EM Channel Estimation for Coded OFDM Transmissions over Frequency-Selective Channel Conference Paper uri icon

abstract

  • We derive expectation-maximization (EM) based iterative algorithms to estimate the impulse response of multipath channel with coded OFDM system. We compare two ways for choosing EM complete data: a complete data built from observations and transmitted symbols (CL-EM) and complete data chosen by decomposing noise and observation components (NCD-EM). We also derive the Cramr-Rao lower bound (CRB) for coded OFDM transmission. Simulation results show that CLEM has better convergence than NCD-EM and achieves the CMB. 2008 IEEE.

name of conference

  • 2008 IEEE 10th International Symposium on Spread Spectrum Techniques and Applications (ISSSTA)

published proceedings

  • 2008 IEEE 10th International Symposium on Spread Spectrum Techniques and Applications

author list (cited authors)

  • Yang Liu, .., Brunel, L., & Boutros, J. J.

citation count

  • 6

complete list of authors

  • Brunel, L||Boutros, JJ

publication date

  • August 2008

publisher