TCP Traffic Control Evaluation and Reduction over Wireless Networks Using Parallel Sequential Decoding Mechanism

The assumption of TCP-based protocols that packet error (lost or damaged) is due to network congestion is not true for wireless networks. For wireless networks, it is important to reduce the number of retransmissions to improve the effectiveness of TCP-based protocols. In this paper, the authors consider improvement at the data link layer for systems that use stop-and-wait ARQ as in IEEE 802.11 standard. They show that increasing the buffer size will not solve the actual problem and moreover it is likely to degrade the Quality of Delivery (QoD).