SG93214A1 - Cdma mobile communication system with consideration of fading - Google Patents
Cdma mobile communication system with consideration of fadingInfo
- Publication number
- SG93214A1 SG93214A1 SG9903903A SG1999003903A SG93214A1 SG 93214 A1 SG93214 A1 SG 93214A1 SG 9903903 A SG9903903 A SG 9903903A SG 1999003903 A SG1999003903 A SG 1999003903A SG 93214 A1 SG93214 A1 SG 93214A1
- Authority
- SG
- Singapore
- Prior art keywords
- communication system
- mobile communication
- fading
- consideration
- mobile station
- Prior art date
Links
- 238000010295 mobile communication Methods 0.000 title abstract 2
- 238000005562 fading Methods 0.000 title 1
- 230000005540 biological transmission Effects 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 238000004891 communication 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
- H04W52/38—TPC being performed in particular situations
- H04W52/40—TPC being performed in particular situations during macro-diversity or soft handoff
-
- 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
- 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
- H04B7/022—Site diversity; Macro-diversity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/16—Performing reselection for specific purposes
- H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
-
- 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
- H04B2201/7097—Direct sequence modulation interference
- H04B2201/709709—Methods of preventing interference
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22814498A JP3204310B2 (ja) | 1998-08-12 | 1998-08-12 | Cdma移動通信システムおよびその下り送信電力制御方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
SG93214A1 true SG93214A1 (en) | 2002-12-17 |
Family
ID=16871923
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG9903903A SG93214A1 (en) | 1998-08-12 | 1999-08-12 | Cdma mobile communication system with consideration of fading |
Country Status (8)
Country | Link |
---|---|
US (2) | US6526028B1 (ja) |
EP (4) | EP0989690B1 (ja) |
JP (1) | JP3204310B2 (ja) |
KR (1) | KR100397100B1 (ja) |
CN (1) | CN1254031C (ja) |
BR (1) | BRPI9904570B1 (ja) |
DE (1) | DE69941503D1 (ja) |
SG (1) | SG93214A1 (ja) |
Families Citing this family (46)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6603988B2 (en) * | 2001-04-13 | 2003-08-05 | Kelsey, Inc. | Apparatus and method for delivering ablative laser energy and determining the volume of tumor mass destroyed |
JP3690717B2 (ja) * | 1999-07-14 | 2005-08-31 | 株式会社エヌ・ティ・ティ・ドコモ | セルサーチ制御方法、移動局および移動通信システム |
US6496531B1 (en) * | 1999-09-02 | 2002-12-17 | Lucent Technologies Inc. | Method and system for controlling forward transmit power in a wireless system |
KR100386562B1 (ko) * | 1999-11-01 | 2003-06-02 | 엘지전자 주식회사 | 순방향 공통 채널의 전력 제어 방법 |
US7206580B2 (en) * | 1999-11-04 | 2007-04-17 | Qualcomm Incorporated | Method and apparatus for performing handoff in a high speed communication system |
KR100401185B1 (ko) * | 1999-11-26 | 2003-10-10 | 삼성전자주식회사 | 이동통신시스템의 사이트 선택 다이버시티 방법 |
JP2001238252A (ja) * | 2000-02-25 | 2001-08-31 | Matsushita Electric Ind Co Ltd | 移動局装置、基地局装置および無線通信チャネル割り当て方法 |
KR100493068B1 (ko) * | 2000-03-08 | 2005-06-02 | 삼성전자주식회사 | 이동통신시스템에서 피드백 정보를 이용하는 반맹목적방식의 송신안테나어레이 장치 및 방법 |
JP4453168B2 (ja) | 2000-06-23 | 2010-04-21 | 日本電気株式会社 | 移動通信制御方法、セルラシステム、移動局、基地局及び基地局制御装置 |
US6996078B2 (en) * | 2000-07-27 | 2006-02-07 | Interdigital Technology Corporation | Adaptive uplink/downlink timeslot assignment in a hybrid wireless time division multiple access/code division multiple access communication system |
JP3829051B2 (ja) * | 2000-09-19 | 2006-10-04 | 株式会社日立コミュニケーションテクノロジー | ハンドオーバの制御方法、基地局制御装置および移動体端末 |
JP3522204B2 (ja) | 2000-09-20 | 2004-04-26 | 日本電気株式会社 | ハンドオーバ処理方法 |
JP2002176666A (ja) * | 2000-12-05 | 2002-06-21 | Sony Corp | 移動通信システム |
ATE403351T1 (de) * | 2001-04-05 | 2008-08-15 | Nokia Siemens Networks Oy | Bestimmung der zuweisungsperiode für paketdaten |
KR100737775B1 (ko) | 2001-07-24 | 2007-07-11 | 가부시키가이샤 엔티티 도코모 | 이동통신 시스템에 있어서의 송신전력 제어장치, 방법 및 이동국 |
US6591109B2 (en) | 2001-08-17 | 2003-07-08 | Interdigital Technology Corporation | Cross cell user equipment interference reduction in a time division duplex communication system using code division multiple access |
US6779147B2 (en) * | 2001-09-25 | 2004-08-17 | Qualcomm, Incorporated | Method and apparatus for efficient use of communication resources in a CDMA communication system |
WO2003037027A1 (fr) * | 2001-10-18 | 2003-05-01 | Fujitsu Limited | Systeme de communication mobile et procede de communication avec ledit systeme |
DE60225238T2 (de) * | 2002-01-15 | 2009-05-07 | Koninklijke Kpn N.V. | Verfahren und System zur Planung und/oder Einschätzung der Zellkapazität in CDMA Funknetzwerken |
JP3932906B2 (ja) * | 2002-01-23 | 2007-06-20 | 日本電気株式会社 | 基地局装置及びそれを用いた移動通信システム |
US8000284B2 (en) * | 2003-07-15 | 2011-08-16 | Qualcomm Incorporated | Cooperative autonomous and scheduled resource allocation for a distributed communication system |
US7933235B2 (en) * | 2003-07-15 | 2011-04-26 | Qualcomm Incorporated | Multiflow reverse link MAC for a communications system |
EP1648100A4 (en) * | 2003-07-18 | 2012-01-18 | Nec Corp | MOBILE COMMUNICATION SYSTEM WITH IMPROVED TRAILING OF EMISSION POWER CONTROL |
JP4517769B2 (ja) * | 2004-08-11 | 2010-08-04 | 日本電気株式会社 | 移動通信システム、移動通信端末及びそれらに用いるハンドオーバ制御方法並びにそのプログラム |
JP2006074322A (ja) * | 2004-09-01 | 2006-03-16 | Nec Corp | 基地局、移動局およびその送信電力制御方法 |
US7292856B2 (en) | 2004-12-22 | 2007-11-06 | Qualcomm Incorporated | Methods and apparatus for flexible forward-link and reverse-link handoffs |
US7602714B2 (en) * | 2004-12-30 | 2009-10-13 | Motorola, Inc. | Methods for managing data transmission between at least two different data regions |
JP4603392B2 (ja) * | 2005-03-10 | 2010-12-22 | 日本電気株式会社 | 通信端末、移動通信システムおよび基地局データ送信制御方法 |
US7796552B2 (en) * | 2005-05-05 | 2010-09-14 | Qualcomm Incorporated | Using assignment messages for efficient signaling of handoff |
US8254360B2 (en) | 2005-06-16 | 2012-08-28 | Qualcomm Incorporated | OFDMA control channel interlacing |
US7983674B2 (en) * | 2005-06-16 | 2011-07-19 | Qualcomm Incorporated | Serving base station selection in a wireless communication system |
EP1895683B1 (en) * | 2005-06-17 | 2018-07-18 | NEC Corporation | Communication control method, communication control system and control program thereof |
JP4189410B2 (ja) * | 2006-06-12 | 2008-12-03 | 株式会社東芝 | 無線通信装置及び送信制御方法 |
KR100761697B1 (ko) * | 2006-06-13 | 2007-09-28 | 삼성전자주식회사 | 이동통신 단말기에서 셀 재선택 결정방법 및 장치 |
US8092507B2 (en) * | 2007-02-05 | 2012-01-10 | Novian Health, Inc. | Interstitial energy treatment probe holders |
WO2008097902A2 (en) | 2007-02-05 | 2008-08-14 | Novian Health, Inc. | Interstitial laser therapy kits and interstitial laser therapy control system |
CN101981990B (zh) * | 2008-01-24 | 2015-09-23 | 发尔泰公司 | 用于无线接入网络的信道分配 |
US8625542B2 (en) | 2008-12-18 | 2014-01-07 | Cisco Technology, Inc. | Beamforming spatial de-multiplexing for collaborative spatially multiplexed wireless communication |
EP2249569A1 (en) * | 2009-05-08 | 2010-11-10 | Imec | Cross-layer optimization for transmission of video codec over wireless networks |
KR101472100B1 (ko) | 2010-12-22 | 2014-12-11 | 주식회사 케이티 | 무선통신 시스템에서 기지국 장비 및 데이터 처리 방법 |
KR101311512B1 (ko) | 2011-08-09 | 2013-09-25 | 주식회사 케이티 | 상향 링크 신호 처리 방법, 하향 링크 신호 처리 방법 및 이를 수행하는 무선 유닛 |
KR101289879B1 (ko) * | 2011-08-16 | 2013-07-24 | 주식회사 케이티 | 디지털 신호 처리 장치, 신호 처리 시스템 및 신호 처리 방법 |
KR101311523B1 (ko) | 2011-10-26 | 2013-09-25 | 주식회사 케이티 | 이종 망 간의 망 부하 분산 방법 |
KR101311524B1 (ko) | 2011-10-27 | 2013-09-25 | 주식회사 케이티 | 이종 망의 경계 주변에 위치하는 단말의 망 천이 방법 |
KR101262340B1 (ko) | 2011-11-30 | 2013-05-08 | 주식회사 케이티 | 시스템 정보 제공 장치 및 그 방법 |
CN106154050B (zh) * | 2016-06-01 | 2019-07-19 | 国网河北省电力公司电力科学研究院 | 基于用电信息采集***的带分段手拉手线路线损率统计方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5574984A (en) * | 1993-02-11 | 1996-11-12 | Motorola, Inc. | Method and apparatus for controlling a power level of a base station of a wireless communication system |
WO1998035525A2 (en) * | 1997-02-11 | 1998-08-13 | Qualcomm Incorporated | A method of and apparatus for controlling handoff in a communication system |
EP0884918A2 (en) * | 1997-06-09 | 1998-12-16 | Nec Corporation | Cellular communication system with soft handover and apparatus therefor |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4556760A (en) * | 1984-06-11 | 1985-12-03 | Itt Corporation | Hand-off filter for cellular mobile radio |
EP0917308A1 (en) * | 1992-04-17 | 1999-05-19 | TELEFONAKTIEBOLAGET L M ERICSSON (publ) | Mobile assisted handover using CDMA |
JP2991862B2 (ja) | 1992-06-29 | 1999-12-20 | 三菱電機株式会社 | 移動体通信における送信電力制御装置およびシステム |
US5383219A (en) * | 1993-11-22 | 1995-01-17 | Qualcomm Incorporated | Fast forward link power control in a code division multiple access system |
SE505006C2 (sv) | 1994-08-31 | 1997-06-09 | Telia Ab | Anordning för prediktering vid handover i cellulärt telekommunikationssystem |
JPH08172390A (ja) | 1994-12-19 | 1996-07-02 | Nippon Telegr & Teleph Corp <Ntt> | 移動無線通信方式 |
JPH08256102A (ja) | 1995-01-19 | 1996-10-01 | Sony Corp | セルラーシステム |
JP2762965B2 (ja) | 1995-09-04 | 1998-06-11 | 日本電気株式会社 | 基地局送信電力制御方式 |
JP2980549B2 (ja) | 1996-03-19 | 1999-11-22 | エヌ・ティ・ティ移動通信網株式会社 | 移動通信システムにおける有線回線情報伝送方法および基地局装置と移動局装置 |
US5926470A (en) * | 1996-05-22 | 1999-07-20 | Qualcomm Incorporated | Method and apparatus for providing diversity in hard handoff for a CDMA system |
KR100496528B1 (ko) * | 1996-11-27 | 2005-09-30 | 가부시끼가이샤 히다치 세이사꾸쇼 | 이동통신시스템송신전력제어방법및장치 |
US6151502A (en) * | 1997-01-29 | 2000-11-21 | Qualcomm Incorporated | Method and apparatus for performing soft hand-off in a wireless communication system |
US6073025A (en) * | 1997-03-26 | 2000-06-06 | Nortel Networks Corporation | Base station power control during a soft hand-off |
US6307849B1 (en) * | 1997-09-08 | 2001-10-23 | Qualcomm Incorporated | Method and system for changing forward traffic channel power allocation during soft handoff |
US6389296B1 (en) * | 1997-10-08 | 2002-05-14 | Oki Electric Industry Co., Ltd. | Transmission power control method |
US6175745B1 (en) * | 1997-12-24 | 2001-01-16 | Telefonaktiebolaget Lm Ericsson | Initial transmit power determination in a radiocommunication system |
US6351642B1 (en) * | 1998-12-22 | 2002-02-26 | Telefonaktiebolaget Lm Ericsson (Publ) | CDMA soft hand-off |
-
1998
- 1998-08-12 JP JP22814498A patent/JP3204310B2/ja not_active Expired - Lifetime
-
1999
- 1999-08-04 BR BRPI9904570A patent/BRPI9904570B1/pt active IP Right Grant
- 1999-08-11 CN CNB991113721A patent/CN1254031C/zh not_active Expired - Lifetime
- 1999-08-11 EP EP19990115832 patent/EP0989690B1/en not_active Expired - Lifetime
- 1999-08-11 EP EP20070101688 patent/EP1811688A2/en not_active Withdrawn
- 1999-08-11 EP EP20070101686 patent/EP1811687A2/en not_active Withdrawn
- 1999-08-11 EP EP20040024104 patent/EP1555766A3/en not_active Withdrawn
- 1999-08-11 DE DE69941503T patent/DE69941503D1/de not_active Expired - Lifetime
- 1999-08-11 US US09/372,053 patent/US6526028B1/en not_active Expired - Lifetime
- 1999-08-12 KR KR10-1999-0033043A patent/KR100397100B1/ko not_active IP Right Cessation
- 1999-08-12 SG SG9903903A patent/SG93214A1/en unknown
-
2002
- 2002-12-02 US US10/307,359 patent/US7532888B2/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5574984A (en) * | 1993-02-11 | 1996-11-12 | Motorola, Inc. | Method and apparatus for controlling a power level of a base station of a wireless communication system |
WO1998035525A2 (en) * | 1997-02-11 | 1998-08-13 | Qualcomm Incorporated | A method of and apparatus for controlling handoff in a communication system |
EP0884918A2 (en) * | 1997-06-09 | 1998-12-16 | Nec Corporation | Cellular communication system with soft handover and apparatus therefor |
Also Published As
Publication number | Publication date |
---|---|
KR20000017268A (ko) | 2000-03-25 |
EP0989690A2 (en) | 2000-03-29 |
KR100397100B1 (ko) | 2003-09-06 |
EP1811687A2 (en) | 2007-07-25 |
DE69941503D1 (de) | 2009-11-19 |
EP0989690A3 (en) | 2002-10-09 |
BR9904570A (pt) | 2000-11-07 |
US6526028B1 (en) | 2003-02-25 |
CN1254031C (zh) | 2006-04-26 |
BRPI9904570B1 (pt) | 2016-02-16 |
EP1811688A2 (en) | 2007-07-25 |
EP1555766A2 (en) | 2005-07-20 |
JP2000059297A (ja) | 2000-02-25 |
EP0989690B1 (en) | 2009-10-07 |
US20030076796A1 (en) | 2003-04-24 |
EP1555766A3 (en) | 2008-05-28 |
CN1250281A (zh) | 2000-04-12 |
JP3204310B2 (ja) | 2001-09-04 |
US7532888B2 (en) | 2009-05-12 |
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