Title :
A Cross Layer Design of Fair Resource Allocation Algorithm for Downlink OFDM System
Author :
Wang Yu ; Wang Yongsheng ; Wang Libo
Author_Institution :
Sch. of Electron. & Inf. Technol., Northwest Polytech. Univ., Xi´an
Abstract :
A basic problem in wireless network optimization is the inapplicability of the layered structure. This paper examines a cross layer resource allocation algorithm for downlink OFDM system. The tradeoff of fairness and efficiency is well balanced with cross layer interaction by considering the traffic parameter and fairness among users in link layer as well as the influence of channel state and power transmission limitation. The experimental results reveal the guarantee on steadiness and fairness for users improves a lot while using the cross layer method with a little loss on power efficiency compared with pure physical adaptive counterpart.
Keywords :
OFDM modulation; resource allocation; telecommunication network topology; telecommunication traffic; wireless channels; channel state; cross layer design; cross layer interaction; downlink OFDM system; fair resource allocation algorithm; layered structure; link layer; power transmission limitation; traffic parameter; wireless network optimization; Cross layer design; Design optimization; Downlink; OFDM; Quality of service; Resource management; Scheduling algorithm; Telecommunication traffic; Traffic control; Wireless networks;
Conference_Titel :
Wireless Communications, Networking and Mobile Computing, 2007. WiCom 2007. International Conference on
Conference_Location :
Shanghai
Print_ISBN :
978-1-4244-1311-9
DOI :
10.1109/WICOM.2007.100
