GB2373973B - Adaptive antenna - Google Patents

Adaptive antenna

Info

Publication number
GB2373973B
GB2373973B GB0108026A GB0108026A GB2373973B GB 2373973 B GB2373973 B GB 2373973B GB 0108026 A GB0108026 A GB 0108026A GB 0108026 A GB0108026 A GB 0108026A GB 2373973 B GB2373973 B GB 2373973B
Authority
GB
United Kingdom
Prior art keywords
adaptive antenna
adaptive
antenna
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
GB0108026A
Other versions
GB2373973A (en
GB0108026D0 (en
Inventor
Christopher Martin Simmonds
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.)
Toshiba Europe Ltd
Original Assignee
Toshiba Research Europe 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 Toshiba Research Europe Ltd filed Critical Toshiba Research Europe Ltd
Priority to GB0108026A priority Critical patent/GB2373973B/en
Publication of GB0108026D0 publication Critical patent/GB0108026D0/en
Publication of GB2373973A publication Critical patent/GB2373973A/en
Application granted granted Critical
Publication of GB2373973B publication Critical patent/GB2373973B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2649—Demodulators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2649—Demodulators
    • H04L27/2653—Demodulators with direct demodulation of individual subcarriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Radio Transmission System (AREA)
GB0108026A 2001-03-30 2001-03-30 Adaptive antenna Expired - Fee Related GB2373973B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0108026A GB2373973B (en) 2001-03-30 2001-03-30 Adaptive antenna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0108026A GB2373973B (en) 2001-03-30 2001-03-30 Adaptive antenna

Publications (3)

Publication Number Publication Date
GB0108026D0 GB0108026D0 (en) 2001-05-23
GB2373973A GB2373973A (en) 2002-10-02
GB2373973B true GB2373973B (en) 2003-06-11

Family

ID=9911931

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0108026A Expired - Fee Related GB2373973B (en) 2001-03-30 2001-03-30 Adaptive antenna

Country Status (1)

Country Link
GB (1) GB2373973B (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2386519B (en) 2002-03-12 2004-05-26 Toshiba Res Europ Ltd Adaptive Multicarrier Communication
US8194770B2 (en) 2002-08-27 2012-06-05 Qualcomm Incorporated Coded MIMO systems with selective channel inversion applied per eigenmode
US7324429B2 (en) 2002-10-25 2008-01-29 Qualcomm, Incorporated Multi-mode terminal in a wireless MIMO system
AU2011213737B2 (en) * 2002-10-25 2012-07-19 Qualcomm Incorporated Multicarrier transmission using a plurality of symbol lengths
US8320301B2 (en) 2002-10-25 2012-11-27 Qualcomm Incorporated MIMO WLAN system
US8170513B2 (en) 2002-10-25 2012-05-01 Qualcomm Incorporated Data detection and demodulation for wireless communication systems
US8208364B2 (en) 2002-10-25 2012-06-26 Qualcomm Incorporated MIMO system with multiple spatial multiplexing modes
US8570988B2 (en) 2002-10-25 2013-10-29 Qualcomm Incorporated Channel calibration for a time division duplexed communication system
US7986742B2 (en) 2002-10-25 2011-07-26 Qualcomm Incorporated Pilots for MIMO communication system
US7002900B2 (en) 2002-10-25 2006-02-21 Qualcomm Incorporated Transmit diversity processing for a multi-antenna communication system
US20040081131A1 (en) 2002-10-25 2004-04-29 Walton Jay Rod OFDM communication system with multiple OFDM symbol sizes
US8169944B2 (en) 2002-10-25 2012-05-01 Qualcomm Incorporated Random access for wireless multiple-access communication systems
US8218609B2 (en) 2002-10-25 2012-07-10 Qualcomm Incorporated Closed-loop rate control for a multi-channel communication system
US8134976B2 (en) 2002-10-25 2012-03-13 Qualcomm Incorporated Channel calibration for a time division duplexed communication system
US9473269B2 (en) 2003-12-01 2016-10-18 Qualcomm Incorporated Method and apparatus for providing an efficient control channel structure in a wireless communication system
US7466749B2 (en) 2005-05-12 2008-12-16 Qualcomm Incorporated Rate selection with margin sharing
US8358714B2 (en) 2005-06-16 2013-01-22 Qualcomm Incorporated Coding and modulation for multiple data streams in a communication system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997040608A1 (en) * 1996-04-19 1997-10-30 Amati Communications Corporation Digital radio frequency interference canceller
EP0851642A2 (en) * 1996-12-24 1998-07-01 SHARP Corporation Multicarrier receiver with compensation for frequency offset and for frequency-dependent distortion
EP1037303A1 (en) * 1999-03-12 2000-09-20 Motorola, Inc. Apparatus and method for generating transmitter antenna weights
GB2356769A (en) * 1989-04-21 2001-05-30 Secr Defence Multichannel high frequency broadcast system
US6249250B1 (en) * 1998-01-08 2001-06-19 Kabushiki Kaisha Toshiba Adaptive variable directional antenna

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2356769A (en) * 1989-04-21 2001-05-30 Secr Defence Multichannel high frequency broadcast system
WO1997040608A1 (en) * 1996-04-19 1997-10-30 Amati Communications Corporation Digital radio frequency interference canceller
EP0851642A2 (en) * 1996-12-24 1998-07-01 SHARP Corporation Multicarrier receiver with compensation for frequency offset and for frequency-dependent distortion
US6249250B1 (en) * 1998-01-08 2001-06-19 Kabushiki Kaisha Toshiba Adaptive variable directional antenna
EP1037303A1 (en) * 1999-03-12 2000-09-20 Motorola, Inc. Apparatus and method for generating transmitter antenna weights

Also Published As

Publication number Publication date
GB2373973A (en) 2002-10-02
GB0108026D0 (en) 2001-05-23

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Legal Events

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

Effective date: 20140330