Low carbon and environmental protection CMMB (China Mobile Multimedia Broadcasting) signal monitoring device

Abstract

The present invention provides a low carbon and environmental protection CMMB signal monitoring device. The low carbon and environmental protection CMMB signal monitoring device comprises a control module, a storage module, a CMMB signal acquisition module and a wireless communication module, wherein the storage module, the CMMB signal acquisition module and the wireless communication module are connected with the control module. The low carbon and environmental protection CMMB signal monitoring device further comprises a power supply management module, a power supply conversion module, a battery module and a solar energy module, wherein the power supply conversion module and the battery module are connected with the power supply management module and the solar energy module is connected with the power supply conversion module. The low carbon and environmental protection CMMB signal monitoring device is low in carbon and environmentally friendly through adoption of solar energy power supply and advanced power management, is not liable to the influence of geographical conditions, and is able to be dispersedly installed at key monitoring places for operation in the unmanned duty mode, therefore a lot of manpower may be saved and the defects that installation positions are limited by power supply conditions in traditional installation mode may be avoided.

Description

technical field [0001] The invention relates to a low-carbon and environment-friendly CMMB signal monitoring device, which belongs to the field of wireless signal testing. Background technique [0002] China Mobile Multimedia Broadcasting is a set of mobile TV and multimedia standards currently used in my country. It is formulated and promoted by the State Administration of Radio, Film and Television. It is based on the satellite and ground interactive multi-service architecture developed by TiMiTech, a subsidiary of the Academy of Broadcasting Sciences. [0003] CMMB's satellite signal uses S-band 2.635-2.660GHz for coverage, urban ground signal uses U-band 470-798MHz for coverage, and provides 25 sets of video, 30 sets of audio programs and additional data channels with a bandwidth of 25MHz. In order to better provide multimedia broadcasting services, a series of tests are required during the construction and operation of CMMB, such as measuring signal coverage and signal ...

AI Technical Summary

Problems solved by technology

[0005] a) The road test is basically used, which requires a lot of manpower and time to conduct a relatively comprehensive overall signal evaluation;

[0006] b) It takes a long time to start the test after arriving in remote areas, and it is impossible to monitor the quality and abnormal changes of the signal in real time;

[0007] c) At present, the focus of CMMB signal coverage is placed outdoors, but due to the limitation of the power supply environment, the outdoor fixed-point test cannot be carried out comprehensively and for a long time, which brings a lot of inconvenience to the monitoring and optimization of the CMMB network

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