JP2005527789A5 - - Google Patents

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Publication number
JP2005527789A5
JP2005527789A5 JP2003560592A JP2003560592A JP2005527789A5 JP 2005527789 A5 JP2005527789 A5 JP 2005527789A5 JP 2003560592 A JP2003560592 A JP 2003560592A JP 2003560592 A JP2003560592 A JP 2003560592A JP 2005527789 A5 JP2005527789 A5 JP 2005527789A5
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JP
Japan
Prior art keywords
frequency subbands
frequency
beam forming
forming system
array antenna
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JP2003560592A
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JP4790986B2 (ja
JP2005527789A (ja
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Priority claimed from US10/047,100 external-priority patent/US6980614B2/en
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Claims (5)

  1. 複数のアンテナ素子(1〜7)を有するアレイアンテナ(112) により使用されるように構成されているビーム形成システムにおいて、
    前記アレイアンテナ(112) によって受信された信号を複数の周波数サブバンドに変換する装置(122) と、
    前記周波数サブバンドのそれぞれについて適応アレイ処理を行い、それに応答して適応処理された複数の周波数サブバンドを提供する装置(800) と、
    前記適応処理された周波数サブバンドを正規化する装置(900) とを具備していることを特徴とするビーム形成システム。
  2. 前記適応アレイ処理を行う装置(800) はさらに、前記アレイアンテナ(112) の各素子に対して各周波数サブバンドに加重を適用する装置(126) を備えている請求項１記載のビーム形成システム。
  3. 前記正規化する装置(900) はさらに、１以上の前記周波数サブバンドの振幅を調整する装置を備えている請求項１記載のビーム形成システム。
  4. 前記複数の周波数サブバンドに変換する装置(122) は、前記受信された信号に高速フーリエ変換を行う装置を備えている請求項１記載のビーム形成システム。
  5. 無線周波数受信機(114) の出力に結合されて前記信号の受信に応答して複数のサンプルを提供するように構成されているアナログ・デジタル変換器(116) を備えている請求項１記載のビーム形成システム。
JP2003560592A 2002-01-14 2002-12-04 適応加重正規化を使用するサブバンドビーム形成システムおよび方法 Expired - Fee Related JP4790986B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/047,100 US6980614B2 (en) 2002-01-14 2002-01-14 System and method for subband beamforming using adaptive weight normalization
US10/047,100 2002-01-14
PCT/US2002/038745 WO2003060550A1 (en) 2002-01-14 2002-12-04 System and method for subband beamforming using adaptive weight normalization

Publications (3)

Publication Number Publication Date
JP2005527789A JP2005527789A (ja) 2005-09-15
JP2005527789A5 true JP2005527789A5 (ja) 2006-01-05
JP4790986B2 JP4790986B2 (ja) 2011-10-12

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JP2003560592A Expired - Fee Related JP4790986B2 (ja) 2002-01-14 2002-12-04 適応加重正規化を使用するサブバンドビーム形成システムおよび方法

Country Status (6)

Country Link
US (1) US6980614B2 (ja)
EP (1) EP1466188B1 (ja)
JP (1) JP4790986B2 (ja)
CN (1) CN100343691C (ja)
DE (1) DE60210672T2 (ja)
WO (1) WO2003060550A1 (ja)

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