An Analysis of Optimal Training for Correlated Fading Channels Using Cutoff Rate

Abstract

We consider the problem of optimal allocation of resources (power and bandwidth) between training and data for transmission over a Gauss Markov fading channel. Inaccurate channel state information ((CSI) is available at the receiver through periodic training. The transmitter is assumed to have knowledge of the channel Doppler spread. We compute the ergodic cutoff rate Ro for the temporally-correlated Rayleigh flat fading channels with imperfect channel state information (CSI) available at the receiver. We study MMSE estimators that predict the current channel state based on: all past pilot observations, only the most recent pilot observation, and the most recent and next in the future pilot observations.

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Document Details

Document Type
Technical Report
Publication Date
Apr 01, 2004
Accession Number
ADA423214

Entities

People

  • Ananthram Swami
  • Lang Tong
  • Saswat Misra

Organizations

  • United States Army Research Laboratory

Tags

DTIC Thesaurus Topics

  • Carrier Frequencies
  • Channel Estimation
  • Channel Models
  • Channel State Information
  • Coding
  • Communication Systems
  • Data Transmission
  • Decoding
  • Estimators
  • Frequency
  • High Energy
  • Information Science
  • Probability
  • Statistics
  • Training
  • Transmitters
  • Two Dimensional

Readers

  • Psychometric Testing or Psychological Assessment.
  • Radio communications and signal processing.