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Optimum power allocation for sum rate improvement in AF multi-way relay networks

Islam, Shama; Sadeghi, Parastoo; Durrani, Salman


In this paper, we formulate and study the optimum power allocation problem in an amplify and forward (AF) multi-way relay network (MWRN). We derive closed-form analytical expressions for the optimum power allocation coefficients for the data power and the pilot power of the users and the relay to maximize the sum rate. We assume that only long term statistical channel state information (CSI) (i.e., channel variance) are available to each user and the relay. Our results show that to achieve the...[Show more]

CollectionsANU Research Publications
Type: Conference paper
Source: 2014, 8th International Conference on Signal Processing and Communication Systems, ICSPCS 2014 - Proceedings
DOI: 10.1109/ICSPCS.2014.7021105


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