CN104427550A - Method and apparatus for transmitting uplink data in a business flow self-adaption system - Google Patents

Method and apparatus for transmitting uplink data in a business flow self-adaption system Download PDF

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Publication number
CN104427550A
CN104427550A CN201310373238.4A CN201310373238A CN104427550A CN 104427550 A CN104427550 A CN 104427550A CN 201310373238 A CN201310373238 A CN 201310373238A CN 104427550 A CN104427550 A CN 104427550A
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China
Prior art keywords
dai
uplink
frame
pusch
index
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CN201310373238.4A
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赵铮
李迎阳
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Beijing Samsung Telecom R&D Center
Beijing Samsung Telecommunications Technology Research Co Ltd
Samsung Electronics Co Ltd
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Beijing Samsung Telecommunications Technology Research Co Ltd
Samsung Electronics Co Ltd
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Priority to CN201310373238.4A priority Critical patent/CN104427550A/en
Publication of CN104427550A publication Critical patent/CN104427550A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network

Abstract

The application discloses a method and an apparatus for transmitting uplink data in a business flow self-adaption system, the method comprising: receiving, by a UE, a PDCCH dispatching a PUSCH, and obtaining a reference uplink and downlink configuration followed by an HARQ process of the uplink data; determining, by the UE, an UL DAI and an UL Index in accordance with a UL Index/UL DAI domain in the PDCCH dispatching the PUSCH; determining, by the UE, in accordance with the UL Index, an uplink subframe that the dispatched PUSCH locates, and determining, in accordace with the UL DAI, HARQ-ACK information bit number on the PUSCH, and transmitting the PUSCH on a corresponding uplink subframe. The application further discloses an apparatus. The application of the technical solution of the invention enables the UE to obtain correctly values of the UL Index and the UL DAI, without requiring any additional resource, and the technical solution of the invention encodes efficiently to save channel resources, and also utilizes efficiently the uplink bandwidth to improve performance of the system.

Description

The method and apparatus of transmitting uplink data in service traffics Adaptable System
Technical field
The present invention relates to wireless communication technology field, relate to the method and apparatus of transmitting uplink data in service traffics Adaptable System in particular.
Background technology
Long Term Evolution (LTE, Long Term Evolution) technical support Frequency Division Duplexing (FDD) (FDD, FrequencyDivision Duplexing) and TDD two kinds of duplex modes.Fig. 1 is the frame structure schematic diagram of the TDD system of LTE.The length of each radio frames is 10 milliseconds (ms); being divided into two length is the field of 5ms; each field comprises 3 special domain that time slot that 8 length are 0.5ms and total length are 1ms; 3 special domain are respectively descending pilot frequency time slot (DwPTS; Downlink pilot time slot), protection interval (GP; Guardperiod) and uplink pilot time slot (UpPTS, Uplink pilot time slot), each subframe is made up of two continuous print time slots.
Transmission in TDD system comprises: by base station to the transmission (being called descending) of subscriber equipment (UE, User Equipment) with by the transmission (be called up) of UE to base station.Based on the frame structure shown in Fig. 1, in every 10ms time uplink and downlink share 10 subframes, each subframe or configuration to up or configuration to descending, by configuration be called sub-frame of uplink to up subframe, by configuration be called descending sub frame to descending subframe.Support 7 kinds of upstream and downstream configurations in TDD system, as shown in table 1, D represents descending sub frame, and U represents sub-frame of uplink, and S represents the above-mentioned special subframe comprising 3 special domain.
Table 1
In order to improve the transmission rate of user, propose enhancing (LTE-A) technology of LTE.LTE-A TDD system and LTE have identical HARQ(Hybrid Automatic Repeat Request) transmit timing, it comprises the HARQ procedure of downlink data and the HARQ procedure of upstream data.
In the HARQ procedure of upstream data, base station is by sending PDCCH(Physical DownlinkControl Channel to UE) realize PUSCH(Physical Uplink Shared Channel) scheduling of resource, after UE receives PDCCH, according to the timing relationship of PDCCH to PUSCH, at the PUSCH channel upstream data that this PDCCH specifies.
To the timing relationship of PDCCH to PUSCH, i.e. the timing relationship of PUSCH scheduling, supposes that UE receives PDCCH at descending sub frame n, then this PDCCH controls the PUSCH in sub-frame of uplink n+k.Here the value of k defines in table 2.Specifically, concerning upstream and downstream configuration 1 ~ 6, the quantity of sub-frame of uplink is less than descending sub frame, unique HARQ transmission timing can be configured, reflection in table 2, can not be dispatched PUSCH in a descending sub frame, or can only dispatch the PUSCH in a sub-frame of uplink; Concerning upstream and downstream configuration 0, the quantity of sub-frame of uplink is greater than descending sub frame, the PDCCH of each descending sub frame needs the PUSCH that can dispatch in two sub-frame of uplink, for this reason, supports the PUSCH in scheduling two sub-frame of uplink in PDCCH use line order number (UL Index) technology.
Table 2
In uplink-downlink configuration 0, in the PDCCH of scheduling PUSCH, UL Index indicates three kinds of scheduling, wherein two kinds is the PUSCH in the single subframe of scheduling, in single subframe, PUSCH scheduling only has a bit indicated by 1 by two bits of UL Index, another once dispatches PUSCH in two subframes, is all 1 instruction by two bits of ULIndex.As Fig. 2, when UE receives PDCCH at descending sub frame 0, when the MSB of UL Index is " 1 ", its scheduling be PUSCH in sub-frame of uplink 4, when the LSB of UL Index is " 1 ", its scheduling be PUSCH in sub-frame of uplink 7, when MSB and LSB of UL Index is " 1 ", its scheduling be PUSCH in sub-frame of uplink 4 and sub-frame of uplink 7; When UE receives PDCCH at descending sub frame 1, when the MSB of UL Index is " 1 ", its scheduling be PUSCH in sub-frame of uplink 7, when the LSB of UL Index is " 1 ", its scheduling be PUSCH in sub-frame of uplink 8, when MSB and LSB of UL Index is " 1 ", its scheduling be PUSCH in sub-frame of uplink 7 and sub-frame of uplink 8.
In the HARQ procedure of downlink data, base station sends PDSCH(Physical Downlink SharedChannel to UE), after UE receives PDSCH, according to the timing relationship of PDSCH to PUSCH/PUCCH, at PUSCH or PUCCH(Physical Uplink Control Channel) the upper HARQ-ACK (ACKnowledgment) feeding back PDSCH.
For the timing relationship of PDSCH to PUSCH/PUCCH, namely PDSCH feeds back HARQ-ACK timing relationship, suppose that UE feeds back HARQ-ACK at the PUCCH/PUSCH of sub-frame of uplink n, then this PUCCH/PUSCH indicates the HARQ-ACK information of the PDSCH in descending sub frame n-k or the HARQ-ACK information of SPS release.Here the value of k ∈ K defines in table 3, and K is M element { k 0, k 1..., k m-1set, relevant with subframe sequence number and uplink-downlink configuration, be called as descending relation integration (Downlinkassociation set), element k is called as descending association sequence number.In the present invention by descending sub frame set corresponding for descending relation integration referred to as bundled window (Bundling Window), namely for all elements k in K, the set be made up of n-k is called bundled window, { n-k, k ∈ K}, bundled window interior element number is bundled window size.
Table 3
Concerning upstream and downstream configuration 1 ~ 6, the quantity of sub-frame of uplink is less than or equal to descending sub frame, and so sub-frame of uplink can feed back the HARQ-ACK of multiple descending sub frame PDSCH.During the PUSCH of each dispatching uplink subframe, descending sub frame number corresponding to the HARQ-ACK of this sub-frame of uplink feedback in PDCCH with UL DAI(Uplink Downlink Assignment Index) instruction.After UE knows UL DAI information, in a more effective manner, the HARQ-ACK for PDSCH carries out PUSCH coding.UL DAI and UL Index are corresponding identical territory, comprise two bits, when the HARQ procedure of uplink/downlink data follows the sequential of uplink-downlink configuration 0, two bits in this territory are used as UL Index, when the HARQ procedure of uplink/downlink data follows the sequential of uplink-downlink configuration 1 ~ 6, two bits in this territory are used as UL DAI.
Along with user is to the raising of data transmission rates demands, in the discussion of LTE more highest version, there has been proposed the adaptive TDD technology of service traffics, by the ratio of dynamic conditioning sub-frame of uplink and descending sub frame, make current uplink-downlink configuration more meet the ratio of current upstream traffic and downlink traffic, thus improve the up-downgoing peak rate of user and the throughput of system.
According to the current discussion for service traffics Adaptable System, the HARQ procedure of upstream data and the HARQ procedure of downlink data may follow different uplink-downlink configuration, as in the HARQ procedure of upstream data, the scheduling timing relation of PUSCH follows the timing of uplink-downlink configuration 0, in the HARQ procedure of downlink data, PDSCH to PUSCH/PUCCH timing relationship follows the timing of uplink-downlink configuration 2, so UE had both needed the value knowing UL Index, also the value knowing UL DAI is needed, but according to existing standard, dispatch the ULIndex/UL DAI territory in the PDCCH of PUSCH or indicate UL Index, instruction UL DAI, UL Index and UL DAI can not be indicated simultaneously.Due to UL Index instruction is the position of dispatching subframe, and can not lack, thus the information of UL DAI just cannot pass to UE.If UE does not know the value of UL DAI, so, PUSCH carries out coding to HARQ-ACK and just can only encode according to the maximum possible value of UL-DAI, this will cause the wasting of resources.
Summary of the invention
This application provides the method and apparatus of transmitting uplink data in a kind of service traffics Adaptable System, not need, under the prerequisite increasing extra resource, to notify the value of UE UL Index and UL DAI exactly, thus make UE effectively encode, save channel resource, improve the performance of system.
The method of a kind of transmitting uplink data that the application provides, be applicable to service traffics Adaptable System, the method comprises:
The PDCCH of A, UE receiving scheduling PUSCH, and the reference uplink-downlink configuration obtaining that upstream data HARQ procedure follows;
B, UE, according to the ULIndex/UL DAI territory in the PDCCH of scheduling PUSCH, determine UL DAI and UL Index;
C, UE determine according to UL Index the PUSCH place sub-frame of uplink that is scheduled, and determine the HARQ-ACK information bit on PUSCH according to UL DAI, send PUSCH at corresponding sub-frame of uplink.
Preferably, described B comprises:
If the reference uplink-downlink configuration that upstream data HARQ procedure is followed is uplink-downlink configuration 0, UE obtains the information of the PUSCH place sub-frame of uplink sequence number that is scheduled according to a bit in two bits in described UL Index/UL DAI territory, and obtains the information of UL DAI according to another bit;
If the reference uplink-downlink configuration that upstream data HARQ procedure is followed is two the bit determination UL DAIs of uplink-downlink configuration 1 ~ 6, UE according to described ULIndex/UL DAI territory.
Preferably, described UE obtains the information of the PUSCH place sub-frame of uplink sequence number that is scheduled according to a bit in two bits in described UL Index/UL DAI territory, and comprises according to the information of another bit acquisition UL DAI:
Obtain the information of the PUSCH place sub-frame of uplink sequence number that is scheduled according to the MSB in described UL Index/UL DAI territory, and obtain the upper limit of UL DAI according to the LSB in described UL Index/UL DAI territory.
Preferably, the information obtaining the PUSCH place sub-frame of uplink sequence number that is scheduled according to the MSB in described UL Index/UL DAI territory comprises: when the MSB in UL Index/UL DAI territory is 1, determine that the PUSCH in sub-frame of uplink n+k is scheduled, when the MSB in UL Index/UL DAI territory is 0, determine that the PUSCH in sub-frame of uplink n+7 is scheduled, wherein, n is the sequence number of described PDCCH place descending sub frame, determines the value of k according to table 5:
Table 5
The upper limit obtaining UL DAI according to the LSB in described UL Index/UL DAI territory comprises: when the LSB in UL Index/ULDAI territory is 0, the upper limit of UL DAI is floor (M/2), when the LSB in UL Index/UL DAI territory is 1, the upper limit of UL DAI is M; Wherein, M is the bundled window size of PUSCH place sub-frame of uplink of being scheduled, and floor () represents and rounds downwards.
Preferably, described B comprises:
If the reference uplink-downlink configuration that upstream data HARQ procedure is followed is the sequence number of uplink-downlink configuration 0, UE according to the PDCCH place descending sub frame of scheduling PUSCH, determine the UL DAI corresponding to UL Index/UL DAI territory in described PDCCH;
If the reference uplink-downlink configuration that upstream data HARQ procedure is followed is two the bit determination UL DAIs of uplink-downlink configuration 1 ~ 6, UE according to described ULIndex/UL DAI territory.
Preferably, described UE, according to the sequence number of the PDCCH place descending sub frame of scheduling PUSCH, determines that the UL DAI corresponding to UL Index/UL DAI territory in described PDCCH comprises:
Obtain the information of the PUSCH place sub-frame of uplink sequence number that is scheduled according to the MSB in described UL Index/UL DAI territory, and obtain UL DAI according to the LSB in described UL Index/UL DAI territory; Wherein, the LSB that different descending sub frame dispatches UL Index/UL DAI territory in the PDCCH of same sub-frame of uplink PUSCH indicates the value of different ULDAI respectively.
Preferably, the information obtaining the PUSCH place sub-frame of uplink sequence number that is scheduled according to the MSB in described UL Index/UL DAI territory comprises: when the MSB in UL Index/UL DAI territory is 1, determine that the PUSCH in sub-frame of uplink n+k is scheduled, when the MSB in UL Index/UL DAI territory is 0, determine that the PUSCH in sub-frame of uplink n+7 is scheduled, wherein, n is the sequence number of described PDCCH place descending sub frame, determines the value of k according to table 5:
Table 5
Obtain UL DAI according to the LSB in described UL Index/UL DAI territory to comprise: if mod is (n, 5) and MSB be not 0, determine the value of UL DAI according to table 8, if mod (n, 5) and MSB be 0, determine the value of UL DAI according to table 9:
Table 8
Table 9
。
Preferably, the information obtaining the PUSCH place sub-frame of uplink sequence number that is scheduled according to the MSB in described UL Index/UL DAI territory comprises: when the MSB in UL Index/UL DAI territory is 1, determine that the PUSCH in sub-frame of uplink n+k is scheduled, when the MSB in UL Index/UL DAI territory is 0, determine that the PUSCH in sub-frame of uplink n+7 is scheduled, wherein, n is the sequence number of described PDCCH place descending sub frame, determines the value of k according to table 5:
Table 5
Obtain UL DAI according to the LSB in described UL Index/UL DAI territory to comprise: if n=0 or 5 and MSB=" 0 ", determine the value of UL DAI according to table 10, as n=1 or 6, and as n=0 or 5, and time MSB=" 1 ", determine the value of UL DAI according to table 11:
Table 10
Table 11
。
Preferably, described B comprises:
If the reference uplink-downlink configuration that upstream data HARQ procedure is followed is uplink-downlink configuration 0, UE determines to be scheduled according to the sequence number of PDCCH place descending sub frame the sequence number of PUSCH place sub-frame of uplink, and according to two bit determination UL DAI in described ULIndex/UL DAI territory.
Preferably, UE comprises according to the sequence number of PDCCH place descending sub frame determine the to be scheduled sequence number of PUSCH place sub-frame of uplink:
As the sequence number n=1 or 6 of PDCCH place descending sub frame, determine that the PUSCH in sub-frame of uplink n+7 is scheduled, two bit instruction UL DAI in ULIndex/UL DAI territory, two bit values are identical with existing standard with the corresponding relation of UL DAI;
As n=0 or 5, obtain the information of the PUSCH place sub-frame of uplink sequence number that is scheduled according to a bit in two bits in described UL Index/UL DAI territory, and obtain the information of UL DAI according to another bit; Or as n=0 or 5, three of UL Index/UL DAI territory are worth corresponding identical sub-frame of uplink, another value another sub-frame of uplink corresponding in UL Index/UL DAI territory, three values of corresponding identical sub-frame of uplink correspond respectively to different ULDAI.
Present invention also provides a kind of equipment, comprising: receiver module, data obtaining module and transport module, wherein:
Described receiver module, for the PDCCH of receiving scheduling PUSCH, and obtains the reference uplink-downlink configuration that upstream data HARQ procedure follows;
Described data obtaining module, for according to the ULIndex/UL DAI territory in the PDCCH of scheduling PUSCH, determines UL DAI and UL Index;
Described transport module, for determining according to UL Index the PUSCH place sub-frame of uplink that is scheduled, and determines the HARQ-ACK information bit on PUSCH according to UL DAI, and for sending PUSCH at corresponding sub-frame of uplink.
This application provides the method and apparatus of transmitting uplink data in a kind of service traffics Adaptable System, the PDCCH of UE receiving scheduling PUSCH, and obtain the reference uplink-downlink configuration that upstream data HARQ procedure follows, then according to the ULIndex/UL DAI territory in the PDCCH of scheduling PUSCH, determine UL DAI and ULIndex, and determine according to UL Index the PUSCH place sub-frame of uplink that is scheduled, the HARQ-ACK information bit on PUSCH is determined according to UL DAI, finally send PUSCH at corresponding sub-frame of uplink, achieve and do not needing under the prerequisite increasing extra resource, UE is made to know the value of UL Index and UL DAI exactly, thus UE is encoded effectively, save channel resource, efficiently utilize upstream bandwidth, improve the performance of system.
Accompanying drawing explanation
Fig. 1 is the frame structure schematic diagram of LTE TDD;
Fig. 2 is the sequential chart of the PDCCH scheduling PUSCH of TDD uplink-downlink configuration 0;
Fig. 3 is the flow chart of uplink data transmission method in the better service traffics Adaptable System of the application one;
Fig. 4 is the exemplary plot of the embodiment of the present application two;
Fig. 5 is the composition structural representation of the better equipment of the application one.
Embodiment
In service traffics Adaptable System, when the HARQ procedure of upstream data and downlink data follows different uplink-downlink configuration, UL DAI or UL Index information may lack.For this problem, present applicant proposes the technical scheme of UL Index and UL DAI message notice, this technical scheme does not need to increase extra resource, can notify the value of UE UL Index and UL DAI exactly, thus UE is encoded effectively, to save channel resource.
Fig. 3 is the flow chart of uplink data transmission method in the better service traffics Adaptable System of the application one, comprises the following steps:
The PDCCH of step 301:UE receiving scheduling PUSCH, and the reference uplink-downlink configuration obtaining that upstream data HARQ procedure follows.
The uplink-downlink configuration that downlink data HARQ procedure is followed can also be obtained in this step further, and comprise other physical layer signaling of in fact downstream arrangements information.
Step 302:UE, according to the ULIndex/UL DAI territory in the PDCCH of scheduling PUSCH, determines UL DAI and UL Index.
In existing standard, if PUSCH scheduling timing follows uplink-downlink configuration 0, the PDCCH of each descending sub frame can dispatch the PUSCH in two sub-frame of uplink simultaneously, and when in PDCCH, UL Index is " 11 ", this PDCCH then scheduled the PUSCH in two sub-frame of uplink simultaneously.In addition, existing standard also supports that two of alternate manner sub-frame of uplink are dispatched simultaneously, namely includes two PDCCH in a descending sub frame, dispatches the PUSCH in two sub-frame of uplink respectively.In the application scenarios of service traffics Adaptable System, the load of PDCCH is relatively light, and concerning this system, it is feasible for realizing Shuangzi frame scheduling by two PDCCH.Therefore, value when UL Index is equaled " 11 " by the application is used as other instructions.
In the application, when upstream data HARQ procedure follows the sequential of uplink-downlink configuration 0, define the information of the sub-frame of uplink sequence number of one of them bit instruction scheduling in two bits in the UL Index/UL DAI territory in the PDCCH of some descending sub frames, namely a bit is used as UL Index, the information of another bit instruction UL DAI; For UE, read the UL Index/UL DAI territory in the PDCCH of these descending sub frames, obtain the information of the sub-frame of uplink sequence number be scheduled according to a bit in two bits in this territory, and obtain the information of UL DAI according to another bit;
Or the PUSCH in a sub-frame of uplink can be dispatched by the PDCCH of multiple descending sub frame, the UL Index/UL DAI territory of dispatching the PDCCH of this PUSCH in different descending sub frame indicates different UL DAI values respectively; That is, different descending sub frames corresponds respectively to different UL DAI values; For UE, read the ULIndex/UL DAI territory in the PDCCH of scheduling PUSCH, and the descending sub frame belonging to this PDCCH determines corresponding UL DAI;
Or, the UL Index defined in the PDCCH of some descending sub frames is set as unique value of fixing, namely the PDCCH in these descending sub frames can only dispatch the PUSCH in a sub-frame of uplink respectively, and indicating UL DAI with two bits in ULIndex/UL DAI territory, two bit values are identical with existing standard with the corresponding relation of UL DAI;
Or, in conjunction with actual uplink-downlink configuration, determine the value of the UL Index/ULDAI in the PDCCH of each descending sub frame.
Step 303:UE determines to be scheduled according to UL Index the sub-frame of uplink of PUSCH, and determines the HARQ-ACK information bit on PUSCH according to UL DAI, sends PUSCH at corresponding sub-frame of uplink.
The following detailed description of the method obtaining UL Index and UL DAI information in service traffics Adaptable System.
Embodiment one
In the present embodiment, when upstream data HARQ follows the sequential of uplink-downlink configuration 0, define the information of the sub-frame of uplink sequence number of one of them bit instruction scheduling of two bits in the UL Index/UL DAI territory in the PDCCH of some descending sub frames, namely UL Index is used as, the information of another bit instruction UL DAI.The present embodiment comprises the following steps:
The PDCCH of step 1:UE receiving scheduling PUSCH, and the reference uplink-downlink configuration that upstream data HARQ procedure is followed.
Step 2:UE reads the ULIndex/UL DAI territory in the PDCCH of scheduling PUSCH, determines ULDAI and UL Index value.
If the reference uplink-downlink configuration that upstream data HARQ procedure is followed is uplink-downlink configuration 1 ~ 6, then dispatch two bit instruction UL DAI in the ULIndex/UL DAI territory in the PDCCH of PUSCH, two bit values are identical with existing standard with the corresponding relation of UL DAI, as shown in table 4;
Table 4
If the reference uplink-downlink configuration that upstream data HARQ procedure is followed is uplink-downlink configuration 0, then dispatch the information of the sub-frame of uplink sequence number of one of them bit instruction scheduling of two bits in the ULIndex/UL DAI territory in the PDCCH of PUSCH, namely UL Index is used as, the information of another bit instruction UL DAI.Such as:
Suppose the information indicating sub-frame of uplink sequence number with MSB, when MSB is 1, that represent PDCCH scheduling in descending sub frame n is PUSCH in sub-frame of uplink n+k, and k provides in table 5, when MSB is 0, that represent PDCCH scheduling in descending sub frame n is PUSCH in sub-frame of uplink n+7;
Suppose the upper limit indicating UL DAI with LSB, when LSB is 0, the upper limit of UL DAI is floor (M/2), when LSB is 1, the upper limit of UL DAI is M, and wherein M is the bundled window size of PUSCH place subframe of being scheduled, and floor () represents and rounds downwards.
Table 5
As previously mentioned, when indicating the information of UL DAI with a bit, this information can be the upper limit of UL DAI, particularly, can be value mode as shown in table 6 or table 7:
Table 6
Table 7
In addition, the value mode of identical or different UL DAI can be adopted in different subframe.
Step 3:UE, according to UL DAI and UL Index, determines the sub-frame of uplink of HARQ-ACK information bit on PUSCH and transmission PUSCH, sends PUSCH at corresponding sub-frame of uplink.
In some cases, meeting transferring ACK/NACK bit on PUSCH, when ACK/NACK on PUSCH is encoded, the bit number O of the ACK/NACK of transmission need be known, make O for the upper limit of the UL DAI in UL Index/UL DAI territory indicated by LSB in the present embodiment, or the twice of the UL DAI upper limit, namely O is the product of the UL DAI upper limit and N, and N is the number of transmission block in descending sub frame in bundled window.As in table 6, when LSB is " 0 ", then O=N*floor (M/2).
If in bundled window, UE does not receive downlink data packet, and LSB is " 0 ", and UE makes O equal the upper limit of the UL DAI indicated by LSB, or the product of the UL DAI upper limit and N, or does not send HARQ-ACK information in the sub-frame of uplink of correspondence.
Embodiment two
In the present embodiment, when upstream data HARQ follows the sequential of uplink-downlink configuration 0, PUSCH in a sub-frame of uplink can be dispatched by the PDCCH of multiple descending sub frame, and the UL Index/UL DAI territory of dispatching in different descending sub frame in the PDCCH of this PUSCH indicates different UL DAI values respectively.
Fig. 4 gives an example, and subframe 1 shown in subframe 0 shown in 401 and 402 is subframe 7 shown in schedulable 403 all, and dispatching the UL DAI indicated in the UL Index/UL DAI territory of subframe 7PDCCH in subframe 0 is a, b .. etc., forms set D 1, dispatching the UL DAI indicated in the UL Index/UL DAI territory of subframe 7PDCCH in subframe 1 is e, f.. etc., forms set D 2.D 1and D 2union constitute all values be instructed to of UL DAI of PUSCH in scheduling subframe 7, as D 1in have 3 values, D 2there is 1 value, D 1between D 2do not occur simultaneously, in scheduling subframe 7, all values be instructed to of UL DAI of PUSCH are 4 values; Or D 1in have 1 value, D 2there are 3 values, D 1between D 2do not occur simultaneously, in scheduling subframe 7, all values be instructed to of UL DAI of PUSCH are 4 values; Or as D 1in have 2 values, D 2there are 2 values, D 1between D 2do not occur simultaneously, in scheduling subframe 7, all values be instructed to of UL DAI of PUSCH are 4 values.The present embodiment comprises the following steps:
The PDCCH of step 1:UE receiving scheduling PUSCH, and the reference uplink-downlink configuration that upstream data HARQ procedure is followed.
Step 2:UE reads the ULIndex/UL DAI territory in the PDCCH of scheduling PUSCH, determines ULDAI and UL Index value.
If the reference uplink-downlink configuration that upstream data HARQ procedure is followed is uplink-downlink configuration 1 ~ 6, then dispatch two bit instruction UL DAI in the ULIndex/UL DAI territory in the PDCCH of PUSCH, two bit values are identical with existing standard with the corresponding relation of UL DAI;
If the reference uplink-downlink configuration that upstream data HARQ procedure is followed is uplink-downlink configuration 0, then dispatch the information of the sub-frame of uplink sequence number of one of them bit instruction scheduling of two bits in the ULIndex/UL DAI territory in the PDCCH of PUSCH, namely UL Index is used as, the information of another bit instruction UL DAI.Such as:
Suppose the information indicating sub-frame of uplink sequence number with MSB, when MSB is 1, that represent PDCCH scheduling in descending sub frame n is PUSCH in sub-frame of uplink n+k, and k provides in table 5, when MSB is 0, that represent PDCCH scheduling in descending sub frame n is PUSCH in sub-frame of uplink n+7;
Suppose the information indicating UL DAI with LSB, the LSB dispatching UL Index/UL DAI territory in the PDCCH of same sub-frame of uplink PUSCH in different descending sub frame indicates different UL DAI values respectively.Such as, if mod (n, 5) and MSB is not 0 time, the value of UL DAI is following table:
Table 8
If mod (n, 5) and MSB is 0 time, the value of UL DAI is following table:
Table 9
Wherein, mod (n, 5) is 0, represents descending sub frame n=0 or 5; MSB is 0, that represent PDCCH scheduling in descending sub frame n is PUSCH in sub-frame of uplink n+7, that is, as mod (n, 5) and MSB is 0 time, represent: the PUSCH in the PDCCH dispatching uplink subframe 7 in descending sub frame 0, PDCCH in descending sub frame 5 dispatches the PUSCH in the sub-frame of uplink 2 of next frame, now, the value of UL DAI is as shown in table 9, and other three kinds of situations in addition, belong to mod (n, 5) and MSB be not 0 situation, the value of UL DAI is as table 8.
Or, the corresponding relation between the number of sub frames continuing to use the PDCCH of existing standard UL DAI value and transmission PDSCH and transmission instruction DL SPS release, namely the number of sub frames of the PDCCH of corresponding transmission PDSCH and transmission instruction DL SPS release is 1 or 5 or 9, and the number of sub frames of the PDCCH of corresponding transmission PDSCH and transmission instruction DL SPS release is 0 or 4 or 8.Specifically, if time n=0 or 5, MSB=" 0 ", the value of UL DAI is following table:
Table 10
；
Except the situation except above situation, i.e. the situation of n=1 or 6 and n=0 or 5 and the situation of MSB=" 1 ", the value of UL DAI is following table:
Table 11
。
When dispatch PUSCH PDCCH instruction be retransmit time, value can be set to M.
Step 3:UE, according to UL DAI and UL Index, determines the sub-frame of uplink of HARQ-ACK information bit on PUSCH and transmission PUSCH, sends PUSCH at corresponding sub-frame of uplink.
In the present embodiment, when PUSCH transferring ACK/NACK bit, if bundled window size M is less than the value that UL DAI indicates, then the bit number O making the ACK/NACK of transmission on PUSCH is the product of M and N, and N is the number of transmission block in descending sub frame in bundled window.
If in bundled window, UE does not receive downlink data packet, and is 0 or 1 according to the instruction UL DAI of LSB, O can be made to equal N, or do not send HARQ-ACK information in the sub-frame of uplink of correspondence.
Embodiment three
In the present embodiment, when the reference uplink-downlink configuration that upstream data HARQ follows is the sequential of uplink-downlink configuration 0, the UL Index defined in some descending sub frames PDCCH is set as unique value of fixing, and the PDCCH namely in these descending sub frames can only dispatch the PUSCH in a sub-frame of uplink.As n=1 or 6, the PDCCH scheduling in subframe n be PUSCH in sub-frame of uplink n+7, two bits instruction UL DAI in ULIndex/UL DAI territory, two bit values are identical with existing standard with the corresponding relation of UL DAI.
As n=0 or 5, the information of the sub-frame of uplink sequence number of one of them bit instruction scheduling of two bits in the UL Index/UL DAI territory of the PDCCH in subframe n, the information of another bit instruction UL DAI, or the sub-frame of uplink that is scheduled that in UL Index/UL DAI territory, three values are corresponding identical, another one value another sub-frame of uplink corresponding in UL Index/UL DAI territory, three values of corresponding identical sub-frame of uplink correspond respectively to different UL DAI; Or adopt other method to indicate UL DAI.The present embodiment comprises the following steps:
The PDCCH of step 1:UE receiving scheduling PUSCH, and the reference uplink-downlink configuration that upstream data HARQ procedure is followed.
Step 2:UE reads the ULIndex/UL DAI territory in the PDCCH of scheduling PUSCH, determines ULDAI and UL Index value.
If the reference uplink-downlink configuration that upstream data HARQ procedure is followed is uplink-downlink configuration 1 ~ 6, then dispatch two bit instruction UL DAI in the PDCCH of PUSCH in ULIndex/UL DAI territory, dibit value is identical with existing standard with the corresponding relation of UL DAI;
If the reference uplink-downlink configuration that upstream data HARQ procedure is followed is uplink-downlink configuration 0, if the PDCCH of scheduling PUSCH is positioned at descending sub frame n, as n=0 or 5, the information of the sub-frame of uplink sequence number of a bit instruction scheduling in two bits in UL Index/UL DAI territory, the information of a bit instruction UL DAI, as embodiment one, here, also LSB can be used to indicate the upper limit of UL DAI, repeat no more; As n=1 or 6, in subframe n, that PDCCH scheduling is PUSCH in sub-frame of uplink n+7, and two bits instruction UL DAI in ULIndex/UL DAI territory, dibit value is identical with existing standard with the corresponding relation of UL DAI.
Step 3:UE, according to UL DAI and UL Index, determines the sub-frame of uplink of HARQ-ACK information bit on PUSCH and transmission PUSCH, sends PUSCH at corresponding sub-frame of uplink.
In the present embodiment, on PUSCH can transferring ACK/NACK bit time, the upper product of bit number O for the UL DAI upper limit in UL Index/UL DAI territory indicated by LSB and N transmitting ACK/NACK of PUSCH, N is the number of transmission block in descending sub frame in bundled window.
Embodiment four
In the present embodiment, when the reference uplink-downlink configuration that upstream data HARQ follows is the sequential of uplink-downlink configuration 0, in conjunction with actual uplink-downlink configuration, determine the value of the UL Index/UL DAI in the PDCCH of each descending sub frame, as when physical layer signaling notice UE in fact downstream arrangements be uplink-downlink configuration 1,2, when 4 or 5, PDCCH scheduling in subframe n be PUSCH in sub-frame of uplink n+7, two bit instruction UL DAI in ULIndex/UL DAI territory, two bit values are identical with existing standard with the corresponding relation of UL DAI.When in fact downstream arrangements is uplink-downlink configuration 0,3 or 6, can be following mode:
● adopt the method described in embodiment one or three, or the sub-frame of uplink that is scheduled that in UL Index/UL DAI territory, three values are corresponding identical, another one value another sub-frame of uplink corresponding in UL Index/UL DAI territory, three value correspondences of corresponding identical sub-frame of uplink correspond respectively to different UL DAI;
● as when in fact downstream arrangements is uplink-downlink configuration 3, the PDCCH scheduling of subframe 0 be PUSCH in sub-frame of uplink n+4, PDCCH scheduling in subframe 5 and subframe 6 be PUSCH in sub-frame of uplink n+7, when in fact downstream arrangements is uplink-downlink configuration be 0 or 6 time, adopt the method described in embodiment one or three, or the sub-frame of uplink that is scheduled that in UL Index/UL DAI territory, three values are corresponding identical, another one value another sub-frame of uplink corresponding in ULIndex/UL DAI territory, three value correspondences of corresponding identical sub-frame of uplink correspond respectively to different UL DAI, or other method.
● or be different from above two methods described.
Corresponding to said method, present invention also provides a kind of equipment.Fig. 5 is the composition structural representation of the better equipment of the application one.This equipment comprises: receiver module, data obtaining module and transport module, wherein:
Described receiver module, for the PDCCH of receiving scheduling PUSCH, and obtains the reference uplink-downlink configuration that upstream data HARQ procedure follows;
Described data obtaining module, for according to the ULIndex/UL DAI territory in the PDCCH of scheduling PUSCH, determines UL DAI and UL Index;
Described transport module, for determining according to UL Index the PUSCH place sub-frame of uplink that is scheduled, and determines the HARQ-ACK information bit on PUSCH according to UL DAI, and for sending PUSCH at corresponding sub-frame of uplink.
According to technique scheme disclosed in the present application, do not need to increase extra resource, the value of UEUL Index and UL DAI can be notified exactly, effectively encode, save channel resource, thus effectively utilized upstream bandwidth, improve the performance of system.In addition, the such scheme that the application proposes, changes very little to existing equipment or system, can not affect the compatibility of equipment, and it realizes not only simple but also efficient.
The foregoing is only the preferred embodiment of the application, not in order to limit the application, within all spirit in the application and principle, any amendment made, equivalent replacements, improvement etc., all should be included within scope that the application protects.

Claims (11)

1. a method for transmitting uplink data, is applicable to service traffics Adaptable System, it is characterized in that, comprising:
The PDCCH of A, UE receiving scheduling PUSCH, and the reference uplink-downlink configuration obtaining that upstream data HARQ procedure follows;
B, UE, according to the ULIndex/UL DAI territory in the PDCCH of scheduling PUSCH, determine UL DAI and UL Index;
C, UE determine according to UL Index the PUSCH place sub-frame of uplink that is scheduled, and determine the HARQ-ACK information bit on PUSCH according to UL DAI, send PUSCH at corresponding sub-frame of uplink.
2. method according to claim 1, is characterized in that, described B comprises:
If the reference uplink-downlink configuration that upstream data HARQ procedure is followed is uplink-downlink configuration 0, UE obtains the information of the PUSCH place sub-frame of uplink sequence number that is scheduled according to a bit in two bits in described UL Index/UL DAI territory, and obtains the information of UL DAI according to another bit;
If the reference uplink-downlink configuration that upstream data HARQ procedure is followed is two the bit determination UL DAIs of uplink-downlink configuration 1 ~ 6, UE according to described ULIndex/UL DAI territory.
3. method according to claim 2, it is characterized in that, described UE obtains the information of the PUSCH place sub-frame of uplink sequence number that is scheduled according to a bit in two bits in described UL Index/UL DAI territory, and comprises according to the information of another bit acquisition UL DAI:
Obtain the information of the PUSCH place sub-frame of uplink sequence number that is scheduled according to the MSB in described UL Index/UL DAI territory, and obtain the upper limit of UL DAI according to the LSB in described UL Index/UL DAI territory.
4. method according to claim 3, is characterized in that:
The information obtaining the PUSCH place sub-frame of uplink sequence number that is scheduled according to the MSB in described UL Index/UL DAI territory comprises: when the MSB in UL Index/UL DAI territory is 1, determine that the PUSCH in sub-frame of uplink n+k is scheduled, when the MSB in UL Index/UL DAI territory is 0, determine that the PUSCH in sub-frame of uplink n+7 is scheduled, wherein, n is the sequence number of described PDCCH place descending sub frame, determines the value of k according to table 5:
Table 5
The upper limit obtaining UL DAI according to the LSB in described UL Index/UL DAI territory comprises: when the LSB in UL Index/ULDAI territory is 0, the upper limit of UL DAI is floor (M/2), when the LSB in UL Index/UL DAI territory is 1, the upper limit of UL DAI is M; Wherein, M is the bundled window size of PUSCH place sub-frame of uplink of being scheduled, and floor () represents and rounds downwards.
5. method according to claim 1, is characterized in that, described B comprises:
If the reference uplink-downlink configuration that upstream data HARQ procedure is followed is the sequence number of uplink-downlink configuration 0, UE according to the PDCCH place descending sub frame of scheduling PUSCH, determine the UL DAI corresponding to UL Index/UL DAI territory in described PDCCH;
If the reference uplink-downlink configuration that upstream data HARQ procedure is followed is two the bit determination UL DAIs of uplink-downlink configuration 1 ~ 6, UE according to described ULIndex/UL DAI territory.
6. method according to claim 5, is characterized in that, described UE, according to the sequence number of the PDCCH place descending sub frame of scheduling PUSCH, determines that the UL DAI corresponding to UL Index/UL DAI territory in described PDCCH comprises:
Obtain the information of the PUSCH place sub-frame of uplink sequence number that is scheduled according to the MSB in described UL Index/UL DAI territory, and obtain UL DAI according to the LSB in described UL Index/UL DAI territory; Wherein, the LSB that different descending sub frame dispatches UL Index/UL DAI territory in the PDCCH of same sub-frame of uplink PUSCH indicates the value of different ULDAI respectively.
7. method according to claim 6, is characterized in that:
The information obtaining the PUSCH place sub-frame of uplink sequence number that is scheduled according to the MSB in described UL Index/UL DAI territory comprises: when the MSB in UL Index/UL DAI territory is 1, determine that the PUSCH in sub-frame of uplink n+k is scheduled, when the MSB in UL Index/UL DAI territory is 0, determine that the PUSCH in sub-frame of uplink n+7 is scheduled, wherein, n is the sequence number of described PDCCH place descending sub frame, determines the value of k according to table 5:
Table 5
Obtain UL DAI according to the LSB in described UL Index/UL DAI territory to comprise: if mod is (n, 5) and MSB be not 0, determine the value of UL DAI according to table 8, if mod (n, 5) and MSB be 0, determine the value of UL DAI according to table 9:
Table 8
Table 9
。
8. method according to claim 6, is characterized in that:
The information obtaining the PUSCH place sub-frame of uplink sequence number that is scheduled according to the MSB in described UL Index/UL DAI territory comprises: when the MSB in UL Index/UL DAI territory is 1, determine that the PUSCH in sub-frame of uplink n+k is scheduled, when the MSB in UL Index/UL DAI territory is 0, determine that the PUSCH in sub-frame of uplink n+7 is scheduled, wherein, n is the sequence number of described PDCCH place descending sub frame, determines the value of k according to table 5:
Table 5
Obtain UL DAI according to the LSB in described UL Index/UL DAI territory to comprise: if n=0 or 5 and MSB=" 0 ", determine the value of UL DAI according to table 10, as n=1 or 6, and as n=0 or 5, and time MSB=" 1 ", determine the value of UL DAI according to table 11:
Table 10
Table 11
。
9. method according to claim 1, is characterized in that, described B comprises:
If the reference uplink-downlink configuration that upstream data HARQ procedure is followed is uplink-downlink configuration 0, UE determines to be scheduled according to the sequence number of PDCCH place descending sub frame the sequence number of PUSCH place sub-frame of uplink, and according to two bit determination UL DAI in described ULIndex/UL DAI territory.
10. method according to claim 9, is characterized in that, UE comprises according to the sequence number of PDCCH place descending sub frame determine the to be scheduled sequence number of PUSCH place sub-frame of uplink:
As the sequence number n=1 or 6 of PDCCH place descending sub frame, determine that the PUSCH in sub-frame of uplink n+7 is scheduled, two bit instruction UL DAI in ULIndex/UL DAI territory, two bit values are identical with existing standard with the corresponding relation of UL DAI;
As n=0 or 5, obtain the information of the PUSCH place sub-frame of uplink sequence number that is scheduled according to a bit in two bits in described UL Index/UL DAI territory, and obtain the information of UL DAI according to another bit; Or as n=0 or 5, three of UL Index/UL DAI territory are worth corresponding identical sub-frame of uplink, another value another sub-frame of uplink corresponding in UL Index/UL DAI territory, three values of corresponding identical sub-frame of uplink correspond respectively to different ULDAI.
11. 1 kinds of equipment, is characterized in that, comprising: receiver module, data obtaining module and transport module, wherein:
Described receiver module, for the PDCCH of receiving scheduling PUSCH, and obtains the reference uplink-downlink configuration that upstream data HARQ procedure follows;
Described data obtaining module, for according to the ULIndex/UL DAI territory in the PDCCH of scheduling PUSCH, determines UL DAI and UL Index;
Described transport module, for determining according to UL Index the PUSCH place sub-frame of uplink that is scheduled, and determines the HARQ-ACK information bit on PUSCH according to UL DAI, and for sending PUSCH at corresponding sub-frame of uplink.
CN201310373238.4A 2013-08-23 2013-08-23 Method and apparatus for transmitting uplink data in a business flow self-adaption system Pending CN104427550A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017045499A1 (en) * 2015-09-18 2017-03-23 中兴通讯股份有限公司 Information transmission method, terminal and base station
WO2017076365A1 (en) * 2015-11-06 2017-05-11 华为技术有限公司 Sub-frame scheduling method and device
CN107432015A (en) * 2015-04-02 2017-12-01 株式会社Ntt都科摩 User terminal, wireless base station and wireless communications method
WO2020057566A1 (en) * 2018-09-21 2020-03-26 电信科学技术研究院有限公司 Harq-ack transmission method, terminal device and network device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107432015A (en) * 2015-04-02 2017-12-01 株式会社Ntt都科摩 User terminal, wireless base station and wireless communications method
US11064467B2 (en) 2015-04-02 2021-07-13 Ntt Docomo, Inc. User terminal, radio base station and radio communication method
CN107432015B (en) * 2015-04-02 2021-12-07 株式会社Ntt都科摩 User terminal, radio base station, and radio communication method
WO2017045499A1 (en) * 2015-09-18 2017-03-23 中兴通讯股份有限公司 Information transmission method, terminal and base station
WO2017076365A1 (en) * 2015-11-06 2017-05-11 华为技术有限公司 Sub-frame scheduling method and device
WO2020057566A1 (en) * 2018-09-21 2020-03-26 电信科学技术研究院有限公司 Harq-ack transmission method, terminal device and network device
US11290217B2 (en) 2018-09-21 2022-03-29 Datang Mobile Communications Equipment Co., Ltd. HARQ-ACK transmission method, terminal device and network device

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