TRANSMISSIONS/RECEPTIONS OF UPLINK ACKNOWLEDGEMENT SIGNALS IN WIRELESS NETWORKS
First Claim
1. For use in a wireless communication network, an apparatus comprising:
- a user equipment (UE) configured to communicate with a plurality of serving cells with at least a first serving cell and a second serving cell, the UE configured to operate in at least two carrier frequencies;
the UE comprising processing circuitry configured to;
detect one or more scheduling assignments for receiving one or more respective physical downlink shared channels (PDSCHs) from a respective one or more of the plurality of serving cells;
receive the one or more PDSCHs from the respective one or more of the plurality of serving cells based on the one or more scheduling assignments; and
transmit hybrid automatic repeat request acknowledgment (HARQ-ACK) information on a physical uplink control channel (PUCCH) in response to receiving the one or more PDSCHs;
wherein the processing circuitry is configured to utilize a first power control loop to determine an uplink transmission power for the PUCCH when the UE receives PDSCH only from the first serving cell, the first power control loop configured to use a path-loss reference derived from a received power of a reference signal transmitted in the first serving cell, a transmission power control (TPC) command of a TPC field included in a scheduling assignment for the PDSCH reception in the first serving cell, and a first set of open loop power control parameters; and
wherein the processing circuitry is configured to utilize a second power control loop to determine an uplink transmission power for the PUCCH when the UE receives PDSCH at least from the second serving cell, the second power control loop configured to use a path-loss reference derived from a received power of a reference signal transmitted in the second serving cell, a TPC command of a TPC field included in a scheduling assignment for the PDSCH reception in the second serving cell, and a second set of open loop power control parameters.
2 Assignments
0 Petitions
Accused Products
Abstract
An apparatus for use in a wireless communication network includes a UE configured to communicate with a plurality of serving cells with at least a first serving cell and a second serving cell. The UE is configured to operate in at least two carrier frequencies. The UE includes processing circuitry. The processing circuitry is configured to detect one or more scheduling assignments for receiving one or more respective PDSCHs from a respective one or more of the plurality of serving cells. The processing circuitry is also configured to receive the one or more PDSCHs from the respective one or more of the plurality of serving cells based on the one or more scheduling assignments. The processing circuitry is further configured to transmit HARQ-ACK information on a PUCCH in response to receiving the one or more PDSCHs. The processing circuitry is configured to utilize first and second power control loops.
-
Citations
20 Claims
-
1. For use in a wireless communication network, an apparatus comprising:
-
a user equipment (UE) configured to communicate with a plurality of serving cells with at least a first serving cell and a second serving cell, the UE configured to operate in at least two carrier frequencies; the UE comprising processing circuitry configured to; detect one or more scheduling assignments for receiving one or more respective physical downlink shared channels (PDSCHs) from a respective one or more of the plurality of serving cells; receive the one or more PDSCHs from the respective one or more of the plurality of serving cells based on the one or more scheduling assignments; and transmit hybrid automatic repeat request acknowledgment (HARQ-ACK) information on a physical uplink control channel (PUCCH) in response to receiving the one or more PDSCHs; wherein the processing circuitry is configured to utilize a first power control loop to determine an uplink transmission power for the PUCCH when the UE receives PDSCH only from the first serving cell, the first power control loop configured to use a path-loss reference derived from a received power of a reference signal transmitted in the first serving cell, a transmission power control (TPC) command of a TPC field included in a scheduling assignment for the PDSCH reception in the first serving cell, and a first set of open loop power control parameters; and wherein the processing circuitry is configured to utilize a second power control loop to determine an uplink transmission power for the PUCCH when the UE receives PDSCH at least from the second serving cell, the second power control loop configured to use a path-loss reference derived from a received power of a reference signal transmitted in the second serving cell, a TPC command of a TPC field included in a scheduling assignment for the PDSCH reception in the second serving cell, and a second set of open loop power control parameters. - View Dependent Claims (2, 3, 4, 5, 6)
-
-
7. A method for managing a hybrid automatic repeat request acknowledgment in a wireless network, the method comprising:
-
operating a user equipment (UE) in at least two carrier frequencies; detecting one or more scheduling assignments for receiving one or more respective physical downlink shared channels (PDSCHs) from a respective one or more of the plurality of serving cells; receiving the one or more PDSCHs from the respective one or more of the plurality of serving cells based on the one or more scheduling assignments; transmitting hybrid automatic repeat request acknowledgment (HARQ-ACK) information on a physical uplink control channel (PUCCH) in response to receiving the one or more PDSCHs; utilizing a first power control loop to determine an uplink transmission power for the PUCCH when the UE receives PDSCH only from the first serving cell, the first power control loop using a path-loss reference derived from a received power of a reference signal transmitted in the first serving cell, a transmission power control (TPC) command of a TPC field included in a scheduling assignment for the PDSCH reception in the first serving cell, and a first set of open loop power control parameters; and utilizing a second power control loop to determine an uplink transmission power for the PUCCH when the UE receives PDSCH at least from the second serving cell, the second power control loop using a path-loss reference derived from a received power of a reference signal transmitted in the second serving cell, a TPC command of a TPC field included in a scheduling assignment for the PDSCH reception in the second serving cell, and a second set of open loop power control parameters. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15)
-
-
16. A non-transitory computer readable medium embodying computer readable program code for performing a method that comprises:
-
operating a user equipment (UE) in at least two carrier frequencies; detecting one or more scheduling assignments for receiving one or more respective physical downlink shared channels (PDSCHs) from a respective one or more of the plurality of serving cells; receiving the one or more PDSCHs from the respective one or more of the plurality of serving cells based on the one or more scheduling assignments; transmitting hybrid automatic repeat request acknowledgment (HARQ-ACK) information on a physical uplink control channel (PUCCH) in response to receiving the one or more PDSCHs; utilizing a first power control loop to determine an uplink transmission power for the PUCCH when the UE receives PDSCH only from the first serving cell, the first power control loop using a path-loss reference derived from a received power of a reference signal transmitted in the first serving cell, a transmission power control (TPC) command of a TPC field included in a scheduling assignment for the PDSCH reception in the first serving cell, and a first set of open loop power control parameters; and utilizing a second power control loop to determine an uplink transmission power for the PUCCH when the UE receives PDSCH at least from the second serving cell, the second power control loop using a path-loss reference derived from a received power of a reference signal transmitted in the second serving cell, a TPC command of a TPC field included in a scheduling assignment for the PDSCH reception in the second serving cell, and a second set of open loop power control parameters.
-
-
17. For use in a wireless communication network, an apparatus comprising:
-
an eNodeB configured to communicate with a user equipment (UE) on at least one of two or more carrier frequencies, the eNodeB comprising a plurality of serving cells comprising at least a first serving and a second serving cell; the eNodeB comprising processing circuitry configured to; transmit one or more scheduling assignments for one or more respective physical downlink shared channels (PDSCHs) to the UE transmit the one or more PDSCHs to the UE based on the one or more scheduling assignments; and receive hybrid automatic repeat request acknowledgment (HARQ-ACK) information on a physical uplink control channel (PUCCH) in response to the UE receiving the one or more PDSCHs; wherein the UE is configured to utilize a first power control loop to determine an uplink transmission power for the PUCCH when the UE receives PDSCH only from the first serving cell, the first power control loop configured to use a path-loss reference derived from a received power of a reference signal transmitted in the first serving cell, a transmission power control (TPC) command of a TPC field included in a scheduling assignment for the PDSCH reception in the first serving cell, and a first set of open loop power control parameters; and wherein the UE is configured to utilize a second power control loop to determine an uplink transmission power for the PUCCH when the UE receives PDSCH at least from a second serving cell, the second power control loop configured to use a path-loss reference derived from a received power of a reference signal transmitted in the second serving cell, a TPC command of a TPC field included in a scheduling assignment for the PDSCH reception in the second serving cell, and a second set of open loop power control parameters. - View Dependent Claims (18, 19, 20)
-
Specification