Gains of Restricted Secondary Licensing in Millimeter Wave Cellular Systems

Abhishek K. Gupta, Ahmed Alkhateeb, Jeffrey G. Andrews, Robert W. Heath

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Sharing the spectrum among multiple operators seems promising in millimeter wave (mmWave) systems. One explanation is the highly directional transmission in mmWave, which reduces the interference caused by one network on the other networks sharing the same resources. In this paper, we model a mmWave cellular system, where an operator that primarily owns an exclusive-use license of a certain band can sell a restricted secondary license of the same band to another operator. This secondary network has a restriction on the maximum interference it can cause to the original network. Using stochastic geometry, we derive expressions for the coverage and the rate of both networks, and establish the feasibility of secondary licensing in licensed mmWave bands. To explain economic tradeoffs, we consider a revenue-pricing model for both operators in the presence of a central licensing authority. Our results show that the original operator and central network authority can benefit from secondary licensing when the maximum interference threshold is properly adjusted. This means that the original operator and central licensing authority have an incentive to permit a secondary network to restrictively share the spectrum. Our results also illustrate that the spectrum sharing gains increase with narrow beams and when the network densifies.

Original languageEnglish (US)
Article number7585121
Pages (from-to)2935-2950
Number of pages16
JournalIEEE Journal on Selected Areas in Communications
Volume34
Issue number11
DOIs
StatePublished - Nov 1 2016
Externally publishedYes

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Millimeter waves
Economics
Geometry
Costs

Keywords

  • Millimeter wave cellular systems
  • secondary licensing
  • spectrum sharing

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Electrical and Electronic Engineering

Cite this

Gains of Restricted Secondary Licensing in Millimeter Wave Cellular Systems. / Gupta, Abhishek K.; Alkhateeb, Ahmed; Andrews, Jeffrey G.; Heath, Robert W.

In: IEEE Journal on Selected Areas in Communications, Vol. 34, No. 11, 7585121, 01.11.2016, p. 2935-2950.

Research output: Contribution to journalArticle

Gupta, Abhishek K. ; Alkhateeb, Ahmed ; Andrews, Jeffrey G. ; Heath, Robert W. / Gains of Restricted Secondary Licensing in Millimeter Wave Cellular Systems. In: IEEE Journal on Selected Areas in Communications. 2016 ; Vol. 34, No. 11. pp. 2935-2950.
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