BROADCASTING THE MESSAGE OVER THE NETWORK USING DIFFERENT FREQUENCY AND TIMING TECHNIQUE TO BYPASS THE JAMMERS

Pooja.S, Pooja.K.B

Abstract: The author addresses the problem of Jammers present in wireless network by jamming the user signals by adding more interference signals. This paper gives the solution to recover the jamming signals to receive the emergency broadcasting message. This paper implements a novel time-delayed broadcast scheme (TDBS). The transmissions are unicast and are broadcasted in a series in consideration with time and frequency. TDBS neither reckons on the secrets that are shared nor on the controlling channels of the jammer system for coordinating the broadcasts. Instead there is presence of Pseudo Noise (PN) frequency hopping system which is unique and followed by every single node. TDBS is divergent from the designs of Frequency Hopping Spread Spectrum (FHSS) and these nodes do not follow the same Frequency Hopping (FH) sequence, instead they are deputized with unique ones. Contradicting to every other typical broadcast where all the receivers have similar channels, TDBS have the transmissions that are unicast and present in series to broadcast the messages using time and frequency. For the flexibility of the jammers present inside, the unicast transmissions location that is defined by the frequency band are partially known to the subset of receivers. By making an assumption that the jammers can thwart with very few number of frequency bands, the subset of transmissions are thwart-free and thus proliferating the broadcasted messages.

Keywords: Jamming, Broadcast Communications, Denial-of-Service, Wireless Networks, Graph Factorization, Security.

DOI: https://doi.org/10.15623/ijret.2016.0509048