JP3386811B2 - 閉環境における無線通信のカバー範囲 - Google Patents
閉環境における無線通信のカバー範囲Info
- Publication number
- JP3386811B2 JP3386811B2 JP51303794A JP51303794A JP3386811B2 JP 3386811 B2 JP3386811 B2 JP 3386811B2 JP 51303794 A JP51303794 A JP 51303794A JP 51303794 A JP51303794 A JP 51303794A JP 3386811 B2 JP3386811 B2 JP 3386811B2
- Authority
- JP
- Japan
- Prior art keywords
- base station
- frequency
- closed environment
- mobile unit
- port
- 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.)
- Expired - Lifetime
Links
- 238000004891 communication Methods 0.000 title claims description 49
- 230000002457 bidirectional effect Effects 0.000 claims description 81
- 230000005540 biological transmission Effects 0.000 claims description 44
- 230000008878 coupling Effects 0.000 claims description 39
- 238000010168 coupling process Methods 0.000 claims description 39
- 238000005859 coupling reaction Methods 0.000 claims description 39
- 238000000034 method Methods 0.000 claims description 12
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 230000001413 cellular effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000001902 propagating effect Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- IRLPACMLTUPBCL-KQYNXXCUSA-N 5'-adenylyl sulfate Chemical compound C1=NC=2C(N)=NC=NC=2N1[C@@H]1O[C@H](COP(O)(=O)OS(O)(=O)=O)[C@@H](O)[C@H]1O IRLPACMLTUPBCL-KQYNXXCUSA-N 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/40—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by components specially adapted for near-field transmission
- H04B5/48—Transceivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
-
- 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
- H04B7/2603—Arrangements for wireless physical layer control
- H04B7/2606—Arrangements for base station coverage control, e.g. by using relays in tunnels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/3415—Control system configuration and the data transmission or communication within the control system
- B66B1/3446—Data transmission or communication within the control system
- B66B1/3461—Data transmission or communication within the control system between the elevator control system and remote or mobile stations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
- H04W16/26—Cell enhancers or enhancement, e.g. for tunnels, building shadow
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Relay Systems (AREA)
- Glass Compositions (AREA)
- Road Signs Or Road Markings (AREA)
- Ceramic Products (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/979,909 US5404570A (en) | 1992-11-23 | 1992-11-23 | Radio coverage in closed environments |
US979,909 | 1992-11-23 | ||
PCT/SE1993/000992 WO1994013067A1 (en) | 1992-11-23 | 1993-11-19 | Radio coverage in closed environments |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH07507189A JPH07507189A (ja) | 1995-08-03 |
JP3386811B2 true JP3386811B2 (ja) | 2003-03-17 |
Family
ID=25527220
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51303794A Expired - Lifetime JP3386811B2 (ja) | 1992-11-23 | 1993-11-19 | 閉環境における無線通信のカバー範囲 |
Country Status (14)
Families Citing this family (166)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6359872B1 (en) * | 1997-10-28 | 2002-03-19 | Intermec Ip Corp. | Wireless personal local area network |
US5404570A (en) * | 1992-11-23 | 1995-04-04 | Telefonaktiebolaget L M Ericsson | Radio coverage in closed environments |
US6594471B1 (en) * | 1993-04-05 | 2003-07-15 | Ambit Corp | Radiative focal area antenna transmission coupling arrangement |
US5604789A (en) * | 1994-07-01 | 1997-02-18 | U S West Technologies, Inc. | Method and system for providing a digital wireless local loop |
FI100501B (fi) * | 1994-12-15 | 1997-12-15 | Nokia Telecommunications Oy | Solukkomatkaviestinjärjestelmä |
NO960329L (no) * | 1995-01-27 | 1996-07-29 | Nec Corp | Mobil satelitt-komunikasjonsterminal |
US6026277A (en) * | 1997-10-20 | 2000-02-15 | Gavrilovich; Charles D. | Mobile communication system with moving base station |
US5729826A (en) * | 1996-07-26 | 1998-03-17 | Gavrilovich; Charles D. | Mobile communication system with moving base station |
EP0858715A1 (en) * | 1995-06-02 | 1998-08-19 | Charles D. Gavrilovich | Mobile radio communications system with moving base station |
US6307868B1 (en) | 1995-08-25 | 2001-10-23 | Terayon Communication Systems, Inc. | Apparatus and method for SCDMA digital data transmission using orthogonal codes and a head end modem with no tracking loops |
US5991308A (en) * | 1995-08-25 | 1999-11-23 | Terayon Communication Systems, Inc. | Lower overhead method for data transmission using ATM and SCDMA over hybrid fiber coax cable plant |
US5793759A (en) * | 1995-08-25 | 1998-08-11 | Terayon Corporation | Apparatus and method for digital data transmission over video cable using orthogonal cyclic codes |
US5768269A (en) * | 1995-08-25 | 1998-06-16 | Terayon Corporation | Apparatus and method for establishing frame synchronization in distributed digital data communication systems |
US5805583A (en) * | 1995-08-25 | 1998-09-08 | Terayon Communication Systems | Process for communicating multiple channels of digital data in distributed systems using synchronous code division multiple access |
US6356555B1 (en) | 1995-08-25 | 2002-03-12 | Terayon Communications Systems, Inc. | Apparatus and method for digital data transmission using orthogonal codes |
US5745837A (en) * | 1995-08-25 | 1998-04-28 | Terayon Corporation | Apparatus and method for digital data transmission over a CATV system using an ATM transport protocol and SCDMA |
US6665308B1 (en) | 1995-08-25 | 2003-12-16 | Terayon Communication Systems, Inc. | Apparatus and method for equalization in distributed digital data transmission systems |
GB9522348D0 (en) * | 1995-11-01 | 1996-01-03 | Nokia Telecommunications Oy | Radio telephone call handover |
JP2904093B2 (ja) * | 1996-01-19 | 1999-06-14 | 日本電気株式会社 | 室内外並用式移動通信システム |
US5915207A (en) * | 1996-01-22 | 1999-06-22 | Hughes Electronics Corporation | Mobile and wireless information dissemination architecture and protocols |
US8112131B2 (en) * | 1996-02-20 | 2012-02-07 | Chester Holdings LLC | Radiative focal area antenna transmission coupling arrangement |
US5956639A (en) * | 1996-02-26 | 1999-09-21 | Motorola, Inc. | Method and apparatus for registering mobile user groups with a radio telecommunication system |
US6088592A (en) * | 1996-03-25 | 2000-07-11 | Airnet Communications Corporation | Wireless system plan using in band-translators with diversity backhaul to enable efficient depolyment of high capacity base transceiver systems |
ATE260001T1 (de) * | 1996-04-19 | 2004-03-15 | Lgc Wireless Inc | Funkfrequenz signal-verteilung durch infrastrukturen mit schmaler bandbreite |
US5930682A (en) * | 1996-04-19 | 1999-07-27 | Lgc Wireless, Inc. | Centralized channel selection in a distributed RF antenna system |
US6014546A (en) * | 1996-04-19 | 2000-01-11 | Lgc Wireless, Inc. | Method and system providing RF distribution for fixed wireless local loop service |
US5983070A (en) * | 1996-04-19 | 1999-11-09 | Lgc Wireless, Inc. | Method and system providing increased antenna functionality in a RF distribution system |
US5924033A (en) * | 1996-05-03 | 1999-07-13 | Telefonaktiebolaget L/M Ericsson (Publ) | Communication control circuitry and method for a group of commonly-moving mobile transceiver units |
FI103467B1 (fi) * | 1996-07-25 | 1999-06-30 | Nokia Telecommunications Oy | Solun laajentaminen aikajakoisessa solukkojärjestelmässä |
JP2845265B2 (ja) * | 1996-09-06 | 1999-01-13 | 日本電気株式会社 | グループ通信方式 |
FI103630B (fi) * | 1996-10-03 | 1999-07-30 | Nokia Telecommunications Oy | Autonomisen laitteen ohjausmenetelmä ja autonominen laite |
DE19649853C2 (de) * | 1996-12-02 | 2001-02-01 | Deutsche Telekom Mobil | Repeater für Funksignale |
US5953637A (en) * | 1996-12-20 | 1999-09-14 | Airnet Communications Corporation | Time slot recovery for remote in-band translator in time division multiple access wireless system |
WO1998045956A1 (en) * | 1997-04-08 | 1998-10-15 | Lgc Wireless, Inc. | Rf distribution system providing fixed wireless local loop service and increased antenna functionality |
US6052558A (en) * | 1997-04-28 | 2000-04-18 | Motorola, Inc. | Networked repeater |
US5970408A (en) * | 1997-05-02 | 1999-10-19 | Telefonaktiebolaget L/M Ericsson (Publ) | Communication control circuitry and method for a group of commonly-moving mobile transceiver units |
US6151480A (en) * | 1997-06-27 | 2000-11-21 | Adc Telecommunications, Inc. | System and method for distributing RF signals over power lines within a substantially closed environment |
US6484012B1 (en) * | 1997-08-04 | 2002-11-19 | Wireless Facilities, Inc. | Inter-band communication repeater system |
US6041216A (en) * | 1998-01-07 | 2000-03-21 | Tunnel Radio Of America, Inc. | Radio communication system for use in tunnels |
JP2981880B2 (ja) * | 1998-04-23 | 1999-11-22 | 郵政省通信総合研究所長 | マルチモードサービス無線通信システム |
KR100270376B1 (ko) | 1998-08-19 | 2000-11-01 | 윤종용 | 무선데이터 서비스장치의 기능시험을 위한 회선 호 발생기 및기능시험 방법 |
US6778817B1 (en) * | 1998-12-01 | 2004-08-17 | Phonex Corporation | Method and system for combining wireless phone jack and RF wireless communications |
US6819945B1 (en) | 1998-12-31 | 2004-11-16 | At&T Corp. | Wireless centrex feature activation/deactivation |
US6654615B1 (en) | 1998-12-31 | 2003-11-25 | Albert Chow | Wireless centrex services |
US6631258B1 (en) | 1998-12-31 | 2003-10-07 | At&T Corp. | Busy call forwarding in a wireless centrex services system |
US6574470B1 (en) | 1998-12-31 | 2003-06-03 | At&T Corp. | Programmable ring-call forwarding in a wireless centrex services system |
US6374102B1 (en) | 1998-12-31 | 2002-04-16 | At+T Corp. | User proactive call handling |
US6618600B1 (en) | 1998-12-31 | 2003-09-09 | At&T Corp. | Distinctive ringing in a wireless centrex system |
US6771953B1 (en) | 1998-12-31 | 2004-08-03 | At&T Corp. | Wireless centrex call transfer |
US6961559B1 (en) | 1998-12-31 | 2005-11-01 | At&T Corp. | Distributed network voice messaging for wireless centrex telephony |
US6591115B1 (en) | 1998-12-31 | 2003-07-08 | At&T Corp. | Wireless centrex call hold |
US6738615B1 (en) | 1998-12-31 | 2004-05-18 | At&T Corp. | Wireless centrex caller ID |
US6745025B1 (en) | 1998-12-31 | 2004-06-01 | At&T Corp. | Time-of-day call forwarding in a wireless centrex services system |
US6587683B1 (en) | 1998-12-31 | 2003-07-01 | At&T Corp. | Unconditional call forwarding in a wireless centrex services system |
US6711401B1 (en) | 1998-12-31 | 2004-03-23 | At&T Corp. | Wireless centrex call return |
US6654603B1 (en) | 1998-12-31 | 2003-11-25 | At&T Corp. | Call waiting in a wireless centrex system |
US6643507B1 (en) | 1998-12-31 | 2003-11-04 | At&T Corp. | Wireless centrex automatic callback |
US6535730B1 (en) | 1998-12-31 | 2003-03-18 | At&T Corp. | Wireless centrex conference call adding a party |
US6606493B1 (en) | 1998-12-31 | 2003-08-12 | At&T Corp. | Wireless centrex conference call deleting a party |
US6778845B2 (en) | 1999-07-13 | 2004-08-17 | Tx Rx Systems Inc. | Antenna/coupler assembly for coaxial cable |
US6490443B1 (en) | 1999-09-02 | 2002-12-03 | Automated Business Companies | Communication and proximity authorization systems |
US6501942B1 (en) * | 1999-10-29 | 2002-12-31 | Qualcomm, Incorporated | In-building radio-frequency coverage |
US6647244B1 (en) * | 1999-11-16 | 2003-11-11 | The Whitaker Corporation | Wireless vehicular repeater system |
JP3864647B2 (ja) * | 1999-11-26 | 2007-01-10 | 株式会社日立製作所 | エレベータシステム |
US6697603B1 (en) * | 1999-12-13 | 2004-02-24 | Andrew Corporation | Digital repeater |
GB2357394A (en) * | 1999-12-15 | 2001-06-20 | Roke Manor Research | Modular component permitting transmission of radio signals through walls |
US6684055B1 (en) * | 2000-01-18 | 2004-01-27 | Otis Elevator Company | System for remotely communicating voice and data to and from an elevator controller |
JP2001223713A (ja) * | 2000-02-14 | 2001-08-17 | Yazaki Corp | 車内無線lanシステム |
US6842459B1 (en) | 2000-04-19 | 2005-01-11 | Serconet Ltd. | Network combining wired and non-wired segments |
IL152386A0 (en) * | 2000-04-25 | 2003-05-29 | Qualcomm Inc | Radio frequency coverage of enclosed regions |
US6449477B1 (en) | 2000-04-25 | 2002-09-10 | Qualcomm, Incorporated | Radio frequency coverage of an enclosed region by arrangement of transceivers within the region |
KR20010107015A (ko) * | 2000-05-24 | 2001-12-07 | 윤종용 | 피코 기지국의 무선신호 송수신 장치 |
FR2810189B1 (fr) * | 2000-06-09 | 2004-04-16 | Telediffusion Fse | Systeme de liaison radioelectrique en milieu confine entre terminaux de telephone mobile |
AU7360301A (en) * | 2000-06-16 | 2002-01-02 | Qualcomm Inc | Improved diversity coverage |
US20020028655A1 (en) * | 2000-07-14 | 2002-03-07 | Rosener Douglas K. | Repeater system |
US6704545B1 (en) * | 2000-07-19 | 2004-03-09 | Adc Telecommunications, Inc. | Point-to-multipoint digital radio frequency transport |
JPWO2002047201A1 (ja) * | 2000-12-04 | 2004-04-08 | 三菱電機株式会社 | 近距離用車載無線通信装置 |
US7085530B2 (en) * | 2001-02-01 | 2006-08-01 | Qualcomm, Incorporated | Dynamic capacity allocation of in-building system |
US7577451B2 (en) * | 2001-04-04 | 2009-08-18 | Intel Corporation | Extending personal area networks |
US6965773B2 (en) * | 2001-04-05 | 2005-11-15 | International Business Machines Corporation | Virtual cooperative network formed by local clients in zones without cellular services |
US7266429B2 (en) * | 2001-04-30 | 2007-09-04 | General Electric Company | Digitization of field engineering work processes at a gas turbine power plant through the use of portable computing devices operable in an on-site wireless local area network |
US8515339B2 (en) | 2001-05-10 | 2013-08-20 | Qualcomm Incorporated | Method and an apparatus for installing a communication system using active combiner/splitters |
US6895218B2 (en) | 2001-10-11 | 2005-05-17 | Sprint Spectrum L.P. | Method for in-building distribution using wireless access technology |
IT1403065B1 (it) | 2010-12-01 | 2013-10-04 | Andrew Wireless Systems Gmbh | Distributed antenna system for mimo signals. |
US20030104781A1 (en) * | 2001-12-03 | 2003-06-05 | Son O. Sung | Modular residential radio frequency converting repeater |
US20030185289A1 (en) * | 2001-12-07 | 2003-10-02 | Koninklijke Philips Electronics N.V. | Cordless modem for portable computers |
US8184603B2 (en) | 2002-01-31 | 2012-05-22 | Lgc Wireless, Llc | Communication system having a community wireless local area network for voice and high speed data communication |
US6904266B1 (en) | 2002-02-19 | 2005-06-07 | Navini Networks, Inc. | Wireless enhancer using a switch matrix |
US7184728B2 (en) * | 2002-02-25 | 2007-02-27 | Adc Telecommunications, Inc. | Distributed automatic gain control system |
JP3912509B2 (ja) * | 2002-06-24 | 2007-05-09 | 日本電気株式会社 | 移動通信システム、無線切替方法、移動基地局、及び携帯端末機 |
KR20040025083A (ko) * | 2002-09-18 | 2004-03-24 | 셀레콤 주식회사 | 안테나 내장형 중계기 시스템 |
US6904280B2 (en) * | 2002-11-14 | 2005-06-07 | Northrop Grumman Corporation | Communication system with mobile coverage area |
US8958789B2 (en) | 2002-12-03 | 2015-02-17 | Adc Telecommunications, Inc. | Distributed digital antenna system |
CN1182739C (zh) * | 2003-01-28 | 2004-12-29 | 大唐移动通信设备有限公司 | 移动通信系统的接力通信设备及其通信方法 |
US7283020B2 (en) * | 2003-03-04 | 2007-10-16 | Nokia Corporation | Signal extracting arrangement |
US7555261B2 (en) | 2003-03-04 | 2009-06-30 | O'neill Frank P | Repeater system for strong signal environments |
US6993287B2 (en) | 2003-03-04 | 2006-01-31 | Four Bars Clarity, Llc | Repeater system for strong signal environments |
IL154921A (en) * | 2003-03-13 | 2011-02-28 | Mosaid Technologies Inc | A telephone system that includes many separate sources and accessories for it |
EP1605718A1 (en) * | 2003-03-14 | 2005-12-14 | Fujitsu Limited | Parent mobile device, child mobile device, home location register device, and mobile switching center |
BRPI0318597A8 (pt) * | 2003-11-28 | 2017-10-10 | Consistel Pte Ltd | Sistema de comunicação sem fio e sistema de elevador que tem o mesmo |
EP1719086B1 (en) * | 2004-01-27 | 2013-03-27 | Richard Harry Turner | Method and apparatus for detection and tracking of objects within a defined area |
IL161869A (en) | 2004-05-06 | 2014-05-28 | Serconet Ltd | A system and method for carrying a signal originating is wired using wires |
WO2006080693A1 (en) * | 2004-10-06 | 2006-08-03 | Ktfreetel Co., Ltd. | Method for mobile communication service using dedicated frequency and apparatus thereof |
US20060105705A1 (en) * | 2004-11-16 | 2006-05-18 | Andrew Corporation | Consumer installer repeater for wireless communication |
US20100176918A1 (en) * | 2005-01-21 | 2010-07-15 | Turner Richard H | Identification and tracking of information stored on radio frequency identification devices |
US20070008939A1 (en) | 2005-06-10 | 2007-01-11 | Adc Telecommunications, Inc. | Providing wireless coverage into substantially closed environments |
US7813451B2 (en) * | 2006-01-11 | 2010-10-12 | Mobileaccess Networks Ltd. | Apparatus and method for frequency shifting of a wireless signal and systems using frequency shifting |
US7599711B2 (en) | 2006-04-12 | 2009-10-06 | Adc Telecommunications, Inc. | Systems and methods for analog transport of RF voice/data communications |
US7805073B2 (en) * | 2006-04-28 | 2010-09-28 | Adc Telecommunications, Inc. | Systems and methods of optical path protection for distributed antenna systems |
US7844273B2 (en) * | 2006-07-14 | 2010-11-30 | Lgc Wireless, Inc. | System for and method of for providing dedicated capacity in a cellular network |
GB0614543D0 (en) | 2006-07-21 | 2006-08-30 | Vodafone Plc | RF Distribution |
GB0614542D0 (en) | 2006-07-21 | 2006-08-30 | Vodafone Plc | RF Distribution Spreading |
US7848770B2 (en) * | 2006-08-29 | 2010-12-07 | Lgc Wireless, Inc. | Distributed antenna communications system and methods of implementing thereof |
US7817958B2 (en) * | 2006-12-22 | 2010-10-19 | Lgc Wireless Inc. | System for and method of providing remote coverage area for wireless communications |
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 |
EP1959696A1 (en) * | 2007-02-14 | 2008-08-20 | Mitsubishi Electric Information Technology Centre Europe B.V. | Device and method for enabling the reception, by a mobile terminal located in a moving conveyance of signals transferred in at least a first and a second cells of a wireless cellular telecommunication network |
US8005050B2 (en) * | 2007-03-23 | 2011-08-23 | Lgc Wireless, Inc. | Localization of a mobile device in distributed antenna communications system |
US8010116B2 (en) * | 2007-06-26 | 2011-08-30 | Lgc Wireless, Inc. | Distributed antenna communications system |
US8725188B1 (en) * | 2007-07-20 | 2014-05-13 | Kutta Technologies, Inc. | Enclosed space communication systems and related methods |
WO2009015101A1 (en) * | 2007-07-20 | 2009-01-29 | Limbaugh Douglas V | Enclosed space communication systems and related methods |
US9112547B2 (en) * | 2007-08-31 | 2015-08-18 | Adc Telecommunications, Inc. | System for and method of configuring distributed antenna communications system |
WO2009053910A2 (en) | 2007-10-22 | 2009-04-30 | Mobileaccess Networks Ltd. | Communication system using low bandwidth wires |
US8175649B2 (en) | 2008-06-20 | 2012-05-08 | Corning Mobileaccess Ltd | Method and system for real time control of an active antenna over a distributed antenna system |
US8090313B2 (en) * | 2008-03-27 | 2012-01-03 | Broadcom Corporation | Method and system for frequency-shift based chip-to-chip communications |
WO2010089719A1 (en) | 2009-02-08 | 2010-08-12 | Mobileaccess Networks Ltd. | Communication system using cables carrying ethernet signals |
US8676214B2 (en) * | 2009-02-12 | 2014-03-18 | Adc Telecommunications, Inc. | Backfire distributed antenna system (DAS) with delayed transport |
US9179475B2 (en) | 2009-03-20 | 2015-11-03 | Innovative Wireless Technologies, Inc. | Distributed ad hoc mesh network protocol for underground mine and hazardous area communications |
WO2010107440A1 (en) | 2009-03-20 | 2010-09-23 | Innovative Wireless Technologies, Inc. | Method and apparatus for reliable communications in underground and hazardous areas |
US8346091B2 (en) | 2009-04-29 | 2013-01-01 | Andrew Llc | Distributed antenna system for wireless network systems |
US9001811B2 (en) | 2009-05-19 | 2015-04-07 | Adc Telecommunications, Inc. | Method of inserting CDMA beacon pilots in output of distributed remote antenna nodes |
US9031605B2 (en) * | 2010-03-04 | 2015-05-12 | Ipcomm | Mobile femto-cell in a wireless safety network |
US8428510B2 (en) * | 2010-03-25 | 2013-04-23 | Adc Telecommunications, Inc. | Automatic gain control configuration for a wideband distributed antenna system |
US9525488B2 (en) | 2010-05-02 | 2016-12-20 | Corning Optical Communications LLC | Digital data services and/or power distribution in optical fiber-based distributed communications systems providing digital data and radio frequency (RF) communications services, and related components and methods |
US20110268446A1 (en) | 2010-05-02 | 2011-11-03 | Cune William P | Providing digital data services in optical fiber-based distributed radio frequency (rf) communications systems, and related components and methods |
US8472579B2 (en) | 2010-07-28 | 2013-06-25 | Adc Telecommunications, Inc. | Distributed digital reference clock |
WO2012024247A1 (en) | 2010-08-16 | 2012-02-23 | Corning Cable Systems Llc | Remote antenna clusters and related systems, components, and methods supporting digital data signal propagation between remote antenna units |
US9252874B2 (en) | 2010-10-13 | 2016-02-02 | Ccs Technology, Inc | Power management for remote antenna units in distributed antenna systems |
US8532242B2 (en) | 2010-10-27 | 2013-09-10 | Adc Telecommunications, Inc. | Distributed antenna system with combination of both all digital transport and hybrid digital/analog transport |
CN203504582U (zh) | 2011-02-21 | 2014-03-26 | 康宁光缆系统有限责任公司 | 一种分布式天线系统及用于在其中分配电力的电源装置 |
US8948690B2 (en) * | 2011-09-21 | 2015-02-03 | Empire Technology Development Llc | Doppler-nulling traveling-wave antenna relays for high-speed vehicular communications |
US8693342B2 (en) | 2011-10-28 | 2014-04-08 | Adc Telecommunications, Inc. | Distributed antenna system using time division duplexing scheme |
CN102611467A (zh) * | 2012-03-08 | 2012-07-25 | 魏凡杰 | 电梯内接收无线信号的接收系统及方法 |
EP2829152A2 (en) | 2012-03-23 | 2015-01-28 | Corning Optical Communications Wireless Ltd. | Radio-frequency integrated circuit (rfic) chip(s) for providing distributed antenna system functionalities, and related components, systems, and methods |
EP3783851A1 (en) | 2012-10-31 | 2021-02-24 | CommScope Technologies LLC | Digital baseband transport in distributed antenna systems |
US9178636B2 (en) | 2013-02-22 | 2015-11-03 | Adc Telecommunications, Inc. | Universal remote radio head |
CN110212974B (zh) | 2013-02-22 | 2022-10-04 | Adc电信股份有限公司 | 来自于分布式天线系统的基站网络接口的主基准 |
US9787457B2 (en) | 2013-10-07 | 2017-10-10 | Commscope Technologies Llc | Systems and methods for integrating asynchronous signals in distributed antenna system with direct digital interface to base station |
US9577922B2 (en) | 2014-02-18 | 2017-02-21 | Commscope Technologies Llc | Selectively combining uplink signals in distributed antenna systems |
AU2015274511B2 (en) | 2014-06-11 | 2019-08-15 | Outdoor Wireless Networks LLC | Bitrate efficient transport through distributed antenna systems |
WO2016006798A1 (ko) * | 2014-07-10 | 2016-01-14 | 엘지전자 주식회사 | 무선 통신 시스템에서 기지국과 동기화를 수행하는 방법 및 이를 위한 장치 |
US9184960B1 (en) | 2014-09-25 | 2015-11-10 | Corning Optical Communications Wireless Ltd | Frequency shifting a communications signal(s) in a multi-frequency distributed antenna system (DAS) to avoid or reduce frequency interference |
US10659163B2 (en) | 2014-09-25 | 2020-05-19 | Corning Optical Communications LLC | Supporting analog remote antenna units (RAUs) in digital distributed antenna systems (DASs) using analog RAU digital adaptors |
WO2016071902A1 (en) | 2014-11-03 | 2016-05-12 | Corning Optical Communications Wireless Ltd. | Multi-band monopole planar antennas configured to facilitate improved radio frequency (rf) isolation in multiple-input multiple-output (mimo) antenna arrangement |
WO2016075696A1 (en) | 2014-11-13 | 2016-05-19 | Corning Optical Communications Wireless Ltd. | Analog distributed antenna systems (dass) supporting distribution of digital communications signals interfaced from a digital signal source and analog radio frequency (rf) communications signals |
WO2016090211A1 (en) * | 2014-12-05 | 2016-06-09 | Murata Manufacturing Co., Ltd. | System, method, and module for rf-signal coverage for automotive vehicles |
WO2016098111A1 (en) | 2014-12-18 | 2016-06-23 | Corning Optical Communications Wireless Ltd. | Digital- analog interface modules (da!ms) for flexibly.distributing digital and/or analog communications signals in wide-area analog distributed antenna systems (dass) |
WO2016098109A1 (en) | 2014-12-18 | 2016-06-23 | Corning Optical Communications Wireless Ltd. | Digital interface modules (dims) for flexibly distributing digital and/or analog communications signals in wide-area analog distributed antenna systems (dass) |
US10499269B2 (en) | 2015-11-12 | 2019-12-03 | Commscope Technologies Llc | Systems and methods for assigning controlled nodes to channel interfaces of a controller |
CN109328438B (zh) | 2016-06-14 | 2022-03-04 | 通力股份公司 | 增强的电梯无线电信号覆盖 |
US10728770B2 (en) | 2018-05-01 | 2020-07-28 | Tunnel Radio Of America, Inc. | Remotely-controlled distributed antenna system for railroad tunnels employing software defined amplifiers |
WO2020090682A1 (ja) * | 2018-10-31 | 2020-05-07 | 株式会社村田製作所 | 電波中継器及び通信システム |
EP3892039A4 (en) | 2018-12-04 | 2022-08-17 | CommScope Technologies LLC | DISTRIBUTED ANTENNA SYSTEM FOR USE ALONG A RAILWAY TRACK |
JP7295659B2 (ja) * | 2019-03-05 | 2023-06-21 | 古河電気工業株式会社 | 移動通信システム |
FR3109042A1 (fr) * | 2020-04-01 | 2021-10-08 | Schneider Electric Industries Sas | Système de communication sans fil |
CN115278575B (zh) * | 2022-09-26 | 2023-03-14 | 深圳国人无线通信有限公司 | 实现电梯移动网络信号覆盖的方法和系统 |
Family Cites Families (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1235888A (en) * | 1967-08-17 | 1971-06-16 | Sumitomo Electric Industries | Improvements in or relating to radio transmission systems for communication with moving bodies |
GB1371291A (en) * | 1972-05-09 | 1974-10-23 | Coal Industry Patents Ltd | Radio frequency communication systems |
BE799885R (fr) * | 1972-05-26 | 1973-09-17 | Thomson Csf | Perfectionnements aux dispositifs d'intercommunication a rayonnement limite, |
GB1485156A (en) * | 1974-08-07 | 1977-09-08 | Coal Ind | Radiating line telecommunication systems |
JPS5261902A (en) * | 1975-11-18 | 1977-05-21 | Hitachi Cable Ltd | Moving object communication system |
JPS5627540A (en) * | 1979-08-14 | 1981-03-17 | Toyo Commun Equip Co Ltd | Single-frequency special radio communication system |
US4363763A (en) * | 1980-02-25 | 1982-12-14 | The Procter & Gamble Company | Polyol esters of alpha-hydroxy carboxylic acids |
US4476574A (en) * | 1980-09-17 | 1984-10-09 | The United States Of America As Represented By The United States Department Of Energy | Radio frequency communication system utilizing radiating transmission lines |
US4777652A (en) * | 1982-07-27 | 1988-10-11 | A.R.F. Products | Radio communication systems for underground mines |
GB2160074A (en) * | 1984-06-05 | 1985-12-11 | Allan Peter Glover | Radio signal transmission and reception system |
JPS617736A (ja) * | 1984-06-22 | 1986-01-14 | Nec Corp | 無線中継方式 |
DE3621990C2 (de) * | 1985-07-18 | 1993-12-09 | Man Technologie Gmbh | Kommunikationsvorrichtung innerhalb von Fahrzeugen |
US4754450A (en) * | 1986-03-25 | 1988-06-28 | Motorola, Inc. | TDM communication system for efficient spectrum utilization |
US4742514A (en) * | 1986-03-25 | 1988-05-03 | Motorola, Inc. | Method and apparatus for controlling a TDM communication device |
EP0538546B1 (en) * | 1986-03-25 | 2004-06-23 | Motorola Inc. | Method and apparatus for controlling a TDM communication device |
US4718108A (en) * | 1986-05-19 | 1988-01-05 | Motorola, Inc. | Improved multiple site communication system |
US4873711A (en) * | 1986-10-10 | 1989-10-10 | Motorola, Inc. | Method and apparatus for remote talk/listen communication system |
JPH01288022A (ja) * | 1988-05-13 | 1989-11-20 | Shimizu Corp | 電磁遮蔽空間への外来電波再放射システム |
US5058201A (en) * | 1988-06-07 | 1991-10-15 | Oki Electric Industry Co., Ltd. | Mobile telecommunications system using distributed miniature zones |
JPH0279630A (ja) * | 1988-09-16 | 1990-03-20 | Mitsubishi Electric Corp | 中波再放送装置 |
US4972505A (en) * | 1988-12-06 | 1990-11-20 | Isberg Reuben A | Tunnel distributed cable antenna system with signal top coupling approximately same radiated energy |
JPH02160074A (ja) * | 1988-12-12 | 1990-06-20 | Tokyo Electron Ltd | 塗布装置の制御方法 |
US5010583A (en) * | 1989-10-02 | 1991-04-23 | Motorola, Inc. | Repeater for a wide area coverage system |
US5047762A (en) * | 1989-12-06 | 1991-09-10 | Motorola, Inc. | Method and apparatus for increasing co-channel utilization in a multi-station data communications network with overlapping coverage |
AU632891B2 (en) * | 1990-01-18 | 1993-01-14 | Andrew Corporation | Distributed amplifier network management system |
US5187803A (en) * | 1990-01-18 | 1993-02-16 | Andrew Corporation | Regenerative rf bi-directional amplifier system |
US5187806A (en) * | 1990-02-16 | 1993-02-16 | Johnson Edward R | Apparatus and method for expanding cellular system capacity |
US5018165A (en) * | 1990-03-21 | 1991-05-21 | Andrew Corporation | Communication system using spread spectrum and leaky transmission line |
JPH0479617A (ja) * | 1990-07-20 | 1992-03-13 | Yoshiyuki Uchida | 地下空間への情報提供システム |
US5404570A (en) * | 1992-11-23 | 1995-04-04 | Telefonaktiebolaget L M Ericsson | Radio coverage in closed environments |
-
1992
- 1992-11-23 US US07/979,909 patent/US5404570A/en not_active Expired - Lifetime
-
1993
- 1993-11-19 WO PCT/SE1993/000992 patent/WO1994013067A1/en active IP Right Grant
- 1993-11-19 JP JP51303794A patent/JP3386811B2/ja not_active Expired - Lifetime
- 1993-11-19 DE DE69331572T patent/DE69331572D1/de not_active Expired - Lifetime
- 1993-11-19 SG SG1996008189A patent/SG49242A1/en unknown
- 1993-11-19 NZ NZ258262A patent/NZ258262A/en unknown
- 1993-11-19 EP EP94901124A patent/EP0623261B1/en not_active Expired - Lifetime
- 1993-11-19 CA CA002128107A patent/CA2128107A1/en not_active Abandoned
- 1993-11-19 US US08/256,728 patent/US5603080A/en not_active Expired - Lifetime
- 1993-11-19 AU AU55818/94A patent/AU668798B2/en not_active Ceased
- 1993-11-23 MY MYPI93002451A patent/MY130078A/en unknown
- 1993-11-23 TW TW082109835A patent/TW255080B/zh active
- 1993-11-23 CN CN93114832A patent/CN1092571A/zh active Pending
-
1994
- 1994-07-22 KR KR1019940702523A patent/KR950700644A/ko not_active Ceased
- 1994-07-22 FI FI943476A patent/FI943476A7/fi not_active Application Discontinuation
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WO1994013067A1 (en) | 1994-06-09 |
CA2128107A1 (en) | 1994-06-09 |
US5603080A (en) | 1997-02-11 |
FI943476A7 (fi) | 1994-09-21 |
KR950700644A (ko) | 1995-01-16 |
JPH07507189A (ja) | 1995-08-03 |
FI943476A0 (fi) | 1994-07-22 |
US5404570A (en) | 1995-04-04 |
SG49242A1 (en) | 1998-05-18 |
AU668798B2 (en) | 1996-05-16 |
EP0623261B1 (en) | 2002-02-13 |
MY130078A (en) | 2007-05-31 |
CN1092571A (zh) | 1994-09-21 |
DE69331572D1 (de) | 2002-03-21 |
NZ258262A (en) | 1996-07-26 |
EP0623261A1 (en) | 1994-11-09 |
TW255080B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1995-08-21 |
AU5581894A (en) | 1994-06-22 |
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