Multicasting multimedia streams in IEEE 802.11 networks: a focus on reliability and rate adaptation

被引：0
|
作者：
Nakjung Choi
Yongho Seok
Taekyoung Kwon
Yanghee Choi
机构：
[1] Seoul National University,School of Computer Science and Engineering
来源：
Wireless Networks | 2011年 / 17卷
关键词：
IEEE 802.11; Multicasting; Reliability; Rate adaptation; Compatibility; Leader;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Multicasting multimedia streams in IEEE 802.11 wireless LANs has two issues: reliability and rate adaptation. We address these issues by proposing two mechanisms that augment the current multicasting standards in a backward-compatible fashion. Semi-reliable multicasting (SRM) selects a leader who sends feedback information to lessen the reliability problem of multicast frames. Probing-based auto-rate fallback (PARF) allows the multicast source to adjust the bit rate depending on the link conditions of multicast recipients. Comprehensive simulation experiments reveal that SRM + PARF achieves reliability and link efficiency close to those of an omniscient multicasting framework.
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收藏
页码：119 / 131
页数：12
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