Characterizing the Mobility and Association Patterns (2004)
Maria Papadopouli, Haipeng Shen, Manolis Spanakis
Our goal is to characterize the mobility and access patterns in a IEEE802.11 infrastructure. This can be beneficial in many domains, including coverage planning, resource reservation, supporting...
Cooperative Location-Sensing for Wireless Networks (2004)
Charalampos Fretzagias, Maria Papadopouli
We present the Cooperative Location-sensing system (CLS), an adaptive location-sensing system that enables devices to estimate their position in a self-organizing manner without the need for an...
Cooperative Location-Sensing for Wireless Networks (2004)
Charalampos Fretzagias, Maria Papadopouli
We present the Cooperative Location-sensing system (CLS), an adaptive location-sensing system that enables devices to estimate their position in a self-organizing manner without the need for an...
Identifying Wireless User Groups and Association (2004)
Francisco Chinchilla, Maria Papadopouli, Billy Saelim, Diane Pozefsky, Harshavardhan Sabbineni
Our goal is to understand the movement patterns of wireless users and producing models that describe client associations. This can be beneficial in many domains, including coverage planning, resource...
Analysis of Wireless Information Locality and Association Patterns in a Campus (2003)
Francisco Chinchilla, Mark Lindsey, Maria Papadopouli
Our goal is to explore characteristics of the environment that provide opportunities for caching, prefetching, coverage planning, and resource reservation. We conduct a onemonth measurement study of...
Cooperative Location-Sensing for Wireless Networks (2003)
Charalampos Fretzagias, Maria Papadopouli
We present a robust location-sensing system that enables devices to estimate their position in a self-organizing manner without the need for an extensive infrastructure or training. The algorithm...
Analysis of Wireless Information Locality and (2003)
Francisco Chinchilla, Maria Papadopouli
Our goal is to explore characteristics of the wireless environment that provide opportunities for caching, prefetching, coverage planning, and resource reservation. We conducted a one-month...
A Scalable Video-on-Demand Server for a (2003)
In this paper, we consider a Video-on-Demand storage server which operates in a heterogeneous environment and faces (a) uctuations in workload, (b) network congestion, and (c) failure of server...
Seven Degrees of Separation in Mobile Ad Hoc Networks (2003)
Maria Papadopouli, Henning Schulzrinne
We present an architecture that enables the sharing of information among mobile, wireless, collaborating hosts that are intermittently connected to the Internet. Participants in the system obtain...
A Performance Analysis of (2003)
Maria Papadopouli, Henning Schulzrinne
This paper presents 7DS, a novel peer-to-peer data sharing system. Peers can be either mobile or stationary 7DS is an architecture, a set of protocols and an implementation enabling the exchange of...
Design and Implementation of a Peer-to-Peer Data Dissemination and (2003)
Maria Papadopouli, Henning Schulzrinne
This paper presents 7DS, a novel peer-to-peer data sharing system. Peers can be either mobile or stationary (such as infostations) . 7DS is an architecture, a set of protocols and an implementation...
Connection Sharing in an Ad Hoc Wireless Network among (2003)
Maria Papadopouli, Henning Schulzrinne
We present an architecture that enables network connection sharing in an environment of mobile, wireless, collaborating hosts. Dual-homed hosts with wireless connection to the Internet share their...
Mark R. Lindsey, Maria Papadopouli, Francisco Chinchilla, Abhishek Singh
An environment is characterized by spatial locality of queries and information when it is likely that users in close geographic proximity query for similar data. Information exhibits spatial locality...
Support of VBR Video Streams Under Disk Bandwidth Limitations (2003)
Maria Papadopouli, Leana Golubchik
We present scheduling techniques for a scalable video server in a multi-disk enviroment. The scheduling of the retrieval is introduced in a dynamic rate-distortion context that exploits both the...
Resource sharing in mobile wireless networks (2002)
Motivated by the intermittent connectivity that many mobile users experience, we have been investigating mechanisms to improve their access to data. We propose 7DS, a system that addresses the...
Effects of Power Conservation, Wireless Coverage and (2001)
Maria Papadopouli, Henning Schulzrinne
This paper presents 7DS, a novel peer-to-peer data sharing system. 7DS is an architecture, a set of protocols and an implementation enabling the exchange of data among peers that are not necessarily...
Locating Application Data Across Service Discovery Domains (2001)
Paul Castro* Benjamin, Greenstein Richard Muntz, Chatschik Bisdikian Parviz, Maria Papadopouli
The bulk of proposed pervasive computing devices such as PDAs and cellular telephones operate as thin clients within a larger infrastructure. To access services within their local environment, these...
Seven Degrees of Separation in Mobile Ad Hoc Networks (2000)
Maria Papadopouli, Henning Schulzrinne
We present an architecture that enables the sharing of information among mobile, wireless, collaborating hosts that experience intermittent connectivity to the Internet. Participants in the system...
Connection Sharing in an Ad Hoc Wireless Network among Collaborating Hosts (1999)
Maria Papadopouli, Henning Schulzrinne
We present an architecture that enables network connection sharing in an environment of mobile, wireless, collaborating hosts. Dual-homed hosts with wireless connection to the Internet share their...
Designing Efficient Fault Tolerant VOD Storage Servers: Techniques, Analysis, and Comparison (1998)
Leana Golubchik, John C. S. Lui, Maria Papadopouli
Recent technological advances in digital signal processing, data compression techniques, and high speed computer networking have made Video-on-Demand (VOD) servers feasible. A challenging task in...