Towards Optimally Exploiting Physical Layer Information in OFDM Wireless Networks

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Executive Summary

Wireless communication is inherently vulnerable in nature and packets can be corrupted due to various reasons. The network performance can potentially be improved if one is able to identify the reasons for packet corruption and react to them accordingly. However, none of the current wireless protocols do so. In this paper, the authors design a novel scheme to diagnose packet corruption in OFDM wireless networks by statistically analyzing certain available physical layer information, based on the observation that different causes of corruption result in different per-symbol-SINR patterns within a packet.

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