Statistical Modeling of Dual-Polarized MIMO Land Mobile Satellite Channels

Abstract

Abstract-This

Four-dimensional constellations for dual-polarized satellite communications

“…Such an abstract scenario can be specialized to a particular application simply by choosing an appropriate channel model. For example, mobile satellite services (MSS) in the L-and S-bands require the channel described in [20] and [21], whereas in the Ka-band the channel model can be the one proposed in [22] and [23]. Without loss of generality, we assume the polarizations to be circular, and left-hand (LH) or right-hand (RH) oriented.…”

“…On the other hand, the LMS channel is a common assumption for mobile satellite applications and is characterized by Rayleigh-distributed multipath and lognormally distributed shadowing [20]. In particular, we employ the channel model detailed in [21], which describes the time variations of the channel by means of a two-state Markov chain. Moreover, it also includes: (i) shadowing effects (by resorting to the Loo distribution [25]), (ii) XPD effects stemming from the environment and the antenna characteristics, (iii) polarization correlation for large scale fading (which is lognormally distributed) and for the small scale fading (which is Rayleigh distributed), as well as (iv) temporal correlation induced by mobility [21].…”

“…Moreover, it also includes: (i) shadowing effects (by resorting to the Loo distribution [25]), (ii) XPD effects stemming from the environment and the antenna characteristics, (iii) polarization correlation for large scale fading (which is lognormally distributed) and for the small scale fading (which is Rayleigh distributed), as well as (iv) temporal correlation induced by mobility [21]. For further details on the Rice and the LMS channels, the reader is referred to [5] and [21], respectively, and references therein.…”

“…More precisely, 3×10 5 channel realizations have been simulated. For the Rice and LMS channels, a XPD equal to 23 dB has been assumed, which is a value typical for professional equipment, and has been included in the channel realizations as in [21]. Moreover, the polarization correlation coefficients that characterize the small-scale fading have been assumed equal to 1 (for the transmit antennas) and 0.2 (for the receive antennas), as in [5].…”

High throughput satellites in 5G and MIMO interference limited communications

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