A unified approach to the performance analysis of speed estimation techniques in mobile communication

Ali Abdi, Hong Zhang, Cihan Tepedelenlioglu

Research output: Contribution to journalArticlepeer-review

20 Scopus citations


Estimation of the mobile speed, or equivalently, the maximum Doppler frequency, is of importance in a variety of applications in wireless mobile communications. In this paper, a unified framework for the performance analysis of several major speed estimation techniques is presented, which allows a fair comparison between all the methods, analytically. Interestingly, it is proved that all these methods are equivalent, asymptotically, i.e., for large observation intervals. In addition, we have derived closed-from expressions for the bias and variance of a recently proposed covariance-based method. We have also introduced a new estimator which relies on the average number of maxima of the inphase component, and have calculated its variance, analytically. Our extensive performance analysis, supported by Monte Carlo simulations, have revealed that depending on the channel condition and the observation interval, one needs to use a crossing- or a covariance-based technique, to achieve the desired estimation accuracy over a large range of mobile speeds.

Original languageEnglish (US)
Pages (from-to)126-135
Number of pages10
JournalIEEE Transactions on Communications
Issue number1
StatePublished - Jan 2008

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering


  • Asymptotic analysis
  • Doppler spread
  • Performance analysis
  • Speed estimation
  • Velocity estimation
  • Wireless fading channel


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