Time-domain MIMO channel sounder based on code-division multiplexing

Journal ar
IEEE Transactions on Instrumentation and Measurement
  • Volumen: 61
  • Número: 8
  • Fecha: 27 April 2012
  • Páginas: 2325-2327
  • ISSN: 00189456
  • Source Type: Journal
  • DOI: 10.1109/TIM.2012.2188069
  • Document Type: Article
In this paper, a multiple-input multiple-output (MIMO) time-domain channel sounder based on code-division multiplexed signals is presented. This measurement system is formed by commercial and multipurpose equipment such as a base-band pulse generator, a wideband I/Q modulator, and a digital store oscilloscope. Apart from its measurement speed, the main advantages of this proposal are its low cost and the re-utilizable capability of the equipment. The implementation of the channel sounder is described and the MIMO transfer matrix, H(\tau), is computed in an indoor environment. © 1963-2012 IEEE.

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