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• W1904967504 endingPage "3881" @default.
• W1904967504 startingPage "3869" @default.
• W1904967504 abstract "Expressions are derived for the coverage probability and average rate of both multi-user multiple input multiple output (MU-MIMO) and single input multiple output (SIMO) systems in the context of a fractional frequency reuse (FFR) scheme. In particular, given a reuse region of $frac{1}{3}$ (FR3) and a reuse region of 1 (FR1) as well as a signal-to-interference-plus-noise-ratio (SINR) threshold $S_{th}$ , which decides the user assignment to either the FR1 or FR3 regions, we theoretically show that: $1)$ the optimal choice of $S_{th}$ which maximizes the coverage probability is $S_{th} = T$ , where $T$ is the target SINR required for ensuring adequate coverage, and $2)$ the optimal choice of $S_{th}$ which maximizes the average rate is given by $S_{th}= T^{prime}$ , where $T^{prime}$ is a function of the path loss exponent, the number of antennas and of the fading parameters. The impact of frequency domain correlation amongst the OFDM sub-bands allocated to the FR1 and FR3 cell-regions is analysed and it is shown that the presence of correlation reduces both the coverage probability and the average throughput of the FFR network. Furthermore, the performance of our FFR-aided MU-MIMO and SIMO systems is compared. Our analysis shows that the (2 $times$ 2) MU-MIMO system achieves 22.5% higher rate than the (1 $times$ 3) SIMO system and for lower target SINRs, the coverage probability of a (2 $times$ 2) MU-MIMO system is comparable to a (1 $times$ 3) SIMO system. Hence the former one may be preferred over the latter. Our simulation results closely match the analytical results." @default.
• W1904967504 created "2016-06-24" @default.
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• W1904967504 date "2015-10-01" @default.
• W1904967504 modified "2023-09-27" @default.
• W1904967504 title "Coverage Probability and Achievable Rate Analysis of FFR-Aided Multi-User OFDM-Based MIMO and SIMO Systems" @default.
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• W1904967504 doi "https://doi.org/10.1109/tcomm.2015.2465907" @default.
• W1904967504 hasPublicationYear "2015" @default.
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