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Optimal Orthogonal Carriers and Sum-SINR/Sum-Capacity of the Multiple-Access Vector Channel

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2 Author(s)
Lili Wei ; Dept. of Electr. Eng., State Univ. of New York at Buffalo, Buffalo, NY, USA ; Pados, D.A.

For the general correlated multiple-access vector channel, we derive algebraically the sum-SINR (signal-to-interference-plus-noise ratio) optimal orthonormal set of carriers for any given set of carrier amplitudes. If, in addition, the correlated multiple-access channel is assumed Gaussian, the sum-capacity optimal orthonormal carrier set design and the jointly sum-capacity optimal orthonormal carrier and power assignment, for a given power budget, follow readily.

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Communications, IEEE Transactions on  (Volume:60 ,  Issue: 5 )