Video Data Analytics for Smart City Applications: Methods and Trends

Challenges and Security in Terahertz Band for Wireless Communication

Author(s): Kannadhasan Suriyan* and Nagarajan Ramalingam

Pp: 85-98 (14)

DOI: 10.2174/9789815123708123010009

* (Excluding Mailing and Handling)


As society generates, transmits, and consumes information, wireless data traffic has grown dramatically in recent years. As a result of this shift, there has been a surge in demand for even faster wireless networking that can be used anywhere and at any time. Over the last three decades, the amount of data sent wirelessly has tripled every eighteen months, reaching the capacity of wired networks. Wireless Terabit-persecond (Tbps) connections will be a reality in the next five to ten years, if current trends continue. Support for these extraordinarily high data speeds will need advanced physical layer technologies, notably present spectral bands. Terahertz Band networking is envisioned as a vital wireless technology to meet this need, alleviating bandwidth depletion and power limits in present wireless networks, and allowing a deluge of longawaited applications across a variety of industries. THz is a spectral band with frequencies ranging from 0.1 to 10 GHz. Despite the fact that the frequency ranges immediately below and above this band (microwaves and far infrared, respectively) have attracted a lot of attention, this is still one of the least explored contact bands.

Keywords: Bandwidth, Cellular networks and 5G communication, Spectroscopy, Terahertz.

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