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The Pennsylvania State University
(22 results)-
White Papers
7 Things You Need to Know About Location-Aware Technologies
May 29, 2007, 12:00am PDT
Location-aware technology is a general term for technology that can determine its own geographical location. A familiar example is the Global Positioning System (GPS) - the navigation system that...
Provided by The Pennsylvania State University
-
White Papers
Network Service Description and Discovery for the Next Generation Internet
January 12, 2010, 12:00am PST
The next generation Internet will face new challenges due to the coexisting heterogeneous networks and highly diverse networking applications. Therefore how to coordinate heterogeneous networking...
Provided by The Pennsylvania State University
-
White Papers
Distributed Maintenance of Cache Freshness in Opportunistic Mobile Networks
March 15, 2012, 12:00am PDT
Opportunistic mobile networks consist of personal mobile devices which are intermittently connected with each other. Data access can be provided to these devices via cooperative caching without...
Provided by The Pennsylvania State University
-
White Papers
Optimal Recovery From Large-Scale Failures in IP Networks
March 13, 2012, 12:00am PDT
Quickly recovering IP networks from failures is critical to enhancing Internet robustness and availability. Due to their serious impact on network routing, large-scale failures have received...
Provided by The Pennsylvania State University
-
White Papers
Robust Topology Control in Multi-Hop Cognitive Radio Networks
January 9, 2012, 12:00am PST
The opening of under-utilized spectrum creates the opportunity of substantial performance improvement through cognitive radio techniques. However, the real network performance may be limited since...
Provided by The Pennsylvania State University
-
White Papers
Distributed Critical Location Coverage in Wireless Sensor Networks With Lifetime Constraint
January 9, 2012, 12:00am PST
In many surveillance scenarios, there are some known critical locations where the events of concern are expected to occur. A common goal in such applications is to use sensors to monitor these...
Provided by The Pennsylvania State University
-
White Papers
Interference Channels With Strong Secrecy
October 14, 2009, 12:00am PDT
It is known that given the real sum of two independent uniformly distributed lattice points from the same nested lattice codebook, the eavesdropper can obtain at most 1 bit of information per...
Provided by The Pennsylvania State University
-
White Papers
A Stochastic Model of the Damage Propagation in Database Systems
March 24, 2009, 12:00am PDT
Security defense tools like firewalls and antivirus software's are not sufficient to defend against dynamic threats to database systems. Successful attacks could not only seriously impair the...
Provided by The Pennsylvania State University
-
White Papers
Cost Sharing With Network Coding in Two-Way Relay Networks
October 2, 2009, 12:00am PDT
The authors consider a scenario in which two sources exchange stochastically varying traffic with the aid of a bidirectional relay that may perform network coding over the incoming packets. Each...
Provided by The Pennsylvania State University
-
White Papers
Degraded Broadcast Diamond Channels With Non-Causal State Information at the Source
March 8, 2012, 12:00am PST
A state-dependent degraded broadcast diamond channel is studied where the source-to-relays cut is modeled with two noiseless, finite-capacity digital links with a degraded broadcasting structure,...
Provided by The Pennsylvania State University
-
Whitepapers
Carbon-Aware Energy Capacity Planning for Datacenters
June 1, 2012, 12:00am PDT
Datacenters are facing increasing pressure to cap their carbon footprints at low cost. Recent work has shown the significant environmental benefits of using renewable energy for datacenters by...
Provided by The Pennsylvania State University
-
Whitepapers
Leveraging Value Locality in Optimizing NAND Flash-Based SSDs
March 9, 2011, 12:00am PST
NAND flash-based Solid-State Drives (SSDs) are increasingly being deployed in storage systems at different levels such as buffer-caches and even secondary storage. However, the poor reliability...
Provided by The Pennsylvania State University
-
Whitepapers
Middleware for a Re-Configurable Distributed Archival Store Based on Secret Sharing
December 8, 2010, 12:00am PST
Modern storage systems are often faced with complex trade-offs between the confidentiality, availability, and performance they offer their users. Secret sharing is a data encoding technique that...
Provided by The Pennsylvania State University
-
Whitepapers
FlashSim: A Simulator for NAND Flash-Based Solid-State Drives
May 4, 2009, 12:00am PDT
NAND Flash memory-based Solid-State Disks (SSDs) are becoming popular as the storage media in domains ranging from mobile laptops to enterprise-scale storage systems due to a number of benefits...
Provided by The Pennsylvania State University
-
Whitepapers
DFTL: A Flash Translation Layer Employing Demand-Based Selective Caching of Page-Level Address Mappings
August 1, 2008, 12:00am PDT
Recent technological advances in the development of flash-memory based devices have consolidated their leadership position as the preferred storage media in the embedded systems market and opened...
Provided by The Pennsylvania State University
-
Whitepapers
Sum-Rate Optimal Power Policies for Energy Harvesting Transmitters in an Interference Channel
February 27, 2012, 12:00am PST
This paper considers a two-user Gaussian interference channel with energy harvesting transmitters. Different than conventional battery powered wireless nodes, energy harvesting transmitters have...
Provided by The Pennsylvania State University
-
Whitepapers
Message and State Cooperation in a Relay Channel When Only the Relay Knows the State
February 3, 2011, 12:00am PST
A state-dependent relay channel is studied in which strictly causal channel state information is available at the relay and no state information is available at the source and destination. The...
Provided by The Pennsylvania State University
-
Whitepapers
Multiple Access Channels With States Causally Known at Transmitters
November 30, 2010, 12:00am PST
The state-dependent Multiple Access Channel (MAC) is considered where the state sequences are known causally to the encoders. First, a MAC with two independent states each known causally to one...
Provided by The Pennsylvania State University
-
Whitepapers
MIMO Wiretap Channels With Arbitrarily Varying Eavesdropper Channel States
July 27, 2010, 12:00am PDT
In this paper, a class of information theoretic secrecy problems is addressed where the eavesdropper channel states are completely unknown to the legitimate parties. In particular, MIMO wiretap...
Provided by The Pennsylvania State University
-
Whitepapers
On the Energy-Delay Trade-Off of a Two-Way Relay Network
March 24, 2008, 12:00am PDT
The authors consider a three node network in which a pair of nodes with stochastic arrivals communicate with each other with the help of an intermediate relay. The bi-directional nature of the...
Provided by The Pennsylvania State University
-
Whitepapers
Secrecy Sum-Rates for the Multiple-Access Wire-Tap Channel With Ergodic Block Fading
September 28, 2007, 12:00am PDT
The authors consider a two-user multiple-access wiretap channel that undergoes ergodic block fading. In this scenario, there are two users are communicating with a base station in the presence of...
Provided by The Pennsylvania State University
-
Whitepapers
Graph Partitioning for Scalable Distributed Graph Computations
February 7, 2012, 12:00am PST
Inter-node communication time constitutes a significant fraction of the execution time of graph algorithms on distributed-memory systems. Global computations on large-scale sparse graphs with...
Provided by The Pennsylvania State University
-
Whitepapers
Graph Partitioning for Scalable Distributed Graph Computations
February 7, 2012, 12:00am PST
Inter-node communication time constitutes a significant fraction of the execution time of graph algorithms on distributed-memory systems. Global computations on large-scale sparse graphs with...
Provided by The Pennsylvania State University
-
Whitepapers
Secrecy Sum-Rates for the Multiple-Access Wire-Tap Channel With Ergodic Block Fading
September 28, 2007, 12:00am PDT
The authors consider a two-user multiple-access wiretap channel that undergoes ergodic block fading. In this scenario, there are two users are communicating with a base station in the presence of...
Provided by The Pennsylvania State University
-
Whitepapers
On the Energy-Delay Trade-Off of a Two-Way Relay Network
March 24, 2008, 12:00am PDT
The authors consider a three node network in which a pair of nodes with stochastic arrivals communicate with each other with the help of an intermediate relay. The bi-directional nature of the...
Provided by The Pennsylvania State University
-
Whitepapers
MIMO Wiretap Channels With Arbitrarily Varying Eavesdropper Channel States
July 27, 2010, 12:00am PDT
In this paper, a class of information theoretic secrecy problems is addressed where the eavesdropper channel states are completely unknown to the legitimate parties. In particular, MIMO wiretap...
Provided by The Pennsylvania State University
-
Whitepapers
Multiple Access Channels With States Causally Known at Transmitters
November 30, 2010, 12:00am PST
The state-dependent Multiple Access Channel (MAC) is considered where the state sequences are known causally to the encoders. First, a MAC with two independent states each known causally to one...
Provided by The Pennsylvania State University
-
Whitepapers
Message and State Cooperation in a Relay Channel When Only the Relay Knows the State
February 3, 2011, 12:00am PST
A state-dependent relay channel is studied in which strictly causal channel state information is available at the relay and no state information is available at the source and destination. The...
Provided by The Pennsylvania State University
-
Whitepapers
Sum-Rate Optimal Power Policies for Energy Harvesting Transmitters in an Interference Channel
February 27, 2012, 12:00am PST
This paper considers a two-user Gaussian interference channel with energy harvesting transmitters. Different than conventional battery powered wireless nodes, energy harvesting transmitters have...
Provided by The Pennsylvania State University
-
Whitepapers
DFTL: A Flash Translation Layer Employing Demand-Based Selective Caching of Page-Level Address Mappings
August 1, 2008, 12:00am PDT
Recent technological advances in the development of flash-memory based devices have consolidated their leadership position as the preferred storage media in the embedded systems market and opened...
Provided by The Pennsylvania State University
-
Whitepapers
FlashSim: A Simulator for NAND Flash-Based Solid-State Drives
May 4, 2009, 12:00am PDT
NAND Flash memory-based Solid-State Disks (SSDs) are becoming popular as the storage media in domains ranging from mobile laptops to enterprise-scale storage systems due to a number of benefits...
Provided by The Pennsylvania State University
-
Whitepapers
Middleware for a Re-Configurable Distributed Archival Store Based on Secret Sharing
December 8, 2010, 12:00am PST
Modern storage systems are often faced with complex trade-offs between the confidentiality, availability, and performance they offer their users. Secret sharing is a data encoding technique that...
Provided by The Pennsylvania State University
-
Whitepapers
Leveraging Value Locality in Optimizing NAND Flash-Based SSDs
March 9, 2011, 12:00am PST
NAND flash-based Solid-State Drives (SSDs) are increasingly being deployed in storage systems at different levels such as buffer-caches and even secondary storage. However, the poor reliability...
Provided by The Pennsylvania State University
-
Whitepapers
Carbon-Aware Energy Capacity Planning for Datacenters
June 1, 2012, 12:00am PDT
Datacenters are facing increasing pressure to cap their carbon footprints at low cost. Recent work has shown the significant environmental benefits of using renewable energy for datacenters by...
Provided by The Pennsylvania State University
-
White Papers
Degraded Broadcast Diamond Channels With Non-Causal State Information at the Source
March 8, 2012, 12:00am PST
A state-dependent degraded broadcast diamond channel is studied where the source-to-relays cut is modeled with two noiseless, finite-capacity digital links with a degraded broadcasting structure,...
Provided by The Pennsylvania State University
-
White Papers
Cost Sharing With Network Coding in Two-Way Relay Networks
October 2, 2009, 12:00am PDT
The authors consider a scenario in which two sources exchange stochastically varying traffic with the aid of a bidirectional relay that may perform network coding over the incoming packets. Each...
Provided by The Pennsylvania State University
-
White Papers
A Stochastic Model of the Damage Propagation in Database Systems
March 24, 2009, 12:00am PDT
Security defense tools like firewalls and antivirus software's are not sufficient to defend against dynamic threats to database systems. Successful attacks could not only seriously impair the...
Provided by The Pennsylvania State University
-
White Papers
Interference Channels With Strong Secrecy
October 14, 2009, 12:00am PDT
It is known that given the real sum of two independent uniformly distributed lattice points from the same nested lattice codebook, the eavesdropper can obtain at most 1 bit of information per...
Provided by The Pennsylvania State University
-
White Papers
Distributed Critical Location Coverage in Wireless Sensor Networks With Lifetime Constraint
January 9, 2012, 12:00am PST
In many surveillance scenarios, there are some known critical locations where the events of concern are expected to occur. A common goal in such applications is to use sensors to monitor these...
Provided by The Pennsylvania State University
-
White Papers
Robust Topology Control in Multi-Hop Cognitive Radio Networks
January 9, 2012, 12:00am PST
The opening of under-utilized spectrum creates the opportunity of substantial performance improvement through cognitive radio techniques. However, the real network performance may be limited since...
Provided by The Pennsylvania State University
-
White Papers
Optimal Recovery From Large-Scale Failures in IP Networks
March 13, 2012, 12:00am PDT
Quickly recovering IP networks from failures is critical to enhancing Internet robustness and availability. Due to their serious impact on network routing, large-scale failures have received...
Provided by The Pennsylvania State University
-
White Papers
Distributed Maintenance of Cache Freshness in Opportunistic Mobile Networks
March 15, 2012, 12:00am PDT
Opportunistic mobile networks consist of personal mobile devices which are intermittently connected with each other. Data access can be provided to these devices via cooperative caching without...
Provided by The Pennsylvania State University
-
White Papers
Network Service Description and Discovery for the Next Generation Internet
January 12, 2010, 12:00am PST
The next generation Internet will face new challenges due to the coexisting heterogeneous networks and highly diverse networking applications. Therefore how to coordinate heterogeneous networking...
Provided by The Pennsylvania State University
-
White Papers
7 Things You Need to Know About Location-Aware Technologies
May 29, 2007, 12:00am PDT
Location-aware technology is a general term for technology that can determine its own geographical location. A familiar example is the Global Positioning System (GPS) - the navigation system that...
Provided by The Pennsylvania State University
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