Abstract
In the last two decades, metamaterials and metasurfaces have introduced many new electromagnetic (EM) theory concepts and inspired contemporary design methodologies for EM devices and systems. This review focuses on the recent advances in metamaterials (MMs) for simultaneous wireless information and power transmission (SWIPT) technology. In the increasingly complex EM world, digital coding and programmable metamaterials and metasurfaces have enabled commercial opportunities with a broad impact on wireless communications and wireless power transfer. In this review, we first introduce the potential technologies for SWIPT. Then, it is followed by a comprehensive survey of various research efforts on metamaterial-based wireless information transmission (WIT), wireless power transmission (WPT), wireless energy harvesting (WEH) and SWIPT technologies. Finally, it is concluded with perspectives on the rapidly growing SWIPT requirement for 6G. This review is expected to provide researchers with insights into the trend and applications of metamaterial-based SWIPT technologies to stimulate future research in this emerging domain.
Highlights
Metamaterial is an epoch-making and fast-developing research field [1,2,3,4]
This review focuses on the recent advances in metamaterials (MMs) for simultaneous wireless information and power transmission (SWIPT) technology
It is followed by a comprehensive survey of various research efforts on metamaterial-based wireless information transmission (WIT), wireless power transmission (WPT), wireless energy harvesting (WEH) and SWIPT technologies
Summary
Metamaterial is an epoch-making and fast-developing research field [1,2,3,4]. It is an artificial structure consisting of sub-wavelength elements with unusual and advantageous properties not existing in nature [5,6,7]. With the dual physical characteristics of EM waves, SWIPT technology can transmit both information and energy, making it possible for devices to communicate and work simultaneously [59, 60]. An efficient SWIPT system fundamentally relies on the capabilities of WIT, WPT, and WEH Such a system requires the consideration of the trade-off between information and energy. This review elaborates on current major research topics and discusses future development trends of metamaterials in WIT, WPT, WEH, and SWIPT technologies and their future trends. This review is concluded with perspectives of these rapidly growing SWIPT technologies
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