Effect of High Error Rate on the Behaviour of TCP Variants Using Realistic Error Model in Cellular Mobile Environment

Provided by: International Journal of Emerging Technology and Advanced Engineering (IJETAE)
Topic: Mobility
Format: PDF
TCP performance in the wireless environments is impacted by two path characteristics not normally present in wired environments: packet losses due to corruption and mobility. There are two mechanisms to model the wireless packet losses in simulation: uniform error model and the realistic error model (two states). Uniform error model tends to produce inaccurate results, because in this error model packets are lost at a constant rate during the whole simulation. But in wireless environments, packet losses are random, bursty and time varying in nature. Realistic error model mimics this behavior of the wireless packet loss properly and produces accurate results.

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