Power-Efficient Data Modulation for All-Mechanical ULF/VLF Transmitters

被引：0
|
作者：
Bin Tarek, Md Tawhid [1 ]
Dharmasena, Shamini [1 ]
Madanayake, Arjuna [1 ]
Choi, Seungdeog [1 ]
Glickstein, Jarred [2 ]
Liang, Jifu [2 ]
Mandal, Soumyajit [2 ]
机构：
[1] Univ Akron, Akron, OH 44325 USA
[2] Case Western Reserve Univ, Cleveland, OH 44106 USA
来源：
2018 IEEE 61ST INTERNATIONAL MIDWEST SYMPOSIUM ON CIRCUITS AND SYSTEMS (MWSCAS) | 2018年
关键词：
ELF;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Miniaturized and power-efficient ULF/VLF (0.3-30 kHz) transmitters are desirable for underground and undersea wireless communications. Transmitters based on rotating permanently-polarized dipoles are promising for such applications. This paper proposes a power-efficient data modulation scheme for such mechanical transmitters based on continuous-frequency FSK (CF-FSK). Theoretical analysis and simulations show that 8-ary CF-FSK is optimal since it minimizes average mechanical torque for a given bit rate. Model predictive control (MPC) of a permanent magnet (PM) motor is proposed for robust implementation of the data modulation scheme. Preliminary results from an experimental prototype are also presented.
引用
收藏
页码：759 / 762
页数：4
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