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Title: Estimating the performance of MIMO SC-FDE systems using SISO measurements
Authors: Fernandes, D.
Cercas, F.
Dinis, R.
Sebastião, P.
Keywords: Propagation model
BER performance
Issue Date: 2020
Publisher: MDPI
Abstract: The demand for ubiquitous telecommunications services forces operators to have a special concern about signal quality and the coverage area they offer to their customers. This was usually checked by using suitable propagation models for Single Input Single Output (SISO) systems, which are no longer the case for new and future mobile generations, such as 5G and beyond. To guarantee good signal quality coverage, operators started to replace these models with Multiple Input Multiple Output (MIMO) ones. To achieve the best results, these models are usually calibrated with Drive Test (DT) measures; however, the DTs available for MIMO propagation models are sparse, in contrast to SISO ones. The main contribution presented in this paper is a methodology to extend the propagation models of SISO systems so they can be applied in MIMO sytems with Single-Carrier and Frequency-Domain Equalization (SC-FDE), while still using DTs acquired for SISO systems. This paper presents the impact on Bit Error Rate (BER) performance and its coverage area resulting from the application of our proposed method. We consider a MIMO SC-FDE system with an Iterative Block Decision Feedback Equalization (IB-DFE) receiver and we present the improvement expressions for the BER that we illustrate with some simulations.
Peer reviewed: yes
DOI: 10.3390/app10217492
ISSN: 2076-3417
Accession number: WOS:000589035500001
Appears in Collections:IT-RI - Artigo em revista internacional com arbitragem científica

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