Method for assigning number of control channel candidates and number of blind detection times, base station, and user equipment
First Claim
1. A method for assigning the number of control channel candidates, the method comprising:
- assigning, by a base station, M enhanced physical downlink control channel (EPDCCH) candidates based on a total number of candidates of different aggregation levels supported by a maximum number of physical resource block pairs;
determining, by the base station, a first aggregation level set {L1i} and a number of EPDCCH candidates corresponding to each aggregation level in the set {L1i}, wherein the set {L1i} is formed by N aggregation levels supported by an EPDCCH, where i is a positive integer that ranges from 1 to N;
reassigning, by the base station, the M EPDCCH candidates from the maximum number of physical resource block pairs to an another number of physical resource block pairs, based on a total number of candidates of the different aggregation levels supported by the another number of physical resource block pairs and the determined number of EPDCCH candidates corresponding to each aggregation level in the {L1i}; and
determining, by the base station, a second aggregation level set {L2j} anda number of EPDCCH candidates corresponding to each aggregation level in the set {L2j}, wherein the set {L2j} is formed by M aggregation levels supported by an EPDCCH to be detected, j is a positive integer that ranges from 1 to M, the set {L2j} is a subset of the set {L1i}, M≦
N, and the number of EPDCCH candidates corresponding to L2j in the set {L2j} is greater than or equal to the number of EPDCCH candidates corresponding to L2j in the set {L1i}.
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Abstract
The present invention provides a method for assigning the number of control channel candidates and the number of blind detection times, a base station, and a user equipment. The method includes determining a first aggregation level set {L1i} and determining the number of EPDCCH candidates corresponding to each aggregation level in the {L1i}. {L1i} is formed by N aggregation levels supported by an EPDCCH. A second aggregation level set {L2j} is determined along with the number of EPDCCH candidates corresponding to each aggregation level in the {L2j}. {L2j} is formed by M aggregation levels supported by an EPDCCH to be detected, {L2j} is a subset of {L1i}, and the number of EPDCCH candidates corresponding to L2j in {L2j} is greater than or equal to the number of EPDCCH candidates corresponding to L2j in {L1i}.
23 Citations
14 Claims
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1. A method for assigning the number of control channel candidates, the method comprising:
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assigning, by a base station, M enhanced physical downlink control channel (EPDCCH) candidates based on a total number of candidates of different aggregation levels supported by a maximum number of physical resource block pairs; determining, by the base station, a first aggregation level set {L1i} and a number of EPDCCH candidates corresponding to each aggregation level in the set {L1i}, wherein the set {L1i} is formed by N aggregation levels supported by an EPDCCH, where i is a positive integer that ranges from 1 to N; reassigning, by the base station, the M EPDCCH candidates from the maximum number of physical resource block pairs to an another number of physical resource block pairs, based on a total number of candidates of the different aggregation levels supported by the another number of physical resource block pairs and the determined number of EPDCCH candidates corresponding to each aggregation level in the {L1i}; and determining, by the base station, a second aggregation level set {L2j} and a number of EPDCCH candidates corresponding to each aggregation level in the set {L2j}, wherein the set {L2j} is formed by M aggregation levels supported by an EPDCCH to be detected, j is a positive integer that ranges from 1 to M, the set {L2j} is a subset of the set {L1i}, M≦
N, and the number of EPDCCH candidates corresponding to L2j in the set {L2j} is greater than or equal to the number of EPDCCH candidates corresponding to L2j in the set {L1i}. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A base station, comprising:
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a processor; and a memory coupled to the processor, wherein the memory stores instructions to program the processor to; assign M enhanced physical downlink control channel (EPDCCH) candidates based on a total number of candidates of different aggregation levels supported by a maximum number of physical resource block pairs; determine a first aggregation level set {L1i} and a number of EPDCCH candidates corresponding to each aggregation level in the set {L1i}, wherein the set {L1i} is formed by N aggregation levels supported by an EPDCCH and i is a positive integer that ranges from 1 to N; reassign the M EPDCCH candidates from the maximum number of physical resource block pairs to an another number of physical resource block pairs, based on a total number of candidates of the different aggregation levels supported by the another number of physical resource block pairs and the determined number of EPDCCH candidates corresponding to each aggregation level in the {L1i}; and determine a second aggregation level set {L2j} and a number of EPDCCH candidates corresponding to each aggregation level in the set {L2j}, wherein the set {L2j} is formed by M aggregation levels supported by an EPDCCH to be detected, j is a positive integer that ranges from 1 to M, the set {L2j} is a subset of the set {L1i}, M≦
N, and the number of EPDCCH candidates corresponding to L2j in the set {L2j} is greater than or equal to the number of EPDCCH candidates corresponding to L2j in the set {L1i}. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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Specification