Method and apparatus for hybrid automatic repeat request acknowledgment codebook transmission and reception
The disclosure relates to a 5 th Generation (5G) or 6 th Generation (6G) communication system for supporting a higher data transmission rate. A method performed by a user equipment (UE) is provided. The method includes receiving, by the UE, a physical downlink control channel (PDCCH), wherein the received PDCCH includes downlink control information (DCI) for scheduling one or more physical downlink shared channels (PDSCHs), receiving, by the UE, one or more PDSCHs according to the received DCI, determining and transmitting, by the UE, a hybrid automatic repeat request acknowledgment (HARQ-ACK) codebook for one or more PDSCHs according to the received PDSCHs and PDCCH.
1. A method performed by a user equipment (UE) in a communication system, the method comprising:
receiving, via higher layer signaling, a time domain bundling configuration to enable bundling corresponding to a logical AND operation for a semi-static hybrid automatic repeat request acknowledgement (HARQ-ACK) codebook;
receiving, via the higher layer signaling, a time domain duplex (TDD) configuration;
receiving downlink control information (DCI) including information indicating a row including more than one starting and length values (SLIVs) of a time domain resource allocation (TDRA) table;
determining candidate physical downlink shared channel (PDSCH) reception occasions for the semi-static HARQ-ACK codebook;
determining a HARQ-ACK information bit in the semi-static HARQ-ACK codebook associated with a candidate PDSCH reception occasion based on performing the logical AND operation of HARQ-ACK information bits corresponding to a plurality of PDSCHs, wherein the plurality of PDSCHs, that do not overlap with an uplink (UL) symbol identified by the TDD configuration, are scheduled by the DCI; and
transmitting the semi-static HARQ-ACK codebook.
2. The method of claim 1 ,
wherein, for each slot of a downlink (DL) slot set, at least one symbol of each PDSCH time resource derived by a row r of a set R′ is configured as UL by the TDD configuration, a set R is set as R\r and the set R′ is set as R′r for determining the candidate PDSCH reception occasions, and
wherein the set R′ includes a plurality of SLIVs of rows in the TDRA table, and the set R includes last SLIVs of the rows.
3. The method of claim 2 ,
wherein a number of slots in the DL slot set is associated with a value ΔK 0,r (d), and
wherein
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is cardinality of ΔK 0,r , K 0,r is slot offset K 0 values for the row r.
4. The method of claim 2 ,
wherein the semi-static HARQ-ACK codebook is transmitted via a physical uplink control channel (PUCCH) in an UL slot n U , and
wherein each slot of the DL slot set corresponds to a value plus n D −ΔK 0,r (d), where:
the value corresponds to a smallest index of a DL slot overlapping with an UL slot n U −K 1,k ,
k is an index of slot timing values K 1,k ,
n D is an index of a DL slot overlapping with an UL slot, and
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1
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5. The method of claim 1 ,
wherein in case that a PDSCH associated with the candidate PDSCH reception occasion is associated with a last SLIV among the more than one SLIVs included in the row indicated by the information, the HARQ-ACK information bit is determined based on performing the logical AND operation of the HARQ-ACK information bits corresponding to the plurality of PDSCHs, and
wherein in case that the PDSCH associated with the candidate PDSCH reception occasion is not associated with the last SLIV, the HARQ-ACK information bit is determined as negative ACK (NACK).
6. A user equipment (UE) in a communication system, the UE comprising:
a transceiver; and
a processor coupled with the transceiver and configured to:
receive, via higher layer signaling, a time domain bundling configuration to enable bundling corresponding to a logical AND operation for a semi-static hybrid automatic repeat request acknowledgement (HARQ-ACK) codebook;
receive, via the higher laver signaling, a time domain duplex (TDD) configuration;
receive downlink control information (DCI) including information indicating a row including more than one starting and length values (SLIVs) of a time domain resource allocation (TDRA) table;
determine candidate physical downlink shared channel (PDSCH) reception occasions for the semi-static HARQ-ACK codebook;
determine a HARQ-ACK information bit in the semi-static HARQ-ACK codebook associated with a candidate PDSCH reception occasion based on performing a logical AND operation of HARQ-ACK information bits corresponding to a plurality of PDSCHs, wherein the plurality of PDSCHs, that do not overlap with an uplink (UL) symbol identified by the TDD configuration, are scheduled by the DCI; and
transmit the semi-static HARQ-ACK codebook.
7. The UE of claim 6 ,
wherein for each slot of a downlink (DL) slot set, at least one symbol of each PDSCH time resource derived by a row r of a set R′ is configured as UL by the TDD configuration, a set R is set as R\r and the set R′ is set as R′\r for determining the candidate PDSCH reception occasions, and
wherein the set R′ includes a plurality of SLIVs of rows in the TDRA table, and the set R includes last SLIVs of the rows.
8. The UE of claim 7 ,
wherein a number of the slots is associated with a value ΔK 0,r (d), and
wherein
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=
0
,
1
,
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is cardinality of ΔK 0,r , K 0,r is slot offset K 0 values for the row r.
9. The UE of claim 6 ,
wherein in case that a PDSCH associated with the candidate PDSCH reception occasion is associated with a last SLIV among the more than one SLIVs included in the row indicated by the information, the HARQ-ACK information bit is determined based on performing the logical AND operation of the HARQ-ACK information bits corresponding to the plurality of PDSCHs, and
wherein in case that the PDSCH associated with the candidate PDSCH reception occasion is not associated with the last SLIV, the HARQ-ACK information bit is determined as negative ACK (NACK).
10. The UE of claim 6 ,
wherein the semi-static HARQ-ACK codebook is transmitted via a physical uplink control channel (PUCCH) in an UL slot n U , and
wherein each slot of the DL slot set corresponds to a value plus n D −ΔK 0,r (d), where:
the value corresponds to a smallest index of a DL slot overlapping with an UL slot n U −K 1,k ,
k is an index of slot timing values K 1,k ,
n D is an index of a DL slot overlapping with an UL slot, and
d
=
0
,
1
,
…
,
C
"\"\!\(\*StyleBox[\"C\",AutoStyleWords->{},FontSlant->Italic]\)\""
(
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is slot offset K 0 values for the row r.
11. A method performed by a base station (BS) in a communication system, the method comprising:
transmitting, via higher layer signaling, a time domain bundling configuration information to enable bundling corresponding to a logical AND operation for a semi-static hybrid automatic repeat request acknowledgement (HARQ-ACK) codebook;
transmitting, via the higher layer signaling, a time domain duplex (TDD) configuration;
transmitting downlink control information (DCI) including information indicating a row including more than one starting and length values (SLIVs) of a time domain resource allocation (TDRA) table; and
receiving the semi-static HARQ-ACK codebook,
wherein the semi-static HARQ-ACK codebook includes a HARQ-ACK information bit associated with a candidate physical downlink shared channel (PDSCH) reception occasion among candidate PDSCH reception occasions for the semi-static HARQ-ACK codebook,
wherein the HARQ-ACK information bit is identical to a result of a logical AND operation of HARQ-ACK information bits corresponding to a plurality of PDSCHs,
and
wherein the plurality of PDSCHs that do not overlap with an UL symbol configured by the TDD configuration are scheduled by the DCI.
12. The method of claim 11 ,
wherein, for each slot of a downlink (DL) slot set, at least one symbol of each PDSCH time resource derived by a row r of a set R′ is configured as UL by the TDD configuration, a set R is set as R\r and the set R′ is set as R′\r for the candidate PDSCH reception occasions, and
wherein the set R′ includes a plurality of SLIVs of rows in the TDRA table, and the set R includes last SLIVs of the rows.
13. The method of claim 12 ,
″″ ″″ wherein a number of slots in the DL slot set is associated with a value ΔK 0,r (d), and
wherein
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14. The method of claim 11 ,
wherein in case that a PDSCH associated with the candidate PDSCH reception occasion is associated with a last SLIV among the more than one SLIVs included in the row indicated by the information, the HARQ-ACK information bit is identical to the result of the logical AND operation of the HARQ-ACK information bits corresponding to the plurality of PDSCHs, and
wherein in case that the PDSCH associated with the candidate PDSCH reception occasion is not associated with the last SLIV, the HARQ-ACK information bit corresponds to negative ACK (NACK).
15. The method of claim 11 ,
wherein the semi-static HARQ-ACK codebook is received via a physical uplink control channel (PUCCH) in an UL slot n U , and
wherein each slot of the DL slot set corresponds to a value plus n D −ΔK 0,r (d), where:
the value corresponds to a smallest index of a DL slot overlapping with an UL slot n U −K 1,k ,
k is an index of slot timing values K 1,k ,
n D is an index of a DL slot overlapping with an UL slot, and
d
=
0
,
1
,
…
,
C
"\"\!\(\*StyleBox[\"C\",AutoStyleWords->{},FontSlant->Italic]\)\""
(
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is cardinality of
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0
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is slot offset K 0 values for the row r.
16. A base station (BS) in a communication system, the BS comprising:
a transceiver; and
a processor coupled with the transceiver and configured to:
transmit, via higher laver signaling, a time domain bundling configuration information to enable bundling corresponding to a logical AND operation for a semi-static hybrid automatic repeat request acknowledgement (HARQ-ACK) codebook;
transmit, via the higher laver signaling, a time domain duplex (TDD) configuration;
transmit downlink control information (DCI) including information indicating a row including more than one starting and length values (SLIVs) of a time domain resource allocation (TDRA) table; and
receive the semi-static HARQ-ACK codebook;
wherein the semi-static HARQ-ACK codebook includes a HARQ-ACK information bit associated with a candidate physical downlink shared channel (PDSCH) reception occasion among candidate PDSCH reception occasions for the semi-static HARQ-ACK codebook;
wherein the HARQ-ACK information bit is identical to a result of a logical AND operation of HARQ-ACK information bits corresponding to a plurality of PDSCHs, and
wherein the plurality of PDSCHs, that do not overlap with an UL symbol configured by the TDD configuration are scheduled by the DCI.
17. The BS of claim 16 ,
wherein for each slot of a downlink (DL) slot set, at least one symbol of each PDSCH time resource derived by a row r of a set R′ is configured as UL by the TDD configuration, a set R is set as R\r and the set R′ is set as R′\r for the candidate PDSCH reception occasions, and
wherein the set R′ includes a plurality of SLIVs of rows in the TDRA table, and the set R includes last SLIVs of the rows.
18. The BS of claim 17 ,
″″ ″″ wherein a number of slots in the DL slot set is associated with a value ΔK 0,r (d), and
wherein
d
=
0
,
1
,
…
,
𝒞
(
Δ
K
0
,
r
)
-
1
,
Δ
K
0
,
r
=
max
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0
(
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,
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)
-
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0
,
r
,
𝒞
(
Δ
K
0
,
r
)
is cardinality of ΔK 0,r , K 0,r is slot offset K 0 values for the row r.
19. The BS of claim 16 ,
wherein in case that a PDSCH associated with the candidate PDSCH reception occasion is associated with a last SLIV among the more than one SLIVs included in the row indicated by the information, the HARQ-ACK information bit is identical to the result of the logical AND operation of the HARQ-ACK information bits corresponding to the plurality of PDSCHs, and
wherein in case that the PDSCH associated with the candidate PDSCH reception occasion is not associated with the last SLIV, the HARQ-ACK information bit corresponds to negative ACK (NACK).
20. The BS of claim 16 ,
wherein the semi-static HARQ-ACK codebook is received via a physical uplink control channel (PUCCH) in an UL slot n U , and
wherein each slot of the DL slot set corresponds to a value plus n D −ΔK 0,r (d), where:
the value corresponds to a smallest index of a DL slot overlapping with an UL slot n U −K 1,k ,
k is an index of slot timing values K 1,k ,
n D is an index of a DL slot overlapping with an UL slot, and
d
=
0
,
1
,
…
,
𝒞
(
Δ
K_
0,
r
"\"0,\!\(\*StyleBox[\"r\",AutoStyleWords->{},FontSlant->Italic]\)\""
-
1
,
Δ
K
0
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=
max
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(
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,
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)
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0
,
r
,
𝒞
(
Δ
K_
0,
r
"\"0,\!\(\*StyleBox[\"r\",AutoStyleWords->{},FontSlant->Italic]\)\""
)
is cardinality of ΔK 0,r , K 0,r is slot offset K 0 values for the row r.