An ADPLL-Centric Bluetooth Low-Energy Transceiver with 2.3mW Interference-Tolerant Hybrid-Loop Receiver and 2.9mW Single-Point Polar Transmitter in 65nm CMOS

📋 论文概要

本文提出了一种以全数字锁相环（ADPLL）为核心的蓝牙低功耗（BLE）收发器，接收机采用2.3mW的干扰容忍混合环路结构，发射机功耗2.9mW，解决了2.4GHz ISM频段下多设备共存时的干扰问题，实现了超低功耗与高邻道抑制。

💡 主要创新点

• 采用宽环路带宽全数字PLL（ADPLL）作为收发器核心，实现低功耗与高频率稳定性。
• 提出干扰容忍混合环路接收机架构，在2.3mW功耗下实现高邻道抑制和阻塞容限。

🏷 关键词

📄 原文摘要

achieving ultra-low-power (ULP) operation for Internet-of-Things (IoT) applications. As more and more devices will be connected and access to the Internet, the wireless traffic will be extremely crowded in the 2.4GHz ISM band. To coexist with all the wireless devices without being interfered by co-channel and out-of-band (OB) signals, a BLE receiver (RX) should have very high adjacentchannel rejection and very high blocker tolerance. At the same time, the total power consumption should be minimized for longer battery life. In this work, the TRX utilizes a wide loop-bandwidth All-Digital PLL (ADPLL) as a central component for transmitter (TX) modulation, RX analog data digitization, and phase synchronization. The single-channel demodulation method is adopted for

👥 作者与机构

Hanli Liu, Zheng Sun, Dexian Tang, Hongye Huang, Tohru Kaneko,

Wei Deng, Rui Wu, Kenichi Okada, Akira Matsuzawa Tokyo Institute of Technology, Tokyo, Japan This paper demonstrates a Bluetooth Low-Energy (BLE) transceiver (TRX)