Low-complexity ultra-wide-band communications

被引：17

作者：

Gerrits, John F. M. ^{[1
]}

Farserotu, John R. ^{[1
]}

Long, John R. ^{[2
]}

机构：

[1] CSEM, Wireless Commun Sect, CH-2007 Neuchatel, Switzerland

[2] Delft Univ Technol, Elect Res Lab, NL-2628 CD Delft, Netherlands

来源：

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS | 2008年 / 55卷 / 04期

关键词：

low complexity; ultra-wide-band (UWB); interference mitigation; impulse radio (IR); FM-UWB; frequency-shift keying (FSK); robustness; multipath;

D O I：

10.1109/TCSII.2008.918990

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：

Low-complexity low-power ultra-wide-band (UWB) radios are required for low data rate (LDR, < 100 kbps) short-range applications. Potential low-power air interface candidates are impulse radio UWB and FM-UWB. The use of simple (non-coherent) radio architectures, a low supply voltage and duty cycling pave the way to low power consumption. Interference mitigation is an important requirement for today's UWB receivers. Processing gain and filtering may be applied in the physical layer, whereas detect and avoid strategies work at MAC level. Constant-envelope FM-UWB uses high modulation index analog FM for spreading. Instantaneous despreading in the receiver, combined with processing gain make this system an interesting option for robust LDR Personal Area Network systems.

引用

页码：329 / 333

页数：5

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