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ICC
2007
IEEE
13 years 11 months ago
Modulation Schemes Based on Orthogonal Pulses for Time Hopping Ultra Wideband Radio Systems
— This paper describes a combined modulation scheme for time hopping ultra wideband (TH-UWB) radio systems using on-off keying (OOK) and pulse shape modulation (PSM). For this sc...
Sudhan Majhi, A. S. Madhukumar, A. Benjamin Premku...
ICC
2007
IEEE
13 years 11 months ago
Multiple-Access Slightly Frequency-Shifted Reference Ultra-Wideband Communications for Dense Multipath Channels
Abstract— The design of ultra-wideband (UWB) communication systems has proven to be challenging. Coherent systems require a rake receiver with many taps that is difficult to tra...
Qu Zhang, Dennis Goeckel
DSD
2004
IEEE
136views Hardware» more  DSD 2004»
13 years 8 months ago
Architecture of Wireless Sensor Node using Novel Ultra-Wideband Modulation Scheme
Recently ultra-wideband (UWB) communications has emerged as an alternative to narrowband communications used in wireless sensor networks. One of UWB(s) most attractive feature for...
Matthew D'Souza, Adam Postula
JSAC
2006
94views more  JSAC 2006»
13 years 5 months ago
Multiuser transmitted reference ultra-wideband communication systems
Abstract--A conventional transmitted reference (TR) modulation scheme is an effective means to combat severe multipath distortion in an ultra-wideband (UWB) system, significantly r...
Zhengyuan Xu, Brian M. Sadler
GLOBECOM
2008
IEEE
13 years 11 months ago
Performance of Constrained Blind Adaptive DS-CDMA UWB Multiuser Detector in Multipath Channel with Narrowband Interference
—In this paper we derive and propose constrained blind DS-CDMA UWB multiuser detection algorithm to suppress the multi access interference (MAI) in multipath channels, and studie...
Gangadhar S. Biradar, Shabbir N. Merchant, Uday B....