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Radio communication system based on optical signal processing

A wireless communication system and optical signal technology, applied in the direction of optical fiber radio, transmission system, electromagnetic wave transmission system, etc., can solve the problems that limit the continuous development of wireless communication services, and achieve the simplification of network structure, increase of carrier frequency, and large coverage Effect

Inactive Publication Date: 2006-08-02
PEKING UNIV
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Problems solved by technology

These have become the main obstacles to the continued development of wireless communication services

Method used

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  • Radio communication system based on optical signal processing
  • Radio communication system based on optical signal processing
  • Radio communication system based on optical signal processing

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Embodiment Construction

[0023] Such as figure 1 , 2 As shown, the present invention as a whole includes two parts of a control station (Radio Station CS) and a base station (Radio BaseStation RBS). In the figure, a vertical dotted line is used as a boundary, the left part is the control station, and the right part is the base station. The control station part includes an optical signal processing unit and an optical signal processing unit. Among them, the control station includes a transmitter (upper part) and a receiver (lower part). The transmitter includes a traditional forward error correction encoder and an electrical modulation module, wherein the forward error correction encoder and the electrical modulation module are electrically connected. After the electrical modulation module of the present invention, the electrical signal is converted into an optical signal, so that the advantages of fast processing speed, long transmission distance, and large capacity of the optical waveguide can be u...

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Abstract

This invention discloses a kind of wireless communication system based on optical signal processing. It concludes the controlling station and base station. The controlling station concludes the optical signal processing element and demodulated optical signal processing element. The controlling station concludes the transmitter and receiver. The transmitter concludes the optical signal processing element: current-to-light inversion module, optical modulation module, light band pass filter and light-to-current inversion module. They are successively connected through light waveguide; the receiver concludes the demodulated optical signal processing element: light-to-current inversion module, light demodulation module, light equalizer and current-to-light inversion module. They are also successively connected through light waveguide; the transmitter and receiver are connected with base station through the light-to-current inversion module and the current-to-light inversion module respectively. The optical signal processing technology can increase network capacity. The fibre-optical group network base station non-radio frequency technology can make the network frame simple and decrease the cost.

Description

technical field [0001] The present invention relates to a wireless communication system, in particular to a wireless communication system based on optical signal processing. Background technique [0002] The current wireless communication system has developed to a very high level and has become a relatively mature and complete system. But the bottleneck that limits it now lies in some problems of the wireless system itself, such as the low carrier frequency of the wireless communication system, low frequency band utilization, slow electrical signal processing speed, capacitive and magnetic problems, and so on. Look at the main wireless communication methods today: the carrier center frequency of wireless local area network (WLAN) is 5GHz, and the corresponding transmission rate is on the order of 10Mbps; the carrier center frequency of the GSM system is 1Ghz, and the corresponding transmission rate is on the order of Mbps; The carrier center frequency of the latest 3G netwo...

Claims

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Application Information

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IPC IPC(8): H04B10/12H04B10/00H04B10/2575
Inventor 史超王峥陈章渊赵玉萍
Owner PEKING UNIV
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