WO2009035076A1 - 無線通信方法、無線通信システムおよび無線送信装置 - Google Patents

無線通信方法、無線通信システムおよび無線送信装置 Download PDF

Info

Publication number
WO2009035076A1
WO2009035076A1 PCT/JP2008/066532 JP2008066532W WO2009035076A1 WO 2009035076 A1 WO2009035076 A1 WO 2009035076A1 JP 2008066532 W JP2008066532 W JP 2008066532W WO 2009035076 A1 WO2009035076 A1 WO 2009035076A1
Authority
WO
WIPO (PCT)
Prior art keywords
unit
variable
spread
radio communication
radio
Prior art date
Application number
PCT/JP2008/066532
Other languages
English (en)
French (fr)
Inventor
Yasuhiro Hamaguchi
Minoru Kubota
Hideo Namba
Shimpei Toh
Kazunari Yokomakura
Original Assignee
Sharp Kabushiki Kaisha
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 Sharp Kabushiki Kaisha filed Critical Sharp Kabushiki Kaisha
Priority to US12/677,742 priority Critical patent/US8681688B2/en
Priority to EP12001406.3A priority patent/EP2472731B1/en
Priority to CN2008801063778A priority patent/CN101803255B/zh
Priority to EP08831182.4A priority patent/EP2190139B1/en
Priority to JP2009532238A priority patent/JP5078172B2/ja
Publication of WO2009035076A1 publication Critical patent/WO2009035076A1/ja
Priority to US13/457,298 priority patent/US8654751B2/en
Priority to US14/153,968 priority patent/US20140126465A1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • 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
    • H04B1/692—Hybrid techniques using combinations of two or more spread spectrum techniques
    • 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
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/004—Orthogonal
    • H04J13/0044—OVSF [orthogonal variable spreading factor]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/16—Code allocation
    • H04J13/18—Allocation of orthogonal codes
    • H04J13/20—Allocation of orthogonal codes having an orthogonal variable spreading factor [OVSF]
    • 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
    • H04L27/2614—Peak power aspects
    • H04L27/2615—Reduction thereof using coding
    • 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
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2627—Modulators
    • H04L27/2634—Inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators in combination with other circuits for modulation
    • H04L27/2636—Inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators in combination with other circuits for modulation with FFT or DFT modulators, e.g. standard single-carrier frequency-division multiple access [SC-FDMA] transmitter or DFT spread orthogonal frequency division multiplexing [DFT-SOFDM]
    • 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
    • H04L27/2647—Arrangements specific to the receiver only
    • 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
    • H04L5/0014—Three-dimensional division
    • H04L5/0016—Time-frequency-code
    • H04L5/0021—Time-frequency-code in which codes are applied as a frequency-domain sequences, e.g. MC-CDMA
    • 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
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/023—Multiplexing of multicarrier modulation signals
    • H04L5/026—Multiplexing of multicarrier modulation signals using code division
    • 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
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70706—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation with means for reducing the peak-to-average power ratio

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)

Abstract

本発明の送信装置は、符号化部、変調部、制御部からの制御情報Ａにより、可変ＳＦにて拡散を行う可変ＳＦ拡散部、拡散部の出力に対してＩＤＦＴを行うＩＤＦＴ部、ＧＩ挿入部、ＧＩ挿入部の出力をシリアルデータ列に変換するパラレル／シリアル変換部、ディジタル／アナログ変換部、アナログ信号を送信する周波数帯域に変換し、適切な送信電力に制御した後、アンテナから信号を送信するＲＦ部を有する。そして制御部は、可変ＳＦを決定するための制御情報Ａを生成し、可変ＳＦ拡散部、ＲＦ部に入力するように構成されている。制御情報Ａにおいては、必要となる送信電力に応じてＳＦを変更する。
PCT/JP2008/066532 2007-09-12 2008-09-12 無線通信方法、無線通信システムおよび無線送信装置 WO2009035076A1 (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
US12/677,742 US8681688B2 (en) 2007-09-12 2008-09-12 Radio communication method, radio communication system, and radio transmission apparatus
EP12001406.3A EP2472731B1 (en) 2007-09-12 2008-09-12 Radio communication method, radio communication system, and radio transmission apparatus
CN2008801063778A CN101803255B (zh) 2007-09-12 2008-09-12 无线通信方法、无线通信系统和无线发送装置
EP08831182.4A EP2190139B1 (en) 2007-09-12 2008-09-12 Radio communication method, radio communication system, and radio transmission apparatus
JP2009532238A JP5078172B2 (ja) 2007-09-12 2008-09-12 Ｏｆｄｍ送信装置、ｏｆｄｍ送信方法、及び無線通信システム
US13/457,298 US8654751B2 (en) 2007-09-12 2012-04-26 Radio communication method, radio communication system, and radio transmission apparatus
US14/153,968 US20140126465A1 (en) 2007-09-12 2014-01-13 Radio communication method, radio communication system, and radio transmission apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007236422 2007-09-12
JP2007-236422 2007-09-12

Related Child Applications (3)

Application Number Title Priority Date Filing Date
US12/677,742 A-371-Of-International US8681688B2 (en) 2007-09-12 2008-09-12 Radio communication method, radio communication system, and radio transmission apparatus
US13/457,298 Division US8654751B2 (en) 2007-09-12 2012-04-26 Radio communication method, radio communication system, and radio transmission apparatus
US14/153,968 Division US20140126465A1 (en) 2007-09-12 2014-01-13 Radio communication method, radio communication system, and radio transmission apparatus

Publications (1)

Publication Number Publication Date
WO2009035076A1 true WO2009035076A1 (ja) 2009-03-19

Family

ID=40452082

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/066532 WO2009035076A1 (ja) 2007-09-12 2008-09-12 無線通信方法、無線通信システムおよび無線送信装置

Country Status (5)

Country Link
US (3) US8681688B2 (ja)
EP (2) EP2472731B1 (ja)
JP (4) JP5078172B2 (ja)
CN (3) CN102685057B (ja)
WO (1) WO2009035076A1 (ja)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011176510A (ja) * 2010-02-23 2011-09-08 Nippon Telegr & Teleph Corp <Ntt> 無線ａｃｋ送受信システム、宛先局装置、生起局装置、及び無線ａｃｋ送受信方法
JP2012235449A (ja) * 2011-04-28 2012-11-29 Intel Corp 低電力無線ネットワークにおける通信方法及び構成
US9313301B2 (en) 2011-08-24 2016-04-12 Intel Corporation Systems, methods, and apparatus for a low rate PHY structure
JP2017112575A (ja) * 2015-12-18 2017-06-22 武 服部 基地局、移動局、及び、通信方法
WO2018030191A1 (ja) * 2016-08-10 2018-02-15 シャープ株式会社 送信装置及び通信方法
JP2020137003A (ja) * 2019-02-22 2020-08-31 パナソニック株式会社 基地局、無線通信システム、及び、制御方法
CN112383324A (zh) * 2020-11-09 2021-02-19 上海德寰通信技术有限公司 一种卫星通讯方法、装置、设备及存储介质

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10931338B2 (en) 2001-04-26 2021-02-23 Genghiscomm Holdings, LLC Coordinated multipoint systems
JP4119696B2 (ja) * 2001-08-10 2008-07-16 松下電器産業株式会社 送信装置、受信装置及び無線通信方法
US10644916B1 (en) 2002-05-14 2020-05-05 Genghiscomm Holdings, LLC Spreading and precoding in OFDM
US7548522B2 (en) * 2003-03-27 2009-06-16 Ktfreetel Co., Ltd. Orthogonal frequency division multiplexing wireless communication operable on frequency selective channel, and channel compensation method
US11381285B1 (en) 2004-08-02 2022-07-05 Genghiscomm Holdings, LLC Transmit pre-coding
EP2418798A3 (en) * 2006-12-28 2015-06-03 Sharp Kabushiki Kaisha Base station, radio transmission device, radio communication system, and communication method
CN102685057B (zh) 2007-09-12 2015-06-17 夏普株式会社 发送装置及方法、ofdm发送装置及方法和无线通信系统
US8520721B2 (en) 2008-03-18 2013-08-27 On-Ramp Wireless, Inc. RSSI measurement mechanism in the presence of pulsed jammers
US8958460B2 (en) 2008-03-18 2015-02-17 On-Ramp Wireless, Inc. Forward error correction media access control system
US20100195553A1 (en) 2008-03-18 2010-08-05 Myers Theodore J Controlling power in a spread spectrum system
US8477830B2 (en) 2008-03-18 2013-07-02 On-Ramp Wireless, Inc. Light monitoring system using a random phase multiple access system
US8363699B2 (en) 2009-03-20 2013-01-29 On-Ramp Wireless, Inc. Random timing offset determination
JP2013032648A (ja) * 2011-08-02 2013-02-14 Nippon Soken Inc 無線通信システムおよび無線通信システムにおける車載システムの製造方法
JP5593486B2 (ja) * 2012-10-18 2014-09-24 独立行政法人産業技術総合研究所 センサネットワークシステム
US10637705B1 (en) 2017-05-25 2020-04-28 Genghiscomm Holdings, LLC Peak-to-average-power reduction for OFDM multiple access
US10243773B1 (en) 2017-06-30 2019-03-26 Genghiscomm Holdings, LLC Efficient peak-to-average-power reduction for OFDM and MIMO-OFDM
CN108111456B (zh) * 2017-12-21 2019-12-03 武汉邮电科学研究院 一种降低聚合信号峰均功率比的方法及系统
WO2020069131A1 (en) * 2018-09-27 2020-04-02 Intel Corporation Non-linear-phase pulse-shape minimizing spurious emission at power amplifier 2nd harmonic for bpsk single-carrier modulated signal
US11343823B2 (en) 2020-08-16 2022-05-24 Tybalt, Llc Orthogonal multiple access and non-orthogonal multiple access
CN113454964A (zh) 2019-01-25 2021-09-28 珍吉斯科姆控股有限责任公司 正交多址和非正交多址
WO2020242898A1 (en) 2019-05-26 2020-12-03 Genghiscomm Holdings, LLC Non-orthogonal multiple access
CN112188447B (zh) * 2020-08-26 2021-09-14 江苏龙睿物联网科技有限公司 一种物联网移动基站通信保护系统及保护方法
CN113890570A (zh) * 2021-10-29 2022-01-04 上海大周能源技术有限公司 一种直流微电网电能路由器电力载波通信系统及通信方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05102943A (ja) * 1991-10-04 1993-04-23 Nippon Telegr & Teleph Corp <Ntt> スペクトル拡散伝送方式
JP2001238269A (ja) * 2000-02-25 2001-08-31 Kddi Corp 無線通信システムのサブキャリア割当方法
JP2003179573A (ja) * 2001-08-10 2003-06-27 Matsushita Electric Ind Co Ltd 送信装置、受信装置及び無線通信方法
WO2006114932A1 (ja) * 2005-04-18 2006-11-02 Sharp Kabushiki Kaisha 無線通信装置および無線通信方法
JP2006313993A (ja) * 2005-05-06 2006-11-16 National Institute Of Information & Communication Technology 超広帯域負荷分散型無線通信方法及びシステム
JP2007151059A (ja) 2005-03-31 2007-06-14 Ntt Docomo Inc 送信装置、受信装置および移動通信システム並びに送信制御方法
WO2008081876A1 (ja) * 2006-12-28 2008-07-10 Sharp Kabushiki Kaisha 無線送信装置、制御装置、無線通信システムおよび通信方法

Family Cites Families (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5903618A (en) * 1995-07-18 1999-05-11 Casio Computer Co., Ltd. Multimode radio communication system
US6359874B1 (en) 1998-05-21 2002-03-19 Ericsson Inc. Partially block-interleaved CDMA coding and decoding
JP2000049744A (ja) * 1998-05-26 2000-02-18 Victor Co Of Japan Ltd 伝送帯域分割変復調装置及びその方法
US6289228B1 (en) * 1999-07-20 2001-09-11 Motorola, Inc. Method and apparatus for reducing power consumption of a communication device
US20030161286A1 (en) * 2000-04-18 2003-08-28 Daoben Li Spread spectrum multiple access codes and code groups generated by rotation transformation
DE60134346D1 (de) * 2001-05-15 2008-07-17 Nokia Corp Verfahren zur kanalzuweisung zu einem mobilen endgerät das sich in einem zellularen kommunikationsnetz bewegt
JP2003046471A (ja) * 2001-07-30 2003-02-14 Nippon Telegr & Teleph Corp <Ntt> Ｏｆｄｍ送信回路
JP3727283B2 (ja) * 2001-11-26 2005-12-14 松下電器産業株式会社 無線送信装置、無線受信装置及び無線送信方法
EP1531568A4 (en) * 2002-08-23 2011-10-26 Panasonic Corp ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING TRANSMISSION DEVICE AND CODE DIVISION MULTIPLE ACCESS AND OPTICAL FREQUENCY MULTIPLEXING TRANSMISSION METHOD AND CODE DIVISION MULTIPLE ACCESS
CN100568790C (zh) * 2002-10-10 2009-12-09 松下电器产业株式会社 多载波发送设备和多载波发送方法
JP3583414B2 (ja) * 2002-11-14 2004-11-04 松下電器産業株式会社 Ｃｄｍａ送信装置およびｃｄｍａ受信装置
EP1443682B1 (en) * 2003-01-31 2010-05-26 NTT DoCoMo, Inc. Transmission synchronization
US8422434B2 (en) * 2003-02-18 2013-04-16 Qualcomm Incorporated Peak-to-average power ratio management for multi-carrier modulation in wireless communication systems
CN1536925A (zh) * 2003-04-11 2004-10-13 �ʼҷ����ֵ��ӹɷ����޹�˾ 在tdd cdma通信体系中支持p2p通信的方法和装置
US7177297B2 (en) * 2003-05-12 2007-02-13 Qualcomm Incorporated Fast frequency hopping with a code division multiplexed pilot in an OFDMA system
CN1883137B (zh) * 2003-05-12 2012-11-21 高通股份有限公司 在无线多载波通信系统中接收宽带导频的方法和装置
US7012912B2 (en) * 2003-05-14 2006-03-14 Qualcomm Incorporated Power control and scheduling in an OFDM system
JP3898671B2 (ja) * 2003-06-27 2007-03-28 株式会社東芝 無線装置
JP4546177B2 (ja) * 2003-07-28 2010-09-15 パナソニック株式会社 無線通信装置および無線通信方法
US8018893B2 (en) * 2003-09-03 2011-09-13 Motorola Mobility, Inc. Method and apparatus for relay facilitated communications
WO2005050885A1 (ja) * 2003-11-21 2005-06-02 Matsushita Electric Industrial Co., Ltd. マルチアンテナ受信装置、マルチアンテナ受信方法、マルチアンテナ送信装置及びマルチアンテナ通信システム
KR20050053907A (ko) * 2003-12-03 2005-06-10 삼성전자주식회사 직교 주파수 분할 다중 접속 방식을 사용하는 이동 통신시스템에서 서브 캐리어 할당 방법
KR100560386B1 (ko) * 2003-12-17 2006-03-13 한국전자통신연구원 무선 통신 시스템의 상향 링크에서 코히어런트 검출을위한 직교주파수 분할 다중 접속 방식의 송수신 장치 및그 방법
KR100754794B1 (ko) * 2004-05-29 2007-09-03 삼성전자주식회사 이동통신시스템에서 셀 식별 코드 송수신 장치 및 방법
US8031686B2 (en) * 2004-06-30 2011-10-04 Neocific, Inc. Methods and apparatus for power control in multi-carrier wireless systems
JP4592523B2 (ja) * 2004-07-29 2010-12-01 パナソニック株式会社 無線送信装置および無線受信装置
JP2008510410A (ja) * 2004-08-16 2008-04-03 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ シャープネスエンハンサを有するビデオプロセッサ
US8484272B2 (en) * 2004-08-20 2013-07-09 Qualcomm Incorporated Unified pulse shaping for multi-carrier and single-carrier waveforms
EP2323305A3 (en) * 2004-09-27 2012-08-15 Sharp Kabushiki Kaisha Radio transmission device
CN1780276B (zh) * 2004-11-25 2012-01-04 都科摩（北京）通信技术研究中心有限公司 正交频分复用系统中联合时间同步和频偏估计方法及装置
KR100584409B1 (ko) * 2004-12-29 2006-05-26 삼성전자주식회사 직교주파수분할다중접속 기반의 셀룰러 시스템을 위한중계 통신 방법
EP1851889B1 (en) * 2005-02-10 2016-11-23 Telefonaktiebolaget LM Ericsson (publ) Quality-based data scheduling
US20060187887A1 (en) * 2005-02-18 2006-08-24 Lg Electronics Inc. Wireless multiple access system for suppressing inter-cell interference
US8031583B2 (en) * 2005-03-30 2011-10-04 Motorola Mobility, Inc. Method and apparatus for reducing round trip latency and overhead within a communication system
MX2007015007A (es) 2005-05-31 2008-02-15 Qualcomm Inc Reconocimiento de asignacion para un sistema de comunicacion inalambrica.
KR101154979B1 (ko) * 2005-07-22 2012-06-18 엘지전자 주식회사 다중 반송파 시스템의 데이터 송수신 장치 및 데이터송수신 방법
US7508842B2 (en) * 2005-08-18 2009-03-24 Motorola, Inc. Method and apparatus for pilot signal transmission
US7961800B2 (en) * 2005-09-07 2011-06-14 Nec Corporation Adaptive radio/modulation apparatus, receiver apparatus, wireless communication system, and wireless communication method
WO2007059114A2 (en) * 2005-11-14 2007-05-24 Conexant Systems, Inc. Systems and methods for improved bit-loading for discrete multi-tone modulated multiple latency applications
KR100934656B1 (ko) * 2006-02-06 2009-12-31 엘지전자 주식회사 다중 반송파 시스템에서의 무선 자원 할당 방법
KR100913089B1 (ko) * 2006-02-07 2009-08-21 엘지전자 주식회사 다중 반송파 시스템에 적용되는 파일럿 신호 전송 방법
US8891637B2 (en) * 2006-02-08 2014-11-18 Qualcomm Incorporated Spectral shaping to reduce peak-to-average ratio in wireless communication
KR100751098B1 (ko) * 2006-02-16 2007-08-22 주식회사 팬택앤큐리텔 직교 주파수 분할 다중화 기반 통신 시스템에서의 파일럿심볼 전송 방법 및 장치, 그 수신방법 및 장치
KR101227490B1 (ko) * 2006-03-13 2013-01-29 엘지전자 주식회사 최대 전력 대 평균 전력 제어 방법 및 장치
US8098745B2 (en) * 2006-03-27 2012-01-17 Texas Instruments Incorporated Random access structure for wireless networks
KR101029688B1 (ko) * 2007-03-20 2011-04-15 후지쯔 가부시끼가이샤 교통 시스템에서의 무선 통신 방법 및 무선 기지국 및 무선 단말기
CN102685057B (zh) 2007-09-12 2015-06-17 夏普株式会社 发送装置及方法、ofdm发送装置及方法和无线通信系统
US8275055B2 (en) * 2007-11-20 2012-09-25 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Industry, Through The Communications Research Centre Canada Receiver for differentially modulated multicarrier signals

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05102943A (ja) * 1991-10-04 1993-04-23 Nippon Telegr & Teleph Corp <Ntt> スペクトル拡散伝送方式
JP2001238269A (ja) * 2000-02-25 2001-08-31 Kddi Corp 無線通信システムのサブキャリア割当方法
JP2003179573A (ja) * 2001-08-10 2003-06-27 Matsushita Electric Ind Co Ltd 送信装置、受信装置及び無線通信方法
JP2007151059A (ja) 2005-03-31 2007-06-14 Ntt Docomo Inc 送信装置、受信装置および移動通信システム並びに送信制御方法
WO2006114932A1 (ja) * 2005-04-18 2006-11-02 Sharp Kabushiki Kaisha 無線通信装置および無線通信方法
JP2006313993A (ja) * 2005-05-06 2006-11-16 National Institute Of Information & Communication Technology 超広帯域負荷分散型無線通信方法及びシステム
WO2008081876A1 (ja) * 2006-12-28 2008-07-10 Sharp Kabushiki Kaisha 無線送信装置、制御装置、無線通信システムおよび通信方法

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
"Variable spreading-factor-Orthogonal Frequency and Code Division Multiplexing (VSF-OFCDM) for Broadband Packet Wireless Access", IEICE TRANS. COMMUN., vol. E86-B, no. 1, January 2003 (2003-01-01)
CHIKARA KOJIMA ET AL.: "Tachi Hencho CI/OFDM Hoshiki no PAPR Tokusei", 2005 NEN IEICE COMMUNICATIONS SOCIETY CONFERENCE KOEN RONBUNSHU 1, 7 September 2005 (2005-09-07), pages 476 (B-5-76), XP008131079 *
NTT DOCOMO ET AL.: "DFT-spread OFDM with pulse shaping filter in frequency domain in evolved UTRA uplink", 3 GPP TSG RAN WG1 #42 ON LTE R1-050702, September 2005 (2005-09-01), pages 1 - 8, XP050100352 *
RYO KOIZUMI ET AL: "Mishiyo subcarrier ga Sonzai suru Baai no CI/OFDM no PAPR Tokusei", PROCEEDINGS OF THE 2006 IEICE GENERAL CONFERENCE TSUSHIN 1, 8 March 2006 (2006-03-08), pages 454 (B-5-101), XP008131078 *
See also references of EP2190139A4

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011176510A (ja) * 2010-02-23 2011-09-08 Nippon Telegr & Teleph Corp <Ntt> 無線ａｃｋ送受信システム、宛先局装置、生起局装置、及び無線ａｃｋ送受信方法
JP2012235449A (ja) * 2011-04-28 2012-11-29 Intel Corp 低電力無線ネットワークにおける通信方法及び構成
US9357437B2 (en) 2011-04-28 2016-05-31 Intel Corporation Methods and arrangements for communications in low power wireless networks
US9867082B2 (en) 2011-04-28 2018-01-09 Intel Corporation Methods and arrangements for communications in low power wireless networks
US9313301B2 (en) 2011-08-24 2016-04-12 Intel Corporation Systems, methods, and apparatus for a low rate PHY structure
JP2017112575A (ja) * 2015-12-18 2017-06-22 武 服部 基地局、移動局、及び、通信方法
WO2018030191A1 (ja) * 2016-08-10 2018-02-15 シャープ株式会社 送信装置及び通信方法
US11012111B2 (en) 2016-08-10 2021-05-18 Sharp Kabushiki Kaisha Transmitter and communication method
JP2020137003A (ja) * 2019-02-22 2020-08-31 パナソニック株式会社 基地局、無線通信システム、及び、制御方法
JP7340338B2 (ja) 2019-02-22 2023-09-07 パナソニックホールディングス株式会社 基地局、無線通信システム、及び、制御方法
CN112383324A (zh) * 2020-11-09 2021-02-19 上海德寰通信技术有限公司 一种卫星通讯方法、装置、设备及存储介质

Also Published As

Publication number Publication date
JP2013132068A (ja) 2013-07-04
CN103607216B (zh) 2016-05-18
CN101803255A (zh) 2010-08-11
JP2012100323A (ja) 2012-05-24
US8654751B2 (en) 2014-02-18
CN102685057A (zh) 2012-09-19
EP2190139B1 (en) 2013-09-11
US20120213054A1 (en) 2012-08-23
JP5078172B2 (ja) 2012-11-21
EP2472731A1 (en) 2012-07-04
US20100215080A1 (en) 2010-08-26
CN103607216A (zh) 2014-02-26
EP2472731B1 (en) 2018-11-07
CN101803255B (zh) 2013-11-20
CN102685057B (zh) 2015-06-17
JP2015029281A (ja) 2015-02-12
JPWO2009035076A1 (ja) 2010-12-24
US8681688B2 (en) 2014-03-25
JP5830145B2 (ja) 2015-12-09
EP2190139A1 (en) 2010-05-26
EP2190139A4 (en) 2012-01-18
US20140126465A1 (en) 2014-05-08

Similar Documents

Publication Publication Date Title
WO2009035076A1 (ja) 無線通信方法、無線通信システムおよび無線送信装置
WO2010007562A3 (en) Uplink power control in aggregated spectrum systems
WO2011129611A3 (en) Method and apparatus of transmitting uplink signal
WO2008078357A1 (ja) 無線通信方法及び基地局並びにユーザ端末
WO2009099288A3 (en) Autonomous user equipment transmission power control in communication systems
WO2011126243A3 (ko) 채널상태정보 피드백 장치와 그 방법, 기지국
EP2521296A3 (en) Systems and methods for reducing power consumption using a variable constraint length convolutional encoder
WO2012036456A3 (ko) 상향링크 자원 할당을 위한 방법 및 장치
WO2009082582A3 (en) Method and apparatus for direct digital to radio frequency conversion
EP1983678A3 (en) Method of transmitting and receiving a signal and apparatus for transmitting and receiving a signal
WO2011155761A3 (en) Method and system decoding audio data with selective power control
WO2010107880A3 (en) Method and apparatus for power control of sounding reference signal (srs) transmission
WO2013008252A3 (en) An integrated, interoperable and re-configurable automation system
WO2010018980A3 (ko) 무선 통신 시스템에서 제어신호 전송 방법 및 장치
WO2012167111A3 (en) Antenna control
MX2010003636A (es) Metodo para transmitir y recibir se?ales usando frecuencias de radio de banda multiple.
WO2010016729A3 (en) Method and apparatus for transmitting signal in wireless communication system
WO2011112909A8 (en) Power efficient communications
ATE495585T1 (de) Hf-kommunikationssystem
EP2016748A4 (en) SYSTEM AND METHOD FOR CONTROLLING A WIRELESS DEVICE
WO2012026787A3 (en) Apparatus and method for transmitting and receiving data in a communication or broadcasting system using linear block code
WO2010056079A3 (ko) 무선 통신 시스템에서 정보 전송 방법 및 장치
WO2009069262A1 (ja) 無線送信装置および無線送信方法
EP2315362A3 (en) Wireless transmitter for high mobility and high throughput and mode control method thereof
WO2006051481A3 (en) A method of operating a communication system, a radio station, and a radio communication system

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 200880106377.8

Country of ref document: CN

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

Ref document number: 08831182

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2009532238

Country of ref document: JP

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: 12677742

Country of ref document: US

WWE Wipo information: entry into national phase

Ref document number: 2008831182

Country of ref document: EP

NENP Non-entry into the national phase

Ref country code: DE