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New York University
(172 results)-
White Papers
ViVUD: Virtual Server Cluster Based View-Upload Decoupling for Multi-Channel P2P Video Streaming Systems
July 26, 2010, 12:00am PDT
Despite the success to deliver increasingly large number of channels to millions of users, the current multichannel P2P video streaming systems still suffer several fundamental performance...
Provided by Polytechnic Institute of New York University
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White Papers
View-Upload Decoupling: A Redesign of Multi-Channel P2P Video Systems
August 29, 2008, 12:00am PDT
In current multi-channel live P2P video systems, there are several fundamental performance problems including exceedingly-large channel switching delays, long playback lags, and poor performance...
Provided by Polytechnic Institute of New York University
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White Papers
Femtocells: Past, Present, and Future
November 4, 2011, 12:00am PDT
The topology and architecture of cellular networks are undergoing a major paradigm shift from voice-centric, circuit switched and centrally optimized for coverage towards datacentric, packet...
Provided by New York University
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Whitepapers
Cooperative Coding Implementation at the Physical Layer
February 16, 2009, 12:00am PST
Cooperative communications leverages the spatial diversity available in a wireless environment when multiple radio nodes work together to improve the overall system performance. When a destination...
Provided by Polytechnic Institute of New York University
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Whitepapers
Implementation of Cooperative Communications Using Software Defined Radios
September 21, 2009, 12:00am PDT
Cooperative communications leverages the spatial diversity available in a wireless network enabling multiple radio nodes work together to improve the overall system performance. When a destination...
Provided by Polytechnic Institute of New York University
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Whitepapers
On the Sum Capacity of K-User Cascade Gaussian Z-Interference Channel
June 13, 2011, 12:00am PDT
A K-user cascade Gaussian Z-interference channel is a subclass of the general K-user Gaussian interference channel, where each user, except the first one, experiences interference only from the...
Provided by Polytechnic Institute of New York University
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Whitepapers
Completion Time in Multi-Access Channel: An Information Theoretic Perspective
September 24, 2011, 12:00am PDT
In a multi-access channel, completion time refers to the number of channel uses required for users, each with some given fixed bit pool, to complete the transmission of all their data bits. In...
Provided by Polytechnic Institute of New York University
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Whitepapers
Optimal Transmission Policies for Energy Harvesting Two-Hop Networks
February 29, 2012, 12:00am PST
In this paper, a two-hop communication system with energy harvesting nodes is considered. Unlike battery powered wireless nodes, both the source and the relay are able to harvest energy from...
Provided by Polytechnic Institute of New York University
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Whitepapers
Two-Way Wireless Video Communication Using Randomized Cooperation, Network Coding and Packet Level FEC
March 5, 2012, 12:00am PST
Two-way real-time video communication in wireless networks requires high bandwidth, low delay and error resiliency. This paper addresses these demands by proposing a system with the integration of...
Provided by Polytechnic Institute of New York University
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Whitepapers
Energy-Efficient Sensing and Communication of Parallel Gaussian Sources
May 22, 2012, 12:00am PDT
Energy efficiency is a key requirement in the design of wireless sensor networks. While most theoretical studies only account for the energy requirements of communication, the sensing process,...
Provided by Polytechnic Institute of New York University
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Whitepapers
Relay Channel With Orthogonal Components and Structured Interference Known at the Source
February 20, 2012, 12:00am PST
A relay channel with orthogonal components that is affected by an interference signal that is non-causally available only at the source is studied. The interference signal has structure in that it...
Provided by Polytechnic Institute of New York University
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Whitepapers
Joint Source-Channel Cooperative Transmission Over Relay-Broadcast Networks
February 27, 2012, 12:00am PST
Reliable transmission of a discrete memoryless source over a multiple-relay relay-broadcast network is considered. Motivated by sensor network applications, it is assumed that the relays and the...
Provided by Polytechnic Institute of New York University
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White Papers
Constrained Component Deployment in Wide-Area Networks using AI Planning Techniques
January 1, 2010, 12:00am PST
Component-based models represent a dominant trend in the construction of wide-area network applications, making possible the integration of diverse functionality contained in modules distributed...
Provided by New York University
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White Papers
Network Hubs Buffer Environmental Variation in Saccharomyces Cerevisiae
November 1, 2008, 12:00am PDT
Regulatory and developmental systems produce phenotypes that are robust to environmental and genetic variation. A gene product that normally contributes to this robustness is termed a phenotypic...
Provided by New York University
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White Papers
Optimal Exercise Of Executive Stock Options And Implications For Firm Cost
November 29, 2007, 12:00am PST
As options have become a major component of corporate compensation, the demand for better valuation has intensified. The difficulty is that option cost depends on the exercise policies of...
Provided by New York University (Stern)
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White Papers
Get Another Label? Improving Data Quality and Data Mining Using Multiple, Noisy Labelers
August 27, 2008, 12:00am PDT
There are various costs associated with the preprocessing stage, including costs of acquiring features, formulating data, cleaning data, obtaining expert labeling of data etc. There persists...
Provided by New York University
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Case Studies
A Case Study: Workflow Analysis of Powerline Systems for Risk Management
June 8, 2008, 12:00am PDT
The case study deals with the challenges faced by utility companies in the implementation of automated approaches with regards to power line maintenance. This paper considers the use of two...
Provided by New York University
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White Papers
The "Numbers Game" in the Pre and Post-Sarbanes-Oxley Eras
August 20, 2008, 12:00am PDT
This paper document a decline in the frequency of just meeting/beating analysts' earnings expectations in the aftermath of the 2001-2002 accounting scandals and the passage of the 2002...
Provided by New York University
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White Papers
What Critiques of Sarbanes-Oxley Can Teach About Regulation of Nonprofit Governance
March 29, 2008, 12:00am PDT
Nonprofit corporations, of course, are not alone in having to satisfy both federal and state regulators. The history of regulation in this sector, combining state corporate law with federal tax...
Provided by New York University
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White Papers
The Sarbanes Oxley Act of 2002: Implications for Compensation Contracts and Managerial Risk-Taking
September 9, 2009, 12:00am PDT
This paper shows that the period following the passage of the Sarbanes Oxley Act of 2002 (SOX) is associated with a significant reduction in compensation-based incentives to take risk, which is...
Provided by New York University
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White Papers
Selling Out on the UN Security Council
May 26, 2009, 12:00am PDT
Election to the United Nations Security Council (UNSC) provides non-democratic nations with an opportunity to trade policy support in exchange for aid and other forms of financial assistance. This...
Provided by New York University
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White Papers
Estimating the Socio-Economic Impact of Product Reviews: Mining Text and Reviewer Characteristics
September 1, 2008, 12:00am PDT
This paper is the first study that integrates econometric, text mining, and predictive modeling techniques toward a more complete analysis of the information captured by user-generated online...
Provided by New York University
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White Papers
RE-EM Trees: A New Data Mining Approach for Longitudinal Data
May 29, 2009, 12:00am PDT
Longitudinal data refer to the situation where repeated observations are available for each sampled individual. Methodologies that take this structure into account allow for systematic differences...
Provided by New York University
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White Papers
Improving Data Mining Via Noisy Micro-Outsourcing
November 21, 2008, 12:00am PST
This work discussed in this paper focuses on problems where it is possible to obtain certain (noisy) data values ("Labels") relatively cheaply, from on-line micro outsourcing sources ("Non-expert...
Provided by New York University
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