Investigation on Certain Issues Related to Development of Next-Generation Broadband Wireless Networks

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The day-by-day increasing popularity of mobile phones, wearable devices, and other such personal wireless devices has resulted in a huge surge in user-generated data. This trend has been augmented further by the inclusion of new technologies, services, and applications centered on wireless systems. As a result, the expectations from the mobile networks to cater to the new services and traffic conditions are also rising at an equally concerning rate. To tackle this crisis, researchers from academia and industry are looking for ways to improve the existing network capacities by enhancing the current technologies. The challenge is not just limited to upgrading the existing network capabilities but also to ramp up their link-level capacity and augmenting them in providing reliable last-mile connectivity. For this reason, the need for high-capacity wireless links has become particularly significant owing to the prominence of high data-rate enhanced multimedia broadband (eMBB) applications like HD videos, gaming, and Internet-of-Things (IoT) in the overall share of network usage. However, supporting these applications using the existing commercial communication spectrum seems unlikely, as these bands are already congested, and there is hardly any scope for capacity improvement. Therefore, the prospect of communication using the millimeter-wave (mmWave) bands ranging from 30 GHz to 300 GHz frequencies has been explored thoroughly. Due to their large bandwidths and cheap spectrum costs, these frequencies are considered ideal for supporting the eMBB services and other high data-rate applications.
Supervisors: Bose, Sanjay Kumar and Bhattacharjee, Ratnajit
MmWave Communication, 5G Networks, eMBB Applications