论文信息 - A Packet Scheduling Algorithm Using Utility Function for Mixed Services in the Downlink of OFDMA Systems

A Packet Scheduling Algorithm Using Utility Function for Mixed Services in the Downlink of OFDMA Systems

In this paper, we propose a downlink packet scheduling algorithm in OFDMA systems for the mixed services, such as real-time (RT) and non-real-time (NRT) services. The proposed scheduling algorithm is based on the channel state information and utility function of queuing delay. Simulation results show that this algorithm can not only guarantee the fairness and delay requirements of users with different types of services but also obtain good system throughput.

[1] Guocong Song,et al. Utility-based resource allocation and scheduling in OFDM-based wireless broadband networks , 2005, IEEE Communications Magazine.

[2] A. Jalali,et al. Data throughput of CDMA-HDR a high efficiency-high data rate personal communication wireless system , 2000, VTC2000-Spring. 2000 IEEE 51st Vehicular Technology Conference Proceedings (Cat. No.00CH37026).

[3] Matthew S. Grob,et al. CDMA/HDR: a bandwidth-efficient high-speed wireless data service for nomadic users , 2000, IEEE Commun. Mag..

[4] Matthew Andrews,et al. Providing quality of service over a shared wireless link , 2001, IEEE Commun. Mag..

[5] Chung-Ju Chang,et al. A utility-approached radio resource allocation algorithm for downlink in OFDMA cellular systems , 2005, 2005 IEEE 61st Vehicular Technology Conference.

[6] Jun Cai,et al. Downlink resource management for packet transmission in OFDM wireless communication systems , 2005, IEEE Trans. Wirel. Commun..

[7] Jack M. Holtzman,et al. Performance analysis of the adaptive EXP/PF channel scheduler in an AMC/TDM system , 2004, IEEE Communications Letters.