VeriWave Detects Problem in PLCP in 802.11 Networks
A VeriWave engineer has detected a problem with the physical layer convergence procedure (PLCP) in 802.11 networks that could affect voice quality in VoWiFi applications as well create problems with end-user network authentication. The source of the problem is the single parity bit in the header, which can corrupt the header. To make things worse, the engineer has claimed that due the nature of the problem, the network may not recognize that it is dropping packets, as packet retransmissions would occur during the receiver's blind period.

VeriWave's CTO discovered the problem while working on test generation and wireless performance for the IEEE 802.11t Task Group.



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