SG161102A1 - Support multiuser detection in the downlink - Google Patents
Support multiuser detection in the downlinkInfo
- Publication number
- SG161102A1 SG161102A1 SG200703112-3A SG2007031123A SG161102A1 SG 161102 A1 SG161102 A1 SG 161102A1 SG 2007031123 A SG2007031123 A SG 2007031123A SG 161102 A1 SG161102 A1 SG 161102A1
- Authority
- SG
- Singapore
- Prior art keywords
- code
- communication
- burst
- channelization
- bursts
- 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
-
- 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
- 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
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/16—Code allocation
-
- 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
- H04B1/7073—Synchronisation aspects
- H04B1/70735—Code identification
-
- 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
- H04B1/709—Correlator structure
- H04B1/7093—Matched filter type
- H04B2001/70935—Matched filter type using a bank of matched fileters, e.g. Fast Hadamard Transform
-
- 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
- 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
- H04B2201/70709—Efficiency-related aspects with discontinuous detection
Landscapes
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Engineering & Computer Science (AREA)
- Mobile Radio Communication Systems (AREA)
- Time-Division Multiplex Systems (AREA)
- Examining Or Testing Airtightness (AREA)
- Geophysics And Detection Of Objects (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Catching Or Destruction (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
- Eye Examination Apparatus (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
- Socks And Pantyhose (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Prostheses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US18040200P | 2000-02-04 | 2000-02-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
SG161102A1 true SG161102A1 (en) | 2010-05-27 |
Family
ID=22660319
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG200703112-3A SG161102A1 (en) | 2000-02-04 | 2001-02-02 | Support multiuser detection in the downlink |
SG200206586A SG112856A1 (en) | 2000-02-04 | 2001-02-02 | Support multiuser detectiion in the downlink |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG200206586A SG112856A1 (en) | 2000-02-04 | 2001-02-02 | Support multiuser detectiion in the downlink |
Country Status (19)
Country | Link |
---|---|
US (5) | US6934271B2 (xx) |
EP (2) | EP1252723B1 (xx) |
JP (3) | JP3782012B2 (xx) |
KR (1) | KR100446173B1 (xx) |
CN (3) | CN1292544C (xx) |
AT (1) | ATE282264T1 (xx) |
AU (1) | AU2001233237A1 (xx) |
BR (1) | BR0108290A (xx) |
CA (1) | CA2399078C (xx) |
DE (2) | DE1252723T1 (xx) |
DK (1) | DK1252723T3 (xx) |
ES (1) | ES2227124T3 (xx) |
HK (2) | HK1056953A1 (xx) |
IL (3) | IL150991A0 (xx) |
MX (1) | MXPA02007499A (xx) |
NO (2) | NO326185B1 (xx) |
SG (2) | SG161102A1 (xx) |
TW (1) | TW508923B (xx) |
WO (1) | WO2001058041A2 (xx) |
Families Citing this family (42)
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US6775260B1 (en) * | 1999-02-25 | 2004-08-10 | Texas Instruments Incorporated | Space time transmit diversity for TDD/WCDMA systems |
EP1252723B1 (en) * | 2000-02-04 | 2004-11-10 | Interdigital Technology Corporation | Support of multiuser detection in the downlink |
DE10138962B4 (de) * | 2001-08-08 | 2011-05-12 | Rohde & Schwarz Gmbh & Co. Kg | Verfahren zur Erkennung von aktiven Codesequenzen |
EP1304818B1 (de) * | 2001-10-18 | 2009-08-05 | Siemens Aktiengesellschaft | Verfahren zum Signalisieren von Zuordnungen zwischen CDMA-Codes und Lernsequenzen bei TDD-Mobilfunksystemen |
US7443908B2 (en) * | 2001-11-26 | 2008-10-28 | Stmicroelectronics S.R.L. | Low complexity detection in digital receivers |
CN1615597A (zh) * | 2002-01-17 | 2005-05-11 | 皇家飞利浦电子股份有限公司 | 用于减少干扰的移动终端内的多用户检测 |
TWI239730B (en) * | 2002-02-19 | 2005-09-11 | Interdigital Tech Corp | Method and apparatus for providing a highly reliable ACK/NACK for time division duplex (TDD) and frequency division duplex (FDD) |
WO2003084254A1 (en) * | 2002-03-25 | 2003-10-09 | Interdigital Technology Corporation | Method and apparatus for blind code detection |
US6760370B2 (en) | 2002-04-03 | 2004-07-06 | Interdigital Technology Corporation | Low bias method for estimating small signal-to-noise ratio |
US7428278B2 (en) * | 2002-05-09 | 2008-09-23 | Interdigital Technology Corporation | Method and apparatus for parallel midamble cancellation |
JP3581357B2 (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 |
US7324494B2 (en) * | 2002-05-22 | 2008-01-29 | Matsushita Electric Industrial Co., Ltd. | Reception device and reception method |
US7260056B2 (en) * | 2002-05-29 | 2007-08-21 | Interdigital Technology Corporation | Channel estimation in a wireless communication system |
KR100557102B1 (ko) * | 2002-09-07 | 2006-03-03 | 삼성전자주식회사 | 이동통신 시스템에서 직교부호의 길이에 상관없는 공동검출 수신 장치 및 방법 |
KR100504804B1 (ko) * | 2002-09-28 | 2005-08-01 | 엘지전자 주식회사 | Wcdma시스템의 역채널화방법 |
KR100511668B1 (ko) * | 2002-12-04 | 2005-08-31 | 엘지전자 주식회사 | 이동통신 시스템의 오브이에스에프 코드 검색 장치 및 방법 |
CN1512681A (zh) * | 2002-12-30 | 2004-07-14 | 皇家飞利浦电子股份有限公司 | Tdd/cdma系统中下行链路的训练序列检测方法及装置 |
US7031284B2 (en) * | 2003-03-03 | 2006-04-18 | Interdigital Technology Corporation | Wireless communication method and apparatus for optimizing multi-user detection |
EP1833177A1 (en) * | 2003-03-03 | 2007-09-12 | Interdigital Technology Corporation | Optimizing multi-user detection |
EP1469610A1 (en) * | 2003-04-15 | 2004-10-20 | Siemens Mobile Communications S.p.A. | Method to perform blind joint detection at the CDMA MS in presence of DMA exceptions |
CN1229937C (zh) * | 2003-05-28 | 2005-11-30 | 大唐移动通信设备有限公司 | 无线通信系统中多用户码道激活检测的方法和装置 |
DE602004010002T2 (de) * | 2003-07-07 | 2008-09-11 | Samsung Electronics Co., Ltd., Suwon | Verfahren und Vorrichtung zur Detektierung von aktiven Abwärtskanalisierungskodes in einem mobilen TD-CDMA Kommunikationssystem. |
US20050111405A1 (en) * | 2003-11-25 | 2005-05-26 | Emmanuel Kanterakis | Interference cancellation method and apparatus |
GB2412036A (en) | 2004-03-08 | 2005-09-14 | Ipwireless Inc | Mitigation of intercell and intracell interference in a cellular communication system |
CN1674455A (zh) * | 2004-03-25 | 2005-09-28 | 皇家飞利浦电子股份有限公司 | 在tdd cdma通信体系中用于实现下行链路联合检测的方法和装置 |
CN102655428B (zh) | 2004-05-04 | 2015-09-02 | 索尼公司 | 用于mimo传输的训练序列分配 |
US7684372B2 (en) | 2004-05-04 | 2010-03-23 | Ipwireless, Inc. | Signaling MIMO allocations |
GB2414366A (en) * | 2004-05-20 | 2005-11-23 | Ipwireless Inc | Multi-user detector for use in a communication system |
US7599344B2 (en) | 2004-06-08 | 2009-10-06 | Interdigital Technology Corporation | Method and apparatus for reducing multi-user processing in wireless communication systems |
US7684378B2 (en) * | 2004-11-08 | 2010-03-23 | Interdigital Technology Corporation | Method and apparatus for estimating channelization codes in a wireless transmit/receive unit |
US8045599B2 (en) * | 2005-02-17 | 2011-10-25 | Sony Corporation | Selection of training sequences for multiple-in multiple-out transmissions |
CN1863021B (zh) * | 2005-05-13 | 2010-04-28 | 上海原动力通信科技有限公司 | 无线通信系统中的码道分配方法和多用户检测方法 |
CN100596032C (zh) * | 2005-05-13 | 2010-03-24 | 上海原动力通信科技有限公司 | 多个基本中间码的分配方法 |
CN100385818C (zh) * | 2005-05-26 | 2008-04-30 | 上海原动力通信科技有限公司 | 在时分双工码分多址系统中进行相邻小区联合检测的方法 |
JP4815556B2 (ja) * | 2005-12-06 | 2011-11-16 | エスティー‐エリクソン、ソシエテ、アノニム | アクティブ拡散符号およびその電力の決定 |
US7715786B2 (en) | 2006-02-08 | 2010-05-11 | The Directv Group, Inc. | Blind identification of advanced modulation and coding modes |
US8503402B2 (en) * | 2006-09-14 | 2013-08-06 | Telefonaktiebolaget L M Ericsson (Publ) | Method and arrangements for load balancing of power amplifiers |
CN102932088B (zh) | 2006-09-29 | 2016-06-01 | 松下电器(美国)知识产权公司 | 基站装置和基站装置执行的通信方法 |
KR100862529B1 (ko) * | 2007-06-19 | 2008-10-09 | 에스케이 텔레콤주식회사 | Τdd 기반 cdma 시스템에서 적응형 결합 채널 추정방법 및 그 시스템 |
JP4869203B2 (ja) * | 2007-10-05 | 2012-02-08 | 株式会社東芝 | 無線通信装置 |
US20090207175A1 (en) * | 2008-02-15 | 2009-08-20 | Apple Inc. | Animation Using Animation Effect and Trigger Element |
US8804881B2 (en) | 2010-07-13 | 2014-08-12 | Qualcomm Incorporated | Data communication devices, methods, and systems |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999040698A1 (en) * | 1998-02-09 | 1999-08-12 | Motorola Inc. | Method and apparatus for joint detection of data in a direct sequence spread spectrum communications system |
WO2000027052A1 (en) * | 1998-11-03 | 2000-05-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Slotted mode code usage in a cellular communications system |
WO2000054443A1 (en) * | 1999-03-10 | 2000-09-14 | Lucent Technologies Inc. | Code branch allocation for cdma systems |
WO2000057654A2 (en) * | 1999-03-19 | 2000-09-28 | Telefonaktiebolaget Lm Ericsson (Publ) | Code reservation for interference measurement in a cdma radiocommunication system |
GB2351422A (en) * | 1999-06-25 | 2000-12-27 | Roke Manor Research | Association of a training code to a channelisation code in a mobile telecommunications system |
Family Cites Families (15)
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US5291475B1 (en) * | 1992-03-27 | 1995-06-27 | Motorola Inc | Slot hopped fd/td/cmda |
DE19700303B4 (de) * | 1997-01-08 | 2005-11-03 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Funkübertragungsverfahren für digitale Multimediatensignale zwischen Teilnehmerstationen in einem lokalen Netz |
JP3323443B2 (ja) * | 1997-07-17 | 2002-09-09 | 松下電器産業株式会社 | 無線通信端末装置及び無線通信基地局装置 |
DE19733336A1 (de) * | 1997-08-01 | 1999-02-18 | Siemens Ag | Verfahren und Funkstation zur Datenübertragung |
KR20010031496A (ko) * | 1997-10-27 | 2001-04-16 | 칼 하인쯔 호르닝어 | 무선 통신 시스템 및 제어 장치 |
EP0939527B1 (en) * | 1998-02-18 | 2007-12-05 | Sony Deutschland GmbH | Mapping of multicarrier signals into GSM time slots |
GB9807335D0 (en) * | 1998-04-07 | 1998-06-03 | Motorola Ltd | A receiver for spread spectrum communications signals |
US6100937A (en) * | 1998-05-29 | 2000-08-08 | Conexant Systems, Inc. | Method and system for combining multiple images into a single higher-quality image |
ES2270605T3 (es) * | 1998-06-30 | 2007-04-01 | Siemens Aktiengesellschaft | Metodo de comunicacion de datos usando señales de radio y aparato de comunicaciones por radio. |
US6078607A (en) | 1998-08-10 | 2000-06-20 | Omnipont Corporation | Synchronization codes for use in communication |
ES2308796T3 (es) | 1998-08-21 | 2008-12-01 | Lucent Technologies Inc. | Sistema cdma multi-codigo que utiliza una decodificacion iterativa. |
KR100401190B1 (ko) | 1998-09-17 | 2003-12-31 | 삼성전자주식회사 | 부호분할다중접속통신시스템의동기채널을이용한프레임동기장치및방법 |
DE19907502C2 (de) | 1999-02-22 | 2001-11-22 | Siemens Ag | Verfahren zur Kanalschätzung |
EP1252723B1 (en) * | 2000-02-04 | 2004-11-10 | Interdigital Technology Corporation | Support of multiuser detection in the downlink |
GB2412036A (en) * | 2004-03-08 | 2005-09-14 | Ipwireless Inc | Mitigation of intercell and intracell interference in a cellular communication system |
-
2001
- 2001-02-02 EP EP01905346A patent/EP1252723B1/en not_active Expired - Lifetime
- 2001-02-02 ES ES01905346T patent/ES2227124T3/es not_active Expired - Lifetime
- 2001-02-02 IL IL15099101A patent/IL150991A0/xx active IP Right Grant
- 2001-02-02 AT AT01905346T patent/ATE282264T1/de not_active IP Right Cessation
- 2001-02-02 US US09/775,969 patent/US6934271B2/en not_active Expired - Lifetime
- 2001-02-02 CN CNB018045170A patent/CN1292544C/zh not_active Expired - Fee Related
- 2001-02-02 BR BR0108290-6A patent/BR0108290A/pt not_active Application Discontinuation
- 2001-02-02 MX MXPA02007499A patent/MXPA02007499A/es active IP Right Grant
- 2001-02-02 SG SG200703112-3A patent/SG161102A1/en unknown
- 2001-02-02 DE DE1252723T patent/DE1252723T1/de active Pending
- 2001-02-02 KR KR10-2002-7009961A patent/KR100446173B1/ko not_active IP Right Cessation
- 2001-02-02 CN CNA2006101685088A patent/CN1976243A/zh active Pending
- 2001-02-02 EP EP04106417A patent/EP1523109A3/en not_active Withdrawn
- 2001-02-02 DE DE60107051T patent/DE60107051T2/de not_active Expired - Lifetime
- 2001-02-02 CN CNB2004101045909A patent/CN100340070C/zh not_active Expired - Fee Related
- 2001-02-02 DK DK01905346T patent/DK1252723T3/da active
- 2001-02-02 AU AU2001233237A patent/AU2001233237A1/en not_active Abandoned
- 2001-02-02 JP JP2001557187A patent/JP3782012B2/ja not_active Expired - Fee Related
- 2001-02-02 WO PCT/US2001/003380 patent/WO2001058041A2/en active Application Filing
- 2001-02-02 CA CA002399078A patent/CA2399078C/en not_active Expired - Fee Related
- 2001-02-02 SG SG200206586A patent/SG112856A1/en unknown
- 2001-04-03 TW TW090102222A patent/TW508923B/zh not_active IP Right Cessation
-
2002
- 2002-03-04 US US10/090,372 patent/US6795417B2/en not_active Expired - Lifetime
- 2002-03-04 US US10/090,498 patent/US6885649B2/en not_active Expired - Lifetime
- 2002-07-30 NO NO20023623A patent/NO326185B1/no not_active IP Right Cessation
- 2002-07-30 IL IL150991A patent/IL150991A/en not_active IP Right Cessation
-
2003
- 2003-08-18 HK HK03105902A patent/HK1056953A1/xx not_active IP Right Cessation
- 2003-08-18 HK HK05111576A patent/HK1080624A1/xx not_active IP Right Cessation
-
2005
- 2005-03-18 JP JP2005080278A patent/JP4649247B2/ja not_active Expired - Fee Related
- 2005-04-04 US US11/098,733 patent/US20050169198A1/en not_active Abandoned
- 2005-04-04 US US11/098,276 patent/US7710928B2/en not_active Expired - Fee Related
-
2007
- 2007-08-02 JP JP2007201977A patent/JP2007329960A/ja not_active Ceased
-
2008
- 2008-01-28 IL IL189071A patent/IL189071A/en not_active IP Right Cessation
- 2008-09-24 NO NO20084068A patent/NO20084068L/no not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999040698A1 (en) * | 1998-02-09 | 1999-08-12 | Motorola Inc. | Method and apparatus for joint detection of data in a direct sequence spread spectrum communications system |
WO2000027052A1 (en) * | 1998-11-03 | 2000-05-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Slotted mode code usage in a cellular communications system |
WO2000054443A1 (en) * | 1999-03-10 | 2000-09-14 | Lucent Technologies Inc. | Code branch allocation for cdma systems |
WO2000057654A2 (en) * | 1999-03-19 | 2000-09-28 | Telefonaktiebolaget Lm Ericsson (Publ) | Code reservation for interference measurement in a cdma radiocommunication system |
GB2351422A (en) * | 1999-06-25 | 2000-12-27 | Roke Manor Research | Association of a training code to a channelisation code in a mobile telecommunications system |
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