JP4017917B2 - 信号受信方法 - Google Patents

信号受信方法 Download PDF

Info

Publication number
JP4017917B2
JP4017917B2 JP2002147977A JP2002147977A JP4017917B2 JP 4017917 B2 JP4017917 B2 JP 4017917B2 JP 2002147977 A JP2002147977 A JP 2002147977A JP 2002147977 A JP2002147977 A JP 2002147977A JP 4017917 B2 JP4017917 B2 JP 4017917B2
Authority
JP
Japan
Prior art keywords
tfci
channel
receiver
symbols
estimation
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
JP2002147977A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003032146A (ja
JP2003032146A5 (enExample
Inventor
バッハル ライナー
ヘルムート ヴォルファング
ラウ リチャード
Original Assignee
ルーセント テクノロジーズ インコーポレーテッド
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 ルーセント テクノロジーズ インコーポレーテッド filed Critical ルーセント テクノロジーズ インコーポレーテッド
Publication of JP2003032146A publication Critical patent/JP2003032146A/ja
Publication of JP2003032146A5 publication Critical patent/JP2003032146A5/ja
Application granted granted Critical
Publication of JP4017917B2 publication Critical patent/JP4017917B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • 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
    • H04L25/0226—Channel estimation using sounding signals sounding signals per se
    • 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
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2628—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
    • H04B7/2634—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA] for channel frequency control
    • 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
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/712—Weighting of fingers for combining, e.g. amplitude control or phase rotation using an inner loop
    • 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
    • H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0083—Signalling arrangements
    • H04L2027/0089—In-band signals
    • H04L2027/0093—Intermittant signals
    • H04L2027/0095—Intermittant signals in a preamble or similar structure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
JP2002147977A 2001-05-29 2002-05-22 信号受信方法 Expired - Fee Related JP4017917B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP01304707A EP1263179B1 (en) 2001-05-29 2001-05-29 Channel estimation for a CDMA system using coded control symbols as additional pilot symbols
EP01304707.1 2001-05-29

Publications (3)

Publication Number Publication Date
JP2003032146A JP2003032146A (ja) 2003-01-31
JP2003032146A5 JP2003032146A5 (enExample) 2005-09-08
JP4017917B2 true JP4017917B2 (ja) 2007-12-05

Family

ID=8181993

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002147977A Expired - Fee Related JP4017917B2 (ja) 2001-05-29 2002-05-22 信号受信方法

Country Status (5)

Country Link
US (1) US20020191578A1 (enExample)
EP (1) EP1263179B1 (enExample)
JP (1) JP4017917B2 (enExample)
KR (1) KR100501617B1 (enExample)
DE (1) DE60129111T2 (enExample)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3562502B2 (ja) * 2001-09-27 2004-09-08 日本電気株式会社 Ｃｄｍａ受信装置及びその装置のチャネル推定方法
KR100767652B1 (ko) * 2002-11-22 2007-10-17 인터디지탈 테크날러지 코포레이션 복소 가중치 생성(ｃｗｇ) 알고리즘을 이용한 레이크수신기에서의 채널 이득 추정
JP3742055B2 (ja) * 2002-11-27 2006-02-01 埼玉日本電気株式会社 無線基地局装置、及びそれに用いるｔｆｃｉ復号特性を利用する復号装置とその復号方法
JP3776877B2 (ja) * 2002-12-04 2006-05-17 埼玉日本電気株式会社 移動通信システム、無線基地局制御装置及びそれに用いる上り受信同期判定方法
US20040128607A1 (en) * 2002-12-31 2004-07-01 Ilan Sutskover Method and apparatus to encode linear block codes
GB0302024D0 (en) * 2003-01-29 2003-02-26 Roke Manor Research Transport format combination selection in the uplink for the flexible layer one
NZ524929A (en) * 2003-03-25 2005-11-25 Ind Res Ltd Method and apparatus for improving the performance of pilot symbol assisted receivers in the presence of narrowband interference
JP4258272B2 (ja) 2003-05-15 2009-04-30 日本電気株式会社 Ｃｄｍａ受信装置、そのｔｆｃｉ候補判定方法
EP1521413A3 (en) * 2003-10-01 2009-09-30 Panasonic Corporation Multicarrier reception with channel estimation and equalisation
US7352829B2 (en) 2004-01-12 2008-04-01 Infineon Technologies Ag Data-aided channel estimation
WO2005091517A1 (en) * 2004-03-24 2005-09-29 Telecom Italia S.P.A. Method and system for channel estimation, related receiver and computer program product
US7706324B2 (en) * 2004-07-19 2010-04-27 Qualcomm Incorporated On-demand reverse-link pilot transmission
US7924770B2 (en) * 2004-08-06 2011-04-12 Nokia Corporation Method of controlling communication between two nodes in a communication system
CN100415036C (zh) * 2004-09-16 2008-08-27 华为技术有限公司 上行增强专用信道的检测方法
WO2006041164A1 (ja) 2004-10-15 2006-04-20 Ntt Docomo, Inc. 無線基地局、無線回線制御局、移動通信システム及び移動通信方法
US7961795B2 (en) 2004-10-29 2011-06-14 Telefonaktiebolaget Lm Ericsson (Publ) Channel estimation
JP4662496B2 (ja) * 2005-02-03 2011-03-30 富士通株式会社 無線通信システムおよび無線通信方法
FI20055312A0 (fi) * 2005-06-15 2005-06-15 Nokia Corp Menetelmä ja radiovastaanotin viestintäjärjestelmässä pilottisymboleina käyttävien symbolien määrän lisäämiseksi
FI20055311A0 (fi) * 2005-06-15 2005-06-15 Nokia Corp Datasekvenssin ilmaisu viestintäjärjestelmässä
US8493942B2 (en) * 2005-08-01 2013-07-23 Qualcomm Incorporated Interference cancellation in wireless communication
WO2007020575A1 (en) 2005-08-16 2007-02-22 Koninklijke Philips Electronics N.V. Format adaptation of a control channel for discontinuous data transmission
KR100863791B1 (ko) * 2005-10-12 2008-10-17 삼성전자주식회사 주파수분할 다중접속 방식의 통신시스템에서 패킷 데이터 제어 채널을 이용하여 채널을 추정하기 위한 송수신 장치 및 방법과 그 시스템
KR100693555B1 (ko) 2005-12-09 2007-03-14 주식회사 팬택 수신 성능을 개선한 디지털 멀티미디어 방송 수신장치 및이의 채널추정방법
CN101258702B (zh) * 2005-12-12 2012-05-30 中兴通讯股份有限公司 码分多址系统中调整信道译码数据幅度的系统和方法
JP4899555B2 (ja) * 2006-03-17 2012-03-21 富士通株式会社 無線通信システム、送信装置及び受信装置
JP4531722B2 (ja) * 2006-05-01 2010-08-25 株式会社エヌ・ティ・ティ・ドコモ ユーザ装置、送信方法及び移動通信システム
WO2008024357A2 (en) * 2006-08-24 2008-02-28 Interdigital Technology Corporation Power control for improving link reliability in hsdpa
KR100954818B1 (ko) * 2006-11-24 2010-04-28 삼성전자주식회사 광대역 무선통신시스템에서 간섭 제거 장치 및 방법
EP2109972A1 (en) 2007-02-12 2009-10-21 Nokia Corporation Shared control channel data-assisted channel estimation
KR100914321B1 (ko) 2007-12-03 2009-08-27 한국전자통신연구원 다중 안테나를 구비한 무선통신 시스템의 프레임 구성 방법
GB2482122B (en) * 2010-07-19 2014-02-19 Intellectual Ventures Holding 81 Llc Communication unit and pilot method for time varying channels
US9614606B2 (en) 2011-12-28 2017-04-04 Qualcomm Incorporated Method and apparatus for power aware receive diversity control

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5544156A (en) * 1994-04-29 1996-08-06 Telefonaktiebolaget Lm Ericsson Direct sequence CDMA coherent uplink detector
JP3363734B2 (ja) * 1997-02-21 2003-01-08 沖電気工業株式会社 周波数制御回路
GB2330992A (en) * 1997-11-03 1999-05-05 Nokia Mobile Phones Ltd Channel estimation in a variable data rate communication system
US6285663B1 (en) * 1998-06-05 2001-09-04 Telefonaktiebolaget Lm Ericsson (Publ) Increasing performance in communications by embedding one signal in another signal
MY130820A (en) * 1998-12-16 2007-07-31 Ericsson Telefon Ab L M Channel estimation for a cdma system using pre-defined symbols in addition to pilot symbols
US6452917B1 (en) * 1999-04-08 2002-09-17 Qualcomm Incorporated Channel estimation in a CDMA wireless communication system
US6414988B1 (en) * 1999-05-12 2002-07-02 Qualcomm Incorporated Amplitude and phase estimation method in a wireless communication system
EP1065800A1 (en) * 1999-07-02 2001-01-03 Lucent Technologies Inc. Code division multiple access system having improved pilot channels
EP1067730A1 (en) * 1999-07-02 2001-01-10 Alcatel Determining the transmission quality of a radio channel
US6892053B2 (en) * 1999-12-01 2005-05-10 Telefonaktiebolaget Lm Ericsson (Publ) Bit error estimates from pilot signals
KR100663559B1 (ko) * 1999-12-31 2007-01-02 삼성전자주식회사 부호분할 다중접속 통신시스템의 동기형 복조 장치 및 방법

Also Published As

Publication number Publication date
EP1263179B1 (en) 2007-06-27
US20020191578A1 (en) 2002-12-19
KR20020090901A (ko) 2002-12-05
DE60129111T2 (de) 2008-02-28
JP2003032146A (ja) 2003-01-31
EP1263179A1 (en) 2002-12-04
KR100501617B1 (ko) 2005-07-18
DE60129111D1 (de) 2007-08-09

Similar Documents

Publication Publication Date Title
JP4017917B2 (ja) 信号受信方法
US7123645B2 (en) Spread-spectrum signal receiver
EP0993740B1 (en) A subscriber unit and method for use in a wireless communication system
CN100401666C (zh) 基于虚拟译码的发射功率控制
JP3889038B2 (ja) 通信システムにおいて符号化レートを制御する方法および装置
CN100474793C (zh) 无线红外装置
CN100468996C (zh) 用于前向链路的变速率编码
CN1983853A (zh) 用于控制cdma通信系统中的发送功率的方法和设备
US8315344B2 (en) Blind detection of the transport format (TF) of a signal
JPH11502098A (ja) 通信システムにおけるチャネル推定の改善
CN101465837B (zh) 处理共同增益值的方法及系统
JP2006507738A (ja) 通信信号を復号する方法、装置およびデバイス
WO2002099989A1 (en) Spread spectrum communication system apparatus
WO2010108998A1 (en) Estimation of signal and interference power
JP4756134B2 (ja) 復号化方法及び装置
US7218667B2 (en) Radio reception apparatus and radio reception method
US7457379B2 (en) Adaptive multi-step combined DC offset compensation for EDGE 8-PSK
CN1188957C (zh) 信道估计方法及装置
WO2005006690A1 (en) System, method and computer program product for demodulating quadrature amplitude modulated signals based upon a speed of a receiver
WO2005004423A1 (en) System, method and computer program product for demodulating quadrature amplitude modulated signals
US20070025469A1 (en) Multi-path acquisition in the presence of very high data rate users
WO2008130443A2 (en) : ml decoding of codewords with partial channel information in a geo satellite reverse link
HK1141633A (en) A subscriber unit and method for use in a wireless communication system

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20050310

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20050310

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20070320

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20070509

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070809

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20070827

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20070919

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100928

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100928

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110928

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110928

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120928

Year of fee payment: 5

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120928

Year of fee payment: 5

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130928

Year of fee payment: 6

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees