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http://dx.doi.org/10.7840/kics.2016.41.9.1010

Low Complexity Zero-Forcing Precoder Design for MISO Broadcast Channels Under Per-Antenna Power Constraints  

Park, Hongseok (Yonsei University, School of Electrical and Electronic Engineering)
Jang, Jinyoung (Yonsei University, School of Electrical and Electronic Engineering)
Jeon, Sang-Woon (Andong National University, Department of Information and Communication Engineering)
Chae, Hyukjin (Advanced Communication Technology R&D Laboratory, LG Electronics)
Cha, Hyun-Su (Yonsei University, School of Electrical and Electronic Engineering)
Kim, Donghyun (Agency for Defense Developent, The 2nd R&D Institute)
Kim, Dong Ku (Yonsei University, School of Electrical and Electronic Engineering)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.41, no.9, 2016 , pp. 1010-1019 More about this Journal
Abstract
The K-user multiple-input single-output broadcast channel is considered under per-antenna power constraints, i. e., each transmit antenna must satisfy its own power constraints. A low complexity zeroforcing(ZF) precoder is proposed when the number of transmit antennas M is greater than K. The proposed precoder design significantly reduces computational complexity for the precoder construction while attaining the sum spectral efficiency close to that achievable by the optimal ZF precoder.
Keywords
computational complexity; multi-antenna; per-antenna power constraints; precoder design; zeroforcing;
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Times Cited By KSCI : 1  (Citation Analysis)
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