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IEEE Transactions on Network and Service Management > 2011 > 8 > 1 > 52 - 64
IEEE Wireless Communications > 2007 > 14 > 5 > 76 - 84
IEEE Transactions on Network and Service Management > 2011 > 8 > 1 > 52 - 64
IEEE Wireless Communications > 2007 > 14 > 5 > 76 - 84