IN2014CN04873A - - Google Patents

Download PDF

Info

Publication number
IN2014CN04873A
IN2014CN04873A IN4873CHN2014A IN2014CN04873A IN 2014CN04873 A IN2014CN04873 A IN 2014CN04873A IN 4873CHN2014 A IN4873CHN2014 A IN 4873CHN2014A IN 2014CN04873 A IN2014CN04873 A IN 2014CN04873A
Authority
IN
India
Prior art keywords
path loss
comp
compensation
coordinated multipoint
transmission point
Prior art date
Application number
Other languages
English (en)
Inventor
Hao Xu
Peter Gaal
Wanshi Chen
Stefan Geirhofer
Madhavan Srinivasan Vajapeyam
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of IN2014CN04873A publication Critical patent/IN2014CN04873A/en

Links

Classifications

    • 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
    • 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
    • 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
    • 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
    • H04W52/14—Separate analysis of uplink or downlink
    • H04W52/146—Uplink power control
    • 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)
IN4873CHN2014 2012-01-30 2013-01-30 IN2014CN04873A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261592427P 2012-01-30 2012-01-30
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

Publications (1)

Publication Number Publication Date
IN2014CN04873A true IN2014CN04873A (ko) 2015-09-18

Family

ID=48870118

Family Applications (1)

Application Number Title Priority Date Filing Date
IN4873CHN2014 IN2014CN04873A (ko) 2012-01-30 2013-01-30

Country Status (6)

Country Link
US (3) US9730164B2 (ko)
EP (1) EP2810497B1 (ko)
JP (1) JP6224008B2 (ko)
CN (2) CN104584652B (ko)
IN (1) IN2014CN04873A (ko)
WO (1) WO2013116270A2 (ko)

Families Citing this family (17)

* 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
EP2880788A2 (en) * 2012-08-01 2015-06-10 Nokia Solutions and 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
US10085219B2 (en) 2015-11-16 2018-09-25 Telefonaktiebolaget Lm Ericsson (Publ) Power control in a wireless network
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
CN118201055A (zh) * 2018-11-02 2024-06-14 英特尔公司 新无线电（nr）用户设备（ue）的ul功率控制

Family Cites Families (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1492376A1 (en) * 1997-04-17 2004-12-29 NTT DoCoMo, Inc. Base station apparatus of mobile communication system
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
RU2469507C2 (ru) * 2008-05-05 2012-12-10 Нокиа Сименс Нетуоркс Ой Способ, устройство и машинная программа для управления мощностью в связи с процедурами произвольного доступа
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
US8665926B2 (en) * 2008-06-26 2014-03-04 Ntt Docomo, Inc. Closed-loop transmission power control method, base station apparatus and terminal
KR101571563B1 (ko) 2008-09-24 2015-11-25 엘지전자 주식회사 다중셀 협력 무선통신시스템에서의 상향링크 전력의 제어 방법 및 이를 지원하는 단말
WO2010089284A2 (en) 2009-02-03 2010-08-12 Nokia Siemens Networks Oy Uplink power control for multiple component carriers
WO2010120219A1 (en) 2009-04-16 2010-10-21 Telefonaktiebolaget L M Ericsson (Publ) A method of power control
JP5520299B2 (ja) * 2009-07-17 2014-06-11 パナソニック株式会社 無線通信端末装置及び無線通信方法
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
US8515440B2 (en) 2010-02-19 2013-08-20 Qualcomm Incorporated Computation of channel state feedback in systems using common reference signal interference cancelation
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
CN101945409B (zh) * 2010-09-03 2014-11-19 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
US8639282B2 (en) * 2011-06-14 2014-01-28 Futurewei Technologies, Inc. System and method for uplink power control in a communications system
WO2013006193A1 (en) * 2011-07-01 2013-01-10 Intel Corporation Layer shifting in open loop multiple-input, multiple-output communications
US8965443B2 (en) * 2011-07-28 2015-02-24 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

Also Published As

Publication number Publication date
US11076361B2 (en) 2021-07-27
CN110446249A (zh) 2019-11-12
WO2013116270A2 (en) 2013-08-08
US10674453B2 (en) 2020-06-02
CN104584652A (zh) 2015-04-29
US20180027500A1 (en) 2018-01-25
JP6224008B2 (ja) 2017-11-01
CN110446249B (zh) 2022-04-26
CN104584652B (zh) 2019-08-27
US9730164B2 (en) 2017-08-08
EP2810497A2 (en) 2014-12-10
EP2810497B1 (en) 2019-08-21
WO2013116270A3 (en) 2015-09-11
US20130194953A1 (en) 2013-08-01
JP2015521392A (ja) 2015-07-27
US20200275380A1 (en) 2020-08-27

Similar Documents

Publication Publication Date Title
IN2014CN04873A (ko)
AU2018275007B2 (en) Downlink and uplink channel with low latency
EP4277365A3 (en) Method and user equipment for communicating with a wireless access network node having an off state
IN2014CN02401A (ko)
IN2014CN03552A (ko)
IN2014MN02609A (ko)
IN2015DN02517A (ko)
MX359726B (es) Metodos y aparato para controlar la potencia del enlace ascendente en sistemas de comunicaciones inalambricas.
IL233622A (en) Network node, user equipment, and methods for tuning up broadcasting of Link links
EP3975609A3 (en) Interference measurement in wireless networks
IN2014CN00558A (ko)
MX361047B (es) Reparto de potencia y reporte de margen de potencia en escenarios de conectividad dual.
IN2014MN01720A (ko)
ZA201407076B (en) Method for transmitting control channel resource, user equipment, and base station
WO2015195792A3 (en) Methods and apparatuses for dealing with srs in dual connectivity
EP2996274A4 (en) METHOD FOR TRANSMITTING UPLINK CONTROL INFORMATION, USER DEVICE AND BASE STATION
EP3042520A4 (en) Downlink transmission method and user terminal equipment
EP2999133A4 (en) PILOT SIGNAL TRANSMISSION METHOD, BASE STATION AND USER EQUIPMENT
MX366226B (es) Metodo de comunicacion inalambrica, enodo b y equipo de usuario.
MX2021004476A (es) Dise?o de banda muy angosta compatible con evolucion a largo plazo.
EP2827663A4 (en) PROCEDURE, BASIC STATION AND USER DEVICE FOR SENDING DOWNLINK CONTROL SIGNALS
EP2985942A4 (en) METHOD, USER EQUIPMENT AND BASE STATION FOR FOUR-ANTENNA PRECODING MATRIX TRANSMISSION
IN2014MN02594A (ko)
EP2806680A4 (en) METHOD, BASE STATION AND USER EQUIPMENT FOR TRANSMITTING CONTROL CHANNEL RESOURCES
WO2012153984A3 (ko) 상향링크 전송전력 결정방법 및 사용자기기