Granted Patent B2

US 12,647,217 · App. 18/285,755 · Granted Jun 2, 2026

Inventors: Kittipong Kittichokechai (Järfälla, SE); Mattias Andersson (Sundbyberg, SE); Sorour Falahati (Stockholm, SE); Bikramjit Singh (Raasepori, FI); Yufei Blankenship (Kildeer, IL)

Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)

H04L1/1854H04L5/0053H04W72/0446H04W72/11

Abstract

Claims (53)

1 . A wireless device configured to communicate with a network node, the wireless device comprising:

processing circuitry configured to:

generate a first HARQ-ACK codebook for a first uplink time slot, the first HARQ-ACK codebook including a first plurality of HARQ-ACK bits;

determine a second plurality of HARQ-ACK bits, each of the second plurality of HARQ-ACK bits being associated with a respective timing parameter, each of the second plurality of HARQ-ACK bits being mapped to a respective downlink time slot of a plurality of downlink time slots based on the respective timing parameter, wherein each of the respective timing parameters is based on a periodicity of a semi-persistent scheduling, SPS, configuration associated with each of first and second pluralities of HARQ-ACK bits;

modify the first HARQ-ACK codebook based on at least one deferred HARQ-ACK bit of the second plurality of HARQ-ACK bits; and

cause transmission of the modified first HARQ-ACK codebook during the first uplink time slot.

2 . The wireless device of claim 1 , wherein each of the first plurality of HARQ-ACK bits is associated with a respective timing parameter, each of the first plurality of HARQ-ACK bits being mapped to the first uplink time slot based on the respective timing parameter.

3 . The wireless device of claim 1 , wherein each of the at least one deferred HARQ-ACK bit has a respective deferral value less than a maximum deferral value, the respective deferral value being determined based on a delay from the respective downlink time slot to the first uplink time slot.

4 . The wireless device of claim 1 , wherein the modifying of the first HARQ-ACK codebook includes at least one of:

appending the at least one deferred HARQ-ACK bit to the first HARQ-ACK codebook; and

prepending at least one deferred HARQ-ACK bit to the first HARQ-ACK codebook.

5 . The wireless device of claim 1 , wherein the modifying of the first HARQ-ACK codebook includes:

generating a deferred HARQ-ACK codebook based on the at least one deferred HARQ-ACK bit; and

at least one of:

appending the deferred HARQ-ACK codebook to the first HARQ-ACK codebook; and

prepending the deferred HARQ-ACK codebook to the first HARQ-ACK codebook.

6 . The wireless device of claim 5 , wherein the at least one deferred HARQ-ACK bit includes a plurality of deferred HARQ-ACK bits, the generating the deferred HARQ-ACK codebook including aggregating the plurality of deferred HARQ-ACK bits.

7 . The wireless device of claim 1 , wherein the modifying of the first HARQ-ACK codebook based on the at least one deferred HARQ-ACK bit includes determining the at least one deferred HARQ-ACK bit based on a periodicity of a semi-persistent scheduling, SPS, configuration associated with the at least one deferred HARQ-ACK bit.

8 . A method implemented by a wireless device configured to communicate with a network node, the method comprising:

generating a first HARQ-ACK codebook for a first uplink time slot, the first HARQ-ACK codebook including a first plurality of HARQ-ACK bits;

determining a second plurality of HARQ-ACK bits, each of the second plurality of HARQ-ACK bits being associated with a respective timing parameter, each of the second plurality of HARQ-ACK bits being mapped to a respective downlink time slot of a plurality of downlink time slots based on the respective timing parameter, wherein each of the respective timing parameters is based on a periodicity of a semi-persistent scheduling, SPS, configuration associated with each of first and second pluralities of HARQ-ACK bits;

modifying the first HARQ-ACK codebook based on at least one deferred HARQ-ACK bit of the second plurality of HARQ-ACK bits; and

causing transmission of the modified first HARQ-ACK codebook during the first uplink time slot.

9 . The method of claim 8 , wherein each of the first plurality of HARQ-ACK bits is associated with a respective timing parameter, each of the first plurality of HARQ-ACK bits being mapped to the first uplink time slot based on the respective timing parameter.

10 . The method of claim 8 , wherein each of the at least one deferred HARQ-ACK bit has a respective deferral value less than a maximum deferral value, the respective deferral value being determined based on a delay from the respective downlink time slot to the first uplink time slot.

11 . The method of claim 8 , wherein the modifying of the first HARQ-ACK codebook includes at least one of:

appending the at least one deferred HARQ-ACK bit to the first HARQ-ACK codebook; and

prepending at least one deferred HARQ-ACK bit to the first HARQ-ACK codebook.

12 . The method of claim 8 , wherein the modifying of the first HARQ-ACK codebook includes:

generating a deferred HARQ-ACK codebook based on the at least one deferred HARQ-ACK bit; and

at least one of:

appending the deferred HARQ-ACK codebook to the first HARQ-ACK codebook; and

prepending the deferred HARQ-ACK codebook to the first HARQ-ACK codebook.

13 . The method of claim 12 , wherein the at least one deferred HARQ-ACK bit includes a plurality of deferred HARQ-ACK bits, the generating the deferred HARQ-ACK codebook including aggregating the plurality of deferred HARQ-ACK bits.

14 . The method of claim 8 , wherein the modifying of the first HARQ-ACK codebook based on the at least one deferred HARQ-ACK bit includes determining the at least one deferred HARQ-ACK bit based on a periodicity of a semi-persistent scheduling, SPS, configuration associated with the at least one deferred HARQ-ACK bit.

15 . A network node configured to communicate with a wireless device, the network node comprising:

processing circuitry configured to:

cause a transmission, to the wireless device, of a time slot configuration including a first uplink time slot and a plurality of downlink time slots; and

receive a modified first HARQ-ACK codebook from the wireless device during the first uplink time slot, the modified first HARQ-ACK codebook including a first plurality of HARQ-ACK bits associated with a first HARQ-ACK codebook and at least one deferred HARQ-ACK bit associated with a second plurality of HARQ-ACK bits, each of the first plurality of HARQ-ACK bits being mapped to the first uplink time slot based on a respective timing parameter, each of the second plurality of HARQ-ACK bits being mapped to a respective downlink time slot of the plurality of downlink time slots based on a respective timing parameter, wherein each of the respective timing parameters is based on a periodicity of a semi-persistent scheduling, SPS, configuration associated with each of first and second pluralities of HARQ-ACK bits.

16 . A method implemented by a network node configured to communicate with a wireless device, the method comprising:

causing a transmission, to the wireless device, of a time slot configuration including a first uplink time slot and a plurality of downlink time slots; and

receiving a modified first HARQ-ACK codebook from the wireless device during the first uplink time slot, the modified first HARQ-ACK codebook including a first plurality of HARQ-ACK bits associated with a first HARQ-ACK codebook and at least one deferred HARQ-ACK bit associated with a second plurality of HARQ-ACK bits, each of the first plurality of HARQ-ACK bits being mapped to the first uplink time slot based on a respective timing parameter, each of the second plurality of HARQ-ACK bits being mapped to a respective downlink time slot of the plurality of downlink time slots based on a respective timing parameter, wherein each of the respective timing parameters is based on a periodicity of a semi-persistent scheduling, SPS, configuration associated with each of first and second pluralities of HARQ-ACK bits.

17 . The method of claim 16 , wherein the method further comprises:

causing a first downlink transmission to the wireless device on a first downlink time slot of the plurality of downlink time slots, the first downlink transmission being associated with at least one of the first plurality of HARQ-ACK bits;

causing a second downlink transmission to the wireless device on a second downlink time slot of the plurality of downlink time slots, the second downlink transmission being associated with at least one of the second plurality of HARQ-ACK bits.

18 . The method of claim 16 , wherein each of the at least one deferred HARQ-ACK bit has a respective deferral value less than a maximum deferral value, the respective deferral value being associated with a delay from the respective downlink time slot to the first uplink time slot.

19 . The method of claim 16 , wherein the modified first HARQ-ACK codebook includes the at least one deferred HARQ-ACK bit, the at least one deferred HARQ-ACK bit being at least one of:

appended to the first HARQ-ACK codebook; and

prepended to the first HARQ-ACK codebook.

20 . The method of claim 16 , wherein the modified first HARQ-ACK codebook includes a deferred HARQ-ACK codebook associated with the at least one deferred HARQ-ACK bit, the deferred HARQ-ACK codebook being at least one of:

appended to the first HARQ-ACK codebook; and

prepended to the first HARQ-ACK codebook.

21 . The method of claim 20 , wherein the at least one deferred HARQ-ACK bit includes a plurality of deferred HARQ-ACK bits, the deferred HARQ-ACK codebook including an aggregation of the plurality of deferred HARQ-ACK bits.

Assignments (4)

Continuity (2)

References Cited (20)