Proportional fair scheduling algorithm based on traffic in satellite communication system

Cheng-Sheng Pan; Shi-Long Sui; Chun-ling Liu; Yu-Xin Shi

doi:10.1117/12.2307297

20 February 2018 Proportional fair scheduling algorithm based on traffic in satellite communication system

Cheng-Sheng Pan, Shi-Long Sui, Chun-ling Liu, Yu-Xin Shi

Proceedings Volume 10697, Fourth Seminar on Novel Optoelectronic Detection Technology and Application; 106975B (2018) https://doi.org/10.1117/12.2307297
Event: Fourth Seminar on Novel Optoelectronic Detection Technology and Application, 2017, Nanjing, China

Abstract

In the satellite communication network system, in order to solve the problem of low system capacity and user fairness in multi-user access to satellite communication network in the downlink, combined with the characteristics of user data service, an algorithm study on throughput capacity and user fairness scheduling is proposed - Proportional Fairness Algorithm Based on Traffic(B-PF). The algorithm is improved on the basis of the proportional fairness algorithm in the wireless communication system, taking into account the user channel condition and caching traffic information. The user outgoing traffic is considered as the adjustment factor of the scheduling priority and presents the concept of traffic satisfaction. Firstly,the algorithm calculates the priority of the user according to the scheduling algorithm and dispatches the users with the highest priority. Secondly, when a scheduled user is the business satisfied user, the system dispatches the next priority user. The simulation results show that compared with the PF algorithm, B-PF can improve the system throughput, the business satisfaction and fairness.

Citation Download Citation

Cheng-Sheng Pan, Shi-Long Sui, Chun-ling Liu, and Yu-Xin Shi "Proportional fair scheduling algorithm based on traffic in satellite communication system", Proc. SPIE 10697, Fourth Seminar on Novel Optoelectronic Detection Technology and Application, 106975B (20 February 2018); https://doi.org/10.1117/12.2307297

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