Title :
A framework for efficient rate-power allocation for OFDM in a composite-fading environment
Author :
Prince, Kamau ; Krongold, Brian ; Dey, Subhrakanti
Author_Institution :
ARC Special Res. Center for Ultra-Broadband Inf. Networks, Melbourne Univ., Carlton, Vic., Australia
Abstract :
We propose ad framework to optimally allocate transmission resources for a digital-user multichannel transmission link operating a dynamically-fading wireless environment. Beginning with the statistical properties of fading phenomena observed in such channels, we demonstrate how convex optimisation theory may be harnessed for this purpose. Examples are presented to illustrate how service quality criteria may be used to dynamically identify operating points for the allocation algorithm.
Keywords :
OFDM modulation; fading channels; optimisation; radio links; statistical analysis; OFDM; composite-fading environment; convex optimisation theory; digital-user multichannel transmission link; dynamically-fading wireless environment; fading channels; rate-power allocation; statistical properties; transmission resources allocation; Bandwidth; Constraint optimization; Digital video broadcasting; Error probability; Fading; Intelligent networks; OFDM; Quality of service; Resource management; Wireless networks;
Conference_Titel :
Communications, 2005. ICC 2005. 2005 IEEE International Conference on
Print_ISBN :
0-7803-8938-7
DOI :
10.1109/ICC.2005.1494811