Alleviating upstream congestion by using MSBPCCP in distributed networks
by Sudhir N. Dhage; B.B. Meshram
International Journal of Mobile Network Design and Innovation (IJMNDI), Vol. 6, No. 1, 2015

Abstract: The congestion is one of the major challenge in wireless sensor network (WSN). Congestion occurs due to buffer-overflow, channel-contention, packet-collision, reporting-rate, may be dynamic time varying wireless channel condition. Its causes overall channel quality to degrade, raise packet loss which lead to buffer drops and increased delays and consume excess energy. Therefore, it needs to be control the congestion in WSN to support quality-of-services and extend lifespan of system. Hence, to address this challenge, we proposed an efficient protocol which mitigate congestion and allocate appropriate source-rate to each-node in WSN. The proposed protocol is modified SB priority-based congestion control protocol (MSBPCCP) to avoid an upstream congestion in WSN. With the help of ratio of packet inter-arrived-time along with packet-service-time, PCCP measure the congestion level/degree. Secondly, it creates priority-index based on importance of each-node. Along with congestion-degree and priority-index MSBPCCP control upstream congestion. The MSBPCCP may avoid packets drops due to traffic congestion and improve the network throughput by providing the better quality of services.

Online publication date: Tue, 05-May-2015

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