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In this paper, the authors focus on various experiments conducted to analyze the performance of Transmission Control Protocol (TCP) and Universal Datagram Protocol (UDP) based applications in a IEEE 802.16 deployed network. They analyze the effect of Medium Access Control (MAC) and Physical layer characteristics on the performance of TCP and UDP-based applications. Their key findings are: throughput achieved by TCP-based applications is lower than that of UDP-based applications, slot utilization of TCP-based applications is lower than that of UDP-based applications and throughput of TCP-based applications suffers in the presence of UDP-based applications for similar channel states. They also observe that throughput achieved by both TCP and UDP-based applications with Automatic Repeat ReQuest (ARQ) set in system are higher as compared to that of without ARQ.
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