Journal ArticleDOI
Ultra-wideband wireless systems
G.R. Aiello,G.D. Rogerson +1 more
TLDR
In this article, two UWB multiband systems, frequency hopping and Spectral Keying, have been described, both of which meet the stringent requirements provided by IEEE 802.15.3a.Abstract:
The recent FCC frequency allocation for UWB has generated a lot of interest in UWB technologies. There is 7,500 MHz of spectrum for unlicensed use. The main limitations are provided by the low-power spectral density and by the fact that the transmit signal must occupy at least 500 MHz at whole times. IEEE 802.15.3a is being developed for high-bit-rate PAN applications, and UWB is the most promising technology to support the stringent requirements: 110, 200, and 480 Mb/s. Two UWB multiband systems, frequency hopping and Spectral Keying, have been described in this article. Both systems meet the stringent requirements provided by IEEE 802.15.read more
Citations
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Proceedings ArticleDOI
A novel wideband bandpass filter using open stubs multi-mode square ring resonator
TL;DR: In this paper, a novel wideband bandpass filter using open stubs multi-mode square ring resonators is proposed, which simultaneously realizes a broad passband, a compact size, and two transmission zeros at upper stopbands.
Journal ArticleDOI
Influence of large signal modulation on photonic UWB generation based on electro-optic modulator
TL;DR: The influence of large signal modulation on two typical schemes, representing two major categories of external-modulator-based photonic UWB generation schemes, is analytically and numerically studied.
DissertationDOI
A CMOS low power ultra wide band(UWB) transceiver
TL;DR: In this article, the authors present a list of symbols and symbols to represent the year of the year 2019: 1) Acknowledgments and acknowledgements, 2) Table of contents, 3) Tables, 4) Figures, 5) Symbols
Proceedings ArticleDOI
All-optical ultra-wideband doublet generation and non-degraded transmission over optical fiber
TL;DR: In this article, the authors demonstrate all-optical ultra-wideband doublet pulse generation by single SOA and 1km SMF, and the doublet pulses are transmitted over 5 km SMF by dispersion compensation without degradation.
Journal ArticleDOI
Studies on ultrawideband filters using stub-loaded circular and triangular resonators
TL;DR: In this paper, a compact UWB bandpass filter using stub-loaded ring and triangular resonators fed with capacitive-ended interdigital coupled lines is proposed, which shows sharp transitions at the edges of the UWB passband and improved out-of-band performance.
References
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Proceedings ArticleDOI
Rapid acquisition for ultra-wideband localizers
TL;DR: This work has developed a method of rapid acquisition that allows two nodes to acquire each other in a fraction of the time afforded by other methods, utilizing a beacon/listener technique using Kasami sequences and divide-and-conquer algorithms.
Proceedings ArticleDOI
Recent advances in ultra wideband communications systems
TL;DR: Three recent system developments are described: an ad hoc wireless UWB communications network for tactical voice and high-speed data communications; a long range UWB system for over-the-water and non line-of-sight voice, data and video communications.
Proceedings ArticleDOI
UWB technology for wireless video networking
M. Ho,L. Taylor,G.R. Aiello +2 more
TL;DR: The characteristics and the advantages of ultra-wideband (UWB) radio technology when combined with a decentralized, priority-driven network architecture for wireless video networking in the home are described.
Proceedings ArticleDOI
Multi-user perspectives in UWB communications networks
TL;DR: In this article, the authors provide an overview of multiplexing techniques and suggest ways in which they can be applied to UWB networks and relative advantages and challenges of each technique are identified in order to understand the suitabilitability of each for use in a multi-piconet WPAN system.
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