2016/05/01 by Abhishek K. Gupta, Gupta, Abhishek K., Ahmed Alkhateeb +5
Engineering · #FOS: Computer and information sciences #ICT Impact and Policies #Information Theory (cs.IT)
paper · pdf · doi:10.48550/arxiv.1605.00205
openalex publication_date 2016/05/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
Sharing the spectrum among multiple operators seems promising in millimeter\nwave (mmWave) systems. One explanation is the highly directional transmission\nin mmWave, which reduces the interference caused by one network on the other\nnetworks sharing the same resources. In this paper, we model a mmWave cellular\nsystem where an operator that primarily owns an exclusive-use license of a\ncertain band can sell a restricted secondary license of the same band to\nanother operator. This secondary network has a restriction on the maximum\ninterference it can cause to the original network. Using stochastic geometry,\nwe derive expressions for the coverage and rate of both networks, and establish\nthe feasibility of secondary licensing in licensed mmWave bands. To explain\neconomic trade-offs, we consider a revenue-pricing model for both operators in\nthe presence of a central licensing authority. Our results show that the\noriginal operator and central network authority can benefit from secondary\nlicensing when the maximum interference threshold is properly adjusted. This\nmeans that the original operator and central licensing authority have an\nincentive to permit a secondary network to restrictively share the spectrum.\nOur results also illustrate that the spectrum sharing gains increase with\nnarrow beams and when the network densifies.\n