The authors would like to express their appreciation and gratitude to the following persons who helped us immensely to make this thesis a success. First and foremost, we thank the Almighty God for the strength and wisdom to bring this work to completion. Special thanks go to our supervisors, Professor Susanne Hertz and Hamid Jafari for their patience, guidance, support and encouragement throughout the course of this study. Additional thanks go to Rebecka Gunner of SWECO and Stig Lindström of ERICSSON RESPONSE for granting us audience and answering our interviewing questions without which this thesis would not have been concluded. We are very grateful and indebted to you greatly for your commitment and time. Finally, we thank our families an...