Title :
Frequency response of adaptive LMS channel estimator with fast start-up
Author :
Liu, Ging-Shing ; Wei, Che-Ho
Author_Institution :
Inst. of Electron., Nat. Chiao-Tung Univ., Hsinchu, Taiwan
Abstract :
The problem of fast channel estimation and fast start-up equalization in synchronous digital communication systems is revisited from the viewpoint of optimization for training sequences. Cyclic training sequences with desirable correlation properties having flat discrete power spectra are often used for this purpose. The equivalent transfer function and its frequency response of the adaptive least-mean-square (LMS) channel estimator for several special sequences are derived
Keywords :
adaptive estimation; digital communication; frequency response; least mean squares methods; adaptive LMS channel estimator; correlation properties; equivalent transfer function; fast channel estimation; fast start-up equalization; flat discrete power spectra; frequency response; synchronous digital communication systems; training sequences; Adaptive equalizers; Adaptive filters; Algorithm design and analysis; Autocorrelation; Frequency estimation; Frequency response; Interference; Least squares approximation; Noise cancellation; Transfer functions;
Conference_Titel :
Circuits and Systems, 1993., ISCAS '93, 1993 IEEE International Symposium on
Conference_Location :
Chicago, IL
Print_ISBN :
0-7803-1281-3
DOI :
10.1109/ISCAS.1993.393820
