Raúl Aquino Santos

Raúl Aquino Santos
Universidad de Colima · Faculty of Telematic

About

99
Publications
15,585
Reads
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625
Citations
Citations since 2016
9 Research Items
305 Citations
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201620172018201920202021202201020304050
201620172018201920202021202201020304050
201620172018201920202021202201020304050
Introduction

Publications

Publications (99)
Conference Paper
This paper presents a 3D video game project that incorporates smell generated by an olfactory display (an ultrasonic humidifier and a PC fan) controlled by fuzzy logic. In order to improve the olfactory display efficiency, we apply Edge computing by running the fuzzy logic control software on the microcontroller itself and not on the video game com...
Conference Paper
Olfactory displays (human-computer interfaces that generate and diffuse odors to a user with a purpose) have been researched to complement or supplement other human sensory modalities, as well as using odors as effective sensory stimuli. We developed an olfactory display with a commonly-used microcontroller board and off-the-shelf components. A cha...
Article
Full-text available
The scarcity and the growing need of water resources is one of humanity's most critical problems. Urban development, climate change, population growth, water pollution and changes in consumption patterns have contributed to an imbalance between the availability of quality sources and the demand for water. The uncontrolled or disproportionate irriga...
Article
Full-text available
(Published in The AMSAT Journal, July/August 2021 Issue.) Most radio amateurs interested in satellite communications start with satellites that broadcast on FM because the radio equipment and antennas are the least expensive and the easiest to obtain. As most of you know, making communications via satellite is not as complicated as many people thi...
Article
Full-text available
Urban flooding is one of the major issues in many parts of the world, and its management is often challenging. One of the challenges highlighted by the hydrology and related communities is the need for more open data and monitoring of floods in space and time. In this paper, we present the development phases and experiments of an Internet of Things...
Article
Full-text available
In radio experimentation, it is possible to make contacts using Low Orbit Satellites (LEO), but some concerns are the high cost of antennas, low loss coaxial, pre- amplifiers, azimuth and elevation rotors, as well as a VHF/UHF multimode transceiver. For those who want to start experimenting with satellite communications with a low budget, one thing...
Article
Long-Term Evolution (LTE) technology has several features that make it an attractive alternative to be used in vehicle-to-infrastructure communications for intelligent transportation systems. However, before LTE can be widely used in this context, a number of analyses must provide convincing evidence that critical network functions (e.g. resource a...
Article
Full-text available
This article discusses the simulation and evaluation of a traffic congestion detection system which combines inter-vehicular communications, fixed roadside infrastructure and infrastructure-to-infrastructure connectivity and big data. The system discussed in this article permits drivers to identify traffic congestion and change their routes accordi...
Conference Paper
Full-text available
Olfactory displays (digital interfaces that generate and diffuse smells to a user with a purpose) have been proposed and researched to support the user experience (UX) of video game players. These emerging human-computer interfaces have great potential for stimulating players' mood, helping immerse them in video game scenarios, and supporting other...
Article
Full-text available
This paper presents a system based on WSN technology capable of monitoring heart rate and the rate of motion of seniors within their homes. The system is capable of remotely alerting specialists, caretakers or family members via a smartphone of rapid physiological changes due to falls, tachycardia or bradycardia. This work was carried out using our...
Article
Full-text available
This paper presents a system based on WSN technology capable of monitoring heart rate and the rate of motion of seniors within their homes. The system is capable of remotely alerting specialists, caretakers or family members via a smartphone of rapid physiological changes due to falls, tachycardia or bradycardia. This work was carried out using our...
Chapter
In this chapter, an intelligent scheduling architecture is presented for the downlink transmission of LTE-Advanced networks to enhance the Quality of Service (QoS) provision to different traffic types while maintaining system level performance such as system throughput and fairness. Hebbian learning process and K-mean clustering algorithm are integ...
Chapter
Full-text available
Este capítulo describela situación actual de México con respecto a la lectura y cómo puede apoyarse el fomento a la lectura de narra- tiva utilizando ambientes de realidad virtual, pues la mayor parte de la población lee muy poco, en especial narrativa. Por tanto, es necesario incrementar este tipo de lectura, ya que ésta puede mo- tivar a seguir a...
Article
Full-text available
This paper introduces wireless sensor networks for Ambient Assisted Living as a proof of concept. Our workgroup has developed an arrhythmia detection algorithm that we evaluate in a closed space using a wireless sensor network to relay the information collected to where the information can be registered, monitored and analyzed to support medical de...
Article
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Domotic: Existing home automation technologies permit persons to control elements of the home using a computer connected to a local network. However, the real challenge is to remotely control objects, permitting users to exercise greater freedom and versatility. This work presents an inexpensive controller device developed for high density construc...
Chapter
Full-text available
Millions of driving accidents occur worldwide each year causing more than a million fatalities. Although traditional safety measures are largely reactive in nature, the application of wireless technologies has become much more common, thus promoting proactive strategies to save lives. This article presents the development and evaluation of usabilit...
Chapter
Mobile robots and Wireless Sensor Networks (WSNs) are enabling technologies of ubiquitous and pervasive applications. Surveillance is one typical example of such applications for which the literature proposes several solutions using mobile robots and/or WSNs. However, robotics and WSNs have mostly been considered as separate research fields, and li...
Chapter
Sensor-based localization has been found to be one of the most preliminary issues in the world of Mobile/Wireless Robotics. One can easily track a mobile robot using a Kalman Filter, which uses a Phase Locked Loop for tracing via averaging the values. Tracking has now become very easy, but one wants to proceed to navigation. The reason behind this...
Chapter
This chapter presents a theoretical and experimental comparison of electromagnetic propagation models for indoor robot communication using mobile ad-hoc IEEE802.11 and IEEE802.15.4. The analysis includes the behavior of the electromagnetic signal using the abovementioned standards in two scenarios, both located inside the building of the College of...
Chapter
Accurate path following is an important mobile robot research topic. In many cases, radio controlled robots are not able to work properly due to the lack of a good communication system. This problem can cause many difficulties when robot positioning is regarded. In this context, gaining automatic abilities becomes essential to achieving a major num...
Chapter
This chapter describes a Mechatronics Design methodology applied to the design of a mobile robot to climb vertical surfaces. The first part of this chapter reviews different ways to adhere to vertical surfaces and shows some examples developed by different research groups. The second part presents the stages of Mechatronics design methodology used...
Chapter
This chapter presents a virtual environment implementation for embedded design, simulation, and conception of supervision and control systems for mobile robots, which are capable of operating and adapting to different environments and conditions. The purpose of this virtual system is to facilitate the development of embedded architecture systems, e...
Chapter
Driven by the rising demand for underwater operations concerning dam structure monitoring, Hydropower Plant (HPP), reservoir, and lake ecosystem inspection, and mining and oil exploration, underwater robotics applications are increasing rapidly. The increase in exploration, prospecting, monitoring, and security in lakes, rivers, and the sea in comm...
Chapter
Unlike most chapters in this book, this chapter does not introduce new methods or algorithms related to robotic navigation systems. Instead, it provides an overview of a simulation tool that, in some situations, can be useful for quickly evaluating the overall appropriateness of a wide variety of alternatives before focusing more advanced developme...
Chapter
Using a Single-Human Multiple-Robot System (SHMRS) to deploy rescue robots in Urban Search and Rescue (USAR) can induce high levels of cognitive workload and poor situation awareness. Yet, the provision of autonomous coordination between robots to alleviate cognitive workload and promote situation awareness must be made with careful management of l...
Chapter
The chapter describes the stages of an autonomous mobile robot project, in this case, an underwater cleaning robot. First, the authors analyze the products already available for costumers, mainly focusing on the tasks they can perform (instead of the systems they use), in order to define the requirements of their project. Then, they build some mode...
Chapter
In this chapter, the design of a completely decentralized and distributed multi-robot localization algorithm is presented. The issue is approached using an Interlaced Extended Kalman Filter (IEKF) algorithm. The proposed solution allows the dynamic correction of the position computed by any single robot through information shared during the random...
Chapter
This chapter presents the development and implementation of three approaches that contribute to solving the mobile robot path planning problems in dynamic and static environments. The algorithms include some items regarding the implementation of on-line and off-line situations in an environment with static and mobile obstacles. A first technique in...
Chapter
Robotic navigation applies to multiple disciplines and industrial environments. Coupled with the application of Artificial Intelligence (AI) with intelligent technologies, it has become significant in the field of cognitive robotics. The capacity of reaction of a robot in unexpected situations is one of the main qualities needed to function effecti...
Article
Full-text available
Vehicular Ad Hoc Networks (VANETs) are considered by car manufacturers and the research community as the enabling technology to radically improve the safety, efficiency and comfort of everyday driving. However, before VANET technology can fulfill all its expected potential, several difficulties must be addressed. One key issue arising when working...
Conference Paper
Paper Available on: https://ieeexplore.ieee.org/document/6320959 The increasing presence of ubiquitous computing and ambient intelligence in products and services is presently creating huge opportunities in a variety of different areas. To create a robust and reliable platform for complex distributed embedded systems like a smart home, we address...
Conference Paper
Full-text available
Olfactory displays (digital systems that generate and diffuse odors to a human user with a purpose and meaning) have been proposed and researched to support learning and training in a number of educational settings. According to recent research, this emerging type of human-computer interfaces has great potential for stimulating information recall,...
Article
This chapter proposes an open-service platform based on an IP metropolitan mesh network suitable for multimedia services in an all-IP network environment. To guarantee mobile applications in the metropolitan mesh network simulated, the authors evaluated the five most prominent mobile ad hoc network (MANET) routing algorithms: Ad hoc On Demand Dista...
Article
Location-Based Routing Algorithm with Cluster-Based Flooding (LORA-CBF) employs two location services: Simple and Reactive. A Simple Location Service has been implemented for neighbors nodes, and for faraway nodes, a Reactive Location Service is employed. In LORA-CBF, the source node includes the location of its destination in each packet. The pack...
Book
Inter-vehicle communication (IVC) systems based on wireless ad-hoc networks have the potential to provide increased automotive safety, to achieve smooth traffic flow on the roads, and to improve passenger convenience by providing information and entertainment. However, implementing IVC systems for widespread use also presents a number of technical...
Conference Paper
Full-text available
Multimodal user interfaces will play increasing important roles in future inter-vehicular applications, assisting drivers perform many common tasks more safely when operating vehicles driving within the range of inter-vehicular communications networks. Multisensory interfaces should, in the future, provide entertainment, comfort and security, while...
Article
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Wireless sensor networks are gaining greater attention from the research community and industrial professionals because these small pieces of "smart dust" offer great advantages due to their small size, low power consumption, easy integration and support for "green" applications. Green applications are considered a hot topic in intelligent environm...
Article
When several independent terminals need to access a limited resource, a Medium Access Control (MAC) protocol is needed in order to manage and assign the resource. If no type of protocol is considered, conflicts could occur if more than one terminal wants to access the resource at the same time. Therefore, this work reports the analysis of MAC proto...
Article
Full-text available
The topic of spectral shaping is of major interest in the design of time hopping (TH) impulse radio (IR) ultra wideband (UWB) communications systems. In this letter novel rate 1/2 “spectral line free” convolutional codes for binary phase shift keying (BPSK) and quaternary biorthogonal pulse position modulated (Q-BOPPM) TH-IR UWB systems are introdu...
Article
This chapter investigates whether an educational virtual environment can be developed to practice listening comprehension skills that meets second language student needs, complies with usability criteria, and is motivating to use. The chapter also investigates whether the usability of virtual reality(VR) technology positively affects language learn...
Chapter
Wireless technologies and devices are becoming increasingly ubiquitous in modern society. Wireless resources are natural and fixed, whereas wireless technologies and devices are increasing day-by-day, resulting in spectrum scarcity. As a consequence, efficient use of limited wireless resources has become an issue of vital importance in wireless sys...
Chapter
This chapter introduces the concept of connectivity and robustness of a mobile ad-hoc network as a function of the node density and coverage radius. It presents an elementary analytical model based on the spatial Poisson process to formulate the connectivity problem as the computation of the existence of wireless links forming paths obtained by Dij...
Chapter
WSNs can be applied in several areas for the monitoring and control of variables. In the design process of a WSN, one of the most important design objectives is to minimize the energy required for sensing, signal processing and communication tasks to extend the lifetime of the network. This chapter discusses a broad variety of schemes used to reduc...
Chapter
Mobile ad hoc networks (MANETs) have received tremendous attention in recent years because of their self-organization and self-maintenance capabilities. MANETs are networks that do not have an underlying fixed infrastructure. However, these networks tend to be vulnerable to a number of attacks. They don’t obey a centralized network management funct...
Chapter
This chapter addresses the relevance of location information as an important resource that supports other applications. This information is important for better network planning, development of new location-based services, fast deployment of assistance services, and support of surveillance and safety regulations, among others. Accuracy of location...
Chapter
Mobile ad hoc networks (MANETs) make use of a distributed routing mechanism to support connectivity between nodes within the ad hoc network. A wireless ad hoc network can be deployed for multiple applications, such as extending the coverage of wire based networks, where interworking is achieved via wireless access routers. However, the implementati...
Chapter
This chapter presents a novel wireless data acquisition system. The system has been designed to take advantage of inexpensive robotics systems like Lego NXT, which establishes a new paradigm in the wireless ad-hoc networks field. The system architecture can record data from different variables in greenhouse environments. These wireless systems empl...
Chapter
Process Control Systems (PCSs) or Supervisory Control and Data Acquisition (SCADA) systems have recently been added to the already wide collection of wireless sensor network applications. The PCS/ SCADA environment is somewhat more amenable to the use of heavy cryptographic mechanisms such as public key cryptography than other sensor application en...
Chapter
Small and medium-sized businesses (SMBs) in most world economies suffer from a series of intense economic pressures from local, regional and international markets. Although these problems are microeconomic to the small and medium-sized business, they are directly related to macro economic factors, particularly in the case of labor. One of the main...
Chapter
Address management is a critical network process, since any node wishing to join a network must first obtain an address. Network address management in a mobile ad-hoc network (MANET) is a particular challenge due to the unique operating conditions of such networks, their dynamic topology, and the events that take place inside them. This chapter pre...
Chapter
mHealth is a very attractive field for mobile applications developers, but it also involves new challenges that developers of programs intended for standard desktops do not usually face. Hence, the first part of this chapter is devoted to survey the development platforms and languages utilized to develop the associated applications of the mHealth s...
Chapter
Localization is a fundamental challenge of wireless sensor networks in many applications because a set of nodes must be aware of individual positions, based only on their own resources, i.e. without the aid of external agents. This problem has been tackled using different approaches that provide good solutions under specific circumstances. Neverthe...
Chapter
This chapter introduces basic needs of quality of Service (QoS) of RF ad hoc networks (mainly wireless), presents the main metrics of quality of service and the QoS effects on overall performance, and briefly discusses quality of service of wireless systems with respect to the upcoming new technologies like 3GPP LTE and the role of WLAN, while repr...
Chapter
Nowadays, wireless Body Area Networks (wBAN) have gained more relevance, in particular in the areas of health care, emergencies, ranging, location, domotics and entertainment applications. Regulations and several wireless protocols and standards have appeared in recent years. Some of them, like Bluetooth, ZigBee, Ultra Wide Band (UWB), ECMA368, WiF...
Chapter
Nowadays, the number of vehicles and the need for transportation is growing quickly. There are more vehicles on the roads driving more kilometers. The road networks in major cities are not sufficient to cater for the current traffic demands due to the size of roads available. As a result, the modern society is facing more traffic jams, higher fuel...
Chapter
Wireless mobile ad hoc networks are gaining importance because of their flexibility, mobility, and ability to work with a limited infrastructure. If the battery of a node is drained out, then it cannot communicate with other nodes and the number of dead nodes makes the network partition. In order to overcome the network partition problem, this chap...
Conference Paper
Full-text available
Teaching and learning are increasingly becoming intertwined with technology in many higher education institutions. Indeed, technology has become an all-encompassing fabric that facilitates the educational process and helps make our daily lives more fruitful. Educational technology is a fascinating field which has yet to be fully explored in English...
Chapter
Full-text available
Network intrusion (the unauthorized access to a computer system perpetrated by persons or a piece of software) is a major concern of network administrators. Carrying out network intrusion detection (NID) manually is a tiring, complex and time-consuming task, often overloading the visual sensory channel. To overcome this, real-time auditory alarms a...
Article
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This paper presents a performance analysis of an enhanced version of the Topological Multicast Routing Algorithm (ToMuRo) on mobile wireless ad‐hoc networks, which includes undecided border nodes. Employing undecided border nodes to forward multicast packets represents a significant enhancement because it optimizes the path discovery process by sel...
Article
Full-text available
This paper presents a performance analysis of source, shortest path, hierarchical and geographical routing strategies, which are the three most commonly, implemented strategies employed by wireless ad-hoc and sensor networks. Source routing was selected because it does not require costly topology maintenance, while shortest path routing was chosen...
Chapter
Full-text available
This chapter analyzes two prominent technologies, IEEE 802.11g (WiFi) and IEEE 802.16e (WiMAX), for single-hop inter-vehicular communication (SIVC). We begin our analysis by comparing the physical and MAC layers of both standards. Following this, we simulate two scenarios, one with IEEE 802.11g and the other with IEEE 802.16e, in a single-hop inter...
Chapter
Small and medium-sized businesses (SMBs) in most world economies suffer from a series of intense economic pressures from local, regional and international markets. Although these problems are microeconomic to the small and medium-sized business, they are directly related to macro economic factors, particularly in the case of labor. One of the main...
Article
Full-text available
This paper presents the measurements and analytical results regarding important characteristics of wireless propagation for vehicular ad–hoc networks in motorway environments, including Doppler Effect, Free Space Signal propagation, path loss and system operating margin. In this work, we employ IEEE 802.1 1b wireless cards for inter–vehicular commu...
Article
Full-text available
This paper presents the measurements and analytical results regarding important characteristics of wireless propagation for vehicular ad-hoc networks in motorway environments, including Doppler Effect, Free Space Signal propagation, path loss and system operating margin. In this work, we employ IEEE 802.1 1b wireless cards for inter-vehicular commu...
Conference Paper
Full-text available
Recent developments in Internet social networks include the use of Second Life (SL), a compelling and arguably addictive online virtual world, where millions of Internet users have been registered and contribute to it by developing and uploading graphical objects, buildings, images, etc. Its users can interact as virtual personifications called ava...
Article
Full-text available
With the appearance of wireless data networks with variable coverage, band width and handoff strategies, in addition to the growing need of mobile nodes to freely roam among these networks, the support of an interoperable handoff strategy for hybrid wireless data networks is a requirement that needs to be addressed. The current trend in wireless da...
Book
Full-text available
Este libro tiene el acierto de iniciar con las bases fundamentales del cómputo móvil y ubicuo para partir de ahí a un discurso integrador que incorpora casos reales de aplicación que, por un lado, dan evidencia de la magnitud e importancia de la disciplina, inspirando a estudiantes y profesionales de áreas afines.