AFDX Wireless Scheduler and Free Bandwidth Managing in 802.11e(HCCA)/AFDX Network

被引：0
|
作者：
Sambou, Bafing C. [1 ]
Peyrard, Fabrice [1 ]
Fraboul, Christian [1 ]
机构：
[1] Univ Toulouse, IRIT INPT ENSEEIHT, 2 Rue Charles Camichel, F-31071 Toulouse, France
来源：
2011 7TH INTERNATIONAL WIRELESS COMMUNICATIONS AND MOBILE COMPUTING CONFERENCE (IWCMC) | 2011年
关键词：
HCCA; 802.11e; QoS; AFDX; Scheduling;
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
In this paper, we present a HCCA (HCF Controlled Channel Access) scheduler called AWS (AFDX Wireless Scheduler) which improves the performances of the HCCA Reference Scheduler (RS); in order to convey AFDX (Avionics Full DupleX switched Ethernet) traffics on an IEEE 802.11e WLAN and guarantee their QoS requirements (bandwidth, maximum latency and jitter). AWS is based on the classification of flows (priority class), on a retransmission policy of frames, on the frame deadlines and on the maximum jitter. We also present, in this paper, two strategies for managing the free bandwidth of each TXOP. The first (OAWS, Optimized AWS) uses the free bandwidth of TXOPs for transmitting frames in Critical or Retransmission state. The latest (AWS-RB, AWS with Release Bandwidth) releases the free bandwidth of TXOPs and schedules the following flows.
引用
收藏
页码：2109 / 2114
页数：6
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