Abstract

This paper presents the first dual-mode wake-up receiver (WuRX) that supports both BLE and Wi-Fi standards. The proposed WuRX achieves state-of-the-art power (as low as 4.4μW), sensitivity (as low as −92dBm), and interference resilience (SIR=−67dB) via a frequency plan that supports BLE advertisement channel hopping or a proposed subcarrier-based within-channel Wi-Fi frequency hopping scheme, a frequency conversion plan that enables a low power RX architecture, and an polyphase image rejection filter for full on-chip integration.

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