A 13.3 mW 500 Mb/s IR-UWB Transceiver With Link Margin Enhancement Technique for Meter-Range Communications

被引：50

作者：

Geng, Shuli ^{[1
]}

Liu, Dang ^{[1
]}

Li, Yanfeng ^{[1
]}

Zhuo, Huiying ^{[1
]}

Rhee, Woogeun ^{[1
]}

Wang, Zhihua ^{[1
]}

机构：

[1] Tsinghua Univ, Inst Microelect, Beijing 100084, Peoples R China

来源：

IEEE JOURNAL OF SOLID-STATE CIRCUITS | 2015年 / 50卷 / 03期

关键词：

CMOS; frequency hopping; impulse radio (IR); transceiver; ultra-wideband (UWB); wireless; FRONT-END; RECEIVER; SYSTEM; POWER; CMOS;

D O I：

10.1109/JSSC.2015.2393815

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper describes a link margin enhancement method for high data rate impulse-radio ultra-wideband (IR-UWB) transceiver systems. To overcome a trade-off between link margin and spectrum compliance in the pulse based UWB system, a spectrum-efficient frequency hopping (FH) technique is proposed to increase average transmission power without violating the spectrum mask. An energy detection receiver is used to convert a frequency hopping signal to a baseband signal with the original bandwidth, thus improving the signal-to-noise ratio. A 500 Mb/s 7.25-9.5 GHz UWB transceiver is implemented in 65 nm CMOS. Having eight sub-bands with 50% overlap, the transceiver exhibits a meter-range communication capability with a 9 dB link margin enhancement. The transceiver consumes 13.3 mW from a 1 V supply, achieving an energy efficiency of 26.6 pJ/bit.

引用

页码：669 / 678

页数：10

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