Abstract
A method and an apparatus for ACK/NACK transmission. When a terminal device only receives a semi-persistent scheduling (SPS) physical downlink shared channel (PDSCH) and a physical downlink control channel (PDCCH) in which a downlink assignment index (DAI) value is equal to 1 in a feedback window the terminal device transmits ACK/NACK feedback information corresponding to the SPS PDSCH and ACK/NACK feedback information corresponding to the PDCCH on PUCCH format 1a/1b resource using PUCCH format 1b with channel selection or ACK/NACK bundling.
Technologies
Feedback
Product
Use Cases
Wireless communication
Services
Claim
1. A method for acknowledgement/negative acknowledgement (ACK/NACK) transmission, comprising:
transmitting, by a terminal device which is configured with physical uplink control channel (PUCCH) format 3 for ACK/NACK transmission, ACK/NACK feedback information corresponding to a semi-persistent scheduling (SPS) physical downlink shared channel (PDSCH) and ACK/NACK feedback information corresponding to a physical downlink control channel (PDCCH) in which a downlink (DL) downlink assignment index (DAI) value is equal to 1 on PUCCH format 1a/1b resource using PUCCH format 1b with channel selection or ACK/NACK bundling when only the SPS PDSCH and the PDCCH in which the DL DAI value is equal to 1 are received in a feedback window.
2. The method of claim 1, wherein the transmitting by the terminal device ACK/NACK feedback information corresponding to the SPS PDSCH and the ACK/NACK feedback information corresponding to the PDCCH in which the DL DAI value is equal to 1 on PUCCH format 1a/1b resource using PUCCH format 1b with channel selection comprises:
determining information to be transmitted and PUCCH resource for transmitting the information from multiple PUCCH format 1a/1b resources by using an LTE-A mapping table for ACK/NACK multiplexing transmission;
transmitting the information on the determined PUCCH resource.
3. The method of claim 2, wherein the transmitting the information to the base station by using the LTE-A ACK/NACK multiplexing transmission mapping table comprises:
transmitting the ACK/NACK feedback information corresponding to the SPS PDSCH and the ACK/NACK feedback information corresponding to the PDCCH in which the DL DAI value is equal to 1 by using the LTE-A Rel-10 mapping table for ACK/NACK multiplexing transmission with A=2;
generating 2-bit bundled ACK/NACK through spatial bundling when the terminal device is configured with downlink multi-codeword transmission.
4. The method of claim 3, wherein transmitting the ACK/NACK feedback information corresponding to the SPS PDSCH and the ACK/NACK feedback information corresponding to the PDCCH in which the DL DAI value is equal to 1 by using the LTE-A Rel-10 ACK/NACK multiplexing transmission mapping table with A=2 comprises determining parameters in the LTE-A Rel-10 ACK/NACK multiplexing transmission mapping table with A=2 to be:
hybrid automatic repeat request (HARQ)-ACK(0) is the ACK/NACK feedback information corresponding to the SPS PDSCH;
HARQ-ACK(1) is the ACK/NACK feedback information corresponding to the PDCCH in which the DL DAI value is equal to 1;
n
PUCCH
,
0
n
PUCCH
,
0
(
1
)
(
1
)
is the PUCCH format 1a/1b resource corresponding to the SPS PDSCH; and
n
PUCCH
,
1
n
PUCCH
,
1
(
1
)
(
1
)
is the PUCCH format 1a/1b resource determined according to n CCE n CCE , where n CCE n CCE is the index of the first CCE occupied by the PDCCH in which the DL DAI value is equal to 1.
5. The method of claim 2, wherein the transmitting by the terminal device the information to the base station by using the LTE-A Rel-10 ACK/NACK multiplexing transmission mapping table comprises:
transmitting, by the terminal device, the ACK/NACK feedback information corresponding to the SPS PDSCH and the ACK/NACK feedback information corresponding to the PDCCH in which the DL DAI value is equal to 1 by using the LTE-A Rel-10 mapping table for ACK/NACK multiplexing transmission with A=2 when the terminal device is configured with downlink single codeword transmission; or
transmitting, by the terminal device, the ACK/NACK feedback information corresponding to the SPS PDSCH and the ACK/NACK feedback information corresponding to the PDCCH in which the DL DAI value is equal to 1 by using the LTE-A Rel-10 ACK/NACK mapping table for multiplexing transmission with A=3 when the terminal device is configured with downlink multi-codeword transmission.
6. The method of claim 5, wherein transmitting the information to the base station by using the LTE-A Rel-10 ACK/NACK multiplexing transmission mapping table comprises determining parameters in LTE-A Rel-10 ACK/NACK multiplexing transmission mapping tables with A=2 or A=3 to be:
HARQ-ACK(0) is the ACK/NACK feedback information corresponding to the SPS PDSCH;
HARQ-ACK(1) is ACK/NACK feedback information corresponding to codeword 1 of the PDCCH in which the DL DAI value is equal to 1;
HARQ-ACK(2) is ACK/NACK feedback information corresponding to codeword 2 of the PDCCH in which the DL DAI value is equal to 1;
n
PUCCH
,
0
n
PUCCH
,
0
(
1
)
(
1
)
is the SPS PUCCH format 1a/1b resource corresponding to the SPS PDSCH;
n
PUCCH
,
1
n
PUCCH
,
1
(
1
)
(
1
)
is the PUCCH format 1a/1b resource determined according to n CCE n CCE , where n CCE n CCE is the index of the first CCE occupied by the PDCCH in which the DL DAI value is equal to 1; and
n
PUCCH
,
2
n
PUCCH
,
2
(
1
)
(
1
)
is the PUCCH format 1a/1b resource determined by n CCE +1 n CCE +1.
7. The method of claim 1, wherein the transmitting the ACK/NACK feedback information corresponding to the SPS PDSCH and the ACK/NACK feedback information corresponding to the PDCCH in which the DL DAI value is equal to 1 using ACK/NACK bundling comprises:
bundling, by the terminal device, ACK/NACK feedback information corresponding to codewords with the same index in the SPS PDSCH and the PDCCH in which the DL DAI value is equal to 1; or
spatially bundling, by the terminal device, the ACK/NACK feedback information corresponding to the SPS PDSCH and the ACK/NACK feedback information corresponding to the PDCCH in which the DL DAI value is equal to 1.
8. The method of claim 7, wherein the transmitting the ACK/NACK feedback information corresponding to the SPS PDSCH and the ACK/NACK feedback information corresponding to the PDCCH in which the DL DAI value is equal to 1 on PUCCH format 1a/1b resource comprises:
transmitting, by the terminal device, the bundled ACK/NACK feedback information on PUCCH format 1a/1b resource corresponding to the PDCCH in which the DL DAI value is equal to 1.
9. A terminal device, configured to transmit acknowledgement/negative acknowledgement (ACK/NACK) feedback information by using physical uplink control channel (PUCCH) format 3, comprising:
a receiving module, configured to receive information sent by a base station;
a processing module, configured to process received information using PUCCH format 1b with channel selection or ACK/NACK bundling when the receiving module only received a semi-persistent scheduling (SPS) physical downlink shared channel (PDSCH) and a physical downlink control channel (PDCCH) in which a downlink (DL) downlink assignment index (DAI) value is equal to 1 sent by the base station in a feedback window; and
a transmitting module, configured to transmit ACK/NACK feedback information bundled by the processing module on PUCCH format 1a/1b resource.
10. The terminal device of claim 9, wherein the processing module is configured to:
determine information to be transmitted by using an LTE-A ACK/NACK multiplexing transmission mapping table, and determine PUCCH resource for transmitting the information from among multiple PUCCH format 1a/1b resources;
bundle ACK/NACK feedback information corresponding to codewords with the same index in the SPS PDSCH and the PDCCH in which the DL DAI value is equal to 1; or
spatially bundle ACK/NACK feedback information corresponding to the SPS PDSCH and the PDCCH in which the DL DAI value is equal to 1.
11. The terminal device of claim 10, wherein the transmitting module is configured to:
transmit the information on the PUCCH resource determined by the processing module when the processing module adopts the PUCCH format 1b with channel selection; or
transmit bundled ACK/NACK feedback information to the base station on PUCCH format 1a/1b resource corresponding to the PDCCH in which the DL DAI value is equal to 1 when the processing module adopts the ACK/NACK bundling.
12. The terminal device of claim 10, wherein the processing module is configured to:
adopt the LTE-A Rel-10 ACK/NACK multiplexing transmission mapping table with A=2 when the terminal device is configured with downlink single codeword transmission; or
adopt the LTE-A Rel-10 ACK/NACK multiplexing transmission mapping table with A=3 when the terminal device is configured with downlink multi-codeword transmission.
13. The terminal device of claim 10, wherein the processing module is configured to:
adopt the LTE-A Rel-10 ACK/NACK multiplexing transmission mapping table with A=2;
generate 2-bit bundled ACK/NACK feedback information through spatial bundling when the terminal device is configured with downlink multi-codeword transmission.
14. A method for acknowledgement/negative acknowledgement (ACK/NACK) transmission, comprising:
receiving, by a base station, ACK/NACK feedback information which has been processed through PUCCH format 1b with channel selection or ACK/NACK bundling and is fed back by a terminal device, which is configured to transmit ACK/NACK feedback information by using PUCCH format 3, on physical uplink control channel (PUCCH) format 1a/1b resource when the base station transmitted only a semi-persistent scheduling (SPS) physical downlink shared channel (PDSCH) and a physical downlink control channel (PDCCH) in which a downlink (DL) downlink assignment index (DAI) value is equal to 1 to the terminal device within feedback window.
15. The method of claim 14, the receiving by the base station ACK/NACK feedback information which has been processed through ACK/NACK bundling and is fed back by the terminal device on PUCCH format 1a/1b resource comprises:
receiving, by the base station, the ACK/NACK feedback information via the PUCCH format 1a/1b resource corresponding to the PDCCH in which the DL DAI value is equal to 1 when the base station did not transmit a PDCCH in which a DL DAI is larger than 1 to the terminal device in the feedback window; and
monitoring, by the base station, PUCCH format 3 resource specified by an ARI and receives the ACK/NACK feedback information which has been processed through ACK/NACK bundling and ACK/NACK feedback information corresponding to a PDCCH in which a DL DAI is larger than 1 via the PUCCH format 3 resource when the base station also transmitted the PDCCH in which the DL DAI is larger than 1 to the terminal device in the feedback window, and determining the PDCCH in which the DL DAI is larger than 1 is missed if feedback information is not detected.
16. The method of claim 15, further comprising: after determining by the base station the PDCCH in which the DL DAI is larger than 1 is missed,
monitoring, by the base station, PUCCH resource corresponding to the last transmitted subframe between the subframe in which the SPS PDSCH is transmitted and the subframe in which the PDCCH in which the DL DAI value is equal to 1 is transmitted, and receives the ACK/NACK feedback information which was fed back by the terminal device and processed through ACK/NACK bundling via the PUCCH resource.
17. The method of claim 14, the receiving by the base station the ACK/NACK feedback information which was fed back by the terminal device and processed through ACK/NACK bundling on PUCCH format 1a/1b resource comprises:
receiving the ACK/NACK feedback information which was fed back by the terminal device and processed through PUCCH format 1b with channel selection according to an LTE-A ACK/NACK multiplexing transmission mapping table on the PUCCH resource corresponding to the SPS PDSCH and the PDCCH in which the DL DAI value is equal to 1 sent to the terminal device when the base station did not transmit a PDCCH in which a DL DAI is larger than 1 to the terminal device in the feedback window; and
monitoring, by the base station, PUCCH format 3 resource specified by an ARI and receiving ACK/NACK feedback information corresponding to a PDCCH in which a DL DAI is larger than 1 via the PUCCH format 3 resource when the base station also transmitted the PDCCH in which the DL DAI is larger than 1 to the terminal device in the feedback window, determining the PDCCH in which the DL DAI is larger than 1 is missed if feedback information is not detected.
18. The method of claim 17, further comprising:
receiving the ACK/NACK feedback information which was fed back by the terminal device and processed through PUCCH format 1b with channel selection via PUCCH resource corresponding to the SPS PDSCH and the PDCCH in which the DL DAI value is equal to 1 sent to the terminal device according to an LTE-A ACK/NACK multiplexing transmission mapping table in response to a determination that the PDCCH in which a DL DAI is larger than 1 is missed.
19. The method of claim 17, wherein the LTE-A ACK/NACK multiplexing transmission mapping table comprises:
the LTE-A Rel-10 ACK/NACK multiplexing transmission mapping table with A=2;
wherein parameters in the mapping table comprises:
hybrid automatic repeat request (HARQ)-ACK(0) which is ACK/NACK feedback information corresponding to the SPS PDSCH;
HARQ-ACK(1) which is ACK/NACK feedback information corresponding to the PDCCH in which a DL DAI value is equal to 1;
n
PUCCH
,
0
n
PUCCH
,
0
(
1
)
(
1
)
which is SPS PUCCH format 1a/1b resource for the SPS PDSCH; and
n
PUCCH
,
1
n
PUCCH
,
1
(
1
)
(
1
)
which is PUCCH format 1a/1b resource determined according to n CCE n CCE , n CCE n CCE is the index of the first CCE occupied by the PDCCH in which the DL DAI value is equal to 1.
20. The method of claim 17, wherein the LTE-A ACK/NACK multiplexing transmission mapping table comprises:
the LTE-A Rel-10 ACK/NACK multiplexing transmission mapping table with A=2 when the terminal device is configured with downlink single codeword transmission;
the LTE-A Rel-10 ACK/NACK multiplexing transmission mapping table with A=3 when the terminal device is configured with downlink multi-codeword transmission;
wherein parameters in the mapping table comprises:
hybrid automatic repeat request (HARQ)-ACK(0) which is ACK/NACK feedback information corresponding to the SPS PDSCH;
HARQ-ACK(1) which is ACK/NACK feedback information corresponding to codeword 1 of the PDCCH in which the DL DAI value is equal to 1;
HARQ-ACK(2) which is ACK/NACK feedback information corresponding to codeword 2 of the PDCCH in which the DL DAI value is equal to 1;
n
PUCCH
,
0
n
PUCCH
,
0
(
1
)
(
1
)
which is SPS PUCCH format 1a/1b resource for the SPS PDSCH;
n
PUCCH
,
1
n
PUCCH
,
1
(
1
)
(
1
)
which is PUCCH format 1a/1b resource determined according to n CCE ,n CCE n CCE n CCE
is the index of the first CCE occupied by the PDCCH in which the DL DAI value is equal to 1; and
n
PUCCH
,
2
n
PUCCH
,
2
(
1
)
(
1
)
which is PUCCH format 1a/1b resource obtained by using n CCE +1 n CCE +1.
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SUMMARY
ClaimChart-US9241342B2-STO
Patent number:US9241342B2
Claim Chart Type : SEP Claim Chart
Price: 200 €
Note:
The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
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The information in purple was extracted from the FrandAvenue
Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
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