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Mobile Information Systems
Volume 2015 (2015), Article ID 473763, 7 pages
Research Article

R2S: Radio Resource Sharing for Wireless Network Reliability in Internet of Things

1Department of Information and Telecommunication Engineering, Kunsan National University, Gunsan 573-701, Republic of Korea
2Department of Electrical, Electronic and Control Engineering and IITC, Hankyong National University, Anseong, Gyeonggi 456-749, Republic of Korea

Received 11 April 2015; Revised 24 July 2015; Accepted 27 July 2015

Academic Editor: David Grace

Copyright © 2015 Kisong Lee and Howon Lee. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Internet of Things is a system where people and things with unique identifiers are connected and able to interact with each other over a network without external intervention. To connect things anytime, network reliability is one of the main requirements for the Internet of Things, in which continuous service can be provided to nodes even in the event of a sudden network failure. To serve consistent quality of service for nodes in any case, we propose a radio resource sharing (R2S) method which consists of scheduling and power allocation using an optimization method. By evaluating performances with respect to average cell capacity and outage probability in simulations, we show that the R2S algorithm can solve a coverage hole problem efficiently in Internet of Things.