Research of Virtual Channels Scheduling Algorithm Based on Priority in Packet Telemetry System
Автор: TIAN Ye, ZHANG Zi-jing, ZHANG Yan-qin, XIAO Guang-yuan
Журнал: International Journal of Wireless and Microwave Technologies(IJWMT) @ijwmt
Статья в выпуске: 2 Vol.2, 2012 года.
Бесплатный доступ
We make research on the virtual channels scheduling algorithm based on priority in packet telemetry system. Probability of occupying physical channel and packets losing rate of the virtual channel with the highest priority are considered, on condition that the packet arrival rate contribution is Poisson contribution. Theoretical analysis and simulation results show that when the running time of the scheduling module is long enough, probability of occupying physical channel by the virtual channel with the highest priority converge on a fixed value. Formulas of calculating packets losing rate are also given, which can offer reference to engineering design.
Virtual channels, scheduling algorithm, priority, packet telemetry
Короткий адрес: https://sciup.org/15012800
IDR: 15012800
Список литературы Research of Virtual Channels Scheduling Algorithm Based on Priority in Packet Telemetry System
- Zhao He-ping, Li Ning-ning. Implementation of CCSDS standard in military space mission[J]. Spacecraft Engineering, 2007, 16(4):78-82.(in Chinese)
- CCSDS. CCSDS missions. http: //public. ccsds.org/ implementations/ missions.aspx. 2007
- CCSDS. Space packet protocol[S]. CCSDS 133.0-B-1, Blue Book, September 2003.
- CCSDS. TM space data link protocol[S]. CCSDS 132.0-B-1, Blue Book, September 2003.
- Gu Ying-qi, Tan Wei-chi. CCSDS downlink virtual channel schedule and performance analysis[J]. Chinese Space Science and Technology, 2001,21(3):29-35.(in Chinese)
- Ba Yong, Zhang Nai-tong. Analysis of CCSDS protocol and space data system[D]. Harbin: Harbin Institute of Technology, 2000(in Chinese)
- Mao Yong-cai, Hu Qi-ying. Stochastic Process[M]. Xi’an:Xian Electronics Science and Technology University Press. 2006:39-45(in Chinese)