Near-Optimal Power Allocation and Layer Assignment for LACO-OFDM in Visible Light Communication

被引：0
|
作者：
Sun, Yaqi
Yang, Fang [1 ]
Gao, Junnan
机构：
[1] Tsinghua Univ, Res Inst Informat Technol, Tsinghua Natl Lab Informat Sci & Technol TNList, Beijing 100084, Peoples R China
来源：
GLOBECOM 2017 - 2017 IEEE GLOBAL COMMUNICATIONS CONFERENCE | 2017年
基金：
中国国家自然科学基金;
关键词：
Visible light communication (VLC); orthogonal frequency division multiplexing (OFDM); layered asymmetrically clipped optical OFDM (LACO-OFDM); power allocation; layer assignment; CLIPPED OPTICAL OFDM; ACO-OFDM; SYSTEMS; MODULATION; TRANSMISSION;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, near-optimal optical power allocation and layer assignment for layered asymmetrically clipped optical orthogonal frequency division multiplexing (LACO-OFDM) are investigated. The average electrical power of each subcarrier should be equally allocated via convex optimization in order to obtain the optimal bit error rate performance. The channel capacity of LACO-OFDM with different layers under additive white Gaussian noise serves as the standard to determine the optimal layer number under different signal-to-noise ratio scenarios. Computer simulations have been conducted to verify the validity of the theoretical analysis for the proposed power allocation and layer assignment schemes.
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页数：6
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