In this paper, we propose a single RF-chain multi-antenna full-duplex (FD) relay build with $b$-bit analog phase shifters. Assuming only passive self-interference cancellation at the FD relay, we derive the achievable data rate of a system comprised of a source, the proposed FD relay, and a destination. Next, we compare the data rate of the proposed FD relaying system with the data rate of the same system but with the FD relay replaced by an ideal intelligent reflecting surface (IRS). Our results show that the relaying system with 2-bit quantized analog phase shifters can significantly outperform the IRS system.
翻译：在本文中,我们建议用美元比位模拟级转换器建立一个单一的RF-链-多保险(FD)全复式中继(FD)结构。假设FD中继系统只能被动地自动取消,我们得出一个由源、拟议FD中继和目的地组成的系统的可实现数据率。接下来,我们将拟议的FD中继系统的数据率与同一系统的数据率进行比较,但将FD中继系统替换为理想的智能反射表面(IRS )。我们的结果显示,配有2比位四分制模拟级转换器的中继系统可以大大超过IRS系统。
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