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IEEE Communications Surveys & Tutorials > 2010 > 12 > 1 > 124 - 136
IEEE Transactions on Wireless Communications > 2010 > 9 > 9 > 2870 - 2879
IEEE Communications Surveys & Tutorials > 2010 > 12 > 1 > 124 - 136
IEEE Transactions on Wireless Communications > 2010 > 9 > 9 > 2870 - 2879