SE9800633L - Subspace, which combines antenna beams in a base station - Google Patents

Subspace, which combines antenna beams in a base station

Info

Publication number
SE9800633L
SE9800633L SE9800633A SE9800633A SE9800633L SE 9800633 L SE9800633 L SE 9800633L SE 9800633 A SE9800633 A SE 9800633A SE 9800633 A SE9800633 A SE 9800633A SE 9800633 L SE9800633 L SE 9800633L
Authority
SE
Sweden
Prior art keywords
group
antennas
antenna
control channel
signals
Prior art date
Application number
SE9800633A
Other languages
Swedish (sv)
Other versions
SE9800633D0 (en
Inventor
Sheldon K Meredith
Original Assignee
Radio Frequency Systems Inc
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 Radio Frequency Systems Inc filed Critical Radio Frequency Systems Inc
Publication of SE9800633D0 publication Critical patent/SE9800633D0/en
Publication of SE9800633L publication Critical patent/SE9800633L/en

Links

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/086—Weighted combining using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

A cellular base site having one or more sectors has in each sector a plurality of antennas 102 or antenna beams (from a phase array) for voice channel communications, each antenna or beam providing coverage in a selected azimuthal direction. The antennas are also used for receiving uplink control channel signals thus ensuring the same coverage for voice ands control channels. The antennas are divided preferably equally into a first group and a second group. All of the RE signals received by the first group are combined to form a first composite signal. All of the RF signals received by the second group are combined to form a second composite signal. The first and second composite signals are provided to separate diversity inputs of a control channel radio 145, and also to the separate diversity inputs of a locate radio 147 used to measure signal strengths for handoff decisions. Each antenna or beam in the first group may be situated between antennas or beams of the second group. A separate antenna 170 is used for downlink control channel signalling.
SE9800633A 1997-03-31 1998-03-02 Subspace, which combines antenna beams in a base station SE9800633L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US82968697A 1997-03-31 1997-03-31

Publications (2)

Publication Number Publication Date
SE9800633D0 SE9800633D0 (en) 1998-03-02
SE9800633L true SE9800633L (en) 1998-10-01

Family

ID=25255249

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9800633A SE9800633L (en) 1997-03-31 1998-03-02 Subspace, which combines antenna beams in a base station

Country Status (4)

Country Link
JP (1) JPH10303809A (en)
CA (1) CA2217813A1 (en)
GB (1) GB2325819A (en)
SE (1) SE9800633L (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6351237B1 (en) * 1995-06-08 2002-02-26 Metawave Communications Corporation Polarization and angular diversity among antenna beams
GB2347584B (en) * 1999-03-04 2003-06-04 Orange Personal Comm Serv Ltd Radio transceiving arrangement
US6583763B2 (en) * 1999-04-26 2003-06-24 Andrew Corporation Antenna structure and installation
US7003324B2 (en) 2000-12-21 2006-02-21 Matsushita Electric Industrial Co., Ltd. Base station apparatus with reception and diversity weight combining
JP4178501B2 (en) * 2002-05-21 2008-11-12 日本電気株式会社 Antenna transmission / reception system
US7729316B2 (en) * 2002-09-30 2010-06-01 Intel Corporation Receiving signals on a channel used for traffic and access in a communications system
US7606192B2 (en) 2002-09-30 2009-10-20 Intel Corporation Transmitting signals on a channel used for traffic and access in a communications system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5854986A (en) * 1995-05-19 1998-12-29 Northern Telecom Limited Cellular communication system having device coupling distribution of antennas to plurality of transceivers
GB2310109B (en) * 1996-02-08 2000-07-05 Orange Personal Comm Serv Ltd Antenna arrangement
KR100216349B1 (en) * 1996-05-09 1999-08-16 윤종용 Repeater of cdma system

Also Published As

Publication number Publication date
JPH10303809A (en) 1998-11-13
SE9800633D0 (en) 1998-03-02
CA2217813A1 (en) 1998-09-30
GB2325819A (en) 1998-12-02
GB9806950D0 (en) 1998-06-03

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Legal Events

Date Code Title Description
NAV Patent application has lapsed

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