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Pulse train optical transmission system and transmitter and receiver apparatuses used therein

A technology of pulse train and optical transmission, which is applied in the transmission system, electromagnetic wave transmission system, optical fiber transmission, etc., and can solve the problem of small service area

Inactive Publication Date: 2008-08-06
PANASONIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Transmission systems using short burst signals have the particular problem of limiting the service area to a smaller area by these factors

Method used

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  • Pulse train optical transmission system and transmitter and receiver apparatuses used therein
  • Pulse train optical transmission system and transmitter and receiver apparatuses used therein
  • Pulse train optical transmission system and transmitter and receiver apparatuses used therein

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0143] FIG. 1 is a diagram showing the configuration of a transmission system 1 of a first embodiment of the present invention. In FIG. 1, time waveforms of signals in relevant portions are shown for easy understanding. In FIG. 1 , a transmission system 1 includes a transmitter device 100 , an optical transmission path 200 and a receiver device 300 . The transmitter device 100 and the receiver device 300 are connected through an optical transmission path 200 . The transmitter device 100 includes a burst generation section 101 and a light modulation section 102 . The receiver device 300 includes a photodetection section 301 and a demodulation section 302 .

[0144] Next, the operation of the transmission system 1 will be described. The data signal D is input to the burst generating section 101 . The burst generation section 101 converts the data signal D into a burst according to a predetermined encoding pattern and outputs it. Optical modulation section 102 converts the p...

no. 2 example

[0148] FIG. 2 is a diagram showing the configuration of a transmission system 2 of a second embodiment of the present invention. In FIG. 2, time waveforms of signals in relevant portions are shown for ease of understanding. In FIG. 2 , a transmission system 2 includes a transmitter device 100 , an optical transmission path 200 , a receiver device 310 and a wireless terminal 400 . The transmitter device 100 and the receiver device 310 are connected through an optical transmission path 200 . The transmitter device 100 includes a burst generation section 101 and a light modulation section 102 . The receiver device 310 includes a light detection section 301 and a radiation section 312 . In FIG. 2 , blocks having the same functions as those in the first embodiment have the same reference numerals, and their descriptions will be omitted.

[0149] Next, the operation of the transmission system 2 will be described. The configuration of this embodiment is similar to that in the fir...

no. 3 example

[0152]FIG. 3A is a diagram showing the configuration of a transmission system 3 of a third embodiment of the present invention. In FIG. 3A , the transmission system 3 includes a transmitter device 110 , an optical transmission path 200 , a receiver device 320 and a wireless terminal 400 . The transmitter device 110 and the receiver device 320 are connected through an optical transmission path 200 . The transmitter device 110 includes a burst generation section 111 and a light modulation section 102 . The receiver device 320 includes a pulse compression section 321 , a light detection section 301 and a radiation section 312 . In FIG. 3A , blocks having the same functions as those in the first or second embodiment have the same reference numerals, and their descriptions will be omitted.

[0153] Next, the operation of the transmission system 3 will be described. The configuration of this embodiment is similar to that in the first and second embodiments described above (see FI...

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PUM

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Abstract

An optical transmission system for optically transmitting at least one data signal includes pulse train generating means for converting each of the at least one data signal respectively to a pulse train, based on at least one encoding pattern that is uniquely predetermined corresponding to the at least one data signal, and outputting the pulse train, optical modulating means for converting the pulse train output from the pulse train generating means to an optically modulated signal and outputting the signal, an optical transmission path for transmitting the optically modulated signal that is output from the optical modulating means, optical detecting means for converting the optically modulated signal transmitted on the optical transmission path to an electrical signal and outputting the signal, and data signal extracting means for obtaining the pulse train from the electrical signal that is output from the optical detecting means based on a decoding pattern that uniquely corresponds to the encoding pattern and extracting the data signal.

Description

technical field [0001] The invention relates to a system for transmitting bursts and transmitter and receiver arrangements used therein. In particular, the present invention relates to systems for transmitting bursts using optical communications and transmitter and receiver devices used therein. Background technique [0002] FIG. 19 is a diagram showing the configuration of a conventional transmission system that transmits short bursts. In FIG. 19, the conventional transmission system includes a burst generation section 901, an electrical transmission path 902, a burst reception section 903 and a demodulation section 904. The burst generating section 901 and the burst receiving section 903 are connected by an electrical transmission path 902 . The burst receiving section 903 and the demodulation section 904 are connected with or without wires. [0003] The operation of the conventional transmission system constructed as above will be described. The burst generation secti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B10/12H04B10/25H04B10/50H04B10/66
Inventor 布施優
Owner PANASONIC CORP
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