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IEEE Communications Magazine > 2008 > 46 > 3 > 50 - 57
IEEE Communications Magazine > 2008 > 46 > 3 > 58 - 66
IEEE Transactions on Consumer Electronics > 2008 > 54 > 1 > 171 - 178
IEEE Communications Magazine > 2007 > 45 > 12 > 60 - 61