AU2001250001A1 - Method for searching pilot signals to synchronize a cdma receiver with an associated transmitter - Google Patents
Method for searching pilot signals to synchronize a cdma receiver with an associated transmitterInfo
- Publication number
- AU2001250001A1 AU2001250001A1 AU2001250001A AU5000101A AU2001250001A1 AU 2001250001 A1 AU2001250001 A1 AU 2001250001A1 AU 2001250001 A AU2001250001 A AU 2001250001A AU 5000101 A AU5000101 A AU 5000101A AU 2001250001 A1 AU2001250001 A1 AU 2001250001A1
- Authority
- AU
- Australia
- Prior art keywords
- synchronize
- pilot signals
- cdma receiver
- associated transmitter
- searching pilot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
-
- 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
-
- 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
-
- 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
- H04B1/7077—Multi-step acquisition, e.g. multi-dwell, coarse-fine or validation
- H04B1/70775—Multi-dwell schemes, i.e. multiple accumulation times
-
- 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
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/0842—Weighted combining
- H04B7/086—Weighted combining using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
- H04L27/2271—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals
- H04L27/2273—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals associated with quadrature demodulation, e.g. Costas loop
-
- 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
- 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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0044—Control loops for carrier regulation
- H04L2027/0053—Closed loops
- H04L2027/0057—Closed loops quadrature phase
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0083—Signalling arrangements
- H04L2027/0087—Out-of-band signals, (e.g. pilots)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US18436300P | 2000-02-23 | 2000-02-23 | |
US60184363 | 2000-02-23 | ||
PCT/US2001/040163 WO2001063813A1 (en) | 2000-02-23 | 2001-02-23 | Method for searching pilot signals to synchronize a cdma receiver with an associated transmitter |
Publications (1)
Publication Number | Publication Date |
---|---|
AU2001250001A1 true AU2001250001A1 (en) | 2001-09-03 |
Family
ID=22676570
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2001250001A Abandoned AU2001250001A1 (en) | 2000-02-23 | 2001-02-23 | Method for searching pilot signals to synchronize a cdma receiver with an associated transmitter |
Country Status (4)
Country | Link |
---|---|
US (4) | US7233627B2 (en) |
KR (5) | KR20090028652A (en) |
AU (1) | AU2001250001A1 (en) |
WO (1) | WO2001063813A1 (en) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7233627B2 (en) * | 2000-02-23 | 2007-06-19 | Ipr Licensing, Inc. | Method for searching pilot signals to synchronize a CDMA receiver with an associated transmitter |
US6847677B1 (en) | 2000-09-29 | 2005-01-25 | Qualcomm, Incorporated | Method and apparatus for efficient Walsh covering and summing of signals in a communication system |
US7187730B1 (en) * | 2001-03-21 | 2007-03-06 | Marvell International Ltd. | Method and apparatus for predicting CCK subsymbols |
US7206352B2 (en) * | 2001-04-02 | 2007-04-17 | Koninklijke Philips Electronics N.V. | ATSC digital television system |
US7020180B2 (en) * | 2001-10-04 | 2006-03-28 | Qualcomm Inc. | Method and apparatus for acquiring pilots over code space and frequency errors in a CDMA communication system |
CA2480649A1 (en) * | 2002-03-01 | 2003-09-12 | Ipr Licensing, Inc. | Intelligent interface for adaptive antenna array |
US7907574B2 (en) * | 2004-01-29 | 2011-03-15 | Qualcomm Incorporated | Channel scheduling |
US7499673B2 (en) * | 2004-03-23 | 2009-03-03 | Cisco Technology, Inc. | Configurable diversity antenna system for wireless access points |
EP2070246B1 (en) * | 2006-10-04 | 2015-08-19 | Microsoft Technology Licensing, LLC | Method for multiplexing control and data channel |
US8041375B2 (en) | 2007-10-31 | 2011-10-18 | Qualcomm Incorporated | Methods and apparatus for use in peer to peer communications devices and/or systems relating to rate scheduling, traffic scheduling, rate control, and/or power control |
CN102239739B (en) * | 2008-12-02 | 2015-08-19 | 日本电气株式会社 | Display packing in communicator, mobile communication terminal, communication system and communicator |
US9312978B2 (en) | 2009-03-04 | 2016-04-12 | Centre Of Excellence In Wireless Technology | Pilot aided data transmission and reception with interference mitigation in wireless systems |
WO2010106549A2 (en) * | 2009-03-04 | 2010-09-23 | Centre Of Excellence In Wireless | Pilot aided data transmission and reception with interference mitigation in wireless systems |
US8149774B1 (en) * | 2009-03-12 | 2012-04-03 | Sprint Spectrum L.P. | System, apparatus, and method for use of reserved PN-offsets to limit cellular wireless communications |
US9854594B2 (en) * | 2014-03-31 | 2017-12-26 | International Business Machines Corporation | Wireless cross-connect switch |
US9723561B2 (en) * | 2015-09-22 | 2017-08-01 | Qualcomm Incorporated | System and method for reducing power consumption in detecting signal from target device |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5128683A (en) * | 1991-04-16 | 1992-07-07 | General Electric Company | Radar system with active array antenna, elevation-responsive PRF control, and beam multiplex control |
US5173706A (en) * | 1991-04-16 | 1992-12-22 | General Electric Company | Radar processor with range sidelobe reduction following doppler filtering |
US5552798A (en) * | 1994-08-23 | 1996-09-03 | Globalstar L.P. | Antenna for multipath satellite communication links |
US5617102A (en) * | 1994-11-18 | 1997-04-01 | At&T Global Information Solutions Company | Communications transceiver using an adaptive directional antenna |
US5691974A (en) | 1995-01-04 | 1997-11-25 | Qualcomm Incorporated | Method and apparatus for using full spectrum transmitted power in a spread spectrum communication system for tracking individual recipient phase, time and energy |
DE19502368B4 (en) * | 1995-01-26 | 2006-08-17 | Robert Bosch Gmbh | A method of forming a signal relating to the amount of exhaust gas recirculated to an internal combustion engine |
US5760740A (en) * | 1995-08-08 | 1998-06-02 | Lucent Technologies, Inc. | Apparatus and method for electronic polarization correction |
US5995483A (en) * | 1996-08-22 | 1999-11-30 | Tellabs Operations, Inc. | Apparatus and method for upstream clock synchronization in a multi-point OFDM/DMT digital communication system |
US5739788A (en) * | 1996-12-03 | 1998-04-14 | The Aerospace Corporation | Adaptive receiving antenna for beam repositioning |
JP3526196B2 (en) * | 1997-01-07 | 2004-05-10 | 株式会社東芝 | Adaptive antenna |
US6122266A (en) * | 1997-02-19 | 2000-09-19 | Lucent Technologies Inc. | Multi-level sectorized CDMA communications |
US6144649A (en) | 1997-02-27 | 2000-11-07 | Motorola, Inc. | Method and apparatus for acquiring a pilot signal in a CDMA receiver |
US5933112A (en) * | 1997-05-30 | 1999-08-03 | Matsushita Electric Industrial Co., Ltd. | Antenna array receiver and a method of correcting a phase shift amount of a receiving signal |
US6009124A (en) * | 1997-09-22 | 1999-12-28 | Intel Corporation | High data rate communications network employing an adaptive sectored antenna |
US6144691A (en) | 1997-09-30 | 2000-11-07 | Nokia Mobile Phones Limited | Method and apparatus for synchronizing to a direct sequence spread spectrum signal |
JP3302634B2 (en) * | 1997-12-16 | 2002-07-15 | 松下電器産業株式会社 | Data communication device and method |
US6765953B1 (en) * | 1998-09-09 | 2004-07-20 | Qualcomm Incorporated | User terminal parallel searcher |
US6100843A (en) * | 1998-09-21 | 2000-08-08 | Tantivy Communications Inc. | Adaptive antenna for use in same frequency networks |
US6141374A (en) * | 1998-10-14 | 2000-10-31 | Lucent Technologies Inc. | Method and apparatus for generating multiple matched-filter PN vectors in a CDMA demodulator |
US6606363B1 (en) * | 1999-12-28 | 2003-08-12 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for estimating a frequency offset by combining pilot symbols and data symbols |
KR100329110B1 (en) * | 2000-01-28 | 2002-03-18 | 오길록 | Space-Time Array Receive System Using Chip-Level, Time-Reference Beamforming Algorithm |
US7233627B2 (en) * | 2000-02-23 | 2007-06-19 | Ipr Licensing, Inc. | Method for searching pilot signals to synchronize a CDMA receiver with an associated transmitter |
JP3865192B2 (en) * | 2000-03-31 | 2007-01-10 | 本田技研工業株式会社 | Vehicle display device |
-
2001
- 2001-02-20 US US09/789,476 patent/US7233627B2/en not_active Expired - Fee Related
- 2001-02-23 KR KR1020097003142A patent/KR20090028652A/en not_active Application Discontinuation
- 2001-02-23 KR KR1020087024969A patent/KR100938186B1/en not_active IP Right Cessation
- 2001-02-23 KR KR1020087007784A patent/KR100911235B1/en active IP Right Grant
- 2001-02-23 WO PCT/US2001/040163 patent/WO2001063813A1/en active Application Filing
- 2001-02-23 AU AU2001250001A patent/AU2001250001A1/en not_active Abandoned
- 2001-02-23 KR KR1020027011099A patent/KR100843655B1/en not_active IP Right Cessation
- 2001-02-23 KR KR1020077022655A patent/KR100890417B1/en not_active IP Right Cessation
-
2007
- 2007-06-14 US US11/818,293 patent/US7916772B2/en not_active Expired - Fee Related
-
2011
- 2011-03-28 US US13/073,594 patent/US8315294B2/en not_active Expired - Fee Related
-
2012
- 2012-11-19 US US13/680,845 patent/US20130121251A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US20130121251A1 (en) | 2013-05-16 |
US7233627B2 (en) | 2007-06-19 |
KR100843655B1 (en) | 2008-07-04 |
KR20020086577A (en) | 2002-11-18 |
WO2001063813A1 (en) | 2001-08-30 |
KR100938186B1 (en) | 2010-01-21 |
US8315294B2 (en) | 2012-11-20 |
KR100911235B1 (en) | 2009-08-06 |
KR20090028652A (en) | 2009-03-18 |
KR100890417B1 (en) | 2009-03-26 |
KR20080035023A (en) | 2008-04-22 |
KR20080098082A (en) | 2008-11-06 |
US20080225991A1 (en) | 2008-09-18 |
US20020136274A1 (en) | 2002-09-26 |
US7916772B2 (en) | 2011-03-29 |
KR20070103088A (en) | 2007-10-22 |
US20110170493A1 (en) | 2011-07-14 |
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