JP2003115787A5 - - Google Patents

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JP2003115787A5
JP2003115787A5 JP2001308209A JP2001308209A JP2003115787A5 JP 2003115787 A5 JP2003115787 A5 JP 2003115787A5 JP 2001308209 A JP2001308209 A JP 2001308209A JP 2001308209 A JP2001308209 A JP 2001308209A JP 2003115787 A5 JP2003115787 A5 JP 2003115787A5
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signal
direction adjustment
reception
received signal
level
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JP2001308209A
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Japanese (ja)
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JP2003115787A (en
JP4107824B2 (en
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Publication of JP2003115787A5 publication Critical patent/JP2003115787A5/ja
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ガード期間を含んだＯＦＤＭ信号を伝送する伝送装置の受信装置において、受信した上記ＯＦＤＭ信号と該ＯＦＤＭ信号を有効シンボル遅延した信号との相関演算を行い、当該相関演算の結果得られる信号に基づき受信アンテナの方向調整用信号を生成し、該受信アンテナの方向調整を行うことを特徴とするＯＦＤＭ受信装置のアンテナ方向調整方法。In a receiving apparatus of a transmission apparatus that transmits an OFDM signal including a guard period, a correlation calculation is performed between the received OFDM signal and a signal obtained by delaying the OFDM signal by an effective symbol , and reception is performed based on a signal obtained as a result of the correlation calculation. An antenna direction adjustment method for an OFDM receiver, characterized in that an antenna direction adjustment signal is generated and the direction of the reception antenna is adjusted. ガード期間を含んだＯＦＤＭ信号を伝送する伝送装置の受信装置において、受信信号と該受信信号を有効シンボル遅延した信号との相関演算を行い、当該相関演算の結果得られる信号から上記受信信号のレベルを算出し、該受信信号レベルに基づき受信アンテナの方向調整用信号を生成し、該生成した方向調整用信号を用いて受信アンテナの方向調整を行うことを特徴とする受信装置のアンテナ方向調整方法。In a receiving apparatus of a transmission apparatus that transmits an OFDM signal including a guard period, a correlation operation is performed between the received signal and a signal obtained by delaying the received signal by an effective symbol , and the level of the received signal is determined from a signal obtained as a result of the correlation operation. And a direction adjustment signal of the reception antenna is generated based on the received signal level, and the direction adjustment of the reception antenna is performed using the generated direction adjustment signal. . ガード期間を含んだＯＦＤＭ信号を伝送する伝送装置の受信装置において、受信信号と該受信信号を有効シンボル遅延した信号との相関演算結果に基づき上記受信信号のレベルを算出して出力する算出回路と、該算出した受信信号レベルに基づき受信アンテナの方向調整用信号を生成し出力する方向調整信号発生回路とを有し、該生成した方向調整用信号を用いて受信アンテナの方向調整を行うことを特徴とするＯＦＤＭ受信装置。In a receiving device of a transmission device that transmits an OFDM signal including a guard period, a calculating circuit that calculates and outputs a level of the received signal based on a correlation calculation result between the received signal and a signal obtained by delaying the received signal by an effective symbol; A direction adjustment signal generation circuit that generates and outputs a direction adjustment signal for the reception antenna based on the calculated reception signal level, and performs direction adjustment of the reception antenna using the generated direction adjustment signal. A featured OFDM receiver. ガード期間を含んだＯＦＤＭ信号を伝送する伝送装置において、受信側に、受信信号と該受信信号を有効シンボル遅延した信号との相関演算結果に基づき上記受信信号のレベルを算出して出力する算出回路と、上記受信信号レベル信号を出力する出力端子を有することを特徴とする伝送システムの復調装置。In a transmission apparatus that transmits an OFDM signal including a guard period, a calculation circuit that calculates and outputs a level of the received signal to a receiving side based on a correlation calculation result between the received signal and a signal obtained by delaying the received signal by an effective symbol And an output terminal for outputting the received signal level signal. ガード期間を含んだＯＦＤＭ信号を伝送する伝送装置において、受信側に、受信信号と該受信信号を有効シンボル遅延した信号との相関演算を行い、該相関演算の結果に基づき上記受信信号のレベルを算出する復調装置から出力される上記受信信号レベルを入力する入力端子と、該受信信号レベルに基づき受信アンテナの方向調整用信号を生成し出力する方向調整信号発生回路と、該生成した方向調整信号を出力する出力端子を有することを特徴とする受信アンテナ調整用のアダプタ。In a transmission apparatus that transmits an OFDM signal including a guard period, the reception side performs a correlation operation between the reception signal and a signal obtained by delaying the reception signal by an effective symbol, and the level of the reception signal is determined based on the result of the correlation calculation. An input terminal for inputting the received signal level output from the demodulating device to be calculated, a direction adjustment signal generating circuit for generating and outputting a direction adjustment signal for the receiving antenna based on the received signal level, and the generated direction adjustment signal An adapter for adjusting a receiving antenna, characterized by having an output terminal for outputting a signal.
JP2001308209A 2001-10-04 2001-10-04 Method and apparatus for adjusting antenna direction of OFDM receiver Expired - Lifetime JP4107824B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001308209A JP4107824B2 (en) 2001-10-04 2001-10-04 Method and apparatus for adjusting antenna direction of OFDM receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001308209A JP4107824B2 (en) 2001-10-04 2001-10-04 Method and apparatus for adjusting antenna direction of OFDM receiver

Publications (3)

Publication Number Publication Date
JP2003115787A JP2003115787A (en) 2003-04-18
JP2003115787A5 true JP2003115787A5 (en) 2005-06-23
JP4107824B2 JP4107824B2 (en) 2008-06-25

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JP2001308209A Expired - Lifetime JP4107824B2 (en) 2001-10-04 2001-10-04 Method and apparatus for adjusting antenna direction of OFDM receiver

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JP (1) JP4107824B2 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4384583B2 (en) * 2004-11-02 2009-12-16 株式会社日立国際電気 Transmission system and demodulator used therefor
JP4717501B2 (en) * 2005-04-27 2011-07-06 三菱電機株式会社 OFDM signal receiving apparatus and method
JP2007251862A (en) * 2006-03-20 2007-09-27 Hitachi Kokusai Electric Inc Direction adjusting method of digital transmission
JP2007303987A (en) * 2006-05-12 2007-11-22 Hitachi High-Tech Science Systems Corp Chromatographic device
JP4918348B2 (en) * 2006-12-26 2012-04-18 株式会社日立国際電気 Display device
JP5040417B2 (en) * 2007-04-25 2012-10-03 日本電気株式会社 Reception antenna direction adjustment method and FPU transmission / reception apparatus using the same
JP2010136282A (en) * 2008-12-08 2010-06-17 Hitachi Kokusai Electric Inc Data transmission system
JP5520833B2 (en) 2008-12-24 2014-06-11 株式会社日立国際電気 Imaging method and imaging apparatus
JP5566641B2 (en) 2009-08-26 2014-08-06 株式会社東芝 battery
JP5706194B2 (en) * 2011-03-03 2015-04-22 株式会社日立国際電気 Single carrier receiving apparatus and receiving method
JP5780647B2 (en) * 2011-09-15 2015-09-16 株式会社日立国際電気 Receiving apparatus and antenna direction adjusting method thereof
KR20230013534A (en) * 2021-07-19 2023-01-26 주식회사 에스비솔루션 Device and method for driving biometric information sensor using electromagnetic scheme
CN113824516B (en) * 2021-08-06 2024-01-12 星展测控科技股份有限公司 Video receiving method, video receiving device and readable storage medium
CN113824515B (en) * 2021-08-06 2023-12-01 星展测控科技股份有限公司 Communication device, communication-in-motion apparatus, and servo control method

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