retransmit determines, F=floor (P/Q), floor () expression rounds downwards.ENB maps according to repetition factor when resource mapping in time domain, namely carries out repeated encoding to packet according to repetition factor, the transfer resource fully occupying described UE to make described packet and distribute, and then transmits the described data needing to retransmit.So the transfer resource taken at described UE with each UE in described two-dimentional group carries out transfer of data, also comprise: when receiving the confirmation nack message of negative of a UE feedback, the OFDM symbol quantity shared by packet that in the running time-frequency resource of the two dimension group taken according to a described UE, orthogonal frequency division multiplex OFDM symbol quantity and needing retransmits, obtains repetition factor; Repeated encoding is carried out, to make the described running time-frequency resource needing the packet retransmitted fully to occupy the two dimension group that a described UE takies on the running time-frequency resource of the two dimension group that the described packet needing to retransmit takies at a described UE according to described repetition factor; Transmit the described packet needing to retransmit.
Alternatively, in the present embodiment, the running time-frequency resource that each UE in eNB and two-dimentional group takies at this UE carries out transfer of data, also comprises: the uplink hybrid automatic repeat request HARQ feedback result obtaining each UE according to the situation of the data receiving described each UE; The uplink HARQ feedback result of the whole UE in each group in two-dimentional group is fed back on a Physical HARQ Indicator Channel PHICH channel each UE in described each group in a time multiplexed manner respectively.
In embodiments of the present invention, the HARQ feedback about the up PUSCH of group scheduling also can adopt the mode of FDM+TDM (frequency division multiplexing+time division multiplexing), comprising:
1, during up PUSCH Resourse Distribute, feedback resources corresponding to each group is distributed in different PHICH groups, namely adopts frequency division multiplexing, the feedback of each group is distributed in different PHICH groups;
2, for the upstream data of UE each in group, send to the feedback of UE can adopt TDM mode, UE, according to the sequence number index of controlling oneself, takies the PHICH channel of corresponding descending sub frame respectively.
The index of UE in the corresponding group of FDD (FrequencyDivisionDuplex, Frequency Division Duplexing (FDD)): feedback occurs in n+4+K, K.This refers to UE and send upstream data on the n-th subframe PUSCH, feedback occurs in n+4+K subframe, and 4 is specify in present LTE protocol, occurs in the n-th+4 subframe to the feedback of the upstream data of the n-th subframe.
When feeding back generation in the corresponding each up-downgoing proportioning of TDD (TimeDivisionDuplex, time division duplex): feedback occurs in n+k+K, k, the index of UE in the corresponding group of K, in K the descending sub frame of its feedback after n+k.Concrete expression: send upstream data on the PUSCH of the n-th subframe, during a scheduling UE, feedback should occur in the n-th+k subframe, but, be group scheduling now.Have two UE, K=0 in such as group, 1. so the feedback of the 1st UE should occur in the n-th+k+0 subframe, and the feedback moment of second UE occurs in the n-th+k+1 subframe.
In embodiments of the present invention, in above-mentioned two-dimentional group of group, the quantity of UE is 2, and the quantity of UE can be configured on demand in group here in fact, can configure multiple UE, and in each group, the quantity of UE also can be different.It is used by a group that group scheduling information is used to indicate one section of running time-frequency resource, and the UE in group is according to group information by frequency-domain and time-domain resource mean allocation, and UE takies corresponding resource location according to the index position of oneself.In fact here also can by resource mean allocation, during group scheduling, the time-frequency location that in direct instruction group, each UE needs and size.Under this mode, can to distribute according to need different resource size and position for each UE, but need the amount of bits of instruction comparatively large, expense is larger.
Further, in the present embodiment, distribute between group on frequency domain, each group takies a PRB, and the UE in group distributes the OFDM symbol taken separately number in a TTI.This mode is mainly considered on the one hand and existing protocol compatibility, considers that the OFDM symbol number of a UE in a TTI all cannots be used up on the other hand, need not distribute more PRB on frequency domain.In fact, this mode can further expand, and frequency domain can be granularity is distributed with sub-carrier number, also can be that granularity is distributed with RBG; In time domain, the UE in group can be that granularity is distributed with OFDM symbol, also can with time slot or subframe for granularity is distributed.
The relevant information of described two dimension group is also used to indicate the situation that described each UE takies the feedback resources of two dimension group; The feedback resources of the two dimension group then taken at described each UE receives the descending HARQ feedback result of described each UE.
The beneficial effect of embodiment of the method provided by the invention is: adopt two-dimentional group scheduling mode, time domain and frequency domain are all segmented PRB resource, not only improves the resource utilization under application-specific scene, too increases the quantity of the UE of scheduling; Thus save PDCCH expense when mass termination needs scheduling.Meanwhile, add new feedback mechanism in group scheduling, feedback result can corresponding multiple UE, thus also solves the limited problem of feedback resources.
See Fig. 7, embodiments provide a kind of network equipment, comprising: notification module 301, sending module 302 and transport module 303.
Notification module 301, relevant information for two dimension group informs each UE in described two-dimentional group, described two-dimentional group comprises at least two UE, the relevant information of described two dimension group is used to indicate the situation that described each UE takies the running time-frequency resource of this two dimension group, and the relevant information of described two dimension group comprises: the described common identifier Group-RNTI of two dimension group, the quantity of described two-dimentional Zu Nei group, the index of the group at described each UE place, the index of described each UE in described each UE place group;
Sending module 302, for sending the physical downlink control channel PDCCH of the running time-frequency resource being used to indicate described two dimension group to described each UE;
Transport module 303, carries out transfer of data on the running time-frequency resource of the two dimension group taken at described each UE with described each UE.
Notification module 301, sending module 302 and transport module 303 can be processors respectively.Described network equipment can be specifically base station eNB.
In the present embodiment, transport module 303, comprising:
First receiving element, for obtaining the uplink hybrid automatic repeat request HARQ feedback result of each UE according to the situation of the data receiving described each UE;
First acquiring unit, obtains uplink HARQ feedback final result for doing logic and operation to the uplink HARQ feedback result of whole each UE;
First transmitting element, for feeding back to described each UE by described uplink HARQ feedback final result on a Physical HARQ Indicator Channel PHICH channel.
Further, alternatively, in the present embodiment, transport module 303 comprises:
Second receiving element, for obtaining the uplink hybrid automatic repeat request HARQ feedback result of each UE according to the situation of the data receiving described each UE;
Second acquisition unit, obtains uplink HARQ feedback final result for doing logic and operation to the uplink HARQ feedback result of the whole UE in each group in two-dimentional group;
Second transmitting element, for feeding back to described each UE by described uplink HARQ feedback final result on a Physical HARQ Indicator Channel PHICH channel.
Alternatively, transport module 303, comprising:
3rd receiving element, for obtaining the uplink hybrid automatic repeat request HARQ feedback result of each UE according to the situation of the data receiving described each UE;
3rd transmitting element, for feeding back to each UE in described each group in a time multiplexed manner respectively on a Physical HARQ Indicator Channel PHICH channel by the uplink HARQ feedback result of the whole UE in each group in two-dimentional group.
Above-mentioned 8 unit can be the unit in processor respectively.
In the present embodiment, the relevant information of two dimension group is also used to indicate the situation that described each UE takies the feedback resources of two dimension group;
Then described equipment also comprises:
Receiver module, receives the descending HARQ feedback result of described each UE on the feedback resources of the two dimension group taken at described each UE.
Wherein receiver module can be processor.
Alternatively, transport module 303 in the present embodiment, also for:
When receiving the confirmation nack message of negative of UE feedback, the OFDM symbol quantity shared by packet that in the running time-frequency resource of the two dimension group taken according to a described UE, orthogonal frequency division multiplex OFDM symbol quantity and needing retransmits, obtains repetition factor;
Repeated encoding is carried out, to make the described running time-frequency resource needing the packet retransmitted fully to occupy the two dimension group that a described UE takies on the running time-frequency resource of the two dimension group that the described packet needing to retransmit takies at a described UE according to described repetition factor;
Transmit the described packet needing to retransmit.
The beneficial effect of device embodiment provided by the invention is: two-dimentional group scheduling mode, and time domain and frequency domain are all segmented PRB resource, not only improves the resource utilization under application-specific scene, too increases the quantity of the UE of scheduling; Thus save PDCCH expense when mass termination needs scheduling.
See Fig. 8, embodiments provide a kind of method transmitting data, comprising:
401: first user equipment UE receives the relevant information of the two dimension group that network equipment sends, described two-dimentional group comprises at least two UE, the relevant information each UE be used to indicate in two-dimentional group of described two dimension group takies the situation of the running time-frequency resource of this two dimension group, and the relevant information of described two dimension group comprises: the quantity of common identifier Group-RNTI, described two-dimentional Zu Nei group in described two dimension group, the index of the group at described each UE place, the index of described each UE in described each UE place group;
402: receive the physical downlink control channel PDCCH being used to indicate the running time-frequency resource of described two dimension group that described network equipment sends, know the running time-frequency resource of the two dimension group that a described UE takies according to the relevant information of described two dimension group;
403: the running time-frequency resource of the two dimension group taken at a UE with described network equipment carries out transfer of data.
The beneficial effect of device embodiment provided by the invention is: adopt two-dimentional group scheduling mode, time domain and frequency domain are all segmented PRB resource, not only improves the resource utilization under application-specific scene, too increases the quantity of the UE of scheduling; Thus save PDCCH expense when mass termination needs scheduling.
UE i.e. a current UE described in the embodiment of the present invention.Current UE can be the arbitrary UE in two-dimentional group.
See Fig. 9, embodiments provide a kind of method transmitting data, comprising:
501: subscriber equipment receives the relevant information of two dimension group that network equipment sends, receive that network equipment sends be used to indicate the PDCCH of the running time-frequency resource of described two dimension group after, know the running time-frequency resource shared by oneself according to the relevant information of two dimension group.
Preferably, in the present embodiment, as as described in above-described embodiment, UE assigns in two-dimentional group by network equipment, by the relevant information of this two dimension group of UE in each two-dimentional group of signaled, two dimension group comprises at least two UE, UE in the present embodiment can be the arbitrary UE in two-dimentional group, the relevant information each UE be used to indicate in two-dimentional group of described two dimension group takies the situation of the running time-frequency resource of this two dimension group, and the relevant information of described two dimension group comprises:: common identifier Group-RNTI in described two dimension group, the quantity of described two-dimentional Zu Nei group, the index of the group at described each UE place, the index of described each UE in described each UE place group.
In the present embodiment, subscriber equipment, after receiving schedule information, is known the running time-frequency resource shared by oneself according to the relevant information of described two dimension group, being comprised: on frequency domain, according to the quantity of described two-dimentional Zu Zhong group and the index of oneself place group, determine the Physical Resource Block PRB oneself taken; In time domain, according to oneself index in group, determine oneself to take first time slot or second time slot, thus know the running time-frequency resource shared by oneself.
In the present embodiment, it is used by a group that two-dimentional group scheduling information is used to indicate one section of running time-frequency resource, and the UE in group is according to group information by frequency-domain and time-domain resource mean allocation, and UE takies corresponding resource location according to the index position of oneself.In fact here also can by resource mean allocation, during group scheduling, the time-frequency location that in direct instruction group, each UE needs and size.Under this mode, can to distribute according to need different resource size and position for each UE, but need the amount of bits of instruction comparatively large, expense is larger.
502: the running time-frequency resource that subscriber equipment and network equipment take at this subscriber equipment carries out transfer of data.
Preferably, in the present embodiment, subscriber equipment and the running time-frequency resource of described network equipment shared by oneself carry out transfer of data, comprising: the descending HARQ feedback result reserved resource of row shared channel PUSCH physically sending described UE; If described PUSCH has transmitting uplink data, then on the part resource transmitting data, send the descending HARQ feedback result of described UE in reserved resource Central Plains; If described PUSCH does not have transmitting uplink data, the descending HARQ feedback result of described UE is carried out repeated encoding in described reserved resource, to make the descending HARQ feedback result of described UE fully occupy described reserved resource, and transmit the descending HARQ feedback result of described UE.
In the present embodiment, UE in one two-dimentional group is divided into after receiving schedule information by eNB, the running time-frequency resource shared by oneself is known according to the relevant information of two dimension group, and carry out reception and decoded data by the resource location of schedule information instruction, and according to up-downgoing timing of channels relation, feeding back ACK/NACK on the PUSCH channel of corresponding sub-frame of uplink.In the present embodiment, for two-dimentional group scheduling, the HARQ feedback of descending PDSCH data adopts preassignment, takies PUSCH group scheduling resource feedback.Wherein, descending PDSCH occurs in the n-th subframe, and feedback occurs in the n-th+4 subframe (FDD); Or descending PDSCH occurs in the n-th subframe, feedback occurs in the n-th+k subframe (TDD), gets different values during k corresponding tdd mode difference up-downgoing proportioning.
In the present embodiment, the HARQ feedback of descending PDSCH data adopts semi-persistent scheduling mode, the HARQ feedback resource of the descending PDSCH of predefine; The resource group scheduling of the similar PUSCH of distribution of resource, UE can identify each large group, and great Zu Nei group, the feedback resources that in group, UE takies respectively.Define descending group scheduling as long as semi-persistent scheduling mode refers to and carried out downlink data transmission, just on up PUSCH channel, reserving resource transmission feedback information by predefined mode, in the feedback of PUSCH channel downlink data.The mode of reserved resource is identical with the mode that above-mentioned two-dimentional group scheduling distributes PUSCH resource.When there being transmitting uplink data, there iing the position punching transferring ACK/NACK of data, when there is no transfer of data, since be assigned with PUSCH resource, just ACK/NACK information is repeated several times PUSCH resource to be filled up, the accurate transmissibility of PUSCH feedback information can be improved like this, can ensure that again the resource that PUSCH distributes is not wasted.
Alternatively, in the present embodiment, the relevant information of described two dimension group is also used to indicate the situation that described each UE takies the feedback resources of two dimension group; UE knows the feedback resources of the two dimension group that described UE takies according to the relevant information of described two dimension group, and the feedback resources of the two dimension group taken at described UE sends the descending HARQ feedback result of described UE.
Further, alternatively, transfer of data is carried out with on the transfer resource of described network equipment shared by oneself, comprise: when receiving the confirmation nack message of negative of described network equipment feedback, the OFDM symbol quantity shared by packet that orthogonal frequency division multiplex OFDM symbol quantity in the running time-frequency resource of the two dimension group taken according to described UE and needing retransmits, obtains repetition factor; Repeated encoding is carried out, to make the described running time-frequency resource needing the packet retransmitted fully to occupy the two dimension group that described UE takies on the running time-frequency resource of the two dimension group that the described packet needing to retransmit takies at described UE according to described repetition factor; Transmit the described packet needing to retransmit.
The group scheduling that the present embodiment proposes and feedback scheme are suitable for the initial transmission of semi-persistent scheduling.When feedback result is NACK, the data sent before eNB or UE will retransmit.The probability occurred due to the re-transmission of UE in group is relatively low, and in group, UE re-transmission situation does not have specific rule, therefore still adopts a PDCCH to dispatch a UE for re-transmission.But for the UE that packet is less, when continuing to use one dimension scheduling mode, the OFDM symbol that time dimension is distributed to UE is cannotd be used up, and causes the wasting of resources.In this programme, for the small data packet retransmitted, definition repetition factor F, the OFDM symbol Q shared by the packet that quantity P and the UE of the OFDM symbol of Resourse Distribute retransmit determines, F=floor (P/Q), floor () is for round downwards.UE maps according to repetition factor when resource mapping in time domain, namely to needing the packet retransmitted to carry out repeated encoding according to repetition factor, fully occupies transfer resource shared by oneself to make described packet; Then the described data needing to retransmit are transmitted.
In embodiments of the present invention, the HARQ feedback about the descending PDSCH of group scheduling also can adopt the mode of FDM+TDM (frequency division multiplexing+time division multiplexing), is similar to the HARQ feedback of up PUSCH; The HACK feedback resources that each group is corresponding different, i.e. PUCCH channel; In each group, the HARQ feedback of different UEs adopts TDM, and detail, with the HARQ feedback of up PUSCH, repeats no more this at this present embodiment.
The beneficial effect of embodiment of the method provided by the invention is: adopt two-dimentional group scheduling mode, time domain and frequency domain are all segmented PRB resource, not only improves the resource utilization under application-specific scene, too increases the quantity of the UE of scheduling; Thus save PDCCH expense when mass termination needs scheduling.Meanwhile, add new feedback mechanism in group scheduling, feedback result can corresponding multiple UE, thus also solves the limited problem of feedback resources.
See Figure 10, embodiments provide a kind of first user equipment, comprising: receiver module 601, know module 602 and transport module 603.
Receiver module 601, for receiving the relevant information of the two dimension group that network equipment sends, described two-dimentional group comprises at least two user equipment (UE)s, the relevant information each UE be used to indicate in two-dimentional group of described two dimension group takies the situation of the running time-frequency resource of this two dimension group, and the relevant information of described two dimension group comprises: the quantity of common identifier Group-RNTI, described two-dimentional Zu Nei group in described two dimension group, the index of the group at described each UE place, the index of described each UE in described each UE place group;
Knowing module 602, for receiving the physical downlink control channel PDCCH being used to indicate the running time-frequency resource of described two dimension group that described network equipment sends, knowing the running time-frequency resource of the two dimension group shared by first user equipment according to the relevant information of described two dimension group;
Transport module 603, for carrying out transfer of data with described network equipment on the running time-frequency resource of the two dimension group shared by first user equipment.
Receiver module 601, know that module 602 and transport module 603 can be processors respectively.The subscriber equipment of the present embodiment can be each Terminal Type including but not limited to mobile phone, kneetop computer and panel computer.
Preferably, know module 602, specifically for:
On frequency domain, according to the quantity of described two-dimentional Zu Zhong group and the index of described UE place group, determine the Physical Resource Block PRB that described UE takies;
In time domain, according to the index of described UE in group, determine that described UE takies first time slot or second time slot, thus know the running time-frequency resource shared by oneself.
Alternatively, the relevant information of described two dimension group is also used to indicate the situation that described each UE takies the feedback resources of two dimension group;
Then described equipment also comprises:
Feedback module, for knowing the feedback resources of the two dimension group that described UE takies according to the relevant information of described two dimension group, and the feedback resources of the two dimension group taken at described UE sends the descending HARQ feedback result of described UE.
Wherein feedback module can be processor.
Preferably, transport module 603 in the present embodiment, specifically for:
The reserved resource of row shared channel PUSCH physically sends the descending HARQ feedback result of described UE;
If described PUSCH has transmitting uplink data, then on the part resource transmitting data, send the descending HARQ feedback result of described UE in reserved resource Central Plains;
If described PUSCH does not have transmitting uplink data, the descending HARQ feedback result of described UE is carried out repeated encoding in described reserved resource, to make the descending HARQ feedback result of described UE fully occupy described reserved resource, and transmit the descending HARQ feedback result of described UE.
Alternatively, transport module 603, also for:
When receiving the confirmation nack message of negative of described network equipment feedback, the OFDM symbol quantity shared by packet that orthogonal frequency division multiplex OFDM symbol quantity in the running time-frequency resource of the two dimension group taken according to described UE and needing retransmits, obtains repetition factor;
Repeated encoding is carried out, to make the described running time-frequency resource needing the packet retransmitted fully to occupy the two dimension group that described UE takies on the running time-frequency resource of the two dimension group that the described packet needing to retransmit takies at described UE according to described repetition factor;
Transmit the described packet needing to retransmit.
The embodiment of the present invention additionally provides a kind of system transmitting data, comprising: network equipment 300 as above and first user equipment 400 as above.
The beneficial effect of device embodiment provided by the invention is: adopt two-dimentional group scheduling mode, time domain and frequency domain are all segmented PRB resource, not only improves the resource utilization under application-specific scene, too increases the quantity of the UE of scheduling; Thus save PDCCH expense when mass termination needs scheduling.
The device that the present embodiment provides and system, belong to same design with embodiment of the method, and its specific implementation process refers to embodiment of the method, repeats no more here.
One of ordinary skill in the art will appreciate that all or part of step realizing above-described embodiment can have been come by hardware, the hardware that also can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium mentioned can be read-only memory, disk or CD etc.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (22)

1. transmit a method for data, it is characterized in that, described method comprises:
The relevant information of two dimension group is informed each UE in described two-dimentional group, described two-dimentional group comprises at least two UE, the relevant information of described two dimension group is used to indicate the situation that described each UE takies the running time-frequency resource of this two dimension group, and the relevant information of described two dimension group comprises: the described common identifier Group-RNTI of two dimension group, the quantity of described two-dimentional Zu Nei group, the index of the group at described each UE place, the index of described each UE in described each UE place group;
The physical downlink control channel PDCCH of the running time-frequency resource being used to indicate described two dimension group is sent to described each UE;
The running time-frequency resource of the two dimension group taken at described each UE with described each UE carries out transfer of data.
2. method according to claim 1, is characterized in that, the running time-frequency resource of the two dimension group that described and each UE takies at described each UE carries out transfer of data, comprising:
The uplink hybrid automatic repeat request HARQ feedback result of each UE is obtained according to the situation of the data receiving described each UE;
Logic and operation is done to the uplink HARQ feedback result of whole each UE and obtains uplink HARQ feedback final result;
Described uplink HARQ feedback final result is fed back to described each UE on a Physical HARQ Indicator Channel PHICH channel.
3. method according to claim 1, is characterized in that, the running time-frequency resource of the two dimension group that described and each UE takies at described each UE carries out transfer of data, comprising:
The uplink hybrid automatic repeat request HARQ feedback result of each UE is obtained according to the situation of the data receiving described each UE;
Logic and operation is done to the uplink HARQ feedback result of the whole UE in each group in two-dimentional group and obtains uplink HARQ feedback final result;
Described uplink HARQ feedback final result is fed back to described each UE on a Physical HARQ Indicator Channel PHICH channel.
4. method according to claim 1, is characterized in that, the running time-frequency resource of the two dimension group that described and each UE takies at described each UE carries out transfer of data and comprises:
The uplink hybrid automatic repeat request HARQ feedback result of each UE is obtained according to the situation of the data receiving described each UE;
The uplink HARQ feedback result of the whole UE in each group in two-dimentional group is fed back on a Physical HARQ Indicator Channel PHICH channel each UE in described each group in a time multiplexed manner respectively.
5. the method according to any one of claim 1-4, is characterized in that, the relevant information of described two dimension group is also used to indicate the situation that described each UE takies the feedback resources of two dimension group;
Then described method also comprises:
The feedback resources of the two dimension group taken at described each UE receives the descending HARQ feedback result of described each UE.
6. the method according to any one of claim 1-4, is characterized in that, the running time-frequency resource of the two dimension group that described and described each UE takies at described each UE carries out transfer of data, comprising:
When receiving the confirmation nack message of negative of UE feedback, the OFDM symbol quantity shared by packet that in the running time-frequency resource of the two dimension group taken according to a described UE, orthogonal frequency division multiplex OFDM symbol quantity and needing retransmits, obtains repetition factor;
Repeated encoding is carried out, to make the described running time-frequency resource needing the packet retransmitted fully to occupy the two dimension group that a described UE takies on the running time-frequency resource of the two dimension group that the described packet needing to retransmit takies at a described UE according to described repetition factor;
Transmit the described packet needing to retransmit.
7. a network equipment, is characterized in that, described equipment comprises:
Notification module, for the relevant information of two dimension group being informed each UE in described two-dimentional group, described two-dimentional group comprises at least two UE, the relevant information of described two dimension group is used to indicate the situation that described each UE takies the running time-frequency resource of this two dimension group, and the relevant information of described two dimension group comprises: the described common identifier Group-RNTI of two dimension group, the quantity of described two-dimentional Zu Nei group, the index of the group at described each UE place, the index of described each UE in described each UE place group;
Sending module, for sending the physical downlink control channel PDCCH of the running time-frequency resource being used to indicate described two dimension group to described each UE;
Transport module, carries out transfer of data on the running time-frequency resource of the two dimension group taken at described each UE with described each UE.
8. equipment according to claim 7, is characterized in that, described transport module, comprising:
First receiving element, for obtaining the uplink hybrid automatic repeat request HARQ feedback result of each UE according to the situation of the data receiving described each UE;
First acquiring unit, obtains uplink HARQ feedback final result for doing logic and operation to the uplink HARQ feedback result of whole each UE;
First transmitting element, for feeding back to described each UE by described uplink HARQ feedback final result on a Physical HARQ Indicator Channel PHICH channel.
9. equipment according to claim 7, is characterized in that, described transport module, comprising:
Second receiving element, for obtaining the uplink hybrid automatic repeat request HARQ feedback result of each UE according to the situation of the data receiving described each UE;
Second acquisition unit, obtains uplink HARQ feedback final result for doing logic and operation to the uplink HARQ feedback result of the whole UE in each group in two-dimentional group;
Second transmitting element, for feeding back to described each UE by described uplink HARQ feedback final result on a Physical HARQ Indicator Channel PHICH channel.
10. equipment according to claim 7, is characterized in that, described transport module, comprising:
3rd receiving element, for obtaining the uplink hybrid automatic repeat request HARQ feedback result of each UE according to the situation of the data receiving described each UE;
3rd transmitting element, for feeding back to each UE in described each group in a time multiplexed manner respectively on a Physical HARQ Indicator Channel PHICH channel by the uplink HARQ feedback result of the whole UE in each group in two-dimentional group.
11. equipment according to any one of claim 7-10, is characterized in that, the relevant information of described two dimension group is also used to indicate the situation that described each UE takies the feedback resources of two dimension group;
Then described equipment also comprises:
Receiver module, receives the descending HARQ feedback result of described each UE on the feedback resources of the two dimension group taken at described each UE.
12. equipment according to any one of claim 7-10, is characterized in that, described transport module, also for:
When receiving the confirmation nack message of negative of UE feedback, the OFDM symbol quantity shared by packet that in the running time-frequency resource of the two dimension group taken according to a described UE, orthogonal frequency division multiplex OFDM symbol quantity and needing retransmits, obtains repetition factor;
Repeated encoding is carried out, to make the described running time-frequency resource needing the packet retransmitted fully to occupy the two dimension group that a described UE takies on the running time-frequency resource of the two dimension group that the described packet needing to retransmit takies at a described UE according to described repetition factor;
Transmit the described packet needing to retransmit.
13. 1 kinds of methods transmitting data, it is characterized in that, described method comprises:
First user equipment UE receives the relevant information of the two dimension group that network equipment sends, described two-dimentional group comprises at least two UE, the relevant information each UE be used to indicate in two-dimentional group of described two dimension group takies the situation of the running time-frequency resource of this two dimension group, and the relevant information of described two dimension group comprises: the quantity of common identifier Group-RNTI, described two-dimentional Zu Nei group in described two dimension group, the index of the group at described each UE place, the index of described each UE in described each UE place group;
Receive the physical downlink control channel PDCCH being used to indicate the running time-frequency resource of described two dimension group that described network equipment sends, know the running time-frequency resource of the two dimension group that a described UE takies according to the relevant information of described two dimension group;
The running time-frequency resource of the two dimension group taken at a described UE with described network equipment carries out transfer of data.
14. methods according to claim 13, is characterized in that, the described relevant information according to described two dimension group knows the running time-frequency resource of the two dimension group that a described UE takies, and comprising:
On frequency domain, according to the quantity of described two-dimentional Zu Zhong group and the index of a described UE place group, determine the Physical Resource Block PRB that a described UE takies;
In time domain, according to the index of a described UE in group, determine that a described UE takies first time slot or second time slot.
15. methods according to claim 13 or 14, is characterized in that, the relevant information of described two dimension group is also used to indicate the situation that described each UE takies the feedback resources of two dimension group;
Then described method also comprises:
Relevant information according to described two dimension group knows the feedback resources of the two dimension group that a described UE takies, and the feedback resources of the two dimension group taken at a described UE sends the descending HARQ feedback result of a described UE.
16. methods according to claim 13 or 14, is characterized in that, the running time-frequency resource of the two dimension group that described and described network equipment takies at a described UE carries out transfer of data, comprising:
The reserved resource of row shared channel PUSCH physically sends the descending HARQ feedback result of a described UE;
If described PUSCH has transmitting uplink data, then on the part resource transmitting data, send the descending HARQ feedback result of a described UE in reserved resource Central Plains;
If described PUSCH does not have transmitting uplink data, the descending HARQ feedback result of a described UE is carried out repeated encoding in described reserved resource, to make the descending HARQ feedback result of a described UE fully occupy described reserved resource, and transmit the descending HARQ feedback result of a described UE.
17. methods according to claim 13 or 14, is characterized in that, the running time-frequency resource of the two dimension group that described and described network equipment takies at a described UE carries out transfer of data, comprising:
When receiving the confirmation nack message of negative of described network equipment feedback, the OFDM symbol quantity shared by packet that orthogonal frequency division multiplex OFDM symbol quantity in the running time-frequency resource of the two dimension group taken according to a described UE and needing retransmits, obtains repetition factor;
Repeated encoding is carried out, to make the described running time-frequency resource needing the packet retransmitted fully to occupy the two dimension group that a described UE takies on the running time-frequency resource of the two dimension group that the described packet needing to retransmit takies at a described UE according to described repetition factor;
Transmit the described packet needing to retransmit.
18. 1 kinds of first user equipment UE, is characterized in that, described first user equipment comprises:
Receiver module, for receiving the relevant information of the two dimension group that network equipment sends, described two-dimentional group comprises at least two user equipment (UE)s, the relevant information each UE be used to indicate in two-dimentional group of described two dimension group takies the situation of the running time-frequency resource of this two dimension group, and the relevant information of described two dimension group comprises: the quantity of common identifier Group-RNTI, described two-dimentional Zu Nei group in described two dimension group, the index of the group at described each UE place, the index of described each UE in described each UE place group;
Knowing module, for receiving the physical downlink control channel PDCCH being used to indicate the running time-frequency resource of described two dimension group that described network equipment sends, knowing the running time-frequency resource of the two dimension group shared by a UE according to the relevant information of described two dimension group;
Transport module, carries out transfer of data on the running time-frequency resource of the two dimension group taken at a described UE with described network equipment.
19. equipment according to claim 18, is characterized in that, described in know module, specifically for:
On frequency domain, according to the quantity of described two-dimentional Zu Zhong group and the index of a described UE place group, determine the Physical Resource Block PRB that a described UE takies;
In time domain, according to the index of a described UE in group, determine that a described UE takies first time slot or second time slot, thus know the running time-frequency resource shared by a described UE.
20. equipment according to claim 18 or 19, is characterized in that, the relevant information of described two dimension group is also used to indicate the situation that described each UE takies the feedback resources of two dimension group;
Then described equipment also comprises:
Feedback module, for knowing the feedback resources of the two dimension group that a described UE takies according to the relevant information of described two dimension group, and the feedback resources of the two dimension group taken at a described UE sends the descending HARQ feedback result of a described UE.
21. equipment according to claim 18 or 19, is characterized in that, described transport module, specifically for:
The reserved resource of row shared channel PUSCH physically sends the descending HARQ feedback result of a described UE;
If described PUSCH has transmitting uplink data, then on the part resource transmitting data, send the descending HARQ feedback result of a described UE in reserved resource Central Plains;
If described PUSCH does not have transmitting uplink data, the descending HARQ feedback result of a described UE is carried out repeated encoding in described reserved resource, to make the descending HARQ feedback result of a described UE fully occupy described reserved resource, and transmit the descending HARQ feedback result of a described UE.
22. equipment according to claim 18 or 19, is characterized in that, described transport module, also for:
When receiving the confirmation nack message of negative of described network equipment feedback, the OFDM symbol quantity shared by packet that orthogonal frequency division multiplex OFDM symbol quantity in the running time-frequency resource of the two dimension group taken according to a described UE and needing retransmits, obtains repetition factor;
Repeated encoding is carried out, to make the described running time-frequency resource needing the packet retransmitted fully to occupy the two dimension group that a described UE takies on the running time-frequency resource of the two dimension group that the described packet needing to retransmit takies at a described UE according to described repetition factor;
Transmit the described packet needing to retransmit.
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