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IEEE Antennas and Wireless Propagation Letters > 2016 > 15 > 1438 - 1441
IEEE Transactions on Communications > 2015 > 63 > 8 > 2985 - 2995
IEEE Communications Magazine > 2013 > 51 > 2 > 82 - 89
IEEE Antennas and Wireless Propagation Letters > 2016 > 15 > 1438 - 1441
IEEE Transactions on Communications > 2015 > 63 > 8 > 2985 - 2995
IEEE Communications Magazine > 2013 > 51 > 2 > 82 - 89