BenchLink: An SoC-Based Benchmark for Resilient Communication Links in GPS-Denied Environments
Sidharth Santhi Nivas, Prem Sagar Pattanshetty Vasanth Kumar, Zhaoxi Zhang, Chenzhi Zhao, Maxwell McManus, Nicholas Mastronarde, Elizabeth Serena Bentley, George Sklivanitis, Dimitris A. Pados, and Zhangyu Guan

TL;DR
BenchLink is a novel SoC-based benchmark designed for resilient wireless communication in GPS-denied environments, enabling precise latency control and adaptive modulation, thus supporting emerging applications like integrated radar and communication.
Contribution
This work introduces BenchLink, a new SoC-based benchmark for resilient communication links that operates without GPS and supports adaptive features, unlike traditional GPP-based SDRs.
Findings
Effective in ground and aerial environments
Supports adaptive pilot density and modulation
Provides a comprehensive dataset for research
Abstract
Accurate timing and synchronization, typically enabled by GPS, are essential for modern wireless communication systems. However, many emerging applications must operate in GPS-denied environments where signals are unreliable or disrupted, resulting in oscillator drift and carrier frequency impairments. To address these challenges, we present BenchLink, a System-on-Chip (SoC)-based benchmark for resilient communication links that functions without GPS and supports adaptive pilot density and modulation. Unlike traditional General Purpose Processor (GPP)-based software-defined radios (e.g. USRPs), the SoC-based design allows for more precise latency control. We implement and evaluate BenchLink on Zynq UltraScale+ MPSoCs, and demonstrate its effectiveness in both ground and aerial environments. A comprehensive dataset has also been collected under various conditions. We will make both the…
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Taxonomy
TopicsNetwork Time Synchronization Technologies · Advancements in PLL and VCO Technologies · Advanced Frequency and Time Standards
