Low-Power Successive Approximation Converter With 0.5 V Supply in 90 nm CMOS (2009)
Simone Gambini, Student Member, Jan Rabaey
Abstract—We report on the design and characterization of an ultralow-power converter, designed for use in baseband digitization in wireless sensor network radio receivers. The converter uses a...
Coding for Sensor Networks Using Untuned Radios (2009)
Dragan Petrović, Kannan Ramch, Jan Rabaey
Abstract — The drive toward the implementation and massive deployment of wireless sensor networks calls for ultra-low-cost and low-power nodes. While the digital subsystems of the nodes are still...
Tufan C. Karalar, Shunzo Yamashita, Michael Sheets, Jan Rabaey
Localization (a.k.a. locationing) is a central concern for ubiquitous self-configuring sensor networks. In this paper the implementation of a distributed, least-squaresbased localization algorithm is...
A 100KS/s 65dB DR Σ − ∆ ADC with 0.65V supply voltage (2009)
Abstract — We present a low-power Σ − ∆ modulator to be used in the baseband sections of wireless sensor network receivers with 0.65V Vdd operation. The design is optimized for low-power...
Ultra-Low-Voltage Robust Design Issues in Deep- (2009)
Submicron Cmos, Andrei Vladimirescul, Yu Cao, Olivier Thomas, Huifang Qin, Dejan Markovic, ...
Abstracf- Design challenges for operating CMOS circuits fabricated in 0.13pm and liner technologies at ultra-low-voltages are analyzed. The design goal consists in minimizing energy by reducing V,,...
178 Modeling Within-Field Gate Length Spatial Variation for Process-Design Co-Optimization (2008)
Paul Friedberg, Yu Cao, Jason Cain, Ruth Wang, Jan Rabaey, Costas Spanos
Pelgrom’s model [1] suggests that a spatial correlation structure is inherent in the physical properties of semiconductor devices; specifically, devices situated closely together will be subject to...
Is “Network ” the Next “Big Idea ” in Design? (2008)
Radu Marculescu, Jan Rabaey, Alberto Sangiovanni-vincentelli
As the complexity of nowadays systems continues to grow, we are moving away from creating individual components from scratch, toward methodologies that emphasize composition of re-usable components...
Randomized Sleeping for Energy Conservation and Robustness in Dense Sensor Networks (2008)
Dragan Petrović, Jana Van Greunen, Alvise Bonivento, Kannan Ramch, Jan Rabaey, Alberto Sangiovanni-vincentelli
Abstract—This work presents an approach for exploiting high density of homogeneous nodes in a sensor network to conserve energy by allowing nodes to “sleep”, while providing robustness to...
Is “Network ” the Next “Big Idea ” in Design? (2008)
Radu Marculescu, Jan Rabaey, Alberto Sangiovanni-vincentelli
As the complexity of nowadays systems continues to grow, we are moving away from creating individual components from scratch, toward methodologies that emphasize composition of re-usable components...
Throughput ofWireless Networks ofUntuned Radios (2008)
Dragan Petrovic, Kannan Ramch, Jan Rabaey
Abstract- The drive toward the implementation and massive deployment of wireless sensor networks calls for ultra-low-cost and low-power nodes. While the digital subsystems of the nodes are still...
A Low-Energy Chip-Set for Wireless Intercom (2008)
Josie Ammer Michael, Michael Sheets, Tufan Karalar, Mika Kuulusa, Jan Rabaey
A low power wireless intercom system is designed and implemented. Two fully-operational ASICs, integrating custom and commercial IP, implement the entire digital portion of the protocol stack....
Network Support For, Shankar Narayanaswamy, Srinivasan Seshan, Yuan-chi Chang, O Fox, Jeffrey M. Gilbert, ...
This article describes the design, implementation and evaluation of the software network and application services that support the InfoPad terminal. We believe that future users will demand network...
Chapter 5 UML AND PLATFORM-BASED DESIGN (2007)
Rong Chen, Marco Sgroi, Luciano Lavagno, Grant Martin, Jan Rabaey
Abstract: This chapter presents a specification technique based on UML for the design of embedded systems and platforms. It covers stereotypes and extended notations to represent platform services...
Chapter # EMBEDDED SYSTEM DESIGN USING UML AND PLATFORMS (2007)
Rong Chen, Marco Sgroi, Luciano Lavagno, Grant Martin, Jan Rabaey
Important trends are emerging for the design of embedded systems: a) the use of highly programmable platforms, and b) the use of the Unified Modeling Language (UML) for embedded software development....
Reconfigurable Platform Design For Wireless Protocol Processors (2007)
Tim Tuan, Suet-Fei Li, Jan Rabaey
Low-energy protocol processing is a crucial issue in next - generation wireless systems. In modern wireless system design, this problem is tightly coupled with the signal processing needs. Fierce...
The energy-per-useful-bit metric for evaluating and optimizing sensor network physical layers (2006)
Abstract- To become truly ubiquitous, sensor network nodes must achieve ultra low power consumption. This paper proposes the Energy-per-Useful-Bit (EPUB) metric for evaluating and comparing sensor...
Overcoming untuned radios in wireless networks with network coding (2006)
Dragan Petrović, Student Member, Kannan Ramch, Jan Rabaey
Abstract—The drive toward the implementation and massive deployment of wireless sensor networks calls for ultralow-cost and low-power nodes. While the digital subsystems of the nodes are still...
Overcoming untuned radios in wireless networks with network coding (2006)
Dragan Petrović, Kannan Ramch, Jan Rabaey
Abstract — The drive toward the implementation and massive deployment of wireless sensor networks calls for ultra-low-cost and low-power nodes. While the digital subsystems of the nodes are still...
Modeling within-die spatial correlation effects for process-design co-optimization (2005)
Paul Friedberg, Yu Cao, Jason Cain, Ruth Wang, Jan Rabaey, Costas Spanos
Within-die spatial correlation of device parameter values caused by manufacturing variations [1] has a significant impact on circuit performance. Based on experimental and simulation results, we (1)...
Modeling within-die spatial correlation effects for process-design co-optimization (2005)
Paul Friedberg, Yu Cao, Jason Cain, Ruth Wang, Jan Rabaey, Costas Spanos
Within-die spatial correlation of device parameter values caused by manufacturing variations [1] has a significant impact on circuit performance. Based on experimental and simulation results, we (1)...
Low power synchronization for wireless sensor network modems (2005)
Abstract- A simplification of synchronization requirements is necessary to meet the low power goals of wireless sensor networks (WSNs). Simply scaling existing synchronization systems to WSN data...
Standby Supply Voltage Minimization for Deep Sub-Micron (2005)
Huifang Qin, Yu Cao, Dejan Markovic, Andrei Vladimirescu, Jan Rabaey
Wireless platforms: GOPS for cents and MilliWatts (2005)
Bacchini, Francine, Rabaey, Jan, Cox, Allan, Lane, Frank, Ramacher, Ulrich, ...
Low power synchronization for wireless sensor network modems (2005)
Abstract- A simplification of synchronization requirements is necessary to meet the low power goals of wireless sensor networks (WSNs). Simply scaling existing synchronization systems to WSN data...
An integrated, low power localization system for sensor networks (2004)
Tufan C. Karalar, Shunzo Yamashita, Michael Sheets, Jan Rabaey
Localization (a.k.a. locationing) is a central concern for ubiquitous self-configuring sensor networks. In this paper the implementation of a distributed, least-squaresbased localization algorithm is...
SRAM leakage suppression by minimizing standby supply voltage (2004)
Huifang Qin, Yu Cao, Dejan Markovic, Andrei Vladimirescu, Jan Rabaey
Suppressing the leakage current in memories is critical in low-power design. By reducing the standby supply voltage (VDD) to its limit, which is the Data Retention Voltage (DRV), leakage power can be...
Adaptive sleep discipline for energy conservation and robustness in dense sensor networks (2004)
Jana Van Greunen, Dragan Petrović, Alvise Bonivento, Jan Rabaey, Kannan Ramch, Alberto Sangiovanni-vincentelli
Abstract — We present an adaptive approach for conserving energy in high-density sensor networks. The proposed method allows sensor nodes to sleep while ensuring that application performance...
SRAM leakage suppression by minimizing standby supply voltage (2004)
Huifang Qin, Yu Cao, Dejan Markovic, Andrei Vladimirescu, Jan Rabaey
Suppressing the leakage current in memories is critical in low-power design. By reducing the standby supply voltage (VDD) to its limit, which is the Data Retention Voltage (DRV), leakage power can be...
SRAM leakage suppression by minimizing standby supply voltage (2004)
Huifang Qin, Yu Cao, Dejan Markovic, Andrei Vladimirescu, Jan Rabaey
Suppressing the leakage current in memories is critical in low-power design. By reducing the standby supply voltage (VDD) to its limit, which is the Data Retention Voltage (DRV), leakage power can be...
A low power localization architecture and system for wireless sensor networks (2004)
Tufan C. Karalar, Shunzo Yamashita, Michael Sheets, Jan Rabaey
Localization (a.k.a. locationing) is a central concern for ubiquitous self-configuring sensor networks. In this paper the implementation of a distributed, least-squares-based localization algorithm...
Adaptive Sleep Discipline for Energy Conservation and Robustness (2004)
Jana Van Greunen, Dragan Petrovi, Alvise Bonivento, Jan Rabaey, Kannan Ramch, Alberto Sangiovanni-vincentelli
Abstract — We present an adaptive approach for conserving energy in high-density sensor networks. The proposed method allows sensor nodes to sleep while ensuring that application performance...
Yield optimization with energy-delay constraints in lowpower digital circuits (2003)
Yu Cao, Huifang Qin, Ruth Wang, Paul Friedberg, Andrei Vladimirescu, Jan Rabaey
Abstract – As circuit parametric variations aggravate in advanced technology, yield emerges as an important figure-of-merit in circuit design. Based on a 130nm technology, the yield-energy-delay...
Shad Roundy, Paul K. Wright, Jan Rabaey
Advances in low power VLSI design, along with the potentially low duty cycle of wireless sensor nodes open up the possibility of powering small wireless computing devices from scavenged ambient...
A Low-Energy Chip-Set for Wireless Intercom (2003)
Josie Ammer Michael, Michael Sheets, Tufan Karalar, Mika Kuulusa, Jan Rabaey
A low power wireless intercom system is designed and implemented. Two fully-operational ASICs, integrating custom and commercial IP, implement the entire digital portion of the protocol stack....
Lightweight Time Synchronization for Sensor Networks (2003)
This paper presents lightweight tree-based synchronization (LTS) methods for sensor networks. First, a single-hop, pair-wise synchronization scheme is analyzed. This scheme requires the exchange of...
Yield Optimization with Energy-Delay Constraints in Low-Power Digital Circuits (2003)
Yu Cao Huifang, Yu Cao, Huifang Qin, Ruth Wang, Paul Friedberg, Andrei Vladimirescu, ...
As circuit parametric variations aggravate in advanced technology, yield emerges as an important figure-of-merit in circuit design. Based on a 130nm technology, the yield-energy-delay tradeoffs in...
Data funneling: routing with aggregation and compression for wireless sensor networks (2003)
Dragan Petrović, Rahul C. Shah, Kannan Ramch, Jan Rabaey
Abstract—This paper considers the problem of minimizing the amount of communication needed to send readings from a set of sensors to a single destination in energy constrained wireless networks....
Ultra Low Power CORDIC Processor for Wireless Communication Algorithms (2002)
Abstract. We designed and implemented an ultra low power CORDIC processor which targets the implementation We propose a modified CORDIC algorithm and architecture. and we elaborate on the low power...
Embedded system design using uml and platforms (2002)
Rong Chen, Marco Sgroi, Grant Martin, Luciano Lavagno, Alberto Sangiovanni-vincentelli, Jan Rabaey
Important trends are emerging for the design of embedded systems: a) the use of highly programmable platforms, and b) the use of the Unified Modeling Language (UML) for embedded software development....
Robust positioning algorithms for distributed ad-hoc wireless sensor networks (2002)
Chris Savarese, Jan Rabaey, Koen Langendoen
in any form or by any means without prior written permission of the publisher.
An Ultra-Low Power and Distributed Access Protocol for Broadband Wireless Sensor Networks (2001)
Lizhi Charlie Zhong, Rahul Shah, Chunlong Guo, Jan Rabaey
Abstract- An ultra-low power access control scheme has been proposed for broadband wireless sensor networks. This is a distributed method, which does not require the existence of a central base...
Locationing In Distributed Ad-Hoc Wireless Sensor Networks (2001)
Chris Savarese, Jan Beutel, Jan Rabaey
Evolving networks of ad-hoc, wireless sensing nodes rely heavily on the ability to establish position information. The algorithms presented herein rely on range measurements between pairs of nodes...
MOS Current Mode Logic for Low Power, Low Noise (2000)
Cordic Computation In, Jason Musicer, Jan Rabaey
In this work, MOS Current Mode Logic (MCML) is analyzed for application to low power, mixed signal environments. A small MCML cell library is developed and optimized for several different performance...
Predicting Performance Potential of Modern DSPs (2000)
Naji Ghazal, Richard Newton, Jan Rabaey
Abstract-- High-level development tools for digital signal processors (DSPs) remain unable to extract optimal performance from them without the designer's in-depth knowledge of the architecture....
Retargetable Estimation Scheme for DSP Architecture Selection (2000)
Naji Ghazal, Richard Newton, Jan Rabaey
Abstract — Given the recent wave of innovation and diversification in digital signal processor (DSP) architecture, the need for quickly evaluating the true potential of considered architectural...
Picoradio: Communication/Computation Piconodes for Sensor Networks (1998)
Rabaey, Jan, Broderson, Robert, Ramchandran, Kannan, Wright, Paul, Ammer, M. J.
This project addressed the 'system-on-a-chip' implementation of a PicoNode, which can provide all the communication, computation, and geolocation functions necessary for an adaptive distributed...
A methodology for guided behavioral-level optimization (1998)
Lisa Guerra, Miodrag Potkonjak, Jan Rabaey
Abstract — Optimization at the early stages of design are crucial. However, due to an overwhelming number of design and optimization options, design exploration is often conducted in a qualitative,...
Evaluation of a low-power reconfigurable DSP architecture (1998)
Arthur Abnous, Katsunori Senoy, Marlene Wan, Jan Rabaey
Abstract. Programmability is an important capability that provides flexible computing devices, but it incurs significant performance and power penalties. We have proposed an architecture that relies...
A methodology for guided behavioral-level optimization (1998)
Lisa Guerra, Miodrag Potkonjak, Jan Rabaey
Abstract — Optimization at the early stages of design are crucial. However, due to an overwhelming number of design and optimization options, design exploration is often conducted in a qualitative,...
A methodology for guided behavioral-level optimization (1998)
Lisa Guerra, Miodrag Potkonjak, Jan Rabaey
Abstract — Optimization at the early stages of design are crucial. However, due to an overwhelming number of design and optimization options, design exploration is often conducted in a qualitative,...
Evaluation of a low-power reconfigurable DSP architecture (1998)
Arthur Abnous, Katsunori Senoy, Marlene Wan, Jan Rabaey
Abstract. Programmability is an important capability that provides flexible computing devices, but it incurs significant performance and power penalties. We have proposed an architecture that relies...
Exploiting Locality for Low-Power Design (1996)
Renu Mehra, Lisa Guerra, Jan Rabaey
We propose a new high-level synthesis technique for the low-power implementation of real-time applications. The technique uses algorithm partitioning to preserve locality in the assignment of...
Exploiting Regularity for Low-Power Design (1996)
Current day behavioral-synthesis techniques produce architectures that are power-inefficient in the interconnect. Experiments have demonstrated that in synthesized designs, about 10 to 40% of the...
Design guidance in the power dimension (1995)
Jan Rabaey, Lisa Guerra, Renu Mehra
This work proposes an approach for high level design guidance for low power using properties of given algorithms and architectures. Several relevant properties (operation count, the ratio of critical...
Design Guidance In The Power Dimension (1995)
Jan Rabaey, Lisa Guerra, Renu Mehra
This work proposes an approach for high level design guidance for low power using properties of given algorithms and architectures. Several relevant properties (operation count, the ratio of critical...
Optimizing Power Using Transformations (1995)
Anantha P. Chandrakasan, Miodrag Potkonjak, Renu Mehra, Jan Rabaey, Robert W. Brodersen
: The increasing demand for portable computing has elevated power consumption to be one of the most critical design parameters. A high-level synthesis system, HYPER-LP, is presented for minimizing...
Power conscious CAD tools and methodologies: a perspective (1995)
Rabaey, Jan, Pedram, M, Rajgopal, S, Sehgal, N, ...
Algorithm Selection: A Quantitative Computation-Intensive Optimization Approach (1994)
Given a set of specifications for a targeted application, algorithm selection refers to choosing the most suitable algorithm for a given goal, among several functionally equivalent algorithms. We...
Software Architecture of the Infopad System (1994)
My T. Le, Srinivasan Seshan, Frederick Burghardt, Jan Rabaey
This paper describes a software architecture for the Infopad mobile computing system. The software architecture, called Infonet, supports the use of multimedia services in the Infopad mobile system....
Behavioral Level Power Estimation and Exploration (1994)
: This paper addresses the problem of estimating, from a behavioral level description, the power consumed by a design. We propose a combination of analytical and stochastic estimation techniques and...
Algorithm Selection: A Quantitative Computation-Intensive Optimization Approach (1994)
Given a set of specifications for a targeted application, algorithm selection refers to choosing the most suitable algorithm for a given goal, among several functionally equivalent algorithms. We...
High level synthesis for reconfigurable datapath structures (1993)
Lisa Guerra, Miodrag Potkonjalc, Jan Rabaey
High level synthesis techniques for the synthesis of restructurable dutapaths are introduced. The techniques can be used in applications such as design for fault tolerance against permanent faults,...
HYPER: An interactive synthesis environment for high performance real time applications (1989)
Chi-min Chu, Miodrag Potkonjak, Marlms Thaler, Jan Rabaey
A symhesis system called HYPER is proposed for real time applications. HYPER taes a flow graph description of an algodfinn as the input and performs scheduling, resource allocation, optimizations,...