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Institute of Electrical and Electronics Engineers
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Interactive Coordinated Multiple-View Visualization of Biomechanical Motion Data
June 26, 2009, 12:00am PDT
This paper presents an interactive framework for exploring space-time relationships in databases of experimentally collected high-resolution biomechanical data. These data describe complex 3D...
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SellTrend: Inter-Attribute Visual Analysis of Temporal Transaction Data
July 30, 2009, 12:00am PDT
This paper presents a case study of the experience designing SellTrend, a visualization system for analyzing airline travel purchase requests. The relevant transaction data can be characterized as...
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Predictor-Corrector Schemes for Visualization of Smoothed Particle Hydrodynamics Data
November 1, 2009, 12:00am PDT
This paper presents a method for vortex core line extraction which operates directly on the Smoothed Particle Hydrodynamics (SPH) representation and, by this, generates smoother and more...
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Visualizing Diffusion Tensor Imaging Data With Merging Ellipsoids
August 7, 2009, 12:00am PDT
Diffusion tensor fields reveal the underlying anatomical structures in biological tissues such as neural fibers in the brain. Most current methods for visualizing the diffusion tensor field can be...
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The Web Service Browser: Automatic Client Generation and Efficient Data Transfer for Web Services
July 14, 2009, 12:00am PDT
Web services are supported by almost all major software vendors, but nevertheless there is still a certain barrier that prevents a broader user community to actually use them. The barrier is the...
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Joint Uplink and Downlink Optimization for Real-Time Multiuser Video Streaming Over WLANs
August 1, 2007, 12:00am PDT
In this paper, a network-aware and source-aware video streaming system is proposed to support interactive multiuser communications within single-cell and multicell IEEE 802.11 networks. Unlike the...
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A Finite State Model for IEEE 802.11 Wireless LAN MAC DCF
May 26, 2009, 12:00am PDT
The international standard IEEE 802.11 Wireless LAN protocol is a popular standard for wireless local area networks. Its Medium Access Control layer (MAC) is a Carrier Sense Multiple Access with...
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Performance and Power Optimization Through Data Compression in Network-on-Chip Architectures
January 24, 2008, 12:00am PST
The trend towards integrating multiple cores on the same die has accentuated the need for larger on-chip caches. Such large caches are constructed as a multitude of smaller cache banks...
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On Capture Power-Aware Test Data Compression for Scan-Based Testing
October 8, 2008, 12:00am PDT
Large test data volume and high test power are two of the major concerns for the industry when testing large integrated circuits. With given test cubes in scan-based testing, the "Don't-care" bits...
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An Information-Theoretic View of Network-Aware Malware Attacks
May 27, 2009, 12:00am PDT
This work provides an information-theoretic view to better understand the relationships between aggregated vulnerability information viewed by attackers and a class of randomized epidemic scanning...
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White Papers
Mems Sugar Enabled Nano-Modeling of Elements in Hard Disk Drive System Along With Reliability Implications
February 20, 2010, 12:00am PST
The paper has demonstrated the impact of developments in nanotechnology to Hard Disk Drive (HDD) technology. The paper has put forth a proposition to enhance the modeling of future storage devices...
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SLA Monitoring and Management Framework for Telecommunication Services
February 16, 2008, 12:00am PST
This paper presents SLA monitoring and management framework for telecommunication services. The basic requirements of this class of systems are specified and verified in context of existing SLA...
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Toward Consolidated Tactical Network Architecture: A Modeling and Simulation Study
July 14, 2009, 12:00am PDT
A consolidated tactical network architecture provides an integrated shipboard local area network infrastructure for disparate afloat platforms operating with multiple security level enclaves. In...
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A Network Memory Architecture Model and Performance Analysis
December 5, 2008, 12:00am PST
High-speed electrical circuit and optical interconnection technique bring one high-bandwidth and low-delay network. It is possible to use network memory to satisfy the memory bandwidth and...
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White Papers
Scalable Directory Services Using Proactivity
January 1, 2010, 12:00am PST
Common to computational grids and pervasive computing is the need for an expressive, efficient, and scalable directory service that provides information about objects in the environment. The paper...
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White Papers
Distributed Contention Avoidance in Optical Burst-Switched Ring Networks
November 15, 2008, 12:00am PST
Optical Burst Switching (OBS) is a promising technology for future optical networks. Due to its less complicated implementation using current optical and electrical components, OBS is seen as the...
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Cross-Layer Communication With an Optical Packet Switched Network Via a Message Injection Control Interface
June 15, 2008, 12:00am PDT
Optical Packet Switching (OPS) can offer a valuable approach for dynamically managing the vast growth of high throughput traffic in next-generation routers and high-performance computing systems....
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White Papers
Radio Access Network Traffic Generation for Mobile Switching Center
December 16, 2009, 12:00am PST
One of the challenges faced by telecom companies is to provide robust and powerful servers that are capable to handle the great increase of the number of subscribers and to accomplish the heavy...
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White Papers
Multi-Mode Message Passing Switch Networks Applied for QC-LDPC Decoder
June 9, 2008, 12:00am PDT
The multi-mode message passing switch networks for multi-standard QC-LDPC decoder are presented. An enhanced self-routing switch network with only one barrel shifter permutation structure and a...
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White Papers
On Avoiding-Minimizing Burst Collisions in Optical Burst-Switched Networks Without Wavelength Conversion
June 13, 2009, 12:00am PDT
In this paper, a new MAC protocol for OBS networks is introduced, described and evaluated. Into operation, DAOBS avoids burst collisions in the core of the network by controlling the way OBS nodes...
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White Papers
Field-Modulated Packet Forwarding Chips for Label-Switched Optical Routing
December 8, 2009, 12:00am PST
Wavelength Division Multiplexing (WDM) has become the enabling technology for utilizing the available Bandwidth (BW) in fiber optic links. However, as BW usage increases, the capacity of the...
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White Papers
Design and Implementation of the High Speed TCP/IP Offload Engine
August 26, 2009, 12:00am PDT
As the growth of Ethernet speed surpassed the growth of microprocessor performance. TCP/IP Offload Engine (TOE) technology has emerged and aimed at not only releasing servers and communication...
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White Papers
A Statistical Approach to TCP Session Classification
April 25, 2008, 12:00am PDT
Government computer networks need a real-time network traffic monitoring tool to detect anomalies in network traffic patterns to improve security. Specifically, they need a tool to determine if a...
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White Papers
Inter-Domain Routing Scalability in Optical DWDM Networks
March 1, 2008, 12:00am PST
Recent studies on inter-domain DWDM networks have focused on topology abstraction for state summarization, i.e., transforming a physical topology to a virtual mesh, tree, or star network. Although...
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White Papers
A Network Optimization Model for Multi-Layer IP/MPLS Over OTN/DWDM Networks
October 1, 2009, 12:00am PDT
The operational model for large Internet service providers is moving to a multi-layer architecture consisting of IP/MPLS coupled with OTN/DWDM. While there has been significant work on multi-layer...
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Evolutionary Study of Phishing
November 10, 2008, 12:00am PST
This paper studies the evolution of phishing email messages in a corpus of over 380,000 phishing messages collected from August 2006 to December 2007. The first result is a classification of...
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White Papers
Email Shape Analysis for Spam Botnet Detection
September 3, 2009, 12:00am PDT
Botnets have become the major sources of spamming, which generates massive unwanted traffic on networks. An effective detection mechanism can greatly mitigate the problem. This paper presents a...
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Improving the Efficiency of Spam Filtering Through Cache Architectures
July 3, 2009, 12:00am PDT
Blacklists (BLs), also called Domain Name Systembased Blackhole List (DNSBLs) are the databases of known internet addresses used by the spammers to send out the spam mails. Mail servers use these...
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High-Resolution Glyph-Inspection Based Security System
March 21, 2010, 12:00am PDT
This paper describes the use of a 1:1 magnification 3.5 micron true resolution Dyson Relay lens-based 3 MPixel USB CMOS imaging device (DR CID) and software forensic image analysis system. The...
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White Papers
Architecture to Integrate Multiple PONs With Long Reach DWDM Backhaul
February 1, 2009, 12:00am PST
This paper demonstrates the feasibility of an architecture that consolidates a number of deployed Passive Optical Network (PON) infrastructures into a long-reach, high-split ratio system which...
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White Papers
Measurements on Passive Tunable Optical Filters for DWDM
April 20, 2009, 12:00am PDT
Measurements on a passive optical fibre tunable filter are presented. The device is based on a loop mirror in a ring resonator. The loop mirror allows tuning by changing the coupling coefficient...
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DWDM-RAM: An Architecture for Data Intensive Services Enabled by Next Generation Dynamic Optical Networks
July 24, 2009, 12:00am PDT
An architecture is proposed for data-intensive services enabled by next generation dynamic optical networks. The architecture supports new data communication services that allow for coordinating...
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DWDM-RAM: Enabling Grid Services With Dynamic Optical Networks
July 25, 2009, 12:00am PDT
Advances in Grid technology enable the deployment of data-intensive distributed applications, which require moving Terabytes or even Petabytes of data between data banks. The current underlying...
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White Papers
Work in Progress - SpreadSheet Implementation Programming Project Course
October 25, 2008, 12:00am PDT
Development of a course and textbook focusing on implementation of a spreadsheet program is proposed. The semester-long course will be suitable as a senior elective or graduate course for students...
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Queueing Model Based Network Server Performance Control
February 19, 2009, 12:00am PST
Controlling the timing performance of a network server is a challenging problem. This paper presents a Queueing Model Based Feedback Control approach to keep the timing performance of a network...
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White Papers
High Performance Solid State Storage Under Linux
April 12, 2010, 12:00am PDT
Solid State Drives (SSDs) allow single-drive performance that is far greater than disks can produce. Their low latency and potential for parallel operations mean that they are able to read and...
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White Papers
The Case for Cloud Computing
March 6, 2009, 12:00am PST
Cloud computing doesn't yet have a standard definition, but a good working description of it is to say that clouds, or clusters of distributed computers, provide on-demand resources and services...
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Cloud Computing for the Sciences
June 3, 2009, 12:00am PDT
What exactly is cloud computing, and how is it important to science and engineering? This simple-looking question turns out to be hard to answer. According to Wikipedia, "Cloud computing is a...
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End-User Service Computing: Spreadsheets as a Service Composition Tool
December 1, 2008, 12:00am PST
This paper shows how spreadsheets, an end-user development paradigm proven to be highly productive and simple to learn and use, can be used for complex service compositions. The paper identifies...
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White Papers
Concurrent Architecture for Automated Malware Classification
November 14, 2009, 12:00am PST
This paper introduces a new architecture for automating the generalization of program structure and the recognition of common patterns in the area of malware analysis. By using massively parallel...
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Whitepapers
Peak-to-Average Power Reduction in MIMO-OFDM by Spatial Nulling
March 11, 2008, 12:00am PDT
In this paper, a novel method of reducing the Peak-to-Average-Power ratio (PAR) of multi-antenna OFDM systems is presented. The PAR is reduced by the addition of a PAR reduction signal to the...
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Whitepapers
A New Receiver Structure for DFT Spread OFDM (DFT-SOFDM) in Time-Selective Fading Channel
March 11, 2008, 12:00am PDT
The transmission of a Discrete Fourier Transform Spread Orthogonal Frequency Division Multiplexing (DFTSOFDM) signal through a time-selective fading channel suffers from severe performance...
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Whitepapers
Efficient Re-Keying Scheme for Group Key Distribution
March 11, 2008, 12:00am PDT
In this paper, the authors propose a communication-efficient re-keying scheme by using a polynomial-based efficient code method. Compared with the previous schemes, the re-keying cost is...
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Whitepapers
Intelligent Weather Systems with Fuzzy Logic Controller for Satellite Networks
March 11, 2008, 12:00am PDT
Weather attenuations can have a distorting effect on signal fidelity above 10 GHz that lead to excessive digital transmission error. This loss of signal is commonly referred to as signal...
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Pseudo-Error Probability-Based Estimation of SNR for BPSK and QPSK Modulated Signals
March 11, 2008, 12:00am PDT
Signal-to-Noise Ratio (SNR) estimation is an important issue in many communication systems. This paper proposed a new Non-Data-Aided (NDA) SNR estimator for BPSK and QPSK modulated signals. The...
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Performance Analysis of a PASD Antenna System In Rayleigh Fading Channels
March 11, 2008, 12:00am PDT
In this paper, the authors analyze the performance of a communication system that employs Protocol Assisted Switched Diversity (PASD) antennas under Rayleigh fading channel conditions. The PASD...
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Whitepapers
Error Performance of Pulse Shape Modulation for UWB Communication with MRC and EGC RAKE Receivers
March 11, 2008, 12:00am PDT
Ultra Wide Band (UWB) communications has recently attracted significant interests in academics and industry, due to the ruling by the Federal Communications Commission (FCC), which opened up...
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Decoding on Graphs: LDPC-Coded MISO Systems and Belief Propagation
March 11, 2008, 12:00am PDT
Due to the increasing demand for multimedia data transmission in wireless mobile systems, there is an evident need for increasing the spectral efficiency of cellular systems. With their high...
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On the Benefit of Decorrelation in Dual-Branch Switch-and-Stay Combining in Rician Fading
March 11, 2008, 12:00am PDT
The performance of a dual-branch decorrelator receiver operating in correlated Rayleigh and Rician fading channels in conjunction with Switch-and-Stay Combining (SSC) is analyzed and compared to...
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Low Complexity Joint Semiblind Detection for OFDM Systems over Time-Varying Channels
March 11, 2008, 12:00am PDT
Orthogonal Frequency Division Multiplexing (OFDM) modulation is widely used in communication systems to meet the demand for ever increasing data rates. In this paper, a low complexity joint...
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Distributed Linear Space-Time Convolutional Codes Achieving Asynchronous Full Cooperative Diversity With MMSE-DFE Receivers
March 11, 2008, 12:00am PDT
In user cooperative communications, time offsets among the relay nodes may distort the structure of a distributed space-time code, and therefore impair the diversity gain. In this paper, the...
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Cost Analysis of Channel Estimation in MIMO-OFDM for Software Defined Radio
March 11, 2008, 12:00am PDT
Channel State Information (CSI) is critical for the overall performance of wireless systems. Meanwhile, the estimation of CSI forms one of the most intensive tasks in radio baseband signal...
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A New Dynamic Group Key Management Scheme with Low Rekeying Cost
March 11, 2008, 12:00am PDT
To achieve secure group communications, it is critical to develop a secure group key management strategy to guarantee security of the group keys. In this paper, based on the forward security and...
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A Multi-Stage Hybrid Scheduler for Codebook-Based Precoding System
March 11, 2008, 12:00am PDT
Significant throughput gains can be obtained in multi-user wireless system by exploiting the combination of multi-user scheduling in Media Access Control (MAC) layer and MIMO spatial multiplexing...
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QoS for Ad Hoc Networks Using an Empirical Model
March 11, 2008, 12:00am PDT
Empirical models are a technique that has been used in research for a long time, and that proved to be capable of describe pseudo-random phenomena. In this paper, the authors present PREFAIRS, a...
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Double Repeat-Punctured Turbo Coded Cooperative Diversity Scheme
March 11, 2008, 12:00am PDT
In this paper, the authors present a new method that improves the performance of coded cooperation, especially in the error floor region. This method uses a modified repeat-punctured turbo code or...
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An Optimal Admission Control Policy for CDMA Multiple Antenna Systems with QoS Constraints
March 11, 2008, 12:00am PDT
An optimal Admission Control (AC) policy is proposed for a CDMA multiple antenna system, which can maximize the system throughput while simultaneously guaranteeing all Quality-of-Service (QoS)...
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Proposal for Radio Resource Allocation using Dummy Burst Definition in IEEE 802.16 Uplinks
March 11, 2008, 12:00am PDT
In IEEE 802.16 uplinks, the permutation of data on a frequency domain is performed when logical subchannels are transformed to physical subchannels to scatter deterioration of the radio...
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Design of 3G Wireless Networks with Access Concentrators
March 11, 2008, 12:00am PDT
The paper focuses on the design of a Third Generation (3G) wireless network employing traffic concentrators over the transport segment of the network. Thanks to their capability to achieve traffic...
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Line-of-Sight MIMO Transmission for Achieving High Capacity Fixed Point Microwave Radio Systems
March 11, 2008, 12:00am PDT
Despite the lack of rich scattering which is necessary for MIMO systems in mobile environments, this paper proposes Line-of-Sight MIMO systems with the highest MIMO capacity in some tens of GHz...
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Joint Impact of Quantization and Clipping on Single- and Multi-carrier Block Transmission Systems
March 11, 2008, 12:00am PDT
In this paper, the authors investigate the joint impact of quantization and clipping, caused by Analog-to-Digital Converters (ADCs) with low bit resolutions, on single- and multi-carrier block...
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On The Feedback Channel for MIMO Beamforming
March 11, 2008, 12:00am PDT
The question on how much feedback the authors need for MIMO beamforming is addressed in terms of the distortion and reliability of MIMO beamforming feedback in this paper. They model MIMO...
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A Novel Radio Resource Management Approach for QoS Provisioning in Multi-Service Multi-Slot OFDMA Systems
March 11, 2008, 12:00am PDT
In this paper, the authors propose a novel and efficient OFDMA radio resource management approach based on standard Linear Programming theory. Their approach overcomes the drawbacks of previously...
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Cross-Layer Optimization based on Partial Local Knowledge
March 11, 2008, 12:00am PDT
In this paper, the authors consider decentralized cross-layer optimization for multichannel random access with partial-local knowledge. In the network scenario considered, users are not...
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Real-time Audio Distribution Over Proximity Connections Using Smart Phones
March 11, 2008, 12:00am PDT
A powerful use case for voice recording is the case of meetings and other social events. A single recorder is a point device which has a local perspective of the event, meaning that it can record...
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Two-layer CI Phase Coding Interference Cancellation and Detection of Uplink Broadband Wireless Access System
March 11, 2008, 12:00am PDT
Multi-carrier OFDM-CDMA has a range of advantages that make ideal for high data rate wireless access system. A two-layer Carrier Interferometry (CI) phase coding approach is proposed for enhancing...
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Impact of Contention Window Cheating on Single-hop IEEE 802.11e MANETs
March 11, 2008, 12:00am PDT
In this paper, the authors present a work in progress which deals with the important and unresolved problem of node misbehavior. A realistic approach is used to determine the impact of contention...
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An Improved Method for GPS-based Network Position Location in Forests
March 11, 2008, 12:00am PDT
In this paper, the authors present a technique for improving the location performance based on the Global Positioning System (GPS) for networks of nodes in harsh environments and demonstrate its...
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Lattice Reduction aided Precoding Combined with SDM for Clusters of Correlated Users
March 11, 2008, 12:00am PDT
The authors present a Lattice Reduction (LR) aided precoding scheme combined with Spatial Division Multiplexing (SDM) for clusters of correlated multiple users. Previously, the LR aided precoding...
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An Efficient and Fair Scheduling Scheme for Multiuser OFDM Wireless Networks
March 11, 2008, 12:00am PDT
In this paper, the authors propose a new MAC scheduling scheme for efficient support of multimedia services in multiuser OFDM wireless networks, both in the uplink and in the downlink. This scheme...
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An On-line Access Selection Algorithm for ABC Networks Supporting Elastic Services
March 11, 2008, 12:00am PDT
The problem of Access Selection (AS) for multi-access networks has for long been addressed by both the standardization and research communities. As a result, a number of papers have proposed...
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Throughput Analysis of WiMAX Based Wireless Networks
March 11, 2008, 12:00am PDT
In this paper, the authors derive an analytical model that determines the conditions that lead to throughput-starvation in WiMAX-based networks. They limit their discussion to downlink traffic in...
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ECHO: A Quality of Service based Endpoint Centric Handover scheme for VoIP
March 11, 2008, 12:00am PDT
Existing terminal oriented handover mechanisms capable of meeting the strict delay bounds of real time applications such as VoIP do not consider the QoS of candidate handover networks. In this...
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A Suboptimal LQ Power Control Algorithm for a CDMA Wireless System
March 11, 2008, 12:00am PDT
In today's wireless systems, power control is an important problem which is related to the Quality-of-Service (QoS) and battery utilization at the mobile units. This problem is studied in this...
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Efficient Algorithm for Reducing Delay Variation on Delay-bounded Multicast Trees in Heterogeneous Networks
March 11, 2008, 12:00am PDT
In this paper, the authors investigate the construction of a multicast tree satisfying Quality of Service (QoS) real-time group communication in a heterogeneous network comprising multiple Mobile...
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Performance Enhancement for Mobility Management in Wireless LANs
March 11, 2008, 12:00am PDT
Due to the small radio area covered by an Access Point (AP), handoffs frequently occur in Wireless Local Area Networks (WLANs) as Mobile Stations (MSs) move their associations from one AP to...
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Dynamic Bandwidth Partition with Finer-Tune (DPFT) Scheme for Multimedia IEEE 802.11e WLANs
March 11, 2008, 12:00am PDT
The Medium Access Control (MAC) layer is very fundamental for wired/wireless networks, such as Ethernet and IEEE 802.11 WLAN. In mobile cellular networks, bandwidth is deterministic in terms of...
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Impact of Channel Models on Adaptive M-QAM Modulation for MIMO Systems
March 11, 2008, 12:00am PDT
In this paper, the authors examine an adaptively modulated Open Loop MIMO (OL-MIMO) system that uses a modified V-BLAST transmission technique with limited feedback and a Closed Loop MIMO system...
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A Coverage-Based Handover Algorithm for High-Speed Data Service
March 11, 2008, 12:00am PDT
4G supports various types of services. The coverage of high-speed data service is smaller than that of low-speed data service, which make the high-speed data service users occur dropping before...
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Soft-output MMSE MIMO Detector under Imperfect Channel Estimation
March 11, 2008, 12:00am PDT
In reality, this is no such thing as perfect channel estimation. But unfortunately, channel estimation errors have never been taken into account by conventional soft-output Minimum Mean Square...
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