Digital MUDS multi-channel decimetric adjacent-frequency radio television transmission system with low error rate
A technology of low bit error rate and transmission system, applied in the field of low bit error rate digital MUDS multi-channel decimeter wave adjacent frequency wireless TV transmission system, can solve the problems of affecting viewing quality, small relative bandwidth and low adjacent frequency isolation.
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[0012] The working frequency of the system of the present invention is 400-800MHZ decimeter wave TV band; the whole system is composed of base station subsystem, relay subsystem and user end subsystem; the base station subsystem includes broadband base station, adjacent frequency multiplexing type Base station, fiber-optic base station, two-way multimedia base station, multi-definition base station; relay system includes repeater relay station and forwarding relay station; user end consists of user antenna, digital set-top box, digital TV receiver, etc.
[0013] The repeater relay station is divided into a one-way repeater station and a two-way repeater station; Single-channel multi-channel compatible group multiplexer, user management authorization system, CA scrambler, digital IF modulator, digital up-conversion channel board, digital decimeter wave adjacent frequency channel mixer, high linearity digital MUDS broadband transmitter, broadband Dipole plate transmitting antenn...
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Abstract
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Application Information
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