SG100806A1 - Receiver, transmitter, communication system, and method of communication - Google Patents

Receiver, transmitter, communication system, and method of communication

Info

Publication number
SG100806A1
SG100806A1 SG200207843A SG200207843A SG100806A1 SG 100806 A1 SG100806 A1 SG 100806A1 SG 200207843 A SG200207843 A SG 200207843A SG 200207843 A SG200207843 A SG 200207843A SG 100806 A1 SG100806 A1 SG 100806A1
Authority
SG
Singapore
Prior art keywords
communication
transmitter
receiver
communication system
Prior art date
Application number
SG200207843A
Other languages
English (en)
Inventor
Maeda Noriyuki
Atarashi Hiroyuki
Abeta Sadayuki
Sawahashi Mamoru
Original Assignee
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
Application filed by Ntt Docomo Inc filed Critical Ntt Docomo Inc
Publication of SG100806A1 publication Critical patent/SG100806A1/en

Links

Classifications

    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
SG200207843A 2001-12-28 2002-12-27 Receiver, transmitter, communication system, and method of communication SG100806A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001401418 2001-12-28

Publications (1)

Publication Number Publication Date
SG100806A1 true SG100806A1 (en) 2003-12-26

Family

ID=19189773

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200207843A SG100806A1 (en) 2001-12-28 2002-12-27 Receiver, transmitter, communication system, and method of communication

Country Status (8)

Country Link
US (1) US7092431B2 (ko)
EP (1) EP1324513B1 (ko)
KR (1) KR100539628B1 (ko)
CN (1) CN1268081C (ko)
AU (1) AU2002324021B2 (ko)
CA (1) CA2415170C (ko)
DE (1) DE60218123T2 (ko)
SG (1) SG100806A1 (ko)

Families Citing this family (84)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7133380B1 (en) 2000-01-11 2006-11-07 At&T Corp. System and method for selecting a transmission channel in a wireless communication system that includes an adaptive array
US6807405B1 (en) 1999-04-28 2004-10-19 Isco International, Inc. Method and a device for maintaining the performance quality of a code-division multiple access system in the presence of narrow band interference
US20100255890A1 (en) * 2001-06-27 2010-10-07 John Mikkelsen Download management of audio and visual content, product method and system
EP2432190A3 (en) 2001-06-27 2014-02-19 SKKY Incorporated Improved media delivery platform
US20100191602A1 (en) * 2001-06-27 2010-07-29 John Mikkelsen Mobile banking and payment platform
US20100077022A1 (en) * 2001-06-27 2010-03-25 John Mikkelsen Media delivery platform
US20100029261A1 (en) * 2001-06-27 2010-02-04 John Mikkelsen Virtual wireless data cable method, apparatus and system
US9712582B2 (en) 2001-06-27 2017-07-18 Skky, Llc Telephone initiated protocol-improved media delivery platform
JP2003204293A (ja) 2002-01-08 2003-07-18 Communication Research Laboratory フェージング歪みあるいは周波数オフセットの補償伝送方法
KR100456454B1 (ko) * 2002-10-07 2004-11-09 한국전자통신연구원 무선통신에서의 배열 안테나 시스템
JP3629261B2 (ja) * 2002-11-26 2005-03-16 松下電器産業株式会社 無線受信装置
JP4170100B2 (ja) * 2003-01-10 2008-10-22 富士通株式会社 適応アンテナを用いる通信機
JP4283805B2 (ja) * 2003-02-17 2009-06-24 パナソニック モバイルコミュニケーションズ株式会社 雑音電力推定方法及び雑音電力推定装置
US7272176B2 (en) * 2003-02-18 2007-09-18 Qualcomm Incorporated Communication receiver with an adaptive equalizer
US20040161057A1 (en) * 2003-02-18 2004-08-19 Malladi Durga Prasad Communication receiver with a rake-based adaptive equalizer
US7257377B2 (en) * 2003-02-18 2007-08-14 Qualcomm, Incorporated Systems and methods for improving channel estimation
US20040203812A1 (en) * 2003-02-18 2004-10-14 Malladi Durga Prasad Communication receiver with an adaptive equalizer that uses channel estimation
KR100532422B1 (ko) * 2003-02-28 2005-11-30 삼성전자주식회사 동일 심볼을 다수의 채널에 중복적으로 전송하여 통신거리를 확장시킨 무선 랜 시스템의 직교 주파수 분할다중화 송수신 장치 및 그 송수신 방법
CN1806407B (zh) * 2003-06-30 2011-05-18 日本电气株式会社 使用多个发送接收天线的编码扩展无线通信中的扩展编码分配方法及使用了该方法的编码扩展无线通信系统
JP2005027179A (ja) * 2003-07-04 2005-01-27 Toshiba Corp 受信装置および受信回路
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
EP1650891B1 (en) * 2003-07-29 2011-05-04 Fujitsu Limited Pilot multiplexing method and transmission apparatus for an OFDM system
PL3402092T3 (pl) * 2003-08-06 2022-02-21 Optis Wireless Technology, Llc Urządzenie komunikacji bezprzewodowej i sposób komunikacji bezprzewodowej
GB2404822B (en) * 2003-08-07 2007-07-11 Ipwireless Inc Method and arrangement for noise variance and sir estimation
KR100950668B1 (ko) * 2003-09-30 2010-04-02 삼성전자주식회사 직교 주파수 분할 다중 접속 방식을 사용하는 통신 시스템에서 업링크 파일럿 신호 송수신 장치 및 방법
EP1668853B1 (en) * 2003-09-30 2017-07-05 Telecom Italia S.p.A. Channel estimation using different types of pilot symbols
US8027417B2 (en) 2003-12-19 2011-09-27 Nortel Networks Limited Interference-weighted communication signal processing systems and methods
US7630688B2 (en) * 2004-03-31 2009-12-08 Interdigital Technology Corporation Mitigation of wireless transmit/receive unit (WTRU) to WTRU interference using multiple antennas or beams
JP4276677B2 (ja) * 2004-06-14 2009-06-10 パナソニック株式会社 無線通信装置
US7616711B2 (en) * 2004-07-20 2009-11-10 Qualcomm Incorporated Frequency domain filtering to improve channel estimation in multicarrier systems
US8385296B2 (en) * 2004-07-22 2013-02-26 Industry Academic Cooperation Foundation Of Kyunghee University Multi-carrier CDMA transmitting device and method using block-based multi-carrier spreading
EP1622288B1 (en) * 2004-07-27 2012-10-24 Broadcom Corporation Pilot symbol transmission for multiple-transmit communication systems
US7593493B2 (en) * 2004-10-06 2009-09-22 Broadcom Corporation Method and system for pre-equalization in a single weight (SW) single channel (SC) multiple-input multiple-output (MIMO) system
US8406251B2 (en) * 2004-10-06 2013-03-26 Broadcom Corporation Method and system for processing multipath clusters
EP1655918A3 (en) 2004-11-03 2012-11-21 Broadcom Corporation A low-rate long-range mode for OFDM wireless LAN
TWI260890B (en) * 2004-11-19 2006-08-21 Mediatek Inc Combining coefficient estimation apparatus capable of compensating phase noise of OFDM system and combining coefficient estimation method thereof
WO2006064549A1 (ja) 2004-12-14 2006-06-22 Fujitsu Limited 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
JP4270126B2 (ja) * 2004-12-20 2009-05-27 沖電気工業株式会社 符号分割多重通信システム
KR20060082228A (ko) * 2005-01-11 2006-07-18 삼성전자주식회사 다중반송파부호분할다중접속 시스템을 위한 파일럿 기반의채널 추정 방법
EP1699211B1 (en) * 2005-03-04 2008-07-23 Sennheiser Communications A/S A learning headset
JP4905874B2 (ja) * 2005-04-27 2012-03-28 京セラ株式会社 無線通信装置および無線通信装置における制御方法
US7684508B1 (en) * 2005-05-27 2010-03-23 Mediatek Incorporation Transmission diversity detecting apparatus capable of generating quality indicator and related method thereof
US7525942B2 (en) * 2005-09-01 2009-04-28 Isco International, Inc. Method and apparatus for detecting interference using correlation
JP4852551B2 (ja) * 2005-11-16 2012-01-11 シャープ株式会社 マルチキャリア受信装置、マルチキャリア通信システムおよび復調方法
US7924930B1 (en) 2006-02-15 2011-04-12 Marvell International Ltd. Robust synchronization and detection mechanisms for OFDM WLAN systems
WO2007109040A2 (en) * 2006-03-15 2007-09-27 Interdigital Technology Corporation Method and apparatus for switching operating modes of a receiver
JP4189410B2 (ja) * 2006-06-12 2008-12-03 株式会社東芝 無線通信装置及び送信制御方法
US8275323B1 (en) 2006-07-14 2012-09-25 Marvell International Ltd. Clear-channel assessment in 40 MHz wireless receivers
JP4818045B2 (ja) * 2006-09-28 2011-11-16 株式会社東芝 無線通信装置
US7852744B2 (en) * 2006-10-03 2010-12-14 Qualcomm Incorporated Method and apparatus for channel estimation in a wireless communication device
KR100841936B1 (ko) * 2006-12-29 2008-06-27 포스데이타 주식회사 안테나별 간섭을 고려한 수신신호 결합 장치 및 방법과이를 이용한 심볼메트릭 산출 장치 및 방법
KR101341500B1 (ko) * 2007-02-09 2013-12-16 엘지전자 주식회사 역확산 기반 신호 검출 방법 및 이를 위한 신호 송신 방법
KR101454027B1 (ko) * 2007-08-10 2014-10-24 한국전자통신연구원 병렬 구조를 가지는 시분할 다중화 통신 시스템 및 방법
KR100942702B1 (ko) * 2007-08-30 2010-02-17 한국전자통신연구원 심볼 오류정정이 가능한 주파수 선택적 기저대역을사용하는 변복조 방법 및 그 장치
KR100930716B1 (ko) * 2007-10-17 2009-12-09 한국전자통신연구원 신호 전송 방법 및 신호 수신 방법
US20090129444A1 (en) * 2007-11-20 2009-05-21 Juinn-Horng Deng Multi-code multicarrier code division multiple access system in frequency-selective fading channels
KR101436047B1 (ko) * 2007-12-18 2014-09-01 삼성전자주식회사 주파수 분할 다중 접속 시스템에서 디지털 아날로그 변환비트 감소 방법 및 장치
JP4874275B2 (ja) * 2008-02-29 2012-02-15 株式会社エヌ・ティ・ティ・ドコモ 移動局及びマルチキャスト／ブロードキャスト通信方法
KR101018193B1 (ko) * 2008-08-28 2011-02-28 삼성전기주식회사 프리앰블 노이즈 제거회로
US9048919B2 (en) 2008-11-11 2015-06-02 Isco International Llc Method and apparatus for an adaptive filter architecture
US8385483B2 (en) 2008-11-11 2013-02-26 Isco International, Llc Self-adaptive digital RF bandpass and bandstop filter architecture
US20100304744A1 (en) * 2009-05-29 2010-12-02 Qualcomm Incorporated Method and apparatus for performing searches with multiple receive diversity (rxd) search modes
US20110081243A1 (en) * 2009-10-02 2011-04-07 Sullivan John T Helical airfoil wind turbines
US9001866B2 (en) * 2009-11-03 2015-04-07 Unwired Planet, Llc Multi-standard communication
US9173191B2 (en) 2009-12-20 2015-10-27 Intel Corporation Device, system and method of simultaneously communicating with a group of wireless communication devices
US8913566B1 (en) 2010-04-12 2014-12-16 Sprint Spectrum L.P. Using traffic channels to extend wireless coverage in poor pilot-signal conditions
KR101414036B1 (ko) * 2010-07-16 2014-07-01 더 보드 오브 리전츠 오브 더 유니버시티 오브 텍사스 시스템 중계된 무선 통신 네트워크에서 파일럿 및 데이터 심볼을 송신하기 위한 시스템 및 방법
CN102412881B (zh) * 2010-09-26 2015-06-17 日电（中国）有限公司 无线通信系统和用于无线通信系统的波束形成训练方法
KR101551919B1 (ko) 2010-10-22 2015-09-09 한국전자통신연구원 무선 통신 시스템에서 데이터 블록 전송 방법 및 전송기
US8605806B2 (en) * 2011-03-31 2013-12-10 Saankhya Labs Pvt. Ltd. Schemes for detecting guard intervals in OFDM system
US8982849B1 (en) 2011-12-15 2015-03-17 Marvell International Ltd. Coexistence mechanism for 802.11AC compliant 80 MHz WLAN receivers
RU2476984C1 (ru) * 2012-02-07 2013-02-27 Виктор Владимирович Млечин Способ поддержания когерентности модулированных радиосигналов
CN103997364A (zh) * 2013-02-18 2014-08-20 展讯通信（上海）有限公司 多天线接收机中合并多路信号的方法及其装置
US9319916B2 (en) 2013-03-15 2016-04-19 Isco International, Llc Method and appartus for signal interference processing
US9794888B2 (en) 2014-05-05 2017-10-17 Isco International, Llc Method and apparatus for increasing performance of a communication link of a communication node
EP3292642B1 (en) 2015-05-04 2020-01-29 ISCO International, LLC Method and apparatus for increasing performance of communication paths for communication nodes
WO2017210056A1 (en) 2016-06-01 2017-12-07 Isco International, Llc Method and apparatus for performing signal conditioning to mitigate interference detected in a communication system
US10211877B2 (en) * 2016-09-19 2019-02-19 Intel Corporation Multi-carrier dynamic antenna diversity
US10298279B2 (en) 2017-04-05 2019-05-21 Isco International, Llc Method and apparatus for increasing performance of communication paths for communication nodes
US10812121B2 (en) 2017-08-09 2020-10-20 Isco International, Llc Method and apparatus for detecting and analyzing passive intermodulation interference in a communication system
US10284313B2 (en) 2017-08-09 2019-05-07 Isco International, Llc Method and apparatus for monitoring, detecting, testing, diagnosing and/or mitigating interference in a communication system
CN109861800A (zh) * 2018-07-27 2019-06-07 北京新岸线移动通信技术有限公司 一种无线数据传输方法和系统
US11531080B2 (en) * 2019-07-24 2022-12-20 Cypress Semiconductor Corporation Leveraging spectral diversity for machine learning-based estimation of radio frequency signal parameters
CN117939540A (zh) * 2022-10-17 2024-04-26 中兴通讯股份有限公司 宽带信号的补偿方法、装置、设备及存储介质

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0773638A1 (en) * 1995-11-13 1997-05-14 AT&T Corp. Method and apparatus to implement antenna diversity for direct sequence spread spectrum receivers
WO2000005831A1 (en) * 1998-07-20 2000-02-03 Telefonaktiebolaget Lm Ericsson (Publ) Spreader for multiple data rates
WO2001003330A1 (en) * 1999-07-02 2001-01-11 Shattil Steve J Method and apparatus for using frequency diversity to separate wireless communication signals

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5481570A (en) * 1993-10-20 1996-01-02 At&T Corp. Block radio and adaptive arrays for wireless systems
JP3381580B2 (ja) 1996-11-22 2003-03-04 株式会社豊田中央研究所 アダプティブ通信装置
US5940453A (en) * 1996-11-25 1999-08-17 Lucent Technlogies Inc. Artificial fading for frequency offset mitigation
JP2914445B2 (ja) * 1997-08-05 1999-06-28 日本電気株式会社 Ｃｄｍａ適応受信装置
US5982327A (en) * 1998-01-12 1999-11-09 Motorola, Inc. Adaptive array method, device, base station and subscriber unit
US6665286B1 (en) * 1998-02-13 2003-12-16 Nec Corporation Adaptive receiving device removing interference from users and multi-paths by antenna directivity control
JP4287536B2 (ja) 1998-11-06 2009-07-01 パナソニック株式会社 Ｏｆｄｍ送受信装置及びｏｆｄｍ送受信方法
JP3576099B2 (ja) * 2000-12-22 2004-10-13 株式会社東芝 スマートアンテナを用いた受信装置、スマートアンテナを用いた受信方法及びビーム形成回路

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0773638A1 (en) * 1995-11-13 1997-05-14 AT&T Corp. Method and apparatus to implement antenna diversity for direct sequence spread spectrum receivers
US5949833A (en) * 1995-11-13 1999-09-07 Lucent Technologies Inc. Method and apparatus to implement antenna diversity for direct sequence spread spectrum receivers
WO2000005831A1 (en) * 1998-07-20 2000-02-03 Telefonaktiebolaget Lm Ericsson (Publ) Spreader for multiple data rates
WO2001003330A1 (en) * 1999-07-02 2001-01-11 Shattil Steve J Method and apparatus for using frequency diversity to separate wireless communication signals

Also Published As

Publication number Publication date
US7092431B2 (en) 2006-08-15
CN1430364A (zh) 2003-07-16
CN1268081C (zh) 2006-08-02
DE60218123T2 (de) 2007-11-08
KR20030057469A (ko) 2003-07-04
US20030123530A1 (en) 2003-07-03
DE60218123D1 (de) 2007-03-29
CA2415170A1 (en) 2003-06-28
CA2415170C (en) 2008-07-15
EP1324513B1 (en) 2007-02-14
EP1324513A3 (en) 2004-08-18
KR100539628B1 (ko) 2005-12-28
AU2002324021A1 (en) 2004-07-15
AU2002324021B2 (en) 2009-09-10
EP1324513A2 (en) 2003-07-02

Similar Documents

Publication Publication Date Title
SG100806A1 (en) Receiver, transmitter, communication system, and method of communication
EP1347593A4 (en) TRANSMITTER, RECEIVER AND COMMUNICATION PROCESS
EP1014609A4 (en) COMMUNICATION PROCESS, TRANSMITTER, AND RECEIVER
SG104280A1 (en) Transmitter, transmitting method, receiver, and receiving method for mccdma communication system
EP1511189A4 (en) COMMUNICATION METHOD, TRANSMIT DEVICE AND RECEIVER DEVICE
EP1179902A4 (en) TRANSMITTER, RECEIVER AND DATA TRANSMISSION TECHNIQUE
SG115491A1 (en) Radio communication system, communication terminal, and method for transmitting burst signals
EP1133079A4 (en) COMMUNICATION SYSTEM, TRANSMITTER AND RECEIVER, AND COMMUNICATION METHOD
EP1073214A4 (en) RADIO COMMUNICATION SYSTEM, TRANSMITTER AND RECEIVER
EP1617568A4 (en) RADIO COMMUNICATION DEVICE, TRANSMITTER, RECEIVER AND RADIO COMMUNICATION SYSTEM
EP1416657A4 (en) TRANSMISSION DEVICE, RECEPTION DEVICE, AND RADIO COMMUNICATION METHOD
EP1453263A4 (en) DATA COMMUNICATION CONTROL SYSTEM, TRANSMITTER AND TRANSMISSION METHOD
EP1507354A4 (en) COMMUNICATION SYSTEM, RECEIVER DEVICE AND COMMUNICATION PROCESS
AU2827400A (en) Transmitter, receiver, transmitter/receiver system, transmission method and reception method
EP1422900A4 (en) RECEIVER AND RECEPTION METHOD FOR CDMA COMMUNICATION SYSTEM
AU2003212650A8 (en) Media transmitting method, media receiving method, media transmitter and media receiver
EP1475917A4 (en) COMMUNICATION SYSTEM, RECEIVERS, TRANSMITTERS AND COMMUNICATION PROCEDURES
EP1531558A4 (en) SENDING DEVICE, RECEIVING DEVICE, RADIO COMMUNICATION METHOD AND RADIO COMMUNICATION SYSTEM
AU2002222288A1 (en) Communication apparatus, method of transmission and antenna apparatus
AU2001269483A1 (en) Data transmitter, data receiver, and data transmitting/receiving method
GB0101477D0 (en) Video communication system, video communication unit and methods of encoding and transmitting video signals
EP1458144A4 (en) COMMUNICATION SYSTEM, TRANSMITTER AND RECEIVER
EP1363194A4 (en) TRANSMITTER, RECEIVER, TRANSMITTER / RECEIVER, TRANSMISSION AND RECEPTION METHOD
EP1592158A4 (en) WIRELESS TRANSMITTER WIRELESS TELECOMMUNICATIONS SYSTEM, WIRELESS RECEIVER, WIRELESS TELECOMMUNICATIONS METHOD, WIRELESS TRANSMITTING METHOD, AND WIRELESS RECEIVING METHOD
EP1458203A4 (en) RADIO COMMUNICATION SYSTEM AND CORRESPONDING TRANSMITTER