JP4869802B2 - 送信装置及び通信方法 - Google Patents

送信装置及び通信方法 Download PDF

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Publication number
JP4869802B2
JP4869802B2 JP2006169443A JP2006169443A JP4869802B2 JP 4869802 B2 JP4869802 B2 JP 4869802B2 JP 2006169443 A JP2006169443 A JP 2006169443A JP 2006169443 A JP2006169443 A JP 2006169443A JP 4869802 B2 JP4869802 B2 JP 4869802B2
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Japan
Prior art keywords
control channel
transmission
frequency
control
mapping pattern
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Active
Application number
JP2006169443A
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English (en)
Japanese (ja)
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JP2007336492A (ja
Inventor
信彦 三木
健一 樋口
衛 佐和橋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NTT Docomo Inc
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NTT Docomo 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
Priority to JP2006169443A priority Critical patent/JP4869802B2/ja
Application filed by NTT Docomo Inc filed Critical NTT Docomo Inc
Priority to RU2009101072/07A priority patent/RU2446587C2/ru
Priority to AU2007262182A priority patent/AU2007262182B2/en
Priority to BRPI0713669-2A priority patent/BRPI0713669A2/pt
Priority to EP07745206.8A priority patent/EP2034645A4/en
Priority to US12/304,439 priority patent/US20090268838A1/en
Priority to PCT/JP2007/061939 priority patent/WO2007148588A1/ja
Priority to KR1020087032052A priority patent/KR101288369B1/ko
Priority to CN200780030415.1A priority patent/CN101507159B/zh
Priority to MX2008015914A priority patent/MX2008015914A/es
Priority to CA002654926A priority patent/CA2654926A1/en
Priority to TW096121789A priority patent/TW200812268A/zh
Publication of JP2007336492A publication Critical patent/JP2007336492A/ja
Priority to US13/107,522 priority patent/US20110216725A1/en
Application granted granted Critical
Publication of JP4869802B2 publication Critical patent/JP4869802B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/713—Spread spectrum techniques using frequency hopping
    • H04B1/7143—Arrangements for generation of hop patterns
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
    • 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
    • H04L5/0044—Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH
    • H04L5/0046—Determination of the number of bits transmitted on different sub-channels
    • 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
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • 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
    • H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
    • 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
    • H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • 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]
    • 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
    • H04W52/143—Downlink 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
    • H04W52/241—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account channel quality metrics, e.g. SIR, SNR, CIR or Eb/lo
    • 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
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/086—Weighted combining using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
JP2006169443A 2006-06-19 2006-06-19 送信装置及び通信方法 Active JP4869802B2 (ja)

Priority Applications (13)

Application Number Priority Date Filing Date Title
JP2006169443A JP4869802B2 (ja) 2006-06-19 2006-06-19 送信装置及び通信方法
CA002654926A CA2654926A1 (en) 2006-06-19 2007-06-13 Transmission apparatus and communication method
BRPI0713669-2A BRPI0713669A2 (pt) 2006-06-19 2007-06-13 aparelho de transmissão e método de comunicação.
EP07745206.8A EP2034645A4 (en) 2006-06-19 2007-06-13 SENDING DEVICE AND COMMUNICATION PROCESS
US12/304,439 US20090268838A1 (en) 2006-06-19 2007-06-13 Transmission apparatus and communication method
PCT/JP2007/061939 WO2007148588A1 (ja) 2006-06-19 2007-06-13 送信装置及び通信方法
RU2009101072/07A RU2446587C2 (ru) 2006-06-19 2007-06-13 Передающее устройство и способ связи
CN200780030415.1A CN101507159B (zh) 2006-06-19 2007-06-13 发送装置及通信方法
MX2008015914A MX2008015914A (es) 2006-06-19 2007-06-13 Dispositivo de transmision y metodo de comunicacion.
AU2007262182A AU2007262182B2 (en) 2006-06-19 2007-06-13 Transmitting device and communication method
KR1020087032052A KR101288369B1 (ko) 2006-06-19 2007-06-13 송신장치 및 통신방법
TW096121789A TW200812268A (en) 2006-06-19 2007-06-15 Transmitting device and communication method
US13/107,522 US20110216725A1 (en) 2006-06-19 2011-05-13 Transmission apparatus and communication method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006169443A JP4869802B2 (ja) 2006-06-19 2006-06-19 送信装置及び通信方法

Publications (2)

Publication Number Publication Date
JP2007336492A JP2007336492A (ja) 2007-12-27
JP4869802B2 true JP4869802B2 (ja) 2012-02-08

Family

ID=38833330

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006169443A Active JP4869802B2 (ja) 2006-06-19 2006-06-19 送信装置及び通信方法

Country Status (12)

Country Link
US (2) US20090268838A1 (enExample)
EP (1) EP2034645A4 (enExample)
JP (1) JP4869802B2 (enExample)
KR (1) KR101288369B1 (enExample)
CN (1) CN101507159B (enExample)
AU (1) AU2007262182B2 (enExample)
BR (1) BRPI0713669A2 (enExample)
CA (1) CA2654926A1 (enExample)
MX (1) MX2008015914A (enExample)
RU (1) RU2446587C2 (enExample)
TW (1) TW200812268A (enExample)
WO (1) WO2007148588A1 (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4869802B2 (ja) * 2006-06-19 2012-02-08 株式会社エヌ・ティ・ティ・ドコモ 送信装置及び通信方法
WO2008084859A1 (ja) * 2007-01-12 2008-07-17 Panasonic Corporation 無線通信基地局装置および無線通信方法
US8521206B2 (en) * 2008-04-22 2013-08-27 Qualcomm Incorporated Interference management with reduce interference requests and interference indicators
US8559879B2 (en) * 2008-04-22 2013-10-15 Qualcomm Incorporated Null pilots for interference estimation in a wireless communication network
KR101019338B1 (ko) 2008-09-30 2011-03-07 주식회사 세아네트웍스 데이터 송수신 방법과 이를 지원하는 장치
JP5249151B2 (ja) 2009-07-24 2013-07-31 京セラ株式会社 無線基地局及び通信制御方法
JP2011259031A (ja) * 2010-06-04 2011-12-22 Kyocera Corp 無線通信装置
JP2012074884A (ja) * 2010-09-28 2012-04-12 Kyocera Corp 無線基地局および無線通信方法
JP2015076700A (ja) * 2013-10-08 2015-04-20 株式会社Ｎｔｔドコモ 無線装置、無線制御装置及び通信制御方法
EP3529943B1 (en) 2016-10-21 2023-06-21 Telefonaktiebolaget LM Ericsson (publ) Collision avoidance between downlink control channels and aperiodic channel state information-reference signals
CN108736161B (zh) * 2017-04-14 2021-10-01 京东方科技集团股份有限公司 移动设备以及移动设备定向天线调节方法
RU2727141C1 (ru) 2017-06-27 2020-07-21 Телефонактиеболагет Лм Эрикссон (Пабл) Повторное отображение совместно используемых каналов в сценарии совместного использования нескольких технологий радиодоступа

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69534333T2 (de) * 1994-11-22 2006-05-24 Ntt Mobile Communications Network Inc. Steuerkanal-Suchverfahren in einer mobilen Station
US6360107B1 (en) * 1999-04-08 2002-03-19 Lucent Technologies Inc. Apparatus, method and system for topological channel assignment for focused beam, fixed wireless telecommunications
RU2242091C2 (ru) * 1999-10-02 2004-12-10 Самсунг Электроникс Ко., Лтд. Устройство и способ стробирования данных, передаваемых по каналу управления в системе связи мдкр
US6856812B1 (en) * 2000-06-30 2005-02-15 Lucent Technologies Inc. Downlink power control method for wireless packet data network
CA2394093C (en) * 2000-10-11 2008-09-16 Samsung Electronics Co., Ltd. Apparatus and method for controlling transmit antenna array for physical downlink shared channel in a mobile communication system
JP3955485B2 (ja) * 2002-03-08 2007-08-08 ソフトバンクテレコム株式会社 移動局、基地局装置および移動体通信網
JP2003309533A (ja) * 2002-04-17 2003-10-31 Matsushita Electric Ind Co Ltd 無線送信装置、無線受信装置及びその方法
US7016319B2 (en) * 2003-03-24 2006-03-21 Motorola, Inc. Method and apparatus for reducing co-channel interference in a communication system
KR101022066B1 (ko) * 2003-05-17 2011-03-17 엘지전자 주식회사 이동통신 시스템에서의 하향링크 제어채널 구조 및 이를이용한 시간-코드 할당방법
JP2005006287A (ja) * 2003-05-20 2005-01-06 Hitachi Ltd パイロット信号の送受信方法及び基地局装置及び端末装置
US20050031119A1 (en) * 2003-08-04 2005-02-10 Yuying Ding Method and communications device for secure group communication
WO2005020490A1 (en) * 2003-08-13 2005-03-03 Flarion Technologies, Inc. Methods and apparatus of power control in wireless communication systems
KR100511554B1 (ko) * 2003-09-02 2005-08-31 한국전자통신연구원 Ｏｆｄｍａ ｆｄｄ 기반 시스템에서의 순방향 채널 구성방법 및 순방향 채널 할당 방법
KR100943624B1 (ko) * 2003-09-15 2010-02-24 삼성전자주식회사 직교 주파수 분할 다중 통신 시스템에서 동적 자원 할당장치 및 방법
US20050143123A1 (en) * 2003-12-31 2005-06-30 Black Greg R. Method and apparatus for a communication system operating in a licensed RF and an unlicensed RF band
KR100973946B1 (ko) * 2004-03-12 2010-08-05 삼성전자주식회사 직교 주파수 분할 다중 접속 통신 시스템에서 밴드 적응적변조 및 코딩 서브 채널 운용을 위한 시스템 및 방법
RU2006134653A (ru) * 2004-03-30 2008-04-10 Мацусита Электрик Индастриал Ко. Устройство для базовой станции, устройство для мобильной станции и способ планирования работы канала данных
KR100744336B1 (ko) * 2004-06-18 2007-07-30 삼성전자주식회사 Ｏｆｄｍ기반의 무선 통신 시스템에서의 핸드오버 방법
US20080008256A1 (en) * 2004-08-02 2008-01-10 Matshushita Electric Industrial Co., Ltd. Ofdm Transmitting Apparatus, Ofdm Receiving Apparatus, and Their Methods
KR20070085573A (ko) * 2004-11-30 2007-08-27 마츠시타 덴끼 산교 가부시키가이샤 송신 제어 프레임 생성 장치, 송신 제어 프레임 처리 장치,송신 제어 프레임 생성 방법 및 송신 제어 프레임 처리방법
KR100881783B1 (ko) * 2004-11-30 2009-02-03 한국과학기술원 통신 시스템에서 주파수 자원 할당 장치 및 방법
US7453966B2 (en) * 2005-01-12 2008-11-18 Nokia Corporation Gradient based method and apparatus for OFDM sub-carrier power optimization
DE602005003550T2 (de) * 2005-03-01 2008-10-23 Alcatel Lucent Verfahren zur OFDM Datenübertragung in einem mobilen Mehrzellen-Netzwerk mit Pilotsymbolen zur Kanalschätzung, und entsprechende Basisstation, Basisstationkontroller, Mobilnetzwerk
JP4864000B2 (ja) * 2005-08-05 2012-01-25 パナソニック株式会社 マルチキャリア通信における無線通信基地局装置および無線通信方法
US8885628B2 (en) * 2005-08-08 2014-11-11 Qualcomm Incorporated Code division multiplexing in a single-carrier frequency division multiple access system
JP5063883B2 (ja) * 2005-09-29 2012-10-31 富士通株式会社 無線通信装置、送信方法、送信装置、データ伝送システムおよびデータ伝送方法
ES2560417T3 (es) * 2006-01-18 2016-02-18 Ntt Docomo, Inc. Estación base, terminal de comunicación, método de transmisión y método de recepción
US8611300B2 (en) * 2006-01-18 2013-12-17 Motorola Mobility Llc Method and apparatus for conveying control channel information in OFDMA system
JP4869802B2 (ja) * 2006-06-19 2012-02-08 株式会社エヌ・ティ・ティ・ドコモ 送信装置及び通信方法

Also Published As

Publication number Publication date
TWI343722B (enExample) 2011-06-11
BRPI0713669A2 (pt) 2012-10-23
CN101507159A (zh) 2009-08-12
EP2034645A1 (en) 2009-03-11
AU2007262182A1 (en) 2007-12-27
CN101507159B (zh) 2016-03-02
JP2007336492A (ja) 2007-12-27
RU2009101072A (ru) 2010-07-27
AU2007262182B2 (en) 2011-06-02
EP2034645A4 (en) 2014-03-05
RU2446587C2 (ru) 2012-03-27
KR101288369B1 (ko) 2013-07-23
WO2007148588A1 (ja) 2007-12-27
TW200812268A (en) 2008-03-01
CA2654926A1 (en) 2007-12-27
KR20090024753A (ko) 2009-03-09
US20110216725A1 (en) 2011-09-08
MX2008015914A (es) 2009-02-12
US20090268838A1 (en) 2009-10-29

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