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A 0.65-to-1.4 nJ/Burst 3-to-10 GHz UWB All-Digital TX in 90 nm CMOS for IEEE 802.15.4a
Julien Ryckaert;Geert Van der Plas;Vincent De Heyn;Claude Desset;Bart Van Poucke;Jan Craninckx
We propose an all-digital UWB transmitter architecture that exploits the low duty cycle of impulse-radio UWB to achieve ultra-low power consumption. The design supports the IEEE 802.15.4a standard and is demonstrated for its mandatory mode. A digitally controlled oscillator produces the RF carrier between 3 and 10 GHz. It is embedded in a phase-aligned frequency-locked loop that starts up in 2 ns ...Show More
UWB Radio Transceivers For Ultra Low Power and Low Data Rate Communications
Guido Dolmans;Olivier Rousseaux;Li Huang;Ting Fu;Bert Gyselinkx;Stefano d'Amico;Andrea Baschirotto;Julien Ryckaert;Bart van Poucke
2007 IEEE International Conference on Ultra-Wideband
Year: 2007 | Conference Paper |
Cited by: Papers (23)
Radio transceivers relying on impulsed radio UWB signals show a strong potential for low data rate communications at an ultra low power consumption. They are for instance proposed by the IEEE 802.15.4a low-rate wireless personal area networks standard (LR-WPAN) to support low data rates, low power and low complexity short-range radio communications. In this paper, we give an overview of our recent...Show More
A CMOS Ultra-Wideband Receiver for Low Data-Rate Communication
Julien Ryckaert;Marian Verhelst;Mustafa Badaroglu;Stefano D'Amico;Vincent De Heyn;Claude Desset;Pierluigi Nuzzo;Bart Van Poucke;Piet Wambacq;Andrea Baschirotto;Wim Dehaene;Geert Van der Plas
A low-power impulse-radio ultra-wideband receiver is demonstrated for low data-rate applications. A topology selection study demonstrates that the quadrature analog correlation is a good receiver architecture choice when energy consumption must be minimized. The receiver operates in the 3.1-5 GHz band of the UWB FCC spectrum mask on channels of 500 MHz bandwidth. The pulse correlation operation is...Show More
A 0.65-to-1.4nJ/burst 3-to-10GHz UWB Digital TX in 90nm CMOS for IEEE 802.15.4a
Julien Ryckaert;Geert van der Plas;Vincent de Heyn;Claude Desset;Geert Vanwijnsberghe;Bart van Poucke;Jan Craninckx
2007 IEEE International Solid-State Circuits Conference. Digest of Technical Papers
Year: 2007 | Conference Paper |
Cited by: Papers (38)
A digital UWB TX that supports the IEEE 802.15.4a standard is presented. A digitally controlled oscillator produces the RF carrier for all bands between 3 and 10GHz. It is embedded in a phase-aligned frequency-locked loop that starts up in 2ns and thus exploits the signal duty-cycle that can be as low as 3%. A digital modulator shapes the BPSK symbols at the required 500MHz chip rate. The energy r...Show More
Optimized Signal Acquisition for Low-Complexity and Low-Power IR-UWB Transceivers
Claude Desset;Mustafa Badaroglu;Julien Ryckaert;Bart van Poucke
2007 IEEE 65th Vehicular Technology Conference - VTC2007-Spring
Year: 2007 | Conference Paper |
Cited by: Papers (1)
Impulse-based ultra-wideband systems are appealing for low-power short-range communications as they can benefit from duty-cycled low-complexity analog architectures. Low-power receivers correlate in the analog domain and sample only at the pulse repetition frequency. However, achieving acquisition with such a receiver requires an efficient search strategy, as digital post-processing (equalization)...Show More
UWB Search Strategies for Minimal-Length Preamble and a Low-Complexity Analog Receiver
Claude Desset;Mustafa Badaroglu;Julien Ryckaert;Bart van Poucke
2006 IEEE 7th Workshop on Signal Processing Advances in Wireless Communications
Year: 2006 | Conference Paper |
Impulse-based ultra-wideband systems are appealing for low-power short-range communications as they can benefit from low-complexity analog architectures. Having such a receiver in mind, we consider two pulse position and code phase acquisition search strategies, as synchronization remains the biggest bottleneck of UWB. Moreover, as the transmitter power consumption increases proportionally with sy...Show More
A 16mA UWB 3-to-5GHz 20Mpulses/s Quadrature Analog Correlation Receiver in 0.18/spl mu/m CMOS
J. Ryckaert;M. Badaroglu;V. De Heyn;G. Van der Plas;P. Nuzzo;A. Baschirotto;S. D'Amico;C. Desset;H. Suys;M. Libois;B. Van Poucke;P. Wambacq;B. Gyselinckx
2006 IEEE International Solid State Circuits Conference - Digest of Technical Papers
Year: 2006 | Conference Paper |
A 3-to-5GHz quadrature analog correlation RX for UWB impulse radio draws 16mA at 20Mpulses/s, making it suitable for low-power low-data-rate applications. The RX is fully integrated in a CMOS 0.18μm process and comprises an LNA, quadrature LO generation and mixers, baseband filtering, an integrator, timing circuitry, and an ADCShow More
Carrier-based UWB impulse radio: simplicity, flexibility, and pulser implementation in 0.18-micron CMOS
J. Ryckaert;M. Badaroglu;C. Desset;V. De Heyn;G. ven der Plas;P. Wambacq;B. van Poucke;S. Donnay
2005 IEEE International Conference on Ultra-Wideband
Year: 2005 | Conference Paper |
Emerging impulse-based ultra-wideband (UWB) technology shows strong advantages for the implementation of low-power transceivers. In this paper we propose a carrier-based UWB system that brings two distinctive advantages over other UWB systems: 1) lower power operation due to the fact that signal processing is optimally partitioned between analog and digital baseband; 2) better spectrum utilization...Show More
Ultra-wide-band transmitter for low-power wireless body area networks: design and evaluation
J. Ryckaert;C. Desset;A. Fort;M. Badaroglu;V. De Heyn;P. Wambacq;G. Van der Plas;S. Donnay;B. Van Poucke;B. Gyselinckx
The successful realization of a wireless body area network (WBAN) requires innovative solutions to meet the energy consumption budget of the autonomous sensor nodes. The radio interface is a major challenge, since its power consumption must be reduced below 100 /spl mu/W (energy scavenging limit). The emerging ultra-wide-band (UWB) technology shows strong advantages in reaching this target. First,...Show More
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