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https://hdl.handle.net/10356/82923| Title: | Energy and spectral efficiency of leakage-based precoding for large-scale MU-MIMO systems | Authors: | Tran, Tuong Xuan Teh, Kah Chan |
Keywords: | Massive MIMO system SLNR-based scheme |
Issue Date: | 2015 | Source: | Tran, T. X., & Teh, K. C. (2015). Energy and Spectral Efficiency of Leakage-Based Precoding for Large-Scale MU-MIMO Systems. IEEE Communications Letters, 19(11), 2041-2044. | Series/Report no.: | IEEE Communications Letters | Abstract: | We study the capacity performance of signal-toleakage- and-noise ratio precoding scheme (SLNR-PS) for largescale multiuser multiple-inputmultiple-output systems.We derive capacity bounds of SLNR-PS when the number of base station antennas N is large. A trade-off between energy efficiency (EE) and spectral efficiency (SE) is defined for the case of equal power allocation. Based on this trade-off, the closed-form expressions of optimal SE and optimal number of BS antennas for maximizing EE are derived, respectively. In addition, we consider the EE optimization problem under both maximum transmit power and quality of service constraints. The energy-efficient power allocation scheme is obtained to solve this optimization problem. Numerical simulations verify the benefits of the proposed scheme. | URI: | https://hdl.handle.net/10356/82923 http://hdl.handle.net/10220/40371 |
ISSN: | 1089-7798 | DOI: | 10.1109/LCOMM.2015.2475757 | Rights: | © 2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The published version is available at: [http://dx.doi.org/10.1109/LCOMM.2015.2475757]. | Fulltext Permission: | open | Fulltext Availability: | With Fulltext |
| Appears in Collections: | EEE Journal Articles |
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| Energy and spectral efficiency of leakage-based precoding for large-scale MU-MIMO systems.pdf | 641.22 kB | Adobe PDF |  View/Open |
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