Collision avoidance scheme for MB-OFDM using Adaptive Symbol Skipping

In this paper for MB-OFDM piconets the probabilities of symbol collision and symbol skipping are theoretically analyzed in the case that both the desired and interfering piconets employ adaptive symbol skipping (ASS). In this scheme energy detection is employed and symbol transmission is skipped in order to avoid collision. Thermal noise is taken into account for analysis of the probabilities are calculated based on chi-square distribution. The assumed ASS shows better performance than the scheme in which only the desired piconet employs the ASS.