In wireless sensor networks (WSNs), congestion  may bring about degradation of overall channel quality and  increased loss rates, leads to buffer drops and enlarged delays,  and tends to be disgustingly unfair toward nodes whose data  has to traverse a larger number of hops. Provisioning a WSN so that congestion is an infrequent occasion is quite challenging  ask. This paper presents a performance comparison study  focusing the most relevant congestion control transport  protocols for wireless sensor networks. The main objective is to  study some characteristics of these types of protocols, focus in energy saving and penalty fidelity with the help of  simulations.

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