Liliana Diaz Olavarrieta - Academia.edu (original) (raw)
Papers by Liliana Diaz Olavarrieta
IEEE 1991 International Symposium on Electromagnetic Compatibility
Groundbounce is the noise produced by simultaneous switching of drivers in an ASIC, due to excess... more Groundbounce is the noise produced by simultaneous switching of drivers in an ASIC, due to excessive current drawn from the power supply at the time of switching. This noise may cause delay and false triggering problems at the functional level, as well as emissions problems due to the fast rise time and amplitude of current spikes induced. Test results which
Fieldbus Systems and Their Applications 2005, 2006
Abstract Automotive electronic subsystems are resource constrained, heterogeneous, distributed, r... more Abstract Automotive electronic subsystems are resource constrained, heterogeneous, distributed, real-time systems, and may implement safety-critical, X-by-wire applications, requiring fault-tolerance. Specifying requirements for an automotive application is a decision ...
Groundbounce is the noise produced by simultaneous switching of drivers in an ASIC, due to excess... more Groundbounce is the noise produced by simultaneous switching of drivers in an ASIC, due to excessive current drawn from the power supply at the time of switching. This noise may cause delay and false triggering problems at the functional level, as well as emissions problems due to the fast rise time and amplitude of current spikes induced. Test results which attest to the seriousness of the groundbounce problem in large ASICs are presented. The importance of the positioning of switching drivers as a factor in reducing groundbounce is discussed. The model of groundbounce is detailed to include layout and package parameters, in order to more accurately calculate the effective inductance value to be used for predictions. The results presented correspond to groundbounce voltages measured in one test chip mounted on a PGA package
The paper is intended for newcomers as a roadmap to the more important list of concepts of the Wi... more The paper is intended for newcomers as a roadmap to the more important list of concepts of the Wireless Communications area and surveys, with a bird's eye view, the vast area of wireless communication systems and the developments that led to 3G Wireless standards such as UMTS and IMT2000, the latest multi-nationally negotiated 3G standard. Due to the span of the area and the size of this paper, the paper does not go into any depth of a particular subject, but rather organizes the most relevant topics in Wireless Applications, to serve as a guide to delve into more depth, in a logical manner, into the various subjects as could be presented in an undergraduate/graduate course on Wireless Communications systems. The topics were selected from a review of a representative selection of recent textbooks and articles, written by workers / researchers in the field of Wireless Communication Technologies, from academia and industry (1-41). We first present the types of applications and se...
International Conference on Electronics, Communications, and Computers, 2004
The paper introduces a novel software program for the design of photovoltaic systems called Tlahu... more The paper introduces a novel software program for the design of photovoltaic systems called Tlahuilli-ce™ (tlahuilli=light, ce=1 in Nahuatl language). In comparison to existing programs, it permits an easier access to known algorithms for photovoltaic system design. At the same time, it is detailed enough at the feasibility and design dimensioning stage for autonomous or stand alone photovoltaic systems (pumping
The paper is intended for newcomers as a roadmap to the more important list of concepts of the wi... more The paper is intended for newcomers as a roadmap to the more important list of concepts of the wireless communications area and surveys, with a bird's eye view, the vast area of wireless communication systems and the developments that led to 3G wireless standards such as UMTS and IMT2000, the latest multinationally negotiated 3G standard. Due to the span of the area and the size of this paper, the paper by necessity does not go into any depth of subject, but rather organizes the most relevant topics in wireless applications, to serve as a guide to delve into more depth, in a logical manner, into the various subjects as could be presented in an undergraduate/graduate course on wireless communications systems. The topics were selected from a review of a representative selection of recent textbooks and articles, written by workers/researchers in the field of wireless communication technologies, from academia and industry. We first present the types of applications and services available over IMT-2000, and the most important organizations involved in the wireless standards evolution from 1G to 3G systems. Other topics which are "overflows" are the issue of wireless capacity and ways to resolve its scarcity, from access methods to network intelligence, key enabling technologies for the design of 3G/4G systems, wireless network architecture of various sizes from PAN (personal area networks) to WAN (wide area networks), and the issue of network interworking. Indeed, interworking of various wireless networks standards and topologies to provide a full set of features such as broadband, adaptable or reconfigurable, all-IP connectivity, to form an ad-hoc wireless network will be at the heart of the B3G/4G systems.
IEEE Circuits & Devices, 2004
S ince 1959, when Richard Feynman first imagined the construction of things from atom assembly , ... more S ince 1959, when Richard Feynman first imagined the construction of things from atom assembly , nanotechnology research has been active [2]- with the hope of creating natural or artificial entities measuring less than 100 nm, which lie at the crossroads of electronics, biology, chemistry, physics, molecular manufacturing, materials engineering, biology and bioengineering ( ). Considerable efforts and money [5], are being directed towards the development of enabling technologies, such as the integration of down-and bottomup design and manufacturing technologies are used in integrated circuit (IC) fabrication, miniaturization by scaling of devices and lines in hard lithography, while bottom-up assembly technologies aim to create new materials through innovative atom and molecule assembly through molecular manufacturing techniques . This bottom-up, self-assembly aproach has two current interpretations: the self-assembly by self-replication akin to DNA-guided multiplication of cells in biological systems and the chemical self-assembly of molecules in an aqueous solution. Chemical selfassembly produces small molecules by arrangement of atoms through (random) bumping of molecules in the solution. This method produces small bio-polymers and crystals but does not scale up well to form larger molecules such as DNA, RNA, proteins, antigens and antibodies. This approach is based on the use and mechanization [58] of soft-lithography-or creation through biotechnology of new materials, miniaturization of instrumentation, better information technology, computer modeling and other enabling technologies. Ideally, these new materials and technologies should be used to improve the human condition in a variety of applications, such as better energy delivery methods, sustainable energy systems, eco-efficient materials [51] and specific drug design and delivery methods. For example, the low efficiency of solar cells is being studied at the molecular level to try to understand the mechanisms of quantum solar energy at work in solar cells that cause efficiency degradation over time to compensate for it . Biotechnology applications, such as medical implants of organic materials, cancer treatment by direct targeting of medicine (see ) that can navigate and detect the bad cells to destroy them, genetic therapies stemming from a better understanding of the human genome, and new organically synthesized bone materials are other promising areas of research and applications for nanotechnology. Other technologies include intelligent textiles, transgenically grown food free from disease, and other information technology, telecom, and transportation applications[7], as well as bio-sensors designed for defense purposes [50]. In a cross-disciplinary research effort, such as nanotechnology is useful to communicate the information and research efforts to form a conceptual mental map of the state-of-the-art R&D in nanotechnology today , .
The pattern concept has been a very useful tool both for teaching and designing systems in archit... more The pattern concept has been a very useful tool both for teaching and designing systems in architecture, software programming, management and in telecommunications. However, until now, no work had been done in the field of digital communication systems design. This paper proposes a set of patterns for digital modulation design and summarizes a pioneering university degree thesis project on this topic . First, we introduce the reader to the pattern concept. Then we give some motivation for the use of patterns, and finally the proposed patterns for modulation are briefly explained, and an application example is given.
Page 1. A Bird´s Eye View of Materials and Manufacturing Processes for Photovoltaic Cells Oscar B... more Page 1. A Bird´s Eye View of Materials and Manufacturing Processes for Photovoltaic Cells Oscar Barragán Cruz, Liliana Díaz Olavarrieta Fundación Universidad de las Américas Puebla, Dept. of Electrical Engineering - CENTIA em114065@mail.udlap.mx, ldiaz@mail.udlap.mx ...
IEEE 1991 International Symposium on Electromagnetic Compatibility
Groundbounce is the noise produced by simultaneous switching of drivers in an ASIC, due to excess... more Groundbounce is the noise produced by simultaneous switching of drivers in an ASIC, due to excessive current drawn from the power supply at the time of switching. This noise may cause delay and false triggering problems at the functional level, as well as emissions problems due to the fast rise time and amplitude of current spikes induced. Test results which
Fieldbus Systems and Their Applications 2005, 2006
Abstract Automotive electronic subsystems are resource constrained, heterogeneous, distributed, r... more Abstract Automotive electronic subsystems are resource constrained, heterogeneous, distributed, real-time systems, and may implement safety-critical, X-by-wire applications, requiring fault-tolerance. Specifying requirements for an automotive application is a decision ...
Groundbounce is the noise produced by simultaneous switching of drivers in an ASIC, due to excess... more Groundbounce is the noise produced by simultaneous switching of drivers in an ASIC, due to excessive current drawn from the power supply at the time of switching. This noise may cause delay and false triggering problems at the functional level, as well as emissions problems due to the fast rise time and amplitude of current spikes induced. Test results which attest to the seriousness of the groundbounce problem in large ASICs are presented. The importance of the positioning of switching drivers as a factor in reducing groundbounce is discussed. The model of groundbounce is detailed to include layout and package parameters, in order to more accurately calculate the effective inductance value to be used for predictions. The results presented correspond to groundbounce voltages measured in one test chip mounted on a PGA package
The paper is intended for newcomers as a roadmap to the more important list of concepts of the Wi... more The paper is intended for newcomers as a roadmap to the more important list of concepts of the Wireless Communications area and surveys, with a bird's eye view, the vast area of wireless communication systems and the developments that led to 3G Wireless standards such as UMTS and IMT2000, the latest multi-nationally negotiated 3G standard. Due to the span of the area and the size of this paper, the paper does not go into any depth of a particular subject, but rather organizes the most relevant topics in Wireless Applications, to serve as a guide to delve into more depth, in a logical manner, into the various subjects as could be presented in an undergraduate/graduate course on Wireless Communications systems. The topics were selected from a review of a representative selection of recent textbooks and articles, written by workers / researchers in the field of Wireless Communication Technologies, from academia and industry (1-41). We first present the types of applications and se...
International Conference on Electronics, Communications, and Computers, 2004
The paper introduces a novel software program for the design of photovoltaic systems called Tlahu... more The paper introduces a novel software program for the design of photovoltaic systems called Tlahuilli-ce™ (tlahuilli=light, ce=1 in Nahuatl language). In comparison to existing programs, it permits an easier access to known algorithms for photovoltaic system design. At the same time, it is detailed enough at the feasibility and design dimensioning stage for autonomous or stand alone photovoltaic systems (pumping
The paper is intended for newcomers as a roadmap to the more important list of concepts of the wi... more The paper is intended for newcomers as a roadmap to the more important list of concepts of the wireless communications area and surveys, with a bird's eye view, the vast area of wireless communication systems and the developments that led to 3G wireless standards such as UMTS and IMT2000, the latest multinationally negotiated 3G standard. Due to the span of the area and the size of this paper, the paper by necessity does not go into any depth of subject, but rather organizes the most relevant topics in wireless applications, to serve as a guide to delve into more depth, in a logical manner, into the various subjects as could be presented in an undergraduate/graduate course on wireless communications systems. The topics were selected from a review of a representative selection of recent textbooks and articles, written by workers/researchers in the field of wireless communication technologies, from academia and industry. We first present the types of applications and services available over IMT-2000, and the most important organizations involved in the wireless standards evolution from 1G to 3G systems. Other topics which are "overflows" are the issue of wireless capacity and ways to resolve its scarcity, from access methods to network intelligence, key enabling technologies for the design of 3G/4G systems, wireless network architecture of various sizes from PAN (personal area networks) to WAN (wide area networks), and the issue of network interworking. Indeed, interworking of various wireless networks standards and topologies to provide a full set of features such as broadband, adaptable or reconfigurable, all-IP connectivity, to form an ad-hoc wireless network will be at the heart of the B3G/4G systems.
IEEE Circuits & Devices, 2004
S ince 1959, when Richard Feynman first imagined the construction of things from atom assembly , ... more S ince 1959, when Richard Feynman first imagined the construction of things from atom assembly , nanotechnology research has been active [2]- with the hope of creating natural or artificial entities measuring less than 100 nm, which lie at the crossroads of electronics, biology, chemistry, physics, molecular manufacturing, materials engineering, biology and bioengineering ( ). Considerable efforts and money [5], are being directed towards the development of enabling technologies, such as the integration of down-and bottomup design and manufacturing technologies are used in integrated circuit (IC) fabrication, miniaturization by scaling of devices and lines in hard lithography, while bottom-up assembly technologies aim to create new materials through innovative atom and molecule assembly through molecular manufacturing techniques . This bottom-up, self-assembly aproach has two current interpretations: the self-assembly by self-replication akin to DNA-guided multiplication of cells in biological systems and the chemical self-assembly of molecules in an aqueous solution. Chemical selfassembly produces small molecules by arrangement of atoms through (random) bumping of molecules in the solution. This method produces small bio-polymers and crystals but does not scale up well to form larger molecules such as DNA, RNA, proteins, antigens and antibodies. This approach is based on the use and mechanization [58] of soft-lithography-or creation through biotechnology of new materials, miniaturization of instrumentation, better information technology, computer modeling and other enabling technologies. Ideally, these new materials and technologies should be used to improve the human condition in a variety of applications, such as better energy delivery methods, sustainable energy systems, eco-efficient materials [51] and specific drug design and delivery methods. For example, the low efficiency of solar cells is being studied at the molecular level to try to understand the mechanisms of quantum solar energy at work in solar cells that cause efficiency degradation over time to compensate for it . Biotechnology applications, such as medical implants of organic materials, cancer treatment by direct targeting of medicine (see ) that can navigate and detect the bad cells to destroy them, genetic therapies stemming from a better understanding of the human genome, and new organically synthesized bone materials are other promising areas of research and applications for nanotechnology. Other technologies include intelligent textiles, transgenically grown food free from disease, and other information technology, telecom, and transportation applications[7], as well as bio-sensors designed for defense purposes [50]. In a cross-disciplinary research effort, such as nanotechnology is useful to communicate the information and research efforts to form a conceptual mental map of the state-of-the-art R&D in nanotechnology today , .
The pattern concept has been a very useful tool both for teaching and designing systems in archit... more The pattern concept has been a very useful tool both for teaching and designing systems in architecture, software programming, management and in telecommunications. However, until now, no work had been done in the field of digital communication systems design. This paper proposes a set of patterns for digital modulation design and summarizes a pioneering university degree thesis project on this topic . First, we introduce the reader to the pattern concept. Then we give some motivation for the use of patterns, and finally the proposed patterns for modulation are briefly explained, and an application example is given.
Page 1. A Bird´s Eye View of Materials and Manufacturing Processes for Photovoltaic Cells Oscar B... more Page 1. A Bird´s Eye View of Materials and Manufacturing Processes for Photovoltaic Cells Oscar Barragán Cruz, Liliana Díaz Olavarrieta Fundación Universidad de las Américas Puebla, Dept. of Electrical Engineering - CENTIA em114065@mail.udlap.mx, ldiaz@mail.udlap.mx ...