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本文提出了一种用于助听器应用的低功耗Chirp-UWB收发器，工作在7.75-8.25GHz频段，实现了1mW功耗和1Mb/s数据率。通过低峰值功率传输和快速同步技术，解决了小电池容量下长期运行的需求。
constraints on the wireless links where the ear-to-ear link enables signal processing of sound for both ears to enhance speech intelligence and the ear-to-device link provides an audio channel to commercial electronics such as smart TVs, MP3 players, and smart phones. Due to the limited size of the battery (35 to 90mAh) especially for in-the-ear (ITE) and in-the-canal (ITC) types, a sub-mW transceiver is required for long operational time. A low-data-rate impulse-radio ultra-wideband (IRUWB) transceiver [1] achieves low power consumption with aggressive dutycycled operation, namely 1%, but suffers from the bit-level synchronization problem by the baseband. Moreover, the low-data-rate IR-UWB exhibits a high peak transmission power to maintain a sufficient average transmission power for
Fei Chen1, Yu Li1, Dang Liu1, Woogeun Rhee1, Jongjin Kim2,
Dongwook Kim2, Zhihua Wang1 Tsinghua University, Beijing, China, Samsung Advanced Institute of Technology, Suwon, Korea 1 2 Future binaural hearing-aid devices face severe energy