Optimal Sum Rate-Fairness Tradeoff for MISO Broadcast Communication Using Zero Forcing DPC

Based on a recently proposed L_1-norm quantitive fairness measure, the optimal tradeoff between sum rate and fairness for MISO downlink communication employing zero-forcing dirty paper coding is provided in this paper. The corresponding achievable schemes are also given for every point lying on the...

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Bibliographic Details
Published in2019 IEEE 90th Vehicular Technology Conference (VTC2019-Fall) pp. 1 - 5
Main Authors Cheng, Yu-ting, Lu, Hsiao-feng
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.09.2019
Subjects
Base stations
Encoding
Indexes
Interference
MIMO communication
MISO communication
Signal to noise ratio
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Summary:Based on a recently proposed L_1-norm quantitive fairness measure, the optimal tradeoff between sum rate and fairness for MISO downlink communication employing zero-forcing dirty paper coding is provided in this paper. The corresponding achievable schemes are also given for every point lying on the tradeoff . In particular, a novel power allocation scheme that takes into account both sum rate and fairness is proposed. Compared to the popular approach of proportional fairness, simulation results show that the new scheme can significantly and simultaneously improve upon the achieved sum rate and fairness.
ISSN:2577-2465
DOI:10.1109/VTCFall.2019.8891476