WO2002029998A1 - Demodulateur et procede de demodulation - Google Patents
Demodulateur et procede de demodulation Download PDFInfo
- Publication number
- WO2002029998A1 WO2002029998A1 PCT/JP2001/008415 JP0108415W WO0229998A1 WO 2002029998 A1 WO2002029998 A1 WO 2002029998A1 JP 0108415 W JP0108415 W JP 0108415W WO 0229998 A1 WO0229998 A1 WO 0229998A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- spread codes
- demodulator
- demodulation
- operated
- predetermined threshold
- Prior art date
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
- H04B1/7097—Interference-related aspects
- H04B1/7103—Interference-related aspects the interference being multiple access interference
- H04B1/7105—Joint detection techniques, e.g. linear detectors
-
- 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
- H04B2201/70707—Efficiency-related aspects
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Circuits Of Receivers In General (AREA)
- Radio Relay Systems (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01970238A EP1233536B1 (en) | 2000-09-29 | 2001-09-27 | Demodulator and demodulating method |
US10/148,289 US7133467B2 (en) | 2000-09-29 | 2001-09-27 | Demodulation apparatus and demodulation method |
DE60131831T DE60131831T2 (de) | 2000-09-29 | 2001-09-27 | Demodulator und demodulationsverfahren |
AU2001290287A AU2001290287A1 (en) | 2000-09-29 | 2001-09-27 | Demodulator and demodulating method |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000-300790 | 2000-09-29 | ||
JP2000300790A JP3440068B2 (ja) | 2000-09-29 | 2000-09-29 | 復調装置及び復調方法 |
JP2000300148A JP2002111538A (ja) | 2000-09-29 | 2000-09-29 | 復調装置及び復調方法 |
JP2000-300148 | 2000-09-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002029998A1 true WO2002029998A1 (fr) | 2002-04-11 |
Family
ID=26601211
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2001/008415 WO2002029998A1 (fr) | 2000-09-29 | 2001-09-27 | Demodulateur et procede de demodulation |
Country Status (6)
Country | Link |
---|---|
US (1) | US7133467B2 (ja) |
EP (1) | EP1233536B1 (ja) |
CN (1) | CN1393062A (ja) |
AU (1) | AU2001290287A1 (ja) |
DE (1) | DE60131831T2 (ja) |
WO (1) | WO2002029998A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1359679A2 (en) * | 2002-04-30 | 2003-11-05 | Broadcom Corporation | Channel Equalization with SCDMA Modulation |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2385498A (en) * | 2002-02-13 | 2003-08-20 | Pa Consulting Services | Adjustable baseband processing of telecommunications signals |
JP3973017B2 (ja) * | 2002-02-14 | 2007-09-05 | 富士通株式会社 | 干渉電力を推定する無線受信機 |
JP3581356B2 (ja) * | 2002-05-22 | 2004-10-27 | 松下電器産業株式会社 | 通信端末装置及び拡散コード推定方法 |
KR100651434B1 (ko) | 2002-10-05 | 2006-11-28 | 삼성전자주식회사 | 패킷 데이터 통신 시스템 수신기에서의 간섭신호 제거장치 및 방법 |
JP2004343542A (ja) * | 2003-05-16 | 2004-12-02 | Sony Ericsson Mobilecommunications Japan Inc | 携帯情報通信端末、プログラムおよび記録媒体 |
US7646802B2 (en) | 2003-06-02 | 2010-01-12 | Qualcomm Incorporated | Communication receiver with hybrid equalizer |
US20060083291A1 (en) * | 2004-10-15 | 2006-04-20 | Zheng Hongming | Receiver apparatus, and associated method, for operating upon data communicated in a MIMO, multi-code, MC-CDMA communication system |
WO2006064389A2 (en) * | 2004-12-13 | 2006-06-22 | Koninklijke Philips Electronics N.V. | Method and apparatus for performing channel adaptive processing in cdma |
CN100362756C (zh) * | 2005-06-09 | 2008-01-16 | 北京天碁科技有限公司 | 均衡技术和联合检测技术相结合的接收机和接收方法 |
US7924778B2 (en) * | 2005-08-12 | 2011-04-12 | Nextel Communications Inc. | System and method of increasing the data throughput of the PDCH channel in a wireless communication system |
CN100364243C (zh) * | 2006-01-13 | 2008-01-23 | 北京天碁科技有限公司 | 接收机、发射装置和通信系统 |
EP1995895A4 (en) * | 2006-03-14 | 2014-07-16 | Nec Corp | RADIO COMMUNICATION APPARATUS, RECEPTION SYSTEM SELECTION METHOD, AND RECEPTION SYSTEM SELECTION PROGRAM |
US7933314B2 (en) * | 2006-06-22 | 2011-04-26 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for communication receiver despreading resource management |
US8472448B2 (en) * | 2006-07-21 | 2013-06-25 | Intel Corporation | Wireless adaptive packet control message apparatus, systems, and methods |
WO2008035428A1 (fr) * | 2006-09-21 | 2008-03-27 | Fujitsu Limited | Terminal de communication, et procédé de réception du signal |
KR100949290B1 (ko) * | 2006-11-17 | 2010-03-25 | 삼성전자주식회사 | 광대역 무선접속 시스템에서 간섭 제거 장치 및 방법 |
US9253009B2 (en) * | 2007-01-05 | 2016-02-02 | Qualcomm Incorporated | High performance station |
US8576959B2 (en) * | 2008-04-16 | 2013-11-05 | Nec Laboratories America, Inc. | Receiver with prefiltering for discrete fourier transform-spread-orthogonal frequency division multiplexing (DFT-S-OFDM) based systems |
US20090304122A1 (en) * | 2008-06-04 | 2009-12-10 | Navid Fatemi-Ghomi | Receiver architecture |
US9294937B2 (en) | 2011-10-05 | 2016-03-22 | Qualcomm Incorporated | Apparatus and method for selection between receivers in a wireless communication system |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000013360A (ja) * | 1998-06-25 | 2000-01-14 | Nec Corp | Ds−cdmaマルチユーザ干渉キャンセラ |
JP2000216703A (ja) * | 1999-01-21 | 2000-08-04 | Yrp Ido Tsushin Kiban Gijutsu Kenkyusho:Kk | 直接拡散受信デ―タの誤り推定装置および直接拡散受信装置 |
JP2000261412A (ja) * | 1999-03-06 | 2000-09-22 | Matsushita Electric Ind Co Ltd | 干渉信号除去装置 |
EP1128564A1 (en) * | 2000-02-28 | 2001-08-29 | Lucent Technologies Inc. | Multi-user detection CDMA receivers in mobile telecommunications systems |
JP2001251236A (ja) * | 2000-03-06 | 2001-09-14 | Matsushita Electric Ind Co Ltd | 通信装置 |
JP2001285254A (ja) * | 2000-03-28 | 2001-10-12 | Matsushita Electric Ind Co Ltd | 通信装置及びその方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE464437B (sv) * | 1989-08-25 | 1991-04-22 | Ericsson Telefon Ab L M | Metod i en mogilradiomottagare foer att reducera mottagarens effektbehov |
JPH1051356A (ja) | 1996-03-29 | 1998-02-20 | Matsushita Electric Ind Co Ltd | ドップラー周波数測定回路および同期回路 |
JPH10257021A (ja) | 1997-03-14 | 1998-09-25 | Kokusai Electric Co Ltd | 同期回路 |
FI104020B (fi) * | 1997-06-23 | 1999-10-29 | Nokia Telecommunications Oy | Vastaanottomenetelmä ja vastaanotin |
JP3095065B2 (ja) * | 1997-09-11 | 2000-10-03 | 日本電気株式会社 | スペクトル拡散信号のレイク受信方法およびレイク受信装置 |
DE19749389A1 (de) * | 1997-11-07 | 1999-05-20 | Siemens Ag | Verfahren, Empfangseinrichtung und Mobilstation zur Datenübertragung in einem Funk-Kommunikationssystem |
JP3334648B2 (ja) * | 1998-11-04 | 2002-10-15 | 日本電気株式会社 | 移動局受信方法ならびに移動局受信装置 |
US6775260B1 (en) * | 1999-02-25 | 2004-08-10 | Texas Instruments Incorporated | Space time transmit diversity for TDD/WCDMA systems |
JP3930187B2 (ja) | 1999-03-03 | 2007-06-13 | 株式会社日立コミュニケーションテクノロジー | 同期制御方法、受信機、基地局及び移動端末 |
-
2001
- 2001-09-27 US US10/148,289 patent/US7133467B2/en not_active Expired - Fee Related
- 2001-09-27 EP EP01970238A patent/EP1233536B1/en not_active Expired - Lifetime
- 2001-09-27 DE DE60131831T patent/DE60131831T2/de not_active Expired - Fee Related
- 2001-09-27 WO PCT/JP2001/008415 patent/WO2002029998A1/ja active IP Right Grant
- 2001-09-27 AU AU2001290287A patent/AU2001290287A1/en not_active Abandoned
- 2001-09-27 CN CN01802875A patent/CN1393062A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000013360A (ja) * | 1998-06-25 | 2000-01-14 | Nec Corp | Ds−cdmaマルチユーザ干渉キャンセラ |
JP2000216703A (ja) * | 1999-01-21 | 2000-08-04 | Yrp Ido Tsushin Kiban Gijutsu Kenkyusho:Kk | 直接拡散受信デ―タの誤り推定装置および直接拡散受信装置 |
JP2000261412A (ja) * | 1999-03-06 | 2000-09-22 | Matsushita Electric Ind Co Ltd | 干渉信号除去装置 |
EP1128564A1 (en) * | 2000-02-28 | 2001-08-29 | Lucent Technologies Inc. | Multi-user detection CDMA receivers in mobile telecommunications systems |
JP2001251236A (ja) * | 2000-03-06 | 2001-09-14 | Matsushita Electric Ind Co Ltd | 通信装置 |
JP2001285254A (ja) * | 2000-03-28 | 2001-10-12 | Matsushita Electric Ind Co Ltd | 通信装置及びその方法 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1233536A4 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7327809B2 (en) | 2001-06-08 | 2008-02-05 | Broadcom Corporation | Channel equalization with SCDMA modulation |
EP1359679A2 (en) * | 2002-04-30 | 2003-11-05 | Broadcom Corporation | Channel Equalization with SCDMA Modulation |
EP1359679A3 (en) * | 2002-04-30 | 2004-01-02 | Broadcom Corporation | Channel Equalization with SCDMA Modulation |
Also Published As
Publication number | Publication date |
---|---|
EP1233536B1 (en) | 2007-12-12 |
CN1393062A (zh) | 2003-01-22 |
DE60131831T2 (de) | 2008-04-10 |
AU2001290287A1 (en) | 2002-04-15 |
US7133467B2 (en) | 2006-11-07 |
EP1233536A4 (en) | 2006-03-29 |
EP1233536A1 (en) | 2002-08-21 |
DE60131831D1 (de) | 2008-01-24 |
US20020196871A1 (en) | 2002-12-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2002029998A1 (fr) | Demodulateur et procede de demodulation | |
BR9709612A (pt) | Sistema de comunicação sem fio cdma de taxa elevada | |
EP0708534A3 (en) | Spread spectrum receiving apparatus | |
WO2003017547A1 (en) | Transmission device, reception device and radio communication method | |
HK1040847A1 (en) | Cdma receiving method and circuit. | |
EP0877493A3 (en) | Synchronization in a multipath spread spectrum communication receiver | |
EP1290149A4 (en) | THERMOSTABLE INVERTED TRANSCRIPTASES AND USES | |
AU4701899A (en) | Herbal extract composition and method with immune-boosting capability | |
HK1037810A1 (en) | Reception power level calculating circuit and receiver using the same. | |
HK1047363A1 (en) | Correlation and demodulation circuit for a receiver for signals modulated by a specific code | |
EP0923207A3 (en) | Reception synchronization circuit, receiver using the same, and digital communication system | |
WO1998026619A3 (en) | Circuitry and method for improved signal reception acknowledgment in a radio communication system | |
EP1081885A4 (en) | SEPARATOR AND SEPARATION PROCESS AND RECEIVER AND RECEPTION PROCESS | |
EP0854586A3 (en) | Quadrature spread spectrum signal demodulation | |
HK1037812A1 (en) | Signal splitting method and system for limiting peak power in a cdma system. | |
WO2002043354A3 (en) | Asymmetric orthogonal codes for wireless system receivers with multiplication-free correlators | |
EP1093240A3 (en) | CDMA receiver and CDMA demodulator with AGC circuit | |
GB2343311A8 (en) | A multicarrier receiver using a weighted sum of pilot powers to detect mistuning | |
AU2001266028A1 (en) | Receiver and method of receiving a cdma signal in presence of interferers with unknown spreading factors | |
AU7558500A (en) | Cdma receiver, and reception method | |
AU2326600A (en) | Cdma receiver and cdma receiving method | |
GB2328905A8 (en) | Diverting loads in pontoons, buildings, and shoes | |
EP0936745A3 (en) | Device load variation protection circuit | |
WO2002041517A3 (en) | Method and system for optimization of switched-diversity performance | |
EP1075090A3 (en) | A CDMA demodulating method and demodulator |
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 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 PH PL PT RO RU SD SE SG SI SK SL TJ TM TR TT TZ UA UG US UZ VN YU ZA 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 ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
WWE | Wipo information: entry into national phase |
Ref document number: 018028756 Country of ref document: CN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2001970238 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 10148289 Country of ref document: US |
|
WWP | Wipo information: published in national office |
Ref document number: 2001970238 Country of ref document: EP |
|
REG | Reference to national code |
Ref country code: DE Ref legal event code: 8642 |
|
WWG | Wipo information: grant in national office |
Ref document number: 2001970238 Country of ref document: EP |