Dynamic Channel and Interface Management in Multi-Channel Multi-Interface Wireless Access Networks

Availability of multiple channels and multiple radio interfaces can lead to substantial improvements in the performance of wireless access networks. The optimal allocation of available channels to the users with multiple interfaces however is not a trivial problem especially in a dynamically varying system. In this paper, the authors will consider the problem of channel and radio interface management in multi-channel multi-interface wireless access networks. In their model, there is a set of orthogonal channels which is shared among several users. Furthermore, each user is equipped with a fixed number of radio interfaces through which it can communicate with the access point. They also consider exogenous stochastic packet arrivals for each user which may be queued for future transmissions.