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Power adjustment and power parameter configuration method, terminal and base station equipment

A power adjustment and power configuration technology, applied in power management, electrical components, multi-frequency code system, etc., can solve problems such as uplink power waste

Inactive Publication Date: 2015-11-25
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the introduction of independent scheduling, the two carriers cannot dynamically share uplink scheduling information and corresponding power control information. If the maximum power value is configured independently for the two carriers, the uplink power will be limited and wasted.
If there is no independent restriction, the channels configured by the two eNBs will cause the terminal to send the channel power on the two eNBs and exceed the maximum power value supported by the terminal

Method used

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  • Power adjustment and power parameter configuration method, terminal and base station equipment
  • Power adjustment and power parameter configuration method, terminal and base station equipment
  • Power adjustment and power parameter configuration method, terminal and base station equipment

Examples

Experimental program
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Embodiment 1

[0325] Such as Figure 3a and Figure 3b As shown, P0+P1 Figure 3a Among them, SP0+PX1>PCMAX, the smaller one of P1 and PX1 is PX1, and the difference between PCMAX and PX1 is smaller than SP0, so according to TP0=min[SP0, PCMAX-min(P1, PX1)], the adjusted The value of the transmit power TP0 of the uplink channel corresponding to CG0 is equal to the difference between PCMAX and PX1. exist Figure 3b Among them, SP1+PX0>PCMAX, the smaller one of P0 and PX0 is P0, and the difference between PCMAX and PX0 is greater than SP1, so according to TP1=min[SP1, PCMAX-min(P0, PX0)], the adjusted The value of the transmit power TP1 of the uplink channel corresponding to CG1 is equal to the value of SP1.

Embodiment 2

[0327] Such as Figure 4a and Figure 4b As shown, P0+P1 Figure 4a Among them, SP0+PX1>PCMAX, the smaller one of P1 and PX1 is P1, and the difference between PCMAX and P1 is greater than SP0, so according to TP0=min[SP0, PCMAX-min(P1, PX1)], the adjusted The value of the transmit power TP0 of the uplink channel corresponding to CG0 is equal to the value of SP0. exist Figure 4b Among them, SP1+PX0>PCMAX, the smaller one of P0 and PX0 is P0, and the difference between PCMAX and P0 is greater than SP1, so according to TP1=min[SP1, PCMAX-min(P0, PX0)], the adjusted The value of the transmit power TP1 of the uplink channel corresponding to CG1 is equal to the value of SP1

Embodiment 3

[0329] Such as Figure 5a and Figure 5b As shown, P0+P1 Figure 5a Among them, SP0+PX1>PCMAX, the smaller one of P1 and PX1 is P1, and the difference between PCMAX and P1 is greater than SP0, so according to TP0=min[SP0, PCMAX-min(P1, PX1)], the adjusted The value of the transmit power TP0 of the uplink channel corresponding to CG0 is equal to the value of SP0. exist Figure 5b Among them, SP1+PX0>PCMAX, the smaller one of P0 and PX0 is P0, and the difference between PCMAX and P0 is smaller than SP1, so according to TP1=min[SP1, PCMAX-min(P0, PX0)], the adjusted The value of the transmit power TP1 of the uplink channel corresponding to CG1 is equal to the difference between PCMAX and P0.

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Abstract

Disclosed is a power adjustment method. The method comprises: when knowing that transmission of an uplink channel by a terminal to a subframe of a first cell group corresponding to a first base station and transmission of an uplink channel by the terminal to a subframe of a second cell group corresponding to a second base station have a time domain overlapping part, and knowing that the sum of uplink transmit power set by the first cell group for the terminal and uplink transmit power set by the second cell group for the terminal is greater than maximum transmit power supported by the terminal, acquiring predefined information; and adjusting the uplink transmit power of the first cell group and the uplink transmit power of the second cell group according to the predefined information, the predefined information comprising a power configuration value of the first cell group and / or a power configuration value of the second cell group, and a power value of the time domain overlapping part. Also disclosed are a power parameter configuration method, a terminal, a base station, a system, and a related storage medium.

Description

technical field [0001] The present invention relates to the field of wireless communication, in particular to a method for power adjustment, a method for configuring power parameters, a terminal, a base station device and a system for an LTE-Advanced (Longtermevolutionadvanced) system during dual-link multi-carrier transmission. Background technique [0002] In the long-term evolution (LTE, Longtermevolution) system, the uplink channels of the terminal include a physical uplink shared channel (PUSCH, PhysicalUplinkSharedChannel), a physical uplink control channel (PUCCH, PhysicalUplinkControlChannel) and a physical random access channel (PRACH, PhysicalRandomAccessChannel). Among them, data information, scheduling request (SR, SchedulingRequest), hybrid automatic repeat request (HARQ, HybridAutomaticRepeatRequest) and channel state information (CSI, ChannelStateInformation) can be transmitted in PUSCH, SR (scheduling request), HARQ (hybrid Automatic Repeat Request) and CSI (...

Claims

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Application Information

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IPC IPC(8): H04W52/14H04W52/34
CPCH04L27/26
Inventor 郭森宝陈光磊刘轶左志松张峻峰
Owner ZTE CORP
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