US2022279567A1PendingUtilityA1
Node and method for downlink scheduling and hybrid automatic repeat request timing
Est. expiryAug 23, 2033(~7.1 yrs left)· nominal 20-yr term from priority
H04W 72/23H04W 72/0446H04L 5/14H04L 1/1893H04L 5/0055H04L 1/1812H04W 72/1289
75
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Claims
Abstract
Some of the example embodiments are directed towards a base station for determining a control timing configuration in order to provide a subframe timing setting for configuring downlink HARQ-ACK control timing for a cell serving a user equipment in a multiple cell communications network. The user equipment is served by a TDD based cell and a FDD based cell. Some example embodiments are directed towards user equipment for determining the control timing configuration as discussed above.
Claims
exact text as granted — not AI-modifiedWhat is claimed is:
1 . A method, in a user equipment, for determining a control timing configuration, the control timing configuration providing a subframe timing setting for configuring downlink Hybrid Automatic Retransmission Request Acknowledgment (HARQ-ACK) control timing for a cell serving the user equipment in a multiple cell communications network, the user equipment being served by a Time Division Duplex (TDD) based cell, and a Frequency Division Duplex (FDD) based cell, the method comprising:
determining a control timing configuration for a secondary cell, the secondary cell being the FDD based cell, based on a control timing configuration of a primary cell, the primary cell being the TDD based cell; and implementing the control timing configuration for downlink HARQ-ACK control timing for the secondary cell serving the user equipment.
2 . The method of claim 1 , wherein
the determining further comprising determining the control timing configuration comprises a HARQ-ACK feedback timing value of 4 for all subframes.
3 . The method of claim 1 , wherein the
the determining further comprising determining the control timing configuration to be equivalent to a TDD configuration of the primary cell.
4 . The method of claim 1 , wherein
the determining further comprising determining the control timing configuration to be one of:
configuration number 2 if the configuration number of the primary cell is one of 0, 1, 2 and 6; and
configuration 5 if the configuration number of the primary cell is one of 3, 4 and 5.
5 . The method of claim 1 , wherein
the determining further comprising determining the control timing configuration based on a first altered configuration table, wherein the first altered configuration table is:
UL-DL
Configu-
Subframe n
ration
0
1
2
3
4
5
6
7
8
9
2*
8, 7, 4,
8, 7,
6, 5
4, 6,
5
3*
7, 6, 11,
6, 5
5, 4
10, 9, 8
4*
12, 8, 7,
6, 5,
11, 10, 9
4, 7
5*
13, 12, 9,
8, 7, 5,
4, 11, 6,
10
and wherein “UL” refers to uplink and “DL” refers to downlink.
6 . The method of claim 5 , wherein the determining further comprises determining the control timing configuration to be one of:
2* if the control timing configuration of the primary cell is one of 0, 1, 2 and 6; and 5* if the control timing configuration of the primary cell is one of 3, 4 and 5.
7 . The method of claim 5 , wherein the determining further comprises determining the control timing configuration to be one of:
2* if the control timing configuration of the primary cell is one of 0 , 1 , 2 and 6 ; and N* if the control timing configuration of the primary cell is N, wherein N is an integer with a value of 3-5.
8 . The method of claim 1 ,
the determining further comprising determining the control timing configuration based on a second altered configuration table, wherein the second altered configuration table is:
UL-DL
Configu-
Subframe n
ration
0
1
2
3
4
5
6
7
8
9
1*
7, 6,5,
4
7, 6,
4
4
5, 4
2*
8, 7, 4,
8, 7,
6, 5
4, 6,
5
3*
7, 6, 11,
6, 5
5, 4
10, 9, 8
4*
12, 8, 7,
6, 5,
11, 10, 9
4, 7
5*
13, 12, 9,
8, 7, 5,
4, 11, 6,
10
wherein the control timing configuration is one of:
1* if the control timing configuration of the primary cell is one of 0 , 1 , and 6 ; and
N* if the control timing configuration of the primary cell is N, wherein N is an integer with a value of 2-5; and
wherein “UL” refers to uplink and “DL” refers to downlink.
9 . The method of claim 1 , wherein
the determining further comprising determining the control timing configuration based on a third altered configuration table, wherein the third altered configuration table is:
UL-DL
Configu-
Subframe n
ration
0
1
2
3
4
5
6
7
8
9
0*
6, 5,
4, 5
6, 5,
4, 5
4
4
1*
7, 6,
4
7, 6,
4
5, 4
5, 4
2*
8, 7,
8, 7,
4, 6,
4, 6,
5
5
3*
7, 6,
6, 5
5, 4
11, 10,
9, 8
4*
12, 8,
6, 5,
7, 11,
4, 7
10, 9
5*
13, 12,
9, 8,
7, 5,
4, 11,
6, 10
6*
7
7, 6,
5
7, 6,
7
5
5, 4
wherein the control timing configuration is N* if the control timing configuration of the primary cell is N, wherein N is an integer with a value of 0-6; and
wherein “UL” refers to uplink and “DL” refers to downlink.
10 . A user equipment for determining a control timing configuration, the control timing configuration providing a subframe timing setting for configuring downlink Hybrid Automatic Retransmission Request Acknowledgment (HARQ-ACK) control timing for a cell serving the user equipment in a multiple cell communications network, the user equipment being served by a Time Division Duplex (TDD) based cell, and a Frequency Division Duplex (FDD) based cell, the user equipment comprising:
processing circuitry configured to determine a control timing configuration for a secondary cell, the secondary cell being the FDD based cell, based on a control timing configuration of a primary cell, the primary cell being the TDD based cell; and the processing circuitry further configured to implement the control timing configuration for downlink HARQ-ACK control timing for the secondary cell serving the user equipment.
11 . The user equipment of claim 10 , wherein
the processing circuitry further configured to determine the control timing configuration comprises a HARQ-ACK feedback timing value of 4 for all subframes.
12 . The user equipment of claim 10 , wherein
the processing circuitry is further configured to determine the control timing configuration to be equivalent to a TDD configuration of the primary cell.
13 . The user equipment of claim 10 , wherein
the processing circuitry is further configured to determine the control timing configuration to be one of:
configuration number 2 if the configuration number of the primary cell is one of 0, 1, 2 and 6; and
configuration 5 if the configuration number of the primary cell is one of 3, 4 and 5.
14 . The user equipment of claim 10 , wherein
the processing circuitry is further configured to determine the control timing configuration based on a first altered configuration table, wherein the first altered configuration table is:
UL-DL
Configu-
Subframe n
ration
0
1
2
3
4
5
6
7
8
9
2*
8, 7, 4,
8, 7,
6, 5
4, 6,
5
3*
7, 6, 11,
6, 5
5, 4
10, 9, 8
4*
12, 8, 7,
6, 5,
11, 10, 9
4, 7
5*
13, 12, 9,
8, 7, 5,
4, 11, 6,
10
and wherein “UL” refers to uplink and “DL” refers to downlink.
15 . The user equipment of claim 14 , wherein the processing circuitry is further configured to determine the control timing configuration to be one of:
2* if the control timing configuration of the primary cell is one of 0, 1, 2 and 6; 5* if the control timing configuration of the primary cell is 3, 4 and 5.
16 . The user equipment of claim 14 , wherein the processing circuitry is further configured to determine the control timing configuration to be one of:
2* if the control timing configuration of the primary cell is one of 0, 1, 2 and 6; and N* if the control timing configuration of the primary cell is N, wherein N is an integer with a value of 3-5.
17 . The user equipment of claim 10 , wherein
the processing circuitry is further configured to determine the control timing configuration based on a second altered configuration table, wherein the second altered configuration table is:
UL-DL
Configu-
Subframe n
ration
0
1
2
3
4
5
6
7
8
9
1*
7, 6, 5,
4
7, 6,
4
4
5, 4
2*
8, 7, 4,
8, 7,
6, 5
4, 6,
5
3*
7, 6, 11,
6, 5
5, 4
10, 9, 8
4*
12, 8, 7,
6, 5,
11, 10, 9
4, 7
5*
13, 12, 9,
8, 7, 5,
4, 11, 6,
10
wherein the control timing configuration is one of:
1* if the control timing configuration of the primary cell is one of 0, 1, and 6; and
N* if the control timing configuration of the primary cell is N, wherein N is an integer with a value of 2-5; and
wherein “UL” refers to uplink and “DL” refers to downlink.
18 . The user equipment of claim 10 , wherein
the processing circuitry is further configured to determine the control timing configuration based on a third altered configuration table, wherein the third altered configuration table is:
UL-DL
Configu-
Subframe n
ration
0
1
2
3
4
5
6
7
8
9
0*
6, 5,
4, 5
6, 5,
4, 5
4
4
1*
7, 6,
4
7, 6,
4
5, 4
5, 4
2*
8, 7,
8, 7,
4, 6,
4, 6,
5
5
3*
7, 6,
6, 5
5, 4
11, 10,
9, 8
4*
12, 8,
6, 5,
7, 11,
4, 7
10, 9
5*
13, 12,
9, 8,
7, 5,
4, 11,
6, 10
6*
7
7, 6,
5
7, 6,
7
5
5, 4
wherein the control timing configuration is N* if the control timing configuration of the primary cell is N, wherein N is an integer with a value of 0-6; and
wherein “UL” refers to uplink and “DL” refers to downlink.Join the waitlist — get patent alerts
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