JP2003152610A5 - - Google Patents

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Publication number
JP2003152610A5
JP2003152610A5 JP2001352529A JP2001352529A JP2003152610A5 JP 2003152610 A5 JP2003152610 A5 JP 2003152610A5 JP 2001352529 A JP2001352529 A JP 2001352529A JP 2001352529 A JP2001352529 A JP 2001352529A JP 2003152610 A5 JP2003152610 A5 JP 2003152610A5
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JP
Japan
Prior art keywords
wireless communication
communication apparatus
pilot signal
predetermined
demodulating
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Pending
Application number
JP2001352529A
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Japanese (ja)
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JP2003152610A (en
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Priority to JP2001352529A priority Critical patent/JP2003152610A/en
Priority claimed from JP2001352529A external-priority patent/JP2003152610A/en
Publication of JP2003152610A publication Critical patent/JP2003152610A/en
Publication of JP2003152610A5 publication Critical patent/JP2003152610A5/ja
Pending legal-status Critical Current

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Claims (5)

複数のアンテナを使って生成される指向性を用いて信号を送受信するアレイアンテナを具備する無線通信装置において、所定の指向性の組み合わせを、チップレートもしくは、任意の整数チップ毎に所定の順序に従って切り替えて、パイロット信号を送信することを特徴とする無線通信装置。In a wireless communication apparatus having an array antenna that transmits and receives signals using directivity generated using a plurality of antennas, a combination of predetermined directivities is determined according to a predetermined order for each chip rate or any integer chip. A radio communication apparatus that switches and transmits a pilot signal. 請求項１記載の無線通信装置において、符号分割多重接続方式において適用されることを特徴とする無線通信装置。  2. The wireless communication apparatus according to claim 1, wherein the wireless communication apparatus is applied in a code division multiple access system. 請求項1記載の無線通信装置において、上記無線通信装置が複数ある場合に、それぞれが個別の順序で指向性の組み合わせを切り替えることを特徴とする無線通信装置。  2. The wireless communication device according to claim 1, wherein when there are a plurality of the wireless communication devices, each switches a combination of directivities in an individual order. 所定の地点から、所定の指向性の組み合わせを、所定の順序に従って切り替えて、送信されてくるパイロット信号を受信する無線通信装置であって、該受信パイロット信号を３ステートの拡散符号で逆拡散する逆拡散手段と、上記複数の逆拡散手段の出力を個別に復調する復調手段と、上記複数の復調手段の出力を重み付け合成するダイバーシチ手段を具備することを特徴とする無線通信装置。A wireless communication apparatus that receives a transmitted pilot signal by switching a combination of predetermined directivities from a predetermined point according to a predetermined order, and despreads the received pilot signal with a three-state spreading code A radio communication apparatus comprising: despreading means; demodulating means for individually demodulating the outputs of the plurality of despreading means; and diversity means for weighting and combining the outputs of the plurality of demodulation means. 複数のアンテナを使って生成される指向性で信号を送受信するアレイアンテナを具備する無線通信装置において、所定の指向性の組み合わせを、チップレートもしくは、任意の整数チップ毎に所定の順序に従って切り替えて、パイロット信号を送信する第１の無線通信装置と、
該第１の無線通信装置からのパイロット信号を受信する無線通信装置であって、該受信パイロット信号を３ステートの拡散符号で逆拡散する逆拡散手段と、上記複数の逆拡散手段の出力を個別に復調する復調手段と、上記複数の復調手段の出力を重み付け合成するダイバーシチ手段を具備する第２の無線通信装置を有することを特徴とする無線通信システム。In a wireless communication apparatus including an array antenna that transmits and receives signals with directivity generated using a plurality of antennas, a combination of predetermined directivities is switched according to a predetermined order for each chip rate or every integer chip. A first wireless communication device for transmitting a pilot signal;
A wireless communication apparatus for receiving a pilot signal from the first wireless communication apparatus, wherein the received pilot signal is despread with a three-state spreading code, and outputs of the plurality of despreading means are individually received A wireless communication system comprising: a second wireless communication apparatus comprising: a demodulating means for demodulating the signal; and a diversity means for weighting and combining the outputs of the plurality of demodulating means.
JP2001352529A 2001-11-19 2001-11-19 Radio communication device Pending JP2003152610A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001352529A JP2003152610A (en) 2001-11-19 2001-11-19 Radio communication device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001352529A JP2003152610A (en) 2001-11-19 2001-11-19 Radio communication device

Publications (2)

Publication Number Publication Date
JP2003152610A JP2003152610A (en) 2003-05-23
JP2003152610A5 true JP2003152610A5 (en) 2005-06-09

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JP2001352529A Pending JP2003152610A (en) 2001-11-19 2001-11-19 Radio communication device

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005012683A (en) * 2003-06-20 2005-01-13 Mitsubishi Electric Corp Radio communication method and radio communication system
US8340216B2 (en) 2005-03-18 2012-12-25 Qualcomm Incorporated Space-time scrambling for cellular systems
CN1870461B (en) * 2005-05-24 2011-06-01 都科摩（北京）通信技术研究中心有限公司 MIMO system based on random emitting beam formed and its user scheduling method
US8335170B2 (en) 2008-11-25 2012-12-18 Intel Corporation Directional transmission techniques
WO2014112366A1 (en) * 2013-01-18 2014-07-24 日本電気株式会社 Radio communication apparatus, radio communication method and radio communication system
JP6541783B2 (en) * 2015-07-08 2019-07-10 三菱電機株式会社 Communication apparatus and beam selection method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0787011A (en) * 1993-09-14 1995-03-31 Toshiba Corp Radio communication system, radio equipment and switch
JPH09200115A (en) * 1996-01-23 1997-07-31 Toshiba Corp Method for controlling antenna directivity for radio base station in radio communication system and variable directivity antenna
SE9601615L (en) * 1996-04-29 1997-10-30 Radio Design Innovation Tj Ab Procedure for access with rotating lobe
JPH11178051A (en) * 1997-12-11 1999-07-02 Toshiba Tec Corp Radio communication system
JPH11298400A (en) * 1998-04-10 1999-10-29 Nec Saitama Ltd Directional control circuit for adaptive antenna and directional controlling method
JP2001203672A (en) * 2000-01-18 2001-07-27 Seiko Epson Corp Polarized wave spread communication equipment

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