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Space-Time Coding for Active Antenna Systems

Space-Time Coding for Active Antenna Systems

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The purpose of this chapter is to outline the main possibilities and to show that the simultaneous requirement for wideband and multiple channels opens the way to new beamforming techniques and waveforms, where different signals are simultaneously transmitted in different directions, for jointly coding space and time, and coherently processed in parallel on receive. Such concepts, first proposed and demonstrated by S. Drabowitch and J. Dorey, should now be considered as mature techniques to be implemented in operational systems.

Chapter Contents:

  • 11.1 Introduction
  • 11.2 Colored Space-Time Exploration
  • 11.3 Interleaved Scanning (Slow-Time Space-Time Coding)
  • 11.4 Code Selection and Grating Lobes Effects
  • 11.5 Wideband MTI [12], [4]
  • 11.6 Conclusion
  • 11.7 Further Reading
  • 11.8 References
  • 11.9 Problems

Inspec keywords: array signal processing; broadband antennas; channel coding; space-time codes; transmitting antennas

Other keywords: space-time coding; multiple channel; beamforming technique; wideband channel; active antenna system

Subjects: Signal processing and detection; Codes; Single antennas

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