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network design
(5124 results)-
White Papers
Flow Level Performance Comparison of Packet Scheduling Schemes for UMTS EUL
Mar 2008
The Enhanced Up-Link (EUL) is expected to provide higher capacity, increased data rates and smaller latency on the communication link from users towards the network. A key mechanism in the EUL...
Provided by University of Twente
-
White Papers
The DISCO Network Calculator
Jan 2008
Network calculus was developed for use in IP and ATM networks. It aims to be a system theory for deterministic queuing, allowing to derive deterministic guarantees on throughput and delay, as well...
Provided by University of Kaiserslautern
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White Papers
Searching for Tight Performance Bounds in Feed-Forward Networks
Dec 2009
Computing tight performance bounds in feed-forward networks under general assumptions about arrival and server models has turned out to be a challenging problem. Recently it was even shown to be...
Provided by University of Kaiserslautern
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White Papers
Self-Organized Sink Placement in Large-Scale Wireless Sensor Networks
Jun 2009
The deficient energy supplies of Wireless Sensor Networks (WSNs) drives network designers to optimize energy consumption in various ways. Not only with regard to the energy issue, but also with...
Provided by University of Kaiserslautern
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White Papers
A Large Family of Multi-Path Dual Congestion Control Algorithms
Apr 2011
The goal of traffic management is efficiently utilizing network resources via adapting of source sending rates and routes selection. Traditionally, this problem is formulated into a utilization...
Provided by Cornell University
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White Papers
Anomaly Localization for Network Data Streams With Graph Joint Sparse PCA
Aug 2011
Determining anomalies in data streams that are collected and transformed from various types of networks has recently attracted significant research interest. Principal Component Analysis (PCA) has...
Provided by Association for Computing Machinery
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White Papers
Regularization and Feature Selection for Networked Features
Oct 2010
In the standard formalization of supervised learning problems, a datum is represented as a vector of features without prior knowledge about relationships among features. However, for many real...
Provided by Association for Computing Machinery
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White Papers
High Performance Vehicular Connectivity With Opportunistic Erasure Coding
May 2012
Motivated by poor network connectivity from moving vehicles, the authors develop a new loss recovery method called Opportunistic Erasure Coding (OEC). Unlike existing erasure coding methods, which...
Provided by Microsoft
-
White Papers
Walking on a Graph With a Magnifying Glass: Stratified Sampling Via Weighted Random Walks
Jun 2011
The authors' objective is to sample the node set of a large unknown graph via crawling, to accurately estimate a given metric of interest. They design a random walk on an appropriately defined...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Error and Attack Tolerance of Layered Complex Networks
Aug 2007
Many complex systems may be described by not one but a number of complex networks mapped on each other in a multi-layer structure. Because of the interactions and dependencies between these...
Provided by American Physical Society
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White Papers
Netscope: Practical Network Loss Tomography
Dec 2009
The authors present Netscope, a tomographic technique that infers the loss rates of network links from unicast end-to-end measurements. Netscope uses a novel combination of first- and second-order...
Provided by University of Adelaide
-
White Papers
Segment Based Inter-Networking to Accommodate Diversity at the Edge
Feb 2011
In this paper, the authors introduce Tapa, a network architecture that accommodates diversity at the network edge: different access networks, heterogeneous edge devices, and rich applications and...
Provided by Carnegie Mellon University
-
White Papers
XIA: Efficient Support for Evolvable Internetworking
Mar 2012
Motivated by limitations in today's host-centric IP network, recent studies have proposed clean-slate network architectures centered around alternate first-class principals, such as content,...
Provided by Carnegie Mellon University
-
White Papers
RPT: Re-Architecting Loss Protection for Content-Aware Networks
Mar 2012
The authors revisit the design of redundancy-based loss protection schemes in light of recent advances in content-aware networking. Content-aware networks minimizes the overhead of redundancy, if...
Provided by Carnegie Mellon University
-
White Papers
MicroTE: Fine Grained Traffic Engineering for Data Centers
Dec 2011
The effects of data center traffic characteristics on data center traffic engineering is not well understood. In particular, it is unclear how existing traffic engineering techniques perform under...
Provided by Association for Computing Machinery
-
White Papers
A Review of the Applications of Agent Technology in Traffic and Transportation Systems
Jun 2010
The agent computing paradigm is rapidly emerging as one of the powerful technologies for the development of large-scale distributed systems to deal with the uncertainty in a dynamic environment....
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
PBProbe: A Capacity Estimation Tool for High Speed Networks
May 2008
Knowledge about the bottleneck capacity of an Internet path is critical for efficient network design, management, and usage. In this paper, the authors propose a new technique, called PBProbe, for...
Provided by University of California
-
White Papers
Adaptive Scheduling of Message Carrying in a Pigeon Network
Apr 2011
In adverse environments where real-time communications are not always available, a delay tolerant network may be the only choice. A special type of delay tolerant network known as a "Pigeon...
Provided by International Association for Sharing Knowledge and Sustainability (IASKS)
-
White Papers
EMP: A Protocol for IP-Based Wireless Sensor Networks Management
Apr 2011
Wireless Sensor Networks (WSNs) have attracted significant research interest in recent years because of their suitability to a vast range of real world applications. The envisioned Internet...
Provided by International Association for Sharing Knowledge and Sustainability (IASKS)
-
White Papers
Trigger-Based Intelligent Controller for Distributed SCADA Systems
Aug 2011
In this paper, the authors take advantage of the power of database-triggers in industrial field to build a trigger-based Intelligent Controller for Distributed SCADA Systems to provide fast...
Provided by International Association for Sharing Knowledge and Sustainability (IASKS)
-
White Papers
Transmission Throughput of Decentralized Overlaid Networks With Outage Constraints
Feb 2011
Overlaid networks, typically composed of primary and secondary networks, are emerging as a viable candidate to resolve the conflict between increasing demand for spectrum and spectrum shortage....
Provided by North Carolina State University
-
White Papers
A Novel Approach to Grid Sensor Networks
Dec 2008
A novel approach to information processing in grid sensor networks is presented. Based on the Fornasini-Marchesini (FM) model, this highly scalable method can implement any general linear system...
Provided by Institute of Electrical & Electronic Engineers
-
White Papers
Longest Edge Routing on the Spatial Aloha Graph
Sep 2011
The Multihop Spatial Reuse Aloha (MSR-Aloha) protocol was recently introduced by Baccelli et al., where each transmitter selects the receiver among its feasible next hops that maximizes the...
Provided by Drexel University
-
White Papers
Geometry, Connectivity, and Broadcast Transport Capacity of Random Networks With Fading
Sep 2011
In ad hoc networks with random node distribution, the underlying point process model and the channel fading process are usually considered separately. The authors provide a unified framework for...
Provided by University of Notre Dame
-
White Papers
Cognitive Machine-to-Machine Communications: Visions and Potentials for the Smart Grid
May 2012
Based upon cognitive radio technology, the authors propose a new Machine-To-Machine (M2M) communications paradigm, namely Cognitive M2M (CM2M) communication. They first motivate the use of...
Provided by Institute of Electrical & Electronic Engineers
-
White Papers
Secondary Users Cooperation in Cognitive Radio Networks: Balancing Sensing Accuracy and Efficiency
Apr 2012
Cooperative spectrum sensing is a promising technique in cognitive radio networks by exploiting multi-user diversity to mitigate channel fading. Cooperative sensing is traditionally employed to...
Provided by Institute of Electrical & Electronic Engineers
-
White Papers
On the Statistics and MAC Implications of Channel Estimation Errors in MIMO Ad Hoc Networks
Aug 2008
In this paper, the authors propose an analytical technique to evaluate the statistics of the channel estimation error in a simple multi-user ad hoc networking scenario. This problem is very...
Provided by University of Padova
-
White Papers
On the Design of Routing Protocols for MIMO Ad Hoc Networks Under Uniform and Correlated Traffic
Oct 2008
In this paper, the authors investigate the effects of different routing choices in a MIMO ad hoc network. The MIMO physical layer provides a number of degrees of freedom that a correct protocol...
Provided by University of Padova
-
White Papers
Structured Variational Methods for Distributed Inference: Convergence Analysis and Performance-Complexity Tradeoff
Apr 2009
In this paper, the asymptotic performance of a recently proposed distributed inference framework, structured variational methods, is investigated. The authors first distinguish the intra- and...
Provided by North Carolina State University
-
White Papers
On the Performance of Closed-Loop Transmit Diversity With Noisy Channel Estimates and Finite-Depth Interleaved Convolutional Codes
Jan 2010
In this paper, closed-form expressions for the uncoded bit error probability of Closed-Loop Transmit Diversity (CLTD) algorithms with two transmit and one receive antennas and noisy Channel State...
Provided by Institute of Electrical & Electronic Engineers
-
White Papers
Architectural Analysis of a Smart DMA Controller for Protocol Stack Acceleration in LTE Terminals
Sep 2010
In this paper, the authors present an architectural analysis of a smart DMA (sDMA) controller for protocol stack acceleration in mobile devices supporting 3GPP's Long Term Evolution (LTE). This...
Provided by Institute of Electrical & Electronic Engineers
-
White Papers
Iterative Limited Feedback Beamforming for MIMO Ad-Hoc Networks
Oct 2009
In wireless MIMO ad-hoc networks, channel reciprocity is assumed to optimize transmit and receive beam-formers in conventional beamforming algorithms. But, when channels between nodes are not...
Provided by Institute of Electrical & Electronic Engineers
-
White Papers
Iterative Soft-In Soft-Out Sphere Detection for 3GPP LTE
Mar 2010
3GPP LTE has become a hot topic in recent years. One of its main challenges is the computationally intense task of MIMO detection. This paper investigates MIMO detection methods based on Sphere...
Provided by Technische Universitat Dresden
-
White Papers
Performance of the LTE Uplink With Intra-Site Joint Detection and Joint Link Adaptation
Jan 2010
The authors evaluate the performance of the uplink of a 3GPP UTRAN Long Term Evolution (LTE) system with intra-site cooperation, where different sectors belonging to the same site may cooperate...
Provided by University of Stuttgart
-
White Papers
Fair Performance Comparison Between CQI- And CSI-Based MU-MIMO for the LTE Downlink
Feb 2010
The authors compare the performance of the downlink of a 3GPP UTRAN Long Term Evolution (LTE) system with MultiUser (MU) Multiple Input Multiple Output (MIMO) support and Channel State Information...
Provided by Deutsche Telekom
-
White Papers
Fountain Codes and Their Application to Broadcasting in Underwater Networks: Performance Modeling and Relevant Tradeoffs
Sep 2008
The authors' aim in this paper is to study the performance of broadcasting algorithms for UnderWater Acoustic Sensor Networks (UWASNs). The targeted scenario is very simple; they consider a source...
Provided by Association for Computing Machinery
-
White Papers
Power Allocation for Multi-Access Two-Way Relaying
Aug 2009
The authors consider a multi-access two-way relay network where multiple pairs of users exchange information with their pre-assigned partners with the assistance of an intermediate relay node....
Provided by Institute of Electrical & Electronic Engineers
-
White Papers
Buddy Routing: A Routing Paradigm for NanoNets Based on Physical Layer Network Coding
Mar 2012
NanoNets are networks of nanomachines at extremely small dimensions, on the order of nanometers or micrometers. Recent advances in physics and engineering have made basic computing and...
Provided by University of Calgary
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White Papers
Joint Pricing and Cognitive Radio Network Selection: A Game Theoretical Approach
Mar 2012
This paper addresses the joint pricing and network selection problem in cognitive radio networks, considering both the point of view of network users and the Primary Operator. The problem is...
Provided by INRIA
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White Papers
Bounding the Power of Combination Network Coding in Undirected Networks
Apr 2011
The authors refer to network coding schemes in which information flows propagate along a combination network topology as Combination Network Coding (CNC). CNC and its variations are the first...
Provided by University of Calgary
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White Papers
Capacity Provisioning a Valiant Load-Balanced Network
May 2009
Valiant Load Balancing (VLB), also called two-stage load balancing, is gaining popularity as a routing scheme that can serve arbitrary traffic matrices. To date, VLB network design is well...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
On Design of Scheduling Algorithms for Advance Bandwidth Reservation in Dedicated Networks
Jul 2008
There are an increasing number of high performance networks that provision dedicated channels through circuit-switching or MPLS/GMPLS techniques to support large scale data transfer. The available...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Hierarchical Up/Down Routing Architecture for Ethernet Backbones and Campus Networks
Jul 2008
The authors describe a new layer two distributed and scalable routing architecture. It uses an automatic hierarchical node identifier assignment mechanism associated to the rapid spanning tree...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Towards a Federated Network Architecture
Jul 2008
The layered architecture that guided the design of the Internet is deemed inadequate as a reference model for engineering protocols for NGN. Layered protocol suites impose a strict sequential...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
A Topology Management Framework for Wireless Sensor Networks Via Power Control
Jul 2008
The communication topology plays a key rule in the overall network performance. Topology management via power control has been addressed by many researchers to attain better utilization of...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Distribution of Nodes in Disaster Area Scenarios and Its Impact on Topology Control Strategies
Jul 2008
This paper deals with realistic modelling of disaster area scenarios, analyses the node distribution, and shows that the specific distribution affects the impact of topology control strategies....
Provided by Institute of Electrical and Electronics Engineers
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White Papers
On the Efficiency of Using Space-Filling Curves in Network Traffic Representation
Jul 2008
Network monitors produce a huge amount of traffic data continuously. This data needs to be stored and communicated for analysis purposes. An efficient traffic representation is needed to ensure...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Adaptive Optimization of Packet Filtering Devices Performance Ensuring a Conflict-Free Network Configuration
Jul 2008
Security rules management in firewall and security gateway is a hard and error prone task as administrators must correctly implement and update a large amount of policies especially when rapid...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
AORTA: Autonomic Network Control and Management System
Jul 2008
This paper reports on an autonomic network management architecture based on the concept of "Evolution". A management methodology is developed which is relying on the ideas from evolutionary...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Minimum Maximum Degree Publish-Subscribe Overlay Network Design
May 2009
Designing an overlay network for publish/subscribe communication in a system where nodes may subscribe to many different topics of interest is of fundamental importance. For scalability and...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Tracking Cardinality Distributions in Network Traffic
May 2009
Understanding the aggregate behavior of network host connectivity is important for network monitoring and traffic engineering. One characterization of such an aggregate behavior is the host...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Quantifying the Importance of Vantage Points Distribution in Internet Topology Measurements
May 2009
The topology of the Internet has been extensively studied in recent years, driving a need for increasingly complex measurement infrastructures. These measurements have produced detailed topologies...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Robust Counting Via Counter Braids: An Error-Resilient Network Measurement Architecture
May 2009
A novel counter architecture, called Counter Braids, has recently been proposed for accurate per-flow measurement on high-speed links. Inspired by sparse random graph codes, Counter Braids solves...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Nuclei: GPU-Accelerated Many-Core Network Coding
May 2009
While it is a well known result that network coding achieves optimal flow rates in multicast sessions, its potential for practical use has remained to be a question, due to its high computational...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
An Evolutionary Approach to Inter-Session Network Coding
May 2009
Whereas the theory and application of optimal network coding are well studied for the single-session multicast scenario, there is no known optimal network coding strategy for a more general...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Layered Multicast With Inter-Layer Network Coding
May 2008
Multirate multicast is a powerful methodology of multimedia communication in heterogenous networks. A variant of multirate multicast motivated by scalable multimedia streaming is layered...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
On Effectiveness of Application-Layer Coding
May 2009
The effectiveness of application-layer coding in a system with a large number of users is considered. The end users encode data packets before transmitting them. The effect of additional packets...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
An Efficient Scheme for Securing XOR Network Coding Against Pollution Attacks
May 2009
Network coding is promising to maximize throughput in various networking systems. Compared to normal network coding operated over large finite fields, XOR network coding has gained an increasing...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Full-Coverage and K-Connectivity (k = 14, 6) Three Dimensional Networks
May 2009
In this paper, the authors study the problem of constructing full-coverage three dimensional networks with multiple connectivity. They design a set of patterns for full coverage and two...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Bi-Criteria Approximation Algorithms for Power-Efficient and Low-Interference Topology Control in Unreliable Ad Hoc Networks
May 2009
Topology control in ad hoc networks is a multi criteria optimization problem involving (contradictory) objectives of connectivity, interference, and power minimization. Additionally, nodes can be...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Information Propagation Speed in Mobile and Delay Tolerant Networks
May 2009
The goal of this paper is to increase the understanding of the fundamental performance limits of mobile and Delay Tolerant Networks (DTNs), where end-to-end multi-hop paths may not exist and...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Distributed Network Formation for N-Way Broadcast Applications
Oct 2010
In an n-way broadcast application, each one of n overlay nodes wants to push its own distinct large data file to all other n-1 destinations as well as download their respective data files....
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
NetFPGA - An Open Platform for Teaching How to Build Gigabit-Rate Network Switches and Routers
Mar 2008
The NetFPGA platform enables students and researchers to build high-performance networking systems using Field Programmable Gate Array (FPGA) hardware. A new version of the NetFPGA platform has...
Provided by Stanford University
-
White Papers
NetFPGA: Reusable Router Architecture for Experimental Research
Aug 2008
The goal is to enable fast prototyping of networking hardware (e.g. modified Ethernet switches and IP routers) for teaching and research. To this end, they built and made available the NetFPGA...
Provided by Association for Computing Machinery
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White Papers
Experimenting With Buffer Sizes in Routers
Dec 2007
In this paper, the authors present a test-bed for experiment with buffer sizing in routers. The test-bed is based on NetFPGA; a PCI-form factor board that contains reprogrammable FPGA elements,...
Provided by Association for Computing Machinery
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White Papers
Obtaining High Throughput in Networks With Tiny Buffers
Apr 2008
In this paper the authors explore whether a general topology network built up of routers with very small buffers, can maintain high throughput under TCP's congestion control mechanism. Recent...
Provided by University of Toronto
-
White Papers
Performing Time-Sensitive Network Experiments
Nov 2008
It is commonly believed that the Internet has deficiencies that need to be fixed. However, making changes to the current Internet infrastructure is not easy, if possible at all. Any new protocol...
Provided by Association for Computing Machinery
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White Papers
Implementing an OpenFlow Switch on the NetFPGA Platform
Nov 2008
The authors describe the implementation of an OpenFlow Switch on the NetFPGA platform. OpenFlow is a way to deploy experimental or new protocols in networks that carry production traffic. An...
Provided by Association for Computing Machinery
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White Papers
NOX: Towards an Operating System for Networks
Jul 2008
As anyone who has operated a large network can attest, enterprise networks are difficult to manage. That they have remained so despite significant commercial and academic efforts suggests the need...
Provided by University of California
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White Papers
Carving Research Slices Out of Your Production Networks With OpenFlow
Jun 2009
OpenFlow has been demonstrated as a way for researchers to run networking experiments in their production network. Last year, the authors demonstrated how an OpenFlow controller running on NOX...
Provided by Stanford University
-
White Papers
Packet and Circuit Network Convergence With OpenFlow
Nov 2009
Wide area networks are expensive to own from a service provider perspective and it is widely understood that much of this cost is in operational expenses. However, service providers such as AT&T...
Provided by Stanford University
-
White Papers
On the Scaling Law of Network Coding Gains in Wireless Networks
Aug 2007
The authors study the scaling law governing the delay gains of network coding as compared to traditional transmission strategies in unreliable wireless networks. The authors distinguish between...
Provided by Massachusetts Institute of Technology
-
White Papers
Optimal Reverse Carpooling Over Wireless Networks - A Distributed Optimization Approach
Jan 2010
The authors focus on a particular form of network coding, reverse carpooling, in a wireless network where the potentially coded transmitted messages are to be decoded immediately upon reception....
Provided by California Institute of Technology
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White Papers
A Distributed Newton Method for Network Optimization
Mar 2009
Most existing work uses dual decomposition and subgradient methods to solve network optimization problems in a distributed manner, which suffer from slow convergence rate properties. This paper...
Provided by University of Pennsylvania
-
White Papers
Mobility Increases the Connectivity of K-Hop Clustered Wireless Networks
Sep 2009
In this paper the authors investigate the connectivity for large-scale clustered wireless sensor and adhoc networks. The authors study the effect of mobility on the critical transmission range for...
Provided by Association for Computing Machinery
-
White Papers
On the Delay and Throughput Gains of Coding in Unreliable Networks
Aug 2007
In an unreliable packet network setting, the authors study the performance gains of optimal transmission strategies in the presence and absence of coding capability at the transmitter, where...
Provided by Massachusetts Institute of Technology
-
White Papers
Accelerated Dual Descent for Network Optimization
Sep 2010
Dual descent methods are commonly used to solve network optimization problems because their implementation can be distributed through the network. However, their convergence rates are typically...
Provided by Massachusetts Institute of Technology
-
White Papers
DATALITE: A Distributed Architecture for Traffic Analysis Via Light-Weight Traffic Digest
Oct 2008
In this paper, the authors propose DATALITE, a Distributed Architecture for Traffic Analysis via Light-weight Traffic digEst, which introduces a set of new distributed algorithms and protocols to...
Provided by Polytechnic University
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White Papers
Oracle Enterprise Manager Ops Center: The Power of Converged Hardware Management
Feb 2011
Data centers are in a continual state of flux today, due to virtualization, cloud initiatives and business M&A activity. To be more efficient amid these changes, organizations need to automate and...
Provided by Oracle
-
White Papers
Potential for Collaborative Caching and Prefetching in Largely-Disconnected Villages
Sep 2008
In a world becoming ever more reliant on the power of information, bringing data connectivity into developing regions is becoming an important way to lift these regions out of poverty by educating...
Provided by Association for Computing Machinery
-
White Papers
Segment Based Inter-Networking to Accommodate Diversity at the Edge
Feb 2011
In this paper, the authors introduce Tapa, a network architecture that accommodates diversity at the network edge: different access networks, heterogeneous edge devices, and rich applications and...
Provided by Carnegie Mellon University
-
White Papers
XIA: Efficient Support for Evolvable Internetworking
Mar 2012
Motivated by limitations in today's host-centric IP network, recent studies have proposed clean-slate network architectures centered around alternate first-class principals, such as content,...
Provided by Carnegie Mellon University
-
White Papers
RPT: Re-Architecting Loss Protection for Content-Aware Networks
Mar 2012
The authors revisit the design of redundancy-based loss protection schemes in light of recent advances in content-aware networking. Content-aware networks minimizes the overhead of redundancy, if...
Provided by Carnegie Mellon University
-
White Papers
MicroTE: Fine Grained Traffic Engineering for Data Centers
Dec 2011
The effects of data center traffic characteristics on data center traffic engineering is not well understood. In particular, it is unclear how existing traffic engineering techniques perform under...
Provided by Association for Computing Machinery
-
White Papers
A Review of the Applications of Agent Technology in Traffic and Transportation Systems
Jun 2010
The agent computing paradigm is rapidly emerging as one of the powerful technologies for the development of large-scale distributed systems to deal with the uncertainty in a dynamic environment....
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
PBProbe: A Capacity Estimation Tool for High Speed Networks
May 2008
Knowledge about the bottleneck capacity of an Internet path is critical for efficient network design, management, and usage. In this paper, the authors propose a new technique, called PBProbe, for...
Provided by University of California
-
White Papers
Adaptive Scheduling of Message Carrying in a Pigeon Network
Apr 2011
In adverse environments where real-time communications are not always available, a delay tolerant network may be the only choice. A special type of delay tolerant network known as a "Pigeon...
Provided by International Association for Sharing Knowledge and Sustainability (IASKS)
-
White Papers
EMP: A Protocol for IP-Based Wireless Sensor Networks Management
Apr 2011
Wireless Sensor Networks (WSNs) have attracted significant research interest in recent years because of their suitability to a vast range of real world applications. The envisioned Internet...
Provided by International Association for Sharing Knowledge and Sustainability (IASKS)
-
White Papers
Trigger-Based Intelligent Controller for Distributed SCADA Systems
Aug 2011
In this paper, the authors take advantage of the power of database-triggers in industrial field to build a trigger-based Intelligent Controller for Distributed SCADA Systems to provide fast...
Provided by International Association for Sharing Knowledge and Sustainability (IASKS)
-
White Papers
Transmission Throughput of Decentralized Overlaid Networks With Outage Constraints
Feb 2011
Overlaid networks, typically composed of primary and secondary networks, are emerging as a viable candidate to resolve the conflict between increasing demand for spectrum and spectrum shortage....
Provided by North Carolina State University
-
White Papers
A Novel Approach to Grid Sensor Networks
Dec 2008
A novel approach to information processing in grid sensor networks is presented. Based on the Fornasini-Marchesini (FM) model, this highly scalable method can implement any general linear system...
Provided by Institute of Electrical & Electronic Engineers
-
White Papers
Longest Edge Routing on the Spatial Aloha Graph
Sep 2011
The Multihop Spatial Reuse Aloha (MSR-Aloha) protocol was recently introduced by Baccelli et al., where each transmitter selects the receiver among its feasible next hops that maximizes the...
Provided by Drexel University
-
White Papers
Geometry, Connectivity, and Broadcast Transport Capacity of Random Networks With Fading
Sep 2011
In ad hoc networks with random node distribution, the underlying point process model and the channel fading process are usually considered separately. The authors provide a unified framework for...
Provided by University of Notre Dame
-
White Papers
Cognitive Machine-to-Machine Communications: Visions and Potentials for the Smart Grid
May 2012
Based upon cognitive radio technology, the authors propose a new Machine-To-Machine (M2M) communications paradigm, namely Cognitive M2M (CM2M) communication. They first motivate the use of...
Provided by Institute of Electrical & Electronic Engineers
-
White Papers
Secondary Users Cooperation in Cognitive Radio Networks: Balancing Sensing Accuracy and Efficiency
Apr 2012
Cooperative spectrum sensing is a promising technique in cognitive radio networks by exploiting multi-user diversity to mitigate channel fading. Cooperative sensing is traditionally employed to...
Provided by Institute of Electrical & Electronic Engineers
-
White Papers
On the Statistics and MAC Implications of Channel Estimation Errors in MIMO Ad Hoc Networks
Aug 2008
In this paper, the authors propose an analytical technique to evaluate the statistics of the channel estimation error in a simple multi-user ad hoc networking scenario. This problem is very...
Provided by University of Padova
-
White Papers
On the Design of Routing Protocols for MIMO Ad Hoc Networks Under Uniform and Correlated Traffic
Oct 2008
In this paper, the authors investigate the effects of different routing choices in a MIMO ad hoc network. The MIMO physical layer provides a number of degrees of freedom that a correct protocol...
Provided by University of Padova
-
White Papers
Structured Variational Methods for Distributed Inference: Convergence Analysis and Performance-Complexity Tradeoff
Apr 2009
In this paper, the asymptotic performance of a recently proposed distributed inference framework, structured variational methods, is investigated. The authors first distinguish the intra- and...
Provided by North Carolina State University
-
White Papers
On the Performance of Closed-Loop Transmit Diversity With Noisy Channel Estimates and Finite-Depth Interleaved Convolutional Codes
Jan 2010
In this paper, closed-form expressions for the uncoded bit error probability of Closed-Loop Transmit Diversity (CLTD) algorithms with two transmit and one receive antennas and noisy Channel State...
Provided by Institute of Electrical & Electronic Engineers
-
White Papers
Architectural Analysis of a Smart DMA Controller for Protocol Stack Acceleration in LTE Terminals
Sep 2010
In this paper, the authors present an architectural analysis of a smart DMA (sDMA) controller for protocol stack acceleration in mobile devices supporting 3GPP's Long Term Evolution (LTE). This...
Provided by Institute of Electrical & Electronic Engineers
-
White Papers
Iterative Limited Feedback Beamforming for MIMO Ad-Hoc Networks
Oct 2009
In wireless MIMO ad-hoc networks, channel reciprocity is assumed to optimize transmit and receive beam-formers in conventional beamforming algorithms. But, when channels between nodes are not...
Provided by Institute of Electrical & Electronic Engineers
-
White Papers
Iterative Soft-In Soft-Out Sphere Detection for 3GPP LTE
Mar 2010
3GPP LTE has become a hot topic in recent years. One of its main challenges is the computationally intense task of MIMO detection. This paper investigates MIMO detection methods based on Sphere...
Provided by Technische Universitat Dresden
-
White Papers
Performance of the LTE Uplink With Intra-Site Joint Detection and Joint Link Adaptation
Jan 2010
The authors evaluate the performance of the uplink of a 3GPP UTRAN Long Term Evolution (LTE) system with intra-site cooperation, where different sectors belonging to the same site may cooperate...
Provided by University of Stuttgart
-
White Papers
Fair Performance Comparison Between CQI- And CSI-Based MU-MIMO for the LTE Downlink
Feb 2010
The authors compare the performance of the downlink of a 3GPP UTRAN Long Term Evolution (LTE) system with MultiUser (MU) Multiple Input Multiple Output (MIMO) support and Channel State Information...
Provided by Deutsche Telekom
-
White Papers
Fountain Codes and Their Application to Broadcasting in Underwater Networks: Performance Modeling and Relevant Tradeoffs
Sep 2008
The authors' aim in this paper is to study the performance of broadcasting algorithms for UnderWater Acoustic Sensor Networks (UWASNs). The targeted scenario is very simple; they consider a source...
Provided by Association for Computing Machinery
-
White Papers
Power Allocation for Multi-Access Two-Way Relaying
Aug 2009
The authors consider a multi-access two-way relay network where multiple pairs of users exchange information with their pre-assigned partners with the assistance of an intermediate relay node....
Provided by Institute of Electrical & Electronic Engineers
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White Papers
Buddy Routing: A Routing Paradigm for NanoNets Based on Physical Layer Network Coding
Mar 2012
NanoNets are networks of nanomachines at extremely small dimensions, on the order of nanometers or micrometers. Recent advances in physics and engineering have made basic computing and...
Provided by University of Calgary
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White Papers
Joint Pricing and Cognitive Radio Network Selection: A Game Theoretical Approach
Mar 2012
This paper addresses the joint pricing and network selection problem in cognitive radio networks, considering both the point of view of network users and the Primary Operator. The problem is...
Provided by INRIA
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White Papers
Bounding the Power of Combination Network Coding in Undirected Networks
Apr 2011
The authors refer to network coding schemes in which information flows propagate along a combination network topology as Combination Network Coding (CNC). CNC and its variations are the first...
Provided by University of Calgary
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White Papers
A Geometric Framework for Investigating the Multiple Unicast Network Coding Conjecture
Mar 2012
The multiple unicast network coding conjecture states that for multiple unicast sessions in an undirected network, network coding is equivalent to routing. Simple and intuitive as it appears, the...
Provided by University of Calgary
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White Papers
Adaptive Dynamic Routing Supporting Service Management for Future Internet
Aug 2009
There is currently much debate in defining what form the Future Internet will take. The current Internet is struggling to meet the needs of an ever-evolving society. This is largely due to the...
Provided by Waterford Institute of Technology
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White Papers
A MAC Protocol for Cognitive Radio Networks With Reliable Control Channels Assignment
Jan 2012
In cognitive radio network, control information dissemination is critical. Secondary users need to exchange control information for utilizing the available channels efficiently, to maintain...
Provided by Institute of Electrical & Electronic Engineers
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White Papers
Analyzing Collaboration Networks Using Simplicial Complexes: A Case Study
Feb 2012
Collaboration social networks are traditionally modeled using graphs that capture pairwise relationships but have ambiguity between group collaborations and multiple pairwise collaborations. The...
Provided by Raytheon BBN Technologies
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White Papers
Multiple Random Walks to Uncover Short Paths in Power Law Networks
Jan 2012
Developing simple distributed algorithms to allow nodes to perform topology discovery and message routing using incomplete topological information is a problem of great interest in network...
Provided by Raytheon BBN Technologies
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White Papers
Preserving Quality of Information by Using Semantic Relationships
Feb 2012
The authors show how semantic relationships that exist within an information-rich source can be exploited for achieving parsimonious communication between a pair of semantically-aware nodes that...
Provided by Raytheon BBN Technologies
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White Papers
Percolation Phenomena in Networks Under Random Dynamics
Dec 2011
The authors show that the probability of source routing success in dynamic networks, where the link up-down dynamics is governed by a time-varying stochastic process, exhibit critical...
Provided by Institute of Electrical & Electronic Engineers
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White Papers
Information Dissemination in Socially Aware Networks Under the Linear Threshold Model
Dec 2010
The authors provide new analytical results concerning the spread of information or influence under the linear threshold social network model introduced by Kempe et al. in, in the information...
Provided by Indian Institute of Science
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White Papers
Optimal Forwarding in Delay Tolerant Networks With Multiple Destinations
Jun 2011
The authors study the trade-off between delivery delay and energy consumption in a delay tolerant network in which a message (or a file) has to be delivered to each of several destinations by...
Provided by Institute of Electrical & Electronic Engineers
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White Papers
Delay Constrained Optimal Relay Placement for Planned Wireless Sensor Networks
Aug 2010
In this paper, the authors study the problem of wireless sensor network design by deploying a minimum number of additional relay nodes (to minimize network design cost) at a subset of given...
Provided by Indian Institute of Science
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White Papers
Geographic Routing With Constant Stretch in Large Scale Sensor Networks With Holes
Jan 2012
Geographic routing is well suited for large scale sensor networks deployments, because the per node state it maintains is independent of the network size. Recently, VIGOR, a geographic routing...
Provided by Institute of Electrical & Electronic Engineers
