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GB2376843B - A transmitter station and a radiotelephone system including a transmitter station - Google Patents

A transmitter station and a radiotelephone system including a transmitter station

Info

Publication number
GB2376843B
GB2376843B GB0114820A GB0114820A GB2376843B GB 2376843 B GB2376843 B GB 2376843B GB 0114820 A GB0114820 A GB 0114820A GB 0114820 A GB0114820 A GB 0114820A GB 2376843 B GB2376843 B GB 2376843B
Authority
GB
United Kingdom
Prior art keywords
transmitter station
system including
radiotelephone system
transmitter
station
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 - Fee Related
Application number
GB0114820A
Other versions
GB0114820D0 (en
GB2376843A (en
Inventor
Paul Cook
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aeroflex Cambridge Ltd
Original Assignee
Ubinetics Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ubinetics Ltd filed Critical Ubinetics Ltd
Priority to GB0114820A priority Critical patent/GB2376843B/en
Publication of GB0114820D0 publication Critical patent/GB0114820D0/en
Priority to PCT/GB2002/002757 priority patent/WO2002103928A1/en
Publication of GB2376843A publication Critical patent/GB2376843A/en
Application granted granted Critical
Publication of GB2376843B publication Critical patent/GB2376843B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/38—TPC being performed in particular situations
    • H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
    • 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
    • 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
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
GB0114820A 2001-06-18 2001-06-18 A transmitter station and a radiotelephone system including a transmitter station Expired - Fee Related GB2376843B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0114820A GB2376843B (en) 2001-06-18 2001-06-18 A transmitter station and a radiotelephone system including a transmitter station
PCT/GB2002/002757 WO2002103928A1 (en) 2001-06-18 2002-06-18 A radiotelephone system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0114820A GB2376843B (en) 2001-06-18 2001-06-18 A transmitter station and a radiotelephone system including a transmitter station

Publications (3)

Publication Number Publication Date
GB0114820D0 GB0114820D0 (en) 2001-08-08
GB2376843A GB2376843A (en) 2002-12-24
GB2376843B true GB2376843B (en) 2005-01-12

Family

ID=9916818

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0114820A Expired - Fee Related GB2376843B (en) 2001-06-18 2001-06-18 A transmitter station and a radiotelephone system including a transmitter station

Country Status (2)

Country Link
GB (1) GB2376843B (en)
WO (1) WO2002103928A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2844119B1 (en) * 2002-08-27 2005-02-18 Nortel Networks Ltd RADIO DIVERSITY RADIO SIGNAL TRANSMISSION METHOD, STATION AND RADIO COMMUNICATION TERMINAL FOR IMPLEMENTING THE METHOD
US7660598B2 (en) 2004-12-21 2010-02-09 Qualcomm, Incorporated Transmit power reduction for a wireless device with multiple transmit signal paths
DE102005061219A1 (en) * 2005-12-20 2007-06-21 Fachhochschule Aachen Radio transmission line arrangement, has multipliers, mixers, phase comparators, frequency comparators or power detectors that are provided for evaluating two different polarized modes
US8306479B1 (en) * 2012-07-06 2012-11-06 Metropcs Wireless, Inc. Polarization control for cell telecommunication system

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0124319A1 (en) * 1983-04-25 1984-11-07 AT&T Corp. Radio telephones
GB2221820A (en) * 1988-06-15 1990-02-14 Matsushita Electric Works Ltd Polarization diversity radio communication system
EP0575246A1 (en) * 1992-06-17 1993-12-22 Compagnie Financiere Et Industrielle Des Autoroutes Isofrequency broadcasting of a single program with sequence of antennas having orthogonal polarisation for two consecutives antennas
EP0656697A2 (en) * 1993-11-30 1995-06-07 AT&T Corp. Method and apparatus for creating fast fading at a receiver using orthogonally polarized antennas and transmitter time diversity
EP0715478A2 (en) * 1994-11-28 1996-06-05 Texas Instruments Inc. Low power, short range point-to-multipoint communications system
FR2746991A1 (en) * 1996-03-28 1997-10-03 Nortel Matra Cellular RADIO STATION WITH CIRCULAR POLARIZATION ANTENNAS
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.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5812935A (en) * 1993-04-17 1998-09-22 Hughes Electronics Cellular system employing base station transmit diversity according to transmission quality level
US6104933A (en) * 1997-06-23 2000-08-15 Telefonaktiebolaget Lm Ericsson Method and apparatus for control of base stations in macro diversity radio systems
WO2001054230A1 (en) * 2000-01-21 2001-07-26 Motorola Inc. System and method for wireless communication using polarization diversity

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0124319A1 (en) * 1983-04-25 1984-11-07 AT&T Corp. Radio telephones
GB2221820A (en) * 1988-06-15 1990-02-14 Matsushita Electric Works Ltd Polarization diversity radio communication system
EP0575246A1 (en) * 1992-06-17 1993-12-22 Compagnie Financiere Et Industrielle Des Autoroutes Isofrequency broadcasting of a single program with sequence of antennas having orthogonal polarisation for two consecutives antennas
EP0656697A2 (en) * 1993-11-30 1995-06-07 AT&T Corp. Method and apparatus for creating fast fading at a receiver using orthogonally polarized antennas and transmitter time diversity
EP0715478A2 (en) * 1994-11-28 1996-06-05 Texas Instruments Inc. Low power, short range point-to-multipoint communications system
FR2746991A1 (en) * 1996-03-28 1997-10-03 Nortel Matra Cellular RADIO STATION WITH CIRCULAR POLARIZATION ANTENNAS
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.

Also Published As

Publication number Publication date
GB0114820D0 (en) 2001-08-08
WO2002103928A1 (en) 2002-12-27
GB2376843A (en) 2002-12-24

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20080618