21Scalable Video Streaming over the IEEE 802.11e WLANs
21.1 Introduction
As a result of the high performance-to-price ratio, the IEEE 802.11-based wireless local area networks (WLANs) have been massively deployed in public and residential places for various wireless applications. Given the growing popularity of real-time services and multimedia-based applications, it has become more and more critical to tailor IEEE 802.11 medium access control (MAC) protocol to meet the stringent requirements of such services. The IEEE 802.11 working group has developed a new standard known as the IEEE 802.11e [1] to provide the quality of service (QoS) support. The IEEE 802.11e defines a single coordination function, ...
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