CN104584652B - 上行链路(ul)协作式多点(comp)传输中的功率控制管理 - Google Patents

上行链路(ul)协作式多点(comp)传输中的功率控制管理 Download PDF

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Publication number
CN104584652B
CN104584652B CN201380006247.8A CN201380006247A CN104584652B CN 104584652 B CN104584652 B CN 104584652B CN 201380006247 A CN201380006247 A CN 201380006247A CN 104584652 B CN104584652 B CN 104584652B
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transmission
transmission point
csi
comp
path loss
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CN104584652A (zh
Inventor
徐浩
P·加尔
W·陈
S·盖尔霍费尔
M·S·瓦加匹亚姆
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Qualcomm Inc
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Qualcomm Inc
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H04W52/146—Uplink power control
    • 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
    • H04B7/022—Site diversity; Macro-diversity
    • H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/06—TPC algorithms
    • H04W52/08—Closed loop power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/06—TPC algorithms
    • H04W52/10—Open loop power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/242—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account path loss
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/243—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account interferences
    • H04W52/244—Interferences in heterogeneous networks, e.g. among macro and femto or pico cells or other sector / system interference [OSI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/246—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters where the output power of a terminal is based on a path parameter calculated in said terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/248—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters where transmission power control commands are generated based on a path parameter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [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
    • H04W52/282—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 the speed of the mobile
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [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. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/36—Transmission power control [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
    • H04W52/362—Aspects of the step size
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/38—TPC being performed in particular situations
    • H04W52/46—TPC being performed in particular situations in multi-hop networks, e.g. wireless relay networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [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
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/54—Signalisation aspects of the TPC commands, e.g. frame structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
    • H04L5/0035—Resource allocation in a cooperative multipoint environment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058—Allocation criteria
    • H04L5/0073—Allocation arrangements that take into account other cell interferences
    • 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
    • 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
    • H04W74/0838—Random access procedures, e.g. with 4-step access using contention-free random access [CFRA]

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
CN201380006247.8A 2012-01-30 2013-01-30 上行链路(ul)协作式多点(comp)传输中的功率控制管理 Active CN104584652B (zh)

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US201261592427P 2012-01-30 2012-01-30
US61/592,427 2012-01-30
US13/752,856 2013-01-29
US13/752,856 US9730164B2 (en) 2012-01-30 2013-01-29 Power control management in uplink (UL) coordinated multipoint (CoMP) transmission
PCT/US2013/023745 WO2013116270A2 (en) 2012-01-30 2013-01-30 Power control management in uplink (ul) coordinated multipoint (comp) transmission

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JP (1) JP6224008B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CN (2) CN110446249B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IN (1) IN2014CN04873A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9730164B2 (en) 2012-01-30 2017-08-08 Qualcomm, Incorporated Power control management in uplink (UL) coordinated multipoint (CoMP) transmission
US8761826B2 (en) * 2012-02-01 2014-06-24 Motorola Mobility Llc Uplink power control in coordinated multi-point wireless communication system
WO2013133596A1 (ko) * 2012-03-05 2013-09-12 엘지전자 주식회사 무선 통신 시스템에서 측정 보고 수행 방법 및 장치
WO2014020110A2 (en) * 2012-08-01 2014-02-06 Nokia Siemens Networks Oy Cell-specific reference signal interference cancellation improvement
US20150163008A1 (en) * 2013-12-06 2015-06-11 Electronics And Telecommunications Research Institute Method and apparatus for cell discovery
WO2016015335A1 (en) * 2014-08-01 2016-02-04 Telefonaktiebolaget L M Ericsson (Publ) Method implemented in mce for performing downlink power control for multicast or broadcast service and associated mce
WO2017031641A1 (zh) * 2015-08-21 2017-03-02 华为技术有限公司 功率调整方法及装置
CN108353364B (zh) 2015-11-16 2021-08-03 瑞典爱立信有限公司 无线网络中的功率控制
US10411782B2 (en) * 2016-03-31 2019-09-10 Qualcomm Incorporated Channel estimation for per-tone continuous precoding in downlink MIMO transmission
EP3454621A4 (en) * 2016-05-06 2019-12-25 NTT DoCoMo, Inc. USER TERMINAL AND WIRELESS COMMUNICATION METHOD
US10439772B2 (en) * 2016-06-21 2019-10-08 Qualcomm Incorporated Reuse-pattern based co-ordinate multi-point transmission via distributed message exchange
US11477783B2 (en) * 2016-09-26 2022-10-18 Qualcomm Incorporated Uplink based mobility
US10638431B2 (en) * 2017-01-20 2020-04-28 Qualcomm Incorporated Power control for coordinated multipoint joint transmission
CN108990139B (zh) * 2017-06-02 2021-01-12 维沃移动通信有限公司 一种发射功率计算方法、相关设备和系统
US10945214B2 (en) * 2017-08-18 2021-03-09 Qualcomm Incorporated Uplink power control
US20190132033A1 (en) * 2017-10-31 2019-05-02 Qualcomm Incorporated Techniques for beam-based power control in wireless communications
WO2020092985A1 (en) * 2018-11-02 2020-05-07 Intel Corporation Uplink (ul) power control for a new radio (nr) user equipment (ue)
CN115552982B (zh) * 2020-03-06 2025-07-25 株式会社Ntt都科摩 终端、无线通信方法以及基站
US11979838B2 (en) * 2020-07-29 2024-05-07 Qualcomm Incorporated Techniques for setting power of peak reduction tones
US11659500B2 (en) * 2020-09-24 2023-05-23 Qualcomm Incorporated Resource allocation and power control for sidelink discovery

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101945409A (zh) * 2010-09-03 2011-01-12 新邮通信设备有限公司 一种无线通信系统的相邻小区间的动态干扰协调方法及其装置
WO2011103476A1 (en) * 2010-02-19 2011-08-25 Qualcomm Incorporated Computation of channel state feedback in systems using common reference signal interference cancelation

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1510937B (zh) * 1997-04-17 2013-05-22 Ntt移动通信网株式会社 通信系统中的通信方法和通信装置中的通信方法
GB0008488D0 (en) 2000-04-07 2000-05-24 Koninkl Philips Electronics Nv Radio communication system and method of operating the system
US6862457B1 (en) 2000-06-21 2005-03-01 Qualcomm Incorporated Method and apparatus for adaptive reverse link power control using mobility profiles
US6937641B2 (en) * 2001-02-28 2005-08-30 Golden Bridge Technology, Inc. Power-controlled random access
US7372898B2 (en) 2002-12-11 2008-05-13 Interdigital Technology Corporation Path loss measurements in wireless communications
US8897828B2 (en) * 2004-08-12 2014-11-25 Intellectual Ventures Holding 81 Llc Power control in a wireless communication system
KR100725773B1 (ko) 2004-08-20 2007-06-08 삼성전자주식회사 시분할 듀플렉스 방식의 이동통신 시스템에서 단말기의상태에 따라 상향링크 전력제어방식을 적응적으로변경하기 위한 장치 및 방법
US20070082620A1 (en) 2005-10-06 2007-04-12 Interdigital Technology Corporation Method and apparatus for controlling uplink transmission power for ofdma based evolved utra
US7647050B2 (en) 2005-12-28 2010-01-12 Alcatel-Lucent Usa Inc. Method of adjusting a power level of communications over a channel in a wirelss communications network
KR100869922B1 (ko) 2006-05-12 2008-11-21 삼성전자주식회사 광대역 무선 통신시스템에서 상향링크 전력 제어 장치 및방법
CN101132203A (zh) * 2006-08-25 2008-02-27 大唐移动通信设备有限公司 增强上行物理信道的功率控制方法
US8274952B2 (en) 2006-10-10 2012-09-25 Alcatel Lucent Transmission power management
US7881742B2 (en) * 2007-01-31 2011-02-01 Qualcomm, Incorporated Method and apparatus for power control during DTX operation
US8195099B2 (en) 2007-12-28 2012-06-05 Qualcomm Incorporated Speed estimation and power control based on CQI reports
US8385966B2 (en) * 2008-05-05 2013-02-26 Nokia Siemens Networks Oy Method, apparatus and computer program for power control related to random access procedures
US8494572B2 (en) * 2008-06-24 2013-07-23 Qualcomm Incorporated Method and apparatus for power control of first data transmission in random access procedure of FDMA communication system
EP2296409A4 (en) * 2008-06-26 2016-06-22 Ntt Docomo Inc METHOD FOR CONTROLLING TRANSMISSION POWER IN CLOSED LOOP, BASE STATION EQUIPMENT AND DEVICE DEVICE
KR101571563B1 (ko) 2008-09-24 2015-11-25 엘지전자 주식회사 다중셀 협력 무선통신시스템에서의 상향링크 전력의 제어 방법 및 이를 지원하는 단말
EP3010292B1 (en) 2009-02-03 2018-08-29 Cellular Communications Equipment Llc Uplink power control for multiple component
US8929941B2 (en) 2009-04-16 2015-01-06 Telefonaktiebolaget L M Ericsson (Publ) Method of power control
EP2456270B1 (en) * 2009-07-17 2020-01-01 Sun Patent Trust Radio communication terminal device and radio communication method
US8559325B2 (en) * 2009-09-15 2013-10-15 Qualcomm Incorporated Systems and methods for over the air load indicator for wireless scheduling
CN101674654A (zh) * 2009-09-24 2010-03-17 上海华为技术有限公司 Pdcch信道编码率调整方法和演进基站
US8249091B2 (en) * 2009-10-21 2012-08-21 Samsung Electronics Co., Ltd Power headroom reporting method and device for wireless communication system
CN102076062B (zh) * 2009-11-20 2015-03-11 华为技术有限公司 上行发送功率控制参数的获取方法、基站和用户设备
US20110250919A1 (en) 2010-04-13 2011-10-13 Qualcomm Incorporated Cqi estimation in a wireless communication network
EP2580872B1 (en) 2010-06-14 2019-02-27 Telefonaktiebolaget LM Ericsson (publ) Method and arrangement in a communication network
US8639282B2 (en) * 2011-06-14 2014-01-28 Futurewei Technologies, Inc. System and method for uplink power control in a communications system
EP2727305A4 (en) * 2011-07-01 2015-01-07 Intel Corp LAYER SHIFT IN OPEN LOOP MIMO COMMUNICATIONS
US9107173B2 (en) * 2011-07-28 2015-08-11 Blackberry Limited Method and system for access and uplink power control for a wireless system having multiple transmit points
US9185669B2 (en) * 2011-09-08 2015-11-10 Lg Electronics Inc. Synchronization method for distributed antenna system and apparatus using the same
WO2013074025A2 (en) * 2011-11-16 2013-05-23 Telefonaktiebolaget L M Ericsson (Publ) Methods and arrangements for reference signal measurements
WO2013102485A1 (en) * 2012-01-02 2013-07-11 Huawei Technologies Co., Ltd. Power control in a wireless communication system for uplink transmissions with coordinated reception
US9730164B2 (en) 2012-01-30 2017-08-08 Qualcomm, Incorporated Power control management in uplink (UL) coordinated multipoint (CoMP) transmission

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011103476A1 (en) * 2010-02-19 2011-08-25 Qualcomm Incorporated Computation of channel state feedback in systems using common reference signal interference cancelation
CN101945409A (zh) * 2010-09-03 2011-01-12 新邮通信设备有限公司 一种无线通信系统的相邻小区间的动态干扰协调方法及其装置

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
Phase 2 evaluation results for HetNet CoMP scenarios;Qualcomm Incorporated;《3GPP TSG-RAN WG1 #66》;20110826;全文 *
PUSCH power control for uplink CoMP;Alcatel-Lucent Shanghai Bell等;《3GPP TSG RAN WG1 Meeting #67》;20111118;第2.2节 *
Range Expansion Performance and Interference Management for Control Channels in Outdoor Hotzone Scenario;Kyocera;《3GPP TSG RAN WG1 Meeting #60bis》;20100416;全文 *
Uplink Power Control Discussion for CoMP Scenario 4;Intel Corporation;《3GPP TSG-RAN WG1 #66》;20110826;第1-3章、附录A、附录C *
Uplink power control discussions for CoMP;CATT;《3GPP TSG RAN WG1 Meeting #66bis》;20111014;全文 *

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US11076361B2 (en) 2021-07-27
WO2013116270A2 (en) 2013-08-08
US20130194953A1 (en) 2013-08-01
US9730164B2 (en) 2017-08-08
JP6224008B2 (ja) 2017-11-01
EP2810497A2 (en) 2014-12-10
WO2013116270A3 (en) 2015-09-11
US20200275380A1 (en) 2020-08-27
CN110446249A (zh) 2019-11-12
JP2015521392A (ja) 2015-07-27
CN110446249B (zh) 2022-04-26
US20180027500A1 (en) 2018-01-25
CN104584652A (zh) 2015-04-29
US10674453B2 (en) 2020-06-02
EP2810497B1 (en) 2019-08-21
IN2014CN04873A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 2015-09-18

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