Performance Analysis of Cooperative Diversity on the Usage of Opportunistic Relay
Journal: The Journal of the Institute of Internet, Broadcasting and Communication (Vol.14, No. 2)Publication Date: 2014-04-30
Authors : Tae-Wook Kim; Hyung-Yun Kong;
Page : 7-12
Keywords : Cooperative Communication; Relay Using Scheme; Decode and Forward; Maximum Ratio Combining;
Abstract
The data forwarding transmission is an important function of the relay in cooperative communication in wireless communication systems. However, additional relay cause the waste of power consumption and cost. Therefore, in this paper, we consider how to use the user mobile devices in stead of relays to deal with this problem. In this paper, we proposed the protocol that divide each relay into two states of idle and non-idle. The receiver has two functions of base station and user mobile device. In this case, it is possible that no additional cost, and improve the spectral efficiency and network capacity. We verified BER performance for the proposed protocol over Rayleigh fading through Monte-Carlo simulation.
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