WO2011068367A3 - 무선 통신 시스템에서 셀간 간섭 저감 방법 및 장치 - Google Patents

무선 통신 시스템에서 셀간 간섭 저감 방법 및 장치 Download PDF

Info

Publication number
WO2011068367A3
WO2011068367A3 PCT/KR2010/008581 KR2010008581W WO2011068367A3 WO 2011068367 A3 WO2011068367 A3 WO 2011068367A3 KR 2010008581 W KR2010008581 W KR 2010008581W WO 2011068367 A3 WO2011068367 A3 WO 2011068367A3
Authority
WO
WIPO (PCT)
Prior art keywords
base station
terminal
boundary
wireless communication
communication system
Prior art date
Application number
PCT/KR2010/008581
Other languages
English (en)
French (fr)
Other versions
WO2011068367A2 (ko
Inventor
서한별
김학성
김병훈
김기준
김은선
Original Assignee
엘지전자 주식회사
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 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to US13/497,090 priority Critical patent/US9042925B2/en
Priority to KR1020127006376A priority patent/KR101770209B1/ko
Publication of WO2011068367A2 publication Critical patent/WO2011068367A2/ko
Publication of WO2011068367A3 publication Critical patent/WO2011068367A3/ko

Links

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
    • H04W52/18—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
    • H04W56/00—Synchronisation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1854—Scheduling and prioritising arrangements
    • 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
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • 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
    • H04W52/54—Signalisation aspects of the TPC commands, e.g. frame structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices

Landscapes

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

Abstract

본 발명은 무선 통신 시스템에 대한 것으로, 보다 상세하게는 무선 통신 시스템에서 셀간 간섭 저감 방법 및 장치가 개시된다. 본 발명의 일 실시예에 따른 무선 통신 시스템에서 셀간 간섭을 저감하는 방법은, 제 1 기지국에서, 상기 제 1 기지국이 제 1 단말로 전송하는 하향링크 서브프레임의 경계(boundary)를 제 2 단말이 제 2 기지국으로부터 수신하는 하향링크 서브프레임의 경계와 일치시키는 단계, 상기 제 1 기지국에서, 상기 일치된 하향링크 서브프레임 경계에 비하여 상기 제 1 단말로부터 상기 제 1 기지국으로의 상향링크 서브프레임의 경계가 앞서는 시간을 나타내는 타이밍 어드밴스 정보를 획득하는 단계와, 상기 제 1 기지국에서, 상기 획득된 타이밍 어드밴스 정보에 기초하여 상기 제 1 단말에서 상기 제 1 기지국으로 상향링크 서브프레임을 전송하는 시점에 대해 상기 제 1 단말에게 지시하는 단계를 포함할 수 있고, 상기 지시를 받은 제 1 단말로부터 상기 제 1 기지국으로 전송되는 상향링크 서브프레임의 경계는 상기 제 2 단말이 상기 제 2 기지국으로 전송하는 상향링크 서브프레임의 경계와 일치할 수 있다.
PCT/KR2010/008581 2009-12-03 2010-12-02 무선 통신 시스템에서 셀간 간섭 저감 방법 및 장치 WO2011068367A2 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US13/497,090 US9042925B2 (en) 2009-12-03 2010-12-02 Method and apparatus for reducing inter-cell interference in a wireless communication system
KR1020127006376A KR101770209B1 (ko) 2009-12-03 2010-12-02 무선 통신 시스템에서 셀간 간섭 저감 방법 및 장치

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US26615909P 2009-12-03 2009-12-03
US26615809P 2009-12-03 2009-12-03
US61/266,159 2009-12-03
US61/266,158 2009-12-03
US31770310P 2010-03-26 2010-03-26
US61/317,703 2010-03-26

Publications (2)

Publication Number Publication Date
WO2011068367A2 WO2011068367A2 (ko) 2011-06-09
WO2011068367A3 true WO2011068367A3 (ko) 2011-10-13

Family

ID=44115428

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2010/008581 WO2011068367A2 (ko) 2009-12-03 2010-12-02 무선 통신 시스템에서 셀간 간섭 저감 방법 및 장치

Country Status (3)

Country Link
US (1) US9042925B2 (ko)
KR (1) KR101770209B1 (ko)
WO (1) WO2011068367A2 (ko)

Families Citing this family (111)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5166554B2 (ja) * 2008-02-05 2013-03-21 テレフオンアクチーボラゲット エル エム エリクソン（パブル） セル間干渉を軽減するための方法およびシステム
US8725083B2 (en) * 2008-05-13 2014-05-13 Qualcomm Incorporated Self calibration of downlink transmit power
US9204349B2 (en) * 2009-02-10 2015-12-01 Qualcomm Incorporated Method and apparatus for facilitating a hand-in of user equipment to femto cells
JP5531767B2 (ja) 2009-07-31 2014-06-25 ソニー株式会社 送信電力制御方法、通信装置及びプログラム
JP5565082B2 (ja) 2009-07-31 2014-08-06 ソニー株式会社 送信電力決定方法、通信装置及びプログラム
JP5429036B2 (ja) 2009-08-06 2014-02-26 ソニー株式会社 通信装置、送信電力制御方法、及びプログラム
US9392562B2 (en) 2009-11-17 2016-07-12 Qualcomm Incorporated Idle access terminal-assisted time and/or frequency tracking
US9642105B2 (en) 2009-11-17 2017-05-02 Qualcomm Incorporated Access terminal-assisted time and/or frequency tracking
CN102301804B (zh) * 2010-01-08 2014-01-08 联发科技股份有限公司 上行链路同步方法、移动台及基站
US9271248B2 (en) 2010-03-02 2016-02-23 Qualcomm Incorporated System and method for timing and frequency synchronization by a Femto access point
US8526391B2 (en) 2010-07-23 2013-09-03 Trueposition, Inc. Network based location of mobile transmitters
US9049727B2 (en) * 2010-08-12 2015-06-02 Fujitsu Limited Macro user equipment initiated evolved inter-cell interference coordination mechanism through private femtocells
US8934896B2 (en) 2010-08-12 2015-01-13 Fujitsu Limited Macro user equipment initiated evolved inter-cell interference coordination mechanism through private femtocells
JP5331763B2 (ja) * 2010-08-20 2013-10-30 パナソニック株式会社 ネットワーク管理装置、基地局装置及びネットワーク管理方法
US9756553B2 (en) 2010-09-16 2017-09-05 Qualcomm Incorporated System and method for assisted network acquisition and search updates
US20120115496A1 (en) * 2010-11-05 2012-05-10 Qualcomm Incorporated System and method for synchronizing femtocells using intercell uplink signals
WO2012060067A1 (ja) 2010-11-05 2012-05-10 パナソニック株式会社 無線通信端末装置及び電力割当方法
US9072110B2 (en) * 2010-11-08 2015-06-30 Mediatek Inc. Method for UE pattern indication and measurement for interference coordination
US9078207B2 (en) * 2010-11-18 2015-07-07 Nokia Technologies Oy Method and apparatus for timing advance estimation
US9071432B2 (en) * 2010-12-08 2015-06-30 Htc Corporation Method of handling transmission and reception involving an ABS subframe in a wireless communication system and related communication device
US8761779B2 (en) 2011-02-04 2014-06-24 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for reducing intercell interference
US9088394B2 (en) 2011-02-06 2015-07-21 Lg Electronics Inc. Method and apparatus for inter-cell interference coordination in a wireless communication system
WO2012112098A1 (en) * 2011-02-15 2012-08-23 Telefonaktiebolaget L M Ericsson (Publ) Synchronization of pico-nodes in a heterogeneous cellular network deployment
US9357514B2 (en) * 2011-03-18 2016-05-31 Alcatel Lucent Methods for synchronizing macro cell and small cell systems
CN102149099B (zh) * 2011-04-08 2014-02-12 电信科学技术研究院 一种进行小区间干扰协调的方法及装置
US20140198744A1 (en) * 2011-05-17 2014-07-17 Interdigital Patent Holdings, Inc. Method and apparatus for data-splitting transmission from multiple sites
WO2013005377A1 (ja) * 2011-07-01 2013-01-10 パナソニック株式会社 受信装置、送信装置、設定方法、及び特定方法
US8395985B2 (en) * 2011-07-25 2013-03-12 Ofinno Technologies, Llc Time alignment in multicarrier OFDM network
US9521632B2 (en) * 2011-08-15 2016-12-13 Google Technology Holdings LLC Power allocation for overlapping transmission when multiple timing advances are used
CN102958075B (zh) * 2011-08-29 2016-12-07 华为技术有限公司 定时提前量ta的确定方法和设备
US8682345B2 (en) * 2011-09-28 2014-03-25 Qualcomm Incorporated Utilizing relationships between places of relevance
JP5902817B2 (ja) * 2011-09-30 2016-04-13 京セラ株式会社 小セルの上りリンクの干渉を緩和するシステム及び方法
EP2765820A4 (en) * 2011-10-03 2015-06-03 Ntt Docomo Inc WIRELESS COMMUNICATION SYSTEM, WIRELESS BASE STATION DEVICE, USER TERMINAL, AND WIRELESS COMMUNICATION METHOD
US8660015B2 (en) * 2011-12-27 2014-02-25 Trueposition, Inc. Location of mobile devices served by a relay node
WO2013109084A1 (en) * 2012-01-18 2013-07-25 Lg Electronics Inc. Method and apparatus for operating plural time alignment timers in wireless communication system using coordinated multipoint technology
US9161322B2 (en) 2012-01-25 2015-10-13 Ofinno Technologies, Llc Configuring base station and wireless device carrier groups
US8526389B2 (en) 2012-01-25 2013-09-03 Ofinno Technologies, Llc Power scaling in multicarrier wireless device
US9237537B2 (en) 2012-01-25 2016-01-12 Ofinno Technologies, Llc Random access process in a multicarrier base station and wireless device
CN104094654B (zh) * 2012-01-29 2018-10-19 阿尔卡特朗讯 用于时分复用无线通信系统的高干扰指示
US11943813B2 (en) 2012-04-01 2024-03-26 Comcast Cable Communications, Llc Cell grouping for wireless communications
US9215678B2 (en) 2012-04-01 2015-12-15 Ofinno Technologies, Llc Timing advance timer configuration in a wireless device and a base station
US20130259008A1 (en) 2012-04-01 2013-10-03 Esmael Hejazi Dinan Random Access Response Process in a Wireless Communications
US11252679B2 (en) 2012-04-16 2022-02-15 Comcast Cable Communications, Llc Signal transmission power adjustment in a wireless device
US11825419B2 (en) 2012-04-16 2023-11-21 Comcast Cable Communications, Llc Cell timing in a wireless device and base station
EP2839705B1 (en) 2012-04-16 2017-09-06 Comcast Cable Communications, LLC Cell group configuration for uplink transmission in a multicarrier wireless device and base station with timing advance groups
US11582704B2 (en) 2012-04-16 2023-02-14 Comcast Cable Communications, Llc Signal transmission power adjustment in a wireless device
US8989128B2 (en) 2012-04-20 2015-03-24 Ofinno Technologies, Llc Cell timing in a wireless device and base station
US8964593B2 (en) 2012-04-16 2015-02-24 Ofinno Technologies, Llc Wireless device transmission power
US8958342B2 (en) 2012-04-17 2015-02-17 Ofinno Technologies, Llc Uplink transmission power in a multicarrier wireless device
US9179425B2 (en) 2012-04-17 2015-11-03 Ofinno Technologies, Llc Transmit power control in multicarrier communications
US9155078B2 (en) * 2012-04-19 2015-10-06 Telefonaktiebolaget L M Ericsson (Publ) Multireceiver timing advance provisioning
US9155057B2 (en) 2012-05-01 2015-10-06 Qualcomm Incorporated Femtocell synchronization enhancements using access probes from cooperating mobiles
JP6050028B2 (ja) * 2012-05-25 2016-12-21 シャープ株式会社 端末、基地局、通信方法及び集積回路
WO2013181808A1 (zh) * 2012-06-06 2013-12-12 华为技术有限公司 一种消息的重传方法及终端、基站
US9107206B2 (en) 2012-06-18 2015-08-11 Ofinne Technologies, LLC Carrier grouping in multicarrier wireless networks
US8971298B2 (en) 2012-06-18 2015-03-03 Ofinno Technologies, Llc Wireless device connection to an application server
US9113387B2 (en) 2012-06-20 2015-08-18 Ofinno Technologies, Llc Handover signalling in wireless networks
US11622372B2 (en) 2012-06-18 2023-04-04 Comcast Cable Communications, Llc Communication device
US9179457B2 (en) 2012-06-20 2015-11-03 Ofinno Technologies, Llc Carrier configuration in wireless networks
US9210619B2 (en) 2012-06-20 2015-12-08 Ofinno Technologies, Llc Signalling mechanisms for wireless device handover
US11882560B2 (en) 2012-06-18 2024-01-23 Comcast Cable Communications, Llc Carrier grouping in multicarrier wireless networks
US9084228B2 (en) 2012-06-20 2015-07-14 Ofinno Technologies, Llc Automobile communication device
US9232405B2 (en) 2012-07-30 2016-01-05 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for inter-cell interference coordination in a wireless communication network
KR101589911B1 (ko) * 2012-08-03 2016-02-18 주식회사 케이티 랜덤 액세스 전력 제어 방법 및 장치
KR20140032705A (ko) * 2012-09-07 2014-03-17 삼성전자주식회사 이종 복식 기지국간 주파수 집적 시스템에서 상향링크 신호 전송 방법 및 장치
KR101472101B1 (ko) * 2012-09-10 2014-12-10 주식회사 케이티 단말, 상향링크 채널 추정 방법 및 통신 시스템
US9166764B2 (en) 2012-10-16 2015-10-20 Qualcomm Incorporated Methods and apparatus for feedback computation and decoding with synchronously coded subcarriers in OFDMA systems
US9462581B2 (en) 2012-10-16 2016-10-04 Qualcomm Incorporated Methods and apparatus for synchronously coded subcarriers in OFDMA systems
US20150237545A1 (en) * 2012-10-30 2015-08-20 Sony Corporation Communication control device, program, communication control method, and terminal device
US9237530B2 (en) 2012-11-09 2016-01-12 Qualcomm Incorporated Network listen with self interference cancellation
RU2618507C2 (ru) 2012-12-09 2017-05-04 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способ и устройство для достижения синхронизации для связи типа устройство-устройство за пределами зоны покрытия в системе беспроводной связи
US9042903B2 (en) * 2013-01-10 2015-05-26 Qualcomm Incorporated Methods and apparatus for efficient co-existence of macro and small cells
US8971906B2 (en) 2013-01-17 2015-03-03 Qualcomm Incorporated Hybrid interference alignment for mixed macro-FEMTO base station downlink
US8908606B2 (en) * 2013-01-23 2014-12-09 Qualcomm Incorporated Opportunistic interference alignment for multi-cell multi-user uplink
DE112013006517T5 (de) * 2013-01-28 2015-10-15 Empire Technology Development Llc Aufrechterhalten einer Uplink-Synchronisation
WO2014168336A1 (ko) * 2013-04-11 2014-10-16 엘지전자 주식회사 상향링크 신호 전송 방법 및 사용자기기
US9148805B2 (en) * 2013-05-10 2015-09-29 Broadcom Corporation Small cell base station DTX mode
KR20160014617A (ko) * 2013-05-31 2016-02-11 엘지전자 주식회사 무선 접속 시스템에서 인접 셀의 간섭을 제거하기 위한 제어 정보를 수신하는 방법 및 장치
WO2014205663A1 (zh) * 2013-06-26 2014-12-31 华为技术有限公司 一种定时同步方法、装置、用户设备和通信系统
US9325480B2 (en) 2013-07-10 2016-04-26 Google Technology Holdings LLC Methods and device for performing device-to-device communication
US9480070B1 (en) * 2013-08-30 2016-10-25 Sprint Spectrum L.P. Bearer data power boosting in a wireless communication system
EP3095281B1 (en) * 2014-01-15 2020-04-29 LG Electronics Inc. Method and apparatus for controlling uplink power in a wireless communication system
US9402238B1 (en) * 2014-03-17 2016-07-26 Marvell International Ltd. Method and apparatus for controlling a transmit power level of a device in a wireless communications network
WO2015159874A1 (ja) * 2014-04-18 2015-10-22 株式会社Ｎｔｔドコモ ユーザ装置、及び上り送信電力情報送信方法
US9699741B1 (en) 2014-04-30 2017-07-04 Marvell International Ltd. Method and apparatus for determining access control parameters for devices in a wireless communications network
US10004050B2 (en) 2014-05-22 2018-06-19 Qualcomm Incorporated Method and apparatus for synchronizing and propagating state information in wireless downlink/uplink
WO2016008118A1 (zh) * 2014-07-16 2016-01-21 华为技术有限公司 测量邻小区无线资源管理的方法及装置
JP5970506B2 (ja) * 2014-07-31 2016-08-17 株式会社Ｎｔｔドコモ ユーザ装置、及び上り送信タイミング制御方法
US9775017B2 (en) * 2014-09-26 2017-09-26 Parallel Wireless, Inc. Enabling high-power UE transmission
CN110087303B (zh) * 2014-09-30 2022-07-12 华为技术有限公司 传输定时调整的方法及设备
US9755799B2 (en) * 2014-10-22 2017-09-05 Alcatel-Lucent Usa Inc. Coordinating transmission of positioning reference signals and non-reference signals
KR102272844B1 (ko) 2015-06-23 2021-07-06 삼성전자주식회사 타이밍 어드밴스 제어 방법 및 장치
US11283536B2 (en) 2015-09-25 2022-03-22 Telefonaktiebolaget Lm Ericsson (Publ) Method and network node for reducing interference in a wireless network
WO2018064381A1 (en) * 2016-09-30 2018-04-05 Kyocera Corporation Special uplink subframe for enhanced mobility
US10236933B2 (en) * 2016-10-07 2019-03-19 Qualcomm Incorporated Timing offset compensation for inter-link interference cancellation
US10652894B2 (en) * 2016-11-11 2020-05-12 Qualcomm Incorporated Timing advance reporting for latency reduction
JP7233366B2 (ja) * 2016-11-30 2023-03-06 オッポ広東移動通信有限公司 情報伝送方法、端末装置及びネットワーク装置
WO2018128428A1 (ko) * 2017-01-08 2018-07-12 엘지전자 주식회사 크로스-링크 간섭을 제어하는 방법 및 이를 위한 장치
CN110268759B (zh) 2017-03-09 2021-10-22 华为技术有限公司 无线通信的方法、控制设备、节点和终端设备
EP3695682A4 (en) * 2017-10-10 2021-06-30 Telefonaktiebolaget LM Ericsson (publ) MOBILE TERMINATED EARLY DATA TRANSFER
WO2020032763A1 (ko) * 2018-08-10 2020-02-13 엘지전자 주식회사 무선통신시스템에서 앵커 노드가 송신 타이밍을 조정하는 방법 및 장치
WO2020067656A1 (ko) * 2018-09-28 2020-04-02 엘지전자 주식회사 무선 통신 시스템에서 신호를 송수신하는 방법 및 이를 지원하는 장치
WO2020133145A1 (zh) * 2018-12-28 2020-07-02 Oppo广东移动通信有限公司 用于自干扰消除的方法、终端设备和网络设备
CN111585732B (zh) * 2019-02-15 2022-02-25 华为技术有限公司 通信方法和通信设备
US11153840B2 (en) * 2019-03-28 2021-10-19 Mediatek Inc. UE feedback of timing adjustment after a measurement gap
US10757655B1 (en) * 2019-04-18 2020-08-25 At&T Intellectual Property I, L.P. Uplink interference avoidance under closed loop power control conditions
US11039398B2 (en) 2019-05-31 2021-06-15 At&T Intellectual Property I, L.P. Uplink interference avoidance under open loop power control conditions
CN112350808B (zh) * 2019-08-06 2022-04-05 华为技术有限公司 信号传输的方法与装置
EP4287722A1 (en) * 2021-01-29 2023-12-06 LG Electronics Inc. Method and device for uplink transmission and reception in wireless communication system
KR20220158548A (ko) * 2021-05-24 2022-12-01 삼성전자주식회사 통신 시스템에서 타이밍 어드밴스를 결정하고 적용하는 방법 및 장치
WO2023099930A1 (en) * 2021-12-03 2023-06-08 Telefonaktiebolaget Lm Ericsson (Publ) Reduction of interference caused by downlink aggressors

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080233966A1 (en) * 2007-03-22 2008-09-25 Comsys Communication & Signal Processing Ltd. Resource allocation apparatus and method in an orthogonal frequency division multiple access communication system
US20090137241A1 (en) * 2007-11-27 2009-05-28 Qualcomm Incorporated Interference management in a wireless communication system using adaptive path loss adjustment
US20090264077A1 (en) * 2008-04-16 2009-10-22 Qualcomm Incorporated Methods and apparatus for uplink and downlink inter-cell interference coordination

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6873662B2 (en) 2002-02-14 2005-03-29 Interdigital Technology Corporation Wireless communication system having adaptive threshold for timing deviation measurement and method
US20040202119A1 (en) * 2003-04-10 2004-10-14 Edge Stephen William Base station synchronization in a wireless network
US8416761B2 (en) * 2006-09-28 2013-04-09 Motorola Mobility Llc Mitigating synchronization loss
US9380503B2 (en) * 2007-04-30 2016-06-28 Google Technology Holdings LLC Method and apparatus for handover in a wireless communication system
WO2010027072A1 (ja) * 2008-09-08 2010-03-11 株式会社エヌ・ティ・ティ・ドコモ 基地局装置、移動通信システム及び通信制御方法
EP2476287A1 (en) * 2009-09-09 2012-07-18 Telefonaktiebolaget LM Ericsson (publ) Methods and apparatuses for facilitating reduction of interference in a wireless telecommunications system
US8687602B2 (en) * 2009-09-29 2014-04-01 Apple Inc. Methods and apparatus for error correction for coordinated wireless base stations

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080233966A1 (en) * 2007-03-22 2008-09-25 Comsys Communication & Signal Processing Ltd. Resource allocation apparatus and method in an orthogonal frequency division multiple access communication system
US20090137241A1 (en) * 2007-11-27 2009-05-28 Qualcomm Incorporated Interference management in a wireless communication system using adaptive path loss adjustment
US20090264077A1 (en) * 2008-04-16 2009-10-22 Qualcomm Incorporated Methods and apparatus for uplink and downlink inter-cell interference coordination

Also Published As

Publication number Publication date
US9042925B2 (en) 2015-05-26
US20120178482A1 (en) 2012-07-12
KR101770209B1 (ko) 2017-08-22
KR20120117726A (ko) 2012-10-24
WO2011068367A2 (ko) 2011-06-09

Similar Documents

Publication Publication Date Title
WO2011068367A3 (ko) 무선 통신 시스템에서 셀간 간섭 저감 방법 및 장치
WO2012064117A3 (ko) 무선 통신 시스템에서 셀간 간섭 조정에 대한 하향링크 제어 채널의 송수신 방법 및 장치
WO2010117225A3 (ko) 무선 통신 시스템에서 하향링크 제어 정보 수신 방법 및 이를 위한 장치
WO2010082805A3 (ko) 주파수 집성 시스템에서 반송파를 설정하는 방법 및 이를 위한 장치
WO2011043887A3 (en) Method and apparatus for mitigating downlink control channel interference
MX2011013516A (es) Metodo y aparato que facilita una alineacion de temporizacion en un sistema multiportadora.
WO2012124924A3 (ko) 반송파 집성 기법이 적용된 무선 통신 시스템에서 단말이 신호를 송수신하는 방법 및 이를 위한 장치
WO2010013963A3 (en) Method and apparatus of transmitting control information in wireless communication system
WO2011055943A3 (en) A method for uplink transmission control and an apparatus for the same in a wireless communications system
WO2011028078A3 (ko) 중계기 지원 무선 통신 시스템에서의 채널 상태 정보 피드백 방법 및 장치
WO2012138197A3 (ko) Ｔｄｄ 무선 통신 시스템에서 단말의 신호 송수신 방법 및 장치
WO2010074485A3 (en) Mehtod and apparatus of transmitting control information
WO2012128490A3 (ko) 무선 통신 시스템에서 동적 서브프레임 설정 시 재전송 방법 및 이를 위한 장치
WO2012124923A3 (ko) 무선 통신 시스템에서 동적 서브프레임 설정 방법 및 이를 위한 장치
WO2012177037A3 (en) Method and apparatus for transmitting and receiving time division duplex frame configuration information in wireless communication system
WO2012134107A3 (ko) 무선 통신 시스템에서 통신 방법 및 장치
WO2011103186A3 (en) Methods and apparatus for network energy savings in a wireless communication system
WO2011057037A3 (en) Interference mitigation in heterogeneous wireless communication networks
WO2008105421A1 (ja) 基地局装置及び通信制御方法
WO2012169744A3 (ko) 무선통신 시스템에서의 정보 전송 방법 및 장치
WO2008140235A3 (en) Methods of performing data communication in wireless communication system
WO2013015587A3 (ko) 무선 통신 시스템에서 서브프레임을 설정하는 방법
WO2011071329A3 (ko) 무선 통신 시스템에서 셀간 간섭을 저감하는 방법 및 장치
WO2010087622A2 (ko) 전송 전력을 제어하는 방법 및 이를 위한 장치
WO2008133310A1 (ja) 移動通信方法及び無線基地局

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 10834782

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 20127006376

Country of ref document: KR

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: 13497090

Country of ref document: US

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 10834782

Country of ref document: EP

Kind code of ref document: A2