Title: Cooperative Connectivity Models for Wireless Relaying Networks
Authors: John Boyer, David D. Falconer, Halim Yanikomeroglu (Poster I, 4)

ABSTRACT

A framework for modeling cooperative connectivity is developed that exposes the relationship between available system resources and achievable connectivity. The resources considered are the available number of orthogonal relaying channels, the ability of relays and destinations to diversity combine signals on a single common channel, the ability of relays and destinations to diversity combine signals on orthogonal channels, the ability of transmitters to transmit signals on multiple orthogonal channels, and the ability of receivers to cancel the effects of interhop interference. Connectivity equations are derived that specify the relationship between available resources and achievable connectivity. A system model is presented for calculating the probability of decoding error for generally connected wireless relaying networks with various relaying methods. The cooperative connectivity models are compared via simulation to analyze the performance impact of constraints on the resources for various relaying methods and network topologies. Application of the framework to relevant diversity techniques presented in the literature indicates that the literature published so far has only started to explore the richness of the problem domain. Finally, various analytic results are discussed, general guidance is given for the order in which system resource constraints should be lifted, and some promising cooperative connectivity models are highlighted for further study.