FI108178B - Tietoliikenneverkon kapasiteetin kasvattaminen - Google Patents
Tietoliikenneverkon kapasiteetin kasvattaminen Download PDFInfo
- Publication number
- FI108178B FI108178B FI974534A FI974534A FI108178B FI 108178 B FI108178 B FI 108178B FI 974534 A FI974534 A FI 974534A FI 974534 A FI974534 A FI 974534A FI 108178 B FI108178 B FI 108178B
- Authority
- FI
- Finland
- Prior art keywords
- signals
- base station
- signal
- mobile
- transmitted
- Prior art date
Links
- 238000004891 communication Methods 0.000 title description 7
- 238000000034 method Methods 0.000 claims abstract description 54
- 238000001514 detection method Methods 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims description 30
- 230000003044 adaptive effect Effects 0.000 claims description 15
- 238000010295 mobile communication Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims 5
- 238000012549 training Methods 0.000 description 22
- 238000012546 transfer Methods 0.000 description 16
- 238000012545 processing Methods 0.000 description 5
- 230000001629 suppression Effects 0.000 description 5
- 230000004186 co-expression Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 101150085946 MSD2 gene Proteins 0.000 description 1
- 101100112811 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) CDC5 gene Proteins 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000000658 coextraction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- 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
- H04B7/0491—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more sectors, i.e. sector diversity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/005—Control of transmission; Equalising
-
- 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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Exchange Systems With Centralized Control (AREA)
- Communication Control (AREA)
Priority Applications (12)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI974534A FI108178B (fi) | 1997-12-16 | 1997-12-16 | Tietoliikenneverkon kapasiteetin kasvattaminen |
EP08158281A EP1962440A3 (de) | 1997-12-16 | 1998-12-11 | Ressourcennerweiterung in einem Telekommunikationssystem |
CN98812323.1A CN1246978C (zh) | 1997-12-16 | 1998-12-11 | 电信网中资源的改善 |
ES98959927T ES2312193T3 (es) | 1997-12-16 | 1998-12-11 | Potenciacion de recursos en una red de telecomunicaciones. |
DE69839849T DE69839849D1 (de) | 1997-12-16 | 1998-12-11 | Systemmittelverbesserung in einem telekommunikationsnetzwerk |
EP98959927A EP1044515B1 (de) | 1997-12-16 | 1998-12-11 | Systemmittelverbesserung in einem telekommunikationsnetzwerk |
AU15653/99A AU755580B2 (en) | 1997-12-16 | 1998-12-11 | Upgrading of resources in a telecommunications network |
PCT/FI1998/000974 WO1999034532A2 (en) | 1997-12-16 | 1998-12-11 | Upgrading of resources in a telecommunications network |
AT98959927T ATE403981T1 (de) | 1997-12-16 | 1998-12-11 | Systemmittelverbesserung in einem telekommunikationsnetzwerk |
JP2000527040A JP2002500467A (ja) | 1997-12-16 | 1998-12-11 | テレコミュニケーションネットワークにおけるリソースのアップグレード |
US09/588,954 US6782255B1 (en) | 1997-12-16 | 2000-06-07 | Upgrading of resources in a telecommunications network |
NO20003071A NO20003071L (no) | 1997-12-16 | 2000-06-15 | Oppgradering av ressurser i et telekommunikasjonsnett |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI974534 | 1997-12-16 | ||
FI974534A FI108178B (fi) | 1997-12-16 | 1997-12-16 | Tietoliikenneverkon kapasiteetin kasvattaminen |
Publications (3)
Publication Number | Publication Date |
---|---|
FI974534A0 FI974534A0 (fi) | 1997-12-16 |
FI974534A FI974534A (fi) | 1999-06-17 |
FI108178B true FI108178B (fi) | 2001-11-30 |
Family
ID=8550146
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI974534A FI108178B (fi) | 1997-12-16 | 1997-12-16 | Tietoliikenneverkon kapasiteetin kasvattaminen |
Country Status (11)
Country | Link |
---|---|
US (1) | US6782255B1 (de) |
EP (2) | EP1962440A3 (de) |
JP (1) | JP2002500467A (de) |
CN (1) | CN1246978C (de) |
AT (1) | ATE403981T1 (de) |
AU (1) | AU755580B2 (de) |
DE (1) | DE69839849D1 (de) |
ES (1) | ES2312193T3 (de) |
FI (1) | FI108178B (de) |
NO (1) | NO20003071L (de) |
WO (1) | WO1999034532A2 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10025287B4 (de) * | 2000-05-22 | 2006-06-08 | Siemens Ag | Verfahren und Kommunikationssystem zur Schätzung einer Störungs-Kovarianzmatrix für die Abwärtsverbindung in zellularen Mobilfunknetzen mit adaptiven Antennen |
EP1396047A1 (de) * | 2001-05-15 | 2004-03-10 | Nokia Corporation | Datenübertragungsverfahren und -anordnung |
WO2003030377A2 (en) * | 2001-09-28 | 2003-04-10 | At & T Corp. | Method and apparatus for reducing interference in multiple-input-multiple-output (mimo) systems |
CN101631381B (zh) * | 2003-02-19 | 2013-02-27 | 高通股份有限公司 | 在多用户通信系统中增强的编码的方法和装置 |
US20040179557A1 (en) * | 2003-03-14 | 2004-09-16 | Wen Tong | Channel structures, systems, and methods to support high speed communication channels |
US20090116571A1 (en) * | 2005-06-30 | 2009-05-07 | Matsushita Electric Industrial Co., Ltd. | Transmitter, receiver, and communication method |
US7801547B2 (en) * | 2005-12-22 | 2010-09-21 | Telefonaktiebolaget L M Ericsson (Publ) | System and method for determining downlink signaling power in a radio communication network |
IL203785A (en) | 2007-09-12 | 2014-07-31 | Qualcomm Inc | Devices to increase capacitance and methods for wireless communication |
ES2572143T3 (es) * | 2007-09-12 | 2016-05-30 | Qualcomm Inc | Dispositivos y procedimientos que aumentan la capacidad para la comunicación inalámbrica |
WO2009038528A2 (en) * | 2007-09-18 | 2009-03-26 | Telefonaktiebolaget L M Ericsson (Publ) | Reduced interference in an mbms enabled system |
US9867203B2 (en) * | 2008-07-11 | 2018-01-09 | Qualcomm Incorporated | Synchronous TDM-based communication in dominant interference scenarios |
CN101867398A (zh) | 2009-04-20 | 2010-10-20 | 中兴通讯股份有限公司 | 一种适用于频分复用系统的单用户波束成形方法和装置 |
US10048349B2 (en) * | 2014-08-04 | 2018-08-14 | Mediatek Inc. | Main lobe and grating lobe identification for direction finding |
WO2016131164A1 (zh) * | 2015-02-16 | 2016-08-25 | 富士通株式会社 | 信号发送方法、装置以及通信系统 |
KR102637797B1 (ko) * | 2018-02-15 | 2024-02-20 | 한국전자통신연구원 | 무선 통신 시스템의 공유 자원 상에서의 제1 사용자 장비의 데이터 및 제2 사용자 장비의 데이터의 통신 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4087818A (en) | 1975-10-14 | 1978-05-02 | Communications Satellite Corporation | Lossless network and method for orthogonalizing dual polarized transmission systems |
US4301530A (en) * | 1978-12-18 | 1981-11-17 | The United States Of America As Represented By The Secretary Of The Army | Orthogonal spread spectrum time division multiple accessing mobile subscriber access system |
US5103459B1 (en) * | 1990-06-25 | 1999-07-06 | Qualcomm Inc | System and method for generating signal waveforms in a cdma cellular telephone system |
US5260967A (en) * | 1992-01-13 | 1993-11-09 | Interdigital Technology Corporation | CDMA/TDMA spread-spectrum communications system and method |
US5345599A (en) | 1992-02-21 | 1994-09-06 | The Board Of Trustees Of The Leland Stanford Junior University | Increasing capacity in wireless broadcast systems using distributed transmission/directional reception (DTDR) |
US5295153A (en) * | 1992-04-13 | 1994-03-15 | Telefonaktiebolaget L M Ericsson | CDMA frequency allocation |
FI925472A (fi) * | 1992-12-01 | 1994-06-02 | Nokia Mobile Phones Ltd | Tiedonsiirtomenetelmä sekä -järjestelmä |
JP2802870B2 (ja) * | 1993-03-10 | 1998-09-24 | エヌ・ティ・ティ移動通信網株式会社 | 符号分割多重移動通信機及び符号分割多重移動通信のセル選択方法 |
US5437055A (en) * | 1993-06-03 | 1995-07-25 | Qualcomm Incorporated | Antenna system for multipath diversity in an indoor microcellular communication system |
JP2636712B2 (ja) * | 1993-12-08 | 1997-07-30 | 日本電気株式会社 | 移動通信装置 |
US5426668A (en) | 1994-01-12 | 1995-06-20 | Bell Communications Research, Inc. | Tetherless access to communication networks |
GB2287620B (en) * | 1994-03-10 | 1998-12-16 | Roke Manor Research | A digital cellular mobile radio receiver |
US5787344A (en) * | 1994-06-28 | 1998-07-28 | Scheinert; Stefan | Arrangements of base transceiver stations of an area-covering network |
FI102797B1 (fi) * | 1994-10-07 | 1999-02-15 | Nokia Telecommunications Oy | Signaalin ilmaisumenetelmä TDMA-matkaviestinjärjestelmän vastaanottimessa sekä menetelmän toteuttava vastaanotin |
EP0872061B1 (de) * | 1995-08-31 | 2004-10-13 | Nokia Corporation | Datenübertragungsverfahren und zellulares funksystem |
GB2309616B (en) * | 1996-01-27 | 2000-05-17 | Motorola Ltd | A space division multiple access radio communication system and method for allocating channels therein |
US5960039A (en) * | 1996-04-10 | 1999-09-28 | Lucent Technologies Inc. | Methods and apparatus for high data rate transmission in narrowband mobile radio channels |
JPH1023520A (ja) * | 1996-07-02 | 1998-01-23 | Matsushita Electric Ind Co Ltd | ゾーン構成法およびそのゾーン構成法を利用する伝送装置 |
JP3720141B2 (ja) * | 1996-10-01 | 2005-11-24 | 松下電器産業株式会社 | 移動体通信方法およびその装置 |
BR9810000B1 (pt) * | 1997-06-09 | 2012-03-20 | processo e instalação de recepção para transmissão de dados | |
US6058105A (en) * | 1997-09-26 | 2000-05-02 | Lucent Technologies Inc. | Multiple antenna communication system and method thereof |
-
1997
- 1997-12-16 FI FI974534A patent/FI108178B/fi not_active IP Right Cessation
-
1998
- 1998-12-11 EP EP08158281A patent/EP1962440A3/de not_active Ceased
- 1998-12-11 AU AU15653/99A patent/AU755580B2/en not_active Ceased
- 1998-12-11 CN CN98812323.1A patent/CN1246978C/zh not_active Expired - Fee Related
- 1998-12-11 DE DE69839849T patent/DE69839849D1/de not_active Expired - Lifetime
- 1998-12-11 EP EP98959927A patent/EP1044515B1/de not_active Expired - Lifetime
- 1998-12-11 AT AT98959927T patent/ATE403981T1/de not_active IP Right Cessation
- 1998-12-11 ES ES98959927T patent/ES2312193T3/es not_active Expired - Lifetime
- 1998-12-11 WO PCT/FI1998/000974 patent/WO1999034532A2/en active IP Right Grant
- 1998-12-11 JP JP2000527040A patent/JP2002500467A/ja active Pending
-
2000
- 2000-06-07 US US09/588,954 patent/US6782255B1/en not_active Expired - Lifetime
- 2000-06-15 NO NO20003071A patent/NO20003071L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
NO20003071L (no) | 2000-08-15 |
EP1962440A3 (de) | 2008-12-31 |
DE69839849D1 (de) | 2008-09-18 |
CN1246978C (zh) | 2006-03-22 |
CN1282467A (zh) | 2001-01-31 |
FI974534A (fi) | 1999-06-17 |
EP1044515A2 (de) | 2000-10-18 |
WO1999034532A2 (en) | 1999-07-08 |
NO20003071D0 (no) | 2000-06-15 |
EP1044515B1 (de) | 2008-08-06 |
AU755580B2 (en) | 2002-12-19 |
JP2002500467A (ja) | 2002-01-08 |
ES2312193T3 (es) | 2009-02-16 |
ATE403981T1 (de) | 2008-08-15 |
EP1962440A2 (de) | 2008-08-27 |
FI974534A0 (fi) | 1997-12-16 |
US6782255B1 (en) | 2004-08-24 |
WO1999034532A3 (en) | 1999-08-26 |
AU1565399A (en) | 1999-07-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |