CN103444234A - 一种功率控制方法和终端设备 - Google Patents

一种功率控制方法和终端设备 Download PDF

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Publication number
CN103444234A
CN103444234A CN2011800694943A CN201180069494A CN103444234A CN 103444234 A CN103444234 A CN 103444234A CN 2011800694943 A CN2011800694943 A CN 2011800694943A CN 201180069494 A CN201180069494 A CN 201180069494A CN 103444234 A CN103444234 A CN 103444234A
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transmit power
priority
terminal device
signal
signals
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CN103444234B (zh
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徐海博
王轶
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Fujitsu Ltd
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Fujitsu Ltd
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    • 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
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • 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
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • H04W52/367—Power values between minimum and maximum limits, e.g. dynamic range
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • 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
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/28—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission
    • H04W52/281—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission taking into account user or data type priority
    • 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
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/32—TPC of broadcast or control channels
    • H04W52/325—Power control of control or pilot channels
    • 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
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • H04W52/346—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading distributing total power among users or channels
    • 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
    • H04W52/50—TPC being performed in particular situations at the moment of starting communication in a multiple access environment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

本发明实施例提供了一种功率控制方法和终端设备，其中，所述方法包括：当终端设备需要在同一个正交频分复用OFDM符号内在一个次服务小区上发送物理随机接入信道PRACH信号，在其他服务小区上发送上行探测参考信号SRS时，终端设备丢掉所述其他服务小区上的SRS信号，或者打掉所述次服务小区上与所述其他服务小区上SRS信号处于同一个OFDM符号内的PRACH信号的符号。本实施例的方法，通过丢掉SRS信号而只发送PRACH信号，或者通过打掉与SRS信号处于同一个OFDM符号内的PRACH信号而只发送SRS信号，降低了终端设备的发送功率，解决了在同一个OFDM符号内，终端设备需要同时发送SRS信号和PRACH信号可能导致的发送功率总和大于最大配置输出功率的问题。

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。
CN201180069494.3A 2011-07-29 2011-07-29 一种功率控制方法和终端设备 Active CN103444234B (zh)

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PCT/CN2011/077789 WO2013016855A1 (zh) 2011-07-29 2011-07-29 一种功率控制方法和终端设备

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EP (2) EP3060009B1 (zh)
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CN110881218A (zh) * 2018-09-05 2020-03-13 维沃移动通信有限公司 探测参考信号传输方法和终端设备

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US20190007911A1 (en) 2019-01-03
US20170105182A1 (en) 2017-04-13
KR101758592B1 (ko) 2017-07-14
CN106376071B (zh) 2019-11-19
US9307503B2 (en) 2016-04-05
JP5915741B2 (ja) 2016-05-11
KR101748107B1 (ko) 2017-06-15
WO2013016855A1 (zh) 2013-02-07
KR20160142900A (ko) 2016-12-13
US10098077B2 (en) 2018-10-09
US9532321B2 (en) 2016-12-27
JP2014522161A (ja) 2014-08-28
US20160234794A1 (en) 2016-08-11
EP3060009A1 (en) 2016-08-24
KR20140037266A (ko) 2014-03-26
CN103444234B (zh) 2017-02-15
EP2739094B1 (en) 2016-05-18
US10638433B2 (en) 2020-04-28
EP3060009B1 (en) 2018-01-24
KR101685546B1 (ko) 2016-12-12
US20140133449A1 (en) 2014-05-15
EP2739094A1 (en) 2014-06-04
KR20170068632A (ko) 2017-06-19
CN106376071A (zh) 2017-02-01
EP2739094A4 (en) 2014-12-10

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