PLC分组自适应MIMO-OFDM调制方法

2020 IEEE 3rd International Conference on Information Communication and Signal Processing (ICICSP) Pub Date : 2020-09-01 DOI:10.1109/ICICSP50920.2020.9232039

Yingxue Li, Min Zhang, Xiao Zhang, Guocheng Li, Jun Lu

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引用次数: 0

摘要

为了保证电力线载波通信的时效性和可靠性，提出了一种基于业务时延和误码率要求的MIMO-OFDM分组自适应调制方法。首先，从时效性的角度将电力线通信业务分为实时业务和非实时业务。然后，从可靠性的角度，将业务分为高级业务和低级业务。在此基础上，自适应选择分组策略和调制方式。仿真结果表明，该方法的计算迭代次数小于无分组算法。通过对分组算法的比较，避免了分组带来的额外业务延迟，提高了子载波的加载效率。

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A Grouping Adaptive MIMO-OFDM Modulation Method for PLC

In order to ensure the timeliness and reliability of power line carrier communication, a grouping adaptive MIMO-OFDM modulation method based on the requirements of service delay and bit error rate was proposed.Firstly, the power line communication service is divided into real-time(RT) service and non-real-time(NRT) service from the perspective of timeliness. Then, from the perspective of reliability, the business is divided into high-level business and low-level business. On this basis, the grouping strategy and modulation mode are selected adaptively. The simulation results show that the computation iteration times of this method is less than that of the no-grouping algorithm.By comparing the grouping algorithm, the extra service delay caused by grouping is avoided and the sub-carrier loading efficiency is improved.

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来源期刊

2020 IEEE 3rd International Conference on Information Communication and Signal Processing (ICICSP)

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