基于功率门控技术的2.54 Gbps， 1.22 pJ/Bit IR-UWB发射机

IF 4.9 2区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Circuits and Systems II: Express Briefs Pub Date : 2025-07-30 DOI:10.1109/TCSII.2025.3594199

Kyoungseok Song;Donggun Lee;Geunhaeng Lee;Yonghui Li;Tae Wook Kim

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引用次数: 0

摘要

本文介绍了一种脉冲无线电-超宽带（IR-UWB）发射机（Tx），该发射机通过功率门控（PG）技术和混合调制方案实现了高能效和高数据速率。PG通过仅在传输期间激活数字控制振荡器（DCO）来最大限度地减少静态功耗。一种将移频键控（FSK）与数字化多脉冲位置调制（D-MPPM）和脉宽调制（PWM）相结合的混合调制方案提高了调制阶数。在6.5-8.5 GHz范围内实现，所提出的PG-DCO Tx实现了2.54 Gbps的数据速率，能量效率为1.22 pJ/bit，接近UWB发射机1 pJ/bit的能量效率障碍。

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A 2.54 Gbps, 1.22 pJ/Bit, IR-UWB Transmitter With a Power-Gating Technique

This brief presents an impulse radio-ultrawideband (IR-UWB) transmitter (Tx) that achieves high energy efficiency and data rate through a power-gating (PG) technique and hybrid modulation scheme. PG minimizes static power consumption by activating the digitally controlled oscillator (DCO) only during transmission. A hybrid modulation scheme combines frequency- shift keying (FSK) with digitalized multi pulse position modulation (D-MPPM) and pulse width modulation (PWM) to increase modulation order. Implemented in 6.5-8.5 GHz, the proposed PG-DCO Tx achieves a data rate of 2.54 Gbps with an energy efficiency of 1.22 pJ/bit, approaching the 1 pJ/bit energy-efficiency barrier for UWB transmitters.

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来源期刊

IEEE Transactions on Circuits and Systems II: Express Briefs 工程技术-工程：电子与电气

CiteScore

7.90

自引率

20.50%

发文量

883

审稿时长

3.0 months

期刊介绍： TCAS II publishes brief papers in the field specified by the theory, analysis, design, and practical implementations of circuits, and the application of circuit techniques to systems and to signal processing. Included is the whole spectrum from basic scientific theory to industrial applications. The field of interest covered includes: Circuits: Analog, Digital and Mixed Signal Circuits and Systems Nonlinear Circuits and Systems, Integrated Sensors, MEMS and Systems on Chip, Nanoscale Circuits and Systems, Optoelectronic Circuits and Systems, Power Electronics and Systems Software for Analog-and-Logic Circuits and Systems Control aspects of Circuits and Systems.