JP2005123753A5 - - Google Patents

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JP2005123753A5
JP2005123753A5 JP2003354430A JP2003354430A JP2005123753A5 JP 2005123753 A5 JP2005123753 A5 JP 2005123753A5 JP 2003354430 A JP2003354430 A JP 2003354430A JP 2003354430 A JP2003354430 A JP 2003354430A JP 2005123753 A5 JP2005123753 A5 JP 2005123753A5
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Prior art keywords
antennas
antenna
demodulating
wireless communication
signal
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JP2003354430A
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JP2005123753A (en
JP4265361B2 (en
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Priority claimed from JP2003354430A external-priority patent/JP4265361B2/en
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Publication of JP2005123753A5 publication Critical patent/JP2005123753A5/ja
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Claims (10)

周波数ホッピング方式の無線通信装置であって、
通信帯域が互いに異なる複数のアンテナと、
搬送周波数の切り替えを指示する制御手段と、
アンテナからの信号を復調する復調手段と、
前記制御手段からの指示に基づいて、前記複数のアンテナのいずれかを選択して前記復調手段に接続するアンテナ選択手段と、
を備えることを特徴とする無線通信装置。 A frequency hopping wireless communication device ,
A plurality of antennas having different communication bands;
Control means for instructing switching of the carrier frequency;
Demodulation means for demodulating the signal from the antenna;
Based on an instruction from the control means, an antenna selection means for selecting any of the plurality of antennas and connecting to the demodulation means;
A wireless communication apparatus comprising: 前記複数のアンテナは、第１通信帯域を有する第１のアンテナと、前記第１の通信帯域に含まれ、かつ、互いに異なる第２の通信帯域を有する複数の第２のアンテナとを含み、
前記復調手段は、前記第１のアンテナからの信号を復調する第１の復調手段と、第２の復調手段とを備え、
前記アンテナ選択手段は、前記複数の第２のアンテナのうちの何れかを選択して、その信号を前記第２の復調手段に供給し、前記第１の復調手段からの復調信号と第２の復調手段からの復調信号の一方を選択する復調信号選択手段を、さらに備える、
ことを特徴とする請求項１に記載の無線通信装置。 The plurality of antennas includes a first antenna having a first communication band and a plurality of second antennas included in the first communication band and having second communication bands different from each other,
The demodulating means includes a first demodulating means for demodulating a signal from the first antenna, and a second demodulating means,
The antenna selecting unit selects any one of the plurality of second antennas, supplies the signal to the second demodulating unit, and receives the demodulated signal from the first demodulating unit and the second demodulating unit A demodulated signal selecting means for selecting one of the demodulated signals from the demodulating means;
The wireless communication apparatus according to claim 1. 前記復調信号選択手段は、前記第１のアンテナの受信状態と、前記アンテナ選択手段により選択されたアンテナの受信状態とを比較し、比較結果に基づいて、前記第１と第２の復調手段からの信号の一方を選択する、
ことを特徴とする請求項２に記載の無線通信装置。 The demodulated signal selection means compares the reception state of the first antenna with the reception state of the antenna selected by the antenna selection means, and based on the comparison result, from the first and second demodulation means Select one of the signals
The wireless communication apparatus according to claim 2. 前記複数のアンテナは、中心周波数が互いに異なり且つ互いに重なる通信帯域を有する複数のアンテナから構成され、
前記復調手段は、第１と第２の復調手段を備え、
前記アンテナ選択手段は、前記制御手段より指示される搬送周波数を通信帯域に含む２つのアンテナを選択し、２つのアンテナのうちの１つからの信号を第１の復調手段に、他の１つからの信号を第２の復調手段に、それぞれ供給する、
ことを特徴とする請求項１に記載の無線通信装置。 The plurality of antennas are composed of a plurality of antennas having communication bands that have mutually different center frequencies and overlap each other.
The demodulating means includes first and second demodulating means,
The antenna selection unit selects two antennas including a carrier frequency instructed by the control unit in a communication band, and a signal from one of the two antennas is sent to the first demodulation unit and the other one Respectively, to the second demodulation means,
The wireless communication apparatus according to claim 1. 前記第１のアンテナの受信状態と、前記第２のアンテナの受信状態とを比較し、判別結果に基づいて前記第１と第２の復調手段の一方の出力を選択する復調信号選択手段をさらに備える、ことを特徴とする請求項４に記載の無線通信装置。 Demodulating signal selecting means for comparing the receiving state of the first antenna with the receiving state of the second antenna and selecting one output of the first and second demodulating means based on the determination result; The wireless communication apparatus according to claim 4, further comprising: 前記複数のアンテナは、互いに中心周波数と通信帯域幅とが異なる複数のアンテナを含み、各アンテナは、中心周波数が高くなるに従って通信帯域が広くなるように構成されている、ことを特徴とする請求項１乃至５の何れか１項に記載の無線通信装置。 The plurality of antennas includes a plurality of antennas having different center frequencies and communication bandwidths, and each antenna is configured to have a wider communication band as the center frequency increases. Item 6. The wireless communication device according to any one of Items 1 to 5. 前記複数のアンテナの少なくとも１つは、複数の搬送周波数を通信帯域に含むように構成されている、ことを特徴とする請求項１乃至６の何れか１項に記載の無線通信装置。 The wireless communication apparatus according to claim 1, wherein at least one of the plurality of antennas is configured to include a plurality of carrier frequencies in a communication band. 前記制御手段により指定される搬送波周波数の送信信号を生成する送信信号生成手段と、
複数の搬送周波数用のアンテナと、
を備える、ことを特徴とする請求項１乃至７の何れか１項に記載の無線通信装置。 Transmission signal generation means for generating a transmission signal of a carrier frequency specified by the control means;
Antennas for multiple carrier frequencies;
The wireless communication device according to claim 1, comprising: 前記制御手段により指定される搬送波周波数の送信信号を生成する送信信号生成手段と、
前記制御手段が指定する搬送波周波数の信号を受信したときに所定の良好な受信状態にあったアンテナを特定する情報を記憶する記憶手段と、
前記記憶手段に記憶されている情報で特定されるアンテナに前記送信信号生成手段で生成された送信信号を供給する手段と、
を備える、ことを特徴とする請求項１乃至８の何れか１項に記載の無線通信装置。 Transmission signal generation means for generating a transmission signal of a carrier frequency specified by the control means;
Storage means for storing information for identifying an antenna in a predetermined good reception state when receiving a signal of a carrier frequency specified by the control means;
Means for supplying the transmission signal generated by the transmission signal generation means to the antenna specified by the information stored in the storage means;
The wireless communication device according to claim 1, comprising: 搬送波の周波数を切り替えながら通信を行う通信方法であって、
通信帯域が互いに異なる複数のアンテナを用意し、
搬送周波数の切り替えに応答して、前記複数のアンテナのうち少なくとも１つを選択して、該アンテナを用いて前記搬送周波数による通信を行う、
ことを特徴とする無線通信方法。 A communication method for performing communication while switching the frequency of a carrier wave,
Prepare multiple antennas with different communication bands,
In response to switching of the carrier frequency, at least one of the plurality of antennas is selected, and communication using the carrier frequency is performed using the antenna.
A wireless communication method.
JP2003354430A 2003-10-14 2003-10-14 Wireless communication apparatus and wireless communication method Expired - Fee Related JP4265361B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2003354430A JP4265361B2 (en) 2003-10-14 2003-10-14 Wireless communication apparatus and wireless communication method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003354430A JP4265361B2 (en) 2003-10-14 2003-10-14 Wireless communication apparatus and wireless communication method

Publications (3)

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JP2005123753A JP2005123753A (en) 2005-05-12
JP2005123753A5 true JP2005123753A5 (en) 2006-06-01
JP4265361B2 JP4265361B2 (en) 2009-05-20

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100775038B1 (en) 2005-06-07 2007-11-08 인하대학교 산학협력단 Communication Method and System for Ultra Wideband using Frequency Modulation in Carrier Wave
JP4460492B2 (en) * 2005-06-08 2010-05-12 日本電信電話株式会社 Ultra-wideband wireless communication apparatus and ultra-wideband wireless communication method
JP4738240B2 (en) * 2006-04-19 2011-08-03 シャープ株式会社 Communication frequency setting method for wireless communication
JP5063469B2 (en) * 2008-05-02 2012-10-31 株式会社リコー Wireless communication apparatus, impedance matching method, program, and recording medium thereof
JP2018101953A (en) * 2016-12-21 2018-06-28 富士通株式会社 Impulse wireless communication apparatus, and communication method in impulse wireless communication apparatus
CN115441881B (en) * 2022-07-21 2024-01-16 海能达通信股份有限公司 Linkage antenna circuit and terminal

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