Minimum BER power loading for OFDM in fading channel

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Abstract

A novel approach to power loading for orthogonal frequency-division multiplexing (OFDM) systems is proposed. The corresponding algorithm minimizes the aggregate bit-error rate, but appears to be rather complicated. Consequently, a much simpler, quasioptimal loading algorithm is developed. The performance of various power loading strategies known in the literature are compared with the proposed quasi-optimal algorithm in the Rayleigh frequency-selective fading channel.

Original languageEnglish
Pages (from-to)1729-1733
Number of pages5
JournalIEEE Transactions on Communications
Volume50
Issue number11
DOIs
StatePublished - 1 Nov 2002

Keywords

  • Frequency-selective fading
  • OFDM
  • Power control

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