WO2003013039A1 - Appareil de radiocommunication et procede de radiocommunication - Google Patents

Appareil de radiocommunication et procede de radiocommunication Download PDF

Info

Publication number
WO2003013039A1
WO2003013039A1 PCT/JP2002/007747 JP0207747W WO03013039A1 WO 2003013039 A1 WO2003013039 A1 WO 2003013039A1 JP 0207747 W JP0207747 W JP 0207747W WO 03013039 A1 WO03013039 A1 WO 03013039A1
Authority
WO
WIPO (PCT)
Prior art keywords
spreading
radio communication
sets
decision section
spreading ratio
Prior art date
Application number
PCT/JP2002/007747
Other languages
English (en)
French (fr)
Inventor
Kazunori Inogai
Mitsuru Uesugi
Atsushi Sumasu
Original Assignee
Matsushita Electric Industrial Co., Ltd.
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 Matsushita Electric Industrial Co., Ltd. filed Critical Matsushita Electric Industrial Co., Ltd.
Priority to EP02751807A priority Critical patent/EP1317087A4/en
Publication of WO2003013039A1 publication Critical patent/WO2003013039A1/ja

Links

Classifications

    • 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
    • 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
    • H04B1/7097—Interference-related aspects
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0212—Channel estimation of impulse response
    • H04L25/0216—Channel estimation of impulse response with estimation of channel length
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/022—Channel estimation of frequency response
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0222—Estimation of channel variability, e.g. coherence bandwidth, coherence time, fading frequency
    • 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
    • H04B2201/70703—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation using multiple or variable rates
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0016—Time-frequency-code
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
PCT/JP2002/007747 2001-07-31 2002-07-30 Appareil de radiocommunication et procede de radiocommunication WO2003013039A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP02751807A EP1317087A4 (en) 2001-07-31 2002-07-30 RADIO COMMUNICATION APPARATUS AND RADIO COMMUNICATION METHOD

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001232825A JP3628987B2 (ja) 2001-07-31 2001-07-31 無線通信装置および無線通信方法
JP2001-232825 2001-07-31

Publications (1)

Publication Number Publication Date
WO2003013039A1 true WO2003013039A1 (fr) 2003-02-13

Family

ID=19064679

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2002/007747 WO2003013039A1 (fr) 2001-07-31 2002-07-30 Appareil de radiocommunication et procede de radiocommunication

Country Status (5)

Country Link
US (1) US20030185179A1 (ja)
EP (1) EP1317087A4 (ja)
JP (1) JP3628987B2 (ja)
CN (1) CN1473408A (ja)
WO (1) WO2003013039A1 (ja)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI115813B (fi) * 2001-04-27 2005-07-15 Nokia Corp Järjestelmä ryhmäviestin lähettämiseksi
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
CA2428576C (en) * 2002-05-16 2008-10-07 Ntt Docomo, Inc. Transmitter for multi-carrier transmission and multi-carrier transmitting method
US20040110508A1 (en) * 2002-09-20 2004-06-10 Jacobus Haartsen Methods and electronic devices for wireless ad-hoc network communications using receiver determined channels and transmitted reference signals
US7826514B2 (en) 2003-04-24 2010-11-02 Nec Corporation Radio transmitter-receiving apparatus and radio transmitting-receiving method for estimating noise and interference power in radio transmission using code spread
JP2004363721A (ja) * 2003-06-02 2004-12-24 Matsushita Electric Ind Co Ltd 無線通信システム及び無線通信方法
JP4157506B2 (ja) * 2003-07-29 2008-10-01 株式会社東芝 無線受信装置及び無線受信方法
EP1641160A4 (en) * 2003-07-31 2012-07-04 Panasonic Corp RADIO TRANSMITTER APPARATUS AND METHOD OF SELECTING A MODULATION MECHANISM
JP2005057429A (ja) 2003-08-01 2005-03-03 Nec Corp Ｃｄｍａ通信装置およびその方法
CN1833386B (zh) 2003-08-19 2011-04-06 松下电器产业株式会社 无线发送装置以及无线发送方法
US20050141598A1 (en) * 2003-12-30 2005-06-30 Hidenori Akita Method and apparatus for estimating a SIR of a pilot channel in a MC-CDMA system
AU2003295307A1 (en) 2003-12-31 2005-07-21 Agency For Science, Technology And Research A variable spreading factor-orthogonal frequency and code division multiplexing (vsf-ofcdm) system, a receiver for use therein and a method of processing received signals in such a system
US7397839B2 (en) 2004-01-27 2008-07-08 Ntt Docomo, Inc. OFDM communication system and method
JP4546145B2 (ja) * 2004-05-11 2010-09-15 モトローラ・インコーポレイテッド マルチキャリア伝送システム及びマルチキャリア伝送用受信装置
WO2006001143A1 (ja) * 2004-06-24 2006-01-05 Matsushita Electric Industrial Co., Ltd. 無線送信装置、無線受信装置およびシンボル配置方法
US7830976B2 (en) * 2004-07-16 2010-11-09 Qualcomm Incorporated Iterative channel and interference estimation with dedicated pilot tones for OFDMA
CN1756246A (zh) * 2004-09-29 2006-04-05 松下电器产业株式会社 子载波通信系统中自适应调节子载波组速率的方法及设备
RU2007111456A (ru) * 2004-09-29 2008-10-10 Мацусита Электрик Индастриал Ко., Лтд. (Jp) Устройство радиосвязи и способ радиосвязи
JP4086833B2 (ja) * 2004-10-27 2008-05-14 日本電波工業株式会社 高周波無線機の制御方法及び高周波無線機システム
US7649861B2 (en) * 2004-11-30 2010-01-19 Intel Corporation Multiple antenna multicarrier communication system and method with reduced mobile-station processing
WO2006059680A1 (ja) * 2004-12-03 2006-06-08 Matsushita Electric Industrial Co., Ltd. 無線通信装置およびデータ多重方法
US7822128B2 (en) * 2004-12-03 2010-10-26 Intel Corporation Multiple antenna multicarrier transmitter and method for adaptive beamforming with transmit-power normalization
JP4398473B2 (ja) 2004-12-14 2010-01-13 富士通株式会社 拡散コード割当方法、逆拡散方法、送信装置、受信装置、通信装置、無線基地局装置、及び移動端末装置
JP4213660B2 (ja) * 2004-12-22 2009-01-21 株式会社東芝 無線通信システム及び無線送信機
WO2006077620A1 (ja) * 2005-01-18 2006-07-27 Fujitsu Limited Ofdm-cdma通信システムにおける送信方法および送信装置
US7421045B2 (en) * 2005-03-18 2008-09-02 Interdigital Technology Corporation Method and apparatus for computing SIR of time varying signals in a wireless communication system
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
US7548577B2 (en) * 2005-06-06 2009-06-16 Interdigital Technology Corporation Frequency domain joint detection for wireless communication systems
JP2007043492A (ja) * 2005-08-03 2007-02-15 Casio Comput Co Ltd Ｏｆｄｍ復調装置、ｏｆｄｍ復調回路及びｏｆｄｍ復調方法
CN1921362B (zh) * 2005-08-23 2011-09-21 中兴通讯股份有限公司 一种码分多址通信系统中正交可变扩频码分配方法
JP4637721B2 (ja) * 2005-11-04 2011-02-23 Ｋｄｄｉ株式会社 多元接続方法
FR2894416B1 (fr) * 2005-12-05 2008-02-29 Commissariat Energie Atomique Procede et dispositif de selection des parametres d'etalement d'un systeme ofdm cdma
JP2008035285A (ja) 2006-07-28 2008-02-14 Kyocera Corp 無線通信装置及び無線通信方法
JP4973726B2 (ja) 2007-03-02 2012-07-11 富士通株式会社 無線通信システムにおけるデータ割り当て方法、及び無線通信システム
US7778318B1 (en) * 2007-08-15 2010-08-17 Agilent Technologies, Inc. OFDM gain compression measurement
KR101466943B1 (ko) * 2008-04-04 2014-12-02 삼성전자주식회사 주파수 영역 등화를 위한 송신기 및 수신기
WO2010052800A1 (en) * 2008-11-05 2010-05-14 Ntt Docomo, Inc. Two-dimensional code spreading for interleaved fdma system
US8155166B2 (en) * 2009-09-30 2012-04-10 Mitsubishi Electric Research Laboratories, Inc. Reducing inter-carrier-interference in OFDM networks
CN103220237B (zh) * 2012-01-20 2017-03-29 电信科学技术研究院 一种传输、接收cdma扩频符的方法及装置
JP6149356B2 (ja) * 2012-06-29 2017-06-21 株式会社Ｓｏｋｅｎ 無線通信システム
KR101912210B1 (ko) 2016-04-12 2018-10-26 고려대학교 산학협력단 동일한 자원으로 광대역 트래픽과 기계간 통신 트래픽 또는 초저지연 통신 트래픽을 동시에 다중화하여 전송하는 장치 및 그 방법
JP6982288B2 (ja) * 2017-03-31 2021-12-17 学校法人福岡大学 信号処理システム、受信方法及びプログラム

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000004191A (ja) * 1996-11-14 2000-01-07 Matsushita Electric Ind Co Ltd アルゴリズムダイバーシチを用いた受信装置
JP2000115087A (ja) * 1998-09-30 2000-04-21 Jisedai Digital Television Hoso System Kenkyusho:Kk 遅延プロファイル測定装置
JP2000286817A (ja) * 1999-03-30 2000-10-13 Jisedai Digital Television Hoso System Kenkyusho:Kk Ｏｆｄｍ用受信装置
JP2000332724A (ja) * 1999-05-17 2000-11-30 Mitsubishi Electric Corp マルチキャリア伝送システムおよびマルチキャリア変調方法
JP2001069113A (ja) * 1999-08-26 2001-03-16 Mitsubishi Electric Corp マルチキャリア同期検波回路

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1364358A (zh) * 2000-03-17 2002-08-14 松下电器产业株式会社 无线通信装置和无线通信方法
BR0212206A (pt) * 2001-08-30 2004-09-21 Ntt Docomo Inc Sistema e processo de radiotransmissão, e aparelho transmissor e aparelho receptor usados no sistema de radiotransmissão

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000004191A (ja) * 1996-11-14 2000-01-07 Matsushita Electric Ind Co Ltd アルゴリズムダイバーシチを用いた受信装置
JP2000115087A (ja) * 1998-09-30 2000-04-21 Jisedai Digital Television Hoso System Kenkyusho:Kk 遅延プロファイル測定装置
JP2000286817A (ja) * 1999-03-30 2000-10-13 Jisedai Digital Television Hoso System Kenkyusho:Kk Ｏｆｄｍ用受信装置
JP2000332724A (ja) * 1999-05-17 2000-11-30 Mitsubishi Electric Corp マルチキャリア伝送システムおよびマルチキャリア変調方法
JP2001069113A (ja) * 1999-08-26 2001-03-16 Mitsubishi Electric Corp マルチキャリア同期検波回路

Also Published As

Publication number Publication date
JP2003046474A (ja) 2003-02-14
CN1473408A (zh) 2004-02-04
JP3628987B2 (ja) 2005-03-16
EP1317087A4 (en) 2006-03-15
US20030185179A1 (en) 2003-10-02
EP1317087A1 (en) 2003-06-04

Similar Documents

Publication Publication Date Title
WO2003013039A1 (fr) Appareil de radiocommunication et procede de radiocommunication
EP1130840A3 (en) Spread-spectrum multicarrier modulation for cellular communication
EP1187358A3 (en) Spread spectrum communication device and spread spectrum communication method
WO2002058341A3 (en) Apparatus, and associated method, for dynamically selecting frequency levels upon which to define communication channels in a radio communication system
EP1067812A3 (en) Radio network control
WO2003009504A1 (fr) Emetteur, recepteur et procede de communication radio sur des porteuses multiples
WO2000013337A3 (en) Method and apparatus for reducing amplitude variations in communication signals employing inserted pilot symbol
WO2005041462A3 (en) Wireless local area network future service quality determination method
WO2005048504A3 (en) Apparatus and methods for central control of mesh networks
EP1670154A3 (en) Downlink power control for multiple downlink time slots in TDD communications systems
EP1587235A3 (en) Transmitting high rate data within a MIMO WLA
CA2399265A1 (en) Multi-frequency data transmission channel power allocation
WO2001099384A3 (en) Method and apparatus for dynamic packet selection in bluetoth
WO2003019794A3 (en) Method and apparatus implementing retransmission in a communication system providing h-arq
EP1630972A3 (en) Communication terminal apparatus
WO2006011953A3 (en) Method and apparatus for accessing a wireless multi-carrier communication system
WO2003026145A3 (en) Apparatus and method for intersymbol interference compensation in spread spectrum communications systems
WO2002062085A3 (en) Method of optimizing random access performance in a mobile communications network using dynamically controlled persistence techniques
AU2003224534A1 (en) A qos parameters translater
EP0948144A3 (en) IS-95, W-CDMA base station apparatus, mobile communication system and frequency sharing method with transmission power control
WO2001076103A1 (fr) Appareil de communication radio et procede de communication radio
CA2346679A1 (en) Method and radio communication system for controlling power between a base station and a subscriber station
EP1328080A4 (en) METHOD FOR IMPROVING THE PRECISION DEGREE OF CHANNEL ESTIMATION IN A WIRELESS COMMUNICATION SYSTEM
WO2003005617A1 (fr) Appareil et procede de communication radio
WO2004012345A3 (en) Cdma telecommunication system

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BY BZ CA CH CN CO CR CU CZ DE DM DZ EC EE ES FI GB GD GE GH HR HU ID IL IN IS KE KG KP KR KZ LK LR LS LT LU LV MA MD MG MK MW MX MZ NO NZ OM PH PL PT RO SD SE SG SI SK SL TJ TM TN TR TT UA UG US UZ VN YU ZA ZM

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE ES FI GB GD GE GH GM HR HU ID IL IN IS KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ OM PH PL PT RO RU SD SE SG SI SK SL TJ TM TN TR TT TZ UA UG US UZ VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LU MC NL PT SE SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

Kind code of ref document: A1

Designated state(s): GH GM KE LS MW MZ SD SL SZ UG ZM ZW AM AZ BY KG KZ RU TJ TM AT BE BG CH CY CZ DK EE ES FI FR GB GR IE IT LU MC PT SE SK TR BF BJ CF CG CI GA GN GQ GW ML MR NE SN TD TG

WWE Wipo information: entry into national phase

Ref document number: 10381458

Country of ref document: US

WWE Wipo information: entry into national phase

Ref document number: 2002751807

Country of ref document: EP

121 Ep: the epo has been informed by wipo that ep was designated in this application
WWE Wipo information: entry into national phase

Ref document number: 028029488

Country of ref document: CN

WWP Wipo information: published in national office

Ref document number: 2002751807

Country of ref document: EP

REG Reference to national code

Ref country code: DE

Ref legal event code: 8642

WWW Wipo information: withdrawn in national office

Ref document number: 2002751807

Country of ref document: EP