BR0109610A - Processo para pesquisa inicial de célula em um sistema de comunicação móvel cdma - Google Patents
Processo para pesquisa inicial de célula em um sistema de comunicação móvel cdmaInfo
- Publication number
- BR0109610A BR0109610A BR0109610A BR0109610A BR0109610A BR 0109610 A BR0109610 A BR 0109610A BR 0109610 A BR0109610 A BR 0109610A BR 0109610 A BR0109610 A BR 0109610A BR 0109610 A BR0109610 A BR 0109610A
- Authority
- BR
- Brazil
- Prior art keywords
- base station
- carrier offset
- communication system
- mobile communication
- initial cell
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 6
- 238000010295 mobile communication Methods 0.000 title abstract 3
- 230000001413 cellular effect Effects 0.000 abstract 1
- 238000001514 detection method Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/32—TPC of broadcast or control channels
-
- 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
- H04B1/70758—Multimode search, i.e. using multiple search strategies
-
- 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
-
- 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
- H04B1/7083—Cell search, e.g. using a three-step approach
-
- 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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/38—TPC being performed in particular situations
- H04W52/50—TPC being performed in particular situations at the moment of starting communication in a multiple access environment
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Radio Relay Systems (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN00103548A CN1131653C (zh) | 2000-03-27 | 2000-03-27 | 一种码分多址数字移动通信***的小区初始搜索方法 |
PCT/CN2001/000018 WO2001074103A1 (fr) | 2000-03-27 | 2001-01-12 | Procede de recherche initiale cellulaire dans un systeme de communication mobile numerique a acces multiple par repartition de code (amrc) |
Publications (2)
Publication Number | Publication Date |
---|---|
BR0109610A true BR0109610A (pt) | 2003-06-17 |
BRPI0109610B1 BRPI0109610B1 (pt) | 2015-08-18 |
Family
ID=4577070
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0109610-9A BRPI0109610B1 (pt) | 2000-03-27 | 2001-01-12 | Processo para pesquisa inicial de célula em um sistema de comunicação móvel cdma |
Country Status (13)
Country | Link |
---|---|
US (1) | US6778588B2 (pt) |
EP (1) | EP1330136B1 (pt) |
JP (1) | JP4530603B2 (pt) |
KR (1) | KR100564826B1 (pt) |
CN (1) | CN1131653C (pt) |
AT (1) | ATE548807T1 (pt) |
AU (2) | AU2001225004B2 (pt) |
BR (1) | BRPI0109610B1 (pt) |
CA (1) | CA2403929C (pt) |
MX (1) | MXPA02009561A (pt) |
RU (1) | RU2274954C2 (pt) |
TW (1) | TW508967B (pt) |
WO (1) | WO2001074103A1 (pt) |
Families Citing this family (44)
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---|---|---|---|---|
JP3851525B2 (ja) * | 2001-08-09 | 2006-11-29 | 株式会社エヌ・ティ・ティ・ドコモ | 移動局装置、移動通信システムおよびキャリア検出方法 |
KR100524730B1 (ko) * | 2002-11-02 | 2005-10-31 | 엘지전자 주식회사 | 이동 통신 시스템의 초기 동기 검색 방법 |
CN1224280C (zh) * | 2002-12-27 | 2005-10-19 | 大唐移动通信设备有限公司 | 用于分时隙移动通信***的时变信道校准方法 |
CN1512794A (zh) * | 2002-12-30 | 2004-07-14 | �ʼҷ����ֵ��ӹɷ�����˾ | 一种tdd-cdma***中用于移动终端的小区搜索方法及装置 |
WO2004066532A1 (fr) * | 2003-01-23 | 2004-08-05 | Linkair Communications,Inc. | Procede et dispositif de mise en oeuvre pour sous-systeme de synchronisation de liaison descendante |
US7633927B2 (en) | 2003-01-31 | 2009-12-15 | Nokia Corporation | System and method for extending neighboring cell search window |
CN1259785C (zh) * | 2003-08-04 | 2006-06-14 | 大唐移动通信设备有限公司 | 获取时分同步cdma(td-scdma)用户终端的载波频偏的方法 |
CN1263322C (zh) * | 2003-08-06 | 2006-07-05 | 大唐移动通信设备有限公司 | Td-scdma移动通信***小区初始搜索中的增益控制方法 |
KR100565313B1 (ko) * | 2003-11-26 | 2006-03-30 | 엘지전자 주식회사 | 시분할다중접속 방식과 코드분할다중접속 방식이 혼합된이동통신 시스템의 도메인 전력 측정방법 |
CN1303839C (zh) * | 2003-12-19 | 2007-03-07 | 北京天碁科技有限公司 | 一种降低小区初搜运算量并提高运算精度的方法及装置 |
CN100337508C (zh) * | 2004-01-12 | 2007-09-12 | 大唐移动通信设备有限公司 | 移动通信***中搜索下行同步信号位置的方法 |
CN1298114C (zh) * | 2004-05-14 | 2007-01-31 | 中兴通讯股份有限公司 | 一种td-scdma***确定上行同步时间提前量的方法 |
CN100403657C (zh) * | 2004-05-25 | 2008-07-16 | 大唐移动通信设备有限公司 | 基于训练序列的td-scdma***频偏补偿方法及装置 |
CN100356704C (zh) * | 2004-06-02 | 2007-12-19 | 大唐移动通信设备有限公司 | 无线移动通信***中对频偏进行补偿的方法 |
CN100369386C (zh) * | 2004-06-29 | 2008-02-13 | 大唐移动通信设备有限公司 | 一种结合频偏补偿的联合检测方法和装置 |
CN100362892C (zh) * | 2004-07-01 | 2008-01-16 | 凯明信息科技股份有限公司 | 时分同步码分多址***中的初始小区搜索方法和装置 |
BRPI0510565A (pt) | 2004-08-05 | 2007-11-20 | Lg Electronics Inc | interrupção do uso de esquema de convergência de camadas de freqüência |
US7684378B2 (en) * | 2004-11-08 | 2010-03-23 | Interdigital Technology Corporation | Method and apparatus for estimating channelization codes in a wireless transmit/receive unit |
CN1780174B (zh) * | 2004-11-19 | 2011-05-25 | 上海宣普实业有限公司 | 时分双工***中小区搜索第一和第二步骤的并行迭代方法 |
CN1780175B (zh) * | 2004-11-19 | 2010-09-29 | 上海宣普实业有限公司 | 时分双工***中小区搜索第一和第二步骤的并行迭代方法 |
US7917140B2 (en) | 2004-12-06 | 2011-03-29 | Telefonaktiebolaget L M Ericsson (Publ) | Initial cell search in mobile communications systems |
WO2006067657A1 (en) * | 2004-12-24 | 2006-06-29 | Koninklijke Philips Electronics N.V. | Method and apparatus for cell search in wireless communication system |
CN1797990B (zh) * | 2004-12-27 | 2010-12-08 | 上海宣普实业有限公司 | 时分同步码分多址***中的频点扫描方法 |
WO2006121302A1 (en) | 2005-05-13 | 2006-11-16 | Samsung Electronics Co., Ltd. | Method and apparatus for indexing physical channels in an ofdma system |
CN100409588C (zh) * | 2005-06-03 | 2008-08-06 | 上海原动力通信科技有限公司 | 时隙码分多址***多小区联合检测方法 |
CN1905406B (zh) * | 2005-07-28 | 2011-04-20 | 上海原动力通信科技有限公司 | 宽带时分双工蜂窝***的同步方法 |
CN1988415B (zh) * | 2005-12-21 | 2010-04-14 | 大唐移动通信设备有限公司 | 在cdma通信***中判断下行导频信号发送方式的方法 |
CN1996791B (zh) * | 2006-01-06 | 2015-09-09 | 上海原动力通信科技有限公司 | 一种宽带时分双工蜂窝***下行同步方法 |
CN101009513B (zh) * | 2006-01-26 | 2013-02-13 | 上海原动力通信科技有限公司 | 宽带时分双工蜂窝***的小区同步方法及小区初搜方法 |
KR101208541B1 (ko) | 2006-11-01 | 2012-12-05 | 엘지전자 주식회사 | 동기 신호 위치 검출 방법 및 이를 이용한 셀 탐색 방법 |
CN101072438B (zh) * | 2007-06-15 | 2010-09-29 | 中兴通讯股份有限公司 | 一种td-scdma***移动终端进行初始小区搜索的方法 |
JP2009089203A (ja) * | 2007-10-02 | 2009-04-23 | Panasonic Corp | 無線装置および無線通信システム |
CN101222280B (zh) * | 2007-11-30 | 2012-02-29 | 深圳国人通信有限公司 | 单时隙功率检测的方法和装置 |
JP2009141832A (ja) * | 2007-12-10 | 2009-06-25 | Mitsubishi Electric Corp | 通信システム、受信端末機および無線基地局 |
CN101958746B (zh) * | 2010-04-02 | 2014-03-12 | 展讯通信(上海)有限公司 | 无线终端的粗同步方法 |
CN102821442B (zh) * | 2011-06-10 | 2014-10-22 | 联芯科技有限公司 | 一种频点扫描方法和装置 |
CN103298101B (zh) * | 2013-06-19 | 2016-02-17 | 中国人民解放军空军工程大学 | 一种宽范围的码辅助载波同步实现方法 |
CN104253680B (zh) | 2013-06-27 | 2018-07-31 | 华为技术有限公司 | 一种fbmc***中同步信号的发送方法和装置 |
KR102421473B1 (ko) * | 2015-10-01 | 2022-07-18 | 삼성전자주식회사 | Td-scdma 시스템에서 캐리어 서치를 수행하는 통신 디바이스 및 그 제어 방법 |
CN105933052B (zh) * | 2016-05-20 | 2019-09-06 | 中国电子科技集团公司第十研究所 | 时域交叉极化干扰对消方法 |
CN105897304B (zh) * | 2016-05-31 | 2018-02-06 | 西安空间无线电技术研究所 | 一种跳频通信***的快速同步方法 |
WO2018163440A1 (en) | 2017-03-10 | 2018-09-13 | Nec Corporation | Position estimation apparatus |
WO2019182486A1 (en) * | 2018-03-20 | 2019-09-26 | Telefonaktiebolaget Lm Ericsson (Publ) | A wireless device, a network node and methods therein for enabling and determining reference signal configurations in a wireless communications network |
CN114584438B (zh) * | 2022-01-05 | 2023-08-15 | 华信咨询设计研究院有限公司 | 一种基于基准载波频偏的5g cfo估计方法 |
Family Cites Families (13)
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US6128470A (en) * | 1996-07-18 | 2000-10-03 | Ericsson Inc. | System and method for reducing cumulative noise in a distributed antenna network |
US5805983A (en) * | 1996-07-18 | 1998-09-08 | Ericsson Inc. | System and method for equalizing the delay time for transmission paths in a distributed antenna network |
JP2937897B2 (ja) * | 1996-09-30 | 1999-08-23 | 株式会社ワイ・アール・ピー移動通信基盤技術研究所 | チャネル割当て方法および該方法を使用する通信網 |
JP3376224B2 (ja) * | 1996-10-23 | 2003-02-10 | 株式会社エヌ・ティ・ティ・ドコモ | Ds−cdma基地局間非同期セルラ方式における初期同期方法および受信機 |
JP3373746B2 (ja) * | 1997-01-07 | 2003-02-04 | 株式会社鷹山 | Ds−cdma基地局間非同期セルラ方式における初期同期方法および受信機 |
IL132839A0 (en) * | 1997-06-17 | 2001-03-19 | Siemens Ag | Time synchronisation method for a mobile station in a mobile communications system |
CN1061205C (zh) * | 1997-07-24 | 2001-01-24 | 北京信威通信技术有限公司 | 扩频通信***中载波恢复和补偿的方法及其装置 |
JPH11112472A (ja) * | 1997-08-04 | 1999-04-23 | Toshiba Corp | スぺクトラム拡散通信装置 |
JP3897427B2 (ja) * | 1997-12-01 | 2007-03-22 | 松下電器産業株式会社 | 基地局装置、移動局装置、移動体通信システム、無線送信方法及び無線受信方法 |
JP3793632B2 (ja) * | 1997-12-18 | 2006-07-05 | 松下電器産業株式会社 | セルサーチ方法及び移動局装置 |
US6490454B1 (en) * | 1998-08-07 | 2002-12-03 | Telefonaktiebolaget Lm Ericsson (Publ) | Downlink observed time difference measurements |
EP1391094A1 (en) * | 2001-05-31 | 2004-02-25 | Nortel Networks Limited | Apparatus and method for measuring sub-carrier frequencies and sub-carrier frequency offsets |
CN100512066C (zh) * | 2001-11-29 | 2009-07-08 | 美商内数位科技公司 | 于小区搜寻中使用主要及次要同步码的***及方法 |
-
2000
- 2000-03-27 CN CN00103548A patent/CN1131653C/zh not_active Expired - Lifetime
-
2001
- 2001-01-12 JP JP2001571693A patent/JP4530603B2/ja not_active Expired - Lifetime
- 2001-01-12 KR KR1020027012743A patent/KR100564826B1/ko active IP Right Grant
- 2001-01-12 BR BRPI0109610-9A patent/BRPI0109610B1/pt not_active IP Right Cessation
- 2001-01-12 AT AT01900378T patent/ATE548807T1/de active
- 2001-01-12 EP EP01900378A patent/EP1330136B1/en not_active Expired - Lifetime
- 2001-01-12 MX MXPA02009561A patent/MXPA02009561A/es active IP Right Grant
- 2001-01-12 AU AU2001225004A patent/AU2001225004B2/en not_active Expired
- 2001-01-12 CA CA 2403929 patent/CA2403929C/en not_active Expired - Lifetime
- 2001-01-12 RU RU2002128747A patent/RU2274954C2/ru active
- 2001-01-12 AU AU2500401A patent/AU2500401A/xx active Pending
- 2001-01-12 WO PCT/CN2001/000018 patent/WO2001074103A1/zh active IP Right Grant
- 2001-08-24 TW TW90121115A patent/TW508967B/zh not_active IP Right Cessation
-
2002
- 2002-09-25 US US10/255,334 patent/US6778588B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ATE548807T1 (de) | 2012-03-15 |
EP1330136A4 (en) | 2009-11-04 |
AU2500401A (en) | 2001-10-08 |
KR20020092401A (ko) | 2002-12-11 |
MXPA02009561A (es) | 2004-07-30 |
EP1330136B1 (en) | 2012-03-07 |
BRPI0109610B1 (pt) | 2015-08-18 |
CN1315808A (zh) | 2001-10-03 |
EP1330136A1 (en) | 2003-07-23 |
WO2001074103A8 (fr) | 2003-05-15 |
KR100564826B1 (ko) | 2006-03-30 |
JP2003529302A (ja) | 2003-09-30 |
AU2001225004B2 (en) | 2005-03-17 |
CA2403929C (en) | 2008-09-23 |
US20030031238A1 (en) | 2003-02-13 |
US6778588B2 (en) | 2004-08-17 |
TW508967B (en) | 2002-11-01 |
RU2002128747A (ru) | 2004-03-10 |
JP4530603B2 (ja) | 2010-08-25 |
CN1131653C (zh) | 2003-12-17 |
WO2001074103A1 (fr) | 2001-10-04 |
CA2403929A1 (en) | 2002-09-24 |
RU2274954C2 (ru) | 2006-04-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B15K | Others concerning applications: alteration of classification |
Free format text: A CLASSIFICACAO ANTERIOR ERA: H04Q 7/36 Ipc: H04W 24/02 (2009.01), H04W 52/32 (2009.01), H04W 5 |
|
B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 18/08/2015, OBSERVADAS AS CONDICOES LEGAIS. |
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B25G | Requested change of headquarter approved | ||
B25A | Requested transfer of rights approved | ||
B21F | Lapse acc. art. 78, item iv - on non-payment of the annual fees in time |
Free format text: REFERENTE A 22A ANUIDADE. |
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B24J | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12) |
Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2705 DE 08-11-2022 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |