Title :
Some remarks on Nakagami-m parameter estimation using method of moments
Author :
Gaeddert, Joseph ; Annamalai, A.
Author_Institution :
Mobile Portable Radio Res. Group, Virginia Polytech. Inst. & State Univ., Blacksburg, VA, USA
fDate :
4/1/2005 12:00:00 AM
Abstract :
This letter develops new estimators for the Nakagami-m parameter based on real (integer and fractional) sample moments. These moment-based estimators are asymptotically unbiased, efficient, and have lower computational budget compared to the best known integer and real moment estimators [Cheng, J et al., (2002), Eqs. (4) and (9)] but comparable to [Gaeddert, J et al., (2005), Eq. (5)]. Specifically, the asymptotic expansion of sample moments derived in this article provides a generalized closed-form expression for the Nakagami-m parameter without the need for coefficient optimization for different ratios of real moments as needed in [Gaeddert, J et al., (2005)].
Keywords :
fading channels; method of moments; parameter estimation; Nakagami-m parameter estimation; closed-form expression; generalized-moment estimator; method of moments; Amplitude estimation; Closed-form solution; Cognitive radio; Fading; Helium; Moment methods; Nakagami distribution; Parameter estimation; Radio link; Robustness;
Journal_Title :
Communications Letters, IEEE
DOI :
10.1109/LCOMM.2005.1413618