A New Channel Scheduling Algorithm for Satellite Navigation System

Abstract:
With the increasing variety of data types transmitted by satellite navigation systems, traditional channel scheduling algorithms using a single scheduling algorithm for services can suffer from large transmission delays. Therefore, a new hybrid algorithm for channel scheduling in satellite navigation systems is studied. Firstly, this paper lists several channel scheduling algorithms and compares the advantages and disadvantages of the traditional single algorithm. Then, based on the analysis, a new hybrid scheduling algorithm is designed, i.e. the maximum real-time urgency priority algorithm is used for real-time services and the first-come, first-served algorithm is used for non-real-time services. Finally, the designed hybrid scheduling algorithm is simulated. The results show that the new channel scheduling algorithm can effectively reduce system cache pressure and channel transmission delay.