Performance analysis of cooperative diversity in hierarchical heterogeneous radio access networks

Authors:
Hengyou Wang;Mugen Peng;Wenbo Wang;Hequan Wu
Affiliations:
Beijing University of Posts and Telecommunications, Beijing, China;Beijing University of Posts and Telecommunications, Beijing, China;Beijing University of Posts and Telecommunications, Beijing, China;China Academy of Telecommunications Technology, Beijing, China
Venue:
Proceedings of the 6th International Wireless Communications and Mobile Computing Conference
Year:
2010

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Abstract

An outage probability analysis model is presented to evaluate performances and show key factors impacting on performances for the heterogeneous relaying scheme utilized to complete the hierarchical convergence of multiple radio access networks (RANs). The diversity gains related to the multiple access schemes and power constraints are analyzed. Our analytical and simulation results show that the outage probability mainly depends on the number of cooperative relay nodes, multiple access scheme, normalized power, and radio channel characteristics. Meanwhile, the power constraint for relay nodes does not have much impact on the outage performance especially when the broadcast/multicast radio channel condition is good enough.