基于真时间延迟的全数字波束成形发射机对准

2023 IEEE Radio and Wireless Symposium (RWS) Pub Date : 2023-01-22 DOI:10.1109/RWS55624.2023.10046347

L. Almeida, S. S. Pereira, Ivo Rodrigues, R. Correia, M. Drummond, Arnaldo S. R. Oliveira, N. B. Carvalho

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引用次数: 0

摘要

本文提出了一种用于全数字波束形成发射机中多千兆收发器(mgt)信道运行时对准和相位控制的数字真时间延迟(TTD)方法。开发的TTD模块实现了多通道同步和对单个延迟的直接控制，分辨率为一个MGT采样周期。此外，该模块对现场可编程门阵列(fpga)的资源利用率要求较低。这种方法对于天线阵列中使用的多通道具有高度可扩展性，只需要一个全数字编码器(ADE)。

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True Time Delay-based Alignment for All-digital Beamforming Transmitters

This paper presents a digital True Time Delay (TTD) approach for runtime alignment and phase control of the Multi-Gigabit Transceivers (MGTs) channels used in all-digital beamforming transmitters. The developed TTD module achieved multiple channels synchronization and direct control over the individual delays with a resolution of one MGT sample period. Furthermore, the module requires a low resource utilization on Field Programmable Gate Arrays (FPGAs). This approach is highly scalable for multiple channels used in antenna arrays, requiring only a single All-Digital Encoder (ADE).

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2023 IEEE Radio and Wireless Symposium (RWS)

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