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OFDMA Cellular Networks with Opportunistic Two-Hop Relays
2009
EURASIP Journal on Wireless Communications and Networking
We investigate the benefits of two-hop opportunistic relay in time division duplex (TDD) OFDMA cellular network configurations. The paper starts with a short analytical model for the two-hop opportunistic relay. The model expresses the probability of finding a suitable relay node in the presence of lognormal fading and it allows the computation of the expected number of out-of-coverage nodes, as well as the end-to-end spectrum efficiency increase due to opportunistic relaying. The paper then
doi:10.1155/2009/702659
fatcat:uakl5uglfzcv3pqs2naf5wby4m