Preprint Article Version 1 This version is not peer-reviewed

Modeling and Analyzing Multi-tier Millimeter/Micro Wave Hybrid Caching Networks

Version 1 : Received: 15 June 2018 / Approved: 15 June 2018 / Online: 15 June 2018 (15:24:27 CEST)

How to cite: Zhao, J.; Zhao, S.; Qu, H.; Ren, G. Modeling and Analyzing Multi-tier Millimeter/Micro Wave Hybrid Caching Networks. Preprints 2018, 2018060263 (doi: 10.20944/preprints201806.0263.v1). Zhao, J.; Zhao, S.; Qu, H.; Ren, G. Modeling and Analyzing Multi-tier Millimeter/Micro Wave Hybrid Caching Networks. Preprints 2018, 2018060263 (doi: 10.20944/preprints201806.0263.v1).

Abstract

In the fifth generation communication system, millimeter wave (mmWave) networks will coexist with traditional micro wave (μWave) networks, which allows for higher data transmission rate and better user experience. In this paper, we give a comprehensive framework of mathematical models and analytical methods for multi-tier mmWave and μWave hybrid caching networks based on stochastic geometry. We propose an association strategy by assuming average biased-received power association and Rayleigh fading. Accordingly, by using a D-ball approximating blockage model of mmWave networks, expressions of the cell association probability and the coverage probability of the hybrid networks are derived. Also, we use the average successful delivery probability as the performance metric to analyze the existing caching placement strategies. Simulation results validate the accuracy of our analytical conclusions.

Subject Areas

Multi-tier hybrid caching networks; stochastic geometry; millimeter wave; average successful delivery probability; performance analysis

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