naa a22 4500 510791530 CHVBK 20180411083321.0 cr unu---uuuuu 180411e20130701xx s 000 0 eng 10.1007/s11277-012-0817-x doi (NATIONALLICENCE)springer-10.1007/s11277-012-0817-x Performance Analysis of an Improved Common Radio Resource Management Algorithm Based on Load Balance and Service Characteristics [Elektronische Daten] [Zheng Shi, Qi Zhu, Xiaorong Zhu] In order to provide users with satisfactory quality of service and reduce service cost as much as possible, a key issue is how to manage radio resources reasonably and effectively in heterogeneous wireless networks (HWNs). Based on load balance and service characteristics, a common radio resource management (CRRM) algorithm for HWNs consisting of CDMA2000 and IEEE802.11 is proposed. The proposed algorithm selects appropriate access and handoff networks for new and handoff calls respectively, according to users' mobility characteristic, location information, service type and network load. The performance of the proposed algorithm is analyzed based on a three-dimensional Markov chain model. Based on the HWNs model and handoff rate analysis, the model's parameters are determined. In order to resolve the steady-state distribution of the three-dimensional Markov model, successive over-relaxation iteration method is adopted to work out steady state equations. According to the steady state probabilities of the Markov model, the closed formulas of HWNs performance metrics are given to evaluate the proposed CRRM algorithm, e.g. call blocking probability, handoff blocking probability, throughput, and service cost. For the purpose of illustrating advantages of the proposed algorithm, two other CRRM algorithms are employed for comparison. The simulation results show that the proposed algorithm can effectively reduce call blocking probability, and improve HWNs throughput. Springer Science+Business Media, LLC., 2012 Load balancing nationallicence Service nationallicence Common radio resource management nationallicence Vertical handoff nationallicence Heterogeneous wireless networks nationallicence Markov model nationallicence Shi Zheng Jiangsu Key Lab of Wireless Communications, Key Lab on Wideband Wireless Communications and Sensor Network Technology of Ministry of Education, Department of Telecommunication and Information Engineering, Nanjing University of Posts and Telecommunications, 210003, Nanjing, Jiangsu, China aut Zhu Qi Jiangsu Key Lab of Wireless Communications, Key Lab on Wideband Wireless Communications and Sensor Network Technology of Ministry of Education, Department of Telecommunication and Information Engineering, Nanjing University of Posts and Telecommunications, 210003, Nanjing, Jiangsu, China aut Zhu Xiaorong Jiangsu Key Lab of Wireless Communications, Key Lab on Wideband Wireless Communications and Sensor Network Technology of Ministry of Education, Department of Telecommunication and Information Engineering, Nanjing University of Posts and Telecommunications, 210003, Nanjing, Jiangsu, China aut Wireless Personal Communications Springer US; http://www.springer-ny.com 71/1(2013-07-01), 317-338 0929-6212 71:1<317 2013 71 11277 https://doi.org/10.1007/s11277-012-0817-x text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s11277-012-0817-x text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Shi Zheng Jiangsu Key Lab of Wireless Communications, Key Lab on Wideband Wireless Communications and Sensor Network Technology of Ministry of Education, Department of Telecommunication and Information Engineering, Nanjing University of Posts and Telecommunications, 210003, Nanjing, Jiangsu, China aut NATIONALLICENCE 700 1- Zhu Qi Jiangsu Key Lab of Wireless Communications, Key Lab on Wideband Wireless Communications and Sensor Network Technology of Ministry of Education, Department of Telecommunication and Information Engineering, Nanjing University of Posts and Telecommunications, 210003, Nanjing, Jiangsu, China aut NATIONALLICENCE 700 1- Zhu Xiaorong Jiangsu Key Lab of Wireless Communications, Key Lab on Wideband Wireless Communications and Sensor Network Technology of Ministry of Education, Department of Telecommunication and Information Engineering, Nanjing University of Posts and Telecommunications, 210003, Nanjing, Jiangsu, China aut NATIONALLICENCE 773 0- Wireless Personal Communications Springer US; http://www.springer-ny.com 71/1(2013-07-01), 317-338 0929-6212 71:1<317 2013 71 11277 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer