期刊
CMC-COMPUTERS MATERIALS & CONTINUA
卷 66, 期 3, 页码 2831-2842出版社
TECH SCIENCE PRESS
DOI: 10.32604/cmc.2021.013176
关键词
Wireless networks; beyond 5G; 6G communications; terahertz waves; terahertz frequency; terahertz communications
资金
- Research Program through the National Research Foundation of Korea [NRF-2019R1A2C1005920]
Future networks communication scenarios by the 2030s will require higher bandwidths, which can be provided by the Terahertz (THz) frequency band, making it a key direction for the development of future networks.
Future networks communication scenarios by the 2030s will include notable applications are three-dimensional (3D) calls, haptics communications, unmanned mobility, tele-operated driving, bio-internet of things, and the Nanointernet of things. Unlike the current scenario in which megahertz bandwidth are sufficient to drive the audio and video components of user applications, the future networks of the 2030s will require bandwidths in several gigahertzes (GHz) (from tens of gigahertz to 1 terahertz [THz]) to perform optimally. Based on the current radio frequency allocation chart, it is not possible to obtain such a wide contiguous radio spectrum below 90 GHz (0.09 THz). Interestingly, these contiguous blocks of radio spectrum are readily available in the higher electromagnetic spectrum, specifically in the Terahertz (THz) frequency band. The major contribution of this study is discussing the substantial issues and key features of THz waves, which include (i) key features and significance of THz frequency; (ii) recent regulatory; (iii) the most promising applications; and (iv) possible open research issues. These research topics were deeply investigated with the aim of providing a specific, synopsis, and encompassing conclusion. Thus, this article will be as a catalyst towards exploring new frontiers for future networks of the 2030s.
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