CN1463563A - 无线基站装置和通信终端装置 - Google Patents
无线基站装置和通信终端装置 Download PDFInfo
- Publication number
- CN1463563A CN1463563A CN02801710A CN02801710A CN1463563A CN 1463563 A CN1463563 A CN 1463563A CN 02801710 A CN02801710 A CN 02801710A CN 02801710 A CN02801710 A CN 02801710A CN 1463563 A CN1463563 A CN 1463563A
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- China
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- signal
- ofdm
- parameter
- despreading
- envelope
- Prior art date
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Links
- 238000004891 communication Methods 0.000 title claims description 37
- 230000005540 biological transmission Effects 0.000 claims abstract description 74
- 238000001228 spectrum Methods 0.000 claims description 49
- 238000013459 approach Methods 0.000 claims description 35
- 238000012545 processing Methods 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 24
- 238000005259 measurement Methods 0.000 claims description 20
- 238000000605 extraction Methods 0.000 claims description 16
- 239000000284 extract Substances 0.000 claims description 12
- 230000008054 signal transmission Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 description 19
- 238000010586 diagram Methods 0.000 description 17
- 230000007775 late Effects 0.000 description 5
- 230000002123 temporal effect Effects 0.000 description 5
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 230000005906 menstruation Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002789 length control Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- 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
- H04L27/2602—Signal structure
- H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
- H04L27/2607—Cyclic extensions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
-
- 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
- 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
- H04L27/2602—Signal structure
- H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/36—Modulator circuits; Transmitter circuits
- H04L27/362—Modulation using more than one carrier, e.g. with quadrature carriers, separately amplitude modulated
- H04L27/364—Arrangements for overcoming imperfections in the modulator, e.g. quadrature error or unbalanced I and Q levels
-
- 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, e.g. multi-user orthogonal frequency division multiple access [OFDMA]
- H04L5/026—Multiplexing of multicarrier modulation signals, e.g. multi-user orthogonal frequency division multiple access [OFDMA] using code division
-
- 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
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
- H04L5/1469—Two-way operation using the same type of signal, i.e. duplex using time-sharing
- H04L5/1484—Two-way operation using the same type of signal, i.e. duplex using time-sharing operating bytewise
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (12)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP146576/2001 | 2001-05-16 | ||
JP2001146576A JP3628977B2 (ja) | 2001-05-16 | 2001-05-16 | 無線基地局装置及び通信端末装置 |
JP146576/01 | 2001-05-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1463563A true CN1463563A (zh) | 2003-12-24 |
CN1235435C CN1235435C (zh) | 2006-01-04 |
Family
ID=18992198
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB028017102A Expired - Fee Related CN1235435C (zh) | 2001-05-16 | 2002-05-13 | 无线基站装置和通信终端装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7298692B2 (zh) |
EP (1) | EP1298948A4 (zh) |
JP (1) | JP3628977B2 (zh) |
KR (1) | KR100543281B1 (zh) |
CN (1) | CN1235435C (zh) |
WO (1) | WO2002093962A1 (zh) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100429877C (zh) * | 2004-04-14 | 2008-10-29 | 株式会社Ntt都科摩 | 无线传输系统、无线中继系统和通信装置 |
CN101779428A (zh) * | 2007-08-14 | 2010-07-14 | 株式会社Ntt都科摩 | 接收装置和数据取得方法 |
CN101223717B (zh) * | 2005-08-23 | 2011-09-21 | 三菱电机株式会社 | 无线通信系统以及通信装置 |
CN1797966B (zh) * | 2004-12-28 | 2012-03-28 | 阿尔卡特公司 | 终端和优化其正向/逆向傅立叶变换计算装置资源的方法 |
CN101375536B (zh) * | 2006-01-17 | 2012-07-18 | 学校法人同志社 | 多载波码分多址系统、发射器以及接收器 |
CN103152306A (zh) * | 2005-06-14 | 2013-06-12 | 株式会社Ntt都科摩 | 生成无线参数组的装置、发送机和接收机 |
US8537796B2 (en) | 2008-08-25 | 2013-09-17 | Aware, Inc. | Identification of packet traffic transmitted by various devices operated in multiple overlapped frequency bands in packet-based OFDM systems |
CN102984111B (zh) * | 2005-04-28 | 2015-04-22 | 株式会社Ntt都科摩 | 移动通信系统、发送机、接收机及发送方法、接收方法 |
CN107404451A (zh) * | 2016-05-18 | 2017-11-28 | 上海复旦微电子集团股份有限公司 | 一种bpsk解调方法及装置、接收机 |
Families Citing this family (29)
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US7952511B1 (en) | 1999-04-07 | 2011-05-31 | Geer James L | Method and apparatus for the detection of objects using electromagnetic wave attenuation patterns |
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 |
EP1489807B1 (en) | 2003-06-11 | 2007-11-14 | NTT DoCoMo, Inc. | OFDM signal frame generator with adaptive pilot and data arrangement |
WO2005011167A1 (ja) * | 2003-07-29 | 2005-02-03 | Fujitsu Limited | Ofdmシステムにおけるパイロット多重方法及び送受信装置 |
US7969857B2 (en) | 2003-08-07 | 2011-06-28 | Nortel Networks Limited | OFDM system and method employing OFDM symbols with known or information-containing prefixes |
KR101109885B1 (ko) * | 2003-08-20 | 2012-02-15 | 파나소닉 주식회사 | 무선 통신 장치 및 서브 캐리어의 할당 방법 |
WO2005109705A1 (en) | 2004-05-01 | 2005-11-17 | Neocific, Inc. | Methods and apparatus for communication with time-division duplexing |
US7386027B2 (en) * | 2004-03-31 | 2008-06-10 | Matsushita Electric Industrial Co., Ltd. | Methods and apparatus for generating and processing wideband signals having reduced discrete power spectral density components |
US8588203B2 (en) * | 2004-06-04 | 2013-11-19 | Qualcomm Incorporated | Wireless communication system with improved broadcast coverage |
US7149264B2 (en) * | 2004-06-14 | 2006-12-12 | Qualcomm, Incorporated | CDMA pilot assisted channel estimation |
CN101053266B (zh) * | 2004-11-10 | 2010-05-05 | 富士通株式会社 | 小区选择装置及小区选择方法 |
US7720510B2 (en) | 2004-11-15 | 2010-05-18 | Bae Systems Plc | Data communications between terminals in a mobile communication system |
WO2006064541A1 (ja) * | 2004-12-14 | 2006-06-22 | Fujitsu Limited | 無線通信装置および通信方法 |
US20060159187A1 (en) * | 2005-01-14 | 2006-07-20 | Haifeng Wang | System and method for utilizing different known guard intervals in single/multiple carrier communication systems |
US7609773B2 (en) * | 2005-04-18 | 2009-10-27 | Qualcomm Incorporated | Method of determining the location of the FFT window and the delay spread for the platinum broadcast channel estimator |
CN1909534A (zh) * | 2005-08-02 | 2007-02-07 | 松下电器产业株式会社 | 可重构ofdm系统及其发送和接收操作方法 |
WO2007023913A1 (ja) * | 2005-08-26 | 2007-03-01 | Sharp Kabushiki Kaisha | 通信制御装置、通信端末装置、無線通信システムおよび送信方法 |
WO2007043108A1 (ja) * | 2005-09-30 | 2007-04-19 | Mitsubishi Denki Kabushiki Kaisha | 無線通信システムおよび無線通信方法 |
JP4425880B2 (ja) * | 2006-01-18 | 2010-03-03 | 株式会社エヌ・ティ・ティ・ドコモ | 通信装置、移動局及び方法 |
JP4748678B2 (ja) * | 2006-05-18 | 2011-08-17 | Kddi株式会社 | パイロット信号配置を適応的に変更する無線装置、プログラム及び通信方法 |
JP2009538032A (ja) * | 2006-05-19 | 2009-10-29 | エルジー エレクトロニクス インコーポレイティド | 無線通信システムにおける効果的で効率的な送信のために無線資源を構成する方法 |
US7801084B2 (en) * | 2006-06-09 | 2010-09-21 | Intel Corporation | Doppler frequency determination for mobile wireless devices |
JP4927471B2 (ja) | 2006-08-10 | 2012-05-09 | 京セラ株式会社 | Ofdm通信装置及びガードインターバル長決定方法 |
WO2009002021A1 (en) * | 2007-06-28 | 2008-12-31 | Kt Corporation | System for supporting video message service and method thereof |
US8811373B2 (en) * | 2007-08-15 | 2014-08-19 | Qualcomm Incorporated | Rate matching of messages containing system parameters |
US9072071B2 (en) * | 2008-05-19 | 2015-06-30 | Qualcomm Incorporated | Methods and systems for CDMA network switching notification in a WiMAX network |
JP5115534B2 (ja) * | 2009-10-14 | 2013-01-09 | 富士通株式会社 | 無線通信システム及び無線通信方法 |
US9692550B2 (en) | 2012-11-29 | 2017-06-27 | Huawei Technologies Co., Ltd. | Systems and methods for waveform selection and adaptation |
US10044404B2 (en) * | 2016-12-06 | 2018-08-07 | Ingenu | Synchronized access point transmissions with random timing |
Family Cites Families (27)
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US3735266A (en) * | 1971-12-20 | 1973-05-22 | Bell Telephone Labor Inc | Method and apparatus for reducing crosstalk on cross-polarized communication links |
US5568472A (en) * | 1992-11-04 | 1996-10-22 | Ntt Mobile Communications Network Inc. | Code division multiple access mobile communication system |
US5710768A (en) * | 1994-09-30 | 1998-01-20 | Qualcomm Incorporated | Method of searching for a bursty signal |
SE9600537L (sv) * | 1996-02-14 | 1997-05-26 | Telia Ab | Förfarande och anordning i ett OFDM system med variabel varaktighet av symbolskur |
JP2820919B2 (ja) * | 1996-03-25 | 1998-11-05 | 株式会社ワイ・アール・ピー移動通信基盤技術研究所 | Cdma移動体通信システムおよび送受信機 |
JPH1051354A (ja) * | 1996-05-30 | 1998-02-20 | N T T Ido Tsushinmo Kk | Ds−cdma伝送方法 |
US6067292A (en) * | 1996-08-20 | 2000-05-23 | Lucent Technologies Inc | Pilot interference cancellation for a coherent wireless code division multiple access receiver |
JP2798130B2 (ja) * | 1996-08-29 | 1998-09-17 | 日本電気株式会社 | Cdma方式通信システム |
FI102577B1 (fi) * | 1996-09-05 | 1998-12-31 | Nokia Telecommunications Oy | Lähetys- ja vastaanottomenetelmä ja radiojärjestelmä |
JP3335887B2 (ja) * | 1997-08-20 | 2002-10-21 | 松下電器産業株式会社 | スペクトル拡散復調装置及びスペクトル拡散復調方法 |
EP0915586B1 (en) * | 1997-11-07 | 2005-05-18 | Sony International (Europe) GmbH | Multicarrier transmission, compatible with the existing GSM system |
JP3428965B2 (ja) * | 1998-12-01 | 2003-07-22 | サムスン エレクトロニクス カンパニー リミテッド | 直交周波数分割多重/符号分割多重接続システムの周波数同期装置 |
JP2000244441A (ja) | 1998-12-22 | 2000-09-08 | Matsushita Electric Ind Co Ltd | Ofdm送受信装置 |
EP1065855A1 (en) * | 1999-06-29 | 2001-01-03 | Sony International (Europe) GmbH | Adaptation of cyclic extensions in an OFDM communication system |
JP3715141B2 (ja) * | 1999-07-13 | 2005-11-09 | 松下電器産業株式会社 | 通信端末装置 |
EP1073241A3 (en) * | 1999-07-29 | 2006-05-03 | Matsushita Electric Industrial Co., Ltd. | Symbol synchronisation in multicarrier transmission |
JP2001086035A (ja) * | 1999-09-14 | 2001-03-30 | Nec Corp | Cdmaにおけるセルサーチ方法 |
JP3642757B2 (ja) * | 1999-09-29 | 2005-04-27 | サムスン エレクトロニクス カンパニー リミテッド | 直交周波数分割多重/符号分割多重接続通信システムにおけるパイロットシンボルを利用したタイミングエラーを補償するためのシステム及び方法 |
JP3544635B2 (ja) | 1999-10-05 | 2004-07-21 | 松下電器産業株式会社 | 送受信装置および送受信方法 |
JP2001211102A (ja) * | 2000-01-27 | 2001-08-03 | Nec Ic Microcomput Syst Ltd | レイク受信機 |
JP4306098B2 (ja) * | 2000-06-30 | 2009-07-29 | 株式会社デンソー | 通信装置 |
US6438367B1 (en) * | 2000-11-09 | 2002-08-20 | Magis Networks, Inc. | Transmission security for wireless communications |
DE60143934C5 (de) * | 2000-11-17 | 2021-12-02 | INVTE SP GmbH | Ofdm nachrichtenübertragungsvorrichtung |
JP3462468B2 (ja) * | 2000-11-27 | 2003-11-05 | 松下電器産業株式会社 | Ofdm受信装置、ofdm送信装置およびofdm通信方法 |
US7613101B2 (en) * | 2001-07-26 | 2009-11-03 | Fujitsu Limited | Receiving processing method and apparatus |
WO2003032541A1 (fr) * | 2001-09-28 | 2003-04-17 | Fujitsu Limited | Procede et dispositif de reception a multiplexage par repartition orthogonale de la frequence |
US7248559B2 (en) * | 2001-10-17 | 2007-07-24 | Nortel Networks Limited | Scattered pilot pattern and channel estimation method for MIMO-OFDM systems |
-
2001
- 2001-05-16 JP JP2001146576A patent/JP3628977B2/ja not_active Expired - Fee Related
-
2002
- 2002-05-13 CN CNB028017102A patent/CN1235435C/zh not_active Expired - Fee Related
- 2002-05-13 WO PCT/JP2002/004590 patent/WO2002093962A1/ja active IP Right Grant
- 2002-05-13 EP EP02769571A patent/EP1298948A4/en not_active Withdrawn
- 2002-05-13 KR KR20037000679A patent/KR100543281B1/ko active IP Right Grant
- 2002-05-13 US US10/312,870 patent/US7298692B2/en not_active Expired - Lifetime
Cited By (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100429877C (zh) * | 2004-04-14 | 2008-10-29 | 株式会社Ntt都科摩 | 无线传输系统、无线中继系统和通信装置 |
CN1797966B (zh) * | 2004-12-28 | 2012-03-28 | 阿尔卡特公司 | 终端和优化其正向/逆向傅立叶变换计算装置资源的方法 |
CN102984111B (zh) * | 2005-04-28 | 2015-04-22 | 株式会社Ntt都科摩 | 移动通信系统、发送机、接收机及发送方法、接收方法 |
CN103152306A (zh) * | 2005-06-14 | 2013-06-12 | 株式会社Ntt都科摩 | 生成无线参数组的装置、发送机和接收机 |
CN103152306B (zh) * | 2005-06-14 | 2016-06-29 | 株式会社Ntt都科摩 | 生成无线参数组的装置、发送机和接收机 |
CN101223717B (zh) * | 2005-08-23 | 2011-09-21 | 三菱电机株式会社 | 无线通信系统以及通信装置 |
CN101375536B (zh) * | 2006-01-17 | 2012-07-18 | 学校法人同志社 | 多载波码分多址系统、发射器以及接收器 |
CN101779428A (zh) * | 2007-08-14 | 2010-07-14 | 株式会社Ntt都科摩 | 接收装置和数据取得方法 |
US8750216B2 (en) | 2007-08-14 | 2014-06-10 | Ntt Docomo, Inc. | Receiving apparatus and data obtaining method |
US8964587B2 (en) | 2007-08-14 | 2015-02-24 | Ntt Docomo, Inc. | Receiving apparatus and data obtaining method |
US9363121B2 (en) | 2008-08-25 | 2016-06-07 | Applied Transform, Llc | Identification of packet traffic transmitted by various devices operated in multiple overlapped frequency bands in packet-based OFDM systems |
US8537796B2 (en) | 2008-08-25 | 2013-09-17 | Aware, Inc. | Identification of packet traffic transmitted by various devices operated in multiple overlapped frequency bands in packet-based OFDM systems |
CN105897380A (zh) * | 2008-08-25 | 2016-08-24 | 应用转换有限责任公司 | 无线ofdm收发器中的分组接收方法和装置 |
US9596327B2 (en) | 2008-08-25 | 2017-03-14 | Applied Transform, Llc | Method of detecting packet bandwidth in a wireless OFDM network with multiple overlapped frequency bands |
US9602637B2 (en) | 2008-08-25 | 2017-03-21 | Applied Transform, Llc | Transceiver that detects the packet bandwidth in a wireless OFDM network with multiple overlapped frequency bands |
US9609091B2 (en) | 2008-08-25 | 2017-03-28 | Applied Transform, Llc | Transceiver that indicates the packet bandwidth in a wireless OFDM network with multiple overlapped frequency bands |
US9609092B2 (en) | 2008-08-25 | 2017-03-28 | Applied Trensform, Llc | Method of indicating packet bandwidth in a wireless OFDM network with multiple overlapped frequency bands |
US10091337B2 (en) | 2008-08-25 | 2018-10-02 | Applied Transform, Llc | Identification of packet traffic transmitted by various devices operated in multiple overlapped frequency bands in packet-based OFDM systems |
US10637971B2 (en) | 2008-08-25 | 2020-04-28 | Applied Transform, Llc | Identification of packet traffic transmitted by various devices operated in multiple overlapped frequency bands in packet-based OFDM systems |
US11032401B2 (en) | 2008-08-25 | 2021-06-08 | Applied Transform, Llc | Identification of packet traffic transmitted by various devices operated in multiple overlapped frequency bands in packet-based OFDM systems |
US11736247B2 (en) | 2008-08-25 | 2023-08-22 | Applied Transform, Llc | Identification of packet traffic transmitted by various devices operated in multiple overlapped frequency bands in packet-based OFDM systems |
CN107404451A (zh) * | 2016-05-18 | 2017-11-28 | 上海复旦微电子集团股份有限公司 | 一种bpsk解调方法及装置、接收机 |
CN107404451B (zh) * | 2016-05-18 | 2020-05-29 | 上海复旦微电子集团股份有限公司 | 一种bpsk解调方法及装置、接收机 |
Also Published As
Publication number | Publication date |
---|---|
KR20030018052A (ko) | 2003-03-04 |
US20030147358A1 (en) | 2003-08-07 |
KR100543281B1 (ko) | 2006-01-20 |
JP3628977B2 (ja) | 2005-03-16 |
JP2002345035A (ja) | 2002-11-29 |
EP1298948A4 (en) | 2010-01-13 |
WO2002093962A1 (fr) | 2002-11-21 |
CN1235435C (zh) | 2006-01-04 |
EP1298948A1 (en) | 2003-04-02 |
US7298692B2 (en) | 2007-11-20 |
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