Abstract
A method and apparatus for feeding back and receiving acknowledgment (ACK) information of semi-persistent scheduling (SPS) data packets are disclosed. The method for feeding back ACK information of SPS data packets includes receiving an uplink downlink assignment index (UL DAI) from a base station (BS) wherein the UL DAI indicates a number (N) of downlink data packets mapping acknowledgements/negative acknowledgements (ACKs/NAKs) of k SPS data packets of the downlink data packets to positions from the (N?k+1)th ACK/NAK to the Nth ACK/NAK and feeding back N ACKs/NAKs to the BS.
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Specification Information
Specification Information
Technologies
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Technologies
Resource configuration Scheduling Feedback
Product
Base Station (eNB/gNB)
Use Cases
Wireless communication
Services
Transmitting/receiving data in uplink
Claim
1. A method for a user equipment (UE) to feed back acknowledgement (ACK) information of semi-persistent scheduling (SPS) data packets, comprising:
receiving an uplink data assignment indicator (UL DAI) from a base station (BS), wherein the UL DAI indicates a number (N) of downlink data packets sent by the BS, wherein the number N is greater than 1, and wherein a number k (k
sending the feedback signal to the BS starting from the ACK/NAK at the first position.', 'receiving an uplink data assignment indicator (UL DAI) from a base station (BS), wherein the UL DAI indicates a number (N) of downlink data packets sent by the BS, wherein the number N is greater than 1, and wherein a number k (k
2. The method of claim 1, wherein Nâx88x92k ACKs/NAKs of non-SPS data packets of the downlink data packets is/are placed from the first position of the N ACKs/NAKs.
3. The method of claim 2, further comprising:
receiving a downlink data assignment indicator (DL DAI) from the BS, wherein the DL DAI indicates that a downlink data packet is an Mth non-SPS data packet of the downlink data packets (Mâx89¦Nâx88x92k);
wherein an ACK/NAK of the Mth non-SPS data packet is placed at a Mth position of the N ACKs/NAKs.', 'receiving a downlink data assignment indicator (DL DAI) from the BS, wherein the DL DAI indicates that a downlink data packet is an Mth non-SPS data packet of the downlink data packets (Mâx89¦Nâx88x92k);', 'wherein an ACK/NAK of the Mth non-SPS data packet is placed at a Mth position of the N ACKs/NAKs.
4. The method of claim 2, wherein a SPS data packet is a data packet without a resource scheduling index, and a non-SPS data packet is a data packet with a resource scheduling index.
6. The method of claim 1, wherein sending the feedback signal to the BS comprises:
sending the feedback signal to the BS in a physical downlink shared channel (PDSCH).', 'sending the feedback signal to the BS in a physical downlink shared channel (PDSCH).
8. A user equipment (UE), comprising:
a receiving unit, configured to receive an uplink data assignment indicator (UL DAI) from a base station (BS), wherein the UL DAI indicates a number (N) of downlink data packets sent by the BS, wherein the number N is greater than 1, and wherein a number k (k
a feedback transmitting unit, configured to send the feedback signal to the BS starting from the ACK/NAK at the first position.', 'a receiving unit, configured to receive an uplink data assignment indicator (UL DAI) from a base station (BS), wherein the UL DAI indicates a number (N) of downlink data packets sent by the BS, wherein the number N is greater than 1, and wherein a number k (k
9. The UE of claim 8, wherein the processing unit is further configured to place Nâx88x92k-ACKs/NAKs of non-SPS data packets of the downlink data packets from the first positions of the N ACKs/NAKs
10. The UE of claim 8, wherein the receiving unit is further configured to receive a downlink data assignment indicator (DL DAI) from the BS, wherein the DL DAI indicates that a downlink data packet is an Mth non-SPS data packet of the downlink data packets (Mâx89¦Nâx88x92k);
wherein an ACK/NAK of the Mth non-SPS data packet is placed at a Mth position of the N ACKs/NAKs.', 'wherein an ACK/NAK of the Mth non-SPS data packet is placed at a Mth position of the N ACKs/NAKs
11. The UE of claim 9, wherein a SPS data packet is a data packet without a resource scheduling index, and a non-SPS data packet is a data packet with a resource scheduling index
13. The UE of claim 8, wherein the feedback signal is sent to the BS in a physical downlink shared channel (PDSCH)
15. A computer program product comprising a non-transitory computer readable storage medium storing program codes thereon for use by a user equipment (UE), wherein the program codes comprise:
instructions for receiving an uplink data assignment indicator (UL DAI) from a base station (BS), wherein a value of the UL DAI indicates a number (N) of downlink data packets sent by the BS, wherein the number N is greater than 1, and wherein a number k (k
instructions for sending the feedback signal to the BS starting from the ACK/NAK at the first position.', 'instructions for receiving an uplink data assignment indicator (UL DAI) from a base station (BS), wherein a value of the UL DAI indicates a number (N) of downlink data packets sent by the BS, wherein the number N is greater than 1, and wherein a number k (k
17. The computer program product of claim 15, wherein Nâx88x92k ACKs/NAKs of non-SPS data packets of the downlink data packets is/are placed from the first position of the N ACKs/NAKs.']
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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.
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