JPH04501642A - 通信システム - Google Patents
通信システムInfo
- Publication number
- JPH04501642A JPH04501642A JP1511699A JP51169989A JPH04501642A JP H04501642 A JPH04501642 A JP H04501642A JP 1511699 A JP1511699 A JP 1511699A JP 51169989 A JP51169989 A JP 51169989A JP H04501642 A JPH04501642 A JP H04501642A
- Authority
- JP
- Japan
- Prior art keywords
- optical
- radio frequency
- wireless
- communication system
- radio
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004891 communication Methods 0.000 title claims description 32
- 230000003287 optical effect Effects 0.000 claims description 68
- 239000011159 matrix material Substances 0.000 claims description 24
- 239000000835 fiber Substances 0.000 claims description 12
- 239000013307 optical fiber Substances 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- LFVLUOAHQIVABZ-UHFFFAOYSA-N Iodofenphos Chemical compound COP(=S)(OC)OC1=CC(Cl)=C(I)C=C1Cl LFVLUOAHQIVABZ-UHFFFAOYSA-N 0.000 claims 1
- 239000000969 carrier Substances 0.000 description 12
- 238000010586 diagram Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000005773 Enders reaction Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
Classifications
-
- 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
- H04W88/085—Access point devices with remote components
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2575—Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
- H04B10/25752—Optical arrangements for wireless networks
- H04B10/25753—Distribution optical network, e.g. between a base station and a plurality of remote units
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mobile Radio Communication Systems (AREA)
- Optical Communication System (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Abstract
Description
Claims (12)
- 1.複数の無線周波数通信リンクを提供するための1以上の無線トランシーバを 有するベースセンタと、無線周波数信号がそれを通って空中を送受信されること のできる複数の固定された無線ポートと、無線トランシーバと固定された無線ポ ートとを相互接続し、光信号により無線周波数信号を搬送するための光ファイバ ネットワークと、 無線周波数信号で1以上の光信号を変調し、1以上の光信号から無線周波数信号 を復調することのできる複数の無線/光インターフェイスとを具備し、 このインターフェイスは無線トランシーバと光ファイバネットワークとの間およ び光ファイバネットワークと固定された無線ポートとの間に位置している通信シ ステム。
- 2.複数の無線周波数通信リンクを提供するための1以上の無線トランシーバを 有するベースセンタと、無線周波数信号がそれを通って空中に送受信されること のできる複数の固定された無線ポートと、無線トランシーバと固定された無線ポ ートとを相互接続し、光信号により無線周波数信号を搬送するための光ファイバ ネットワークと、 無線周波数信号で1以上の光信号を変調し、1以上の光信号から無線周波数信号 を復調することのできる複数の無線/光インターフェイスと、 光ファイバネットワークを介して無線トランシーバと無線ポートとを選択的に接 続するマトリックススイッチとを具備し、 前記インターフェイスは無線トランシーバと光ファイバネットワークとの間およ び光ファイバネットワークと固定された無線ポートとの間に位置している通信シ ステム。
- 3.無線周波数リンクは周波数分割多重化されている請求項2記載の通信システ ム。
- 4.無線周波数リンクは時分割多重化されている請求項2記載の通信システム。
- 5.1以上の無線ポートヘの、または1以上の無線ポートからの無線周波数信号 の結合手段が設けられている請求項2または3または4記載の通信システム。
- 6.マトリックススイッチが光信号のスイッチングのために投げられ、この光マ トリックススイッチと1以上の無線トランシーバとの間に1以上の無線/光イン ターフェイスが設けられている請求項2乃至5のいずれか1項記載の通信システ ム。
- 7.マトリックススイッチが無線周波数信号のスイッチングのために設けられ、 この無線周波数マトリックススイッチと光ファイバネットワークとの間に1以上 の無線/光インターフェイスが設げられている請求項2乃至5のいずれか1項記 載の通信システム。
- 8.光ファイバネットワーク中に光信号のマルチプレクサ/デマルチプレクサが 設けられている請求項1乃至7のいずれか1項記載の通信システム。
- 9.光ファイバネットワークが光信号の波長による経路設定を備えている請求項 1乃至8のいずれか1項記載の通信システム。
- 10.無線ポート間で行われる呼びの引継ぎが、マトリックススイッチにより1 つの無線ポートから別の無線ポートへ無線トランシーバを切替えることによって ベースセンタ中で制御される請求項1乃至9のいずれか1項記載の通信システム 。
- 11.ダイバーシティ動作がマトリックススイッチングにより2以上無線地点間 の結合または切替えによって行われる請求項1乃至10のいずれか1項記載の通 信システム。
- 12.ダイナミックチャンネル割当てがベースセンタによって制御される請求項 1乃至10のいずれか1項記載の通信システム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB888826476A GB8826476D0 (en) | 1988-11-11 | 1988-11-11 | Communications system |
GB8826476.7 | 1988-11-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH04501642A true JPH04501642A (ja) | 1992-03-19 |
JP2956981B2 JP2956981B2 (ja) | 1999-10-04 |
Family
ID=10646738
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1511699A Expired - Lifetime JP2956981B2 (ja) | 1988-11-11 | 1989-11-10 | 通信システム |
Country Status (12)
Country | Link |
---|---|
EP (2) | EP0368673B1 (ja) |
JP (1) | JP2956981B2 (ja) |
AU (1) | AU638426B2 (ja) |
CA (1) | CA2002295C (ja) |
DE (1) | DE68914287T3 (ja) |
DK (1) | DK174713B1 (ja) |
ES (1) | ES2050815T3 (ja) |
FI (1) | FI97323C (ja) |
GB (1) | GB8826476D0 (ja) |
HK (1) | HK136496A (ja) |
NZ (1) | NZ231332A (ja) |
WO (1) | WO1990005432A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03283725A (ja) * | 1990-03-30 | 1991-12-13 | Nippon Telegr & Teleph Corp <Ntt> | 無線通信方式 |
Families Citing this family (65)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2548763B2 (ja) * | 1988-01-25 | 1996-10-30 | 富士通株式会社 | 移動体通信の通話中ゾーン切換え方法と制御交換局 |
CA2008900C (en) * | 1989-04-04 | 1998-01-20 | Ta-Shing Chu | Optical fiber microcellular mobile radio |
NO910261L (no) * | 1990-02-01 | 1991-08-02 | Alcatel Nv | Mobilradiosystem. |
DE4008790A1 (de) * | 1990-03-19 | 1991-09-26 | Albert Peitz | Schaltungsanordnung fuer aus vermittlungsstellen bestehende fernmeldewaehlnetze, vorzugsweise fernsprechwaehlnetze |
IT1248925B (it) * | 1990-05-31 | 1995-02-11 | Sirti Spa | Ripetitore per telecomunicazioni,in particolare per radiotelefonia |
DE4019224A1 (de) * | 1990-06-15 | 1991-12-19 | Standard Elektrik Lorenz Ag | Funk-nachrichtenuebertragungssystem, insbesondere zellulares mobilfunksystem |
AU668076B2 (en) * | 1990-08-07 | 1996-04-26 | Inventahl Ab | Modular radio communication system |
US5666653A (en) * | 1990-08-07 | 1997-09-09 | Inventahl Ab | Wide area radio communication system and method for communicating in a wide area through a wide area radio communication system |
EP0476569B1 (en) * | 1990-09-17 | 1996-12-18 | Nec Corporation | Mobile communication system |
US5243598A (en) * | 1991-04-02 | 1993-09-07 | Pactel Corporation | Microcell system in digital cellular |
US5504936A (en) * | 1991-04-02 | 1996-04-02 | Airtouch Communications Of California | Microcells for digital cellular telephone systems |
JP2628950B2 (ja) * | 1991-10-07 | 1997-07-09 | 株式会社日立製作所 | 携帯電話システムにおける位置登録方法 |
GB2268653B (en) * | 1991-12-16 | 1995-08-30 | Motorola Inc | Optical distribution system |
DE4143266C1 (ja) * | 1991-12-31 | 1993-08-05 | Peitz Gmbh, 8000 Muenchen, De | |
US5528665A (en) * | 1991-12-31 | 1996-06-18 | Peitz Gmbh | Telephone exchange apparatus for both mobile and stationary stations, in which all communication channel pairs are assignable for all stations |
SE9200283D0 (sv) * | 1992-02-03 | 1992-02-03 | Peter Aahl | Dynamisk varierbar radiostation-dvr |
US5303287A (en) * | 1992-08-13 | 1994-04-12 | Hughes Aircraft Company | Integrated personal/cellular communications system architecture |
US5627879A (en) * | 1992-09-17 | 1997-05-06 | Adc Telecommunications, Inc. | Cellular communications system with centralized base stations and distributed antenna units |
US5519830A (en) * | 1993-06-10 | 1996-05-21 | Adc Telecommunications, Inc. | Point-to-multipoint performance monitoring and failure isolation system |
US5528579A (en) * | 1993-06-11 | 1996-06-18 | Adc Telecommunications, Inc. | Added bit signalling in a telecommunications system |
US5390235A (en) * | 1993-06-23 | 1995-02-14 | Pcs Microcell International, Inc. | Cordless telephone system and switching control method therefor |
GB9316951D0 (en) * | 1993-08-14 | 1993-09-29 | Macnamee Robert J G | Radio communication systems |
US5408462A (en) * | 1993-10-07 | 1995-04-18 | Adc Telecommunications, Inc. | Protection switching apparatus and method |
US5453737A (en) * | 1993-10-08 | 1995-09-26 | Adc Telecommunications, Inc. | Control and communications apparatus |
US5758287A (en) * | 1994-05-20 | 1998-05-26 | Airtouch Communications, Inc. | Hub and remote cellular telephone system |
US5519691A (en) * | 1994-06-03 | 1996-05-21 | At&T Corp. | Arrangement for and method of providing radio frequency access to a switching system |
DE4424016A1 (de) * | 1994-07-08 | 1996-01-18 | Ant Nachrichtentech | Basisstationssystem für ein digitales zellulares Mobilfunknetz |
US5761619A (en) * | 1995-03-23 | 1998-06-02 | Telefoanktiebolaget Lm Ericsson | Distributed telecommunications system |
US5903834A (en) * | 1995-10-06 | 1999-05-11 | Telefonaktiebolaget L/M Ericsson | Distributed indoor digital multiple-access cellular telephone system |
GB2308042B (en) * | 1995-12-05 | 2000-02-16 | Motorola Ltd | Radio communication system |
US6205133B1 (en) | 1996-11-25 | 2001-03-20 | Ericsson Inc. | Flexible wideband architecture for use in radio communications systems |
US5845199A (en) * | 1996-12-05 | 1998-12-01 | Ericsson Inc. | Simulcasting system with diversity reception |
US6112086A (en) * | 1997-02-25 | 2000-08-29 | Adc Telecommunications, Inc. | Scanning RSSI receiver system using inverse fast fourier transforms for a cellular communications system with centralized base stations and distributed antenna units |
US5978117A (en) * | 1997-08-29 | 1999-11-02 | Lucent Technologies Inc. | Dynamic reconfiguration of a wireless network using flexible wavelenght multiplexing |
EP0901298A1 (fr) * | 1997-09-08 | 1999-03-10 | Alcatel | Station de base contrÔlant les communications mises en oeuvre dans une cellule d'un réseau de radiocommunication cellulaire et numérique et procédé de contrÔle correspondant |
FR2768288B1 (fr) * | 1997-09-08 | 1999-10-15 | Alsthom Cge Alcatel | Station de base controlant les communications mises en oeuvre dans une cellule d'un reseau de radio-communication cellulaire et numerique et procede de controle correspondant |
EP0994582B1 (en) * | 1998-10-15 | 2005-08-17 | Lucent Technologies Inc. | Reconfigurable fiber network for wireless communication |
DE60139116D1 (de) | 2000-03-27 | 2009-08-13 | Opencell Corp | System zum Verteilen von Multiprotokoll-RF-Signalen |
US6704545B1 (en) | 2000-07-19 | 2004-03-09 | Adc Telecommunications, Inc. | Point-to-multipoint digital radio frequency transport |
GB2368752B (en) * | 2000-10-31 | 2004-06-30 | Ip Access Ltd | Cellular radio telecommunications systems |
US7127175B2 (en) | 2001-06-08 | 2006-10-24 | Nextg Networks | Method and apparatus for multiplexing in a wireless communication infrastructure |
US6826163B2 (en) | 2001-06-08 | 2004-11-30 | Nextg Networks | Method and apparatus for multiplexing in a wireless communication infrastructure |
EP1400141B1 (en) * | 2001-06-08 | 2010-03-10 | Nextg Networks | Network and method for connecting antennas to base stations in a wireless communication network using space diversity |
US6826164B2 (en) | 2001-06-08 | 2004-11-30 | Nextg Networks | Method and apparatus for multiplexing in a wireless communication infrastructure |
US6865390B2 (en) * | 2001-06-25 | 2005-03-08 | Lucent Technologies Inc. | Cellular communications system featuring a central radio pool/traffic router |
US7184728B2 (en) | 2002-02-25 | 2007-02-27 | Adc Telecommunications, Inc. | Distributed automatic gain control system |
JP2003324393A (ja) * | 2002-02-26 | 2003-11-14 | Matsushita Electric Ind Co Ltd | 双方向光伝送システム並びにそれに用いられる親局及び子局 |
US8811917B2 (en) | 2002-05-01 | 2014-08-19 | Dali Systems Co. Ltd. | Digital hybrid mode power amplifier system |
US8380143B2 (en) | 2002-05-01 | 2013-02-19 | Dali Systems Co. Ltd | Power amplifier time-delay invariant predistortion methods and apparatus |
US7263293B2 (en) | 2002-06-10 | 2007-08-28 | Andrew Corporation | Indoor wireless voice and data distribution system |
US7103377B2 (en) | 2002-12-03 | 2006-09-05 | Adc Telecommunications, Inc. | Small signal threshold and proportional gain distributed digital communications |
US8958789B2 (en) | 2002-12-03 | 2015-02-17 | Adc Telecommunications, Inc. | Distributed digital antenna system |
US7171244B2 (en) | 2002-12-03 | 2007-01-30 | Adc Telecommunications, Inc. | Communication system and method with gain control for signals from distributed antennas |
CN100442879C (zh) | 2004-03-29 | 2008-12-10 | Ut斯达康通讯有限公司 | 多模无线网络中的资源管理与业务引导方法 |
US7787854B2 (en) | 2005-02-01 | 2010-08-31 | Adc Telecommunications, Inc. | Scalable distributed radio network |
CN102017553B (zh) | 2006-12-26 | 2014-10-15 | 大力系统有限公司 | 用于多信道宽带通信系统中的基带预失真线性化的方法和系统 |
US8737454B2 (en) | 2007-01-25 | 2014-05-27 | Adc Telecommunications, Inc. | Modular wireless communications platform |
US8583100B2 (en) | 2007-01-25 | 2013-11-12 | Adc Telecommunications, Inc. | Distributed remote base station system |
US20110044693A1 (en) * | 2008-01-04 | 2011-02-24 | Bradley George Kelly | System and apparatus for providing a high quality of service network connection via plastic optical fiber |
US9001811B2 (en) | 2009-05-19 | 2015-04-07 | Adc Telecommunications, Inc. | Method of inserting CDMA beacon pilots in output of distributed remote antenna nodes |
KR20180026793A (ko) | 2010-08-17 | 2018-03-13 | 달리 시스템즈 씨오. 엘티디. | 분산 안테나 시스템을 위한 뉴트럴 호스트 아키텍처 |
CN105208083B (zh) | 2010-09-14 | 2018-09-21 | 大力系统有限公司 | 用于发送信号的系统和分布式天线系统 |
EP2834926B1 (en) * | 2012-04-05 | 2021-06-09 | Telefonaktiebolaget LM Ericsson (publ) | Arrangement in a mobile network |
EP3108627A4 (en) | 2014-02-18 | 2017-10-11 | CommScope Technologies LLC | Selectively combining uplink signals in distributed antenna systems |
US10499269B2 (en) | 2015-11-12 | 2019-12-03 | Commscope Technologies Llc | Systems and methods for assigning controlled nodes to channel interfaces of a controller |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6025347A (ja) * | 1983-07-22 | 1985-02-08 | Nippon Telegr & Teleph Corp <Ntt> | 無線パケツトアクセス方式 |
JPS6062748A (ja) * | 1984-08-06 | 1985-04-10 | Nec Corp | 移動通信方式 |
JPS6212298A (ja) * | 1985-07-10 | 1987-01-21 | Hitachi Ltd | 移動体通信方式 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3135231A1 (de) * | 1981-09-05 | 1983-04-07 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Nachrichtenuebertragungssystem |
GB2138652B (en) * | 1983-04-23 | 1986-04-23 | Standard Telephones Cables Ltd | Distributed pabx |
DE3411013A1 (de) * | 1984-03-24 | 1985-09-26 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Nachrichtenuebertragungssystem |
DE3673631D1 (de) * | 1986-02-15 | 1990-09-27 | Ant Nachrichtentech | Digitales mobilfunksystem. |
AU5990890A (en) * | 1989-07-24 | 1991-01-24 | Predrag J.S. Skrbic | Fibre-optical broadcasting system |
-
1988
- 1988-11-11 GB GB888826476A patent/GB8826476D0/en active Pending
-
1989
- 1989-11-06 CA CA002002295A patent/CA2002295C/en not_active Expired - Lifetime
- 1989-11-09 NZ NZ231332A patent/NZ231332A/en unknown
- 1989-11-10 EP EP89311656A patent/EP0368673B1/en not_active Expired - Lifetime
- 1989-11-10 WO PCT/GB1989/001341 patent/WO1990005432A1/en active IP Right Grant
- 1989-11-10 ES ES89311656T patent/ES2050815T3/es not_active Expired - Lifetime
- 1989-11-10 JP JP1511699A patent/JP2956981B2/ja not_active Expired - Lifetime
- 1989-11-10 DE DE68914287T patent/DE68914287T3/de not_active Expired - Lifetime
- 1989-11-10 EP EP89912477A patent/EP0444067B2/en not_active Expired - Lifetime
- 1989-11-10 AU AU45171/89A patent/AU638426B2/en not_active Ceased
-
1991
- 1991-05-10 FI FI912272A patent/FI97323C/fi not_active IP Right Cessation
- 1991-05-10 DK DK199100879A patent/DK174713B1/da not_active IP Right Cessation
-
1996
- 1996-07-25 HK HK136496A patent/HK136496A/xx not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6025347A (ja) * | 1983-07-22 | 1985-02-08 | Nippon Telegr & Teleph Corp <Ntt> | 無線パケツトアクセス方式 |
JPS6062748A (ja) * | 1984-08-06 | 1985-04-10 | Nec Corp | 移動通信方式 |
JPS6212298A (ja) * | 1985-07-10 | 1987-01-21 | Hitachi Ltd | 移動体通信方式 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03283725A (ja) * | 1990-03-30 | 1991-12-13 | Nippon Telegr & Teleph Corp <Ntt> | 無線通信方式 |
Also Published As
Publication number | Publication date |
---|---|
DE68914287D1 (de) | 1994-05-05 |
EP0444067B1 (en) | 1994-03-30 |
CA2002295C (en) | 1996-05-14 |
EP0368673A1 (en) | 1990-05-16 |
EP0368673B1 (en) | 1994-03-30 |
FI912272A0 (fi) | 1991-05-10 |
NZ231332A (en) | 1992-09-25 |
HK136496A (en) | 1996-08-02 |
ES2050815T3 (es) | 1994-06-01 |
FI97323B (fi) | 1996-08-15 |
AU4517189A (en) | 1990-05-28 |
DK87991A (da) | 1991-05-10 |
EP0444067A1 (en) | 1991-09-04 |
WO1990005432A1 (en) | 1990-05-17 |
DE68914287T3 (de) | 2001-06-21 |
GB8826476D0 (en) | 1988-12-14 |
AU638426B2 (en) | 1993-07-01 |
DE68914287T2 (de) | 1994-07-21 |
EP0444067B2 (en) | 2001-01-24 |
DK174713B1 (da) | 2003-09-29 |
CA2002295A1 (en) | 1990-05-11 |
FI97323C (fi) | 1996-11-25 |
JP2956981B2 (ja) | 1999-10-04 |
DK87991D0 (da) | 1991-05-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPH04501642A (ja) | 通信システム | |
US5682256A (en) | Communications system | |
KR100382291B1 (ko) | 무선 기지국 시스템과 단일 전송 포맷을 가지는 중앙 제어국 | |
KR100443312B1 (ko) | 무선 기지국 네트워크 시스템 및 기지국 전환 방법 | |
EP1807939B1 (en) | Communications system and method | |
KR930006453B1 (ko) | 이동 무선 통신 시스템 | |
EP1173034B1 (en) | Mobile communication network system using digital optical link | |
US5323255A (en) | Transceiver arrangement using TDM to transmit assigned subcarrier waveforms | |
US6826163B2 (en) | Method and apparatus for multiplexing in a wireless communication infrastructure | |
EP0859478B1 (en) | Wireless communications systems employing free-space optical communications links | |
CA2450023A1 (en) | Network and method for connecting antennas to base stations in a wireless communication network using space diversity | |
JPH05136724A (ja) | 移動体無線通信システム | |
JPH0448832A (ja) | 光リンク無線通信方式 | |
JPH04207532A (ja) | 通信装置 | |
JPH05235867A (ja) | 加入者端末と通信網の分局との光接続システム | |
JPH11122157A (ja) | 無線基地局システム | |
JP3695999B2 (ja) | 無線方法および無線装置 | |
KR100470443B1 (ko) | 통합형 이동통신 중계기 시스템 | |
JP3235043B2 (ja) | 無線通信方式 | |
JP3591725B2 (ja) | 光ファイバ線路を用いた通信システム | |
JP3771426B2 (ja) | 光波長多重を用いた高周波信号の光ファイバ伝送システム | |
JP2003047035A (ja) | 無線通信方式及び無線基地局 | |
JP2002291029A (ja) | 路車間無線通信システム及びアンテナ装置 | |
KR200268530Y1 (ko) | 통합형 이동통신 중계기 시스템 | |
JPH06152539A (ja) | サブキャリア多重光伝送装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080723 Year of fee payment: 9 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090723 Year of fee payment: 10 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090723 Year of fee payment: 10 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100723 Year of fee payment: 11 |
|
EXPY | Cancellation because of completion of term | ||
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100723 Year of fee payment: 11 |