Title :
Further results on Nakagami-m parameter estimation
Author :
Gaeddert, Joseph ; Annamalai, A.
Author_Institution :
Mobile & Portable Radio Res. Group, Virginia Polytech. Inst. & State Univ., USA
Abstract :
Accurate and efficient estimation of fading parameters are of considerable interest in the design of adaptive radios since they provide an indication of the communication link quality. We develop a few simple estimators for the Nakagami-m. parameter by approximating the transcendental equations that arise in the computation of maximum-likelihood and generalized moment-based estimators as linear or quadratic polynomials using a quasi-Newton optimization method. Statistical properties and the efficacy of the new estimators are validated via Monte Carlo simulations.
Keywords :
Newton method; fading channels; maximum likelihood estimation; optimisation; parameter estimation; polynomial approximation; radio links; statistical analysis; Nakagami-m parameter estimation; adaptive radios; communication link quality; fading parameter estimation; generalized moment-based estimators; linear polynomials; maximum-likelihood estimators; quadratic polynomials; quasi-Newton optimization method; statistical properties; transcendental equations; Amplitude estimation; Closed-form solution; Equations; Fading; Maximum likelihood estimation; Mobile communication; Parameter estimation; Polynomials; Postal services; State estimation;
Conference_Titel :
Vehicular Technology Conference, 2004. VTC2004-Fall. 2004 IEEE 60th
Print_ISBN :
0-7803-8521-7
DOI :
10.1109/VETECF.2004.1404881