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Power Control Techniques for Two-Stream MIMO System With Maximum Likelihood Receiver

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2 Author(s)
Jaesang Ham ; Sch. of Electr. & Comput. Eng., Purdue Univ., Lafayette, LA, USA ; Chungyong Lee

In this letter, simple power control techniques are proposed to minimize error probability of a two-stream multiple-input multiple-output (MIMO) system with two transmit antennas and a maximum likelihood (ML) receiver, which is known as an optimal receiver but has a high computational complexity problem. The proposed techniques using Euclidean distances of a few error vectors have the advantages of exactly same error performance and very low computational complexity, compared with an optimal power control technique.

Published in:

Signal Processing Letters, IEEE  (Volume:17 ,  Issue: 7 )