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Analysis on Packet Loss in Buffer and Link of a Wireless Node
Nodes in wireless networks experiences packet losses caused by the overflow of buffer and overflow of link during packet transmission. Packet loss causes performance degradation. This paper presents a threshold mechanism to control and reduce packet loss in wireless nodes. The buffer overflow is controlled by setting a threshold value which is equal to the buffer size of the node. If the threshold limit is reached, rate of flow of packets is reduced to reduce packet loss. The overflow of link is controlled by setting a threshold value which is equal to the link capacity between the nodes. If the threshold limit is reached, packet loss is decreased by reducing the rate of flow of packets. The simulation results show that packet loss in link and buffer is reduced significantly after introducing threshold mechanism.
Keywords
Packet Loss, Wireless Networks, Link Capacity, Link Utilization, IEEE 802.11.
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