CN100382447C - 用于在无线通信系统中执行信号检测和分配的方法和装置 - Google Patents
用于在无线通信系统中执行信号检测和分配的方法和装置 Download PDFInfo
- Publication number
- CN100382447C CN100382447C CNB028224213A CN02822421A CN100382447C CN 100382447 C CN100382447 C CN 100382447C CN B028224213 A CNB028224213 A CN B028224213A CN 02822421 A CN02822421 A CN 02822421A CN 100382447 C CN100382447 C CN 100382447C
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- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000004891 communication Methods 0.000 title claims abstract description 31
- 238000001514 detection method Methods 0.000 title abstract description 3
- 238000013508 migration Methods 0.000 claims description 45
- 230000005012 migration Effects 0.000 claims description 45
- 238000010295 mobile communication Methods 0.000 claims description 35
- 239000000203 mixture Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000007792 addition Methods 0.000 claims 9
- 238000001228 spectrum Methods 0.000 description 24
- 230000014509 gene expression Effects 0.000 description 8
- 230000001427 coherent effect Effects 0.000 description 7
- 238000009825 accumulation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 230000010267 cellular communication Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
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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
- H04B1/7097—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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
Description
搜索量度 | 偏移索引 | 偏移能量值 |
x<sub>0</sub> | 0 | 5 |
x<sub>1</sub> | 1 | 4 |
x<sub>2</sub> | 2 | 6 |
已排序搜索量度 | 已排序偏移索引 | 已排序偏移能量值 |
y<sub>0</sub> | 2 | 6 |
y<sub>1</sub> | 0 | 5 |
y<sub>2</sub> | 1 | 4 |
Claims (12)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/025,056 US6728304B2 (en) | 2001-12-18 | 2001-12-18 | Method and apparatus for performing a signal detection and assignment in a wireless communication system |
US10/025,056 | 2001-12-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1586046A CN1586046A (zh) | 2005-02-23 |
CN100382447C true CN100382447C (zh) | 2008-04-16 |
Family
ID=21823818
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB028224213A Expired - Lifetime CN100382447C (zh) | 2001-12-18 | 2002-11-26 | 用于在无线通信系统中执行信号检测和分配的方法和装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6728304B2 (zh) |
EP (1) | EP1459457B1 (zh) |
CN (1) | CN100382447C (zh) |
AT (1) | ATE488916T1 (zh) |
AU (1) | AU2002357025A1 (zh) |
DE (1) | DE60238349D1 (zh) |
WO (1) | WO2003052956A1 (zh) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6768908B1 (en) * | 2000-04-07 | 2004-07-27 | Motorola, Inc. | Method and apparatus for soft handoff communications in a communication system operating according to IS-95B and IS-95C standards |
US7769078B2 (en) * | 2000-12-22 | 2010-08-03 | Telefonaktiebolaget Lm Ericsson (Publ) | Apparatus, methods and computer program products for delay selection in a spread-spectrum receiver |
US7738533B2 (en) * | 2002-01-07 | 2010-06-15 | Qualcomm Incorporated | Multiplexed CDMA and GPS searching |
KR100438430B1 (ko) * | 2002-01-24 | 2004-07-03 | 삼성전자주식회사 | 이동통신시스템에서 트래픽 플로우 탬플릿 재정렬 장치 및방법 |
TWI259011B (en) * | 2002-04-12 | 2006-07-21 | Interdigital Tech Corp | Access burst detector correlator pool |
US6785322B1 (en) * | 2002-04-12 | 2004-08-31 | Interdigital Technology Corporation | Node-B/base station rake finger pooling |
US20040109494A1 (en) * | 2002-12-10 | 2004-06-10 | Kindred Daniel R. | Finger merge protection for rake receivers using polling |
JP4407126B2 (ja) * | 2003-01-09 | 2010-02-03 | ソニー株式会社 | 無線通信システム、無線通信装置及び無線通信方法、並びにコンピュータ・プログラム |
TW200803540A (en) * | 2003-03-05 | 2008-01-01 | Interdigital Tech Corp | Received communication signal processing methods and components for wireless communication equipment |
US7403557B2 (en) * | 2004-07-27 | 2008-07-22 | Nokia Corporation | Apparatus and method for hybrid traffic and pilot signal quality determination of finger lock status of rake receiver correlators |
JP4542937B2 (ja) * | 2005-03-31 | 2010-09-15 | 株式会社日立国際電気 | 基地局装置 |
US20060269024A1 (en) * | 2005-05-27 | 2006-11-30 | Francis Dominique | Initial multi-path acquisition of random access channels |
US7764656B2 (en) * | 2005-07-13 | 2010-07-27 | Alcatel-Lucent Usa Inc. | Methods of multipath acquisition for dedicated traffic channels |
US7929499B2 (en) * | 2005-07-13 | 2011-04-19 | Alcatel-Lucent Usa Inc. | Methods of multipath acquisition for dedicated traffic channels |
US7856071B2 (en) * | 2005-07-26 | 2010-12-21 | Alcatel-Lucent Usa Inc. | Multi-path acquisition in the presence of very high data rate users |
US8213978B1 (en) | 2005-08-29 | 2012-07-03 | At&T Mobility Ii Llc | Estimating mobile local propagation environment characteristics for wireless communications |
US7693241B2 (en) * | 2005-10-31 | 2010-04-06 | Qualcomm Incorporated | Rake receiver finger assignment based on signal path concentration |
JP4835951B2 (ja) | 2005-11-04 | 2011-12-14 | 日本電気株式会社 | 無線通信システムとその送信電力制御方法 |
JP2008124942A (ja) * | 2006-11-15 | 2008-05-29 | Nec Corp | 無線通信システム、無線通信装置及びそれらに用いる有効パス検出方法 |
US20110164515A1 (en) * | 2009-12-29 | 2011-07-07 | Electronics And Telecommunications Research Institute | Communication method |
US8855253B2 (en) * | 2012-02-24 | 2014-10-07 | Nokia Siemens Networks Oy | Error prediction for two-stage receivers |
US11064438B2 (en) | 2016-03-07 | 2021-07-13 | Telefonaktiebolaget Lm Ericsson (Publ) | Reliable communication to energy-detection receivers |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1182986A (zh) * | 1996-08-23 | 1998-05-27 | Ntt移动通信网株式会社 | 瑞克接收机 |
WO2000021201A2 (en) * | 1998-10-07 | 2000-04-13 | Ericsson Inc. | Delay searcher and delay trackers interaction for new delays assignment to rake fingers |
EP1065807A1 (en) * | 1999-07-02 | 2001-01-03 | Alcatel Alsthom Compagnie Generale D'electricite | A method of resolving physical layer collisions in a random access protocol, and a corresponding receiver |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5881058A (en) * | 1996-11-25 | 1999-03-09 | Motorola, Inc. | Method for performing a signal search in a wireless communication system |
US6208871B1 (en) * | 1998-02-27 | 2001-03-27 | Motorola, Inc. | Method and apparatus for providing a time adjustment to a wireless communication system |
US6169731B1 (en) | 1998-03-10 | 2001-01-02 | Motorola, Inc. | Method and apparatus for signal acquisition and power control |
US6370397B1 (en) * | 1998-05-01 | 2002-04-09 | Telefonaktiebolaget Lm Ericsson (Publ) | Search window delay tracking in code division multiple access communication systems |
US6125137A (en) * | 1998-09-11 | 2000-09-26 | Motorola, Inc. | Apparatus and method for performing a signal search in a coherent wireless communication system |
US6108324A (en) * | 1998-09-22 | 2000-08-22 | Motorola, Inc. | Apparatus and method for performing a signal search in a wireless communication system |
US6208842B1 (en) * | 1999-09-30 | 2001-03-27 | Motorola Inc. | Method and apparatus for estimating a channel parameter |
-
2001
- 2001-12-18 US US10/025,056 patent/US6728304B2/en not_active Expired - Lifetime
-
2002
- 2002-11-26 CN CNB028224213A patent/CN100382447C/zh not_active Expired - Lifetime
- 2002-11-26 AU AU2002357025A patent/AU2002357025A1/en not_active Abandoned
- 2002-11-26 DE DE60238349T patent/DE60238349D1/de not_active Expired - Lifetime
- 2002-11-26 WO PCT/US2002/038081 patent/WO2003052956A1/en not_active Application Discontinuation
- 2002-11-26 EP EP02805079A patent/EP1459457B1/en not_active Expired - Lifetime
- 2002-11-26 AT AT02805079T patent/ATE488916T1/de not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1182986A (zh) * | 1996-08-23 | 1998-05-27 | Ntt移动通信网株式会社 | 瑞克接收机 |
WO2000021201A2 (en) * | 1998-10-07 | 2000-04-13 | Ericsson Inc. | Delay searcher and delay trackers interaction for new delays assignment to rake fingers |
EP1065807A1 (en) * | 1999-07-02 | 2001-01-03 | Alcatel Alsthom Compagnie Generale D'electricite | A method of resolving physical layer collisions in a random access protocol, and a corresponding receiver |
Non-Patent Citations (1)
Title |
---|
Performance of a rake demodulator withpre-decisionmultipaththresholding. Kane JR R E.Proceedings of the military communications conference,Vol.IEEE ,US,VOL.3 No.xp000222000. 1990 * |
Also Published As
Publication number | Publication date |
---|---|
CN1586046A (zh) | 2005-02-23 |
WO2003052956A1 (en) | 2003-06-26 |
AU2002357025A1 (en) | 2003-06-30 |
DE60238349D1 (de) | 2010-12-30 |
EP1459457A1 (en) | 2004-09-22 |
US6728304B2 (en) | 2004-04-27 |
EP1459457B1 (en) | 2010-11-17 |
ATE488916T1 (de) | 2010-12-15 |
US20030112776A1 (en) | 2003-06-19 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: MOTOROLA MOBILE CO., LTD Free format text: FORMER OWNER: MOTOROLA INC. Effective date: 20110117 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20110117 Address after: Illinois State Patentee after: MOTOROLA MOBILITY, Inc. Address before: Illinois, USA Patentee before: Motorola, Inc. |
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C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: Illinois State Patentee after: MOTOROLA MOBILITY LLC Address before: Illinois State Patentee before: MOTOROLA MOBILITY, Inc. |
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TR01 | Transfer of patent right |
Effective date of registration: 20160302 Address after: California, USA Patentee after: Google Technology Holdings LLC Address before: Illinois State Patentee before: MOTOROLA MOBILITY LLC |
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CX01 | Expiry of patent term |
Granted publication date: 20080416 |
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CX01 | Expiry of patent term |