CN102137504B - A kind of method of dispatching transmission of multiple sub-frames and device - Google Patents

A kind of method of dispatching transmission of multiple sub-frames and device Download PDF

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Publication number
CN102137504B
CN102137504B CN201110090796.0A CN201110090796A CN102137504B CN 102137504 B CN102137504 B CN 102137504B CN 201110090796 A CN201110090796 A CN 201110090796A CN 102137504 B CN102137504 B CN 102137504B
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subframe
number
described
correspondence
ndi
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CN201110090796.0A
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CN102137504A (en
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林亚男
沈祖康
肖国军
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电信科学技术研究院
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management, e.g. wireless traffic scheduling or selection or allocation of wireless resources
    • H04W72/12Dynamic Wireless traffic scheduling ; Dynamically scheduled allocation on shared channel
    • H04W72/1278Transmission of control information for scheduling
    • H04W72/1289Transmission of control information for scheduling in the downlink, i.e. towards the terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18Automatic repetition systems, e.g. van Duuren system ; ARQ protocols
    • H04L1/1822Automatic repetition systems, e.g. van Duuren system ; ARQ protocols involving configuration of ARQ with parallel processes

Abstract

The invention discloses a kind of method of dispatching transmission of multiple sub-frames, for realizing the transmission of many subframe schedulings information, to dispatch many subframes.Described method comprises: network side determines the descending control signaling DCI information of dispatching the transmission of N number of sub-frame data, and wherein said DCI information comprises the subframe scheduling information of public schedule information and each subframe difference correspondence, and N is positive integer; Described network side sends described DCI information by the physical downlink control channel PDCCH in descending sub frame n to UE, and n is positive integer; Wherein, for descending scheduling, described N number of subframe is descending sub frame n and-1 descending sub frame of N continuous afterwards; For uplink scheduling, described N number of subframe is sub-frame of uplink n+k and-1 sub-frame of uplink of N continuous afterwards, and k is default parameter, and is positive integer.The invention also discloses the device for realizing described method.

Description

A kind of method of dispatching transmission of multiple sub-frames and device

Technical field

The present invention relates to the communications field, particularly relate to method and the device of dispatching transmission of multiple sub-frames.

Background technology

At current LTE(Long Term Evolution) in system, for dynamic dispatching business, base station is by PDCCH(Physical Downlink Control Channel) in send a dispatch (grant) and dispatch a data transfer (except TDD(time division duplex) uplink-downlink configuration 0).For a UE, a DLgrant(downlink scheduling signaling in each descending sub frame, can only be had) or a ULgrant(uplink scheduling signaling) or a DLgrant and ULgrant.DLgrant in descending sub frame n is for dispatching the downlink data transmission in this subframe.ULgrant in descending sub frame n is used for the transmitting uplink data in dispatching uplink subframe n+k.

Multiple DCI(DownlinkControlInformation is defined, descending control signaling in LTE system) form, the information comprised in often kind of DCI format is different, and length is also different.For descending scheduling can use DCI format 1,1A, 1B, 1D, 2,2A, 2B and 2C, shown in Figure 1.Uplink scheduling can use DCI format 0 and 4, shown in Figure 2.

Dispatch in units of radio frames in prior art.In order to realize dispatching in units of subframe, to improve the flexibility of scheduling, then improve scheduling signaling request.In order to improve capacity to support more user scheduling, a kind of possible method increases PDCCH physical resource, dispatch separately, but the method obviously needs to take more resource to each subframe.

Summary of the invention

The embodiment of the present invention provides a kind of method and device of dispatching transmission of multiple sub-frames, for realizing the transmission of many subframe schedulings information, to dispatch many subframes.

A method for dispatching transmission of multiple sub-frames, is applied to network side, comprises the following steps:

Network side determines the descending control signaling DCI information of dispatching the transmission of N number of sub-frame data, and wherein said DCI information comprises the subframe scheduling information of public schedule information and each subframe difference correspondence, and N is positive integer;

Described network side sends described DCI information by the physical downlink control channel PDCCH in descending sub frame n to UE, and n is positive integer;

Wherein, for descending scheduling, described N number of subframe is descending sub frame n and-1 descending sub frame of N continuous afterwards; For uplink scheduling, described N number of subframe is sub-frame of uplink n+k and-1 sub-frame of uplink of N continuous afterwards, and k is default parameter, and is positive integer; N number of subprocess in the corresponding same mixed automatic retransfer HARQ process of described N number of subframe difference, one of them HARQ process is made up of N number of subprocess, the arrangement of N number of subprocess order, or described N number of subframe corresponding N number of different HARQ process respectively; When the corresponding N number of different HARQ process of described N number of subframe difference, if the part subframe in the N number of subframe of described network side execution cost, the HARQ process number of the subframe m do not dispatched is arranged to the invalid value preset; If or described network side dispatches the part subframe in N number of subframe, HARQ process number corresponding for the subframe m do not dispatched is arranged identical with the HARQ process number of the subframe m' of the immediate scheduling in position; Wherein, m is positive integer; M' is positive integer, and by n≤m'< m during ascending order antithetical phrase frame number.

A method for dispatching transmission of multiple sub-frames, is applied to end side, comprises the following steps:

UE receives the DCI information that network side sends in descending sub frame n, and obtain public schedule information and each subframe corresponding subframe scheduling information respectively, wherein n is positive integer;

For descending scheduling, described UE is according to the downlink data in described public schedule information and each subframe corresponding subframe scheduling receives information descending sub frame n of difference and the descending sub frame of N-1 afterwards, and wherein N is positive integer;

For uplink scheduling, described UE according to described public schedule information and each subframe respectively corresponding subframe scheduling information in sub-frame of uplink n+k and the sub-frame of uplink of N-1 afterwards, send upstream data;

Wherein, described descending sub frame n and N-1 afterwards descending sub frame forms N number of subframe of descending scheduling, described sub-frame of uplink n+k and N-1 afterwards sub-frame of uplink forms N number of subframe of uplink scheduling, N number of subprocess in the corresponding same mixed automatic retransfer HARQ process of described N number of subframe difference, one of them HARQ process is made up of N number of subprocess, the arrangement of N number of subprocess order, or described N number of subframe corresponding N number of different HARQ process respectively; When the corresponding N number of different HARQ process of described N number of subframe difference, the step that UE obtains public schedule information and each subframe corresponding subframe scheduling information respectively comprises: when the HARQ process number of the subframe m that described UE detects in N number of subframe that described DCI can dispatch is default invalid value, determine that subframe m does not dispatch; Or when the HARQ process number of the subframe m that described UE detects in N number of subframe that described DCI can dispatch is identical with the HARQ number of carrying out of descending sub frame m', determine that descending sub frame m does not dispatch; Wherein, m is positive integer; M' is positive integer, and by n≤m'< m during ascending order antithetical phrase frame number.

A kind of base station, comprising:

Scheduler module, for determining the descending control signaling DCI information of dispatching the transmission of N number of sub-frame data, wherein said DCI information comprises the subframe scheduling information of public schedule information and each subframe difference correspondence, and N is positive integer;

Interface module, for sending described DCI information by the physical downlink control channel PDCCH in descending sub frame n to UE, n is positive integer;

Wherein, for descending scheduling, described N number of subframe is descending sub frame n and-1 descending sub frame of N continuous afterwards; For uplink scheduling, described N number of subframe is sub-frame of uplink n+k and-1 sub-frame of uplink of N continuous afterwards, and k is default parameter, and is positive integer; N number of subprocess in the corresponding same mixed automatic retransfer HARQ process of described N number of subframe difference, one of them HARQ process is made up of N number of subprocess, the arrangement of N number of subprocess order, or described N number of subframe corresponding N number of different HARQ process respectively; When the corresponding N number of different HARQ process of described N number of subframe difference, if the part subframe in the N number of subframe of described network side execution cost, the HARQ process number of the subframe m do not dispatched is arranged to the invalid value preset by described scheduler module; If or described network side dispatches the part subframe in N number of subframe, HARQ process number corresponding for the subframe m do not dispatched arranges identical with the HARQ process number of the subframe m' of the immediate scheduling in position by described scheduler module; Wherein, m is positive integer; M' is positive integer, and by n≤m'< m during ascending order antithetical phrase frame number.

A kind of subscriber equipment, comprising:

Interface module, for receiving the DCI information that network side sends in descending sub frame n, obtain public schedule information and each subframe corresponding subframe scheduling information respectively, wherein n is positive integer;

For descending scheduling, control module, for distinguishing corresponding subframe scheduling information according to described public schedule information and each subframe, control interface module receives the downlink data in descending sub frame n and the descending sub frame of N-1 afterwards, and wherein N is positive integer;

For uplink scheduling, described control module is according to described public schedule information and each subframe corresponding subframe scheduling information respectively, and control interface module sends upstream data in sub-frame of uplink n+k and the sub-frame of uplink of N-1 afterwards;

Wherein, described descending sub frame n and N-1 afterwards descending sub frame forms N number of subframe of descending scheduling, described sub-frame of uplink n+k and N-1 afterwards sub-frame of uplink forms N number of subframe of uplink scheduling, N number of subprocess in the corresponding same mixed automatic retransfer HARQ process of described N number of subframe difference, one of them HARQ process is made up of N number of subprocess, the arrangement of N number of subprocess order, or the HARQ process that described N number of subframe is corresponding different respectively; When the HARQ process that described N number of subframe is corresponding different respectively, when the HARQ process number of the subframe m that described interface module detects in N number of subframe that described DCI can dispatch is default invalid value, determine that subframe m does not dispatch; Or when the HARQ process number of the subframe m that described interface module detects in N number of subframe that described DCI can dispatch is identical with the HARQ number of carrying out of descending sub frame m', determine that descending sub frame m does not dispatch; Wherein, m is positive integer; M' is positive integer, and by n≤m'< m during ascending order antithetical phrase frame number.

In the embodiment of the present invention, network side passes through a sub-frame transmission to the schedule information of multiple subframe, particularly schedule information comprises public schedule information and subframe scheduling information, by this public schedule information of common information sharing of multiple subframes of scheduling, the information of dispatching respectively for each subframe represents by subframe scheduling information, thus saves signaling consumption.

Accompanying drawing explanation

Fig. 1 is the schematic diagram of descending scheduling DCI format in prior art;

Fig. 2 is the schematic diagram of uplink scheduling DCI format in prior art;

Fig. 3 is the method flow diagram that in the embodiment of the present invention, dispatching transmission of multiple sub-frames realizes at network side;

Fig. 4 is the method flow diagram that in the embodiment of the present invention, dispatching transmission of multiple sub-frames realizes in UE side;

The schematic diagram of HARQ process when Fig. 5 is the same HARQ process of many sub-frames share in the embodiment of the present invention;

The schematic diagram of HARQ process when Fig. 6 is the different HARQ process of many subframe correspondences in the embodiment of the present invention;

Fig. 7 is the structure chart of base station in the embodiment of the present invention;

Fig. 8 is the structure chart of UE in the embodiment of the present invention.

Embodiment

In the embodiment of the present invention, network side passes through a sub-frame transmission to the schedule information of multiple subframe, particularly schedule information comprises public schedule information and subframe scheduling information, the common schedule information of multiple subframe represents by public schedule information, the information of dispatching respectively for each subframe represents by subframe scheduling information, thus saves signaling consumption.

See Fig. 3, the method flow that in the present embodiment, dispatching transmission of multiple sub-frames realizes at network side is as follows:

Network side is before carrying out many subframe schedulings, and as described in notifying by high-level signaling (as RRC signaling), UE carries out many subframe schedulings.

Step 301: network side determines the descending control signaling DCI information of dispatching the transmission of N number of sub-frame data.Wherein said DCI information comprises the subframe scheduling information of public schedule information and each subframe difference correspondence, and N is positive integer, and can be configured by systemic presupposition or network side.What in the present embodiment, public schedule information comprised in carrier wave instruction, Resource Block instruction, modulating-coding grade and precoding information is one or more.

Step 302: described network side sends described DCI information by the physical downlink control channel PDCCH in descending sub frame n to UE.N is positive integer.Wherein, for descending scheduling, described N number of subframe is descending sub frame n and-1 descending sub frame of N continuous afterwards; For uplink scheduling, described N number of subframe is sub-frame of uplink n+k and-1 sub-frame of uplink of N continuous afterwards, and k is default parameter, and is positive integer.

The value of k is determined by actual needs, preferably, for FDD (Frequency Division Duplexing (FDD)) system, and k=4.For TDD (time division duplex) system, k is as shown in table 1.Or for the uplink-downlink configuration 0 of TDD system, if the highest significant position (MSB) in upper line index (ULindex) information in DCI information is 1, then k is as shown in table 1; If the least significant bit (LSB) in the up index information in described DCI information is 1, then k=7.

Table 1

If network side needs to reschedule the part subframe in scheduled N number of subframe, then redefine DCI information, and send by the PDCCH in descending sub frame n ' the DCI information redefined, wherein n ' is positive integer, and by n ' > n during ascending order antithetical phrase frame number.The DLgrant quantity sent in each descending sub frame is not more than 1.UE always carries out data receiver according to the schedule information in the last DLgrant.

After network side sends DCI information, UE needs receive DCI information and perform accordingly, introduces the implementation procedure of UE side below by embodiment.

See Fig. 4, the method flow that in the present embodiment, dispatching transmission of multiple sub-frames realizes in UE side is as follows:

After multiframe scheduling is opened, UE blind Detecting multiframe scheduling DCI, otherwise UE blind Detecting single frames scheduling DCI.

Step 401:UE receives the DCI information that network side sends in descending sub frame n, and obtain public schedule information and each subframe corresponding subframe scheduling information respectively, wherein n is positive integer.What in the present embodiment, public schedule information comprised in carrier wave instruction, Resource Block instruction, modulating-coding grade and precoding information is one or more.

Step 402: for descending scheduling, described UE is according to the downlink data in described public schedule information and each subframe corresponding subframe scheduling receives information descending sub frame n of difference and the descending sub frame of N-1 afterwards, and wherein N is positive integer.

Step 403: for uplink scheduling, described UE according to described public schedule information and each subframe respectively corresponding subframe scheduling information in sub-frame of uplink n+k and the sub-frame of uplink of N-1 afterwards, send upstream data.

UE receives the DCI information that network side sends in descending sub frame n ', and according to the DCI receives information downlink data in descending sub frame n ' or transmission upstream data, wherein n ' is positive integer, and n ' > n.The ULgrant quantity sent in each subframe is not more than 1.UE always carries out data receiver according to the schedule information in the last ULgrant.

About subframe scheduling information and HARQ process, the present embodiment provides multiple implementation.

First kind of way: N number of subprocess in corresponding same mixed automatic retransfer (HARQ) process of N number of subframe difference, one of them HARQ process is made up of N number of subprocess, the arrangement of N number of subprocess order.The position of each subprocess in this HARQ process is fixed, namely subprocess x always in N number of subframe an xth subframe upload defeated, 0 < x≤N, as shown in Figure 5.Now can in advance at network side and UE side configuration HARQ process number, then not need in DCI information, carry HARQ progress information (as HARQ process number).Or the corresponding same HARQ process of N number of subframe, therefore carries HARQ progress information in public schedule information.

In addition, the corresponding relation between each subprocess the number of transmissions and redundancy version information (RV) is configured with in advance at network side and UE side, as initial transmission uses redundancy versions 0, first time retransmits and uses redundancy versions 2, second time retransmits and uses redundancy versions 3, third time retransmits and uses redundancy versions 1, then network side does not need to notify RV in DCI.Now, during the transmission of DCI message scheduling single codeword, described subframe scheduling information comprises: new data indication information (NDI).During DCI message scheduling many codeword transmission, described subframe scheduling information comprises: the NDI of code word 1 correspondence and the NDI of code word 2 correspondence.

More preferably, by forming the multiframe scheduling DCI in the present embodiment after add the subframe scheduling information corresponding to subprocess 2 ~ N in LTERel-10 (version 10) existing DCI information.The corresponding subprocess 1 of original NDI in LTERel-10DCI, original RV reserves.The subframe scheduling information corresponding to subprocess 2 ~ N added realizes by the reserved bit of reusing in former DCI, as reused the reserved bit of RV (if also can increase new bit when reserved bit is not enough), also directly can increase new bit and realizing.Preferably, NDI message length is 1 bit, and RV message length is 2 bits.Receiving terminal needs the number of transmissions adding up each subprocess to determine the RV information of corresponding subprocess.

If the arbitrary portion subframe in the N number of subframe of network side schedulable, then DCI needs notice subframe scheduling mark, in order to indicate the subframe be scheduled in N number of subframe.More preferably, N number of bit can be set, in order corresponding N number of subframe.If subframe is scheduled, then corresponding bit is set to " 1 ", otherwise is " 0 ".

The second way: N number of subprocess in corresponding same mixed automatic retransfer (HARQ) process of N number of subframe difference, one of them HARQ process is made up of N number of subprocess, the arrangement of N number of subprocess order.The position of each subprocess in this HARQ process is fixed, namely subprocess x always in N number of subframe an xth subframe upload defeated, 0 < x≤N.Now can in advance at network side and UE side configuration HARQ process number, then not need in DCI information, carry HARQ progress information (as HARQ process number).Or, by the corresponding same HARQ process of the N number of subframe be scheduled, therefore in public schedule information, carry HARQ progress information.

In addition, the RV of each subprocess of network side dynamic-configuration.Then during the transmission of DCI message scheduling single codeword, described subframe scheduling information comprises: NDI and RV; During DCI message scheduling many codeword transmission, described subframe scheduling information comprises: the NDI of code word 1 correspondence, the RV of code word 1 correspondence, the NDI of code word 2 correspondence and the RV of code word 2 correspondence.

More preferably, by forming the multiframe scheduling DCI in the present embodiment after add the subframe scheduling information corresponding to subprocess 2 ~ N in LTERel-10 (version 10) existing DCI information.The corresponding subprocess 1 of original NDI in LTERel-10DCI, original RV reserves.The subframe scheduling information corresponding to subprocess 2 ~ N added realizes by the reserved bit of reusing in former DCI, as reused the reserved bit of RV (if also can increase new bit when reserved bit is not enough), also directly can increase new bit and realizing.Preferably, NDI message length is 1 bit, and RV message length is 2 bits.Transmitting terminal uses identical physical resource, modulating-coding grade and pre-coding matrix to carry out data transmission according to NDI and RV that each subframe is corresponding in N number of subframe.

If the arbitrary portion subframe in the N number of subframe of network side schedulable, then DCI needs notice subframe scheduling mark, in order to indicate the subframe be scheduled in N number of subframe.More preferably, N number of bit can be set, in order corresponding N number of subframe.If subframe is scheduled, then corresponding bit is set to " 1 ", otherwise is " 0 ".

The third mode: the HARQ process that N number of subframe is corresponding different respectively, N number of subframe just has N number of HARQ process, and the order of process is not fixed, shown in Figure 6.Then subframe scheduling information comprises HARQ progress information.

In addition, the corresponding relation between each subprocess the number of transmissions and redundancy version information (RV) is configured with in advance at network side and UE side, as initial transmission uses redundancy versions 0, first time retransmits and uses redundancy versions 2, second time retransmits and uses redundancy versions 3, third time retransmits and uses redundancy versions 1, then network side does not need to notify RV in DCI.Now, during the transmission of DCI message scheduling single codeword, described subframe scheduling information comprises: HARQ process numbering and NDI.During DCI message scheduling many codeword transmission, described subframe scheduling information comprises: HARQ process numbering, the NDI of code word 1 correspondence and the NDI of code word 2 correspondence.

More preferably, by forming the multiframe scheduling DCI in the present embodiment after add the subframe scheduling information corresponding to subprocess 2 ~ N in LTERel-10 (version 10) existing DCI information.Corresponding first the HARQ process of original NDI in LTERel-10DCI, original RV reserves.The subframe scheduling information corresponding to subprocess 2 ~ N added realizes by the reserved bit of reusing in former DCI, as reused the reserved bit of RV (if also can increase new bit when reserved bit is not enough), also directly can increase new bit and realizing.Preferably, HARQ process number accounts for 4 bits in a tdd system, accounts for 3 bits in FDD system; NDI message length is 1 bit.UE end needs the number of transmissions adding up each subprocess to determine the RV information of corresponding subprocess.

If the arbitrary portion subframe in the N number of subframe of network side schedulable, then DCI needs notice subframe scheduling mark, in order to indicate the subframe be scheduled in N number of subframe.More preferably, N number of bit can be set, in order corresponding N number of subframe.If subframe is scheduled, then corresponding bit is set to " 1 ", otherwise is " 0 ".Or if the arbitrary portion subframe in the N number of subframe of network side schedulable, then the HARQ process number that the descending sub frame do not dispatched is corresponding is arranged to the invalid value preset.Or if the arbitrary portion subframe in the N number of subframe of network side schedulable, then the HARQ process number HARQ process number of the descending sub frame m do not dispatched being arranged to the descending sub frame m ' of scheduling immediate with position is identical; Wherein, m is positive integer, and m ' is positive integer, and by n≤m ' < m during ascending order antithetical phrase frame number.

4th kind of mode: the HARQ process that N number of subframe is corresponding different respectively, N number of subframe just has N number of HARQ process, and the order of process is not fixed.Then subframe scheduling information comprises HARQ progress information.

In addition, the RV of each subprocess of network side dynamic-configuration.Then during the transmission of DCI message scheduling single codeword, described subframe scheduling information comprises: HARQ process numbering, NDI and RV; During DCI message scheduling many codeword transmission, described subframe scheduling information comprises: the RV of HARQ process numbering, NDI, the RV of code word 1 correspondence of code word 1 correspondence, the NDI of code word 2 correspondence and code word 2 correspondence.

More preferably, by forming the multiframe scheduling DCI in the present embodiment after add the subframe scheduling information corresponding to subprocess 2 ~ N in LTERel-10 (version 10) existing DCI information.Corresponding first the HARQ process of original NDI in LTERel-10DCI, original RV reserves.The subframe scheduling information corresponding to subprocess 2 ~ N added realizes by the reserved bit of reusing in former DCI, as reused the reserved bit of RV (if also can increase new bit when reserved bit is not enough), also directly can increase new bit and realizing.Preferably, HARQ process number accounts for 4 bits in a tdd system, accounts for 3 bits in FDD system; NDI message length is 1 bit.UE end needs the number of transmissions adding up each subprocess to determine the RV information of corresponding subprocess.

If the arbitrary portion subframe in the N number of subframe of network side schedulable, then DCI needs notice subframe scheduling mark, in order to indicate the subframe be scheduled in N number of subframe.More preferably, N number of bit can be set, in order corresponding N number of subframe.If subframe is scheduled, then corresponding bit is set to " 1 ", otherwise is " 0 ".Or if the arbitrary portion subframe in the N number of subframe of network side schedulable, then the HARQ process number that the descending sub frame do not dispatched is corresponding is arranged to the invalid value preset.Or if the arbitrary portion subframe in the N number of subframe of network side schedulable, then the HARQ process number HARQ process number of the descending sub frame m do not dispatched being arranged to the descending sub frame m ' of scheduling immediate with position is identical; Wherein, m is positive integer, and m ' is positive integer, and by n≤m ' < m during ascending order antithetical phrase frame number.

By the foregoing describing the implementation procedure of having separated change particular cell, this process realizes primarily of UE and network equipment, is introduced below to the internal structure of UE and network equipment and function.

See Fig. 7, in the present embodiment, base station comprises: scheduler module 701 and interface module 702.This base station can be specially evolution base station (eNB) etc.

Scheduler module 701 is for determining the descending control signaling DCI information of dispatching the transmission of N number of sub-frame data.Wherein said DCI information comprises the subframe scheduling information of public schedule information and each subframe difference correspondence, and N is positive integer.It is one or more that described public schedule information comprises in carrier wave instruction, Resource Block instruction, modulating-coding grade and precoding information.

Interface module 702 is for sending described DCI information by the physical downlink control channel PDCCH in descending sub frame n to UE, and n is positive integer.Wherein, for descending scheduling, described N number of subframe is descending sub frame n and-1 descending sub frame of N continuous afterwards; For uplink scheduling, described N number of subframe is sub-frame of uplink n+k and-1 sub-frame of uplink of N continuous afterwards, and k is default parameter, and is positive integer.By high-level signaling, interface module 702, also for before carrying out many subframe schedulings, notifies that described UE carries out many subframe schedulings.

If scheduler module 701 also reschedules the part subframe in scheduled N number of subframe for needing, then redefine DCI information.Interface module 702 is also for sending DCI information by the PDCCH in descending sub frame n ', and wherein n ' is positive integer, and by n ' > n during ascending order antithetical phrase frame number.

Scheduler module 701 is also for dispatching the arbitrary portion subframe in N number of subframe, then described subframe scheduling informational needs comprises subframe scheduling mark, in order to indicate the subframe be scheduled in N number of subframe.Or scheduler module 701 is also for dispatching the arbitrary portion subframe in N number of subframe, then HARQ process number corresponding for the descending sub frame do not dispatched is arranged to the invalid value preset by scheduler module.Or scheduler module 701 is also for dispatching the arbitrary portion subframe in N number of subframe, then the HARQ process number of the descending sub frame m do not dispatched to be arranged to the HARQ process number of the descending sub frame m ' of scheduling immediate with position identical for scheduler module; Wherein, m is positive integer, and m ' is positive integer, and by n≤m ' < m during ascending order antithetical phrase frame number.

N number of subprocess in the corresponding same mixed automatic retransfer HARQ process of described N number of subframe difference, one of them HARQ process is made up of N number of subprocess, the arrangement of N number of subprocess order.Mixed automatic retransfer HARQ process numbering is comprised further for the public schedule information in down dispatch information.During described DCI message scheduling single codeword transmission, described subframe scheduling information comprises: new data indication information NDI; Or comprise: NDI and redundancy versions RV.During described DCI message scheduling many codeword transmission, described subframe scheduling information comprises: the NDI of code word 1 correspondence and the NDI of code word 2 correspondence; Or comprise: the NDI of code word 1 correspondence, the RV of code word 1 correspondence, the NDI of code word 2 correspondence and the RV of code word 2 correspondence.

Described N number of subframe is respectively to N number of different HARQ process.During described DCI message scheduling single codeword transmission, described subframe scheduling information comprises: HARQ process numbering and NDI; Or comprise: HARQ process numbering, NDI and RV.During described DCI message scheduling many codeword transmission, described subframe scheduling information comprises: HARQ process numbering, the NDI of code word 1 correspondence and the NDI of code word 2 correspondence; Or comprise: the RV of HARQ process numbering, NDI, the RV of code word 1 correspondence of code word 1 correspondence, the NDI of code word 2 correspondence and code word 2 correspondence.

See Fig. 8, in the present embodiment, subscriber equipment comprises:

The DCI information that interface module 801 sends for receiving network side in descending sub frame n, obtain public schedule information and each subframe corresponding subframe scheduling information respectively, wherein n is positive integer.It is one or more that described public schedule information comprises in carrier wave instruction, Resource Block instruction, modulating-coding grade and precoding information.Interface module 801 is also for knowing that by high-level signaling network side carries out many subframe schedulings.

For descending scheduling, control module 802 is for distinguishing corresponding subframe scheduling information according to described public schedule information and each subframe, and control interface module 801 receives the downlink data in descending sub frame n and the descending sub frame of N-1 afterwards, and wherein N is positive integer.

For uplink scheduling, described control module 802 is according to described public schedule information and each subframe corresponding subframe scheduling information respectively, and control interface module 801 sends upstream data in sub-frame of uplink n+k and the sub-frame of uplink of N-1 afterwards.

Interface module 801 also for receiving the DCI information that network side sends in descending sub frame n '.Control module 802 is according to the DCI information in descending sub frame n ', and control interface mould, 801 downlink data receivings or send upstream data, wherein n ' is positive integer, and by n ' > n during ascending order antithetical phrase frame number.

Interface module 801 also for according to subframe scheduling mark, judges in N number of subframe, which subframe is scheduled.Or interface module 801 also for according to HARQ process number corresponding in N number of subframe, judges in N number of subframe, which subframe is scheduled or is not scheduled.If the HARQ process number of subframe m is default invalid value, or the HARQ process number of subframe m is identical with the HARQ process number of the descending sub frame m ' of the immediate scheduling in position, then determine that subframe m is not scheduled; Wherein, m is positive integer, and m ' is positive integer, and by n≤m ' < m during ascending order antithetical phrase frame number.

N number of subprocess in the corresponding same mixed automatic retransfer HARQ process of described N number of subframe difference, one of them HARQ process is made up of N number of subprocess, the arrangement of N number of subprocess order.Mixed automatic retransfer HARQ process numbering is comprised further for the public schedule information in down dispatch information.During described DCI message scheduling single codeword transmission, described subframe scheduling information comprises: new data indication information NDI; Or comprise: NDI and redundancy versions RV.During described DCI message scheduling many codeword transmission, described subframe scheduling information comprises: the NDI of code word 1 correspondence and the NDI of code word 2 correspondence; Or comprise: the NDI of code word 1 correspondence, the RV of code word 1 correspondence, the NDI of code word 2 correspondence and the RV of code word 2 correspondence.

The HARQ process that described N number of subframe is corresponding different respectively.During described DCI message scheduling single codeword transmission, described subframe scheduling information comprises: HARQ process numbering and NDI; Or comprise: HARQ process numbering, NDI and RV.During described DCI message scheduling many codeword transmission, described subframe scheduling information comprises: HARQ process numbering, the NDI of code word 1 correspondence and the NDI of code word 2 correspondence; Or comprise: the RV of HARQ process numbering, NDI, the RV of code word 1 correspondence of code word 1 correspondence, the NDI of code word 2 correspondence and code word 2 correspondence.

In the embodiment of the present invention, network side passes through a sub-frame transmission to the schedule information of multiple subframe, particularly schedule information comprises public schedule information and subframe scheduling information, the common schedule information of multiple subframe represents by public schedule information, the information of dispatching respectively for each subframe represents by subframe scheduling information, thus saves signaling consumption.Whether the embodiment of the present invention also shares same HARQ process for multiple subframe gives different embodiments, if share same HARQ process, then can not carry HARQ process number or only carry a HARQ process number in schedule information.If the HARQ process that multiple subframe is corresponding different, then the order of each HARQ process is not fixed, and dispatches more flexible.And, the corresponding relation of the number of transmissions and RV can be pre-set in system, then can not carry RV in schedule information, reduce signaling consumption further.Or network side dynamic-configuration RV, makes scheduling more flexible.

Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store and optical memory etc.) of computer usable program code.

The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.

These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.

These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.

Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.

Claims (32)

1. a method for dispatching transmission of multiple sub-frames, is characterized in that, comprises the following steps:
Network side determines the descending control signaling DCI information of dispatching the transmission of N number of sub-frame data, and wherein said DCI information comprises the subframe scheduling information of public schedule information and each subframe difference correspondence, and N is positive integer;
Described network side sends described DCI information by the physical downlink control channel PDCCH in descending sub frame n to UE, and n is positive integer;
Wherein, for descending scheduling, described N number of subframe is descending sub frame n and-1 descending sub frame of N continuous afterwards; For uplink scheduling, described N number of subframe is sub-frame of uplink n+k and-1 sub-frame of uplink of N continuous afterwards, and k is default parameter, and is positive integer; N number of subprocess in the corresponding same mixed automatic retransfer HARQ process of described N number of subframe difference, one of them HARQ process is made up of N number of subprocess, the arrangement of N number of subprocess order, or described N number of subframe corresponding N number of different HARQ process respectively; When the corresponding N number of different HARQ process of described N number of subframe difference, if the part subframe in the N number of subframe of described network side execution cost, the HARQ process number of the subframe m do not dispatched is arranged to the invalid value preset; If or described network side dispatches the part subframe in N number of subframe, HARQ process number corresponding for the subframe m do not dispatched is arranged identical with the HARQ process number of the subframe m' of the immediate scheduling in position; Wherein, m is positive integer; M' is positive integer, and by n≤m'< m during ascending order antithetical phrase frame number.
2. the method for claim 1, is characterized in that, it is one or more that described public schedule information comprises in carrier wave instruction, Resource Block instruction, modulating-coding grade and precoding information.
3. the method for claim 1, is characterized in that, comprises mixed automatic retransfer HARQ process numbering further for the public schedule information in down dispatch information.
4. the method for claim 1, is characterized in that, during described DCI message scheduling single codeword transmission, described subframe scheduling information comprises: new data indication information NDI; Or comprise: NDI and redundancy versions RV;
During described DCI message scheduling many codeword transmission, described subframe scheduling information comprises: the NDI of code word 1 correspondence and the NDI of code word 2 correspondence; Or comprise: the NDI of code word 1 correspondence, the RV of code word 1 correspondence, the NDI of code word 2 correspondence and the RV of code word 2 correspondence.
5. the method for claim 1, is characterized in that, during described DCI message scheduling single codeword transmission, described subframe scheduling information comprises: HARQ process numbering and NDI; Or comprise: HARQ process numbering, NDI and RV;
During described DCI message scheduling many codeword transmission, described subframe scheduling information comprises: HARQ process numbering, the NDI of code word 1 correspondence and the NDI of code word 2 correspondence; Or comprise: the RV of HARQ process numbering, NDI, the RV of code word 1 correspondence of code word 1 correspondence, the NDI of code word 2 correspondence and code word 2 correspondence.
6. the method for claim 1, is characterized in that, described subframe scheduling information comprises subframe scheduling mark further, in order to indicate the subframe be scheduled in N number of subframe.
7. the method for claim 1, is characterized in that, by high-level signaling, described network side, before carrying out many subframe schedulings, notifies that described UE carries out many subframe schedulings.
8. the method for claim 1, is characterized in that, described network side also comprises step send described DCI information in descending sub frame n after:
If described network side needs to reschedule the part subframe in scheduled N number of subframe, then redefine DCI information, and send DCI information by the PDCCH in descending sub frame n ', wherein n ' is positive integer, and by n ' >n during ascending order antithetical phrase frame number.
9. a method for dispatching transmission of multiple sub-frames, is characterized in that, comprises the following steps:
UE receives the DCI information that network side sends in descending sub frame n, and obtain public schedule information and each subframe corresponding subframe scheduling information respectively, wherein n is positive integer;
For descending scheduling, described UE is according to the downlink data in described public schedule information and each subframe corresponding subframe scheduling receives information descending sub frame n of difference and the descending sub frame of N-1 afterwards, and wherein N is positive integer;
For uplink scheduling, described UE according to described public schedule information and each subframe respectively corresponding subframe scheduling information in sub-frame of uplink n+k and the sub-frame of uplink of N-1 afterwards, send upstream data, wherein k is default parameter, and is positive integer;
Wherein, described descending sub frame n and N-1 afterwards descending sub frame forms N number of subframe of descending scheduling, described sub-frame of uplink n+k and N-1 afterwards sub-frame of uplink forms N number of subframe of uplink scheduling, N number of subprocess in the corresponding same mixed automatic retransfer HARQ process of described N number of subframe difference, one of them HARQ process is made up of N number of subprocess, the arrangement of N number of subprocess order, or described N number of subframe corresponding N number of different HARQ process respectively; When the corresponding N number of different HARQ process of described N number of subframe difference, the step that UE obtains public schedule information and each subframe corresponding subframe scheduling information respectively comprises: when the HARQ process number of the subframe m that described UE detects in N number of subframe that described DCI can dispatch is default invalid value, determine that subframe m does not dispatch; Or when the HARQ process number of the subframe m that described UE detects in N number of subframe that described DCI can dispatch is identical with the HARQ number of carrying out of descending sub frame m', determine that descending sub frame m does not dispatch; Wherein, m is positive integer; M' is positive integer, and by n≤m'< m during ascending order antithetical phrase frame number.
10. method as claimed in claim 9, is characterized in that, it is one or more that described public schedule information comprises in carrier wave instruction, Resource Block instruction, modulating-coding grade and precoding information.
11. methods as claimed in claim 9, is characterized in that, comprise mixed automatic retransfer HARQ process numbering further for the public schedule information in down dispatch information.
12. methods as claimed in claim 9, is characterized in that, during described DCI message scheduling single codeword transmission, described subframe scheduling information comprises: new data indication information NDI; Or comprise: NDI and redundancy versions RV;
During described DCI message scheduling many codeword transmission, described subframe scheduling information comprises: the NDI of code word 1 correspondence and the NDI of code word 2 correspondence; Or comprise: the NDI of code word 1 correspondence, the RV of code word 1 correspondence, the NDI of code word 2 correspondence and the RV of code word 2 correspondence.
13. methods as claimed in claim 9, is characterized in that, during described DCI message scheduling single codeword transmission, described subframe scheduling information comprises: HARQ process numbering and NDI; Or comprise: HARQ process numbering, NDI and RV;
During described DCI message scheduling many codeword transmission, described subframe scheduling information comprises: HARQ process numbering, the NDI of code word 1 correspondence and the NDI of code word 2 correspondence; Or comprise: the RV of HARQ process numbering, NDI, the RV of code word 1 correspondence of code word 1 correspondence, the NDI of code word 2 correspondence and code word 2 correspondence.
14. methods as claimed in claim 9, is characterized in that, described subframe scheduling information comprises subframe scheduling mark further, in order to indicate the subframe be scheduled in N number of subframe.
15. methods as claimed in claim 9, is characterized in that, by high-level signaling, described network side, before carrying out many subframe schedulings, notifies that described UE carries out many subframe schedulings.
16. methods as claimed in claim 9, is characterized in that, UE also comprises step receive the DCI information of network side transmission in descending sub frame n after:
UE receives the DCI information that network side sends in descending sub frame n ', and according to the DCI receives information downlink data in descending sub frame n ' or transmission upstream data, wherein n ' is positive integer, and by n ' >n during ascending order antithetical phrase frame number.
17. 1 kinds of base stations, is characterized in that, comprising:
Scheduler module, for determining the descending control signaling DCI information of dispatching the transmission of N number of sub-frame data, wherein said DCI information comprises the subframe scheduling information of public schedule information and each subframe difference correspondence, and N is positive integer;
Interface module, for sending described DCI information by the physical downlink control channel PDCCH in descending sub frame n to UE, n is positive integer;
Wherein, for descending scheduling, described N number of subframe is descending sub frame n and-1 descending sub frame of N continuous afterwards; For uplink scheduling, described N number of subframe is sub-frame of uplink n+k and-1 sub-frame of uplink of N continuous afterwards, and k is default parameter, and is positive integer; N number of subprocess in the corresponding same mixed automatic retransfer HARQ process of described N number of subframe difference, one of them HARQ process is made up of N number of subprocess, the arrangement of N number of subprocess order, or described N number of subframe corresponding N number of different HARQ process respectively; When the corresponding N number of different HARQ process of described N number of subframe difference, if the part subframe in the N number of subframe of described base station execution cost, the HARQ process number of the subframe m do not dispatched is arranged to the invalid value preset by described scheduler module; If or the part subframe in N number of subframe is dispatched in described base station, HARQ process number corresponding for the subframe m do not dispatched arranges identical with the HARQ process number of the subframe m' of the immediate scheduling in position by described scheduler module; Wherein, m is positive integer ;m' is positive integer, and by n≤m'< m during ascending order antithetical phrase frame number.
18. base stations as claimed in claim 17, is characterized in that, it is one or more that described public schedule information comprises in carrier wave instruction, Resource Block instruction, modulating-coding grade and precoding information.
19. base stations as claimed in claim 17, is characterized in that, comprise mixed automatic retransfer HARQ process numbering further for the public schedule information in down dispatch information.
20. base stations as claimed in claim 17, is characterized in that, during described DCI message scheduling single codeword transmission, described subframe scheduling information comprises: new data indication information NDI; Or comprise: NDI and redundancy versions RV;
During described DCI message scheduling many codeword transmission, described subframe scheduling information comprises: the NDI of code word 1 correspondence and the NDI of code word 2 correspondence; Or comprise: the NDI of code word 1 correspondence, the RV of code word 1 correspondence, the NDI of code word 2 correspondence and the RV of code word 2 correspondence.
21. base stations as claimed in claim 17, is characterized in that, during described DCI message scheduling single codeword transmission, described subframe scheduling information comprises: HARQ process numbering and NDI; Or comprise: HARQ process numbering, NDI and RV;
During described DCI message scheduling many codeword transmission, described subframe scheduling information comprises: HARQ process numbering, the NDI of code word 1 correspondence and the NDI of code word 2 correspondence; Or comprise: the RV of HARQ process numbering, NDI, the RV of code word 1 correspondence of code word 1 correspondence, the NDI of code word 2 correspondence and code word 2 correspondence.
22. base stations as claimed in claim 17, is characterized in that, described subframe scheduling information comprises subframe scheduling mark further, in order to indicate the subframe be scheduled in N number of subframe.
23. base stations as claimed in claim 17, is characterized in that, by high-level signaling, interface module, also for before carrying out many subframe schedulings, notifies that described UE carries out many subframe schedulings.
24. base stations as claimed in claim 17, is characterized in that, if scheduler module also reschedules the part subframe in scheduled N number of subframe for needing, then redefine DCI information; Interface module is also for sending DCI information by the PDCCH in descending sub frame n ', and wherein n ' is positive integer, and by n ' >n during ascending order antithetical phrase frame number.
25. 1 kinds of subscriber equipmenies, is characterized in that, comprising:
Interface module, for receiving the DCI information that network side sends in descending sub frame n, obtain public schedule information and each subframe corresponding subframe scheduling information respectively, wherein n is positive integer;
For descending scheduling, control module, for distinguishing corresponding subframe scheduling information according to described public schedule information and each subframe, control interface module receives the downlink data in descending sub frame n and the descending sub frame of N-1 afterwards, and wherein N is positive integer;
For uplink scheduling, described control module is according to described public schedule information and each subframe corresponding subframe scheduling information respectively, and control interface module sends upstream data in sub-frame of uplink n+k and the sub-frame of uplink of N-1 afterwards;
Wherein, described descending sub frame n and N-1 afterwards descending sub frame forms N number of subframe of descending scheduling, described sub-frame of uplink n+k and N-1 afterwards sub-frame of uplink forms N number of subframe of uplink scheduling, N number of subprocess in the corresponding same mixed automatic retransfer HARQ process of described N number of subframe difference, one of them HARQ process is made up of N number of subprocess, the arrangement of N number of subprocess order, or the HARQ process that described N number of subframe is corresponding different respectively; When the HARQ process that described N number of subframe is corresponding different respectively, when the HARQ process number of the subframe m that described interface module detects in N number of subframe that described DCI can dispatch is default invalid value, determine that subframe m does not dispatch; Or when the HARQ process number of the subframe m that described interface module detects in N number of subframe that described DCI can dispatch is identical with the HARQ number of carrying out of descending sub frame m', determine that descending sub frame m does not dispatch; Wherein, m is positive integer; M' is positive integer, and by n≤m'< m during ascending order antithetical phrase frame number.
26. subscriber equipmenies as claimed in claim 25, is characterized in that, it is one or more that described public schedule information comprises in carrier wave instruction, Resource Block instruction, modulating-coding grade and precoding information.
27. subscriber equipmenies as claimed in claim 25, is characterized in that, comprise mixed automatic retransfer HARQ process numbering further for the public schedule information in down dispatch information.
28. subscriber equipmenies as claimed in claim 25, is characterized in that, during described DCI message scheduling single codeword transmission, described subframe scheduling information comprises: new data indication information NDI; Or comprise: NDI and redundancy versions RV;
During described DCI message scheduling many codeword transmission, described subframe scheduling information comprises: the NDI of code word 1 correspondence and the NDI of code word 2 correspondence; Or comprise: the NDI of code word 1 correspondence, the RV of code word 1 correspondence, the NDI of code word 2 correspondence and the RV of code word 2 correspondence.
29. subscriber equipmenies as claimed in claim 25, is characterized in that, during described DCI message scheduling single codeword transmission, described subframe scheduling information comprises: HARQ process numbering and NDI; Or comprise: HARQ process numbering, NDI and RV;
During described DCI message scheduling many codeword transmission, described subframe scheduling information comprises: HARQ process numbering, the NDI of code word 1 correspondence and the NDI of code word 2 correspondence; Or comprise: the RV of HARQ process numbering, NDI, the RV of code word 1 correspondence of code word 1 correspondence, the NDI of code word 2 correspondence and code word 2 correspondence.
30. subscriber equipmenies as claimed in claim 25, is characterized in that, described subframe scheduling information comprises subframe scheduling mark further, in order to indicate the subframe be scheduled in N number of subframe.
31. subscriber equipmenies as claimed in claim 25, is characterized in that, interface module is also for knowing that by high-level signaling network side carries out many subframe schedulings.
32. subscriber equipmenies as claimed in claim 25, is characterized in that, interface module also for receiving the DCI information that network side sends in descending sub frame n '; Control module is according to the DCI information control interface module downlink data receiving in descending sub frame n ' or send upstream data, and wherein n ' is positive integer, and by n ' >n during ascending order antithetical phrase frame number.
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