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Uplink power control method and apparatus

A power control and power control parameter technology, applied in the field of communication, can solve problems such as cross-interference and low system throughput, and achieve the effect of improving throughput and reducing cross-interference

Active Publication Date: 2018-04-06
HUAWEI TECH CO LTD
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  • Abstract
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Problems solved by technology

[0005] Embodiments of the present invention provide an uplink power control method and device to solve the problem of low system throughput due to cross interference between UEs in the prior art

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  • Uplink power control method and apparatus

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Embodiment Construction

[0064] The embodiment of the present invention is applicable to LTE / fifth generation network (5th Generation; 5G for short) system, figure 1 It is a frame diagram of a communication system. Such as figure 1 As shown, the communication system includes a backbone network, a core network (Core Network, referred to as: CN) and a radio access network (Radio Access Network, referred to as: RAN). The terminal accesses the RAN through a network side device, such as a base station, and passes The core network accesses the backbone network to realize data interaction with the external network or other networks.

[0065] Taking LTE as an example to illustrate the role of each network element and interface in the system architecture, figure 2 A system architecture diagram for LTE, such as figure 2 As shown, the Mobility Management Entity (Mobility Management Entity; MME for short) is a key control node in the 3rd Generation Partnership Project (3rd Generation Partnership Project; 3GP...

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Abstract

The invention provides an uplink power control method and apparatus. The method comprises the following steps: first user equipment (UE) measures a first signal on a first time frequency resource to obtain a measurement result, wherein the first signal is a signal formed by superposing second signals sent by at least one second UE on a second time frequency resource, and the time domain resourcesof the first time frequency resource belong to a first time domain resource unit; and the first UE controls the power of uplink power on the first time domain resource unit according to the measurement result. By adoption of the uplink power control method and apparatus provided by the invention, the cross interference between the UE can be reduced.

Description

technical field [0001] Embodiments of the present invention relate to communication technologies, and in particular to an uplink power control method and device. Background technique [0002] Dynamic Time Division Duplex (D-TDD for short) can dynamically adjust the configuration of TDD uplink and downlink subframes according to the requirements of different services for uplink and downlink resources, so as to achieve the purpose of optimizing resource utilization. Although dynamic TDD has the above advantages, there will be serious cross-interference in actual deployment and application, mainly including inter-network interference and user equipment (User Equipment; UE) interference, which seriously reduces the uplink performance / downlink edge performance. [0003] In the prior art, in Long Term Evolution (Long Term Evolution; LTE for short) enhanced interference management and traffic adaptation (Enhanced Interference Management and Traffic Adaptation; eIMTA for short), du...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W52/14
CPCH04W52/146H04W52/243H04B17/318
Inventor 王亚飞张弛龚政委
Owner HUAWEI TECH CO LTD
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