Search for dissertations about: "communications systems"

Showing result 1 - 5 of 653 swedish dissertations containing the words communications systems.

2. 1. On Enterprise Systems Artifacts: Changes in Information Systems Development and Evaluation

   Author : Jonas Hedman; Institutet för Ekonomisk forskning; []
   Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; information systems development; evaluation; artifact evaluation; artifacts; systemteori; Informatik; Informatics; systems theory; Enterprise Systems; ERP Systems;

   Abstract : Enterprise Systems are one of the most important developments in corporate information systems during the last decade. These integrated information systems are characterized by a number of features which include a very broad scope and functionality, as well as being generic, master data, and business-process orientated. READ MORE

4. 2. Model-driven Alignment : Linking Business Strategy with Information Systems

   Author : Constantinos Giannoulis; Jelena Zdravkovic; John Krogstie; Stockholms universitet; []
   Keywords : SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Alignment; Business; Strategy; Information; Systems; Requirements; IS; Enterprise; Models; Modeling; Computer and Systems Sciences; data- och systemvetenskap;

   Abstract : Information technology (IT) is more pervasive than ever before, constituting a significant factor for performance and survival in the business arena. It is essential that IT within organizations understands what the Business needs in order to provide the necessary support and bring value, which is also true when IT is also the main value creator. READ MORE

5. 3. Cooperative Communications : Link Reliability and Power Efficiency

   Author : Tafzeel ur Rehman Ahsin; Ben Slimane; Xavier Lagrange; KTH; []
   Keywords : ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Cooperative Communications; Link Reliability; Power Efficiency; Energy Efficiency; Network Coding; Cooperative Relaying; SRA - ICT; SRA - Informations- och kommunikationsteknik;

   Abstract : Demand for high data rates is increasing rapidly for the future wireless generations, due to the requirement ofubiquitous coverage for wireless broadband services. More base stations are needed to deliver these services, in order tocope with the increased capacity demand and inherent unreliable nature of wireless medium. READ MORE

6. 4. Secure emergency communications of emergency responders : a case study of Kemi municipality in Finland

   Author : Heidi Hartikainen; Luleå tekniska universitet; []
   Keywords : SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; emergency management; information security; emergency response; emergency communications; secure communications; Computer and Systems Science; Data- och systemvetenskap;

   Abstract : Emergency response is highly time-critical and information dependent: every moment counts and organizations need to access various information that supports their decision making and informs them about the scale and location of the emergency, the damages, and the availability of human and physical resources. This kind information can originate from many different places and the situation can be stressful as there is a need to communicate quickly, reliably and accurately within their own organization, but also inter-organizationally. READ MORE

7. 5. Cybersecurity Incident Response : A Socio-Technical Approach

   Author : Bilal Al Sabbagh; Stewart Kowalski; Louise Yngström; Mathias Ekstedt; Stockholms universitet; []
   Keywords : ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; TEKNIK OCH TEKNOLOGIER; SAMHÄLLSVETENSKAP; ENGINEERING AND TECHNOLOGY; SOCIAL SCIENCES; cybersecurity incident response; SIEM; cybersecurity warning systems; socio-technical approach; organisation security culture; Computer and Systems Sciences; data- och systemvetenskap;

   Abstract : This thesis examines the cybersecurity incident response problem using a socio-technical approach. The motivation of this work is the need to bridge the knowledge and practise gap that exists because of the increasing complexity of cybersecurity threats and our limited capability of applying cybersecurity controls necessary to adequately respond to these threats. READ MORE