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The antenna performance of three 2×2 802.11n wireless routers is assessed at 2.4GHz using a laptop as a reference client. The analysis combines in-situ measured 3D radiation patterns with state-of-the-art 3D ray-tracing for a number of different client locations and access-point/client orientations in a typical three-floor home. A router employing two PIFAs achieves the highest average signal level...
This paper addresses the multicast capabilities of WiFi systems transmitting to handheld devices in outdoor public spaces. The analysis includes a comparison of access point antennas in terms of received signal strength for different conditions and handset orientations. An H.264 AVC encoder and IP packetisation unit is used to multicast IP video streams to WiFi enabled mobile clients. Measurement...
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