A cooperative protocol for jamming eavesdroppers in wireless networks

We present a jamming protocol for secrecy-enhanced wireless networks in which otherwise silent devices are selected as jammers to cause interference to potential eavesdroppers. This cooperative protocol includes several jammer selection policies that lead to different levels of secrecy-energy tradeoffs. Our results show that there is some advantage over selecting well-connected jammers and there is a need for a minimum number of jammers for the energy cost of jamming to payoff.