Quality of Service for Wireless Video Networks
Video surveillance systems are being utilized to monitor an increasing variety of locations and situations. Many of these new use cases are being driven by the emergence of networked, IP-based (Internet Protocol) wireless video systems. Effectively transporting video images across wireless networks is complicated and not all wireless video networks deliver the video management capabilities — as well as levels of performance and reliability — necessary for effective surveillance.
PacketHop's Wireless Video System, with patented DynaMesh™ technology, is optimized to provide superior video performance and resiliency over wireless networks.
Under bandwidth constraints common in wireless use cases, video systems will begin to experience packet errors and drop frames from the video stream. Fewer than 30 frames per second received results in choppy video for the viewer. Initially, this will cause image degradation and continue to the point where video is unviewable, limiting the value of the surveillance system.
In the illustration below, as bandwidth becomes constrained, other 802.11-based video networks will almost immediately begin to degrade while PacketHop's Wireless Video System will continue to provide viewable video. PacketHop can sustain viewable video when receiving only 25% of the broadcast packets.
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