Title :
Scheduling algorithms for quality of service aware OFDMA wireless systems
Author :
Farrokhi, Farrokh R. ; Olfat, Masoud ; Alasti, Mehdi ; Liu, K. J Ray
Author_Institution :
Electr. & Comput. Eng. Dept., Maryland Univ., College Park, MD, USA
fDate :
29 Nov.-3 Dec. 2004
Abstract :
In this paper, we investigate scheduling in multiuser OFDMA systems. The objective is to maximize the resource utilization in a network, while a required quality of service (QoS) per user is satisfied. A notion of revenue maximization is used to determine the optimal OFDMA subcarrier allocation to different users based on their required QoS. The optimal solution for the problem is presented and its performance and complexity are studied. An iterative low complexity algorithm is also proposed to achieve near optimal performance.
Keywords :
OFDM modulation; broadband networks; communication complexity; quality of service; radio networks; scheduling; telecommunication congestion control; telecommunication network management; QoS per user; iterative low complexity algorithm; multiuser OFDMA systems; optimal OFDMA subcarrier allocation; problem complexity; quality of service aware OFDMA wireless systems; resource utilization; revenue maximization; scheduling algorithms; Educational institutions; Iterative algorithms; OFDM modulation; Processor scheduling; Quality of service; Resource management; Scheduling algorithm; Telecommunication traffic; Throughput; Transmitters;
Conference_Titel :
Global Telecommunications Conference, 2004. GLOBECOM '04. IEEE
Print_ISBN :
0-7803-8794-5
DOI :
10.1109/GLOCOM.2004.1378493
