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University of Northern Iowa
(28 results)-
White Papers
Development of an Application-Oriented Wireless Communication Networks Course for Engineering Technology Program
April 13, 2010, 12:00am PDT
The use of wireless networks continues to grow rapidly. New wireless technologies and standards are keeping on emerging. To prepare the graduates in Electrical Engineering Technology (EET) program...
Provided by University of Northern Iowa
-
White Papers
BGP Route Analysis and Management Systems
August 3, 2009, 12:00am PDT
The Border Gateway Protocol (BGP) is an important component in today's IP network infrastructure. As the main routing protocol of the Internet, clear understanding of its dynamics is crucial for...
Provided by University of Northern Iowa
-
Whitepapers
Grid Computing: The Next Decade
October 11, 2012, 12:00am PDT
The evolution of the global scientific Cyber Infrastructure (CI) has, over the last 10+ years, led to a large diversity of CI instances. While specialized, competing and alternative CI building...
Provided by University of Northern Iowa
-
Whitepapers
A Random Coding Approach to Gaussian Multiple Access Channels With Finite Blocklength
October 8, 2012, 12:00am PDT
Contrary to the common use of random coding and typicality decoding for the achievability proofs in information theory, the tightest achievable rates for point-to-point Gaussian channels build...
Provided by University of Northern Iowa
-
Whitepapers
Intermittent Communication and Partial Divergence
October 7, 2012, 12:00am PDT
The authors formulate a model for intermittent communication in which the transmissions of information symbols are bursty or the channel is sporadically available. They consider a general scenario...
Provided by University of Northern Iowa
-
Whitepapers
Error Exponents for Block Markov Superposition Encoding With Varying Decoding Latency
July 11, 2012, 12:00am PDT
Block Markov superposition encoding has been used on a number of channels to enable transmitter cooperation, including the Decode-and-Forward (DF) relaying scheme on the full-duplex relay channel....
Provided by University of Northern Iowa
-
Whitepapers
AWGN Channel Analysis of Terminated LDPC Convolutional Codes
February 18, 2011, 12:00am PST
It has previously been shown that ensembles of terminated protograph-based Low-Density Parity-Check (LDPC) convolutional codes have a typical minimum distance that grows linearly with block length...
Provided by University of Northern Iowa
-
Whitepapers
Quasi-Cyclic Asymptotically Regular LDPC Codes
July 2, 2010, 12:00am PDT
Families of asymptotically regular LDPC block code ensembles can be formed by terminating (J,K)-regular protograph-based LDPC convolutional codes. By varying the termination length, the authors...
Provided by University of Northern Iowa
-
Whitepapers
Asymptotic Trapping Set Analysis of Regular Protograph-Based LDPC Convolutional Code Ensembles
February 4, 2009, 12:00am PST
It has been suggested that "Near-code-words" may be a significant factor affecting decoding failures of LDPC codes over the AWGN channel. A near-codeword is a sequence that satisfies almost all of...
Provided by University of Northern Iowa
-
Whitepapers
New Families of LDPC Block Codes Formed by Terminating Irregular Protograph-Based LDPC Convolutional Codes
May 6, 2010, 12:00am PDT
In this paper, the authors present a method of constructing new families of LDPC block code ensembles formed by terminating irregular protograph-based LDPC convolutional codes. Using the...
Provided by University of Northern Iowa
-
Whitepapers
Parameterizing Access Control for Heterogeneous Peer-to-Peer Applications
June 12, 2007, 12:00am PDT
Peer-to-peer overlays are being used for domain name resolution, massive multiplayer games, cooperative spam filtering, content sales and distribution, digital libraries, and data storage. As a...
Provided by University of Northern Iowa
-
Whitepapers
Optimizing Spatial Reuse by Dynamic Power Control
May 24, 2012, 12:00am PDT
This paper first presents a geometric analysis of the convergence condition for the Foschini-Miljanic power control algorithm. Then, based on the analysis, the Dynamic Distributed Power Control...
Provided by University of Northern Iowa
-
Whitepapers
A Practical Approach to Strengthen Vulnerable Downlinks Using Superposition Coding
May 24, 2012, 12:00am PDT
The authors propose and experimentally demonstrate a novel approach to improve the packet delivery efficiency on a vulnerable downlink (e.g., from a transmitter to a far-away receiver) using...
Provided by University of Northern Iowa
-
Whitepapers
Two New Approaches to Bandwidth-Efficient Partnering for Cooperative Diversity
March 12, 2012, 12:00am PDT
This paper presents two new techniques employing bandwidth-efficient modulation to enable two partners to cooperatively convey their data to a common destination. Both approaches integrate...
Provided by University of Northern Iowa
-
Whitepapers
On the (Non-)Reusability of Fuzzy Sketches and Extractors and Security Improvements in the Computational Setting
October 29, 2012, 12:00am PDT
Secure sketches and fuzzy extractors enable the use of biometric data in cryptographic applications by correcting errors in noisy biometric readings and producing cryptographic materials suitable...
Provided by University of Northern Iowa
-
Whitepapers
Secure Computation on Floating Point Numbers
December 10, 2012, 12:00am PST
Secure computation undeniably received a lot of attention in the recent years, with the shift toward cloud computing offering a new incentive for secure computation and outsourcing. Surprisingly...
Provided by University of Northern Iowa
-
Whitepapers
Efficient Dynamic Provable Possession of Remote Data via Update Trees
May 24, 2012, 12:00am PDT
The emergence and wide availability of remote storage service providers prompted work in the security community that allows a client to verify integrity and availability of the data that she...
Provided by University of Northern Iowa
-
Whitepapers
Cost-And Deadline-Constrained Provisioning for Scientific Workflow Ensembles in IaaS Clouds
July 20, 2012, 12:00am PDT
Large-scale applications expressed as scientific workflows are often grouped into ensembles of inter-related workflows. In this paper, the authors address a new and important problem concerning...
Provided by University of Northern Iowa
-
Whitepapers
An Evaluation of the Cost and Performance of Scientific Workflows on Amazon EC2
February 17, 2012, 12:00am PST
Workflows are used to orchestrate data-intensive applications in many different scientific domains. Workflow applications typically communicate data between processing steps using intermediate...
Provided by University of Northern Iowa
-
Whitepapers
Fast Admission Control for Short TCP Flows
October 27, 2009, 12:00am PDT
Over the last decade, numerous admission control schemes have been studied to allocate network resources. Although per-flow control schemes can provide guaranteed QoS, such schemes face...
Provided by University of Northern Iowa
-
Whitepapers
Component Approach to Computational Applications on Clouds
April 6, 2011, 12:00am PDT
Running computational science applications on the emerging cloud infrastructures requires appropriate programming models and tools. In this paper, the authors investigate the applicability of the...
Provided by University of Northern Iowa
-
Whitepapers
On Decoding the Kth Strongest User in Poisson Networks With Arbitrary Fading Distribution
April 28, 2013, 12:00am PDT
Consider a d-dimensional network whose transmitters form a non-uniform Poisson point process and whose links are subject to arbitrary fading. Assuming interference from the k-1 strongest users is...
Provided by University of Northern Iowa
-
Whitepapers
The Aggregate Throughput in Random Wireless Networks With Successive Interference Cancellation
April 27, 2013, 12:00am PDT
The feasibility of Successive Interference Cancellation (SIC) depends on the received power ordering from different users, which, in turn, depends on the fading distribution, path loss function...
Provided by University of Northern Iowa
-
Whitepapers
Joint Channel/Network Coding for Star Networks
April 26, 2013, 12:00am PDT
Channel coding alone is not sufficient to reliably transmit a message of finite length from a source to one or more destinations as in, e.g., file transfer. To ensure that no data is lost, it must...
Provided by University of Northern Iowa
-
Whitepapers
Delay Scaling in Poisson Networks
April 12, 2013, 12:00am PDT
The local delay, defined as the mean time it takes a node to connect to its nearest neighbor, is a fundamental performance metric in a wireless network. For a network with Poisson distributed...
Provided by University of Northern Iowa
-
Whitepapers
Transport Density Vs. Channel Access Time in Wireless Networks: Power Control and Efficient MAC Design
August 28, 2012, 12:00am PDT
Power control plays an important role in the design and operation of wireless networks. In this paper, the authors first define two critical metrics, transport density and channel access time to...
Provided by University of Northern Iowa
-
Whitepapers
ALOHA Performs Optimal Power Control in Poisson Networks
January 31, 2012, 12:00am PST
This paper studies power control strategies in interference-limited wireless networks with Poisson distributed nodes. The authors focus on the case where each transmitter knows its distance to its...
Provided by University of Northern Iowa
-
Whitepapers
A Case Study in Elastic Scientific Application Design Using Work Queue
August 24, 2012, 12:00am PDT
The resources offered by clusters, clouds, and grids are appealing to high performance scientific workflows that can harness and federate these resources to achieve scales required to contribute...
Provided by University of Northern Iowa
-
Whitepapers
A Case Study in Elastic Scientific Application Design Using Work Queue
August 24, 2012, 12:00am PDT
The resources offered by clusters, clouds, and grids are appealing to high performance scientific workflows that can harness and federate these resources to achieve scales required to contribute...
Provided by University of Northern Iowa
-
Whitepapers
ALOHA Performs Optimal Power Control in Poisson Networks
January 31, 2012, 12:00am PST
This paper studies power control strategies in interference-limited wireless networks with Poisson distributed nodes. The authors focus on the case where each transmitter knows its distance to its...
Provided by University of Northern Iowa
-
Whitepapers
Transport Density Vs. Channel Access Time in Wireless Networks: Power Control and Efficient MAC Design
August 28, 2012, 12:00am PDT
Power control plays an important role in the design and operation of wireless networks. In this paper, the authors first define two critical metrics, transport density and channel access time to...
Provided by University of Northern Iowa
-
Whitepapers
Delay Scaling in Poisson Networks
April 12, 2013, 12:00am PDT
The local delay, defined as the mean time it takes a node to connect to its nearest neighbor, is a fundamental performance metric in a wireless network. For a network with Poisson distributed...
Provided by University of Northern Iowa
-
Whitepapers
Joint Channel/Network Coding for Star Networks
April 26, 2013, 12:00am PDT
Channel coding alone is not sufficient to reliably transmit a message of finite length from a source to one or more destinations as in, e.g., file transfer. To ensure that no data is lost, it must...
Provided by University of Northern Iowa
-
Whitepapers
The Aggregate Throughput in Random Wireless Networks With Successive Interference Cancellation
April 27, 2013, 12:00am PDT
The feasibility of Successive Interference Cancellation (SIC) depends on the received power ordering from different users, which, in turn, depends on the fading distribution, path loss function...
Provided by University of Northern Iowa
-
Whitepapers
On Decoding the Kth Strongest User in Poisson Networks With Arbitrary Fading Distribution
April 28, 2013, 12:00am PDT
Consider a d-dimensional network whose transmitters form a non-uniform Poisson point process and whose links are subject to arbitrary fading. Assuming interference from the k-1 strongest users is...
Provided by University of Northern Iowa
-
Whitepapers
Component Approach to Computational Applications on Clouds
April 6, 2011, 12:00am PDT
Running computational science applications on the emerging cloud infrastructures requires appropriate programming models and tools. In this paper, the authors investigate the applicability of the...
Provided by University of Northern Iowa
-
Whitepapers
Fast Admission Control for Short TCP Flows
October 27, 2009, 12:00am PDT
Over the last decade, numerous admission control schemes have been studied to allocate network resources. Although per-flow control schemes can provide guaranteed QoS, such schemes face...
Provided by University of Northern Iowa
-
Whitepapers
An Evaluation of the Cost and Performance of Scientific Workflows on Amazon EC2
February 17, 2012, 12:00am PST
Workflows are used to orchestrate data-intensive applications in many different scientific domains. Workflow applications typically communicate data between processing steps using intermediate...
Provided by University of Northern Iowa
-
Whitepapers
Cost-And Deadline-Constrained Provisioning for Scientific Workflow Ensembles in IaaS Clouds
July 20, 2012, 12:00am PDT
Large-scale applications expressed as scientific workflows are often grouped into ensembles of inter-related workflows. In this paper, the authors address a new and important problem concerning...
Provided by University of Northern Iowa
-
Whitepapers
Efficient Dynamic Provable Possession of Remote Data via Update Trees
May 24, 2012, 12:00am PDT
The emergence and wide availability of remote storage service providers prompted work in the security community that allows a client to verify integrity and availability of the data that she...
Provided by University of Northern Iowa
-
Whitepapers
Secure Computation on Floating Point Numbers
December 10, 2012, 12:00am PST
Secure computation undeniably received a lot of attention in the recent years, with the shift toward cloud computing offering a new incentive for secure computation and outsourcing. Surprisingly...
Provided by University of Northern Iowa
-
Whitepapers
On the (Non-)Reusability of Fuzzy Sketches and Extractors and Security Improvements in the Computational Setting
October 29, 2012, 12:00am PDT
Secure sketches and fuzzy extractors enable the use of biometric data in cryptographic applications by correcting errors in noisy biometric readings and producing cryptographic materials suitable...
Provided by University of Northern Iowa
-
Whitepapers
Two New Approaches to Bandwidth-Efficient Partnering for Cooperative Diversity
March 12, 2012, 12:00am PDT
This paper presents two new techniques employing bandwidth-efficient modulation to enable two partners to cooperatively convey their data to a common destination. Both approaches integrate...
Provided by University of Northern Iowa
-
Whitepapers
A Practical Approach to Strengthen Vulnerable Downlinks Using Superposition Coding
May 24, 2012, 12:00am PDT
The authors propose and experimentally demonstrate a novel approach to improve the packet delivery efficiency on a vulnerable downlink (e.g., from a transmitter to a far-away receiver) using...
Provided by University of Northern Iowa
-
Whitepapers
Optimizing Spatial Reuse by Dynamic Power Control
May 24, 2012, 12:00am PDT
This paper first presents a geometric analysis of the convergence condition for the Foschini-Miljanic power control algorithm. Then, based on the analysis, the Dynamic Distributed Power Control...
Provided by University of Northern Iowa
-
Whitepapers
Parameterizing Access Control for Heterogeneous Peer-to-Peer Applications
June 12, 2007, 12:00am PDT
Peer-to-peer overlays are being used for domain name resolution, massive multiplayer games, cooperative spam filtering, content sales and distribution, digital libraries, and data storage. As a...
Provided by University of Northern Iowa
-
Whitepapers
New Families of LDPC Block Codes Formed by Terminating Irregular Protograph-Based LDPC Convolutional Codes
May 6, 2010, 12:00am PDT
In this paper, the authors present a method of constructing new families of LDPC block code ensembles formed by terminating irregular protograph-based LDPC convolutional codes. Using the...
Provided by University of Northern Iowa
-
Whitepapers
Asymptotic Trapping Set Analysis of Regular Protograph-Based LDPC Convolutional Code Ensembles
February 4, 2009, 12:00am PST
It has been suggested that "Near-code-words" may be a significant factor affecting decoding failures of LDPC codes over the AWGN channel. A near-codeword is a sequence that satisfies almost all of...
Provided by University of Northern Iowa
-
Whitepapers
Quasi-Cyclic Asymptotically Regular LDPC Codes
July 2, 2010, 12:00am PDT
Families of asymptotically regular LDPC block code ensembles can be formed by terminating (J,K)-regular protograph-based LDPC convolutional codes. By varying the termination length, the authors...
Provided by University of Northern Iowa
-
Whitepapers
AWGN Channel Analysis of Terminated LDPC Convolutional Codes
February 18, 2011, 12:00am PST
It has previously been shown that ensembles of terminated protograph-based Low-Density Parity-Check (LDPC) convolutional codes have a typical minimum distance that grows linearly with block length...
Provided by University of Northern Iowa
-
Whitepapers
Error Exponents for Block Markov Superposition Encoding With Varying Decoding Latency
July 11, 2012, 12:00am PDT
Block Markov superposition encoding has been used on a number of channels to enable transmitter cooperation, including the Decode-and-Forward (DF) relaying scheme on the full-duplex relay channel....
Provided by University of Northern Iowa
-
Whitepapers
Intermittent Communication and Partial Divergence
October 7, 2012, 12:00am PDT
The authors formulate a model for intermittent communication in which the transmissions of information symbols are bursty or the channel is sporadically available. They consider a general scenario...
Provided by University of Northern Iowa
-
Whitepapers
A Random Coding Approach to Gaussian Multiple Access Channels With Finite Blocklength
October 8, 2012, 12:00am PDT
Contrary to the common use of random coding and typicality decoding for the achievability proofs in information theory, the tightest achievable rates for point-to-point Gaussian channels build...
Provided by University of Northern Iowa
-
Whitepapers
Grid Computing: The Next Decade
October 11, 2012, 12:00am PDT
The evolution of the global scientific Cyber Infrastructure (CI) has, over the last 10+ years, led to a large diversity of CI instances. While specialized, competing and alternative CI building...
Provided by University of Northern Iowa
-
White Papers
BGP Route Analysis and Management Systems
August 3, 2009, 12:00am PDT
The Border Gateway Protocol (BGP) is an important component in today's IP network infrastructure. As the main routing protocol of the Internet, clear understanding of its dynamics is crucial for...
Provided by University of Northern Iowa
-
White Papers
Development of an Application-Oriented Wireless Communication Networks Course for Engineering Technology Program
April 13, 2010, 12:00am PDT
The use of wireless networks continues to grow rapidly. New wireless technologies and standards are keeping on emerging. To prepare the graduates in Electrical Engineering Technology (EET) program...
Provided by University of Northern Iowa
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