Title :
Hybrid error control mechanism for wireless ATM based on traffic type
Author :
Yanying, Ren ; Wenjun, Zhang ; Bin, Wang
Author_Institution :
Inst. of Image Commun. & Inf. Process., ShangHai JiaoTong Univ., China
Abstract :
Since wireless channel is always band-limited with multi-path fading and highly burst errors, flexible error control is needed in wireless asynchronous transfer mode (WATM) networks. This paper proposes a hybrid automatic repeat request (HARQ) architecture which has on-demand quality of services (QoS). By choosing different options in the architecture, we get different error control schemes. In this paper, we investigate the performance of three different error control schemes, namely HARQ, HARQ with different redundancy, and adaptive HARQ with traffic-type-dependent redundancy. The simulation results show that the HARQ with FEC adaptation offers the best performance.
Keywords :
asynchronous transfer mode; error correction codes; quality of service; telecommunication control; wireless LAN; hybrid automatic repeat request; hybrid error control mechanism; quality of services; wireless ATM; wireless asynchronous transfer mode; Adaptive control; Asynchronous transfer mode; Automatic repeat request; Communication system traffic control; Error correction; Fading; Programmable control; Quality of service; Redundancy; Traffic control;
Conference_Titel :
Computer Networks and Mobile Computing, 2003. ICCNMC 2003. 2003 International Conference on
Print_ISBN :
0-7695-2033-2
DOI :
10.1109/ICCNMC.2003.1243096
