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Timing Synchronisation for IR-UWB Communication Systems
[chapter]
2012
Ultra Wideband - Current Status and Future Trends
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SNR per pulse for second-order DLL Timing Synchronisation for IR-UWB Communication Systems 35 Normalized MSE vs. ...
Figures 15-16 show the comparison of mean square error (MSE) performance in DA & NDA modes with dirty templates for various values of . ...
doi:10.5772/48663
fatcat:ooeflnsqhbfwncvqhrjsczmnwy
BER sensitivity to mistiming in ultra-wideband impulse radios - part II: fading channels
2005
IEEE Transactions on Signal Processing
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Through analyses and simulations, we illustrate that the reception quality of a UWB impulse radio is highly sensitive to both timing acquisition and tracking errors. ...
For a general correlation-based detector, we derived in Part I unifying expressions for the decision statistics as well as BER formulas under mistiming, given fixed channel realizations. ...
ACKNOWLEDGMENT The authors would like to thank the anonymous reviewers for their constructive comments and suggestions. ...
doi:10.1109/tsp.2005.845485
fatcat:ql47mlxo3rfrnmg5gqa744otuu
A 0.4-V UWB baseband processor
2007
Proceedings of the 2007 international symposium on Low power electronics and design - ISLPED '07
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Measured results for a 20-pJ/bit 100-Mbps UWB baseband processor are presented. Architectural techniques and design methodologies for reducing additional complexity due to parallelism are discussed. ...
While ultralow voltage operation is usually limited to low energy, low performance applications, this work examines how it can be applied to low energy, high performance applications. ...
ACKNOWLEDGEMENTS The authors would like to thank Raúl Blázquez for technical discussions and STMicroelectronics for providing process and cell library access. ...
doi:10.1145/1283780.1283837
dblp:conf/islped/SzeC07
fatcat:hnqctkzrjraf3e44r5f25brvgi
Timing Acquisition in Ultra-wideband Communication Systems
2005
IEEE Transactions on Vehicular Technology
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We discuss how the distinguishing features of UWB communication systems, such as their wide bandwidth and low transmission power constraints, are responsible for making the acquisition of UWB signals a ...
The goal of this paper is to highlight the significance of the timing acquisition problem in ultra-wideband (UWB) communication systems and discuss efficient solutions to the problem. ...
Generalized Likelihood Ratio Test for UWB Signal Acquisition There has not been much effort in the direction of finding the optimal detectors for the timing acquisition problem in UWB systems. ...
doi:10.1109/tvt.2005.855495
fatcat:5xrjen7w6vc5tci7k6lysq4sha
Noncoherent Ultra-Wideband (De)Modulation
2007
IEEE Transactions on Communications
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We show that the resultant robust-to-timing TR (RTTR) approach considerably improves performance of the original TR system in the presence of timing offsets or residual timing acquisition errors. ...
Ultra-wideband (UWB) radios have received increasing attention recently for their potential to overlay legacy systems, their low-power consumption and low-complexity implementation. ...
Although the original TR-UWB uses the sign detector in (18) in lieu of steps S2 and S3, the low-complexity option S3b for our RTTR-UWB is also essentially a sign detector.
VI. ...
doi:10.1109/tcomm.2007.894116
fatcat:7lnngrnisrbzrg2yge7ie5fbpa
Intelligent Communication Module for Wireless Biosensor Networks
[chapter]
2010
Biosensors
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Every component of the WBSN node has to be designed for low power consumption as it directly affects the system reliability, efficiency and life. ...
This makes the design of the communication module and its receiver section very critical for WBSN applications. ...
Clock generation module, bank of parallel digital pulse matched filters (PMFs), bank of parallel pseudo noise correlators (PNCs), peak detector, local PN generator, data recovery and control block together ...
doi:10.5772/7212
fatcat:orkyphncqbckzewnzucufuadwu
Analysis of UWB Systems for Synchronization and Fine Timing
2020
International journal of recent technology and engineering
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Ultra-Wide Band (UWB) technology due to its high speed, data rate and multipath immune characteristics is one of the promising solutions for communication systems. ...
In UWB technology challenging task is synchronization and fine timing performance for the specified application. ...
problem of ISI and hence low performance in comparison to the traditional TR systems. ...
doi:10.35940/ijrte.f7661.038620
fatcat:jkuv36tiuvfnblu4o55ko42ba4
Low-Power Impulse UWB Architectures and Circuits
2009
Proceedings of the IEEE
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Pulsed ultrawide band provides the energy needed for a high data-rate battery-operated transceiver, and a low data-rate transceiver suitable for battery-less operation. ...
Two custom low-power impulse UWB systems are presented in this paper that address high-and low-data-rate applications. Both systems utilize energy-efficient architectures and circuits. ...
For real-time acquisition and demodulation of a UWB packet, the baseband processor must perform signal processing with a throughput of 500 MS/s. ...
doi:10.1109/jproc.2008.2008787
fatcat:wztqds6eebbjhh734egodrlunm
Energy Efficient Pulsed-UWB CMOS Circuits and Systems
2007
2007 IEEE International Conference on Ultra-Wideband
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The receiver performs channelselection filtering, energy detection, and bit-slicing. The receiver circuits operate at 0.65V and 0.5V, and can turn on in 2ns for duty-cycled operation. ...
A custom UWB transceiver chipset is presented that communicates in three 550MHz-wide channels in the 3.1 to 5GHz band by using pulse position modulation (PPM). ...
The reduction in energy typically comes at the expense of system performance. ...
doi:10.1109/icuwb.2007.4380956
fatcat:cor4q2qqpnec5n34mfoqukyspu
Ultrawideband Radio Design: The Promise of High-Speed, Short-Range Wireless Connectivity
2004
Proceedings of the IEEE
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This paper provides a tutorial overview of ultrawideband (UWB) radio technology for high-speed wireless connectivity. ...
Subsequent to establishing a historical and technological context, it describes the new impetus for UWB systems development and standardization resulting from the FCC's recent decision to permit unlicensed ...
For acquisition of a single user's preamble sequence in AWGN, a matched filter or correlator receiver is optimal. ...
doi:10.1109/jproc.2003.821910
fatcat:yrayuvkojzawtluhjg46g43vci
Ultra-Wideband Radio
2005
EURASIP Journal on Advances in Signal Processing
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The impact of the US FCC's regulations and the characteristics of the low-power UWB propagation channels are explored, and their effects on UWB hardware design are illustrated. ...
Further applications resulted in the construction of a sub-nanosecond, single coaxial cable scheme for multiplexing data between computer terminals . . . . ...
discussions of UWB radio systems. ...
doi:10.1155/asp.2005.252
fatcat:42x2nibnwrecvdyjjcb3kswzfa
Performance Evaluation of an IEEE 802.15.4a Physical Layer with Energy Detection and Multi-User Interference
2007
2007 IEEE International Conference on Ultra-Wideband
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Energy detectors are known to have a low implementation complexity and to allow for avoiding the complex channel estimation needed by a Rake receiver. ...
We evaluate the performance of an IEEE 802.15.4a ultra-wide band (UWB) physical layer, with an energy-detection receiver, in the presence of multi-user interference (MUI). ...
Both [10] and [3] considered packet detection and timing acquisition. They exposed the excellent trade-off between complexity and performance of an energy detection receiver for IR-UWB. ...
doi:10.1109/icuwb.2007.4381027
fatcat:r5issp3hybbxnautkkuohljmgu
Noncoherent ultra-wideband systems
2009
IEEE Signal Processing Magazine
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and positioning. ...
His research interests are in wireless communication, especially narrowband multiuser detection, digital modulation techniques, channel modeling, diversity techniques, and ultra-wideband communications ...
A variety of leading edge detectors can be applied to the acquired energy samples of the received UWB pulses, as described in [67] . ...
doi:10.1109/msp.2009.932617
fatcat:fmukf6ij3ffm5ppi4cg7kxqqfa
Low-complexity synchronization algorithms for orthogonally modulated IR-UWB systems
2013
EURASIP Journal on Wireless Communications and Networking
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The two widely adopted modulation schemes for IR-UWB systems are binary pulse amplitude modulation and binary pulse position modulation. ...
Timing synchronization is a major issue for any communication system since it is essential to ensure its stable operation and reliable performance. ...
System model and preliminaries
PSM transmission model For a typical IR-UWB system in a single-user scenario, equipped with TH codes and employing orthogonal PSM, the transmitted signal can be expressed ...
doi:10.1186/1687-1499-2013-199
fatcat:mzqp37khrzbmzlb27rgandz63i
Energy detection based blind synchronization for pulse shape modulated IR-UWB systems
2011
2011 IEEE 22nd International Symposium on Personal, Indoor and Mobile Radio Communications
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In this paper, an energy detection based non dataaided (NDA) algorithm for orthogonal pulse shape modulated (PSM) impulse radio ultra wideband (IR-UWB) system is proposed. ...
Synchronization is a key performance-limiting factor in any communication system and a challenging task to accomplish. ...
acquisition (P A ) and BER against E x /N 0 (where E x is energy within one pulse) . ...
doi:10.1109/pimrc.2011.6140090
dblp:conf/pimrc/AkbarRA11
fatcat:c2dkp6kc3nfvtifippikpaybj4
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