NDLI: Narrowband interference suppression in time-hopping impulse radio ultra-wideband communications

Content Provider	IEEE Xplore Digital Library
Author	Jiangzhou Wang Wong Tat Tung
Copyright Year	1972
Abstract	Ultra-wideband (UWB) technology has been considered an innovative solution for future short-range high-speed wireless communications. Interference suppression is important for the UWB devices to operate over spectrum occupied by narrowband systems. In this paper, the use of a notch filter in time-hopping impulse radio (TH-IR) for UWB communication is considered, where a Gaussian monopulse is employed with pulse position modulation. Lognormal channel fading is assumed, and a complete analytical framework is provided for the performance evaluation of using a transversal-type notch filter to reject narrowband interference (NBI). A closed-form expression of bit-error probability is derived, and the numerical results show that the use of a notch filter can improve the system performance significantly. Furthermore, a performance comparison between TH-IR and multicarrier code-division multiple-access (MC-CDMA) UWB systems is made under the conditions of the same transmit power, the same data rate, and the same bandwidth. It is shown that in the presence of NBI, the TH-IR system and MC-CDMA system achieve similar performance when both use a notch filter
Starting Page	1057
Ending Page	1067
Page Count	11
File Size	800185
File Format	PDF
ISSN	00906778
Volume Number	54
Issue Number	6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Narrowband Interference suppression Ultra wideband technology Filters Pulse modulation Multicarrier code division multiple access Communications technology Wireless communication Ultra wideband communication Fading ultra-wideband (UWB) communications Impulse radio (IR) log-normal fading multicarrier code-division multiple access (MC-CDMA) notch filter Rake receiver time-hopping (TH)
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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