TCP-WBQ: a backlog-queue-based congestion control mechanism for heterogeneous wireless networks

Author:

Tang Junyong,Jiang Yufei,Dai Xirong,Liang Xiangyang,Fu Yanfang

Abstract

AbstractIn heterogeneous wireless networks, random packet loss and high latency lead to conventional TCP variants performing unsatisfactorily in the case of competing communications. Especially on high-latency wireless links, conventional TCP variants are unable to estimate congestion degrees accurately for fine-grained congestion control because of the effects of random packet loss and delay oscillations. This paper proposes a TCP variant at the sender side to identify congestion degrees, namely TCP-WBQ, which quickly responses to the real congestion and effectively shields against random packet loss and oscillations of latency time. The proposed algorithm of congestion control firstly constructs a backlog-queue model based on the dynamics of the congestion window, and deduces the two bounds of the model which delimit oscillations of the backlog queue for non-congestion and random packet loss respectively. TCP-WBQ detects congestion degrees more accurately and thus implements the corresponding schemes of adjusting the congestion window, maintaining a tradeoff between high throughputs and congestion avoidance. The comprehensive simulations show that TCP-WBQ works efficiently in bandwidth utilization with single and multiple bottleneck scenarios, and achieves high performance and competitive fairness in heterogeneous wireless networks.

Funder

The 13th Five-Year Plan for Equipment Development Pre-research Project

The China Scholarship Council

Publisher

Springer Science and Business Media LLC

Subject

Multidisciplinary

Cited by 3 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. A robust PID and RLS controller for TCP/AQM system;Journal of Network and Computer Applications;2024-09

2. Adaptive Congestion Control Mechanism to Enhance TCP Performance in Cooperative IoV;IEEE Access;2023

3. Analysis of transmission control protocol in next generation networks;i-manager’s Journal on Wireless Communication Networks;2023

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