Wireless Technologies for Mobile Computing and Commerce

2009 ◽  
pp. 173-179
Author(s):  
David Wright
Keyword(s):  
Mobile Computing ◽  
New Technologies ◽  
Base Stations ◽  
Wifi Networks ◽  
Municipal Governments ◽  
Wireless Technologies ◽  
Community Associations ◽  
Data Rates ◽  
Business Analysis ◽  
British Telecom

At the time of writing (1Q06) most countries have a small number (2-6) of major cellular operators offering competing 2.5G and 3G cellular services. In addition, there is a much larger number of operators of WiFi networks. In some cases, a major cellular operator, for example, Deutsche Telekomm and British Telecom, also offers a WiFi service. In other cases, WiFi services are provided by a proliferation of smaller network operators, such as restaurants, laundromats, airports, railways, community associations and municipal governments. Many organizations offer WiFi free of charge as a hospitality service, for example, restaurants. Cellular services offer ubiquitous, low data rate communications for mobile computing and commerce, whereas WiFi offers higher data rates, but less ubiquitous coverage, with limitations on mobility due to business as opposed to technology reasons. Emerging networks for mobile computing and commerce include WiMAX and WiMobile (Wright, 2006), which offer higher data rates, lower costs and city-wide coverage with handoff of calls among multiple base stations. These new technologies may be deployed by the organizations that currently deploy cellular and WiFi networks, and also may give rise to a new group of competitive wireless network operators. This article identifies the capabilities needed for mobile computing and commerce and assesses their technology and business implications. It identifies developments in the wireless networks that can be used for mobile computing and commerce, together with the services that can be provided over such networks. It provides a business analysis indicating which network operators can profitably deploy new networks, and which network operators need to establish business and technology links with each other so as to better serve their customers. The resulting range of next generation service, technologies and network operators available for mobile computing and commerce is identified.

Wireless Technologies for Mobile Computing and Commerce

2009 ◽  
pp. 1175-1182
Author(s):  
David Wright
Keyword(s):  
Mobile Computing ◽  
New Technologies ◽  
Base Stations ◽  
Wifi Networks ◽  
Municipal Governments ◽  
Wireless Technologies ◽  
Community Associations ◽  
Data Rates ◽  
Business Analysis ◽  
British Telecom

At the time of writing (1Q06) most countries have a small number (2-6) of major cellular operators offering competing 2.5G and 3G cellular services. In addition, there is a much larger number of operators of WiFi networks. In some cases, a major cellular operator, for example, Deutsche Telekomm and British Telecom, also offers a WiFi service. In other cases, WiFi services are provided by a proliferation of smaller network operators, such as restaurants, laundromats, airports, railways, community associations and municipal governments. Many organizations offer WiFi free of charge as a hospitality service, for example, restaurants. Cellular services offer ubiquitous, low data rate communications for mobile computing and commerce, whereas WiFi offers higher data rates, but less ubiquitous coverage, with limitations on mobility due to business as opposed to technology reasons. Emerging networks for mobile computing and commerce include WiMAX and WiMobile (Wright, 2006), which offer higher data rates, lower costs and city-wide coverage with handoff of calls among multiple base stations. These new technologies may be deployed by the organizations that currently deploy cellular and WiFi networks, and also may give rise to a new group of competitive wireless network operators. This article identifies the capabilities needed for mobile computing and commerce and assesses their technology and business implications. It identifies developments in the wireless networks that can be used for mobile computing and commerce, together with the services that can be provided over such networks. It provides a business analysis indicating which network operators can profitably deploy new networks, and which network operators need to establish business and technology links with each other so as to better serve their customers. The resulting range of next generation service, technologies and network operators available for mobile computing and commerce is identified.

Wireless Technologies for Mobile Computing and Commerce

2007 ◽  
pp. 1038-1042
Author(s):  
D. Wright
Keyword(s):  
Wireless Networks ◽  
Mobile Computing ◽  
Next Generation ◽  
Wireless Technologies ◽  
Business Analysis

This article identifies the capabilities needed for mobile computing and commerce and assesses their technology and business implications. It identifies developments in the wireless networks that can be used for mobile computing and commerce, together with the services that can be provided over such networks. It provides a business analysis indicating which network operators can profitably deploy new networks, and which network operators need to establish business and technology links with each other so as to better serve their customers. The resulting range of next generation service, technologies and network operators available for mobile computing and commerce is identified.

DEVELOPMENT OF VALUATION METHOD OF THE STATUS OF BASE STATIONS FOR DETERMINING THE NEED OF THEIR UPGRADING

2017 ◽  
pp. 60-70
Author(s):  
Natalya Ivanovna Shaposhnikova ◽  
Alexander Aleksandrovich Sorokin
Keyword(s):  
Decision Making ◽  
Fuzzy Sets ◽  
Cellular Network ◽  
New Technologies ◽  
Base Station ◽  
Base Stations ◽  
Valuation Method ◽  
The Status ◽  
Telecommunications Services ◽  
Theory Of Fuzzy Sets

The article consideres the problems of determining the need to modernize the base stations of the cellular network based on the mathematical apparatus of the theory of fuzzy sets. To improve the quality of telecommunications services the operators should send significant funding for upgrading the equipment of base stations. Modernization can improve and extend the functions of base stations to provide cellular communication, increase the reliability of the base station in operation and the functionality of its individual elements, and reduce the cost of maintenance and repair when working on a cellular network. The complexity in collecting information about the equipment condition is determined by a large number of factors that affect its operation, as well as the imperfection of obtaining and processing the information received. For a comprehensive assessment of the need for modernization, it is necessary to take into account a number of indicators. In the structure of indicators of the need for modernization, there were introduced the parameters reflecting both the degree of aging and obsolescence(the technical gap and the backlog in connection with the emergence of new technologies and standards). In the process of a problem solving, the basic stages of decision-making on modernization have been allocated. Decision-making on the need for modernization is based not only on measuring information that takes into account the decision-makers, but also on linguistic and verbal information. Therefore, to determine the need for upgrading the base stations, the theory of fuzzy sets is used, with the help of which experts can be attracted to this issue. They will be able to formulate additional fuzzy judgments that help to take into account not only measuring characteristics, but also poorly formalized fuzzy information. To do this, the main indicators of the modernization need have been defined, and fuzzy estimates of the need for modernization for all indicators and a set of indicators reflecting the need for upgrading the base stations have been formulated.

Wireless technologies and policies for connecting rural areas in emerging countries: a case study in rural Peru

2018 ◽  
Vol 20 (5) ◽  
pp. 479-511 ◽  
Author(s):  
David Espinoza ◽  
David Reed
Keyword(s):  
Cost Analysis ◽  
Digital Divide ◽  
Rural Areas ◽  
Service Providers ◽  
Emerging Countries ◽  
Base Stations ◽  
Wireless Technologies ◽  
Content Type ◽  
Broadband Services ◽  
Engineering Cost

Purpose This paper aims to compare the costs of deploying different wireless terrestrial broadband technologies in the Andes and Amazon Regions of Peru. These areas are representatives of different and challenging geographic regions throughout the globe that currently are severely underserved or unserved for vital broadband services necessary to bridge the “Digital Divide”. Design/methodology/approach The broadband technologies studied include Wi-Fi, Worldwide Interoperability for Microwave Access (WiMAX), long term evolution (LTE), TVWS and new stratospheric platforms (super-pressure balloons). This study conducts a technical analysis (design and simulation) of wireless broadband networks, and a bottom-up engineering cost analysis to estimate and compare the deployment and operating costs of the networks over a 10-year period. The analysis also identifies potential regulatory barriers to deployment associated with spectrum allocation licenses and overbooking requirements intended to improve quality of service. Findings Comparison of the capital and operating expenses of these options over a 10-year period finds that LTE and Wi-Fi can be the lowest cost alternatives, though significantly, stratospheric balloons have the lowest initial costs for the first few years and can factor as a low-cost broadband catalyst early in deployment. Finally, the lowest cost technology broadband roadmap for the 10-year period is presented, which includes using stratospheric balloons (carrying micro-LTE base stations) for the first years and deploying complementary terrestrial LTE networks for the rest of the 10-year period. Originality/value This study presents detailed technical and engineering cost analysis results of wireless access network deployments, including advanced wireless technologies and new unmanned aerial systems, to expand broadband services to rural areas in mountainous (Andes Region) and rainforest (Amazon Region) geographies to reduce the digital divide in emerging countries. Results aim to aid governments, regulators, internet service providers (incumbents and competitive) and content providers to assess current alternatives to expand broadband service in these rural areas.

Spectrum Handover Strategies for Cognitive Femtocell Networks

2012 ◽  
pp. 85-102 ◽  
Author(s):  
Saba Al-Rubaye ◽  
Anwer Al-Dulaimi ◽  
John Cosmas
Keyword(s):  
Base Stations ◽  
Handover Management ◽  
Spectrum Utilization ◽  
Femtocell Networks ◽  
Data Rates ◽  
Switching Unit ◽  
Geographical Cluster ◽  
Service Coordinator ◽  
Cognitive Femtocell

Cognitive femtocell is a promising technology for the next generation wireless networks to improve the efficiency of spectrum utilization, coverage, and to attain higher data rates for indoor communications. In this chapter, the new Cognitive Femtocell Switching Unit (CFSU) is proposed to support handover management for 10-20 cognitive femtocells as a local geographical cluster. Thus, CFSU acts as a service coordinator between femtocells and macrocell areas to improve spectrum utilization and coexistence. Then, the chapter presents solutions for spectrum handover to achieve guaranteed quality of radio service, spectrum utilization, and enable an excellent local handover management to reduce unnecessary handovers between femtocell base stations. The challenges and solutions that are presented in this chapter have the ability to maintain services by evaluating the requested quality of services.

Wireless Technologies for Mobile Computing

2011 ◽  
pp. 114-129
Author(s):  
Biju Issac ◽  
C. E. Tan
Keyword(s):  
Ad Hoc Networks ◽  
Mobile Computing ◽  
Ad Hoc ◽  
User Preferences ◽  
Radio Propagation ◽  
Wireless Technologies ◽  
Security Issues ◽  
802.11 Networks ◽  
Hoc Networks ◽  
The Way

Mobility and computing were two concepts that never met a decade or two ago. But with the advent of new wireless technologies using radio propagation, the impossible is now becoming possible. Though there are many challenges to be overcome in terms of improving the bandwidth and security as with a wired network, the developments are quite encouraging. It would definitely dictate the way we do transactions in future. This chapter briefly explores some popular wireless technologies that aid in mobile computing, like 802.11 networks, Bluetooth networks, and HomeRF networks. Under 802.11 networks, we investigate the details of both infrastructure and ad hoc networks and its operations. The reader is thus made aware of these technologies briefly along with their performance, throughput, and security issues, which finally concludes with user preferences of these technologies.

scholarly journals Gateway Selection in Millimeter Wave UAV Wireless Networks Using Multi-Player Multi-Armed Bandit

Sensors ◽  
2020 ◽  
Vol 20 (14) ◽  
pp. 3947
Author(s):  
Ehab Mahmoud Mohamed ◽  
Sherief Hashima ◽  
Abdallah Aldosary ◽  
Kohei Hatano ◽  
Mahmoud Ahmed Abdelghany
Keyword(s):  
Millimeter Wave ◽  
Base Stations ◽  
Superior Performance ◽  
Total System ◽  
Average Data ◽  
Data Rates ◽  
Terrestrial Network ◽  
Upper Confidence Bound ◽  
Selection Algorithms ◽  
Post Disaster

Recently, unmanned aerial vehicle (UAV)-based communications gained a lot of attention due to their numerous applications, especially in rescue services in post-disaster areas where the terrestrial network is wholly malfunctioned. Multiple access/gateway UAVs are distributed to fully cover the post-disaster area as flying base stations to provide communication coverage, collect valuable information, disseminate essential instructions, etc. The access UAVs after gathering/broadcasting the necessary information should select and fly towards one of the surrounding gateways for relaying their information. In this paper, the gateway UAV selection problem is addressed. The main aim is to maximize the long-term average data rates of the UAVs relays while minimizing the flights’ battery cost, where millimeter wave links, i.e., using 30~300 GHz band, employing antenna beamforming, are used for backhauling. A tool of machine learning (ML) is exploited to address the problem as a budget-constrained multi-player multi-armed bandit (MAB) problem. In this setup, access UAVs act as the players, and the arms are the gateway UAVs, while the rewards are the average data rates of the constructed relays constrained by the battery cost of the access UAV flights. In this decentralized setting, where information is neither prior available nor exchanged among UAVs, a selfish and concurrent multi-player MAB strategy is suggested. Towards this end, three battery-aware MAB (BA-MAB) algorithms, namely upper confidence bound (UCB), Thompson sampling (TS), and the exponential weight algorithm for exploration and exploitation (EXP3), are proposed to realize gateways selection efficiently. The proposed BA-MAB-based gateway UAV selection algorithms show superior performance over approaches based on near and random selections in terms of total system rate and energy efficiency.

scholarly journals Reducing the Frequent Switch Over between the Base Stations through Continuous Analysis of Signal Strength

2018 ◽  
Vol 7 (1) ◽  
pp. 99-103
Author(s):  
M. R. Regitha ◽  
Varghese Paul
Keyword(s):  
Quality Of Service ◽  
Cellular Networks ◽  
Mobile Networks ◽  
New Technologies ◽  
Mobile Station ◽  
Movement Pattern ◽  
Signal Strength ◽  
Base Stations ◽  
Continuous Analysis

As the increase in the number of mobiles and mobile networks, the existing standards and technologies face several issues and challenges. In the mobility management of cellular networks, HO is the important parameter on which these issues and challenges affect drastically. Several research papers have proposed many ideas and schemes to reduce HO latency. As the increase in the number new technologies and networks, the existing ideas are no longer supported efficiently. So a continuous analysis on handover (HO) procedure is required. Signal strength (SS) and quality of service (QoS) are measured at particular time intervals in cellular networks. Results show that the highest value of signal strength has the best quality of service. In this paper, a continuous analysis on signal strength received by the mobile station (MS) is used to monitor the HO process to reduce the HO delay. In this analysis, the parameters user movement pattern, topological position, signal strength and time are used which will be helpful to forecast the HO in advance. Using HO forecast minimum number of frequent switch over between the base stations (BSs) reduces the HO latency in mobile networks.

scholarly journals University Education for People with Intellectual Disabilities. Evaluation of a Training Experience in Spain

Disabilities ◽  
2021 ◽  
Vol 1 (4) ◽  
pp. 388-405
Author(s):  
Rosa M. Díaz-Jiménez ◽  
Teresa Terrón-Caro ◽  
M. Dolores Yerga-Míguez
Keyword(s):  
Intellectual Disabilities ◽  
New Technologies ◽  
Radical Change ◽  
Training Programme ◽  
Training System ◽  
University Education ◽  
Training Experience ◽  
Community Associations ◽  
People With Intellectual Disabilities ◽  
The University

Despite the substantial increase in the access of people with disabilities to higher education, university institutions continue to be an exclusive environment for people with intellectual disabilities. This paper aims to present a training programme for the employment and university inclusion of young people with intellectual disabilities at the Pablo de Olavide University in Seville, Spain, under the title “Training for the employment and autonomous life of people with intellectual disabilities”, which was launched in the academic year 2017–2018 and has already completed four editions. The programme includes a hybrid training system with specific university training oriented towards employment and autonomy together with inclusive training in subjects of various university degrees. The training is provided by interdisciplinary university lecturers together with support staff specialised in intervention with people with intellectual disabilities who come from experienced community associations. Other components of the experience include internships in companies, individualised academic tutoring of students, family accompaniment, and community inclusion with the use of the university residence as accommodation. Cognitive accessibility and new technologies are not lacking as supports in the process. This work shows the assessment of the fundamental actors of this experience during the four years of its development, and as a conclusion, it shows a high overall satisfaction with the programme and the radical change observed in the lives of people with intellectual disabilities after their time at the university.

Social Context for Mobile Computing Device Adoption and Diffusion

2009 ◽  
pp. 472-486
Author(s):  
Andrew P. Ciganek ◽  
K. Ramamurthy
Keyword(s):  
Social Context ◽  
Mobile Computing ◽  
Technological Innovation ◽  
New Technologies ◽  
Academic Research ◽  
Large Body ◽  
Innovative Technology ◽  
The Social ◽  
Adoption And Diffusion ◽  
And Diffusion

The purpose of this chapter is to explore and suggest how perceptions of the social context of an organization moderate the usage of an innovative technology. We propose a research model that is strongly grounded in theory and offer a number of associated propositions that can be used to investigate adoption and diffusion of mobile computing devices for business-to-business (B2B) interactions (including transactions and other informational exchanges). Mobile computing devices for B2B are treated as a technological innovation. An extension of existing adoption and diffusion models by considering the social contextual factors is necessary and appropriate in light of the fact that various aspects of the social context have been generally cited to be important in the introduction of new technologies. In particular, a micro-level analysis of this phenomenon for the introduction of new technologies is not common. Since the technological innovation that is considered here is very much in its nascent stages there may not as yet be a large body of users in a B2B context. Therefore, this provides a rich opportunity to conduct academic research. We expect this chapter to sow the seeds for extensive empirical research in the future.

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