Transmit power control in wireless communication networks
One or more first transmit power control parameters that are common to transmit power control for multiple different physical uplink channels are transmitted by a network device and received by a user equipment (UE) in a wireless communication network. The UE transmits, and the network device receives, one of the multiple different physical uplink channels. That uplink channel is transmitted at a transmit power that is based on the first transmit power control parameter(s) and one or more second transmit power control parameters that are specific to the transmit power control for the uplink channel.
1 . A method comprising:
receiving, by a user equipment (UE) in a wireless communication network, a first transmit power control parameter that is common to transmit power control for multiple different physical uplink channels;
transmitting, by the UE, one of the multiple different physical uplink channels at a transmit power that is based on the first transmit power control parameter and a second transmit power control parameter that is specific to the transmit power control for the one of the multiple different physical uplink channels.
2 . The method of claim 1 , wherein the first transmit power control parameter comprises a large time-scale parameter.
3 . The method of claim 1 , wherein the second transmit power control parameter comprises a channel-specific parameter.
4 . The method of claim 3 , wherein the channel-specific parameter comprises one or more parameters of a set of dynamic communication parameters and a set of other factors that are used to estimate a channel-specific offset.
5 . The method of claim 4 , wherein the set of dynamic communication parameters comprises one or more of:
numerology;
transmission bandwidth;
modulation and coding scheme (MCS);
channel format;
multiple-link configuration;
multiple-input multiple-output (MIMO) with active beam direction.
6 . The method of claim 4 , wherein the set of other factors comprises one or more of:
channel differentiation;
carrier frequency;
network node type;
application type;
multiple-input multiple-output (MIMO) with active beam direction.
7 . The method of claim 1 , wherein the transmit power control for the multiple different physical uplink channels is associated with a reference model that is based on the first transmit power control parameter and the second transmit power control parameter.
8 . The method of claim 1 , wherein receiving the first transmit power control parameter comprises receiving the first power control parameter in one or more of radio resource control (RRC) signaling and physical layer signaling.
9 . A user equipment (UE) for a wireless communication network, the UE comprising:
a communication interface;
a processor, coupled to the communication interface;
a non-transitory computer readable storage medium, coupled to the processor, storing programming for execution by the processor, the programming comprising instructions to:
receive a first transmit power control parameter that is common to transmit power control for multiple different physical uplink channels;
transmit one of the multiple different physical uplink channels at a transmit power that is based on the first transmit power control parameter and a second transmit power control parameter that is specific to the transmit power control for the one of the multiple different physical uplink channels.
10 . The UE of claim 9 , wherein the first transmit power control parameter comprises a large time-scale parameter.
11 . The UE of claim 9 , wherein the second transmit power control parameter comprises a channel-specific parameter.
12 . The UE of claim 11 , wherein the channel-specific parameter comprises one or more parameters of a set of dynamic communication parameters and a set of other factors that are used to estimate a channel-specific offset.
13 . The UE of claim 12 , wherein the set of dynamic communication parameters comprises one or more of:
numerology;
transmission bandwidth;
modulation and coding scheme (MCS);
channel format;
multiple-link configuration;
multiple-input multiple-output (MIMO) with active beam direction.
14 . The UE of claim 12 , wherein the set of other factors comprises one or more of:
channel differentiation;
carrier frequency;
network node type;
application type;
multiple-input multiple-output (MIMO) with active beam direction.
15 . The UE of claim 9 , wherein the transmit power control for the multiple different physical uplink channels is associated with a reference model that is based on the first transmit power control parameter and the second transmit power control parameter.
16 . The UE of claim 9 , wherein the instructions to receive the first power control parameter comprise instructions to receive the first power control parameter in one or more of radio resource control (RRC) signaling and physical layer signaling.
17 . A method comprising:
transmitting, by a network device to a user equipment (UE) in a wireless communication network, a first transmit power control parameter that is common to transmit power control at the UE for multiple different physical uplink channels;
receiving, by the network device from the UE, one of the multiple different physical uplink channels transmitted by the UE at a transmit power that is based on the first transmit power control parameter and a second transmit power control parameter that is specific to the transmit power control for the one of the multiple different physical uplink channels.
18 . The method of claim 17 , wherein the first transmit power control parameter comprises a large time-scale parameter.
19 . The method of claim 17 , wherein the second transmit power control parameter comprises a channel-specific parameter.
20 . A network device for a wireless communication network, the network device comprising:
a communication interface;
a processor, coupled to the communication interface;
a non-transitory computer readable storage medium, coupled to the processor, storing programming for execution by the processor, the programming comprising instructions to:
transmit, to a User Equipment (UE) in the wireless communication network, a first transmit power control parameter that is common to transmit power control at the UE for multiple different physical uplink channels;
receive, from the UE, one of the multiple different physical uplink channels transmitted by the UE at a transmit power that is based on the first transmit power control parameter and a second transmit power control parameter that is specific to the transmit power control for the one of the multiple different physical uplink channels.
21 . The network device of claim 20 , wherein the first transmit power control parameter comprises a large time-scale parameter.
22 . The network device of claim 20 , wherein the second transmit power control parameter comprises a channel-specific parameter.