SE519044C2 - Sätt och apparat att detektera en pilotsignal, samt en mottagare - Google Patents
Sätt och apparat att detektera en pilotsignal, samt en mottagareInfo
- Publication number
- SE519044C2 SE519044C2 SE9701174A SE9701174A SE519044C2 SE 519044 C2 SE519044 C2 SE 519044C2 SE 9701174 A SE9701174 A SE 9701174A SE 9701174 A SE9701174 A SE 9701174A SE 519044 C2 SE519044 C2 SE 519044C2
- Authority
- SE
- Sweden
- Prior art keywords
- timing
- demodulator
- pilot signal
- demodulators
- pilot
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 238000001228 spectrum Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 abstract description 7
- 230000006866 deterioration Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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
- H04B1/7073—Synchronisation aspects
- H04B1/7075—Synchronisation aspects with code phase acquisition
- H04B1/70755—Setting of lock conditions, e.g. threshold
-
- 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
- H04B1/708—Parallel implementation
-
- 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
- H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Circuits Of Receivers In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10622396A JP3575649B2 (ja) | 1996-04-02 | 1996-04-02 | パイロツト信号検出方法、パイロツト信号検出装置及び受信装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9701174D0 SE9701174D0 (sv) | 1997-04-01 |
SE9701174L SE9701174L (sv) | 1997-10-03 |
SE519044C2 true SE519044C2 (sv) | 2002-12-23 |
Family
ID=14428149
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9701174A SE519044C2 (sv) | 1996-04-02 | 1997-04-01 | Sätt och apparat att detektera en pilotsignal, samt en mottagare |
Country Status (6)
Country | Link |
---|---|
US (1) | US5953364A (fi) |
JP (1) | JP3575649B2 (fi) |
KR (1) | KR970072737A (fi) |
CN (1) | CN1120584C (fi) |
FI (1) | FI971347A (fi) |
SE (1) | SE519044C2 (fi) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6282232B1 (en) * | 1997-04-09 | 2001-08-28 | Spacenet, Inc. | Methods and apparatus for burst-mode CDMA DSSS communications receiving systems |
JP3333454B2 (ja) * | 1997-12-20 | 2002-10-15 | 松下電器産業株式会社 | 相関検出装置及び相関検出装置の逆拡散符号切換え方法 |
JP4029237B2 (ja) * | 1998-11-26 | 2008-01-09 | ソニー株式会社 | 受信方法および無線通信端末装置 |
US6229839B1 (en) * | 1999-02-08 | 2001-05-08 | Qualcomm Incorporated | Method and apparatus for time tracking |
US6829290B1 (en) * | 1999-09-28 | 2004-12-07 | Texas Instruments Incorporated | Wireless communications system with combining of multiple paths selected from correlation to the primary synchronization channel |
US6831956B1 (en) | 1999-09-28 | 2004-12-14 | Texas Instruments Incorporated | Wireless communications system with combining of multiple paths selected from sub-windows in response to the primary synchronization channel |
DE60035768T2 (de) * | 2000-03-10 | 2007-12-06 | Mitsubishi Electric Information Technology Centre Europe B.V. | Verfahren und Vorrichtung zum erleichterten schnelleren Erlangen von Zielzellensignalen |
US7519099B2 (en) * | 2005-09-30 | 2009-04-14 | Freescale Semiconductor, Inc. | Pseudorandom noise lock detector |
KR102331212B1 (ko) | 2021-05-11 | 2021-12-01 | 김원빈 | 초박물광폭후판재 생산을 위한 다층복합압연 슬래브 제조방법 및 그에 적합한 시스템 |
KR102306962B1 (ko) | 2021-05-11 | 2021-10-01 | 김원빈 | 다층금속 압연재의 분리용재 도포시스템 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5301206A (en) * | 1992-02-07 | 1994-04-05 | Victor Company Of Japan, Inc. | Spread spectrum communication system |
US5490165A (en) * | 1993-10-28 | 1996-02-06 | Qualcomm Incorporated | Demodulation element assignment in a system capable of receiving multiple signals |
JP2605615B2 (ja) * | 1993-12-30 | 1997-04-30 | 日本電気株式会社 | スペクトラム拡散受信機 |
US5457713A (en) * | 1994-03-07 | 1995-10-10 | Sanconix, Inc. | Spread spectrum alignment repositioning method |
JP3444444B2 (ja) * | 1994-09-30 | 2003-09-08 | ソニー株式会社 | 通信端末装置 |
JPH08293851A (ja) * | 1995-04-21 | 1996-11-05 | Sony Corp | 移動局受信装置 |
JPH0993652A (ja) * | 1995-09-20 | 1997-04-04 | Sony Corp | 移動通信方法及び移動通信システム |
-
1996
- 1996-04-02 JP JP10622396A patent/JP3575649B2/ja not_active Expired - Fee Related
-
1997
- 1997-03-27 US US08/824,974 patent/US5953364A/en not_active Expired - Fee Related
- 1997-03-31 KR KR1019970011913A patent/KR970072737A/ko not_active Application Discontinuation
- 1997-04-01 SE SE9701174A patent/SE519044C2/sv not_active IP Right Cessation
- 1997-04-02 FI FI971347A patent/FI971347A/fi not_active IP Right Cessation
- 1997-04-02 CN CN97111629A patent/CN1120584C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP3575649B2 (ja) | 2004-10-13 |
FI971347A0 (fi) | 1997-04-02 |
KR970072737A (ko) | 1997-11-07 |
JPH09270768A (ja) | 1997-10-14 |
CN1120584C (zh) | 2003-09-03 |
FI971347A (fi) | 1997-10-03 |
SE9701174D0 (sv) | 1997-04-01 |
CN1167377A (zh) | 1997-12-10 |
SE9701174L (sv) | 1997-10-03 |
US5953364A (en) | 1999-09-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6806844B2 (en) | Calibration system for array antenna receiving apparatus | |
KR100422845B1 (ko) | Cdma방식의휴대용무선송신장치 | |
RU2138918C1 (ru) | Способ присваивания совокупности элементов демодуляции множеству доступных сигналов и способ присваивания приемников набору существующих сигналов от по крайней мере одного из источников | |
JP3202883B2 (ja) | ワイヤレス通信ネットワークにおけるハンドオフのモニタ方法 | |
US5361401A (en) | Channel hopping radio communication system and method | |
US5966402A (en) | Method and apparatus for detecting pilot signals and subscriber | |
KR950700672A (ko) | 최적의 채널할당 방법 및 장치(Method and apparatus for optimum channel assignment) | |
US7116650B2 (en) | Multi-beam cellular base station, mobile station and method for sending spread spectrum signal | |
AU7861798A (en) | Rake receiver and finger management method for spread spectrum communication | |
SE521915C2 (sv) | Förfarande och anordning för spårning av en kommunikationssignal i ett trådlöst kommunikationssystem | |
US6047019A (en) | Receiver for spectrum spread communication system | |
CA2136592C (en) | Communication method/apparatus/system capable of performing fdma transmission | |
CN100440754C (zh) | 多束天线收发机和发射和接收方法以及发射束选择方法 | |
AU769183B2 (en) | Method and apparatus for expanding cell coverage in mobile communication system | |
SE519044C2 (sv) | Sätt och apparat att detektera en pilotsignal, samt en mottagare | |
US6529496B1 (en) | TSTD transmitter for limiting transmission power of antenna and controlling method thereof for base station in mobile communication system | |
US6625434B1 (en) | Method of performing automatic frequency control in a mobile station during in speech communication mode | |
US7286800B2 (en) | Multi-beam antenna reception device and multi-beam reception method | |
US6597677B1 (en) | Spreading code allocation method and system | |
KR100308514B1 (ko) | 대기 모드에서 이동국의 자동 주파수 제어를 수행하는 방법 | |
EP1006675A2 (en) | Pilot signal detection in a radio communication terminal apparatus | |
JP2004357214A (ja) | 通信方法およびそれを利用した端末装置 | |
US6052602A (en) | Method and apparatus for selecting a base station based on a timing value obtained from a system timing signal | |
US5960030A (en) | Carrier detection unit and carrier detection method | |
KR100233107B1 (ko) | 무선통신 레이크 수신기에서 자동 주파수 제어장치 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |