Journal
IEEE WIRELESS COMMUNICATIONS LETTERS
Volume 4, Issue 3, Pages 285-288Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LWC.2015.2409268
Keywords
Multiple-input-multiple-output (MIMO); massive MIMO; millimeter wave; hybrid precoding; transceiver
Categories
Funding
- Ministry of Science and Technology, Taiwan [MOST103-2622-E-194-008-CC1]
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In this letter, a new algorithm for millimeter wave multiple-input-multiple-output hybrid (mixed RF and baseband) transceiver design is proposed. The proposed algorithm iteratively updates the phases of the phase-shifters in the RF precoder (or RF combiner) to minimize the weighted sum of squared residuals between the optimal full-baseband design and the hybrid design, and is guaranteed to converge to at least a local optimal solution. Simulation results show that the proposed iterative design can achieve almost the same performance as the optimal full-baseband design, in spite of using a much smaller number of RF chains.
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