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H.263 Video Transmission in Wireless Local Area Networks using OPNET

机译:H.263无线局域网中的视频传输使用OPNET

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Digital video transmission in wireless environment comprises major challenge. Most of the video applications are delay sensitive and have relatively higher bandwidth requirements. Time-varying and asymmetric propagation proOerties of wireless links pose major challenge to low delay and ideally error-free transmission. Studies suggest hybrid schemes, optimized control mechanisms or capability of WLANs to adapt to dynamic conditions of wireless link for video transmission. The variable nature of resources in a radio environment requires video clients also to adjust accordingly. Unlike studies, this work has been carried out to study the effect of mobility and mobility patterns on H.263 coding standard based video streaming in an IEEE802.11 b WLAN. Numerous simulations, with different set of parametric settings, were performed using H.263 video traffic. Study results in verification of successful H.263 video traffic import in OPNET and some recommendations to make video clients in WLAN some what more intelligent by adapting to the variations in network resources due to mobility.
机译:无线环境中的数字视频传输包括主要挑战。大多数视频应用是延迟敏感的并且具有相对较高的带宽要求。无线链路的时变和不对称传播的促进对低延迟和理想无错误传输构成重大挑战。研究提示混合计划,优化的控制机制或WLAN的能力,以适应视频传输的无线链路的动态条件。无线电环境中资源的可变性质还需要相应的视频客户端进行调整。与研究不同,已经开展了这项工作,以研究IEEE802.11 B WLAN中的移动性和移动模式对基于H.263编码标准的视频流的影响。使用H.263视频流量执行具有不同参数设置集的许多模拟。研究结果验证了OPNET中成功的H.263视频流量导入以及一些建议,在WLAN中制作视频客户端,通过适应流动性导致网络资源的变化更智能。

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