scholarly journals Local 5G services on campus premises: scenarios for a make 5G or buy 5G decision

2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Venkatesh Kulkarni ◽  
Jaspreet Walia ◽  
Heikki Hämmäinen ◽  
Seppo Yrjölä ◽  
Marja Matinmikko-Blue ◽  
...  
Keyword(s):  
Mobile Network ◽  
Economic Assessment ◽  
Scenario Planning ◽  
Local Network ◽  
Future Scenarios ◽  
Local Spectrum ◽  
University Campus ◽  
End User ◽  
Content Type ◽  
User Data

Purpose The purpose of this paper is to build possible future scenarios for indoor connectivity in a venue such as a university campus and build alternative value network configurations (VNCs) defining different local network deployment options, focused on the Finnish telecom market. Design/methodology/approach In this paper, Schoemaker’s scenario planning method (Schoemaker, 1995) is used to construct future scenarios and the VNC method of Casey et al. (2010) is used to build alternative VNCs. The paper studies the Aalto University campus network for current end-user data usage demand and the existing technology used in meeting the end-user needs and forecasts the demand for the next five years to understand the need for 5G. Findings This research concludes that with the provision of local spectrum licenses, there is an opportunity for venue owners to take the role of 5G local operator on the venue premises. Furthermore, it enables venue owners to collaborate with the incumbent mobile network operators (MNOs) in a neutral host model and provide venue-specific connectivity services. Research limitations/implications A detailed economic assessment for the network deployment in the campus is considered for future study. Originality/value Considering the provision for local spectrum licenses, this paper has taken a unique attempt in identifying the future scenarios for local 5G network operations. It provides a strategic direction for the venue owners in adopting 5G technology and whether to make 5G or buy 5G from MNOs.

Scenario analysis for commercial Internet content delivery

Info ◽  
2014 ◽  
Vol 16 (3) ◽  
pp. 54-71 ◽  
Author(s):  
Nan Zhang ◽  
Timo Smura ◽  
Björn Grönvall ◽  
Heikki Hämmäinen
Keyword(s):  
Planning Process ◽  
Content Delivery ◽  
Scenario Planning ◽  
Future Scenarios ◽  
Internet Service ◽  
Content Type ◽  
Alternative Future ◽  
Content Provision ◽  
Delivery Networks ◽  
Technical Solutions

Purpose – The purpose of this paper is to identify and analyze the key uncertainties and to construct alternative future scenarios for Internet content delivery. The relative positions and roles of different actors and content delivery technologies in each scenario are then discussed. As traffic volume rapidly grows, the current Internet architecture faces scalability issues. To meet the demand, technical solutions utilizing caching and name-based routing are developed. Design/methodology/approach – This work followed a scenario planning process, and two workshops were organized for identifying the key trends and uncertainties. Industry architecture notation was used to systematically illustrate and compare the constructed scenarios. Findings – Of the 94 forces identified, the revenue model and Internet service provider's (ISP’s) role in content provision were singled out as the two most important uncertainties, upon which four scenarios were constructed. In-network caching technologies are strong candidates in ISP-dominated scenarios. Content delivery networks are more likely outcomes in scenarios, where content providers’ role is significant. Research limitations/implications – The paper focuses on qualitative analysis of scenarios. Utilizing, for instance, system dynamics to model interdependencies between the trends and uncertainties could provide a path toward quantitative analysis. Originality/value – The paper increases understanding of relative positions and roles of different actors and technologies in possible future scenarios. The findings are important, especially for ISPs, content providers and technology vendors. The scenarios can be used to identify desirable futures and strategies to achieve them and to make informed choices in technology design to meet the demands of key actors.

Research of Trusted Network Security Technology

2011 ◽  
Vol 52-54 ◽  
pp. 713-716
Author(s):  
Xiao Ying Gan ◽  
Bin Liu
Keyword(s):  
Data Transmission ◽  
Network Access ◽  
End User ◽  
Security Technology ◽  
Resources Management ◽  
Integrity Verification ◽  
Reliable Model ◽  
User Data ◽  
Repair Techniques

Based on the TNC architecture, using a trusted network of repair techniques in the trusted network access scenario does not meet the requirements of integrity verification solution for end users. Put forward a credible fix the overall network design, reliable model restoration and repair services, network workflow. The system is in need of restoration to provide safe and reliable repair end-user data transmission, providing a humane, reasonable repair services to ensure the credibility of fixed network and the isolation effect of the terminal to be repaired and strengthened the security of fixed server. Realized the classification of various types of repair resources management, restoration of resources in ensuring the transfer of fast, reliable, based on the performance with a certain extension.

Smart practices in HEIs and the contribution to the SDGs: implementation in Brazilian university

2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Liane Dalla Gasperina ◽  
Janaina Mazutti ◽  
Luciana Londero Brandli ◽  
Roberto dos Santos Rabello
Keyword(s):  
Higher Education ◽  
Waste Reduction ◽  
Infrastructure Management ◽  
University Campus ◽  
Southern Brazil ◽  
Content Type ◽  
The Sustainable Development ◽  
Sustainability Research ◽  
Development Goals

Purpose Smart campuses can be seen as the future of higher education efforts, especially for their contributions to sustainability and to encourage innovation. This paper aims to present the benefits of smart practices in a Higher Education Institutions and highlights its connections to the sustainable development goals (SDGs). Design/methodology/approach The methodology is divided into three steps: first, an international search and assessment of smart practices at universities; second, the identification of smart practices in a university campus in southern Brazil; and third, the presentation of the benefits of smart practices and their relationship with the SDGs. Findings The results showed that globally, the area most covered by smart practices in universities is the environment and, specifically, focused on waste reduction. in the context of this case study, the benefits of implementing smart practices mainly reach SDGs 4 and SDG 9, especially due to aspects of teaching technologies for the new classroom models and the optimization of campus infrastructure management. Practical implications The study encourages other universities to implement smart practices in their campuses, to becoming smart campuses while they also collaborate in achieving the SDGs while raising the discussion on the importance of committed actions taken on a university campus with the UN SDGs, to leverage synergies on campus operations at universities. Originality/value This paper presents a set of smart practices that universities are applying both globally and locally (in southern Brazil). In addition, it contributes to sustainability research by showing how smart practices have the potential to promote SDGs in universities, especially through campus operations.

A sustainability internship program: strategies for creating student stewards for sustainability

2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Hongor Miller ◽  
Byron Ronald Miller Jr ◽  
Jeffrey Spoelstra
Keyword(s):  
Local Community ◽  
Leadership Skills ◽  
Study Data ◽  
Behavior Changes ◽  
University Campus ◽  
Content Type ◽  
Assessment Scores ◽  
Post Test ◽  
Internship Programs ◽  
Method Of Evaluation

Purpose The purpose of this paper is to explore the strategies and an effective model for creating and implementing a sustainability internship program at a university campus. Design/methodology/approach This study assessed Western Michigan University’s sustainability program’s interns’ gain of environmental knowledge on sustainability topics via pre- and post-test assessments. A sample of 50 interns between fall 2016 and spring 2019 comprising six cohorts participated in this study. Data were analyzed using statistical package for social sciences to calculate descriptive statistics and sign tests. Findings The sign tests of the accumulative internship pre- and post-test assessment scores significantly increased for all 14 sustainability knowledge dimensions. Research limitations/implications The pre- and post-test assessments of the internship program are unable to track and predict the long-term behavior changes of the interns after the completion of the program. Therefore, a future longitudinal study is needed. Practical implications This sustainability internship program’s content and experiential learning model has been proven to be effective in increasing interns’ knowledge of sustainability issues and creating sustainability stewards. Institutions and universities should consider creating their own sustainability internship program based on Western Michigan University's program using pre- and post-test assessments as a method of evaluation. Social implications The internship programs’ main strength is that it offers students from all academic backgrounds an opportunity to dig deep into sustainability issues, build new social networks, gain knowledge, develop leadership skills, become sustainability stewards and immediately apply what they have learned on campus and in their local community. On-campus internships are unique learning opportunities worthy of study and refinement. Originality/value This research paper is unique because it analyzes the combined pre- and post-test scores of six cohorts of interns’ across multiple knowledge dimensions of sustainability. This study empirically shows that the combined interns’ sustainability knowledge across all dimensions significantly increased from the pre- to post-test over the semester-long program.

Suppliers’ local network embeddedness and buyers’ joint innovation

2019 ◽  
Vol 36 (3) ◽  
pp. 342-364 ◽  
Author(s):  
Feng Hsu Liu ◽  
Lu Jui Chen ◽  
Hung Tai Tsou
Keyword(s):  
Structural Equation ◽  
Service Innovation ◽  
Equation Model ◽  
Local Network ◽  
Content Type ◽  
Network Embeddedness ◽  
Embedded Network ◽  
Managerial Implications ◽  
Service Oriented ◽  
Innovation Competence

Purpose The purpose of this paper is to investigate the effects of original equipment manufacturing suppliers’ local network embeddedness on buyers’ relative attention and joint innovation through service innovation competence. Design/methodology/approach A structural equation model was analyzed using AMOS 21 with data derived from 165 buyers in the Taiwanese electronics industry. Findings From the buyer perspective, suppliers with embedded network relationships in emerging markets are perceived to be service oriented and to have relative attention and joint innovation that are attractive to buyers. In addition, the findings of empirical testing conducted in this study suggest that perceived exploitative and explorative service innovation competence partially mediate the relationship between perceived network embeddedness and relative attention, while explorative service innovation competence partially mediates the influence of perceived network embeddedness on buyers’ joint innovation. Originality/value This study innovatively employed a buyer perspective to examine the servitization of manufacturing suppliers and the effects of this on the buyer–supplier relationship, providing new insights into the role of service innovation competence as well as important theoretical and managerial implications.

Value in vehicles: economic assessment of automotive data

2018 ◽  
Vol 20 (6) ◽  
pp. 513-527
Author(s):  
Alexander M. Soley ◽  
Joshua E. Siegel ◽  
Dajiang Suo ◽  
Sanjay E. Sarma
Keyword(s):  
Model Performance ◽  
Economic Assessment ◽  
Connected Vehicle ◽  
Data Generation ◽  
Content Type ◽  
Monetary Value ◽  
Vehicle Data ◽  
Data Market ◽  
Data Stewardship ◽  
Value Model

Purpose The purpose of this paper is to develop a model to estimate the value of information generated by and stored within vehicles to help people, businesses and researchers. Design/methodology/approach The authors provide a taxonomy for data within connected vehicles, as well as for actors that value such data. The authors create a monetary value model for different data generation scenarios from the perspective of multiple actors. Findings Actors value data differently depending on whether the information is kept within the vehicle or on peripheral devices. The model shows the US connected vehicle data market is worth between US$11.6bn and US$92.6bn. Research limitations/implications This model estimates the value of vehicle data, but a lack of academic references for individual inputs makes finding reliable inputs difficult. The model performance is limited by the accuracy of the authors’ assumptions. Practical implications The proposed model demonstrates that connected vehicle data has higher value than people and companies are aware of, and therefore we must secure these data and establish comprehensive rules pertaining to data ownership and stewardship. Social implications Estimating the value of data of vehicle data will help companies understand the importance of responsible data stewardship, as well as drive individuals to become more responsible digital citizens. Originality/value This is the first paper to propose a model for computing the monetary value of connected vehicle data, as well as the first paper to provide an estimate of this value.

Proposing a basic methodology for developing balanced scorecard by system dynamics approach

Kybernetes ◽  
2015 ◽  
Vol 44 (6/7) ◽  
pp. 1049-1066 ◽  
Author(s):  
Seyed Behnam Khakbaz ◽  
Nastaran Hajiheydari
Keyword(s):  
System Dynamics ◽  
Balanced Scorecard ◽  
Public Transportation ◽  
Time Delays ◽  
Scenario Planning ◽  
Content Type ◽  
Integrated Framework ◽  
Management Scenario ◽  
Transportation Company

Purpose – Successful future has inspired organizations to measure long-term and non-financial measurements and key performance indicators (KPIs). Kaplan and Norton proposed balanced scorecard (BSC) for this issue and have extended it to one of the most preferred strategic management system’s tools. However, available planning tools like BSC have some limitations, like dependency to the developer, weakness in showing time delays, and also mathematical relationships between lead and lag indicators. In this paper, the authors would present a new methodology for developing BSCs, which would be able to overcome these limitations. Therefore, the purpose of this paper is to develop an integrated framework for developing BSC with system dynamics approach (a dynamic BSC (DBSC)) which has lower limitation in compare with traditional BSC. The other purpose of this paper is developing a DBSC for an Iranian public transportation company. Design/methodology/approach – Based on this purpose, related literature was thoroughly reviewed and the proposed methodology designed using the system dynamics and BSC concepts. This methodology is a composition of original BSC development methodology and system dynamics principles. An assumed organization has been used for showing methodology’s capability and procedure. Furthermore, a case study has been accomplished in this paper. This case study is a DBSC which has been developed for an Iranian public transportation company. The purpose of this case study is to ensure about proposed methodology implication in action. Findings – The authors proposed a methodology which can be applied for developing BSCs. This methodology consists of six different steps which are: developing a system for organization, selecting stakeholders’ most important objectives and target, identifying organization’s objectives and their KPIs for different BSC aspects, developing strategy map, targeting, and selecting initiatives. In the proceeding of this paper, the proposed methodology and its steps would be explained in detail. Originality/value – The system dynamic approach has precedents in business studies; however, this research makes this approach operational in BSC designing and analysis. BSCs, which developed by this methodology can show time delays between an organization’s objectives, its KPIs’ relationship and also planning for it. Selecting achievable and rational vision and objectives’ targets, change management, scenario planning and policy analysis are other values which can be achieved by DBSC deployment which need further researches. In summary, this research has shown an integrated framework for developing DBSC and then applies it to an Iranian public transportation company. Therefore, another contribution of this paper is the application of this method for an Iranian public transportation company.

Determinants of the level of foreign subsidiaries’ localization of Korean MNCs and performance in China

2017 ◽  
Vol 21 (1) ◽  
pp. 2-21
Author(s):  
Byoung-Goo Kim ◽  
Gyu-Bae Kim
Keyword(s):  
Survey Data ◽  
Empirical Analysis ◽  
Corporate Culture ◽  
Business Strategy ◽  
Local Network ◽  
Foreign Subsidiary ◽  
Foreign Subsidiaries ◽  
Content Type ◽  
Network Embeddedness ◽  
The Relationship

Purpose The purpose of this paper is to empirically analyze what effects the headquarters’ (HQ) business strategy and corporate culture, the local network embeddedness of the foreign subsidiary, and HQ-subsidiary communication have on the staff localization of foreign subsidiaries. The authors carry out empirical analysis on how localization of foreign subsidiaries ultimately affects the performance of foreign subsidiaries. Design/methodology/approach This study is an empirical analysis on the determinants of staff localization and the relationship between staff localization and corporate performance. In this study, the five hypotheses were proposed and tested using survey data. The authors randomly selected a total of 800 companies as subjects and conducted a survey. The final 222 survey data including HQs and subsidiaries were used for empirical analysis. The statistical analyses such as reliability test, factor analysis and regression were used. Findings This study shows that there was a higher level of staff localization by the foreign subsidiary when the investment goal was market-oriented investment, the Korean foreign subsidiary had stronger local network embeddedness and there was better HQ-subsidiary communication. In addition, the relationship between localization and subsidiary performance shows an inverted U-shape. Such results will give various implications to companies. Originality/value The research that takes a multilayered consideration on factors of the HQ, subsidiaries, and the HQ-subsidiary relationship is rare. To overcome such limitations, this study carried out a survey in order to find more in-depth decision factors. Specifically, this study analyzed the effects of three large aspects of investment goals and corporate culture from the aspect of the HQ, local network embeddedness from the aspect of foreign subsidiaries, and the level of HQ-subsidiary communication from the aspect of HQ-subsidiary relations, and how they affect staff localization.

scholarly journals An Adaptive Bitrate Switching Algorithm for Speech Applications in Context of WebRTC

2021 ◽  
Vol 17 (4) ◽  
pp. 1-21
Author(s):  
Mohannad Alahmadi ◽  
Peter Pocta ◽  
Hugh Melvin
Keyword(s):  
Real Time ◽  
Data Exchange ◽  
Quality Of Experience ◽  
End User ◽  
High Quality ◽  
Content Type ◽  
Switching Algorithm ◽  
Wide Range ◽  
The Impact

Web Real-Time Communication (WebRTC) combines a set of standards and technologies to enable high-quality audio, video, and auxiliary data exchange in web browsers and mobile applications. It enables peer-to-peer multimedia sessions over IP networks without the need for additional plugins. The Opus codec, which is deployed as the default audio codec for speech and music streaming in WebRTC, supports a wide range of bitrates. This range of bitrates covers narrowband, wideband, and super-wideband up to fullband bandwidths. Users of IP-based telephony always demand high-quality audio. In addition to users’ expectation, their emotional state, content type, and many other psychological factors; network quality of service; and distortions introduced at the end terminals could determine their quality of experience. To measure the quality experienced by the end user for voice transmission service, the E-model standardized in the ITU-T Rec. G.107 (a narrowband version), ITU-T Rec. G.107.1 (a wideband version), and the most recent ITU-T Rec. G.107.2 extension for the super-wideband E-model can be used. In this work, we present a quality of experience model built on the E-model to measure the impact of coding and packet loss to assess the quality perceived by the end user in WebRTC speech applications. Based on the computed Mean Opinion Score, a real-time adaptive codec parameter switching mechanism is used to switch to the most optimum codec bitrate under the present network conditions. We present the evaluation results to show the effectiveness of the proposed approach when compared with the default codec configuration in WebRTC.

Why do satisfied customers defect? A closer look at the simultaneous effects of switching barriers and inducements on customer loyalty

2017 ◽  
Vol 27 (3) ◽  
pp. 616-641 ◽  
Author(s):  
Stephanie Hui-Wen Chuah ◽  
Philipp A. Rauschnabel ◽  
Malliga Marimuthu ◽  
Ramayah Thurasamy ◽  
Bang Nguyen
Keyword(s):  
Customer Loyalty ◽  
Structural Equation ◽  
Reference Group ◽  
Mobile Internet ◽  
Local Network ◽  
Equation Modeling ◽  
Holistic Model ◽  
Content Type ◽  
Marketing Innovation ◽  
Switching Barriers

Purpose The purpose of this paper is to go beyond satisfaction as an indicator of customer loyalty and propose a holistic model of service switching in a mobile internet setting. The model, which reflects both barriers and inducements of switching, is developed based on the “mooring” and “pull” concepts in the migration literature. Design/methodology/approach Focusing on Generation Y mobile internet subscribers, the study analyzed a total of 417 usable questionnaire responses. Partial least squares structural equation modeling was used to test the research model. Findings The results show that first, satisfaction and switching barriers (i.e. a focal firm’s marketing innovation initiatives, switching costs, inertia, and local network effects) are positively related to customer loyalty; second, switching barriers have a stronger influence on customer loyalty compared with satisfaction; third, switching inducements (i.e. competitors’ marketing innovation initiatives, alternative attractiveness, variety-seeking tendencies, and consumers’ susceptibility to social reference group influence) is negatively related to customer loyalty and the relationship is weaker when perceived switching barriers are high. Originality/value This study empirically validates multidimensional scales of switching barriers and inducements from a more nuanced perspective, and specifies them as reflective-formative type II models. This study is among the first to use opposing dimensions to measure switching barriers and its counterpart. Hence, it illustrates how the two contrasting mechanisms can coexist in the minds of mobile internet subscribers.

Sign in / Sign up

Export Citation Format

Share Document