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引用次数: 0
摘要
从3GPP长期演进(LTE)到LTE- advanced的升级引入了载波聚合(CA)，这需要多个接收器(RX)和发射器(TX)在单个收发器芯片上同时工作，从而导致它们之间的潜在干扰。5G新无线电(5G NR)的引入将需要在第一阶段使用LTE的双连接(DC)，因此还需要在多模LTE- a /5G NR收发器中使用大量并行操作的高性能接收和发送链，从而推动了对模拟和数字技术的需求，以减轻由于收发器不同部分之间耦合而产生的自干扰。本文对各种串扰效应进行了分类，并以简明的形式介绍了数字和混合信号干扰缓解技术。
Self-Interference in LTE-Advanced and 5G NR Transceivers
The upgrade from 3GPP Long Term Evolution (LTE) towards LTE-Advanced introduced Carrier-Aggregation (CA), necessitating multiple receivers (RX) and transmitters (TX) operating concurrently on a single transceiver die, causing potential interference among them. The introduction of 5G New Radio (5G NR) will require Dual Connectivity (DC) with LTE in the first phase and thus also require a multitude of parallel-operating high-performance receive and transmit chains in a multi-mode LTE-A/5G NR transceiver, driving the need for analog and digital techniques for self-interference mitigation due to coupling between different parts of the transceiver. This paper catalogs the various cross-talk effects and presents digital as well as mixed-signal interference mitigation techniques in condensed form.
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