IEEE 802.11aa-2012 PDF
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IEEE Standard for Information technology–Telecommunications and information exchange between systems Local and metropolitan area networks–Specific requirements Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications Amendment 2: MAC Enhancements for Robust Audio Video Streaming
IEEE , 05/29/2012
IEEE 802.11aa-2012 PDF
This amendment specifies enhancements to the 802.11 MAC (Medium Access Control)for robust audio video streaming, while maintaining co-existence with other types of traffic. The MAC enhancements specified in this amendment enable: * Graceful degradation of audio video streams when there is insufficient channel capacity, by enabling packet discarding without any requirement for deep packet inspection, * Increased robustness in overlapping BSS environments, without the requirement for a centralised management entity, * Intra-Access Category prioritization of transport streams by modifying EDCA timing and parameter selection without any requirement for deep packet inspection, * Improved link reliability and low jitter characteristics for multicast/broadcast audio video streams, * Interworking with relevant 802.1AVB mechanisms (802.1Qat, 802.1Qav, 802.1AS)
Insert the following list item at the end of the dashed list in 1.3: — Defines mechanisms to improve audio video (AV) streaming quality of service (QoS) while maintaining data and voice performance.
Amendment Standard – Superseded. Amendment to IEEE Std 802.11(TM)-2012. This amendment specifies enhancements to the IEEE 802.11 medium access control (MAC) for robust audio video (AV) streaming, while maintaining coexistence with other types of traffic.
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