A significant amount of wireless traffic will be carried in the Internet, and wireless connections need to share the network resources with wired connections. However, in a wireless network environment, TCP, one of the most important transport protocol of TCP/IP, suffers from significant throughput degradation due to the lossy characteristics of a wireless link. Therefore, in order to design the next generation mobile networks, it is necessary to know how much the wireless connection suffers from the degradation in comparison to the wired connection. This paper discusses the fairness issue between TCP connections over wireless and wired links, and theoretically analyze throughput fairness between TCP over wireless link with ARQ(Automatic Repeat reQuest)-based link layer error recovery and TCP over error-free wired link.
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