High-capacity check-in signal capturing and processing method, device and system based on high-speed optical switching

An inbound signal and signal capture technology, applied in the field of satellite mobile communication systems, can solve the problems of many types of system cables, poor system scalability, and cumbersome wiring networks, so as to improve system reliability and scalability, and simplify wiring networks , The effect of low line error rate
CN105680928AActive Publication Date: 2016-06-15NAT UNIV OF DEFENSE TECH
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
NAT UNIV OF DEFENSE TECH
Publication Date
2016-06-15

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Abstract

The invention discloses a high-capacity check-in signal capturing and processing method, a high-capacity check-in signal capturing and processing device and a high-capacity check-in signal capturing and processing system based on high-speed optical switching. The system comprises a signal collection unit, a 10 gagabit switch, a signal capturing unit and a signal processing unit set consisting of a plurality of signal processing units; the 10 gagabit switch is used for sending a digital baseband signal to the signal capturing unit; the signal capturing unit achieves the capturing of a check-in signal, and schedules the signal processing unit set according to a polling scheduling rule, by combining with the working conditions fed back by the signal processing units in real time; mutually replaceable hardware devices are uniformly designed based on the signal processing units; the all signal processing units are regarded as common resources which are shared by all sub-systems, and unified allocation of system resources and balanced workload are achieved, thus the distributed signal processing unit devices form a cluster, and the parallel processing of multi-channel signals is achieved.
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Description

technical field

[0001] The invention relates to a satellite mobile communication system, in particular to a large-capacity inbound signal acquisition and processing system and method for the ground segment of the satellite mobile communication system of the RDSS (Radio Determination Satellite Service) system. Background technique

[0002] The RDSS system needs to complete the synchronous capture of inbound signals, signal despreading and decoding, and finally restore the original user information.

[0003] The reception of the traditional inbound signal of the ground segment of the RDSS system satellite mobile communication system adopts the processing method of analog signal distribution, and the structure is as follows: figure 1 shown. The intermediate frequency distribution unit outputs the inbound intermediate frequency signal to the signal acquisition unit and the signal processing unit at the same time. The signal acquisition unit samples the analog intermediate freq...

Claims

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