NLOS

(redirected from Non-line-of-sight propagation)
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NLOS

(Not Line Of Sight) See line of sight.
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References in periodicals archive ?
On the contrary, a dynamic environment has unstable and bad channel conditions owing to frequent human movements and/or non-line-of-sight propagation. In order to design a practical WB-SNS, both of the environments must be considered simultaneously.
As drawn, this figure is for a line-of-sight link (i.e., the transmitting and receiving antennas can "see" each other and the transmission path between the two doesn't get too close to land or water) in good weather, which we will consider first, Later, we'll add the effects of bad weather and non-line-of-sight propagation to our link calculations.
Although the above algorithms mitigate the influence from the NLOS errors and improve the location accuracy to a certain extent, they always need to use ToA, TDoA, and RSSI to range, so it is hard to overcome the side effect from non-line-of-sight propagation. In order to further mitigate the position tracking error incurred by non-line-of-sight propagation, [12] dealt with mobile position tracking with support vector regression and game theory.
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