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Multi-user resonant optical communication system based on frequency division multiple access and method thereof

A frequency division multiple access and communication system technology, applied in the field of multi-user resonant optical communication system based on frequency division multiple access, can solve the problems of lack of multiple access technology, restricting the development and research of resonant optical communication

Active Publication Date: 2021-11-19
THE CHINESE UNIV OF HONG KONG SHENZHEN
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Problems solved by technology

In the current multi-user resonant optical communication system, there is a lack of research on multiple access technology, which restricts the development of resonant optical communication

Method used

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  • Multi-user resonant optical communication system based on frequency division multiple access and method thereof
  • Multi-user resonant optical communication system based on frequency division multiple access and method thereof
  • Multi-user resonant optical communication system based on frequency division multiple access and method thereof

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Embodiment Construction

[0036] The technical solution of the present invention will be further described in detail below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0037] Such as figure 1 As shown, a multi-user resonant optical communication system based on frequency division multiple access includes a base station 1 and a mobile terminal 2, and the mobile terminal includes transceivers located at different users; between the base station and each transceiver A resonant cavity is formed between;

[0038] The base station includes a first retroreflector 11, a first gain medium 12, a first electro-optic modulator 13, a first beam splitter 14, a frequency diversity module 15, a second photodetector 18, a first synchronization device 19 and multiple a diversity processing device, each diversity processing device includes a first photodetector 16 and a first signal processing board 17;

[0039] The reson...

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Abstract

The invention discloses a multi-user resonant optical communication system based on frequency division multiple access and a method thereof, the system comprises a base station (1) and a mobile terminal (2), and the mobile terminal comprises transceivers located at different users; the base station comprises a first reflex reflector (11), a first gain medium (12), a first electro-optical modulator (13), a first beam splitter (14), a frequency diversity module (15), a second photoelectric detector (18), a first synchronization device (19) and a plurality of diversity processing devices; the transceiver comprises a second reflex reflector (21), a second gain medium (22), a second beam splitter (23), a third photoelectric detector (24), a coupler (25), a second signal processing board (26), a second synchronization device (27) and a second electro-optical modulator (28). According to the invention, by dividing the gain bandwidth, a plurality of users can communicate with the base station without interference at the same time, and convenience is provided for application of resonant optical communication in a multi-user scene.

Description

technical field [0001] The invention relates to the field of resonant optical communication, in particular to a multi-user resonant optical communication system and method based on frequency division multiple access. Background technique [0002] In order to meet the needs of future communication development and realize high-speed broadband wireless communication, it is necessary to develop new spectrum resources in high-frequency bands. Since the wavelength of light waves is short and has a frequency of hundreds of THz, using light as a carrier of wireless communication is bound to become an important technical means of wireless communication in the future. Using resonant cavity to form stable light beam and using it as a carrier to realize wireless communication is an emerging wireless optical communication technology. This technology not only has a high transmission rate, but also has good mobility. A technology that breaks through the bottleneck in the development of wi...

Claims

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Application Information

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IPC IPC(8): H04J14/02
CPCH04J14/0272
Inventor 黄川崔曙光田源明李东旭
Owner THE CHINESE UNIV OF HONG KONG SHENZHEN
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