A quality of relay-based routing scheme in multi-hop cellular networks

Authors:
Ming-Hua Lin;Kuen-Liang Sue
Affiliations:
Department of Information Management, Shih Chien University, Taipei, Taiwan;Department of Information Management, National Central University, Jhongli City, Taoyuan County, Taiwan
Venue:
ICOIN'06 Proceedings of the 2006 international conference on Information Networking: advances in Data Communications and Wireless Networks
Year:
2006

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Abstract

Discovering an available relaying path is a critical prerequisite for the success of the multi-hop cellular networks Since forwarding data for others utilizes the resources of the mobile nodes such as battery energy, link bandwidth, buffer space and processing time, the mobile nodes may accept only a certain number of relaying requests In this paper, we propose a Quality of Relay (QoR)-based routing scheme to select a routing path between a mobile node and the central base station based on the individual importance of each intermediate node contributing to hop-by-hop connections The proposed routing scheme can retain more valuable resource for later relaying requests, thereby supporting more connections successfully Simulation results indicate that the proposed routing scheme causes a lower new call blocking probability than the shortest-path routing scheme under a certain constraint on maximum relaying capacity of each mobile node.