abstract

• This paper presents a non-wide-sense stationary uncorrelated scattering (non-WSSUS) vehicular channel emulator based on software-defined radios (SDR). The proposed channel emulator can be used for testing new radio communication systems, and it is able to introduce wideband channel distortions over passband signals. Likewise, an affordable and accurate SDR-based channel emulator implementation is reached, as can be seen when it is compared with state-of-the-art channel emulator implementations whose architectures are expensive and do not implement local non-stationary channel models. Current proposals implement non-stationary models by concatenating local stationary processes. The performance of the channel emulator is verified via channel impulse response comparisons and via bit error rate computation when the channel emulator is used for testing vehicular communication systems. Emulation results show that the proposed channel emulator can reproduce non-WSSUS channel propagation environments with exactness, enabling it to be used for testing future vehicular communication systems. © 2022, The Author(s), under exclusive licence to Springer Science%2bBusiness Media, LLC, part of Springer Nature.

authors

• Cortez-González J.
• Gutiérrez C.A.
• Ruiz-Garcia A.E.
• VáZquez Castillo J.

publication date

• 2022-01-01

published in

• Circuits, Systems, and Signal Processing  Journal

keywords

• Channel emulator; Non-stationary model; Non-WSSUS; SDR; V2I; V2V Bit error rate; Impulse response; Rayleigh fading; Channel emulators; Communications systems; Non-stationary model; Non-WSSUS; Radiocommunication systems; V2V; Vehicular communications; Wide-band; Wide-sense stationary uncorrelated scatterings; WSSUS channel; Software radio

Digital Object Identifier (DOI)

• 10.1007/s00034-022-01958-z

PubMed ID

start page

• 3832

end page

• 3852

volume

• 41

issue

• 7