支持无线局域网上实时多用户视频流的跨层方法*

Proceedings of the 27th Annual International Conference on Mobile Computing and Networking Pub Date : 2021-10-19 DOI:10.1145/3447993.3482868

H. Pasandi, T. Nadeem, Hadi Amirpour, C. Timmerer

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引用次数: 4

摘要

MU-MIMO是IEEE 802.11ac和即将推出的802.11ax技术中的一种高速技术，通过允许一个接入点和多个用户之间的并发通信来提高频谱效率。在本文中，我们提出了MuVIS，一个新颖的框架，提出了基于IEEE 802.11ac/ax的多用户多媒体应用的mu - mimo感知优化。MuVIS采用跨层方法，首先针对PHY/MAC层具有相同特性的用户优化MU-MIMO用户组选择。然后，它会相应地优化每个组的视频比特率。我们介绍了我们的设计及其在802.11ac WiFi上的智能手机和笔记本电脑上的评估。

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A cross-layer approach for supporting real-time multi-user video streaming over WLANs*

MU-MIMO is a high-speed technique in IEEE 802.11ac and upcoming 802.11ax technologies that improves spectral efficiency by allowing concurrent communication between one Access Point and multiple users. In this paper, we present MuVIS, a novel framework that proposes MU-MIMO-aware optimization for multi-user multimedia applications over IEEE 802.11ac/ax. Taking a cross-layer approach, MuVIS first optimizes the MU-MIMO user group selection for the users with the same characteristics in the PHY/MAC layer. It then optimizes the video bitrate for each group accordingly. We present our design and its evaluation on smartphones and laptops over 802.11ac WiFi.

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Proceedings of the 27th Annual International Conference on Mobile Computing and Networking

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