Error Performance of RIS-Assisted Space-Time Coded Network under Time-Selective Fading Environments

This paper investigates the error performance of Reconfigurable Intelligent Surfaces (RIS) assisted communication systems employing two prominent space-time coding techniques, namely Space-Time Block Coding (STBC) and Space-Time Line Coding (STLC), under time-selective fading channels. The STBC (STL...

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Main Authors: Gunel, Hasan Atalay, Yilmaz, Tayfun, Hokelek, Ibrahim, Ilhan, Haci
Format: Conference Proceeding
Language:English
Subjects:
Alamouti Space-Time Block Code
Communication systems
Computers
Encoding
Fading channels
Line-of-sight propagation
Receiving antennas
Reconfigurable intelligent surfaces
Reliability
Simulation
Space-Time Line Code
Time-Selective Fading Channels
Transmitting antennas
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Yilmaz, Tayfun
Hokelek, Ibrahim
Ilhan, Haci
description This paper investigates the error performance of Reconfigurable Intelligent Surfaces (RIS) assisted communication systems employing two prominent space-time coding techniques, namely Space-Time Block Coding (STBC) and Space-Time Line Coding (STLC), under time-selective fading channels. The STBC (STLC) network comprises a single base station (BS) with two (one) transmit antenna(s) and a user equipment (UE) with one (two) receive antenna(s), respectively. A RIS with N elements facilitates communication between the BS and the UE, particularly in scenarios without Line-of-Sight (LOS) channels. Simulation results reveal that time-selective fading significantly degrades the error performance of space-time coding techniques. However, utilizing RIS in "Intelligent" mode mitigates these adverse effects by applying necessary phase shift adjustments, thereby improving system reliability in fast-fading environments. In contrast, in "Blind" mode, the results indicate that the RIS has a minimal impact on improving error performance under fast-fading channel conditions.
doi_str_mv 10.1109/ISCC61673.2024.10733574
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subjects Alamouti Space-Time Block Code
Communication systems
Computers
Encoding
Fading channels
Line-of-sight propagation
Receiving antennas
Reconfigurable intelligent surfaces
Reliability
Simulation
Space-Time Line Code
Time-Selective Fading Channels
Transmitting antennas
title Error Performance of RIS-Assisted Space-Time Coded Network under Time-Selective Fading Environments
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