Abstract

Aggressive Packet Combining (APC) [6] scheme is well established for receiving correct packet in high error prone wireless link. In APC three copies of a packet are transmitted and receiver does bit wise majority decision to get correct copy. Major research lacuna of the APC is if two or more copies of the packet become erroneous at a particular bit location the operation of the majority logic fails to correct the error, besides the majority logic is applied after the three copies of the packet are received which causes unnecessary delay due to transmission of the two redundant packets. To address the above limitations of the APC, we propose in this paper a new method of correction in APC mode. Analytical results & simulation studies establish that the proposed new method of correction is superior to majority logic based correction in APC.

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