KR100720332B1 - 코드 분할 다중 접속 방식을 이용한 시분할 쌍방향 통신시스템의 셀 검색 절차 - Google Patents
코드 분할 다중 접속 방식을 이용한 시분할 쌍방향 통신시스템의 셀 검색 절차 Download PDFInfo
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- KR100720332B1 KR100720332B1 KR1020067010530A KR20067010530A KR100720332B1 KR 100720332 B1 KR100720332 B1 KR 100720332B1 KR 1020067010530 A KR1020067010530 A KR 1020067010530A KR 20067010530 A KR20067010530 A KR 20067010530A KR 100720332 B1 KR100720332 B1 KR 100720332B1
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- 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
- H04B1/7083—Cell search, e.g. using a three-step approach
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- 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
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- 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
- H04B1/7075—Synchronisation aspects with code phase acquisition
- H04B1/70751—Synchronisation aspects with code phase acquisition using partial detection
- H04B1/70752—Partial correlation
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- 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]
-
- 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
- H04B7/2643—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/26—Resource reservation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/04—Scheduled access
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
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- 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
- H04B2201/70702—Intercell-related aspects
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
- Time-Division Multiplex Systems (AREA)
- Radio Relay Systems (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Communication Control (AREA)
- Radar Systems Or Details Thereof (AREA)
- Circuits Of Receivers In General (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Vehicle Body Suspensions (AREA)
- Small-Scale Networks (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Bidirectional Digital Transmission (AREA)
Abstract
Description
코드군(n) | b6 ,n | b5 ,n | b4 ,n | b3 ,n | b2 ,n |
1 | +1 | +1 | +1 | +1 | +1 |
2 | +1 | +1 | +1 | +1 | -1 |
3 | +1 | +1 | +1 | -1 | +1 |
… | … | … | … | … | … |
32 | -1 | -1 | -1 | -1 | -1 |
프레임당 PSCH 타임슬롯 순서 | b1,n |
K, 여기서 K= 0, .... 7 | +1 |
K+8 | -1 |
Claims (6)
- 시분할 쌍방향 방식(TDD) 기지국이 가지고 있는 N개의 코드군들로부터의 코드군을 식별하는 방법에 있어서,상기 TDD 기지국으로부터 주동기 코드(priminary synchronization code)를 복수의 부동기 코드(secondary synchronization code)와 함께 전송하는 단계를 포함하며,상기 복수의 부동기 코드는 상기 코드군수와 프레임당 물리적 동기화 채널의 타임 슬롯의 곱에 2가 밑(base)인 log 연산함에 의해 계산되고, (log2N)+1 보다 적은 수가 되도록 선택되며,상기 복수의 부동기 코드는 4상 쉬프트 키잉(quadrature phase shift keying) 변조되며,TDD 기지국의 코드군은 상기 전송된 부동기 코드에 의해 식별되는 것인 코드군 식별 방법.
- 제 1 항에 있어서, 상기 부동기 코드 각각은 아다마르 매트릭스의 열(row)로부터 도출되는 것인 코드군 식별 방법.
- 제 1 항에 있어서, 상기 N의 값은 32인 것인 코드군 식별 방법.
- 제 3 항에 있어서, 상기 32개의 코드군은 복수의 코드군으로 분할되고, 상기 사용자 장치는 상이한 부동기 코드의 세트를 이용하여 상기 복수의 코드군 각각에 대해 식별하는 것인 코드군 식별 방법.
- 제4항에 있어서, 상기 32개의 코드군은 하반부 코드 1-16과 상반부 코드 17-32을 가지는 것인 코드군 식별 방법.
- 삭제
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13666499P | 1999-05-28 | 1999-05-28 | |
US60/136,664 | 1999-05-28 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020067001772A Division KR100711564B1 (ko) | 1999-05-28 | 2000-05-24 | 코드 분할 다중 접속 방식을 이용한 시분할 쌍방향 통신시스템의 셀 검색 절차 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060073707A KR20060073707A (ko) | 2006-06-28 |
KR100720332B1 true KR100720332B1 (ko) | 2007-05-23 |
Family
ID=22473829
Family Applications (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020047020342A KR100591972B1 (ko) | 1999-05-28 | 2000-05-24 | 코드 분할 다중 접속 방식을 이용한 시분할 쌍방향 통신시스템의 셀 검색 절차 |
KR10-2004-7009505A KR100503720B1 (ko) | 1999-05-28 | 2000-05-24 | 코드 분할 다중 접속 방식을 이용한 시분할 쌍방향 통신시스템의 셀 검색 절차 |
KR10-2001-7015278A KR100457286B1 (ko) | 1999-05-28 | 2000-05-24 | 코드 분할 다중 접속 방식을 이용한 시분할 쌍방향 통신 시스템의 셀 검색 절차 |
KR1020067001772A KR100711564B1 (ko) | 1999-05-28 | 2000-05-24 | 코드 분할 다중 접속 방식을 이용한 시분할 쌍방향 통신시스템의 셀 검색 절차 |
KR1020067010530A KR100720332B1 (ko) | 1999-05-28 | 2000-05-24 | 코드 분할 다중 접속 방식을 이용한 시분할 쌍방향 통신시스템의 셀 검색 절차 |
Family Applications Before (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020047020342A KR100591972B1 (ko) | 1999-05-28 | 2000-05-24 | 코드 분할 다중 접속 방식을 이용한 시분할 쌍방향 통신시스템의 셀 검색 절차 |
KR10-2004-7009505A KR100503720B1 (ko) | 1999-05-28 | 2000-05-24 | 코드 분할 다중 접속 방식을 이용한 시분할 쌍방향 통신시스템의 셀 검색 절차 |
KR10-2001-7015278A KR100457286B1 (ko) | 1999-05-28 | 2000-05-24 | 코드 분할 다중 접속 방식을 이용한 시분할 쌍방향 통신 시스템의 셀 검색 절차 |
KR1020067001772A KR100711564B1 (ko) | 1999-05-28 | 2000-05-24 | 코드 분할 다중 접속 방식을 이용한 시분할 쌍방향 통신시스템의 셀 검색 절차 |
Country Status (20)
Country | Link |
---|---|
EP (4) | EP1188260B1 (ko) |
JP (3) | JP3631205B2 (ko) |
KR (5) | KR100591972B1 (ko) |
CN (5) | CN100334818C (ko) |
AT (3) | ATE371309T1 (ko) |
AU (3) | AU765193B2 (ko) |
BR (1) | BRPI0010996B1 (ko) |
CA (5) | CA2507751C (ko) |
DE (4) | DE1188260T1 (ko) |
DK (3) | DK1188260T3 (ko) |
EG (1) | EG22322A (ko) |
ES (3) | ES2220472T3 (ko) |
HK (5) | HK1042995B (ko) |
IL (4) | IL146742A0 (ko) |
MX (1) | MXPA01012097A (ko) |
MY (1) | MY130406A (ko) |
NO (1) | NO324236B1 (ko) |
SG (1) | SG121835A1 (ko) |
TW (1) | TW484266B (ko) |
WO (1) | WO2000074276A1 (ko) |
Families Citing this family (23)
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FR2814878B1 (fr) * | 2000-10-02 | 2003-05-30 | Mitsubishi Electric Inf Tech | Procede d'emission d'un signal de synchronisation pendant un intervalle de temps de synchronisation d'un systeme de telecommunication radio-mobile du type duplex a division de temps (tdd) |
TW490981B (en) * | 2000-10-30 | 2002-06-11 | Ind Tech Res Inst | Method and device for code group identification and frame boundary synchronization |
GB2374252A (en) * | 2001-04-04 | 2002-10-09 | Ubinetics Ltd | Identification of neighbouring cell scrambling codes |
GB2379841A (en) | 2001-09-13 | 2003-03-19 | Ipwireless Inc | Efficient synchronisation channel encoding in UTRA TDDD mode |
US6760365B2 (en) * | 2001-10-11 | 2004-07-06 | Interdigital Technology Corporation | Acquisition circuit for low chip rate option for mobile telecommunication system |
KR100421585B1 (ko) * | 2001-10-25 | 2004-03-09 | 한국전자통신연구원 | 시간분할 듀플렉스 시스템에서 이동국의 셀 탐색 시스템및 그 방법 |
EP1449318A4 (en) | 2001-11-29 | 2007-08-15 | Interdigital Tech Corp | SYSTEM AND METHOD FOR USE OF PRIMARY AND SECONDARY SYNCHRONIZATION CODES DURING THE CELL SEARCH |
US7065064B2 (en) * | 2001-12-20 | 2006-06-20 | Interdigital Technology Corporation | Cell search using peak quality factors |
CN100425015C (zh) * | 2002-05-16 | 2008-10-08 | 智邦科技股份有限公司 | 相干型检测与译码方法与装置 |
GB2394868B (en) * | 2002-11-01 | 2006-04-05 | Ipwireless Inc | Encoder and method for efficient synchronisation channel encoding in utra tdd mode |
ITTO20021082A1 (it) | 2002-12-13 | 2004-06-14 | St Microelectronics Srl | Procedimento e dispositivo di sincronizzazione ed identificazione del cosiddetto codegroup in sistemi di comunicazione di tipo cellulare, relativo prodotto informatico. |
US6944142B2 (en) * | 2003-05-13 | 2005-09-13 | Interdigital Technology Corporation | Method for soft and softer handover in time division duplex code division multiple access (TDD-CDMA) networks |
CN1929320B (zh) * | 2005-09-05 | 2010-05-05 | 中兴通讯股份有限公司 | 一种wcdma系统中实时产生辅助同步码的方法和装置 |
GB2458418B (en) | 2006-12-19 | 2011-08-03 | Lg Electronics Inc | Sequence generating method for efficient detection and method for transmitting and receiving signals using the same |
MY147045A (en) * | 2007-01-08 | 2012-10-15 | Ericsson Telefon Ab L M | Secondary synchronization sequences for cell group detection in a cellular communications sysytem |
US8634403B2 (en) * | 2007-01-10 | 2014-01-21 | Qualcomm Incorporated | Fast cell search |
KR100938756B1 (ko) | 2007-07-06 | 2010-01-26 | 엘지전자 주식회사 | 무선통신 시스템에서 셀 탐색 과정을 수행하는 방법 |
JP4869404B2 (ja) | 2007-09-04 | 2012-02-08 | シャープ株式会社 | 基地局装置、移動局装置、分布アンテナ無線通信システム、パイロットチャネル生成方法、同期チャネル生成方法およびアンテナ選択方法 |
US9119132B2 (en) | 2007-10-10 | 2015-08-25 | Qualcomm Incorporated | Efficient system identification schemes for communication systems |
RU2452120C2 (ru) * | 2007-10-10 | 2012-05-27 | Квэлкомм Инкорпорейтед | Эффективные схемы идентификации системы для систем связи |
CN102065032B (zh) * | 2010-07-15 | 2013-06-12 | 西安电子科技大学 | 基于高空平台半再生式信号处理的移动通信系统及方法 |
US8954055B2 (en) * | 2011-11-10 | 2015-02-10 | Qualcomm Incorporated | Initial acquisition and neighbor search algorithms for wireless networks |
KR20140126309A (ko) * | 2012-01-29 | 2014-10-30 | 엘지전자 주식회사 | 동기 신호 수신 방법 및 사용자기기와 동기 신호 전송 방법 및 기지국 |
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2006
- 2006-03-09 IL IL174227A patent/IL174227A/en not_active IP Right Cessation
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2007
- 2007-07-18 HK HK07107756.2A patent/HK1103505A1/xx not_active IP Right Cessation
- 2007-07-18 HK HK07107757.1A patent/HK1103483A1/xx not_active IP Right Cessation
- 2007-07-18 HK HK07107759.9A patent/HK1103506A1/xx not_active IP Right Cessation
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2009
- 2009-03-10 AU AU2009200936A patent/AU2009200936B2/en not_active Ceased
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2010
- 2010-06-24 IL IL206600A patent/IL206600A0/en unknown
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