Full length article: MIMO channel modeling and transmission techniques for multi-satellite and hybrid satellite-terrestrial mobile networks

  • Authors:

  • Ana I. PéRez-Neira;Christian Ibars;Jordi Serra;Aitor Del Coso;JesúS GóMez-Vilardebó;MíRius Caus;Konstantinos P. Liolis

  • Affiliations:

  • Department of Signal Theory and Communications, Universitat Politècnica de Catalunya (UPC), Barcelona, Spain and Centre Tecnològic de Telecomunicacions de Catalunya (CTTC), Castelldefels ...;Centre Tecnològic de Telecomunicacions de Catalunya (CTTC), Castelldefels, Barcelona, Spain;Centre Tecnològic de Telecomunicacions de Catalunya (CTTC), Castelldefels, Barcelona, Spain;Multimedia Telecommunications Systems group of Thales Alenia Space Espana, Madrid, Spain;Centre Tecnològic de Telecomunicacions de Catalunya (CTTC), Castelldefels, Barcelona, Spain;Department of Signal Theory and Communications, Universitat Politècnica de Catalunya (UPC), Barcelona, Spain;School of Electrical and Computer Engineering, National Technical University of Athens (NTUA), Greece

  • Venue:
  • Physical Communication
  • Year:
  • 2011

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Abstract

The Quality of Service (QoS) in land mobile satellite (LMS) communications drops drastically in the presence of shadowing and multipath fading. This paper studies two promising multiple-input multiple-output (MIMO) schemes, along with specific transmission techniques, aimed at overcoming this problem. First, specific proposals for a dual-satellite distributed MIMO scheme are studied based upon delay-tolerant and spectral-efficient schemes. As a second alternative, a hybrid satellite-terrestrial scheme is studied with specific proposals for MIMO processing. In order to carry out a performance assessment the paper addresses related MIMO satellite propagation channel modeling issues which lead to a new mathematical model to accommodate the multi-satellite transmission. In both cases, we quantify and conclude the MIMO gains in terms of bit error rate (BER) and spectral efficiency for urban and suburban environments. The transmitted air-interfaces in both proposed MIMO schemes are DVB-SH standard compatible. The analytical results have been validated by means of Monte Carlo simulations.