Dynamic Coexistence of Frequency Hopping Networks Using Parallel and Gaussian Allocations

Abstract

This paper studies the coexistence of several independent and dynamic wireless networks using the frequency hopping technique in the unlicensed radio band. We propose a new hopping scheme that allows more networks to collocate effectively, but does not violate federal restrictions regarding frequency constraint (related to the minimum number of frequencies in a hopping set) and time constraint (related to the maximum duration of using a particular frequency). The coexisting networks follow the Gaussian distribution in choosing transmission frequencies from parallel hopping spaces without the overhead of extra message exchange. Simulation results include comparison with other contemporary approaches and establish the viability of the proposed scheme.