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Performance of Overlaid MIMO Cellular Networks with TAS/MRC Under Hybrid-Access Small Cells and Poisson Field Interference

AbdelKhalek Abdelnabi, Amr and Fawaz S. Al-Qahtani, Fawaz and Redha M. Radaydeh, Redha and Mohammed Shaqfeh, Mohamed and Raed F. Manna, Raed (2017) Performance of Overlaid MIMO Cellular Networks with TAS/MRC Under Hybrid-Access Small Cells and Poisson Field Interference. In: The 2017 IEEE 86th Vehicular Technology (VTC2017-Fall), 24-27 September 2017, Toronto, Canada.

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Abstract

This paper presents new approaches to characterize the achieved performance of hybrid control-access small cells in the context of two-tier multi-input multi-output (MIMO) cellular networks with random interference distributions. The hybrids cheme at small cells (such as femtocells) allows for sharing radio resources between the two network tiers according to the densities of small cells and their associated users, as well as the observed interference power levels in the two network tiers. The analysis considers MIMO transceivers at all nodes, for which antenna arrays can be utilized to implement transmit antenna selection (TAS) and receive maximal ratio combining (MRC) under MIMO point-to-point channels. Moreover, it targets network-level models of interference sources inside each tier and between the two tiers, which are assumed to follow Poisson field processes. To fully capture the occasions for Poisson field distribution on MIMO spatial domain. Two practical scenarios of interference sources are addressed including highly-correlated or uncorrelated transmit antenna arrays of the serving macrocell base station. The analysis presents new analytical approaches that can characterize the downlink outage probability performance in any tier. Furthermore, the outage performance in high signal-tonoise (SNR) regime is also obtained, which can be useful to deduce diversity and/or coding gains.

Item Type: Conference or Workshop Papers (Paper)
Subjects: UNSPECIFIED
Divisions: UNSPECIFIED
Depositing User: Amro AbdelKhalek Abdelnabi Hussein
Date Deposited: 05 Oct 2017 07:51
Last Modified: 05 Oct 2017 07:51
URI: http://eprints.networks.imdea.org/id/eprint/1694

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