CN101478371B - Uplink semi-persistent scheduling released feedback information sending method - Google Patents

Uplink semi-persistent scheduling released feedback information sending method Download PDF

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CN101478371B
CN101478371B CN200910005582.1A CN200910005582A CN101478371B CN 101478371 B CN101478371 B CN 101478371B CN 200910005582 A CN200910005582 A CN 200910005582A CN 101478371 B CN101478371 B CN 101478371B
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sps
feedback information
resource release
physical downlink
release signaling
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CN101478371A (en
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戴博
喻斌
梁春丽
张禹强
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ZTE Corp
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ZTE Corp Nanjing Branch
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Abstract

The invention provides a method for transmitting feedback information released by uplink semi-persistent scheduling (SPS), wherein the feedback information of resource release signaling of the uplink SPS, as the feedback information of the physical downlink shared channel, is processed. The invention also provides a method for transmitting feedback information released by SPS, wherein for the same one user terminal, when the resource release signaling of the uplink SPS and the resource release signaling of the downlink SPS are transmitted on the same sub-frame, the sub-frame transmits the resource release signaling of only one type of SPS, and the feedback information of the resource release signaling of the transmitted SPS, as the feedback information of the physical downlink shared channel, is processed. The method for transmitting feedback information released by uplink SPS solves the transmission problem of the feedback information released by uplink SPS and solves the problem of compatibility with the acknowledgement/negative acknowledgement (ACK/NACK) feedback information of existing downlink data, thereby ensuring the receiving stat of the resource release signaling of the uplink SPS, preventing the extra interference and unnecessary decoding error, and further ensuring the system performance.

Description

The feedback information sending method that uplink semi-persistent scheduling discharges
Technical field
The present invention relates to the communications field, relate in particular to the feedback information sending method that a kind of uplink semi-persistent scheduling discharges.
Background technology
Long Term Evolution (Long Term Evolution, referred to as LTE) system is the essential planning of third generation partnership, Fig. 1 shows the structural representation of basic frame structure in LTE system, as shown in Figure 1, this frame structure is divided into radio frames, field, subframe, time slot and five grades of symbol, wherein, the length of a radio frames is 10ms, a radio frames is made up of two fields, the length of each field is 5ms, and a field is made up of 5 subframes, and the length of each subframe is 1ms, a subframe is made up of two time slots, and the length of each time slot is 0.5ms.
In the time that LTE system adopts regular circulation prefix, a time slot comprises 7 symbols, and in the time that LTE system adopts extended cyclic prefix, a time slot comprises 6 symbols.
PUCCH (Physical Uplink Control Channel, Physical Uplink Control Channel) form be divided into format 1, format 1a, format 1b and format 2, format 2a, six kinds of format 2b, wherein, format 1 is for transmitting dispatch request (the Scheduling Request of 1 bit, referred to as SR) information, indicate or there is no a SR, ACK/NACK (the Acknowledgement/Negative Acknowledgement that format 1a flows for transmitting the single codeword of 1 bit, correctly reply/wrong responses) information, format 1b is used for the ACK/NACK information of two streams of code words of transmitting 2 bits, wherein, the ACK/NACK information of corresponding 1 bit of each streams of code words, format 2 is for transmission channel quality instruction (Channel Quality Indicator, referred to as CQI)/PMI (Precoding Matrix Indicator, pre-coding matrix instruction) and RI (Rank Indicator, rank indication information) information, format 2a is used for transmitting CQI/PMI and RI information, single codeword stream ACK/NACK information, format 2b is used for transmitting CQI/PMI and RI information, two streams of code words ACK/NACK information, format 2a and format 2b are the scene of regular circulation prefix for Cyclic Prefix.
Wherein, format 1, format 1a are the same with format 1b channel architecture, and format 1 is multiplied by a fixed modulation symbol 1 on data symbol, by format 1 channel have or not to transmit whether have SR information send; Format 1a is multiplied by a BPSK symbol on data symbol, by BPSK symbol transmission single codeword stream ACK/NACK information; Format 1b is multiplied by a QPSK symbol on data symbol, by the two streams of code words ACK/NACK information of QPSK symbol transmission; Format 2, format 2a are the same with format2b channel architecture, and format 2 transmits CQI/PMI and RI information on data symbol, on pilot tone (reference signal) symbol, do not send any information; Format 2a transmits CQI/PMI and RI information on data symbol, on pilot tone (reference signal) symbol, is multiplied by a BPSK symbol, by BPSK symbol transmission single codeword stream ACK/NACK information; Format2b transmits CQI/PMI and RI information on data symbol, on pilot tone (reference signal) symbol, is multiplied by a QPSK symbol, by the two streams of code words ACK/NACK information of QPSK symbol transmission.
So, be defined as b (0) and b (1) for the 2 bit ACK/nack message of PUCCH format 1b/2/2b transmission.
In radio frames of time division duplex (TDD) system, there is various configurations in uplink and downlink timeslot ratio, as shown in table 1, therefore, on a sub-frame of uplink, exist the scene of the ACK/NACK information of the multiple descending sub frames of feedback, under various configurations, the ACK/NACK information concrete condition of the descending sub frame of each sub-frame of uplink feedback is as shown in table 2.
Table 1LTE TDD up-downgoing proportional arrangement
DL/UL is than transfer point subframe numbers
Example configuration cycle 0123456789
0 5ms D S U U U D S U U U
1 5ms D S U U D D S U U D
2 5ms D S U D D D S U D D
3 10ms D S U U U D D D D D
4 10ms D S U U D D D D D D
5 10ms D S U D D D D D D D
6 10ms D S U U U D S U U D
Wherein, D represents descending sub frame, and U represents sub-frame of uplink, and S represents special subframe;
Corresponding descending sub frame number when table 2 sub-frame of uplink feedback acknowledgment information
DL/UL is than all subframe numbers of transfer point
The example configuration phase 0123456789
0 - - 1 - 1 - - 1 - 1
1 5ms - - 2 1 - - - 2 1 -
2 - - 4 - - - - 4 - -
3 - - 3 2 2 - - - - -
4 10ms - - 4 4 - - - - - -
5 - - 9 - - - - - - -
6 - - 1 1 1 - -1 1 -
PDCCH (Physical Downlink Control Channel, Physical Downlink Control Channel): for bearing downlink control information (comprising uplink and downlink schedule information, uplink power control information).Downlink Control Information (Downlink Control Information, be called for short DCI) form be divided into following several: DCIformat 0 is for the scheduling of PUSCH (Physical Uplink Shared Channel, Physical Uplink Shared Channel); DCI format 1,1A, 1B, 1C, 1D is for the different mode of a PDSCH (Physical DownlinkShared Channel, Physical Downlink Shared Channel) code word scheduling; DCI format 2,2A is for the different mode of space division multiplexing; DCI format 3,3A is for the different mode of the power control instruction of PUCCH and PUSCH.
The feedback information (ACK/NACK) of Physical Downlink Shared Channel transmits on row control channel physically, also on row shared channel, transmits physically; The schedule information of Physical Downlink Shared Channel is indicated by descending assignment signalling, and the schedule information of Physical Uplink Shared Channel is indicated by uplink scheduling signaling.
Corresponding semi-persistent scheduling (semi-persistent scheduling, referred to as SPS), such data are not the permanent physical resource that occupies, but the transmission position of semi-static change physical resource, after SPS authorizes, in some cycles, according to cycle transmission or reception data, if there is no the advice method of the release condition (SPS release) of SPS, send or receive after ED in SPS data, still send or receive SPS data, will increase extra interference and unnecessary decoding error, cause the decline of systematic function, therefore, in LTE system, adopt uplink authorization (UL Grant) and descending distribution (DL Assignment) to represent that respectively up SPS discharges and descending SPS discharges, wherein, uplink authorization and descending distribution all send by Physical Downlink Control Channel.
Up SPS resource release signaling is corresponding to DCI format 0, and descending SPS resource release signaling is corresponding to DCI format 1A.
When having in uplink authorization situation, feedback information physically row shared channel send time, if exist the feedback information of the descending SPS that there is no corresponding PDCCH to send in downstream feedback window, the feedback information of descending SPS is mapped to the O of required feedback in downstream feedback window aCKon last bit of individual feedback information bits.
In order to ensure correctly completing of SPS release, at present, LTE standard regulation, all need UE (User Equipment) feedback information (ACK/NACK) to confirm for up SPS release and descending SPS release, for the feedback information that how to send up SPS release, and how jointly to send also not relevant solution with the ACK/NACK feedback information of existing downlink data.
Summary of the invention
The technical problem to be solved in the present invention is to provide the feedback information sending method that a kind of uplink semi-persistent scheduling discharges, and specifies the release condition of SPS, avoids extra interference and unnecessary decoding error, thus the performance of the system of guarantee.
In order to solve the problems of the technologies described above, the invention provides the feedback information sending method that a kind of uplink semi-persistent scheduling discharges, the feedback information of uplink semi-persistent scheduling SPS resource release signaling is used as the feedback information processing of Physical Downlink Shared Channel.
Further, said method also can have following characteristics, to same user terminal, the Physical Downlink Shared Channel of the resource release signaling of up SPS and bearing downlink shared channel data does not transmit in same subframe, and the resource release signaling of up SPS and the resource release signaling of descending SPS do not transmit in same subframe.
Further, said method also can have following characteristics, the feedback information processing that the feedback information of the resource release signaling of described up SPS is used as Physical Downlink Shared Channel refers to, the feedback information of the resource release signaling of up SPS is used as the feedback information processing of the single codeword stream of Physical Downlink Shared Channel.
Further, said method also can have following characteristics, correctly reply at TDD system/wrong responses binding pattern is under ACK/NACK bundling pattern, also comprise, carry out logical AND operation together with the feedback information of the feedback information of the resource release signaling of up SPS and first streams of code words of other Physical Downlink Shared Channels in downstream feedback window.
Further, said method also can have following characteristics, is under ACK/NACK multiplexing pattern in correctly reply/wrong responses of TDD system multiplexer mode,
When in the descending allocation index indication signaling in the resource release signaling of up SPS is feedback window, scheduling discharges subframe total to the Physical Downlink Control Channel of user terminal and SPS,
In the time that feedback information transmits on row control channel physically, also comprise, the feedback information of the resource release signaling of up SPS is used as the feedback information processing of the Physical Downlink Shared Channel on the descending sub frame at resource release signaling place of up SPS, and the feedback information of the resource release signaling of up SPS is mapped on its place descending sub frame and sends on corresponding feedback information bits position;
Further, said method also can have following characteristics,
Under TDD system ACK/NACK multiplexing pattern,
When in the descending allocation index indication signaling in the resource release signaling of up SPS is feedback window, scheduling discharges subframe total to the Physical Downlink Control Channel of user terminal and SPS,
In the time that feedback information transmits on row shared channel physically, also comprise, if do not exist the feedback information of the descending SPS that there is no respective physical down control channel to send in downstream feedback window, the feedback information of the resource release signaling of up SPS is mapped to the O of required feedback in downstream feedback window aCKon last bit of individual feedback information bits; If exist the feedback information of the descending SPS that there is no respective physical down control channel to send in downstream feedback window, the feedback information of the resource release signaling of up SPS is mapped to the O of required feedback in downstream feedback window aCKon the penultimate bit of individual feedback information bits.
Further, said method also can have following characteristics,
Under TDD system ACK/NACK multiplexing pattern,
Distributed to the Physical Downlink Control Channel number of user terminal in the descending allocation index indication signaling in the resource release signaling of up SPS is feedback window time, also comprise:
The feedback information of the resource release signaling of up SPS is mapped to the O of required feedback in downstream feedback window aCKin individual feedback information bits, on k bit, k obtains by described descending allocation index indication signaling.
Further, said method also can have following characteristics, to same user terminal, when the Physical Downlink Shared Channel of the resource release signaling of up SPS and bearing downlink shared channel data transmits in same subframe, the feedback information of described Physical Downlink Shared Channel carries out logical AND operation and binds a feedback information, the feedback information of the resource release signaling of up SPS is corresponding to the feedback information of first streams of code words of Physical Downlink Shared Channel, feedback information after described Physical Downlink Shared Channel logical AND operation is corresponding to the feedback information of second streams of code words of Physical Downlink Shared Channel, or, the feedback information of the resource release signaling of up SPS is corresponding to the feedback information of second streams of code words of Physical Downlink Shared Channel, and the feedback information after described Physical Downlink Shared Channel logical AND operation is corresponding to the feedback information of first streams of code words of Physical Downlink Shared Channel.
Further, said method also can have following characteristics,
To same user terminal, when the Physical Downlink Shared Channel of the resource release signaling of up SPS and bearing downlink shared channel data transmits in same subframe, the feedback information of described Physical Downlink Shared Channel carries out logical AND operation and binds a feedback information;
Under TDD system ACK/NACK bundling pattern,
Together with the feedback information of the feedback information of the resource release signaling of up SPS and first streams of code words of other Physical Downlink Shared Channels in downstream feedback window, carry out logical AND operation, the feedback information after described Physical Downlink Shared Channel logical AND operation carries out logical AND operation together with the feedback information of second streams of code words of other Physical Downlink Shared Channels in downstream feedback window;
Or,
Together with the feedback information of the feedback information of the resource release signaling of up SPS and second streams of code words of other Physical Downlink Shared Channels in downstream feedback window, carry out logical AND operation, the feedback information after described Physical Downlink Shared Channel logical AND operation carries out logical AND operation together with the feedback information of first streams of code words of other Physical Downlink Shared Channels in downstream feedback window.
Further, said method also can have following characteristics,
To same user terminal, when the Physical Downlink Shared Channel of the resource release signaling of up SPS and bearing downlink shared channel data transmits in same subframe, the feedback information of described Physical Downlink Shared Channel carries out logical AND operation and binds a feedback information;
Under TDD system ACK/NACK multiplexing pattern,
The feedback information of resource release signaling and the feedback information of described Physical Downlink Shared Channel of up SPS carry out logical AND operation, as feedback information corresponding to its place subframe, according to ACK/NACKmultiplexing pattern, feed back.
Further, said method also can have following characteristics, in TDD system, if containing up SPS, downstream feedback window discharges subframe, the Physical Downlink Control Channel of this subframe has carried the resource release signaling of up SPS, and the descending allocation index indication signaling in this Physical Downlink Control Channel is in downstream feedback window, to dispatch to the Physical Downlink Control Channel of user terminal and the sum of SPS release subframe; Or the descending allocation index indication signaling in this Physical Downlink Control Channel is the Physical Downlink Control Channel number of having distributed to user terminal in downstream feedback window.
Further, said method also can have following characteristics, and the Physical Uplink Control Channel index that carries the feedback information of up SPS resource release signaling is that the implicit mapping of CCE index obtains according to first or last control channel unit of the up SPS resource release signaling of carrying; Or obtain according to first or the implicit mapping of last CCE index of carrying physics dispatch of down going sharing channel information, or, obtain according to first or the implicit mapping of last CCE index in the CCE of carrying physics dispatch of down going sharing channel information and up SPS resource release signaling.
Further, said method also can have following characteristics, and the feedback information of the resource release signaling of described up SPS is that correct response message is ACK information.
The present invention also proposes the feedback information sending method that a kind of semi-persistent scheduling discharges, to same user terminal, when the resource release signaling of up SPS and the resource release signaling of descending SPS transmit in same subframe, in this subframe, only send the resource release signaling of a kind of SPS, the feedback information of the resource release signaling of the SPS sending in this subframe is used as the feedback information processing of Physical Downlink Shared Channel.
Further, said method also can have following characteristics, in this subframe, only send the resource release signaling of descending SPS, discharge the resource of up SPS and the resource of descending SPS by the denoting signaling in the resource release signaling of descending SPS simultaneously, or represent only to discharge the resource of descending SPS, or represent only to discharge the resource of up SPS.
Further, said method also can have following characteristics, the feedback information processing that the feedback information of the resource release signaling of described SPS is used as Physical Downlink Shared Channel refers to, the feedback information of the resource release signaling of descending SPS is used as the feedback information processing of the single codeword stream of Physical Downlink Shared Channel.
Further, said method also can have following characteristics, under TDD system ACK/NACKbundling pattern, also comprise, carry out logical AND operation together with the feedback information of the feedback information of the resource release signaling of descending SPS and first streams of code words of other Physical Downlink Shared Channels in downstream feedback window.
Further, said method also can have following characteristics, under TDD system ACK/NACKmultiplexing pattern,
Distributed to the Physical Downlink Control Channel number of user terminal in the descending allocation index indication signaling in the resource release signaling of descending SPS is feedback window time, also comprise:
The feedback information of the resource release signaling of descending SPS is mapped to the O of required feedback in downstream feedback window aCKin individual feedback information bits, on k bit, k obtains by described descending allocation index indication signaling.
Further, said method also can have following characteristics, in TDD system, if containing descending SPS, downstream feedback window discharges subframe, the Physical Downlink Control Channel of this subframe has carried the resource release signaling of descending SPS, and the descending allocation index indication signaling in this Physical Downlink Control Channel is the Physical Downlink Control Channel number of having distributed to user terminal in downstream feedback window.
Further, said method also can have following characteristics, and the feedback information of up SPS resource release signaling represents by the feedback information of descending SPS resource release signaling.
Further, said method also can have following characteristics, and according to first or last CCE index of bearing downlink SPS resource release signaling, implicit mapping obtains the Physical Uplink Control Channel index of bearing downlink SPS resource release signaling feedback information.
By technique scheme of the present invention, provide the feedback information sending method that a kind of uplink semi-persistent scheduling discharges, solve the feedback information transmission problem that up SPS discharges, and with the ACK/NACK feedback information compatibling problem of existing downlink data, guarantee the receive status of up SPS resource release signaling, avoid extra interference and unnecessary decoding error, thus the performance of the system of guarantee.
Brief description of the drawings
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification, for explaining the present invention, is not construed as limiting the invention together with embodiments of the present invention.In the accompanying drawings:
Fig. 1 is according to the structural representation of basic frame structure in correlation technique LTE system;
Fig. 2 is the up SPS resource of the present invention release signaling feedback information sending method schematic diagram;
Fig. 3 is another up SPS resource release signaling feedback information sending method schematic diagram of the present invention.
Embodiment
Describe the present invention in detail below in conjunction with drawings and Examples.
The feedback information sending method main thought that the up SPS that the present invention proposes discharges is:
To same UE (user terminal), in the time that up SPS resource release signaling sends in identical subframe with descending SPS resource release signaling, in this subframe, only send a kind of SPS resource release signaling, the feedback information of the SPS resource release signaling sending in this subframe is used as the feedback information processing of Physical Downlink Shared Channel, specifically as shown in Figure 2, now, the feedback information that the feedback information of up SPS resource release signaling discharges information by the SPS resource sending in this subframe represents.
To same UE, in the time that up SPS resource release signaling does not send with descending SPS resource release signaling in identical subframe, the feedback information of the resource release signaling of up SPS is used as the feedback information processing of Physical Downlink Shared Channel, specifically as shown in Figure 3.
As shown in Figure 2, to same UE, the resource release signaling of up SPS sends in identical subframe with descending SPS resource release signaling;
In this subframe, only send the resource release signaling of a kind of SPS; Specifically, only send the resource release signaling of descending SPS.In this subframe, discharge the resource of up SPS and the resource of descending SPS by the denoting signaling in the resource release signaling of descending SPS simultaneously, or represent only to discharge the resource of descending SPS, or represent only to discharge the resource of up SPS, the concrete set-up mode of the resource release signaling of descending SPS is shown in embodiment 1,3.
Now, up SPS resource release signaling does not send with PDSCH in identical subframe.
In this situation, the feedback information of up SPS resource release signaling represents by the feedback information of descending SPS resource release signaling.The feedback information of descending SPS resource release signaling is used as the feedback information processing of Physical Downlink Shared Channel.
As shown in Figure 3, to same UE, in the time that up SPS resource release signaling does not send with descending SPS resource release signaling in identical subframe, the send mode of up SPS resource release signaling and corresponding feedback information send mode thereof mainly contain:
1,, to same UE, up SPS resource release signaling sends in identical subframe with the Physical Downlink Shared Channel of bearing downlink shared channel (DL-SCH) data;
Now arranging of up SPS resource release signaling seen embodiment 2,3, and the sending method of the feedback information of up SPS resource release signaling is shown in embodiment 4.
2,, to same UE, up SPS resource release signaling does not send with PDSCH in identical subframe;
Now arranging of up SPS resource release signaling seen embodiment 2,3, and the sending method of the feedback information of up SPS resource release signaling is shown in embodiment 6.
The feedback information of the resource release signaling of uplink/downlink SPS is used as the feedback information processing of Physical Downlink Shared Channel, specifically comprises:
1) feedback information of the resource release signaling of uplink/downlink SPS is used as the feedback information processing of the single codeword stream of Physical Downlink Shared Channel, for example, in FDD system.
2), under TDD system ACK/NACK bundling (binding of correctly reply/wrong responses) pattern, carry out logical AND operation together with the feedback information of the feedback information of the resource release signaling of uplink/downlink SPS and first streams of code words of other Physical Downlink Shared Channels in downstream feedback window.
3) under TDD system ACK/NACK multiplexing (correctly reply/wrong responses is multiplexing) pattern,
A, when in the descending allocation index indication signaling in the resource release signaling of up SPS is feedback window, scheduling discharges subframe total to the PDCCH of UE and SPS, comprises:
A1, in the time that feedback information (being ACK/NACK information) transmits on row control channel physically, the feedback information of the resource release signaling of up SPS is used as the feedback information processing of the Physical Downlink Shared Channel on the descending sub frame at resource release signaling place of up SPS, and the feedback information of the resource release signaling of up SPS is mapped on corresponding feedback information on its place descending sub frame (being ACK/NACK) bit position and sends;
A2, in the time that feedback information (being ACK/NACK information) transmits on row shared channel physically, if do not exist the feedback information of the descending SPS that there is no corresponding PDCCH to send in downstream feedback window, the feedback information of the resource release signaling of up SPS is mapped to the O of required feedback in downstream feedback window aCKin individual feedback information bits on last bit; If exist the feedback information of the descending SPS that there is no corresponding PDCCH to send in downstream feedback window, the feedback information of the resource release signaling of up SPS is mapped to the O of required feedback in downstream feedback window aCKin individual feedback information bits on penultimate bit;
B, distributed to the PDCCH number of UE in the descending allocation index indication signaling in the resource release signaling of uplink/downlink SPS is feedback window time,
The feedback information of the resource release signaling of uplink/downlink SPS is mapped to the O of required feedback in downstream feedback window aCKin individual feedback information bits, on k bit, k obtains by above-mentioned descending allocation index indication signaling, and descending allocation index indication signaling and k value have one-to-one relationship.
In TDD system, if containing up SPS, downstream feedback window discharges subframe, the PDCCH of this subframe has carried the resource release signaling of up SPS, and the descending allocation index indication signaling in this PDCCH is in downstream feedback window, to dispatch to the PDCCH of UE and the sum of SPS release subframe; Or the descending allocation index indication signaling in this PDCCH is the PDCCH number of having distributed to UE in downstream feedback window.
In TDD system, if containing descending SPS, downstream feedback window discharges subframe, the PDCCH of this subframe has carried the resource release signaling of descending SPS, and the descending allocation index indication signaling in this PDCCH is the PDCCH number of having distributed to UE in downstream feedback window.
Embodiment 1
For same UE, when the resource release signaling of up SPS and the resource release signaling of descending SPS transmit in same subframe,
Only send the resource release signaling of descending SPS, discharge the resource of up SPS and the resource of descending SPS by the denoting signaling in the resource release signaling of descending SPS simultaneously, or represent only to discharge the resource of descending SPS, or represent only to discharge the resource of up SPS.
The resource release signaling of descending SPS comprises: format0 and format1A indication signaling, continuously and virtually Resource Block and discrete virtual resource blocks indication signaling, resource allocation signal, modulation coding mode signaling, new data indication signaling, HARQ process number signaling, redundancy edition signaling, for the power control signaling of PUCCH, descending allocation index indication signaling (FDD does not exist, only corresponding to TDD).
When the resource release signaling of descending SPS represents only to discharge the resource of descending SPS, each signaling is set as follows:
Format0 and format1A indication signaling are set to 1;
Continuously and virtually Resource Block and discrete virtual resource blocks indication signaling are set to 1;
Resource allocation signal is all set to 1;
Modulation coding mode signaling is all set to 1;
New data indication signaling is set to 1;
HARQ process number signaling is all set to 1;
Redundancy edition signaling is all set to 1;
Power control signaling for PUCCH is reserved;
Descending allocation index indication signaling is reserved.
When the resource release signaling of descending SPS represents only to discharge the resource of up SPS, each signaling is set as follows:
Format0 and format1A indication signaling are set to 0;
Continuously and virtually Resource Block and discrete virtual resource blocks indication signaling are set to 0;
Resource allocation signal is all set to 0;
Modulation coding mode signaling is all set to 1;
New data indication signaling is set to 1;
HARQ process number signaling is all set to 1;
Redundancy edition signaling is all set to 1;
Power control signaling for PUCCH is reserved;
Descending allocation index indication signaling is reserved.
Above-mentioned signaling set-up mode is only an example, and the present invention is not construed as limiting this.
When the resource release signaling of descending SPS represents to discharge the resource of up-downgoing SPS simultaneously, each signaling is set as follows:
Format0 and format1A indication signaling are set to 1;
Continuously and virtually Resource Block and discrete virtual resource blocks indication signaling are set to 1;
Resource allocation signal is all set to 1;
Modulation coding mode signaling is all set to 0;
New data indication signaling is set to 0;
HARQ process number signaling is all set to 0;
Redundancy edition signaling is all set to 0;
Power control signaling for PUCCH is reserved;
Descending allocation index indication signaling is reserved.
Above-mentioned signaling set-up mode is only an example, and the present invention is not construed as limiting this.
Embodiment 2
The resource release signaling of up SPS comprises:
Format0 and format1A indication signaling, frequency hopping mark signaling, resource allocation signal, modulation coding mode signaling, new data indication signaling, the cyclic shift amount signaling of data demodulates pilot tone, for the power control signaling of PUSCH, (FDD does not exist descending allocation index indication signaling, only corresponding to TDD configuration 1-6), uplink assignment index indication signaling (FDD does not exist, only corresponding to TDD configuration 0), CQI triggers signaling.
When the resource release signaling of up SPS represents to discharge the resource of up SPS, each signaling is set as follows:
Format0 and format1A indication signaling are set to 0;
Frequency hopping mark signaling is set to 1;
Resource allocation signal is all set to 1;
Modulation coding mode signaling is all set to 1;
New data indication signaling is set to 1;
The cyclic shift amount signaling of data demodulates pilot tone is all set to 1;
It is reserved that CQI triggers signaling;
Power control signaling for PUSCH is reserved;
Descending allocation index indication signaling is reserved;
Uplink assignment index indication signaling is reserved.
Above-mentioned signaling set-up mode is only an example, and the present invention is not construed as limiting this.
Embodiment 3
In TDD system, if containing up SPS, downstream feedback window discharges subframe, the PDCCH of this subframe has carried the resource release signaling of up SPS, and the descending allocation index indication signaling in DCIformat 0 corresponding to the PDCCH of this subframe (up SPS resource release signaling is corresponding to DCI format 0) is in downstream feedback window, to dispatch to the PDSCH of user terminal and the sum of SPS release subframe; Or the descending allocation index indication signaling in this DCI format 0 is the corresponding PDCCH number of PDSCH of having distributed to user terminal (UE) in downstream feedback window.
In TDD system, if containing descending SPS, downstream feedback window discharges subframe, the PDCCH of this subframe has carried the resource release signaling of descending SPS, and the descending allocation index indication signaling in this PDCCH is the PDCCH number of having distributed to UE in downstream feedback window.
Embodiment 4
For same UE, when the Physical Downlink Shared Channel of the resource release signaling of up SPS and bearing downlink shared channel (DL-SCH) data transmits in same subframe, comprise:
The feedback information of described Physical Downlink Shared Channel carries out logical AND operation and binds a feedback information;
1) feedback information of the resource release signaling of up SPS is corresponding to the feedback information of first streams of code words of Physical Downlink Shared Channel, and the feedback information after described Physical Downlink Shared Channel logical AND operation is corresponding to the feedback information of second streams of code words of Physical Downlink Shared Channel; Or, the feedback information of the resource release signaling of up SPS is corresponding to the feedback information of second streams of code words of Physical Downlink Shared Channel, and the feedback information after described Physical Downlink Shared Channel logical AND operation is corresponding to the feedback information of first streams of code words of Physical Downlink Shared Channel.
2) under TDD system ACK/NACK bundling pattern,
Together with the feedback information of the feedback information of the resource release signaling of up SPS and first streams of code words of other Physical Downlink Shared Channels in downstream feedback window, carry out logical AND operation, the feedback information after described Physical Downlink Shared Channel logical AND operation carries out logical AND operation together with the feedback information of second streams of code words of other Physical Downlink Shared Channels in downstream feedback window;
Or,
Together with the feedback information of the feedback information of the resource release signaling of up SPS and second streams of code words of other Physical Downlink Shared Channels in downstream feedback window, carry out logical AND operation, the feedback information after described Physical Downlink Shared Channel logical AND operation carries out logical AND operation together with the feedback information of first streams of code words of other Physical Downlink Shared Channels in downstream feedback window.
3) under TDD system ACK/NACK multiplexing pattern,
The feedback information of resource release signaling and the feedback information of described Physical Downlink Shared Channel of up SPS carry out logical AND operation, as feedback information corresponding to its place subframe, according to ACK/NACKmultiplexing pattern, feed back, can feed back according to the ACK/NACK multiplexing pattern of the feedback information of existing Physical Downlink Shared Channel, also can feed back according to mode described in embodiment 7.
Embodiment 5
For same UE, in the time that the resource release signaling of up SPS and the Physical Downlink Shared Channel of bearing downlink shared channel (DL-SCH) data transmit in same subframe, or, in the time that the resource release signaling of up SPS and the resource release signaling of descending SPS transmit in same subframe
For PUCCH format 1b/2/2b, the 2 bit ACK/nack message of transmission is defined as b (0) and b (1);
B (0) and b (1) are illustrated in the quantity of ACK information in corresponding ACK/NACK feedback information, and specific definition is in table 3.
Table 3b (0), the definition of b (1)
The quantity of ACK information in corresponding ACK/NACK feedback information b(0)，b(1)
0 or None (terminal detect at least one descending sub frame lose) 0，0
1 1，1
2 1，0
3 0，1
4 1，1
5 1，0
6 0，1
7 1，1
8 1，0
9 0，1
The present embodiment is mainly used in illustrating a kind of specific definition mode of feedback information bits, can certainly adopt other definition modes, and the present invention is not construed as limiting this.
Embodiment 6
For same UE, the Physical Downlink Shared Channel of the resource release signaling of up SPS and bearing downlink shared channel (DL-SCH) data does not transmit in same subframe; And, when the resource release signaling of up SPS and the resource release signaling of descending SPS do not transmit in same subframe;
The feedback information of the resource release signaling of up SPS is used as the feedback information processing of Physical Downlink Shared Channel, specifically comprises:
1) feedback information of the resource release signaling of up SPS is used as the feedback information processing of the single codeword stream of Physical Downlink Shared Channel, is applicable to FDD system.
2), under TDD system ACK/NACK bundling pattern, carry out logical AND operation together with the feedback information of the feedback information of the resource release signaling of up SPS and first streams of code words of other Physical Downlink Shared Channels in downstream feedback window.
3) under TDD system ACK/NACK multiplexing pattern, the feedback information sending method of the resource release signaling of up SPS is shown in embodiment 7.
Embodiment 7
Under TDD system ACK/NACK multiplexing pattern,
A, when in the descending allocation index indication signaling in the resource release signaling of up SPS is feedback window, scheduling discharges subframe total to user's PDCCH and SPS,
A1, in the time that feedback information (being ACK/NACK information) transmits on PUCCH, the feedback information of the resource release signaling of up SPS is used as the feedback information processing of the Physical Downlink Shared Channel on the descending sub frame at resource release signaling place of this up SPS, and the feedback information of the resource release signaling of up SPS is mapped on the feedback information position of the Physical Downlink Shared Channel on its place descending sub frame and sends;
A2, in the time that feedback information (being ACK/NACK information) transmits on row shared channel physically, if do not exist the feedback information of the descending SPS that there is no corresponding PDCCH to send in downstream feedback window, the feedback information of the resource release signaling of up SPS is mapped to the O of required feedback in downstream feedback window aCKon last bit of individual feedback information bits; If exist the feedback information of the descending SPS that there is no corresponding PDCCH to send in downstream feedback window, the feedback information of the resource release signaling of up SPS is mapped to the O of required feedback in downstream feedback window aCKon the penultimate bit of individual feedback information bits.
B, distributed to the PDCCH number of UE in the descending allocation index indication signaling in the resource release signaling of up SPS is feedback window time,
The feedback information of the resource release signaling of up SPS is mapped to the O of required feedback in downstream feedback window aCKin individual feedback information bits, on k bit, k obtains by above-mentioned descending allocation index indication signaling.
Embodiment 8
In the time that feedback information sends on PUCCH, the PUCCH index of use obtains according to the minimum (first) at the corresponding PDCCH of feedback information place or the implicit mapping of maximum (last) CCE index; In the time there is no corresponding PDCCH, obtain according to the PUCCH index of high level configuration.
For same UE,
Scene one
When the resource release signaling of up SPS and the Physical Downlink Shared Channel of bearing downlink shared channel (DL-SCH) data do not transmit in same subframe, and, when the resource release signaling of up SPS and the resource release signaling of descending SPS do not transmit in same subframe;
Scene two
In the time that the resource release signaling of up SPS and the Physical Downlink Shared Channel of bearing downlink shared channel (DL-SCH) data transmit in same subframe;
In scene one, two, carry the feedback information of up SPS resource release signaling and the PUCCH of Physical Downlink Shared Channel feedback information, obtain according to the minimum (first) of the up SPS resource release signaling of carrying or the implicit mapping of maximum (last) CCE (control channel unit) index;
Or,
Carry the PUCCH of up SPS resource release signaling feedback information and Physical Downlink Shared Channel feedback information, obtain according to the minimum (first) of carrying physics dispatch of down going sharing channel information or the implicit mapping of maximum (last) CCE index;
Or,
Carry the PUCCH of up SPS resource release signaling feedback information and Physical Downlink Shared Channel feedback information, obtain according to minimum (first) in the CCE of carrying physics dispatch of down going sharing channel information and up SPS resource release signaling or the implicit mapping of maximum (last) CCE index;
Scene three
In the time that the resource release signaling of up SPS and the resource release signaling of descending SPS transmit in same subframe,
In scene three, carry the PUCCH of the resource release signaling feedback information of up SPS resource release signaling feedback information and descending SPS, obtain according to the minimum (first) of the resource release signaling of bearing downlink SPS or the implicit mapping of maximum (last) CCE index.
For FDD, mapping formula is as follows:
The PUCCH index that carries up SPS resource release signaling feedback information is n pUCCH (1), n PUCCH ( 1 ) = n CCE + N PUCCH ( 1 ) , Wherein, N pUCCH (1)the parameter of high-rise configuration, wherein:
When the resource release signaling of up SPS and the Physical Downlink Shared Channel of bearing downlink shared channel (DL-SCH) data do not transmit in same subframe, and, when the resource release signaling of up SPS and the resource release signaling of descending SPS do not transmit in same subframe
N cCEfirst of the up SPS resource release signaling of expression carrying or last CCE index;
In the time that the resource release signaling of up SPS and Physical Downlink Shared Channel transmit in same subframe,
N cCEfirst of the up SPS resource release signaling of expression carrying or last CCE index;
Or,
N cCEfirst of expression carrying physics dispatch of down going sharing channel information or last CCE index;
Or,
N cCErepresent in the CCE of carrying physics dispatch of down going sharing channel information and up SPS resource release signaling first or last CCE index;
In the time that the resource release signaling of up SPS and the resource release signaling of descending SPS transmit in same subframe,
N cCEfirst of the resource release signaling of expression bearing downlink SPS or last CCE index.
For TDD, mapping formula is as follows:
The PUCCH index that carries up SPS resource release signaling feedback information is n pUCCH (1),
The ACK/NACK that supposes M the PDSCH on descending sub frame feeds back on sub-frame of uplink n, and this M descending sub frame is n-k, wherein k ∈ K, set K={k 0, k 1... k m-1relevant with uplink and downlink configuration:
n PUCCH ( 1 ) = ( M - m - 1 ) × N p + m × N p + 1 + n CCE + N PUCCH ( 1 )
Wherein, m is the descending sub frame at last PDSCH place the receiving sequence number in the corresponding M of a sub-frame of uplink n descending sub frame, and has 0≤m≤M-1; The quantity of the CCE that Np comprises for p symbol before a subframe, and the selection of p should ensure N p≤ n cCE< N p+1, p ∈ 0,1,2,3}, and n pUCCHC (1)the parameter of high-rise configuration, wherein:
When resource release signaling and the Physical Downlink Shared Channel of up SPS do not transmit in same subframe, and, when the resource release signaling of up SPS and the resource release signaling of descending SPS do not transmit in same subframe,
N cCEfirst of the up SPS resource release signaling of expression carrying or last CCE index;
In the time that the resource release signaling of up SPS and the Physical Downlink Shared Channel of bearing downlink shared channel (DL-SCH) data transmit in same subframe,
N cCEfirst of the up SPS resource release signaling of expression carrying or last CCE index;
Or,
N cCEfirst of expression carrying physics dispatch of down going sharing channel information or last CCE index;
Or,
N cCErepresent in the CCE of carrying physics dispatch of down going sharing channel information and up SPS resource release signaling first or last CCE index;
In the time that the resource release signaling of up SPS and the resource release signaling of descending SPS transmit in same subframe,
N cCEfirst of the resource release signaling of expression bearing downlink SPS or last CCE index.
In the various embodiments described above, logical AND operation,, carry out with operation ACK/NACK information in, be NACK as long as there is an ACK/NACK information, with operation result be NACK, only with all ACK/NACK information of operation while all be ACK, with the result operating be just ACK.
In the various embodiments described above, Physical Downlink Shared Channel refers to the proprietary Physical Downlink Shared Channel of user terminal (UE).
In the various embodiments described above, the feedback information of up SPS resource release signaling is ACK information, does not feed back nack message, and the feedback information of descending SPS resource release signaling is ACK information, does not feed back nack message.
As mentioned above, by means of technical scheme of the present invention, solve the feedback information transmission problem that up SPS discharges, and with the ACK/NACK feedback information compatibling problem of existing downlink data, thereby, guarantee the receive status of up SPS resource release signaling, avoided extra interference and unnecessary decoding error, thus the performance of the system of guarantee.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims (20)

1. the feedback information sending method that uplink semi-persistent scheduling discharges, is characterized in that, the feedback information of uplink semi-persistent scheduling SPS resource release signaling is used as the feedback information processing of Physical Downlink Shared Channel,
To same user terminal, the Physical Downlink Shared Channel of the resource release signaling of up SPS and bearing downlink shared channel data does not transmit in same subframe, and the resource release signaling of up SPS and the resource release signaling of descending SPS do not transmit in same subframe.
2. the method for claim 1, it is characterized in that, the feedback information processing that the feedback information of the resource release signaling of described up SPS is used as Physical Downlink Shared Channel refers to, the feedback information of the resource release signaling of up SPS is used as the feedback information processing of the single codeword stream of Physical Downlink Shared Channel.
3. the method for claim 1, it is characterized in that, correctly reply at TDD system/wrong responses binding pattern is under ACK/NACK bundling pattern, also comprise, carry out logical AND operation together with the feedback information of the feedback information of the resource release signaling of up SPS and first streams of code words of other Physical Downlink Shared Channels in downstream feedback window.
4. the method for claim 1, is characterized in that,
Be under ACK/NACK multiplexing pattern in correctly reply/wrong responses of TDD system multiplexer mode,
When in the descending allocation index indication signaling in the resource release signaling of up SPS is feedback window, scheduling discharges subframe total to the Physical Downlink Control Channel of user terminal and SPS,
In the time that feedback information transmits on row control channel physically, also comprise, the feedback information of the resource release signaling of up SPS is used as the feedback information processing of the Physical Downlink Shared Channel on the descending sub frame at resource release signaling place of up SPS, and the feedback information of the resource release signaling of up SPS is mapped on its place descending sub frame and sends on corresponding feedback information bits position.
5. the method for claim 1, is characterized in that,
Under TDD system ACK/NACK multiplexing pattern,
When in the descending allocation index indication signaling in the resource release signaling of up SPS is feedback window, scheduling discharges subframe total to the Physical Downlink Control Channel of user terminal and SPS,
In the time that feedback information transmits on row shared channel physically, also comprise, if do not exist the feedback information of the descending SPS that there is no respective physical down control channel to send in downstream feedback window, the feedback information of the resource release signaling of up SPS is mapped to the O of required feedback in downstream feedback window aCKon last bit of individual feedback information bits; If exist the feedback information of the descending SPS that there is no respective physical down control channel to send in downstream feedback window, the feedback information of the resource release signaling of up SPS is mapped to the O of required feedback in downstream feedback window aCKon the penultimate bit of individual feedback information bits.
6. the method for claim 1, is characterized in that,
Under TDD system ACK/NACK multiplexing pattern,
Distributed to the Physical Downlink Control Channel number of user terminal in the descending allocation index indication signaling in the resource release signaling of up SPS is feedback window time, also comprise:
The feedback information of the resource release signaling of up SPS is mapped to the O of required feedback in downstream feedback window aCKin individual feedback information bits, on k bit, k obtains by described descending allocation index indication signaling.
7. the method for claim 1, it is characterized in that, described method also comprises: to same user terminal, when the Physical Downlink Shared Channel of the resource release signaling of up SPS and bearing downlink shared channel data transmits in same subframe, the feedback information of described Physical Downlink Shared Channel carries out logical AND operation and binds a feedback information, the feedback information of the resource release signaling of up SPS is corresponding to the feedback information of first streams of code words of Physical Downlink Shared Channel, feedback information after described Physical Downlink Shared Channel logical AND operation is corresponding to the feedback information of second streams of code words of Physical Downlink Shared Channel, or, the feedback information of the resource release signaling of up SPS is corresponding to the feedback information of second streams of code words of Physical Downlink Shared Channel, and the feedback information after described Physical Downlink Shared Channel logical AND operation is corresponding to the feedback information of first streams of code words of Physical Downlink Shared Channel.
8. the method for claim 1, is characterized in that, described method also comprises:
To same user terminal, when the Physical Downlink Shared Channel of the resource release signaling of up SPS and bearing downlink shared channel data transmits in same subframe, the feedback information of described Physical Downlink Shared Channel carries out logical AND operation and binds a feedback information;
Under TDD system ACK/NACK bundling pattern,
Together with the feedback information of the feedback information of the resource release signaling of up SPS and first streams of code words of other Physical Downlink Shared Channels in downstream feedback window, carry out logical AND operation, the feedback information after described Physical Downlink Shared Channel logical AND operation carries out logical AND operation together with the feedback information of second streams of code words of other Physical Downlink Shared Channels in downstream feedback window;
Or,
Together with the feedback information of the feedback information of the resource release signaling of up SPS and second streams of code words of other Physical Downlink Shared Channels in downstream feedback window, carry out logical AND operation, the feedback information after described Physical Downlink Shared Channel logical AND operation carries out logical AND operation together with the feedback information of first streams of code words of other Physical Downlink Shared Channels in downstream feedback window.
9. the method for claim 1, is characterized in that, described method also comprises:
To same user terminal, when the Physical Downlink Shared Channel of the resource release signaling of up SPS and bearing downlink shared channel data transmits in same subframe, the feedback information of described Physical Downlink Shared Channel carries out logical AND operation and binds a feedback information;
Under TDD system ACK/NACK multiplexing pattern,
The feedback information of resource release signaling and the feedback information of described Physical Downlink Shared Channel of up SPS carry out logical AND operation, as feedback information corresponding to its place subframe, according to ACK/NACK multiplexing pattern, feed back.
10. the method as described in as arbitrary in claim 1 to 9, it is characterized in that, in TDD system, if containing up SPS, downstream feedback window discharges subframe, the Physical Downlink Control Channel of this subframe has carried the resource release signaling of up SPS, and the descending allocation index indication signaling in this Physical Downlink Control Channel is in downstream feedback window, to dispatch to the Physical Downlink Control Channel of user terminal and the sum of SPS release subframe; Or the descending allocation index indication signaling in this Physical Downlink Control Channel is the Physical Downlink Control Channel number of having distributed to user terminal in downstream feedback window.
11. methods as described in as arbitrary in claim 1 to 9, it is characterized in that, the Physical Uplink Control Channel index that carries the feedback information of up SPS resource release signaling is that the implicit mapping of CCE index obtains according to first or last control channel unit of the up SPS resource release signaling of carrying; Or obtain according to first or the implicit mapping of last CCE index of carrying physics dispatch of down going sharing channel information, or, obtain according to first or the implicit mapping of last CCE index in the CCE of carrying physics dispatch of down going sharing channel information and up SPS resource release signaling.
12. methods as described in as arbitrary in claim 1 to 9, is characterized in that, the feedback information of the resource release signaling of described up SPS is that correct response message is ACK information.
13. 1 kinds of feedback information sending methods that semi-persistent scheduling discharges, it is characterized in that, to same user terminal, when the resource release signaling of up SPS and the resource release signaling of descending SPS transmit in same subframe, in this subframe, only send the resource release signaling of a kind of SPS, the feedback information of the resource release signaling of the SPS sending in this subframe is used as the feedback information processing of Physical Downlink Shared Channel.
14. methods as claimed in claim 13, it is characterized in that, in this subframe, only send the resource release signaling of descending SPS, discharge the resource of up SPS and the resource of descending SPS by the denoting signaling in the resource release signaling of descending SPS simultaneously, or represent only to discharge the resource of descending SPS, or represent only to discharge the resource of up SPS.
15. methods as claimed in claim 14, it is characterized in that, the feedback information processing that the feedback information of the resource release signaling of described SPS is used as Physical Downlink Shared Channel refers to, the feedback information of the resource release signaling of descending SPS is used as the feedback information processing of the single codeword stream of Physical Downlink Shared Channel.
16. methods as claimed in claim 14, it is characterized in that, under TDD system ACK/NACK bundling pattern, also comprise, carry out logical AND operation together with the feedback information of the feedback information of the resource release signaling of descending SPS and first streams of code words of other Physical Downlink Shared Channels in downstream feedback window.
17. methods as claimed in claim 14, is characterized in that,
Under TDD system ACK/NACK multiplexing pattern,
Distributed to the Physical Downlink Control Channel number of user terminal in the descending allocation index indication signaling in the resource release signaling of descending SPS is feedback window time, also comprise:
The feedback information of the resource release signaling of descending SPS is mapped to the O of required feedback in downstream feedback window aCKin individual feedback information bits, on k bit, k obtains by described descending allocation index indication signaling.
18. methods as described in as arbitrary in claim 14 to 17, it is characterized in that, in TDD system, if containing descending SPS, downstream feedback window discharges subframe, the Physical Downlink Control Channel of this subframe has carried the resource release signaling of descending SPS, and the descending allocation index indication signaling in this Physical Downlink Control Channel is the Physical Downlink Control Channel number of having distributed to user terminal in downstream feedback window.
19. methods as described in as arbitrary in claim 14 to 17, is characterized in that, the feedback information of up SPS resource release signaling represents by the feedback information of descending SPS resource release signaling.
20. methods as described in as arbitrary in claim 13 to 17, it is characterized in that, according to first or last CCE index of bearing downlink SPS resource release signaling, implicit mapping obtains the Physical Uplink Control Channel index of bearing downlink SPS resource release signaling feedback information.
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