… underground (UG) channel characteristics. In this article, the UG channel impulse response
is … communication, soils selected for use in the testbed have sand contents ranging from 13% …

… of the underground (UG) channel characteristics. In this paper, an UG channel impulse
response is modeled and … Irmak, “Pulses in the sand: Impulse response analysis of wireless …

… channel sounding and multipath characteristics analysis is discussed. Moreover, novel
time-domain impulse response … To that end, soil having sand content from 13% to 86% and clay …

… coarse estimate of the channel impulse response that can be … through dry sand and
water-saturated sand, respectively. … and location of impulses, while the period of each impulse is …

… channel is more robust to the underground environment than the … More layers of sand were
then poured and tamped until the … generated pulse has a relatively large amplitude, the pulse …

… Brutsaert’s [34] theory explains acoustic pulse transmission for granular and unconsolidated
… Determination of attenuation and geometric damping on clayey sand residual soil in …

… of wireless UG channel impulse response … pulse waveform in the range of 0.5 GHz–1.5
GHz. It also calculates soil permittivity with transmission and reflection simulations in dry sand. …

… We also highlight the key propagation characteristics of the RF channel in underground …
are affected as the ratio of sand, clay, and water volume fraction changes. As the sand, clay, and …

… harsh underground propagation environment including sand, … research on acoustic,
mud-pulse telemetry, visible light, and … to equalize the long channel impulse response. Moreover, …

… on the idea of transmitting information bits spread over very short pulses in a time-hopping
pattern. … Pulses in the sand: impulse response analysis of wireless underground channel …