An adaptive geometry-based stochastic model for non-isotropic MIMO mobile-to-mobile channels

Abstract

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Generic stochastic modeling of vehicle-to-vehicle wireless channels

“…A more generalized model was presented in [12], which combines a LOS component, single bouncing around the transmitter, single bouncing around the receiver and double bouncing at both sides. A more generalized model can be viewed in [13] with an additional elliptical ring of single bouncing scatterers surrounding the Tx and Rx. In [14], an algorithmic procedure was presented for determining the delay dependent power spectral density (PSD) with single bouncing scatterers uniformly distributed on an elliptical ring.…”

“…Extensions of [12] to account for 3-D scattering can be viewed in [16] and [17], with scatterers' mobility to be additionally incorporated in [18]. Extension of [13] to incorporate 3-D scattering can be viewed in [19].…”

Second Order Statistics of Non-Isotropic Mobile-to-Mobile Ricean Fading Channels

“…random variables with uniform distributions over [−π, π), f Tmax = υ T /λ and f Rmax =υ R /λ are the maximum Doppler frequencies with respect to the Tx and Rx, respectively, and λ is the carrier wavelength. Following the same approach on how to adjust the important model parameters (distance D, the energy-related parameters η SBi and η DB , and the Ricean factor K) in [6], we can make the proposed model suitable for a wide variety of scenarios, i.e., macro-cell, micro-cell, and pico-cell scenarios. Note that the assumption D max{R T , R R } widely used in macro-and micro-cell scenarios is not applicable to picocell scenarios.…”

“…Space-time correlations and corresponding Doppler PSDs for non-isotropic multiple-input multiple-output (MIMO) M2M Ricean fading channels were analyzed in [2]- [4]. More recently, in [5] and [6], we investigated in more detail the space-time-frequency correlations and corresponding Doppler PSDs for non-isotropic MIMO M2M Ricean fading channels. However, to the best of the authors' knowledge, although the LCR and AFD are of extreme importance for a M2M channel, only [7] and [8] investigated the LCR and AFD for M2M channels.…”

“…To this end, following the same structure of our MIMO M2M model in [6], we first develop a new generic 2D SISO M2M geometrybased stochastic model, which is suitable for a wide variety of outdoor scenarios, i.e., macro-, micro-, as well as pico-cell scenarios, and has the ability to consider the impact of VTD on channel characteristics. This model employs a combined two-ring model and ellipse model, where the received signal is constructed as a sum of the line-of-sight (LoS), single-, and double-bounced rays with different energies.…”