A model for interference on links in inter-working multi-hop wireless networks

Authors:
Oladayo Salami;Antoine Bagula;H. Anthony Chan
Affiliations:
Communication Research Group, Electrical Engineering Department, University of Cape Town, Cape Town, South Africa;Communication Research Group, Electrical Engineering Department, University of Cape Town, Cape Town, South Africa;Communication Research Group, Electrical Engineering Department, University of Cape Town, Cape Town, South Africa
Venue:
AST/UCMA/ISA/ACN'10 Proceedings of the 2010 international conference on Advances in computer science and information technology
Year:
2010

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Abstract

Inter-node interference is an important performance metric in interworking multi-hop wireless networks. Such interference results from simultaneous transmissions by the nodes in these networks. Although several interference models exist in literature, these models are for specific wireless networks and MAC protocols. Due to the heterogeneity of link-level technologies in interworking multi-hop wireless networks, it is desirable to have generic models to evaluate interference on links in inter-working multi-hop wireless networks. This paper presents a generic model to provide information about the interference level on a link irrespective of the MAC protocol in use. The model determines the probability of interference and uses the negative second moment of the distance between a receiver-node and interfering-nodes to estimate the interference power on a link. Numerical results of the performance of the model are presented.