US9270365B2ActiveUtilityA1
User equipment, PDSCH A/N transmitting method thereof, transmission/reception point, and PDSCH A/N receiving method thereof
Est. expiryDec 16, 2031(~5.4 yrs left)· nominal 20-yr term from priority
H04W 72/23H04L 5/001H04W 72/0446H04L 5/1469H04L 1/1861H04L 5/0055H04L 1/16H04L 5/22H04J 11/0073H04J 11/0076H04B 7/2643H04L 5/14
85
PatentIndex Score
5
Cited by
20
References
15
Claims
Abstract
The present invention relates to a system that includes a transmission/reception point and a user equipment having different configurations in inter-band and performs a TDD (Time Division Duplex) method.
Claims
exact text as granted — not AI-modifiedWhat is claimed is:
1. A user equipment configured with at least two serving cells comprising a primary cell (PCell) and a secondary cell (SCell), the PCell and the SCell having different Time Division Duplex (TDD) Uplink-Downlink (UL-DL) configurations, the user equipment comprising:
a receiver to receive a physical downlink shared channel (PDSCH) transmission on the SCell;
a controller to select a reference TDD configuration for the SCell; and
a transmitter to transmit a first acknowledgement/negative acknowledgement (A/N), the first A/N being responsive to the PDSCH transmission on the SCell, wherein the reference TDD configuration for the SCell is determined based on a PCell TDD UL-DL configuration and SCell TDD UL-DL configuration pair in Table 1-1 below:
TABLE 1-1
Reference TDD configuration for SCell determined based on
a PCell TDD UL-DL configuration and SCell TDD UL-DL
configuration pair
PCell TDD UL-DL configuration
Reference TDD configuration
0
1
2
3
4
5
6
SCell TDD
0
1
2
3
4
5
6
UL-DL configuration
1
2
4
5
2
5
3
4
5
4
5
5
6
1
2
3
4
5
where each reference TDD configuration in Table 1 indicates downlink association set indexes (K: {k 0 , k 1 , . . . k M −1 }) for a subframe ‘n’ as defined in Table 2below:
TABLE 1-2
Downlink association set index K: {k 0 , k 1 , . . . k M − 1 } for TDD
UL-DL
Subframe ‘n’
Configuration
0
1
2
3
0
—
—
6
—
1
—
—
7, 6
4
2
—
—
8, 7, 4, 6
—
3
—
—
7, 6, 11
6, 5
4
—
—
12, 8, 7, 11
6, 5, 4, 7
5
—
—
13, 12, 9, 8, 7, 5, 4, 11, 6
—
6
—
—
7
7
UL-DL
Subframe ‘n’
Configuration
4
5
6
7
8
9
0
4
—
—
6
—
4
1
—
—
—
7, 6
4
—
2
—
—
—
8, 7, 4, 6
—
—
3
5, 4
—
—
—
—
—
4
—
—
—
—
—
—
5
—
—
—
—
—
—
6
5
—
—
7
7
—
where the first A/N responsive to the PDSCH transmitted in a subframe (n−k i ) (0≦i≦M−1) is transmitted in the subframe ‘n’,
wherein n, k, i, and M are integers.
2. The user equipment of claim 1 , wherein the transmitter transmits a second A/N in an uplink subframe determined by a reference TDD configuration for the PCell, the second A/N being responsive to a PDSCH transmission on the PCell,
wherein the reference TDD configuration for the PCell is the PCell TDD UL-DL configuration.
3. The user equipment of claim 1 , wherein the reference TDD configuration for the SCell is further determined based on a PCell TDD UL-DL configuration and SCell TDD UL-DL configuration pair in Table 1-3 below:
TABLE 1-3
Reference TDD configuration for SCell determined based on
a PCell TDD UL-DL configuration and SCell TDD UL-DL
configuration pair
PCell TDD UL-DL configuration
Reference TDD configuration
0
1
2
3
4
5
6
SCell TDD
0
UL-DL configuration
1
1
4
1
2
2
2
5
5
2
3
3
4
5
3
4
4
4
5
4
4
5
5
5
5
5
5
5
6
6
.
4. A method for transmitting acknowledgement/negative acknowledgement (A/N) by a user equipment configured with at least two serving cells comprising a primary cell (PCell) and a secondary cell (SCell), the PCell and the SCell having different Time Division Duplex (TDD) Uplink-Downlink (UL-DL) configurations, the method comprising:
receiving a physical downlink shared channel (PDSCH) transmission on the SCell;
selecting a reference TDD configuration for the SCell; and
transmitting a first A/N, the first A/N being responsive to the PDSCH transmission on the SCell,
wherein the reference TDD configuration for the SCell is determined based on a PCell TDD UL-DL configuration and SCell TDD UL-DL configuration pair in Table 4-1 below:
TABLE 4-1
Reference TDD configuration for SCell determined based on
a PCell TDD UL-DL configuration and SCell TDD UL-DL
configuration pair
PCell TDD UL-DL configuration
Reference TDD configuration
0
1
2
3
4
5
6
SCell TDD
0
1
2
3
4
5
6
UL-DL configuration
1
2
4
5
2
5
3
4
5
4
5
5
6
1
2
3
4
5
where each reference TDD configuration in Table 1indicates downlink association set indexes (K: {k 0 , k 1 , . . . k M−1 }) for a subframe ‘n’ as defined in Table 4-2 below:
TABLE 4-2
Downlink association set index K: {k 0 , k 1 , . . . k M − 1 } for TDD
UL-DL
Subframe ‘n’
Configuration
0
1
2
3
4
5
6
7
8
9
0
—
—
6
—
4
—
—
6
—
4
1
—
—
7, 6
4
—
—
—
7, 6
4
—
2
—
—
8, 7, 4, 6
—
—
—
—
8, 7, 4, 6
—
—
3
—
—
7, 6, 11
6, 5
5, 4
—
—
—
—
—
4
—
—
12, 8, 7, 11
6, 5, 4, 7
—
—
—
—
—
—
5
—
—
13, 12, 9, 8, 7, 5, 4, 11, 6
—
—
—
—
—
—
—
6
—
—
7
7
5
—
—
7
7
—
where the first A/N responsive to the PDSCH transmitted in a subframe (n−k i ) (0≦i≦M−1) is transmitted in the subframe ‘n’,
wherein n, k, i, and M are integers.
5. The method of claim 4 , further comprising:
transmitting a second A/N in an uplink subframe determined by a reference TDD configuration for the PCell, the second A/N being responsive to a PDSCH transmission on the PCell,
wherein the reference TDD configuration for the PCell is the PCell TDD UL-DL configuration.
6. The method of claim 4 , wherein the reference TDD configuration for the SCell is further determined based on a PCell TDD UL-DL configuration and SCell TDD UL-DL configuration pair in Table 4-3 below:
TABLE 4-3
Reference TDD configuration for SCell determined based on
a PCell TDD UL-DL configuration and SCell TDD UL-DL
configuration pair
PCell TDD UL-DL configuration
Reference TDD configuration
0
1
2
3
4
5
6
SCell TDD
0
UL-DL configuration
1
1
4
1
2
2
2
5
5
2
3
3
4
5
3
4
4
4
5
4
4
5
5
5
5
5
5
5
6
6.
7. A transmission/reception point that communicates with a user equipment configured with at least two serving cells comprising a primary cell (PCell) and a secondary cell (SCell), the PCell and the SCell having different Time Division Duplex (TDD) Uplink-Downlink (UL-DL) configurations, the transmission/reception point comprising:
a controller to select a reference TDD configuration for the SCell; and
a receiver to receive a first acknowledgement/negative acknowledgement (A/N) from the user equipment, the first A/N being responsive to a physical downlink shared channel (PDSCH) transmission on the SCell,
wherein the reference TDD configuration for the SCell is determined based on a PCell TDD UL-DL configuration and SCell TDD UL-DL configuration pair in Table 7-1 below:
TABLE 7-1
Reference TDD configuration for SCell determined based on
a PCell TDD UL-DL configuration and SCell TDD UL-DL
configuration pair
PCell TDD UL-DL configuration
Reference TDD configuration
0
1
2
3
4
5
6
SCell TDD
0
1
2
3
4
5
6
UL-DL configuration
1
2
4
5
2
5
3
4
5
4
5
5
6
1
2
3
4
5
where each reference TDD configuration in Table 7-1 indicates downlink association set indexes (K: {k 0 , k 1 , . . . k M−1 }) for a subframe ‘n’ as defined in Table 7-2 below:
TABLE 7-2
Downlink association set index K: {k 0 , k 1 , . . . k M − 1 } for TDD
UL-DL
Subframe ‘n’
Configuration
0
1
2
3
4
5
6
7
8
9
0
—
—
6
—
4
—
—
6
—
4
1
—
—
7, 6
4
—
—
—
7, 6
4
—
2
—
—
8, 7, 4, 6
—
—
—
—
8, 7, 4, 6
—
—
3
—
—
7, 6, 11
6, 5
5, 4
—
—
—
—
—
4
—
—
12, 8, 7, 11
6, 5, 4, 7
—
—
—
—
—
—
5
—
—
13, 12, 9, 8, 7, 5, 4, 11, 6
—
—
—
—
—
—
—
6
—
—
7
7
5
—
—
7
7
—
where the first A/N responsive to the PDSCH transmitted in a subframe (n−k i ) (0≦i≦M−1) is transmitted in the subframe ‘n’,
wherein n, k, i, and M are integers.
8. The transmission/reception point of claim 7 , wherein the receiver receives a second A/N from the user equipment in an uplink subframe determined by a reference TDD configuration for the PCell, the second A/N being responsive to a PDSCH transmission on the PCell,
wherein the reference TDD configuration for the PCell is the PCell TDD UL-DL configuration.
9. The transmission/reception point of claim 7 , wherein the reference TDD configuration for the SCell is further determined based on a PCell TDD UL-DL configuration and SCell TDD UL-DL configuration pair in Table 7-3 below:
TABLE 7-3
Reference TDD configuration for SCell determined based on
a PCell TDD UL-DL configuration and SCell TDD UL-DL
configuration pair
PCell TDD UL-DL configuration
Reference TDD configuration
0
1
2
3
4
5
6
SCell TDD
0
UL-DL configuration
1
1
4
1
2
2
2
5
5
2
3
3
4
5
3
4
4
4
5
4
4
5
5
5
5
5
5
5
6
6.
10. A method for receiving acknowledgement/negative acknowledgement (A/N) by a transmission/reception point that communicates with a user equipment configured with at least two serving cells comprising a primary cell (PCell) and a secondary cell (SCell), the PCell and the SCell having different Time Division Duplex (TDD) Uplink-Downlink (UL-DL) configurations, the method comprising:
selecting a reference TDD configuration for the SCell; and
receiving a first A/N from the user equipment, the first A/N being responsive to a physical downlink shared channel (PDSCH) transmission on the SCell,
wherein the reference TDD configuration for the SCell is determined based on a PCell TDD UL-DL configuration and SCell TDD UL-DL configuration pair in Table 10-1 below:
TABLE 10-1
Reference TDD configuration for SCell determined based on
a PCell TDD UL-DL configuration and SCell TDD UL-DL
configuration pair
PCell TDD UL-DL configuration
Reference TDD configuration
0
1
2
3
4
5
6
SCell TDD
0
1
2
3
4
5
6
UL-DL configuration
1
2
4
5
2
5
3
4
5
4
5
5
6
1
2
3
4
5
where each reference TDD configuration in Table 1indicates downlink association set indexes (K: {k 0 , k 1 , . . . k M −1 }) for a subframe ‘n’ as defined in Table 10-2below:
TABLE 10-2
Downlink association set index K: {k 0 , k 1 , . . . k M − 1 } for TDD
UL-DL
Subframe ‘n’
Configuration
0
1
2
3
4
5
6
7
8
9
0
—
—
6
—
4
—
—
6
—
4
1
—
—
7, 6
4
—
—
—
7, 6
4
—
2
—
—
8, 7, 4, 6
—
—
—
—
8, 7, 4, 6
—
—
3
—
—
7, 6, 11
6, 5
5, 4
—
—
—
—
—
4
—
—
12, 8, 7, 11
6, 5, 4, 7
—
—
—
—
—
—
5
—
—
13, 12, 9, 8, 7, 5, 4, 11, 6
—
—
—
—
—
—
—
6
—
—
7
7
5
—
—
7
7
—
where the first A/N responsive to the PDSCH transmitted in a subframe (n−k i ) (0≦i≦M−1) is transmitted in the subframe ‘n’,
wherein n, k, i, and M are integers.
11. The method of claim 10 , further comprising:
receiving a second A/N from the user equipment in an uplink subframe determined by a reference TDD configuration for the PCell, the second A/N being responsive to a PDSCH transmission on the PCell,
wherein the reference TDD configuration for the PCell is the PCell TDD UL-DL configuration.
12. The method of claim 10 , wherein the reference TDD configuration for the SCell is further determined based on a PCell TDD UL-DL configuration and SCell TDD UL-DL configuration pair in Table 10-3 below:
TABLE 10-3
Reference TDD configuration for SCell determined based on
a PCell TDD UL-DL configuration and SCell TDD UL-DL
configuration pair
PCell TDD UL-DL configuration
Reference TDD configuration
0
1
2
3
4
5
6
SCell TDD
0
UL-DL configuration
1
1
4
1
2
2
2
5
5
2
3
3
4
5
3
4
4
4
5
4
4
5
5
5
5
5
5
5
6
6.
13. A method for transmitting acknowledgement/negative acknowledgement (A/N) by a user equipment configured with at least two serving cells, the at least two serving cells comprising a primary cell (PCell) and a secondary cell (SCell), and the PCell and the SCell having different Time Division Duplex (TDD) Uplink-Downlink (UL-DL) configurations, the method comprising:
receiving a physical downlink shared channel (PDSCH) transmission on the SCell in a subframe ‘n−k i ’;
determining the interval ‘k i ’ between the reception of the PDSCH transmission on the SCell and a responsive A/N transmission, the interval being determined based on a reference TDD configuration for the SCell; and
transmitting the A/N responsive to the PDSCH transmission on the SCell in a subframe ‘n’ according to the interval,
wherein the reference TDD configuration for the SCell is determined based on a PCell TDD UL-DL configuration and SCell TDD UL-DL configuration pair,
wherein the PCell TDD UL-DL configuration and the SCell TDD UL-DL configuration are selected from among TDD UL-DL configurations defined in Table 13-1 below:
TABLE 13-1
TDD UL-DL configurations
Downlink-
to-
Uplink-
Uplink
downlink
Switch-
config-
point
Subframe number
uration
periodicity
0
1
2
3
4
5
6
7
8
9
0
5 ms
D
S
U
U
U
D
S
U
U
U
1
5 ms
D
S
U
U
D
D
S
U
U
D
2
5 ms
D
S
U
D
D
D
S
U
D
D
3
10 ms
D
S
U
U
U
D
D
D
D
D
4
10 ms
D
S
U
U
D
D
D
D
D
D
5
10 ms
D
S
U
D
D
D
D
D
D
D
6
5 ms
D
S
U
U
U
D
S
U
U
D
where D denotes a downlink subframe, S denotes a special subframe, and U denotes an uplink subframe,
wherein the reference TDD configuration is determined according to Table 13-2 below:
TABLE 13-2
Reference TDD configuration for SCell determined
based on a PCell TDD UL-DL configuration and
SCell TDD UL-DL configuration pair
Reference TDD
(PCell TDD UL-DL configuration, SCell TDD
configuration
UL-DL configuration)
1
(1, 0), (1, 6)
2
(2, 0), (2, 1), (2, 6)
3
(3, 0), (3, 6)
4
(4, 0), (4, 1), (4, 3), (4, 6)
5
(5, 0), (5, 1), (5, 2), (5, 3), (5, 4), (5, 6)
6
(6, 0),
and
wherein n, k, and i are integers.
14. The method of claim 13 , wherein the interval ‘k i ’εK, and K: {k 0 , k 1 , k M−1 } for the subframe ‘n’ is defined in Table 13-3 below:
TABLE 13-3
Downlink association set index K: {k 0 , k 1 , . . . K M − 1 } for TDD
UL-DL
Subframe ‘n’
Configuration
0
1
2
3
4
5
6
7
8
9
0
—
—
6
—
4
—
—
6
—
4
1
—
—
7, 6
4
—
—
—
7, 6
4
—
2
—
—
8, 7, 4, 6
—
—
—
—
8, 7, 4, 6
—
—
3
—
—
7, 6, 11
6, 5
5, 4
—
—
—
—
—
4
—
—
12, 8, 7, 11
6, 5, 4, 7
—
—
—
—
—
—
5
—
—
13, 12, 9, 8, 7, 5, 4, 11, 6
—
—
—
—
—
—
—
6
—
—
7
7
5
—
—
7
7
—
where the A/N responsive to the PDSCH transmitted in the subframe (n−k i ) (0 ≦i≦M−1) is transmitted in the subframe ‘n’,
wherein K is a set of integers and M is an integer.
15. The method of claim 14 , wherein the reference TDD configuration is determined according to Table 13-4 below:
TABLE 13-4
Reference TDD configuration for SCell determined
based on a PCell TDD UL-DL configuration and
SCell TDD UL-DL configuration pair
Reference TDD
(PCell TDD UL-DL configuration, SCell TDD
configuration
UL-DL configuration)
1
(0, 1), (6, 1)
2
(0, 2), (1, 2), (6, 2)
3
(0, 3), (6, 3)
4
(0, 4), (1, 4), (3, 4), (6, 4), (3, 1), (1, 3)
5
(0, 5), (1, 5), (2, 5), (3, 5), (4, 5), (6, 5), (3, 2),
(4, 2), (2, 3), (2, 4)
6
(0, 6).Cited by (0)
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