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This article proposes two empirical models for IEEE 802.11g/n networks which aim to predict the quality loss on a video stream, based on a relationship between the proposed metric and the received power level in dBm. For such a purpose, PSNR (Peak Signal-to-Noise Ratio) is used for deriving PSNR Loss, which is used as a metric. It is also proposed an adjustment in ITU-R P.1238-2 used for indoor propagation...
This paper presents a validation of indoor path loss models as well as a characterization of large-scale fading for an office propagation topology, based on measurements conducted at 3.5 GHz. The intrinsic channel characteristics and the impact of shadow fading on the reliability of signal prediction were taken into consideration. The mean relative error was calculated to prove the limitations of...
In this work, a site-specific validation of path loss models for a home indoor propagation topology was conducted. An 802.11g Wi-Fi system operating at 2.4 GHz was examined and extensive RF measurements were performed, at a residence in downtown Patras, Greece, including multiple floor measurements in order to validate floor penetration losses and the reliability of path loss models for multiple wall...
The purpose of this research is to analyze the signal propagation at 2.4 GHz frequency. This frequency is reserve for ISM band which is commonly used in Wifi / HyperLAN. Three types of environment scenarios are involved which are indoor propagation, outdoor propagation and propagation between buildings. The propagation measurement is taken at University Kuala Lumpur, British Malaysian Institute. The...
This paper presents an empirical calculation of shadowing deviation for complex indoor propagation topologies at 2.4 GHz. Based on measurements acquired in a complex indoor propagation environment (the premises of wireless telecommunications laboratory) at 2.4 GHz, a site-specific validation of indoor RF models was conducted. Expanding this recent work, the shadowing deviation is calculated (in dB)...
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