A 64Gb/s 1.4pJ/b/element 60GHz 2×2-Element Phased-Array Receiver with 8b/symbol Polarization MIMO and Spatial Interference Tolerance

📋 论文概要

该论文提出了一种60GHz 2×2单元相控阵接收机，通过极化MIMO和空间干扰抑制技术实现了64Gb/s的数据速率和1.4pJ/b/单元的能效，解决了现有60GHz相控阵吞吐量受限且缺乏空间干扰容忍能力的问题。

💡 主要创新点

• 采用8b/symbol极化MIMO技术，在相控阵中实现高数据速率传输。
• 引入空间干扰抑制机制，支持密集频谱复用和多用户连接。
• 通过2×2单元相控阵架构，在保持波束赋形能力的同时显著提升吞吐量。

🏷 关键词

📄 原文摘要

multi-user connectivity [1]. Despite this opportunity, throughput of 60GHz phased arrays has been limited to 10.4Gb/s [2-5], and therefore may not offer a substantial performance benefit over the rapidly improving sub-7GHz WiFi. While singleelement solutions have used higher symbol-rates, higher-order constellations and/or MIMO to achieve rates up to 50.1Gb/s [6-7], the absence of beamforming/steering makes it impractical to support simultaneous multi-user links. In addition, none of the prior RX [2-7] have demonstrated spatial interference tolerance, which is key for dense spectral reuse and achieving high aggregate channel capacity. To enable a combination of high-speed per-link, beam steering and interference tolerance, this work presents a 64Gb/s 4-element dualpolarization (DP) phased-array receiver (RX) (Fig. 4.5.1) in a 0.9V 28nm CMOS

👥 作者与机构

Anandaroop Chakrabarti, Chintan Thakkar, Shuhei Yamada,

Debabani Choudhury, James Jaussi, Bryan Casper Intel, Hillsboro, OR The 60GHz band offers 14GHz unlicensed bandwidth for high-speed,