IL161861A0 - Communications in an asynchronous wireless network - Google Patents
Communications in an asynchronous wireless networkInfo
- Publication number
- IL161861A0 IL161861A0 IL16186102A IL16186102A IL161861A0 IL 161861 A0 IL161861 A0 IL 161861A0 IL 16186102 A IL16186102 A IL 16186102A IL 16186102 A IL16186102 A IL 16186102A IL 161861 A0 IL161861 A0 IL 161861A0
- Authority
- IL
- Israel
- Prior art keywords
- communications
- wireless network
- asynchronous wireless
- asynchronous
- network
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
- H04W56/0015—Synchronization between nodes one node acting as a reference for the others
-
- 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
- H04B1/7097—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
-
- 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]
- H04B7/2631—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] for broadband transmission
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Electric Clocks (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US33747201P | 2001-11-09 | 2001-11-09 | |
US10/177,270 US6847630B2 (en) | 2001-11-09 | 2002-06-21 | Communications in an asynchronous cellular wireless network |
PCT/US2002/035879 WO2003043229A1 (en) | 2001-11-09 | 2002-11-08 | Communications in an asynchronous wireless network |
Publications (1)
Publication Number | Publication Date |
---|---|
IL161861A0 true IL161861A0 (en) | 2005-11-20 |
Family
ID=26873104
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL16186102A IL161861A0 (en) | 2001-11-09 | 2002-11-08 | Communications in an asynchronous wireless network |
Country Status (14)
Country | Link |
---|---|
US (3) | US6847630B2 (xx) |
EP (3) | EP2485545B1 (xx) |
JP (1) | JP4624671B2 (xx) |
KR (2) | KR101096892B1 (xx) |
CN (2) | CN100413228C (xx) |
AR (1) | AR037298A1 (xx) |
BR (1) | BR0213985A (xx) |
CA (1) | CA2466352A1 (xx) |
IL (1) | IL161861A0 (xx) |
MX (1) | MXPA04004338A (xx) |
NO (1) | NO20042347L (xx) |
RU (1) | RU2004117529A (xx) |
TW (1) | TWI277306B (xx) |
WO (1) | WO2003043229A1 (xx) |
Families Citing this family (49)
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US6847630B2 (en) * | 2001-11-09 | 2005-01-25 | Qualcomm, Incorporated | Communications in an asynchronous cellular wireless network |
CN1192531C (zh) * | 2001-12-21 | 2005-03-09 | 华为技术有限公司 | 一种宽带码分多址系统同步的实现方法 |
US20030128787A1 (en) * | 2002-01-10 | 2003-07-10 | Daisuke Terasawa | Method and apparatus for mitigating interference between base stations in a wideband CDMA system |
US8094591B1 (en) * | 2002-03-19 | 2012-01-10 | Good Technology, Inc. | Data carrier detector for a packet-switched communication network |
CN1643968B (zh) * | 2002-03-27 | 2010-09-01 | 艾利森电话股份有限公司 | 用于建立上行链路发送帧时序的方法和装置 |
US7313127B2 (en) * | 2002-04-19 | 2007-12-25 | General Electric Company | Method and apparatus for synchronizing a radio telemetry system by way of transmitted-reference, delay-hopped ultra-wideband pilot signal |
KR100827140B1 (ko) * | 2002-05-03 | 2008-05-02 | 삼성전자주식회사 | 이동 통신 단말기에서 송/수신 기준 타이밍 생성 장치 및방법 |
US7167507B2 (en) * | 2002-07-01 | 2007-01-23 | Lucent Technologies Inc. | Equalizer and method for performing equalization in a wireless communications system |
US20040081117A1 (en) * | 2002-10-29 | 2004-04-29 | Malek Charles John | Method for a synchronized hand off from a cellular network to a wireless network and apparatus thereof |
JP4763599B2 (ja) * | 2003-06-13 | 2011-08-31 | シーメンス アクチエンゲゼルシヤフト | 移動無線通信システム用の電力制御装置 |
US7450549B2 (en) * | 2003-08-05 | 2008-11-11 | Via Telecom Co., Ltd. | Pilot signal enhancements for a wireless communication system |
FR2866507B1 (fr) * | 2004-02-16 | 2006-05-05 | Wavecom | Signal de radiotelephonie cellulaire permettant une synchronisation au niveau sous-trame d'un canal supplementaire a l'aide d'un canal principal, procede, mobile et station de base correspondants. |
EP1566901A1 (de) * | 2004-02-18 | 2005-08-24 | Siemens Aktiengesellschaft | Verfahren zur Synchronisation eines in Funkzellen aufgeteilten Funkkommunikationssystems |
FR2868656B1 (fr) * | 2004-04-06 | 2006-06-02 | Wavecom Sa | Signal de radiotelephonie cellulaire permettant une synchronisation au niveau d'une entite d'un canal supplementaire par numerotation des symboles, procede, terminal et station de base correspondants |
US7733831B2 (en) * | 2004-08-23 | 2010-06-08 | Alcatel-Lucent Usa Inc. | Detecting a wireless network air interface |
US8442094B2 (en) * | 2005-01-14 | 2013-05-14 | Thomson Licensing | Cell search using rake searcher to perform scrambling code determination |
US8059776B2 (en) | 2005-01-14 | 2011-11-15 | Thomson Licensing | Method and system for sub-chip resolution for secondary cell search |
US7272126B2 (en) * | 2005-04-07 | 2007-09-18 | Pctel, Inc. | Method and apparatus for beacon discovery in a spread spectrum cellular radio communication system |
US7965687B2 (en) * | 2005-12-15 | 2011-06-21 | Sasken Communications Technologies | Method and system for multiple-input-multiple-output (MIMO) communication in a wireless network |
KR100735497B1 (ko) * | 2006-04-10 | 2007-07-04 | 삼성전기주식회사 | 타이밍 동기가 향상된 패킷기반 무선통신 시스템 및 그방법 |
US8031745B2 (en) * | 2006-04-20 | 2011-10-04 | Texas Instruments Incorporated | Downlink synchronization channel and methods for cellular systems |
KR101055895B1 (ko) * | 2006-04-20 | 2011-08-09 | 텍사스 인스트루먼츠 인코포레이티드 | 기지국 송신기, 사용자 장비 수신기, 기지국 송신기 동작 방법, 사용자 장비 수신기 동작 방법 및 셀룰러 통신 네트워크 동작 방법 |
CN101405986B (zh) * | 2006-07-25 | 2012-05-23 | 韩国电子通信研究院 | 小区搜索方法、前向链路帧传送方法、利用其的设备和前向链路帧结构 |
EP2057811B1 (en) * | 2006-08-28 | 2020-04-22 | SK Telecom Co., Ltd. | Apparatus for generating down link signal, and method and apparatus for cell search in cellular system |
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 |
JP4936027B2 (ja) * | 2007-04-05 | 2012-05-23 | 日本電気株式会社 | 時間リファレンス識別方法 |
US8050225B2 (en) * | 2007-05-21 | 2011-11-01 | Qualcomm Incorporated | Assignment of primary and secondary synchronization code sequences to cells in a wireless communication system |
US8971305B2 (en) * | 2007-06-05 | 2015-03-03 | Qualcomm Incorporated | Pseudo-random sequence mapping in wireless communications |
KR100938756B1 (ko) * | 2007-07-06 | 2010-01-26 | 엘지전자 주식회사 | 무선통신 시스템에서 셀 탐색 과정을 수행하는 방법 |
CN101111049B (zh) * | 2007-08-14 | 2010-07-28 | 华为技术有限公司 | 实现一个小区覆盖多区域的系统、方法和网络设备 |
US7912083B2 (en) * | 2007-10-01 | 2011-03-22 | Freescale Semiconductor, Inc. | Techniques for reducing a cell identification falsing rate in a wireless communication system |
US8472374B2 (en) * | 2007-11-07 | 2013-06-25 | Telefonaktiebolaget L M Ericsson (Publ) | Distinguishing between synchronized and asynchronous mobile communications networks |
US9204349B2 (en) * | 2009-02-10 | 2015-12-01 | Qualcomm Incorporated | Method and apparatus for facilitating a hand-in of user equipment to femto cells |
US9204410B2 (en) * | 2009-10-08 | 2015-12-01 | Qualcomm Incorporated | Method and apparatus for repeating uplink synchronization in time division synchronous code division multiple access (TD-SCDMA) networks |
US9401784B2 (en) | 2009-10-21 | 2016-07-26 | Qualcomm Incorporated | Time and frequency acquisition and tracking for OFDMA wireless systems |
US9392562B2 (en) | 2009-11-17 | 2016-07-12 | Qualcomm Incorporated | Idle access terminal-assisted time and/or frequency tracking |
US9642105B2 (en) | 2009-11-17 | 2017-05-02 | Qualcomm Incorporated | Access terminal-assisted time and/or frequency tracking |
US10111111B2 (en) | 2009-11-19 | 2018-10-23 | Qualcomm Incorporated | Per-cell timing and/or frequency acquisition and their use on channel estimation in wireless networks |
US9271248B2 (en) | 2010-03-02 | 2016-02-23 | Qualcomm Incorporated | System and method for timing and frequency synchronization by a Femto access point |
US9178640B2 (en) * | 2010-08-20 | 2015-11-03 | Qualcomm Incorporated | Determination of network synchronization |
US9756553B2 (en) | 2010-09-16 | 2017-09-05 | Qualcomm Incorporated | System and method for assisted network acquisition and search updates |
US8391334B1 (en) * | 2010-09-27 | 2013-03-05 | L-3 Communications Corp | Communications reliability in a hub-spoke communications system |
US9155057B2 (en) | 2012-05-01 | 2015-10-06 | Qualcomm Incorporated | Femtocell synchronization enhancements using access probes from cooperating mobiles |
US9237530B2 (en) | 2012-11-09 | 2016-01-12 | Qualcomm Incorporated | Network listen with self interference cancellation |
US9642106B2 (en) * | 2013-03-21 | 2017-05-02 | Spidercloud Wireless, Inc. | Dynamic primary scrambling code disambiguation |
CN106105103B (zh) * | 2014-03-05 | 2020-09-18 | 华为技术有限公司 | 时钟同步方法、设备及通信系统 |
CN110089062B (zh) * | 2016-12-19 | 2022-06-07 | 瑞典爱立信有限公司 | 基于Golay序列的参考信号构造 |
US11183991B2 (en) * | 2018-04-18 | 2021-11-23 | Parker Wilde Stroh | Dynamic connection node based computing |
CN111585679B (zh) * | 2019-02-15 | 2021-08-03 | 大唐移动通信设备有限公司 | 一种同步网络中时间自同步的方法及设备 |
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SE457184B (sv) | 1987-04-03 | 1988-12-05 | Ericsson Telefon Ab L M | Foerfarande och utrustning foer synkronisering och oeverfoering av information i ett radiokommunikationsnaet |
US5267261A (en) * | 1992-03-05 | 1993-11-30 | Qualcomm Incorporated | Mobile station assisted soft handoff in a CDMA cellular communications system |
FR2695776B1 (fr) * | 1992-09-15 | 1994-10-14 | Alcatel Radiotelephone | Procédé de transmission d'une information d'avance temporelle à un mobile évoluant dans des cellules d'un réseau GSM à BTS asynchrones. |
US6430216B1 (en) * | 1997-08-22 | 2002-08-06 | Data Fusion Corporation | Rake receiver for spread spectrum signal demodulation |
JP2993463B2 (ja) * | 1997-05-08 | 1999-12-20 | 日本電気株式会社 | 同期回路制御装置 |
KR100289843B1 (ko) * | 1998-02-05 | 2001-05-15 | 이계철 | 비동기식 셀룰러 코드분할다중접속시스템의 기지국 획득방법 |
US6526039B1 (en) * | 1998-02-12 | 2003-02-25 | Telefonaktiebolaget Lm Ericsson | Method and system for facilitating timing of base stations in an asynchronous CDMA mobile communications system |
US6266529B1 (en) * | 1998-05-13 | 2001-07-24 | Nortel Networks Limited | Method for CDMA handoff in the vicinity of highly sectorized cells |
US6504830B1 (en) * | 1998-06-15 | 2003-01-07 | Telefonaktiebolaget Lm Ericsson Publ | Method, apparatus, and system for fast base synchronization and sector identification |
US6298073B1 (en) * | 1998-06-26 | 2001-10-02 | Lefever Ronald Stanton | Method using elastic buffering for equalizing transmission delays in a non-earth-synchronous multiple satellite data transmission system |
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KR20010102418A (ko) * | 1999-02-26 | 2001-11-15 | 밀러 럿셀 비 | 비동기 cdma 기지국 및 동기 cdma 기지국 간의핸드오프 방법 및 시스템 |
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CN100344206C (zh) * | 1999-06-15 | 2007-10-17 | 株式会社Ntt都科摩 | 信息管理方法,小区搜索方法,移动通信系统,移动站,基站和控制站 |
DK1273111T3 (da) * | 2000-04-07 | 2006-07-10 | Interdigital Tech Corp | Basisstationssynkronisering til trådlöse kommunikationssystemer |
US6681099B1 (en) * | 2000-05-15 | 2004-01-20 | Nokia Networks Oy | Method to calculate true round trip propagation delay and user equipment location in WCDMA/UTRAN |
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AU2002210482A1 (en) * | 2000-09-15 | 2002-04-02 | Koninklijke Philips Electronics N.V. | Secondary station and method of operating the station |
US6697629B1 (en) * | 2000-10-11 | 2004-02-24 | Qualcomm, Incorporated | Method and apparatus for measuring timing of signals received from multiple base stations in a CDMA communication system |
KR100372884B1 (ko) * | 2000-12-19 | 2003-02-19 | 한국전자통신연구원 | 다중전송속도를 갖는 코드분할다중접속시스템의 감산형간섭제거장치 및 방법 |
US6657988B2 (en) * | 2001-01-12 | 2003-12-02 | Nokia Mobile Phones Ltd. | Method and apparatus for timing adjustment for uplink synchronous transmission in wide code division multiple access |
US7209463B2 (en) * | 2001-06-30 | 2007-04-24 | Samsung Electronics Co., Ltd. | Transmission time adjusting apparatus and method between RNC and UE in a CDMA communication system |
US6847630B2 (en) | 2001-11-09 | 2005-01-25 | Qualcomm, Incorporated | Communications in an asynchronous cellular wireless network |
CN1643968B (zh) * | 2002-03-27 | 2010-09-01 | 艾利森电话股份有限公司 | 用于建立上行链路发送帧时序的方法和装置 |
IL164481A0 (en) * | 2002-04-11 | 2005-12-18 | Qualcomm Inc | Radio interface synchronization |
US6822969B2 (en) * | 2003-04-03 | 2004-11-23 | Motorola, Inc. | Method and apparatus for scheduling asynchronous transmissions |
-
2002
- 2002-06-21 US US10/177,270 patent/US6847630B2/en not_active Expired - Lifetime
- 2002-11-08 IL IL16186102A patent/IL161861A0/xx unknown
- 2002-11-08 RU RU2004117529/09A patent/RU2004117529A/ru not_active Application Discontinuation
- 2002-11-08 EP EP12003251.1A patent/EP2485545B1/en not_active Expired - Lifetime
- 2002-11-08 CA CA002466352A patent/CA2466352A1/en not_active Abandoned
- 2002-11-08 CN CNB028269942A patent/CN100413228C/zh not_active Expired - Lifetime
- 2002-11-08 JP JP2003544939A patent/JP4624671B2/ja not_active Expired - Lifetime
- 2002-11-08 TW TW091132917A patent/TWI277306B/zh not_active IP Right Cessation
- 2002-11-08 EP EP02803189.6A patent/EP1451952B1/en not_active Expired - Lifetime
- 2002-11-08 WO PCT/US2002/035879 patent/WO2003043229A1/en active Application Filing
- 2002-11-08 EP EP11000748.1A patent/EP2312768B1/en not_active Expired - Lifetime
- 2002-11-08 CN CN200810131424.6A patent/CN101330322B/zh not_active Expired - Lifetime
- 2002-11-08 BR BR0213985-5A patent/BR0213985A/pt not_active IP Right Cessation
- 2002-11-08 KR KR1020107006242A patent/KR101096892B1/ko active IP Right Grant
- 2002-11-08 KR KR1020047007050A patent/KR100974977B1/ko active IP Right Grant
- 2002-11-08 MX MXPA04004338A patent/MXPA04004338A/es unknown
- 2002-11-11 AR ARP020104317A patent/AR037298A1/es unknown
-
2004
- 2004-06-07 NO NO20042347A patent/NO20042347L/no not_active Application Discontinuation
- 2004-10-14 US US10/966,119 patent/US7352737B2/en not_active Expired - Lifetime
-
2007
- 2007-12-20 US US11/961,707 patent/US8711805B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
NO20042347L (no) | 2004-08-02 |
US20050053049A1 (en) | 2005-03-10 |
EP2312768A3 (en) | 2013-04-03 |
BR0213985A (pt) | 2004-12-14 |
WO2003043229A1 (en) | 2003-05-22 |
KR100974977B1 (ko) | 2010-08-09 |
US6847630B2 (en) | 2005-01-25 |
KR101096892B1 (ko) | 2011-12-22 |
CN1613208A (zh) | 2005-05-04 |
RU2004117529A (ru) | 2005-03-27 |
AR037298A1 (es) | 2004-11-03 |
EP2485545A2 (en) | 2012-08-08 |
EP1451952B1 (en) | 2014-04-16 |
EP2485545A3 (en) | 2013-04-03 |
US8711805B2 (en) | 2014-04-29 |
JP2005510123A (ja) | 2005-04-14 |
TWI277306B (en) | 2007-03-21 |
JP4624671B2 (ja) | 2011-02-02 |
CA2466352A1 (en) | 2003-05-22 |
CN101330322B (zh) | 2014-04-30 |
CN101330322A (zh) | 2008-12-24 |
EP1451952A1 (en) | 2004-09-01 |
US7352737B2 (en) | 2008-04-01 |
KR20100044913A (ko) | 2010-04-30 |
US20030091022A1 (en) | 2003-05-15 |
TW200300311A (en) | 2003-05-16 |
CN100413228C (zh) | 2008-08-20 |
MXPA04004338A (es) | 2004-08-12 |
US20100265920A1 (en) | 2010-10-21 |
EP2312768B1 (en) | 2017-05-17 |
EP2485545B1 (en) | 2019-06-26 |
KR20050056931A (ko) | 2005-06-16 |
EP2312768A2 (en) | 2011-04-20 |
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