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Overview of PHY-Layer Design Challenges and Viable Solutions in W-Band Broadband Satellite Communications

  • Claudio Sacchi
  • Tommaso Rossi
Conference paper
  • 653 Downloads
Part of the Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering book series (LNICST, volume 43)

Abstract

The exploitation of Extremely High Frequency (EHF) bands for broadband satellite communications really represents a challenging frontier for aerospace R&D. In few time, ALPHASAT mission (through the Technology Demonstration Payload 5) should test Q/V band (40-50GHz) digital satellite transmission. Moreover, a lot of effort is spent to study the feasibility of broadband links in W-band (70-110GHz). This paper is devoted at showing the most relevant challenges to be faced in the effective PHY-layer design of W-band satellite connections. Some practical solutions will be analyzed together with a look to future solutions in phase of testing. From the proposed analysis, it is clear that effects of nonlinear distortions and phase noise should be adequately counteracted by considering spectrally-efficient solutions. In such a perspective, it seems that efficient coded modulations employed together with appropriate pulse shaping can be regarded as effective PHY-layer solutions for future high-frequency and high-data rate connections.

Keywords

Satellite communications EHF communications gigabit connectivity Modulation Pulse shaping Channel coding 

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Copyright information

© ICST Institute for Computer Science, Social Informatics and Telecommunications Engineering 2010

Authors and Affiliations

  • Claudio Sacchi
    • 1
    • 2
  • Tommaso Rossi
    • 3
  1. 1.Department of Information EngineeringUniversity of TrentoPovoItaly
  2. 2.Department of Computer Science (DISI)University of TrentoPovoItaly
  3. 3.Department of ElectronicsUniversity of Rome,“Tor Vergata”RomeItaly

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