WO1999008460A2 - Communications apparatus and methods for adaptive signal processing based on mobility characteristics - Google Patents
Communications apparatus and methods for adaptive signal processing based on mobility characteristics Download PDFInfo
- Publication number
- WO1999008460A2 WO1999008460A2 PCT/US1998/016503 US9816503W WO9908460A2 WO 1999008460 A2 WO1999008460 A2 WO 1999008460A2 US 9816503 W US9816503 W US 9816503W WO 9908460 A2 WO9908460 A2 WO 9908460A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- characteristic
- mobility characteristic
- estimating
- adaptively
- mobility
- Prior art date
Links
- 238000004891 communication Methods 0.000 title claims abstract description 71
- 230000003044 adaptive effect Effects 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims description 42
- 238000012545 processing Methods 0.000 title abstract description 24
- 230000001413 cellular effect Effects 0.000 claims description 13
- 230000010267 cellular communication Effects 0.000 claims description 12
- 238000010586 diagram Methods 0.000 description 6
- 238000005562 fading Methods 0.000 description 6
- 238000005070 sampling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- IRLPACMLTUPBCL-KQYNXXCUSA-N 5'-adenylyl sulfate Chemical compound C1=NC=2C(N)=NC=NC=2N1[C@@H]1O[C@H](COP(O)(=O)OS(O)(=O)=O)[C@@H](O)[C@H]1O IRLPACMLTUPBCL-KQYNXXCUSA-N 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000019491 signal transduction Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
- H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
- H04L25/0232—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between sounding signals
- H04L25/0234—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between sounding signals by non-linear interpolation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/005—Control of transmission; Equalising
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE69815689T DE69815689T2 (en) | 1997-08-08 | 1998-08-07 | TRANSMISSION METHOD AND DEVICE FOR ADAPTIVE SIGNAL PROCESSING BASED ON MOBILITY PROPERTIES |
EP98942016A EP1002380B1 (en) | 1997-08-08 | 1998-08-07 | Communications apparatus and methods for adaptive signal processing based on mobility characteristics |
AU90159/98A AU9015998A (en) | 1997-08-08 | 1998-08-07 | Communications apparatus and methods for adaptive signal processing based on mobility characteristics |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/908,088 US6151484A (en) | 1997-08-08 | 1997-08-08 | Communications apparatus and methods for adaptive signal processing based on mobility characteristics |
US08/908,088 | 1997-08-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1999008460A2 true WO1999008460A2 (en) | 1999-02-18 |
WO1999008460A3 WO1999008460A3 (en) | 1999-06-03 |
Family
ID=25425157
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1998/016503 WO1999008460A2 (en) | 1997-08-08 | 1998-08-07 | Communications apparatus and methods for adaptive signal processing based on mobility characteristics |
Country Status (5)
Country | Link |
---|---|
US (2) | US6151484A (en) |
EP (1) | EP1002380B1 (en) |
AU (1) | AU9015998A (en) |
DE (1) | DE69815689T2 (en) |
WO (1) | WO1999008460A2 (en) |
Cited By (16)
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WO1999060721A1 (en) * | 1998-05-15 | 1999-11-25 | Ericsson Inc. | Method for improving signal reception in a mobile communication unit by using pilot symbols |
EP1187409A1 (en) * | 2000-09-12 | 2002-03-13 | Lucent Technologies Inc. | Filtering for channel estimation |
WO2002021711A1 (en) * | 2000-09-06 | 2002-03-14 | Linkair Communications, Inc. | A method of channel estimation and the receive system for implementing said method |
US6686366B1 (en) | 1998-06-02 | 2004-02-03 | Osi Pharmaceuticals, Inc. | Compounds specific to adenosine A3 receptor and uses thereof |
KR100425611B1 (en) * | 1999-09-29 | 2004-04-01 | 마츠시타 덴끼 산교 가부시키가이샤 | Communication terminal and radio communication method |
US6800633B2 (en) | 1998-06-02 | 2004-10-05 | Osi Pharmaceuticals, Inc. | Pyrrolo[2,3d]pyrimidine compositions and their use |
US6878716B1 (en) | 1998-06-02 | 2005-04-12 | Osi Pharmaceuticals, Inc. | Compounds specific to adenosine A1 receptor and uses thereof |
US7160890B2 (en) | 1999-12-02 | 2007-01-09 | Osi Pharmaceuticals, Inc. | Compounds specific to adenosine A3 receptor and uses thereof |
WO2007037637A2 (en) * | 2005-09-28 | 2007-04-05 | Lg Electronics Inc. | A method and apparatus for channel estimation |
US7501407B2 (en) | 2001-12-20 | 2009-03-10 | Osi Pharmaceuticals, Inc. | Pyrimidine A2B selective antagonist compounds, their synthesis and use |
US7504407B2 (en) | 2001-11-30 | 2009-03-17 | Osi Pharmaceuticals, Inc. | Compounds specific to adenosine A1 and A3 receptors and uses thereof |
US7598252B2 (en) | 2000-12-01 | 2009-10-06 | Osi Pharmaceuticals, Inc. | Compounds specific to adenosine A, receptors and uses thereof |
WO2011092257A1 (en) * | 2010-01-29 | 2011-08-04 | Icera Inc | A cellular communications system |
US8126451B2 (en) | 2007-10-31 | 2012-02-28 | Icera, Inc. | Synchronous CDMA communication system |
US8577304B2 (en) | 2007-10-31 | 2013-11-05 | Icera, Inc. | Synchronous CDMA communication system |
EP2101465A3 (en) * | 2008-03-14 | 2014-04-09 | Sony Corporation | Multicarrier reception |
Families Citing this family (30)
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US6693982B1 (en) * | 1997-10-06 | 2004-02-17 | At&T Corp. | Minimum mean squared error approach to interference cancellation and maximum likelihood decoding of space-time block codes |
FI108103B (en) * | 1998-04-15 | 2001-11-15 | Nokia Mobile Phones Ltd | Intermediary level for implementing protocol adaptations in a digital wireless communication system |
US6522706B1 (en) * | 1998-12-10 | 2003-02-18 | National Semiconductor Corporation | Delay spread estimation for multipath fading channels |
US6493329B1 (en) * | 1999-08-23 | 2002-12-10 | Qualcomm Incorporated | Adaptive channel estimation in a wireless communication system |
SE516962C2 (en) * | 1999-11-25 | 2002-03-26 | Ericsson Telefon Ab L M | Digital communication receiver with built-in control unit for switching on and off channel followers depending on the quality of the communication channel |
BR0015664B1 (en) * | 1999-12-09 | 2015-01-06 | Core Wireless Licensing Sarl | METHOD FOR OPERATING MOBILE EQUIPMENT IN A WIRELESS NETWORK, WIRELESS COMMUNICATION SYSTEM, AND METHOD FOR OPERATING A WIRELESS COMMUNICATION SYSTEM |
SE0003217L (en) * | 2000-09-12 | 2002-03-05 | Kvaser Consultant Ab | Arrangements to increase accessibility of data and / or control commands in distributed control systems |
US20030012308A1 (en) * | 2001-06-13 | 2003-01-16 | Sampath Hemanth T. | Adaptive channel estimation for wireless systems |
KR100393192B1 (en) * | 2001-07-11 | 2003-07-31 | 삼성전자주식회사 | Signal receiving apparatus and method adapted for time-variant channel |
US8494063B1 (en) | 2001-09-25 | 2013-07-23 | Netgear, Inc. | System and method for stacking receiver channels for increased system through-put in an RF data transmission system |
FI20021288A0 (en) * | 2002-06-28 | 2002-06-28 | Nokia Corp | Method and apparatus for data communication and base station |
KR100548320B1 (en) * | 2002-12-31 | 2006-02-02 | 엘지전자 주식회사 | Apparatus and method for allocating searching resource in base station modem |
GB2399987B (en) * | 2003-03-27 | 2006-10-11 | Ubinetics Ltd | Wireless communications system |
US7433433B2 (en) * | 2003-11-13 | 2008-10-07 | Telefonaktiebolaget L M Ericsson (Publ) | Channel estimation by adaptive interpolation |
CN1943141B (en) * | 2004-03-16 | 2015-07-08 | 诺基亚公司 | Method, device and system for duplex communications |
TWI283135B (en) * | 2004-04-07 | 2007-06-21 | Benq Corp | Communication channel characteristic estimation method |
US9154339B2 (en) * | 2004-12-22 | 2015-10-06 | Qualcomm Incorporated | Methods and apparatus for decoder selection in communication systems |
KR101265587B1 (en) * | 2005-05-02 | 2013-05-22 | 엘지전자 주식회사 | Method and Apparatus for Receiving signal in Multiple Access System Using Multple Carriers |
US7408974B2 (en) * | 2005-05-11 | 2008-08-05 | Sprint Spectrum L.P. | Composite code-division/time-division multiplex system |
GB0616472D0 (en) * | 2006-08-18 | 2006-09-27 | Fujitsu Ltd | Communication systems |
US8737295B2 (en) * | 2007-11-16 | 2014-05-27 | Qualcomm Incorporated | Sector identification using sector parameters signatures |
US8902867B2 (en) * | 2007-11-16 | 2014-12-02 | Qualcomm Incorporated | Favoring access points in wireless communications |
US20090137228A1 (en) * | 2007-11-16 | 2009-05-28 | Qualcomm Incorporated | Utilizing restriction codes in wireless access point connection attempts |
US9603062B2 (en) * | 2007-11-16 | 2017-03-21 | Qualcomm Incorporated | Classifying access points using pilot identifiers |
US8848656B2 (en) * | 2007-11-16 | 2014-09-30 | Qualcomm Incorporated | Utilizing broadcast signals to convey restricted association information |
US20100027510A1 (en) * | 2008-08-04 | 2010-02-04 | Qualcomm Incorporated | Enhanced idle handoff to support femto cells |
US8588773B2 (en) * | 2008-08-04 | 2013-11-19 | Qualcomm Incorporated | System and method for cell search and selection in a wireless communication system |
US8606254B2 (en) * | 2009-10-30 | 2013-12-10 | Blackberry Limited | Method and system for receiver adaptation based on knowledge of wireless propagation environments |
US8503587B2 (en) | 2011-05-23 | 2013-08-06 | Harris Corporation | Adaptive channel tracking using peak fade depth estimation over a slot |
US10257839B2 (en) * | 2017-03-20 | 2019-04-09 | At&T Intellectual Property I, L.P. | Facilitating communication of radio resource quality to a mobile application |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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EP0434651A1 (en) * | 1989-12-22 | 1991-06-26 | Telefonaktiebolaget L M Ericsson | A method of effecting channel estimation for a fading channel when transmitting symbol sequences |
EP0496677A2 (en) * | 1991-01-23 | 1992-07-29 | Fujitsu Limited | Adaptive equalizers |
EP0593186A1 (en) * | 1992-10-12 | 1994-04-20 | Nokia Mobile Phones Ltd. | Channel equaliser for a telecommunication system |
Family Cites Families (15)
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US5428815A (en) * | 1991-04-30 | 1995-06-27 | Motorola,Inc. | Communication system with geographic reuse dynamically sensitive to communication unit type |
US5285480A (en) * | 1991-09-03 | 1994-02-08 | General Electric Company | Adaptive MLSE-VA receiver for digital cellular radio |
US5732359A (en) * | 1994-05-13 | 1998-03-24 | Westinghouse Electric Corporation | Mobile terminal apparatus and method having network inter-operability |
JP2586333B2 (en) * | 1994-05-13 | 1997-02-26 | 日本電気株式会社 | Wireless communication device |
US6028901A (en) * | 1994-05-19 | 2000-02-22 | Hughes Electronics Corporation | Receiver selection based on delay spread estimation |
US5649286A (en) * | 1994-11-14 | 1997-07-15 | Bellsouth Corporation | Method for managing the registration of a wireless unit |
US5729558A (en) * | 1995-03-08 | 1998-03-17 | Lucent Technologies Inc. | Method of compensating for Doppler error in a wireless communications system, such as for GSM and IS54 |
US5640689A (en) * | 1995-03-31 | 1997-06-17 | Compaq Computer Corp. | Communications apparatus with antenna switching based on antenna rotation |
US5732360A (en) * | 1995-09-08 | 1998-03-24 | At & T Wireless Services And Atmel Corp | Mobile telecommunication device and method used for changing wireless communication between base stations of different kinds |
JPH0984095A (en) * | 1995-09-08 | 1997-03-28 | Sony Corp | Mobile communication equipment, stationary communication equipment, communication system and communication method |
US5761623A (en) * | 1995-10-13 | 1998-06-02 | Telefonaktiebologet Lm Ericsson (Publ) | Cellular telecommunications network having seamless interoperability between exchanges while supporting operation in multiple frequency hyperbands |
US5903596A (en) * | 1996-05-16 | 1999-05-11 | Nakano; Takayuki | Spread spectrum demodulation unit |
JPH1066156A (en) * | 1996-08-23 | 1998-03-06 | Matsushita Electric Ind Co Ltd | Mode corresponding type telephone set |
JP3135586B2 (en) | 1996-11-22 | 2001-02-19 | 三菱電機株式会社 | Transmission line estimation circuit and modulation / demodulation device using the same |
EP0852448A1 (en) * | 1997-01-02 | 1998-07-08 | Nokia Mobile Phones Ltd. | User terminal for mobile communications |
-
1997
- 1997-08-08 US US08/908,088 patent/US6151484A/en not_active Expired - Lifetime
-
1998
- 1998-08-07 WO PCT/US1998/016503 patent/WO1999008460A2/en active IP Right Grant
- 1998-08-07 EP EP98942016A patent/EP1002380B1/en not_active Expired - Lifetime
- 1998-08-07 DE DE69815689T patent/DE69815689T2/en not_active Expired - Lifetime
- 1998-08-07 AU AU90159/98A patent/AU9015998A/en not_active Abandoned
-
2000
- 2000-07-25 US US09/625,240 patent/US6389295B1/en not_active Expired - Lifetime
Patent Citations (3)
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---|---|---|---|---|
EP0434651A1 (en) * | 1989-12-22 | 1991-06-26 | Telefonaktiebolaget L M Ericsson | A method of effecting channel estimation for a fading channel when transmitting symbol sequences |
EP0496677A2 (en) * | 1991-01-23 | 1992-07-29 | Fujitsu Limited | Adaptive equalizers |
EP0593186A1 (en) * | 1992-10-12 | 1994-04-20 | Nokia Mobile Phones Ltd. | Channel equaliser for a telecommunication system |
Non-Patent Citations (1)
Title |
---|
LI H ET AL: "AN ADAPTIVE FILTERING TECHNIQUE FOR PILOT AIDED TRANSMISSION SYSTEMS" VEHICULAR TECHNOLOGY CONFERENCE, ORLANDO, MAY 6 - 9, 1990, no. CONF. 40, 6 May 1990, pages 507-512, XP000204166 INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS * |
Cited By (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU749145B2 (en) * | 1998-05-15 | 2002-06-20 | Ericsson Inc. | Method for improving signal reception in a mobile communication unit by using pilot symbols |
WO1999060721A1 (en) * | 1998-05-15 | 1999-11-25 | Ericsson Inc. | Method for improving signal reception in a mobile communication unit by using pilot symbols |
US7429574B2 (en) | 1998-06-02 | 2008-09-30 | Osi Pharmaceuticals, Inc. | 4-heterocyclo-pyrrolo[2,3d] pyrimidine compositions and their use |
US6686366B1 (en) | 1998-06-02 | 2004-02-03 | Osi Pharmaceuticals, Inc. | Compounds specific to adenosine A3 receptor and uses thereof |
US6800633B2 (en) | 1998-06-02 | 2004-10-05 | Osi Pharmaceuticals, Inc. | Pyrrolo[2,3d]pyrimidine compositions and their use |
US6878716B1 (en) | 1998-06-02 | 2005-04-12 | Osi Pharmaceuticals, Inc. | Compounds specific to adenosine A1 receptor and uses thereof |
KR100425611B1 (en) * | 1999-09-29 | 2004-04-01 | 마츠시타 덴끼 산교 가부시키가이샤 | Communication terminal and radio communication method |
US7160890B2 (en) | 1999-12-02 | 2007-01-09 | Osi Pharmaceuticals, Inc. | Compounds specific to adenosine A3 receptor and uses thereof |
WO2002021711A1 (en) * | 2000-09-06 | 2002-03-14 | Linkair Communications, Inc. | A method of channel estimation and the receive system for implementing said method |
US6973144B1 (en) | 2000-09-12 | 2005-12-06 | Lucent Technologies Inc. | Apparatus and method for channel estimation used for link adaption with error feedback |
EP1187409A1 (en) * | 2000-09-12 | 2002-03-13 | Lucent Technologies Inc. | Filtering for channel estimation |
US7598252B2 (en) | 2000-12-01 | 2009-10-06 | Osi Pharmaceuticals, Inc. | Compounds specific to adenosine A, receptors and uses thereof |
US7504407B2 (en) | 2001-11-30 | 2009-03-17 | Osi Pharmaceuticals, Inc. | Compounds specific to adenosine A1 and A3 receptors and uses thereof |
US7501407B2 (en) | 2001-12-20 | 2009-03-10 | Osi Pharmaceuticals, Inc. | Pyrimidine A2B selective antagonist compounds, their synthesis and use |
US7684523B2 (en) | 2005-09-28 | 2010-03-23 | Lg Electronics Inc. | Method and apparatus for channel estimation |
WO2007037637A2 (en) * | 2005-09-28 | 2007-04-05 | Lg Electronics Inc. | A method and apparatus for channel estimation |
WO2007037637A3 (en) * | 2005-09-28 | 2008-08-14 | Lg Electronics Inc | A method and apparatus for channel estimation |
US8126451B2 (en) | 2007-10-31 | 2012-02-28 | Icera, Inc. | Synchronous CDMA communication system |
US8577304B2 (en) | 2007-10-31 | 2013-11-05 | Icera, Inc. | Synchronous CDMA communication system |
EP2101465A3 (en) * | 2008-03-14 | 2014-04-09 | Sony Corporation | Multicarrier reception |
GB2489636B (en) * | 2010-01-29 | 2018-01-24 | Nvidia Tech Uk Limited | A cellular communications system |
WO2011092257A1 (en) * | 2010-01-29 | 2011-08-04 | Icera Inc | A cellular communications system |
GB2489636A (en) * | 2010-01-29 | 2012-10-03 | Icera Llc | A cellular communications system |
US9184785B2 (en) | 2010-01-29 | 2015-11-10 | Icera Inc. | Cellular communications system |
Also Published As
Publication number | Publication date |
---|---|
DE69815689D1 (en) | 2003-07-24 |
WO1999008460A3 (en) | 1999-06-03 |
AU9015998A (en) | 1999-03-01 |
EP1002380A2 (en) | 2000-05-24 |
EP1002380B1 (en) | 2003-06-18 |
DE69815689T2 (en) | 2004-04-22 |
US6389295B1 (en) | 2002-05-14 |
US6151484A (en) | 2000-11-21 |
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