CN103548285A - 功率控制方法及相应的基站 - Google Patents

功率控制方法及相应的基站 Download PDF

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Publication number
CN103548285A
CN103548285A CN200780102426.6A CN200780102426A CN103548285A CN 103548285 A CN103548285 A CN 103548285A CN 200780102426 A CN200780102426 A CN 200780102426A CN 103548285 A CN103548285 A CN 103548285A
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China
Prior art keywords
user terminal
signal
base station
threshold value
transmit power
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CN200780102426.6A
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CN103548285B (zh
Inventor
吴克颖
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Nokia Shanghai Bell Co Ltd
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Alcatel Lucent Shanghai Bell Co Ltd
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Publication of CN103548285A publication Critical patent/CN103548285A/zh
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/38—TPC being performed in particular situations
    • H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0452—Multi-user MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H04W52/146—Uplink power control

Abstract

本发明提出了用于对配对成进行虚拟多输入多输出传输的各用户终端的发送功率进行控制的功率控制方法及相应的基站。在本发明中，首先确定在用于各用户终端的特定指标满足所要求的阈值的情况下，使各用户终端的发送功率之和最小的各用户终端的发送功率；然后将上述确定的各用户终端的发送功率反馈给各用户终端。根据本发明，与现有技术相比较，能达到较好的功率效率。

Description

PCT国内申请，说明书已公开。

Claims (1)

  1. PCT国内申请，权利要求书已公开。
CN200780102426.6A 2007-07-23 2007-07-23 功率控制方法及相应的基站 Active CN103548285B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2007/002232 WO2009012615A1 (fr) 2007-07-23 2007-07-23 Procédé de commande d'alimentation et station de base correspondante

Publications (2)

Publication Number Publication Date
CN103548285A true CN103548285A (zh) 2014-01-29
CN103548285B CN103548285B (zh) 2016-03-23

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Family Applications (1)

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CN200780102426.6A Active CN103548285B (zh) 2007-07-23 2007-07-23 功率控制方法及相应的基站

Country Status (5)

Country Link
US (1) US8396502B2 (zh)
EP (1) EP2173041B1 (zh)
KR (1) KR101374580B1 (zh)
CN (1) CN103548285B (zh)
WO (1) WO2009012615A1 (zh)

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WO2017177757A1 (zh) * 2016-04-12 2017-10-19 中兴通讯股份有限公司 虚拟多输入多输出通信方法、装置及系统

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CN101989874B (zh) * 2009-07-31 2014-07-16 中兴通讯股份有限公司 一种多用户多输入多输出的配对方法及装置
KR20130104369A (ko) 2012-03-13 2013-09-25 삼성전자주식회사 협력 전송 기반의 다중 안테나 시스템에서의 전송 파워 결정 방법
US9491711B2 (en) 2012-07-06 2016-11-08 Telefonaktiebolaget L M Ericsson Methods and nodes for multiple user MIMO scheduling and power control
CN104185956B (zh) * 2013-01-11 2017-04-12 华为技术有限公司 下行多输入多输出发射方法及基站
KR102177427B1 (ko) * 2018-12-28 2020-11-11 연세대학교 산학협력단 비직교 다중 접속 시스템의 전송 전력 제어 장치 및 방법

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017177757A1 (zh) * 2016-04-12 2017-10-19 中兴通讯股份有限公司 虚拟多输入多输出通信方法、装置及系统

Also Published As

Publication number Publication date
EP2173041B1 (en) 2017-03-01
CN103548285B (zh) 2016-03-23
KR20100063007A (ko) 2010-06-10
US8396502B2 (en) 2013-03-12
WO2009012615A1 (fr) 2009-01-29
KR101374580B1 (ko) 2014-03-17
EP2173041A1 (en) 2010-04-07
US20100190521A1 (en) 2010-07-29
EP2173041A4 (en) 2013-01-23

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Address after: 201206 Pudong Jinqiao Ning Road, Shanghai, No. 388

Patentee after: Shanghai NOKIA Baer Limited by Share Ltd

Address before: 201206 Pudong Jinqiao Ning Road, Shanghai, No. 388

Patentee before: Shanghai Alcatel-Lucent Co., Ltd.

CP01 Change in the name or title of a patent holder