tdma+tdd system high-speed image transmission system and communication control method and working method
A communication control, high-speed technology, applied in closed-circuit television systems, etc., can solve problems such as low spectrum utilization, high cost, complex hardware, etc., achieve high spectrum utilization, small hardware structure, and meet multi-functional requirements
Active Publication Date: 2017-03-29
CHENGDU AEROSPACE COMM EQUIP CO LTD
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Problems solved by technology
This type of image transmission system has complex hardware, high cost, and low spectrum utilization, so it can only realize point-to-point communication
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[0023] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0024] All features disclosed in this specification, except mutually exclusive features, can be combined in any way.
[0025] Any feature disclosed in this specification (including any appended claims, abstract and drawings), unless expressly stated otherwise, may be replaced by alternative features which are equivalent or serve a similar purpose. That is, unless expressly stated otherwise, each feature is one example only of a series of equivalent or similar features.
[0026] The invention aims at the time-division duplex (TDD) technology and time-division multiple access (TDMA) technology of hi...
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The invention provides a TDMA+TDD model high-speed image transmitting system, a communication control method and a working method. The image transmitting system is designed to be of a modular hardware structure, meets the requirements for small size, high integration level and multifunction, and is a wireless transmission system which is high-performance and capable of transmitting data signals at high speed. The image transmitting system integrates high quality images (including videos and pictures) and other data services and can transmit data information and video image information in real time according to a specific message format and communication protocol. A broadcasting station has TDMA+TDD both-way communication ability, can support downlink transmission of the videos (invisible light and infrared light), the pictures and SAR signals by using the same device at the same time, can also support uplink transmission of low-speed data services like reverse measurement and control data, and can support one-to-many and many-to-many video signal transmission. Therefore, spectral efficiency is high, and the demands for the current fast-changing space communication can be further met.
Description
technical field [0001] The invention relates to a high-speed image transmission system, a communication control method and a working method, in particular to a TDMA+TDD-based high-speed image transmission system, a communication control method and a working method. Background technique [0002] The development of avionics technology, especially the development of unmanned reconnaissance aircraft, unmanned attack aircraft, and fighter jets, has greatly developed high-speed image transmission technology. Most of the accusations made by ground operators are based on the returned high-definition real-time video image to make a judgment. Therefore, the high-speed image transmission communication system is the eyes of drones or other unmanned aerial vehicles. [0003] The two-way transmission of image, voice and data services is the key technology of the high-speed video transmission communication system (hereinafter referred to as the video transmission system). Most of the exi...
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IPC IPC(8): H04N7/18
Inventor 王娟苏莹程皓万潜韬胡文
Owner CHENGDU AEROSPACE COMM EQUIP CO LTD