WO1997037441A1 - Method and apparatus for polarization diversity in a base station using a plurality of reception antennas - Google Patents
Method and apparatus for polarization diversity in a base station using a plurality of reception antennas Download PDFInfo
- Publication number
- WO1997037441A1 WO1997037441A1 PCT/US1997/005105 US9705105W WO9737441A1 WO 1997037441 A1 WO1997037441 A1 WO 1997037441A1 US 9705105 W US9705105 W US 9705105W WO 9737441 A1 WO9737441 A1 WO 9737441A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- receive
- polarization
- coverage area
- channel
- antenna
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/061—Two dimensional planar arrays
- H01Q21/065—Patch antenna array
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/08—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/20—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
- H01Q21/205—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path providing an omnidirectional coverage
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
- H01Q9/0421—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with a shorting wall or a shorting pin at one end of the element
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
- H01Q9/0428—Substantially flat resonant element parallel to ground plane, e.g. patch antenna radiating a circular polarised wave
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
- H01Q9/0428—Substantially flat resonant element parallel to ground plane, e.g. patch antenna radiating a circular polarised wave
- H01Q9/0435—Substantially flat resonant element parallel to ground plane, e.g. patch antenna radiating a circular polarised wave using two feed points
-
- 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
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
-
- 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
- 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
- H04B7/10—Polarisation diversity; Directional diversity
-
- 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
-
- 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
-
- 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
- H04W16/28—Cell structures using beam steering
-
- 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
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
- H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA 2245737 CA2245737A1 (en) | 1996-04-03 | 1997-03-27 | Method and apparatus for polarization diversity in a base station using a plurality of reception antennas |
JP9535455A JP2000505633A (en) | 1996-04-03 | 1997-03-27 | Broadband digitization system and method for cellular radiotelephone |
EP97917097A EP0891658A1 (en) | 1996-04-03 | 1997-03-27 | Method and apparatus for polarization diversity in a base station using a plurality of reception antennas |
AU25535/97A AU712156B2 (en) | 1996-04-03 | 1997-03-27 | Wideband digitization systems and methods for cellular radiotelephones |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/627,956 US5832389A (en) | 1994-03-24 | 1996-04-03 | Wideband digitization systems and methods for cellular radiotelephones |
US08/627,956 | 1996-04-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1997037441A1 true WO1997037441A1 (en) | 1997-10-09 |
WO1997037441A9 WO1997037441A9 (en) | 1998-02-26 |
Family
ID=24516819
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1997/005105 WO1997037441A1 (en) | 1996-04-03 | 1997-03-27 | Method and apparatus for polarization diversity in a base station using a plurality of reception antennas |
Country Status (5)
Country | Link |
---|---|
US (1) | US5832389A (en) |
EP (1) | EP0891658A1 (en) |
JP (1) | JP2000505633A (en) |
AU (1) | AU712156B2 (en) |
WO (1) | WO1997037441A1 (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0874474A2 (en) * | 1997-04-21 | 1998-10-28 | Motorola, Inc. | Communication system and method for recovery signals utilizing separation techniques |
FR2789807A1 (en) * | 1999-02-17 | 2000-08-18 | Nortel Matra Cellular | Cellular mobile radio polarisation diversity base station having transmitters/hybrid couplers vertical/horizontal polarisation dividing and received orthogonal signals hybrid couplers single output combined. |
WO2001063799A1 (en) * | 2000-02-25 | 2001-08-30 | Matsushita Electric Industrial Co., Ltd. | Method and apparatus for radio communication using array antenna |
CN1103155C (en) * | 1996-11-27 | 2003-03-12 | Lg情报通信株式会社 | Data control system in CDMA mobile communication system |
GB2382928A (en) * | 2001-11-23 | 2003-06-11 | Qinetiq Ltd | Antenna Assembly |
WO2005069667A1 (en) * | 2004-01-12 | 2005-07-28 | Intel Corporation | Channel specification apparatus, systems, and methods |
US7315577B2 (en) | 2003-09-15 | 2008-01-01 | Intel Corporation | Multiple antenna systems and method using high-throughput space-frequency block codes |
US7440510B2 (en) | 2003-09-15 | 2008-10-21 | Intel Corporation | Multicarrier transmitter, multicarrier receiver, and methods for communicating multiple spatial signal streams |
EP2034623A1 (en) * | 2007-09-05 | 2009-03-11 | Nokia Siemens Networks Oy | Adaptive adjustment of an antenna arrangement for exploiting polarization and/or beamforming separation |
WO2012080327A1 (en) * | 2010-12-15 | 2012-06-21 | Hirschmann Car Communication Gmbh | Wideband sampling with phase diversity |
Families Citing this family (71)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6144711A (en) * | 1996-08-29 | 2000-11-07 | Cisco Systems, Inc. | Spatio-temporal processing for communication |
US6900775B2 (en) * | 1997-03-03 | 2005-05-31 | Celletra Ltd. | Active antenna array configuration and control for cellular communication systems |
AU6228898A (en) * | 1997-03-03 | 1998-09-22 | Joseph Shapira | Cellular communications systems |
US6519478B1 (en) * | 1997-09-15 | 2003-02-11 | Metawave Communications Corporation | Compact dual-polarized adaptive antenna array communication method and apparatus |
US6760603B1 (en) * | 1997-09-15 | 2004-07-06 | Kathrein-Werke Kg | Compact dual-polarized adaptive antenna array communication method and apparatus |
US6061336A (en) * | 1997-09-30 | 2000-05-09 | Qualcomm Incorporated | Polarization enhanced CDMA communication system |
US6952585B1 (en) * | 1997-11-19 | 2005-10-04 | Ericsson Inc. | Multi-channel communication system for wireless local loop communication |
US7130291B1 (en) | 1997-11-26 | 2006-10-31 | Lg Electronics, Inc. | Data control system in CDMA mobile communication system providing mobile data and voice service |
JP3156768B2 (en) * | 1998-01-21 | 2001-04-16 | 日本電気株式会社 | Cellular base station and position locating device mounted on it |
KR100257184B1 (en) * | 1998-01-31 | 2000-05-15 | 정장호 | Optic relay system for extending coverage |
EP1099276A1 (en) * | 1998-06-26 | 2001-05-16 | Racal Antennas Limited | Signal coupling methods and arrangements |
US6253094B1 (en) * | 1998-07-09 | 2001-06-26 | Airnet Communications Corporation | Sectorized cell having non-redundant broadband processing unit |
EP1034624B1 (en) * | 1998-08-05 | 2008-03-05 | Samsung Electronics Co., Ltd. | Device and method for diversity combining signals on common channel in CDMA communication system |
US6229486B1 (en) * | 1998-09-10 | 2001-05-08 | David James Krile | Subscriber based smart antenna |
US6542746B1 (en) * | 1998-10-09 | 2003-04-01 | Nortel Networks Limited | Frequency reuse scheme for point to multipoint radio communication |
US6311068B1 (en) | 1998-10-19 | 2001-10-30 | At&T Corp. | Method and apparatus for a high-capacity cellular network by improved sectorization and interleaved channel assignment |
US6442507B1 (en) | 1998-12-29 | 2002-08-27 | Wireless Communications, Inc. | System for creating a computer model and measurement database of a wireless communication network |
US6362787B1 (en) | 1999-04-26 | 2002-03-26 | Andrew Corporation | Lightning protection for an active antenna using patch/microstrip elements |
US6701137B1 (en) | 1999-04-26 | 2004-03-02 | Andrew Corporation | Antenna system architecture |
US6812905B2 (en) | 1999-04-26 | 2004-11-02 | Andrew Corporation | Integrated active antenna for multi-carrier applications |
US6621469B2 (en) | 1999-04-26 | 2003-09-16 | Andrew Corporation | Transmit/receive distributed antenna systems |
US6583763B2 (en) | 1999-04-26 | 2003-06-24 | Andrew Corporation | Antenna structure and installation |
US6493679B1 (en) * | 1999-05-26 | 2002-12-10 | Wireless Valley Communications, Inc. | Method and system for managing a real time bill of materials |
US6850946B1 (en) * | 1999-05-26 | 2005-02-01 | Wireless Valley Communications, Inc. | Method and system for a building database manipulator |
US6317599B1 (en) * | 1999-05-26 | 2001-11-13 | Wireless Valley Communications, Inc. | Method and system for automated optimization of antenna positioning in 3-D |
US7243054B2 (en) | 1999-07-14 | 2007-07-10 | Wireless Valley Communications, Inc. | Method and system for displaying network performance, cost, maintenance, and infrastructure wiring diagram |
US6499006B1 (en) * | 1999-07-14 | 2002-12-24 | Wireless Valley Communications, Inc. | System for the three-dimensional display of wireless communication system performance |
EP1278871A2 (en) * | 2000-04-29 | 2003-01-29 | MERCK PATENT GmbH | Human phospholipase c delta 5 |
US6577879B1 (en) * | 2000-06-21 | 2003-06-10 | Telefonaktiebolaget Lm Ericsson (Publ) | System and method for simultaneous transmission of signals in multiple beams without feeder cable coherency |
US6522307B2 (en) * | 2000-07-14 | 2003-02-18 | Lg Electronics Inc. | Antenna sharing apparatus of base station in W-CDMA system |
US6323823B1 (en) * | 2000-07-17 | 2001-11-27 | Metawave Communications Corporation | Base station clustered adaptive antenna array |
US6971063B1 (en) | 2000-07-28 | 2005-11-29 | Wireless Valley Communications Inc. | System, method, and apparatus for portable design, deployment, test, and optimization of a communication network |
US7096173B1 (en) | 2000-08-04 | 2006-08-22 | Motorola, Inc. | Method and system for designing or deploying a communications network which allows simultaneous selection of multiple components |
US6625454B1 (en) | 2000-08-04 | 2003-09-23 | Wireless Valley Communications, Inc. | Method and system for designing or deploying a communications network which considers frequency dependent effects |
US7085697B1 (en) | 2000-08-04 | 2006-08-01 | Motorola, Inc. | Method and system for designing or deploying a communications network which considers component attributes |
US7246045B1 (en) | 2000-08-04 | 2007-07-17 | Wireless Valley Communication, Inc. | System and method for efficiently visualizing and comparing communication network system performance |
US7680644B2 (en) | 2000-08-04 | 2010-03-16 | Wireless Valley Communications, Inc. | Method and system, with component kits, for designing or deploying a communications network which considers frequency dependent effects |
US7055107B1 (en) | 2000-09-22 | 2006-05-30 | Wireless Valley Communications, Inc. | Method and system for automated selection of optimal communication network equipment model, position, and configuration |
US6973622B1 (en) | 2000-09-25 | 2005-12-06 | Wireless Valley Communications, Inc. | System and method for design, tracking, measurement, prediction and optimization of data communication networks |
US6697643B1 (en) * | 2000-10-13 | 2004-02-24 | Telefonaktiebolaget Lm Ericsson (Publ) | System and method for implementing a multi-beam antenna without duplex filters within a base station |
US7953446B2 (en) * | 2000-12-11 | 2011-05-31 | Nortel Networks Limited | Antenna systems with common overhead for CDMA base stations |
US8504109B2 (en) | 2000-12-11 | 2013-08-06 | Apple Inc. | Antenna systems with common overhead for CDMA base stations |
AU3072902A (en) | 2000-12-18 | 2002-07-01 | Wireless Valley Comm Inc | Textual and graphical demarcation of location, and interpretation of measurements |
US7164883B2 (en) | 2001-02-14 | 2007-01-16 | Motorola. Inc. | Method and system for modeling and managing terrain, buildings, and infrastructure |
JP2003032163A (en) * | 2001-07-12 | 2003-01-31 | Matsushita Electric Ind Co Ltd | Wireless communication device, wireless communication method and wireless base station device |
US7574323B2 (en) | 2001-12-17 | 2009-08-11 | Wireless Valley Communications, Inc. | Textual and graphical demarcation of location, and interpretation of measurements |
US7181245B2 (en) * | 2002-06-27 | 2007-02-20 | Nortel Networks Limited | Wireless transmitter, transceiver and method |
US6983174B2 (en) | 2002-09-18 | 2006-01-03 | Andrew Corporation | Distributed active transmit and/or receive antenna |
US6963314B2 (en) * | 2002-09-26 | 2005-11-08 | Andrew Corporation | Dynamically variable beamwidth and variable azimuth scanning antenna |
US6809694B2 (en) * | 2002-09-26 | 2004-10-26 | Andrew Corporation | Adjustable beamwidth and azimuth scanning antenna with dipole elements |
US6906681B2 (en) * | 2002-09-27 | 2005-06-14 | Andrew Corporation | Multicarrier distributed active antenna |
US6844863B2 (en) | 2002-09-27 | 2005-01-18 | Andrew Corporation | Active antenna with interleaved arrays of antenna elements |
US7280848B2 (en) | 2002-09-30 | 2007-10-09 | Andrew Corporation | Active array antenna and system for beamforming |
US7203488B2 (en) * | 2002-11-08 | 2007-04-10 | Louis Luneau | Flexible software radio transceiver |
US7295119B2 (en) | 2003-01-22 | 2007-11-13 | Wireless Valley Communications, Inc. | System and method for indicating the presence or physical location of persons or devices in a site specific representation of a physical environment |
TWI247490B (en) * | 2003-03-25 | 2006-01-11 | Buffalo Inc | Access point |
US6972622B2 (en) | 2003-05-12 | 2005-12-06 | Andrew Corporation | Optimization of error loops in distributed power amplifiers |
US7053853B2 (en) * | 2003-06-26 | 2006-05-30 | Skypilot Network, Inc. | Planar antenna for a wireless mesh network |
US7196594B2 (en) * | 2004-01-29 | 2007-03-27 | Triquint, Inc. | Surface acoustic wave duplexer having enhanced isolation performance |
US7729726B2 (en) * | 2004-03-26 | 2010-06-01 | Nortel Networks Limited | Feeder cable reduction |
US8135086B1 (en) | 2004-08-09 | 2012-03-13 | Rockstar Bidco, LP | Cable reduction |
US7480502B2 (en) | 2005-11-15 | 2009-01-20 | Clearone Communications, Inc. | Wireless communications device with reflective interference immunity |
US7446714B2 (en) * | 2005-11-15 | 2008-11-04 | Clearone Communications, Inc. | Anti-reflective interference antennas with radially-oriented elements |
US7333068B2 (en) * | 2005-11-15 | 2008-02-19 | Clearone Communications, Inc. | Planar anti-reflective interference antennas with extra-planar element extensions |
US8452333B2 (en) * | 2005-12-12 | 2013-05-28 | Apple Inc. | Feeder cable reduction |
KR100891789B1 (en) * | 2006-01-04 | 2009-04-07 | 삼성전자주식회사 | Apparatus and method for duplex in a wireless communication system |
US7796683B2 (en) * | 2006-09-28 | 2010-09-14 | Broadcom Corporation | RF transceiver with power optimization |
US20080238621A1 (en) * | 2007-03-30 | 2008-10-02 | Broadcom Corporation | Multi-mode rfid reader architecture |
US9331771B2 (en) | 2010-09-28 | 2016-05-03 | Aviat U.S., Inc. | Systems and methods for wireless communication using polarization diversity |
US9639906B2 (en) * | 2013-03-12 | 2017-05-02 | Hm Electronics, Inc. | System and method for wideband audio communication with a quick service restaurant drive-through intercom |
BR112018013831A2 (en) * | 2016-01-27 | 2018-12-11 | Starry Inc | high frequency wireless access network |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4597105A (en) * | 1982-11-12 | 1986-06-24 | Motorola Inc. | Data communications system having overlapping receiver coverage zones |
EP0591770A2 (en) * | 1992-10-03 | 1994-04-13 | Motorola Ltd | Sectorized cellular radio base station antenna |
EP0650268A1 (en) * | 1993-10-20 | 1995-04-26 | AT&T Corp. | System for radio transmission using a wideband adaptive array and frequency-domain processing |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3956699A (en) * | 1974-07-22 | 1976-05-11 | Westinghouse Electric Corporation | Electromagnetic wave communication system with variable polarization |
US4072956A (en) * | 1976-05-17 | 1978-02-07 | The United States Of America As Represented By The Secretary Of The Navy | Multifrequency array using common phasors |
US4128740A (en) * | 1977-02-14 | 1978-12-05 | Motorola, Inc. | Antenna array for a cellular RF communications system |
US4101836A (en) * | 1977-05-02 | 1978-07-18 | Motorola, Inc. | Sectored antenna receiving system |
US4204093A (en) * | 1978-05-19 | 1980-05-20 | Bell Telephone Laboratories, Incorporated | Variable frame rate technique for use in a time-division multiple access (TDMA) communication system |
US4630316A (en) * | 1982-12-14 | 1986-12-16 | Vaughan Thomas J | Transition between rectangular and relatively large circular waveguide for a UHF broadcast antenna |
US4814773A (en) * | 1983-05-11 | 1989-03-21 | Hughes Aircraft Company | Fiber optic feed network for radar |
US4849990A (en) * | 1985-06-05 | 1989-07-18 | Fumio Ikegami | Digital communication system |
US4724441A (en) * | 1986-05-23 | 1988-02-09 | Ball Corporation | Transmit/receive module for phased array antenna system |
US4823136A (en) * | 1987-02-11 | 1989-04-18 | Westinghouse Electric Corp. | Transmit-receive means for phased-array active antenna system using rf redundancy |
US4899165A (en) * | 1988-10-20 | 1990-02-06 | General Signal Corporation | Variable circular polarization antenna having parasitic Z-shaped dipole |
FR2649560B1 (en) * | 1989-06-12 | 1994-08-05 | Matra Communication | TRANSMISSION BASE FOR A RADIOTELEPHONE COMMUNICATION DEVICE |
DE69020319T2 (en) * | 1989-12-11 | 1996-03-14 | Toyoda Chuo Kenkyusho Kk | Mobile antenna system. |
SE465597B (en) * | 1990-02-16 | 1991-09-30 | Ericsson Telefon Ab L M | PROCEDURE TO REDUCE THE EFFECT OF BREATHING ON A WHITE RECEIVER WITH AT LEAST TWO ANTENNA |
DE69123590T2 (en) * | 1990-08-07 | 1997-06-26 | Inventahl Ab | MODULAR RADIO COMMUNICATION SYSTEM |
US5200759A (en) * | 1991-06-03 | 1993-04-06 | Mcginnis Henry J | Telecommunications tower equipment housing |
US5276452A (en) * | 1992-06-24 | 1994-01-04 | Raytheon Company | Scan compensation for array antenna on a curved surface |
EP0656268B1 (en) * | 1992-09-16 | 1998-12-02 | Sumitomo Electric Industries, Ltd. | Apparatus for and method of detecting decrease of air pressure in tire |
DE69327837T2 (en) * | 1992-12-01 | 2000-10-12 | Koninkl Philips Electronics Nv | Subband diversity transmission system |
US5339086A (en) * | 1993-02-22 | 1994-08-16 | General Electric Co. | Phased array antenna with distributed beam steering |
FI932605A (en) * | 1993-06-07 | 1994-12-08 | Nokia Telecommunications Oy | Receiver device for base station |
US5471664A (en) * | 1993-12-30 | 1995-11-28 | Samsung Electro-Mechanics Co., Ltd. | Clockwise and counterclockwise circularly polarized wave common receiving apparatus for low noise converter |
-
1996
- 1996-04-03 US US08/627,956 patent/US5832389A/en not_active Expired - Lifetime
-
1997
- 1997-03-27 JP JP9535455A patent/JP2000505633A/en active Pending
- 1997-03-27 AU AU25535/97A patent/AU712156B2/en not_active Ceased
- 1997-03-27 EP EP97917097A patent/EP0891658A1/en not_active Withdrawn
- 1997-03-27 WO PCT/US1997/005105 patent/WO1997037441A1/en not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4597105A (en) * | 1982-11-12 | 1986-06-24 | Motorola Inc. | Data communications system having overlapping receiver coverage zones |
EP0591770A2 (en) * | 1992-10-03 | 1994-04-13 | Motorola Ltd | Sectorized cellular radio base station antenna |
EP0650268A1 (en) * | 1993-10-20 | 1995-04-26 | AT&T Corp. | System for radio transmission using a wideband adaptive array and frequency-domain processing |
Non-Patent Citations (1)
Title |
---|
LEE W C Y ET AL: "Polarization diversity system for mobile radio", IEEE TRANSACTIONS ON COMMUNICATIONS, OCT. 1972, USA, vol. COM-20, no. 5, ISSN 0090-6778, pages 912 - 923, XP002035417 * |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1103155C (en) * | 1996-11-27 | 2003-03-12 | Lg情报通信株式会社 | Data control system in CDMA mobile communication system |
EP0874474A3 (en) * | 1997-04-21 | 2000-08-23 | Motorola, Inc. | Communication system and method for recovery signals utilizing separation techniques |
EP0874474A2 (en) * | 1997-04-21 | 1998-10-28 | Motorola, Inc. | Communication system and method for recovery signals utilizing separation techniques |
FR2789807A1 (en) * | 1999-02-17 | 2000-08-18 | Nortel Matra Cellular | Cellular mobile radio polarisation diversity base station having transmitters/hybrid couplers vertical/horizontal polarisation dividing and received orthogonal signals hybrid couplers single output combined. |
WO2000049677A1 (en) * | 1999-02-17 | 2000-08-24 | Nortel Networks Sa. | Radio station antenna with circular polarisation |
WO2001063799A1 (en) * | 2000-02-25 | 2001-08-30 | Matsushita Electric Industrial Co., Ltd. | Method and apparatus for radio communication using array antenna |
GB2382928A (en) * | 2001-11-23 | 2003-06-11 | Qinetiq Ltd | Antenna Assembly |
GB2382928B (en) * | 2001-11-23 | 2004-10-13 | Qinetiq Ltd | Antenna assembly |
US7440510B2 (en) | 2003-09-15 | 2008-10-21 | Intel Corporation | Multicarrier transmitter, multicarrier receiver, and methods for communicating multiple spatial signal streams |
US7315577B2 (en) | 2003-09-15 | 2008-01-01 | Intel Corporation | Multiple antenna systems and method using high-throughput space-frequency block codes |
WO2005069667A1 (en) * | 2004-01-12 | 2005-07-28 | Intel Corporation | Channel specification apparatus, systems, and methods |
US7440423B2 (en) | 2004-01-12 | 2008-10-21 | Intel Corporation | Channel specification apparatus, systems, and methods |
EP2034623A1 (en) * | 2007-09-05 | 2009-03-11 | Nokia Siemens Networks Oy | Adaptive adjustment of an antenna arrangement for exploiting polarization and/or beamforming separation |
WO2009030617A1 (en) * | 2007-09-05 | 2009-03-12 | Nokia Siemens Networks Oy | Adaptive adjustment of an antenna arrangement for exploiting polarization and/or beamforming separation |
US8390518B2 (en) | 2007-09-05 | 2013-03-05 | Nokia Siemens Networks Oy | Adaptive adjustment of an antenna arrangement for exploiting polarization and/or beamforming separation |
WO2012080327A1 (en) * | 2010-12-15 | 2012-06-21 | Hirschmann Car Communication Gmbh | Wideband sampling with phase diversity |
CN103250360A (en) * | 2010-12-15 | 2013-08-14 | 赫希曼汽车通讯有限公司 | Wideband sampling with phase diversity |
Also Published As
Publication number | Publication date |
---|---|
US5832389A (en) | 1998-11-03 |
EP0891658A1 (en) | 1999-01-20 |
AU712156B2 (en) | 1999-10-28 |
JP2000505633A (en) | 2000-05-09 |
AU2553597A (en) | 1997-10-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5832389A (en) | Wideband digitization systems and methods for cellular radiotelephones | |
AU701483B2 (en) | Polarisation diversity phased array cellular base station and associated methods | |
US6201801B1 (en) | Polarization diversity phased array cellular base station and associated methods | |
WO1997037441A9 (en) | Method and apparatus for polarization diversity in a base station using a plurality of reception antennas | |
US11689263B2 (en) | Small cell beam-forming antennas | |
AU683368B2 (en) | Phased array cellular base station and associated methods for enhanced power efficiency | |
EP0894370B1 (en) | Dividable transmit antenna array for a cellular base station and associated method | |
US6016123A (en) | Base station antenna arrangement | |
US6304762B1 (en) | Point to multipoint communication system with subsectored upstream antennas | |
CN1163100C (en) | Adaptive sectorization | |
CA2245737A1 (en) | Method and apparatus for polarization diversity in a base station using a plurality of reception antennas | |
Beckman | Implications of Dual Band Functionality on Base Station Antenna Development |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AL AM AT AT AU AZ BA BB BG BR BY CA CH CN CU CZ CZ DE DE DK DK EE EE ES FI FI GB GE HU IL IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK SK TJ TM TR TT UA UG US UZ VN AM AZ BY KG KZ MD RU TJ TM |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): GH KE LS MW SD SZ UG AT BE CH DE DK ES FI FR GB GR IE IT LU |
|
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
COP | Corrected version of pamphlet |
Free format text: PAGES 36-40, AMENDED CLAIMS, CANCELLED (WITH AN UPDATED VERSION OF THE PAMPHLET FRONT PAGE) |
|
ENP | Entry into the national phase |
Ref document number: 2245737 Country of ref document: CA Ref country code: CA Ref document number: 2245737 Kind code of ref document: A Format of ref document f/p: F |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1997917097 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 1997917097 Country of ref document: EP |
|
REG | Reference to national code |
Ref country code: DE Ref legal event code: 8642 |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: 1997917097 Country of ref document: EP |