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CSCW
2002
ACM
13 years 7 months ago
Articulating User Needs in Collaborative Design: Towards an Activity-Theoretical Approach
This paper analyses the collaborative design of a high-technology product, a neuromagnetometer used in the analysis of the activity of the human cortex. The producer, Neuromag Com...
Reijo Miettinen, Mervi Hasu
PEWASUN
2005
ACM
14 years 1 months ago
Characterizing and modeling user mobility in a cellular data network
The demand for cellular data networks is expected to increase with 3G and beyond technologies accompanied by highbandwidth consumer services, such as wireless video and camera pho...
Emir Halepovic, Carey L. Williamson
IMC
2010
ACM
13 years 5 months ago
YouTube traffic dynamics and its interplay with a tier-1 ISP: an ISP perspective
In this paper we conduct an extensive and in-depth study of traffic exchanged between YouTube data centers and its users, as seen from the perspective of a tier-1 ISP in Spring 20...
Vijay Kumar Adhikari, Sourabh Jain, Zhi-Li Zhang
MOBICOM
2009
ACM
14 years 2 months ago
Revenue maximization and distributed power allocation in cognitive radio networks
Cognitive radio is an enabling technology that allows unlicensed users to opportunistically access the spectrum in order to enhance the spectrum efficiency. In this paper, we cons...
Shaolei Ren, Mihaela van der Schaar
LCN
2000
IEEE
14 years 3 days ago
On Integrating Differentiated Services and UMTS Networks
Differentiated Services (DS) is currently the major approach discussed to provide network layer service differentiation in IP networks. However, the discussion mainly addresses ï¬...
Jörg Diederich, Thorsten Lohmar, Martina Zitt...