Saving Energy for Wireless Transmission: An Important Revelation from Shannon Formula

doi:10.12142/ZTECOM.202101002

ZTE Communications ›› 2021, Vol. 19 ›› Issue (1): 2-10.DOI: 10.12142/ZTECOM.202101002

收稿日期:2020-12-10 出版日期:2021-03-25 发布日期:2021-04-09

Saving Energy for Wireless Transmission: An Important Revelation from Shannon Formula

ZHU Jinkang^1,²(), ZHAO Ming^1,²

^1.Key Laboratory of Wireless-Optical Communications, Chinese Academy of Sciences, Hefei 230027, China
^2.School of Information Science and Technology, University of Science and Technology of China, Hefei 230027, China

Received:2020-12-10 Online:2021-03-25 Published:2021-04-09
About author:ZHU Jinkang (jkzhu@ustc.edu.cn) received the B.E. degree from Sichuan University, China in 1966. He has been a professor of University of Science and Technology of China (USTC) since 1992 and committed to research on wireless mobile communications and networks. He was the leader of the Personal Communication Group of the Communication Subject Expert Group of the National High-Tech Development Program, China. His current research focus is the green wireless communications, wireless big data and wireless AI, emerging theory and technology of wireless communications.|ZHAO Ming received the B.E., M.E. and Ph.D. degrees in electronic engineering and information science from the University of Science and Technology of China (USTC) in 1999, 2002 and 2018, respectively. Now he is an associate professor with the Department of Electronic Engineering and Information Science, USTC. His research interests include non-orthogonal multiple access, heterogeneous networks and green communications.
Supported by:
National Natural Science Foundation of China (NSFC)(61631018)

摘要/Abstract

Abstract:

The reduction of power consumption is important for wireless communications and networks. To develop the energy-saving technologies for future wireless transmissions and networks, this paper presents two basic study points: 1) The multiple events are merged into a single event; 2) the high-order mode is changed to the low-order mode. For this reason, we seek that multiple events in wireless transmission links are fused into a single event from Shannon formulas. We also analyze the relationship between the information modulation and the error correction, and give a fusion structure of error-corrected modulation. The energy-saving performance of the error-corrected modulation method is further analyzed through comparison with the traditional methods of modulation plus error correction. The results of numerical analysis demonstrate the wireless energy saving methods for wireless systems based on Shannon formulas are the achievable efficient schemes.

Key words: wireless saving energy, extension of Shannon formula, error-corrected modulation, energy-saving performance

. [J]. ZTE Communications, 2021, 19(1): 2-10.

ZHU Jinkang, ZHAO Ming. Saving Energy for Wireless Transmission: An Important Revelation from Shannon Formula[J]. ZTE Communications, 2021, 19(1): 2-10.

图/表 8

Figure 1 Current wireless transmission link

Figure 2 Modulation block with one error correction

Figure 3 Error-corrected modulation constellation of (3, 1) coding

Figure 4 Power consumption of event A under different parameters

Figure 5 Energy-saving evaluation function of the traditional link

Figure 6 Power consumption of event A under different parameters

Figure 7 Energy-saving evaluation function of the proposed modulation mode

Figure 8 Error-corrected modulation constellation of (3,1) coding

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Saving Energy for Wireless Transmission: An Important Revelation from Shannon Formula

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