Multi-mode mobile satellite communication verification system and verification method

Abstract

The invention provides a multi-mode mobile satellite communication verification system and verification method. The system comprises a terminal simulator, a user link channel simulator, a receiving multi-beam antenna simulator, a return link processor, a subband exchange processor, a signal regeneration processor, a forward link processor, a transmitting multi-beam antenna simulator, a feeder link channel simulator, a gateway station simulator and a control center, a user segment, a space segment, a ground segment and a mobile satellite communication channel of a mobile satellite communication system are separately simulated. The system can perform demonstration verification on the link performance and the business ability of the mobile satellite communication system adopting a plurality of satellite-borne processing modes and multiple communication systems, and solves the problem that related verification system and method is lacked at present and technical feasibility verification cannot be provided for engineering application. Meanwhile, the invention further discloses a verification method of the verification system.

Description

technical field [0001] The invention relates to a mobile satellite communication verification system and a verification method, in particular to a multi-system mobile satellite communication verification system and a verification method using multiple on-board processing methods and multiple communication systems. Background technique [0002] The development of terrestrial mobile communications has gone through four generations. With the commercial application of the fourth-generation LTE (Long Term Evolution) system and the increasing demand for providing users with anytime access services, satellite mobile communication systems and terrestrial mobile Communication system integration has become an inevitable development trend. However, there are many differences between the satellite mobile communication environment and the terrestrial mobile communication environment, such as channel delay, beam coverage, delay difference between users, Doppler frequency shift, etc., and ...

AI Technical Summary

Problems solved by technology

[0005] The technical problem solved by the present invention is: to overcome the deficiencies in the prior art, and to provide a multi-system mobile satellite communication verification system and verification method, which can verify the mobile satellite communication chain using a variety of on-board processing methods and communication systems. Demonstration and verification of road performance and business capabilities, which solves the current lack of relevant verification systems and verification methods, and cannot provide technical feasibility verification for engineering applications

[0008] (1) The present invention realizes double-hop for transparent forwarding, single-hop for sub-band switching, and three-hop single-hop for regeneration processing through the return link processor, forward link processor, sub-band switching processor, and signal regeneration processor. The verification of different on-board processing methods solves the problem that the existing mobile satellite communication verification system can only verify one of the on-board processing methods;

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