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Polytechnic Institute of New York University
(34 results)-
White Papers
Keyboard Acoustic Emanations: An Evaluation of Strong Passwords and Typing Styles
November 24, 2010, 12:00am PST
The sounds resulting from keyboard typing can reveal information about the input data. In this paper, the authors revisit such keyboard acoustic emanations for the purpose of eavesdropping over...
Provided by Polytechnic Institute of New York University
-
White Papers
We Can Remember It for You Wholesale: Implications of Data Remanence on the Use of RAM for True Random Number Generation on RFID Tags
September 7, 2009, 12:00am PDT
Random number generation is a fundamental security primitive for RFID devices. However, even this relatively simple requirement is beyond the capacity of today's average RFID tag. A recently...
Provided by Polytechnic Institute of New York University
-
White Papers
Alice Meets Bob: A Comparative Usability Study of Wireless Device Pairing Methods for a "Two-User" Setting
July 27, 2009, 12:00am PDT
When users want to establish wireless communication between/among their devices, the channel has to be bootstrapped first. To prevent any malicious control of or eavesdropping over the...
Provided by Polytechnic Institute of New York University
-
White Papers
Estimating the Performance of Hypothetical Cloud Service Deployments: A Measurement-Based Approach
August 9, 2010, 12:00am PDT
To optimize network performance, cloud service providers have a number of options available to them, including co-locating production servers in well-connected Internet eXchange (IX) points,...
Provided by Polytechnic Institute of New York University
-
White Papers
Pragmatic Information Rates, Generalizations Of The Kelly Criterion, And Financial Market Efficiency
February 21, 2011, 12:00am PST
This paper is part of an ongoing investigation of "Pragmatic information," defined in Weinberger (2002) as "The amount of information actually used in making a decision." Because a study of...
Provided by Polytechnic Institute of New York University
-
Whitepapers
A Demonstration of Video Over a Cooperative PHY Layer Protocol
August 1, 2008, 12:00am PDT
Cooperative communication is a promising approach to improve the reliability of a received signal at the physical layer. Cooperating nodes create a virtual MIMO system that provides spatial...
Provided by Polytechnic Institute of New York University
-
White Papers
Interference Channel Aided by an Infrastructure Relay
April 16, 2009, 12:00am PDT
A Gaussian Interference Channel with an Infrastructure Relay (ICIR) is investigated. The relay has finite-capacity links to both sources and destinations that are orthogonal to each other and to...
Provided by Polytechnic Institute of New York University
-
White Papers
NCOM: Network Coding Based Overlay Multicast in Wireless Networks
January 5, 2011, 12:00am PST
The capacity of wireless networks are increasingly challenged by the traffic stresses generated by data-intensive applications. Multicast is a bandwidth-efficient solution to simultaneously...
Provided by Polytechnic Institute of New York University
-
White Papers
Layered Randomized Cooperative Multicast for Lossy Data: A Superposition Approach
March 2, 2009, 12:00am PST
In this paper, the authors consider randomized distributed cooperation for multicasting a source signal with end-to-end distortion used as a performance metric. In order to provide differentiated...
Provided by Polytechnic Institute of New York University
-
White Papers
Data Remanence Effects on Memory Based Entropy Collection for RFID Systems
May 13, 2011, 12:00am PDT
Random number generation is a fundamental security primitive. This relatively simple requirement is beyond the capacity of passive RFID (Radio Frequency IDentification) tags, however. A recent...
Provided by Polytechnic Institute of New York University
-
White Papers
Tree-Based HB Protocols for Privacy-Preserving Authentication of RFID Tags
July 12, 2010, 12:00am PDT
An RFID reader must authenticate its designated tags in order to prevent tag forgery and counterfeiting. At the same time, due to privacy requirements of many applications, a tag should remain...
Provided by Polytechnic Institute of New York University
-
White Papers
On the Insecurity of Proactive RSA in the URSA Mobile Ad Hoc Network Access Control Protocol
July 5, 2010, 12:00am PDT
Access control is the fundamental security service in ad hoc groups. It is needed not only to prevent unauthorized entities from joining the group, but also to bootstrap other security services....
Provided by Polytechnic Institute of New York University
-
White Papers
Still and Silent: Motion Detection for Enhanced RFID Security and Privacy Without Changing the Usage Model
June 1, 2010, 12:00am PDT
Personal RFID devices-found, e.g., in access cards and contactless credit cards-are vulnerable to unauthorized reading, owner tracking and different types of relay attacks. The authors observe...
Provided by Polytechnic Institute of New York University
-
White Papers
Blink 'Em All: Scalable, User-Friendly and Secure Initialization of Wireless Sensor Nodes
September 6, 2009, 12:00am PDT
Wireless sensor networks have several useful applications in commercial and defense settings, as well as user-centric personal area networks. To establish secure (point-to-point and/or broadcast)...
Provided by Polytechnic Institute of New York University
-
White Papers
Security Challenges During VLSI Test
May 19, 2011, 12:00am PDT
VLSI testing is a practical requirement, but unless proper care is taken, features that enhance testability can reduce system security. Data confidentiality and intellectual property protection...
Provided by Polytechnic Institute of New York University
-
White Papers
Towards a Representive Testbed: Harnessing Volunteers for Networks Research
March 6, 2012, 12:00am PST
A steady rise in home systems has been seen over the past few years. As more systems are designed and deployed, an appropriate testbed is required to test these systems. Several systems exist,...
Provided by Polytechnic Institute of New York University
-
White Papers
Security Through Entertainment: Experiences Using a Memory Game for Secure Device Pairing
May 6, 2010, 12:00am PDT
The secure "Pairing" of wireless devices based on auxiliary or Out-Of-Band (OOB) communication, such as audio, visual, or tactile channels, is a well-established research direction. However, prior...
Provided by Polytechnic Institute of New York University
-
White Papers
Managing Cohort Movement of Mobile Sensors Via GPS-Free & Compass-Free Node Localization
November 25, 2009, 12:00am PST
A critical problem in mobile ad-hoc wireless sensor networks is each node's awareness of its position relative to the network. This problem is known as localization. In this paper, the authors...
Provided by Polytechnic Institute of New York University
-
White Papers
Peer-to-Peer Streaming of Layered Video: Efficiency, Fairness and Incentive
May 27, 2010, 12:00am PDT
Recent advance in Scalable Video Coding (SVC) makes it possible for users to receive the same video with different qualities. To adopt SVC in P2P streaming, two key design questions need to be...
Provided by Polytechnic Institute of New York University
-
White Papers
Scalable Video Multicast in Hybrid 3G/Ad-Hoc Networks
May 5, 2009, 12:00am PDT
Mobile video broadcasting service, or mobile TV, is expected to become a popular application for 3G wireless network operators. Most existing solutions for video BroadCast MultiCast Services...
Provided by Polytechnic Institute of New York University
-
White Papers
Delay Bounds of Peer-to-Peer Video Streaming
June 21, 2009, 12:00am PDT
Peer-To-Peer (P2P) systems exploit the uploading bandwidth of individual peers to distribute content at low server cost. While the P2P bandwidth sharing design is very efficient for bandwidth...
Provided by Polytechnic Institute of New York University
-
White Papers
Incentivized Peer-Assisted Streaming for On-Demand Services
November 12, 2009, 12:00am PST
As an efficient distribution mechanism, Peer-To-Peer (P2P) technology has become a tremendously attractive solution to offload servers in large-scale video streaming applications. However, in...
Provided by Polytechnic Institute of New York University
-
White Papers
Investigating the Scheduling Sensitivity of P2P Video Streaming: An Experimental Study
November 24, 2008, 12:00am PST
With the fast penetration of broadband residential accesses, Video-over-IP applications are quickly becoming the new generation "Killer" applications on the Internet. Traditionally, videos are...
Provided by Polytechnic Institute of New York University
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
Whitepapers
A Demonstration of Video Over a Cooperative PHY Layer Protocol
August 1, 2008, 12:00am PDT
Cooperative communication is a promising approach to improve the reliability of a received signal at the physical layer. Cooperating nodes create a virtual MIMO system that provides spatial...
Provided by Polytechnic Institute of New York University
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
White Papers
Investigating the Scheduling Sensitivity of P2P Video Streaming: An Experimental Study
November 24, 2008, 12:00am PST
With the fast penetration of broadband residential accesses, Video-over-IP applications are quickly becoming the new generation "Killer" applications on the Internet. Traditionally, videos are...
Provided by Polytechnic Institute of New York University
-
White Papers
Incentivized Peer-Assisted Streaming for On-Demand Services
November 12, 2009, 12:00am PST
As an efficient distribution mechanism, Peer-To-Peer (P2P) technology has become a tremendously attractive solution to offload servers in large-scale video streaming applications. However, in...
Provided by Polytechnic Institute of New York University
-
White Papers
Delay Bounds of Peer-to-Peer Video Streaming
June 21, 2009, 12:00am PDT
Peer-To-Peer (P2P) systems exploit the uploading bandwidth of individual peers to distribute content at low server cost. While the P2P bandwidth sharing design is very efficient for bandwidth...
Provided by Polytechnic Institute of New York University
-
White Papers
Scalable Video Multicast in Hybrid 3G/Ad-Hoc Networks
May 5, 2009, 12:00am PDT
Mobile video broadcasting service, or mobile TV, is expected to become a popular application for 3G wireless network operators. Most existing solutions for video BroadCast MultiCast Services...
Provided by Polytechnic Institute of New York University
-
White Papers
Peer-to-Peer Streaming of Layered Video: Efficiency, Fairness and Incentive
May 27, 2010, 12:00am PDT
Recent advance in Scalable Video Coding (SVC) makes it possible for users to receive the same video with different qualities. To adopt SVC in P2P streaming, two key design questions need to be...
Provided by Polytechnic Institute of New York University
-
White Papers
Managing Cohort Movement of Mobile Sensors Via GPS-Free & Compass-Free Node Localization
November 25, 2009, 12:00am PST
A critical problem in mobile ad-hoc wireless sensor networks is each node's awareness of its position relative to the network. This problem is known as localization. In this paper, the authors...
Provided by Polytechnic Institute of New York University
-
White Papers
Security Through Entertainment: Experiences Using a Memory Game for Secure Device Pairing
May 6, 2010, 12:00am PDT
The secure "Pairing" of wireless devices based on auxiliary or Out-Of-Band (OOB) communication, such as audio, visual, or tactile channels, is a well-established research direction. However, prior...
Provided by Polytechnic Institute of New York University
-
White Papers
Towards a Representive Testbed: Harnessing Volunteers for Networks Research
March 6, 2012, 12:00am PST
A steady rise in home systems has been seen over the past few years. As more systems are designed and deployed, an appropriate testbed is required to test these systems. Several systems exist,...
Provided by Polytechnic Institute of New York University
-
White Papers
Security Challenges During VLSI Test
May 19, 2011, 12:00am PDT
VLSI testing is a practical requirement, but unless proper care is taken, features that enhance testability can reduce system security. Data confidentiality and intellectual property protection...
Provided by Polytechnic Institute of New York University
-
White Papers
Blink 'Em All: Scalable, User-Friendly and Secure Initialization of Wireless Sensor Nodes
September 6, 2009, 12:00am PDT
Wireless sensor networks have several useful applications in commercial and defense settings, as well as user-centric personal area networks. To establish secure (point-to-point and/or broadcast)...
Provided by Polytechnic Institute of New York University
-
White Papers
Still and Silent: Motion Detection for Enhanced RFID Security and Privacy Without Changing the Usage Model
June 1, 2010, 12:00am PDT
Personal RFID devices-found, e.g., in access cards and contactless credit cards-are vulnerable to unauthorized reading, owner tracking and different types of relay attacks. The authors observe...
Provided by Polytechnic Institute of New York University
-
White Papers
On the Insecurity of Proactive RSA in the URSA Mobile Ad Hoc Network Access Control Protocol
July 5, 2010, 12:00am PDT
Access control is the fundamental security service in ad hoc groups. It is needed not only to prevent unauthorized entities from joining the group, but also to bootstrap other security services....
Provided by Polytechnic Institute of New York University
-
White Papers
Tree-Based HB Protocols for Privacy-Preserving Authentication of RFID Tags
July 12, 2010, 12:00am PDT
An RFID reader must authenticate its designated tags in order to prevent tag forgery and counterfeiting. At the same time, due to privacy requirements of many applications, a tag should remain...
Provided by Polytechnic Institute of New York University
-
White Papers
Data Remanence Effects on Memory Based Entropy Collection for RFID Systems
May 13, 2011, 12:00am PDT
Random number generation is a fundamental security primitive. This relatively simple requirement is beyond the capacity of passive RFID (Radio Frequency IDentification) tags, however. A recent...
Provided by Polytechnic Institute of New York University
-
White Papers
Layered Randomized Cooperative Multicast for Lossy Data: A Superposition Approach
March 2, 2009, 12:00am PST
In this paper, the authors consider randomized distributed cooperation for multicasting a source signal with end-to-end distortion used as a performance metric. In order to provide differentiated...
Provided by Polytechnic Institute of New York University
-
White Papers
NCOM: Network Coding Based Overlay Multicast in Wireless Networks
January 5, 2011, 12:00am PST
The capacity of wireless networks are increasingly challenged by the traffic stresses generated by data-intensive applications. Multicast is a bandwidth-efficient solution to simultaneously...
Provided by Polytechnic Institute of New York University
-
White Papers
Interference Channel Aided by an Infrastructure Relay
April 16, 2009, 12:00am PDT
A Gaussian Interference Channel with an Infrastructure Relay (ICIR) is investigated. The relay has finite-capacity links to both sources and destinations that are orthogonal to each other and to...
Provided by Polytechnic Institute of New York University
-
White Papers
Pragmatic Information Rates, Generalizations Of The Kelly Criterion, And Financial Market Efficiency
February 21, 2011, 12:00am PST
This paper is part of an ongoing investigation of "Pragmatic information," defined in Weinberger (2002) as "The amount of information actually used in making a decision." Because a study of...
Provided by Polytechnic Institute of New York University
-
White Papers
Estimating the Performance of Hypothetical Cloud Service Deployments: A Measurement-Based Approach
August 9, 2010, 12:00am PDT
To optimize network performance, cloud service providers have a number of options available to them, including co-locating production servers in well-connected Internet eXchange (IX) points,...
Provided by Polytechnic Institute of New York University
-
White Papers
Alice Meets Bob: A Comparative Usability Study of Wireless Device Pairing Methods for a "Two-User" Setting
July 27, 2009, 12:00am PDT
When users want to establish wireless communication between/among their devices, the channel has to be bootstrapped first. To prevent any malicious control of or eavesdropping over the...
Provided by Polytechnic Institute of New York University
-
White Papers
We Can Remember It for You Wholesale: Implications of Data Remanence on the Use of RAM for True Random Number Generation on RFID Tags
September 7, 2009, 12:00am PDT
Random number generation is a fundamental security primitive for RFID devices. However, even this relatively simple requirement is beyond the capacity of today's average RFID tag. A recently...
Provided by Polytechnic Institute of New York University
-
White Papers
Keyboard Acoustic Emanations: An Evaluation of Strong Passwords and Typing Styles
November 24, 2010, 12:00am PST
The sounds resulting from keyboard typing can reveal information about the input data. In this paper, the authors revisit such keyboard acoustic emanations for the purpose of eavesdropping over...
Provided by Polytechnic Institute of New York University
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