Title :
A new algorithm for optimum bit loading with a general cost
Author :
Vemulapalli, Manish ; Dasgupta, Soura ; Pandharipande, Ashish
Author_Institution :
Dept. of Electr. & Comput. Eng., Iowa Univ., IA
Abstract :
In this paper we present an efficient bitloading algorithm that applies to both subband coding and multicarrier communication. The goal is to effect an optimal distribution of positive integer bit values among various subchannels to achieve a minimum distortion error variance for subband coding and transmitted power for multicarrier communications. Existing algorithms in the literature grow with the total number of bits that must be distributed. The novelty of our algorithm lies in the fact that its complexity is independent of the total number of bits to be allocated
Keywords :
encoding; statistical distributions; bitloading algorithm; distortion error variance; multicarrier communication; optimal distribution; optimum bit loading; positive integer bit values; subband coding; Cities and towns; Cost function; Distortion; Dynamic range; Fluctuations; Minimization methods; Upper bound;
Conference_Titel :
Circuits and Systems, 2006. ISCAS 2006. Proceedings. 2006 IEEE International Symposium on
Conference_Location :
Island of Kos
Print_ISBN :
0-7803-9389-9
DOI :
10.1109/ISCAS.2006.1693855
