Maximizing Spectrum Availability and Exploitation: How to Maximize Spectrum Sharing Benefits to the Incumbents?
Nilesh Khambekar, Chad M. Spooner, and Vipin Chaudhary

TL;DR
This paper explores how to maximize spectrum sharing benefits for incumbents by optimizing spectrum availability and exploitation through joint scheduling and spectrum footprint allocation, considering various design choices.
Contribution
It introduces a suboptimal approach based on minimal spectrum consumption cost and analyzes design choices to enhance spectrum sharing efficiency.
Findings
Active incumbents improve spectrum sharing
Fine granular spectrum access increases utilization
Transceiver standards are crucial for efficiency
Abstract
A significant portion of the radio frequency spectrum remains underutilized due to exclusive and static allocation of spectrum. Provisioning secondary access to the underutilized spectrum could be beneficial to the incumbents if they could gain significant value out of the fallow spectrum while ensuring protection of their primary services. From an incumbent perspective, the spectrum sharing approach needs to be non-harmful as well as efficient. In order to make spectrum sharing efficient, it is necessary to maximize the spectrum available for secondary access as well as maximize its exploitation. We examine the impact of the conservative assumptions that lead to lesser availability of spectrum for secondary access. The problem of joint scheduling and spectrum-access footprint allocation is at the heart of maximizing the exploitation. This problem is NP-hard and we present a suboptimal…
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Taxonomy
TopicsCognitive Radio Networks and Spectrum Sensing · Advanced MIMO Systems Optimization · Advanced Wireless Network Optimization
