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- Title
Optimal End-to-End Transmission Control of Satellite Networks with Long Delay and High Bit Error Rate.
- Authors
Liang Zong; Yudan Ning; Yong Bai; Chenglin Zhao; Gaofeng Luo
- Abstract
Satellite networks have the characteristics of long transmission delay, high bit error rate (BER), and asymmetric wide band, which seriously influence the performance of traditional TCP/IP networks. In order to adapt to long delay and high BER of satellite networks, a transmission control algorithm was proposed in this study. The amount of data transmission was enhanced to fill the high bandwidth-delay product of satellite links. The transmission factor was used to estimate available bandwidth in slow start. The reason for data loss was evaluated by the data backlog value in congestion avoidance. In this way, the threshold was increased in fast recovery, and the data transmission was improved in a short time. Moreover, the value of the congestion window in slow start and congestion avoidance was analyzed. And the threshold was adjusted by different network conditions. Results demonstrate that the proposed algorithm effectively improves the throughput of satellite links by 57.14% compared with TCP New Reno and also distinguishes different data losses. These findings indicate the transmission mechanism can take lower download response time. The proposed algorithm provides a good prospect to improve the transmission performance of satellite networks.
- Subjects
ERROR rates; BIT error rate; DATA transmission systems; NETWORK performance; TCP/IP; BANDWIDTHS; ALGORITHMS
- Publication
Journal of Engineering Science & Technology Review, 2020, Vol 13, Issue 6, p74
- ISSN
1791-2377
- Publication type
Article
- DOI
10.25103/jestr.136.11