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首页> 外文期刊>Multimedia, IEEE Transactions on >Bandwidth Aggregation-Aware Dynamic QoS Negotiation for Real-Time Video Streaming in Next-Generation Wireless Networks
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Bandwidth Aggregation-Aware Dynamic QoS Negotiation for Real-Time Video Streaming in Next-Generation Wireless Networks

机译：用于下一代无线网络中实时视频流的带​​宽聚合感知动态QoS协商

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摘要

In next generation wireless networks, Internet service providers (ISPs) are expected to offer services through several wireless technologies (e.g., WLAN, 3G, WiFi, and WiMAX). Thus, mobile computers equipped with multiple interfaces will be able to maintain simultaneous connections with different networks and increase their data communication rates by aggregating the bandwidth available at these networks. To guarantee quality-of-service (QoS) for these applications, this paper proposes a dynamic QoS negotiation scheme that allows users to dynamically negotiate the service levels required for their traffic and to reach them through one or more wireless interfaces. Such bandwidth aggregation (BAG) scheme implies transmission of data belonging to a single application via multiple paths with different characteristics, which may result in an out-of-order delivery of data packets to the receiver and introduce additional delays for packets reordering.
机译：在下一代无线网络中，互联网服务提供商（ISP）有望通过几种无线技术（例如WLAN，3G，WiFi和WiMAX）提供服务。因此，配备有多个接口的移动计算机将能够通过聚合在这些网络上可用的带宽来维持与不同网络的同时连接，并提高其数据通信速率。为了保证这些应用的服务质量（QoS），本文提出了一种动态QoS协商方案，该方案允许用户动态协商其流量所需的服务级别并通过一个或多个无线接口到达它们。这样的带宽聚集（BAG）方案意味着经由具有不同特性的多个路径来传输属于单个应用的数据，这可能导致数据分组向接收器的无序递送，并且引入了用于分组重排序的附加延迟。

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