AT358924T - Method and apparatus for improving the capacity in a radio communication system - Google Patents

Method and apparatus for improving the capacity in a radio communication system

Info

Publication number
AT358924T
AT358924T AT98401461T AT98401461T AT358924T AT 358924 T AT358924 T AT 358924T AT 98401461 T AT98401461 T AT 98401461T AT 98401461 T AT98401461 T AT 98401461T AT 358924 T AT358924 T AT 358924T
Authority
AT
Austria
Prior art keywords
improving
capacity
apparatus
method
communication system
Prior art date
Application number
AT98401461T
Other languages
German (de)
Inventor
Espax Francesc Boixadera
Yann Farmine
Nicholas Whinnett
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Priority to EP19980401461 priority Critical patent/EP0966125B1/en
Priority to US09/333,369 priority patent/US6714514B1/en
Publication of AT358924T publication Critical patent/AT358924T/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/02Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0689Hybrid systems, i.e. switching and simultaneous transmission using different transmission schemes, at least one of them being a diversity transmission scheme
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0028Formatting
    • H04L1/003Adaptive formatting arrangements particular to signalling, e.g. variable amount of bits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0078Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
    • H04L1/0079Formats for control data
    • H04L1/008Formats for control data where the control data relates to payload of a different packet
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0602Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching
    • H04B7/0608Antenna selection according to transmission parameters
    • H04B7/061Antenna selection according to transmission parameters using feedback from receiving side
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0615Diversity 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
    • H04B7/0619Diversity 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
    • H04B7/0636Feedback format
    • H04B7/0645Variable feedback
    • H04B7/0647Variable feedback rate
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0667Diversity 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 delayed versions of same signal
    • H04B7/0671Diversity 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 delayed versions of same signal using different delays between antennas
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
AT98401461T 1998-06-15 1998-06-15 Method and apparatus for improving the capacity in a radio communication system AT358924T (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP19980401461 EP0966125B1 (en) 1998-06-15 1998-06-15 Method and apparatus for improving capacity in a radio communications system
US09/333,369 US6714514B1 (en) 1998-06-15 1999-06-15 Method and apparatus for improving capacity in a radio communications system

Publications (1)

Publication Number Publication Date
AT358924T true AT358924T (en) 2007-04-15

Family

ID=34395341

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98401461T AT358924T (en) 1998-06-15 1998-06-15 Method and apparatus for improving the capacity in a radio communication system

Country Status (4)

Country Link
US (1) US6714514B1 (en)
EP (1) EP0966125B1 (en)
JP (1) JP4344427B2 (en)
AT (1) AT358924T (en)

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US7164704B1 (en) * 1999-12-09 2007-01-16 Texas Instruments Incorporated Beam forming for transmit using bluetooth modified hopping sequences (BFTBMH)
US6963544B1 (en) * 1999-12-10 2005-11-08 Lucent Technologies Inc. System for statistically multiplexing real-time and non-real-time voice and data traffic in a wireless system
DE60021772T2 (en) 2000-04-07 2006-04-20 Nokia Corp. Method and apparatus for transmitting a plurality of antennas
GB0015511D0 (en) * 2000-06-23 2000-08-16 Univ Surrey Antenna combiners
US6963619B1 (en) * 2000-07-21 2005-11-08 Intel Corporation Spatial separation and multi-polarization of antennae in a wireless network
US6947483B2 (en) * 2000-08-18 2005-09-20 Nortel Networks Limited Method, apparatus, and system for managing data compression in a wireless network
US7280495B1 (en) 2000-08-18 2007-10-09 Nortel Networks Limited Reliable broadcast protocol in a wireless local area network
US7366103B2 (en) * 2000-08-18 2008-04-29 Nortel Networks Limited Seamless roaming options in an IEEE 802.11 compliant network
US7154854B1 (en) 2000-08-18 2006-12-26 Nortel Networks Limited Automatic distribution of RTS and frag thresholds
US7308279B1 (en) 2000-08-18 2007-12-11 Nortel Networks Limited Dynamic power level control on transmitted messages in a wireless LAN
US7339892B1 (en) * 2000-08-18 2008-03-04 Nortel Networks Limited System and method for dynamic control of data packet fragmentation threshold in a wireless network
US6937592B1 (en) * 2000-09-01 2005-08-30 Intel Corporation Wireless communications system that supports multiple modes of operation
US6400699B1 (en) * 2000-09-12 2002-06-04 Iospan Wireless, Inc. Transmission scheduler for a multiple antenna wireless cellular network
EP1187385A1 (en) * 2000-09-12 2002-03-13 Lucent Technologies Inc. Signalling of data rate and diversity configuration
US6898441B1 (en) * 2000-09-12 2005-05-24 Lucent Technologies Inc. Communication system having a flexible transmit configuration
WO2002032017A1 (en) * 2000-10-11 2002-04-18 Samsung Electronics Co., Ltd. Apparatus and method for controlling transmit antenna array for physical downlink shared channel in a mobile communication system
US6567387B1 (en) * 2000-11-07 2003-05-20 Intel Corporation System and method for data transmission from multiple wireless base transceiver stations to a subscriber unit
US20020136287A1 (en) * 2001-03-20 2002-09-26 Heath Robert W. Method, system and apparatus for displaying the quality of data transmissions in a wireless communication system
WO2002091625A1 (en) * 2001-05-02 2002-11-14 Fujitsu Limited Transmission diversity system
US6662024B2 (en) 2001-05-16 2003-12-09 Qualcomm Incorporated Method and apparatus for allocating downlink resources in a multiple-input multiple-output (MIMO) communication system
US7149254B2 (en) * 2001-09-06 2006-12-12 Intel Corporation Transmit signal preprocessing based on transmit antennae correlations for multiple antennae systems
US20030067890A1 (en) * 2001-10-10 2003-04-10 Sandesh Goel System and method for providing automatic re-transmission of wirelessly transmitted information
US7336719B2 (en) * 2001-11-28 2008-02-26 Intel Corporation System and method for transmit diversity base upon transmission channel delay spread
US7020110B2 (en) 2002-01-08 2006-03-28 Qualcomm Incorporated Resource allocation for MIMO-OFDM communication systems
US7012978B2 (en) * 2002-03-26 2006-03-14 Intel Corporation Robust multiple chain receiver
US20030235252A1 (en) * 2002-06-19 2003-12-25 Jose Tellado Method and system of biasing a timing phase estimate of data segments of a received signal
KR100917882B1 (en) * 2002-07-10 2009-09-16 삼성전자주식회사 Mobile communication apparatus and method having base-station/mobile-station multiantenna
SE0400370D0 (en) 2004-02-13 2004-02-13 Ericsson Telefon Ab L M Adaptive MIMO architecture
JP4592698B2 (en) 2004-07-30 2010-12-01 パナソニック株式会社 Radio communication apparatus and radio communication method
KR20110045104A (en) 2004-12-28 2011-05-03 콘텐트가드 홀딩즈 인코포레이티드 A method for content consumption, license-oriented, systems, and devices
EP1838024A1 (en) * 2006-03-20 2007-09-26 Siemens Aktiengesellschaft Method and apparatus for selection of MIMO configuration and coding in a mobile telecommunications system
WO2009153773A1 (en) * 2008-06-19 2009-12-23 Marvell Israel (Misl) Ltd. Balancing capacity between link directions using variable feedback rates
JP2009055628A (en) * 2008-10-20 2009-03-12 Fujitsu Ltd Transmission diversity system
US9215623B1 (en) 2013-03-28 2015-12-15 Sprint Spectrum L.P. Coordination of codec consistency across wireless coverage areas
US9386563B1 (en) * 2013-04-11 2016-07-05 Sprint Spectrum L.P. Coordination of codec consistency based on cross-carrier assignment
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Also Published As

Publication number Publication date
US6714514B1 (en) 2004-03-30
JP2000069570A (en) 2000-03-03
JP4344427B2 (en) 2009-10-14
EP0966125A1 (en) 1999-12-22
EP0966125B1 (en) 2007-04-04

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Legal Events

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