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KTH - Royal Institute of Technology
(437 results)-
White Papers
Low-Overhead Error Detection for Networks-on-Chip
August 17, 2009, 12:00am PDT
In the current deep sub-micron age, interconnect reliability is a subject of major concern, and is crucial for a successful product. Coding is a widely-used method to achieve communication...
Provided by Technion - Israel Institute of Technology
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White Papers
Packet-Level Static Timing Analysis for NoCs
July 1, 2009, 12:00am PDT
Networks-on-Chip (NoCs) are used in a growing number of SoCs and multi-core processors, increasing the need for accurate and efficient modeling to aid the design of integrated systems. A...
Provided by Technion - Israel Institute of Technology
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White Papers
Reliable Architecture for Flash Memory
July 29, 2009, 12:00am PDT
The mounting demand for high density non-volatile flash memories consequences new challenges of flash memory reliability issues [1, 2]. Common reliability-improving techniques approaches are...
Provided by Technion - Israel Institute of Technology
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White Papers
SMV: Selective Multi-Versioning STM
March 23, 2010, 12:00am PDT
The authors present Selective Multi-Versioning (SMV), a new STM that reduces the number of aborts, especially those of long read-only transactions. SMV keeps old object versions as long as they...
Provided by Technion - Israel Institute of Technology
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White Papers
The Macroeconomic Outlook And The Impact Of The Global Crisis In The Euro Area
October 26, 2010, 12:00am PDT
This paper provides general analysis and evolution of macroeconomic and financial indicators in the euro area, during the recent crisis 2008-2009. The financial market turmoil that began in 2007...
Provided by Universitatea Dunarea de Jos - Galati
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White Papers
Is Leadership A Part Of Me? Identity Centrality, Self-Role Alignment, And The Motivation To Lead
April 5, 2011, 12:00am PDT
In this paper, the authors studied the affective and social normative Motivation To Lead (MTL) components among a sample of business executives with considerable leadership experience. They built...
Provided by ESMT - European School of Management and Technology
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White Papers
The Relationship Between The Current World Crisis And Global Imbalances
January 26, 2011, 12:00am PST
The world economy currently experiencing the largest decline in the postwar period and dominated by a financial crisis that swept in a record time around the world. Many developed economies have...
Provided by University Dunarea de Jos - Galati
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White Papers
The Role Of Regional Trade Agreements In the Global Economy
January 27, 2011, 12:00am PST
Regional and sub-regional groups having an integrative character appeared after the war and they aimed at harmonizing their economic policies, and, at the same time, they ensured, in accordance...
Provided by Universitatea Petrol - Gaze din Ploiesti
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White Papers
Privacy in Georeferenced Context-Aware Services: A Survey
September 5, 2008, 12:00am PDT
Location Based Services (LBS) are a specific instance of a broader class of Internet services that are predicted to become popular in a near future: context-aware services. The privacy concerns...
Provided by University of Milano - Bicocca
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White Papers
Context-Aware Middleware for Reliable Multi-Hop Multi-Path Connectivity
September 29, 2008, 12:00am PDT
The widespread diffusion of portable devices with multiple wireless interfaces, e.g., UMTS/GPRS, IEEE 802.11, and/or Bluetooth, is enabling multi-homing and multi-channel scenarios, possibly made...
Provided by ALMA MATER STUDIORUM - Università di Bologna
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White Papers
Globalizing Tradition: New Styles Of Leadership And New Organizational Forms In Pehuenche Communities In Chile
February 18, 2009, 12:00am PST
Most indigenous societies have lived and continue to live in a tension-filled relation with the government that rules over their territory. Due to the greater global awareness that recognizes the...
Provided by University of Concepción - Chile
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White Papers
Chimaera - A Modeling And Simulation Framework
September 5, 2007, 12:00am PDT
The increasing complexity of technical systems offers unique challenges for engineers, and the rapid development of computer-based tools provides new opportunities to solve engineering problems...
Provided by KTH - Royal Institute of Technology
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White Papers
First Mover Advantages In The Mobile Telecommunications Industry
March 30, 2011, 12:00am PDT
This paper offers a consumer-centric view of entry order advantages and the role of firm-level capabilities. Specifically, the authors consider the fact that early adopting consumers will be...
Provided by ESMT - European School of Management and Technology
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White Papers
Regulation And Investment In Network Industries: Evidence From European Telecoms
June 15, 2009, 12:00am PDT
The authors provide evidence of an inherent trade-off between access regulation and investment incentives in telecommunications by using a comprehensive data set covering 70+ fixed-line operators...
Provided by ESMT - European School of Management and Technology
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White Papers
Access Regulation And Investment In Next Generation Networks: A Ranking Of Regulatory Regimes
June 1, 2009, 12:00am PDT
This paper analyses how different types of access regulation to next generation networks affect investments and consumer welfare. The model consists of an investment stage with uncertain returns...
Provided by ESMT - European School of Management and Technology
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White Papers
Seamless Handover in Heterogeneous Networks Using SIP a Proactive Handover Scheme With the Handover Extension
June 28, 2010, 12:00am PDT
Mobile users move across different types of network, such as WiFi, WiMAX and UMTS. The mobile equipment is already capable of connecting to different network types simultaneously, but in such a...
Provided by UniK - University Graduate Center
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White Papers
Protocol Design for Control Applications Using Wireless Sensor Networks
September 17, 2009, 12:00am PDT
Given the potential benefits offered by Wireless Sensor Networks (WSNs), they are becoming an appealing technology for process, manufacturing, and industrial control applications. In this paper,...
Provided by KTH - Royal Institute of Technology
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White Papers
Adaptive IEEE 802.15.4 Protocol for Reliable and Timely Communications
December 9, 2009, 12:00am PST
The authors present an adaptive Medium Access Control (MAC) design for minimizing the power consumption while guaranteeing reliability and delay constraints, which is developed for the slotted...
Provided by KTH - Royal Institute of Technology
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White Papers
Accurate Delay Analysis of Slotted IEEE 802.15.4 for Control Applications
March 15, 2010, 12:00am PDT
To understand the fundamental performance limits and the quality of service offered by the IEEE 802.15.4 standard for control applications, the packet delay distribution plays a major role. Due to...
Provided by KTH - Royal Institute of Technology
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White Papers
Breath: An Adaptive Protocol for Industrial Control Applications Using Wireless Sensor Networks
August 30, 2010, 12:00am PDT
An energy-efficient, reliable and timely data transmission is essential for Wireless Sensor Networks (WSNs) employed in scenarios where plant information must be available for control...
Provided by KTH - Royal Institute of Technology
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White Papers
Limitations of Robust Control Over WSN: UFAD Control in Intelligent Buildings
December 9, 2009, 12:00am PST
Intelligent buildings ventilation control is a challenging automation problem with objectives that rise several research problems of immediate actuality, such as the wireless automation and the...
Provided by KTH - Royal Institute of Technology
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White Papers
Wireless Networked Control System Co-Design
January 10, 2011, 12:00am PST
A framework for the joint design of wireless network and controllers is proposed. Multiple control systems are considered where the sensor measurements are transmitted to the controller over the...
Provided by KTH - Royal Institute of Technology
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White Papers
SME Financing In China
December 20, 2007, 12:00am PST
SMEs have a great contribution in China's economic expansion. However, the financing predicament currently faced by SMEs constitutes a great bottleneck for their development. Banks are reluctant...
Provided by Université Paris Ouest, Nanterre - La Défense
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White Papers
The Profitability - Risk Relationship And Financing Decision
November 4, 2010, 12:00am PDT
The enterprise financial decision is a rational process for option to the optimal variant related to financing and investments. For the capital investment to be justified, the profitability of the...
Provided by Universitatea Dunarea de Jos - Galati
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White Papers
Impact Of Lease Capitalization On Financial Ratios Of Listed German Companies
April 1, 2008, 12:00am PDT
The separation of leases into operating and finance leases for accounting purposes can result in incentives to favor operating lease contracts, since they avoid on-balance-sheet debt. The IASB and...
Provided by WHU - Otto Beisheim School of Management
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White Papers
The Effects Of Financing On Enterprise Performance
October 27, 2010, 12:00am PDT
In this paper, the authors are proposing to approach a theme very topical in their country: choose of the most profitable and comfortable sources of financing. The major objective of research in...
Provided by Universitatea Dunarea de Jos - Galati
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White Papers
Possibilities And Financing Limits Of Romanian Companies By The Share Market
November 4, 2010, 12:00am PDT
The IT&C sector is one of the most dynamic of Romania's economy. It is estimated, for instance, that in 2007 800,000 PCs will be sold, almost 33% more than in 2006. Figures showing similar growth...
Provided by Universitatea Dunarea de Jos - Galati
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White Papers
SIP-Based Context Distribution: Does Aggregation Pay Off?
October 1, 2010, 12:00am PDT
Context-aware applications need quickly access to current context information, in order to adapt their behavior before this context changes. To achieve this, the context distribution mechanism has...
Provided by KTH - Royal Institute of Technology
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Whitepapers
Distributed Multichannel Random Access Networks With Selfish Users
September 14, 2010, 12:00am PDT
Dynamic Spectrum Access (DSA) schemes allow the users to share spectrum resources by taking advantage of the variations in spectrum demand over time and space. Carrying out dynamic spectrum...
Provided by KTH - Royal Institute of Technology
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Whitepapers
Experimental Verification of Indoor TV White Space Opportunity Prediction Model
September 14, 2010, 12:00am PDT
Recent work has demonstrated that the underutilized spectrum in the Digital Television Bands, commonly referred to as TV White Space (TVWS), is a prime candidate for Opportunistic Spectrum Access...
Provided by KTH - Royal Institute of Technology
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White Papers
Towards Robust Traffic Engineering in IP Networks
November 1, 2007, 12:00am PDT
To deliver a reliable communication service it is essential for the network operator to manage how traffic flows in the network. The paths taken by the traffic is controlled by the routing...
Provided by KTH - Royal Institute of Technology
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Whitepapers
A Hardware Time Manager Implementation for the Xenomai Real-Time Kernel of Embedded Linux
August 31, 2012, 12:00am PDT
Nowadays, the use of embedded operating systems in different embedded projects is subject to a tremendous growth. Embedded Linux is becoming one of those most popular EOSs due to its modularity,...
Provided by Université du Sud - Toulon - Var
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Whitepapers
On Benchmarking Embedded Linux Flash File Systems
August 13, 2012, 12:00am PDT
Due to its attractive characteristics in terms of performance, weight and power consumption, NAND ash memory became the main Non Volatile Memory (NVM) in embedded systems. Those NVMs also present...
Provided by Université du Sud - Toulon - Var
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Whitepapers
Performance Evaluation of Flash File Systems
May 10, 2012, 12:00am PDT
Today, flash memory is strongly used in the embedded system domain. NAND flash memories are the building block of main secondary storage systems. Such memories present many benefits in terms of...
Provided by Université du Sud - Toulon - Var
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Whitepapers
Cascading Failures in Smart Grid - Benefits of Distributed Generation
August 1, 2010, 12:00am PDT
Smart grid is envisioned to incorporate local distributed power generation for better efficiency and flexibility. Distributed generation, when not used carefully, however, may compromise the...
Provided by University of Concepción - Chile
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Whitepapers
Optimum Multi-Hop Transmission Strategies for Energy Constrained Wireless Sensor Networks
May 24, 2012, 12:00am PDT
This paper presents optimum Multi-Hop Transmission Strategies (MHTS) for energy constrained Wireless Sensor Networks (WSNs). Nodes in a multi-hop WSN need to transmit their own information and to...
Provided by University of Arizona - UofA BookStore
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Whitepapers
Rate-Adaptive Admission Control for Bandwidth Assurance in Multirate Wireless Mesh Networks
May 24, 2012, 12:00am PDT
Admission Control (AC) is an effective mechanism for providing bandwidth assurance in wireless mesh networks. Early AC schemes over multi-rate WMNs typically use a prechosen rate or a MAC-layer...
Provided by University of Concepción - Chile
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Whitepapers
ZInC: Index-Coding for Many-to-One Communications in ZigBee Sensor Networks
May 24, 2012, 12:00am PDT
The main goal in wireless sensor networking remains the reduction of the network lifecycle and the enhancement of its reliability, keeping decent performances in terms of throughput and latency....
Provided by Université Paris Ouest, Nanterre - La Défense
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Whitepapers
Strategic Evaluation of Performance-Cost Trade-Offs in a Multipath TCP Multihoming Context
May 24, 2012, 12:00am PDT
Today's mobile terminals have several access network interfaces. In practice, the use of different access technologies is subject to different interconnection costs, and mobile users have...
Provided by Universite Paul Verlaine - Metz
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Whitepapers
Cooperative Spectrum Sensing With Slepian-Wolf Coded Cooperations
May 24, 2012, 12:00am PDT
A new Slepian-Wolf coded cooperation scheme is proposed for a cognitive radio network with two Secondary Users (SUs) performing cooperative spectrum sensing through a Fusion Center (FC). The SUs...
Provided by University of Arizona - UofA BookStore
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White Papers
P2P Social Networks With Broadcast Encryption Protected Privacy
August 8, 2011, 12:00am PDT
Existing centralized, provider-dependent networks do not provide users with mechanisms to fully protect their data. The provider has complete control of the service, and users have to rely on...
Provided by KTH - Royal Institute of Technology
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White Papers
Testing Inter-Layer and Inter-Task Interactions in RTES Applications
October 3, 2010, 12:00am PDT
Real-Time Embedded Systems (RTESs) are becoming increasingly ubiquitous, controlling a wide variety of popular and safety-critical devices. Effective testing techniques could improve the...
Provided by University of Nebraska - Lincoln
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White Papers
Using Property-Based Oracles When Testing Embedded System Applications
January 4, 2011, 12:00am PST
Embedded systems are becoming increasingly ubiquitous, controlling a wide variety of popular and safety-critical devices. Effective testing techniques could improve the dependability of these...
Provided by University of Nebraska - Lincoln
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White Papers
Minimal Cost Reconfiguration of Data Placement in Storage Area Network
January 1, 2012, 12:00am PST
Video-on-Demand (VoD) services require frequent updates in file configuration on the storage subsystem, so as to keep up with the frequent changes in movie popularity. This defines a natural...
Provided by Technion - Israel Institute of Technology
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White Papers
Experiences on Mobile-ATM Deployment in a Developing Country
March 13, 2009, 12:00am PDT
Mobile-Commerce is the latest concept of enabling the financial transactions on mobile phones and hand-held devices. With the rapid development of the society, the M-Commerce applications play a...
Provided by KTH - Royal Institute of Technology
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White Papers
Schur-Convexity of the Symbol Error Rate in Correlated MIMO Systems With Precoding and Space-Time Coding
June 11, 2008, 12:00am PDT
This paper analyzes the Symbol Error Rate (SER) of spatially correlated Multiple-Input Multiple-Output (MIMO) systems with linear precoding, space-time block codes, and long-term statistical...
Provided by KTH - Royal Institute of Technology
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White Papers
Estimation of the Rician K-factor in Reverberation Chambers for Improved Repeatability in Terminal Antenna Measurements
July 25, 2008, 12:00am PDT
An estimator of the RicianK-factor for reverberation chamber is derived in this paper using maximum likelihood estimation approach. This is done by reviewing the existing statistical model of the...
Provided by KTH - Royal Institute of Technology
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White Papers
Automated Multidimensional Characterization of Power Amplifier for Design and Production
February 28, 2009, 12:00am PST
Designing, optimizing and producing modern Power Amplifiers (PA) requires new and fast RF (Radio Frequency) measurement techniques capable of characterizing its real behavior. PAs are a truly...
Provided by KTH - Royal Institute of Technology
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White Papers
On the Use of Compressive Sampling for Wide-Band Spectrum Sensing
November 3, 2010, 12:00am PDT
In a scenario where a cognitive radio unit wishes to transmit, it needs to know over which frequency bands it can operate. It can obtain this knowledge by estimating the power spectral density...
Provided by KTH - Royal Institute of Technology
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White Papers
Feedback Design in Multiuser MIMO Systems Using Quantization Splitting and Hybrid Instantaneous/Statistical Channel Information
September 19, 2010, 12:00am PDT
In the design of next generation multiuser communication systems, multiple antenna transmission is an essential part providing spatial multiplexing gain and allowing efficient use of resources. A...
Provided by KTH - Royal Institute of Technology
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White Papers
Delay-Constrained Maximum Reliability Routing Over Lossy Links
September 13, 2010, 12:00am PDT
This paper studies the problem of joint routing and transmission scheduling for reliable real-time communication over lossy networks. The authors impose a strict latency bound on the packet...
Provided by KTH - Royal Institute of Technology
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White Papers
CSI Acquisition Concepts for Advanced Antenna Schemes in the WINNER+ Project
September 19, 2010, 12:00am PDT
This paper summarizes four novel advanced antenna concepts explored in the framework of the WINNER+ project. The concepts are related to multiuser MIMO communication in cellular networks, focusing...
Provided by KTH - Royal Institute of Technology
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White Papers
Opportunistic Relay Selection for Wireless Network Coding
November 9, 2009, 12:00am PST
Owing to its potential of enhancing the network performance and to the large number of applications it can be suited for, wireless network coding is attracting a lot of interest from both the...
Provided by KTH - Royal Institute of Technology
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White Papers
Advances in Wireless Network Coding for IMT-Advanced & Beyond
December 15, 2010, 12:00am PST
In a classical network, data streams originating from a source and intended to a desired destination are routed through intermediate nodes before reaching their final destination. By contrast,...
Provided by KTH - Royal Institute of Technology
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White Papers
Time Allocation in Wireless Network Coding
July 15, 2009, 12:00am PDT
Network coding is attracting significant research interest from the academic and industrial research communities, mainly due to its simplicity of application and the large number of applications...
Provided by KTH - Royal Institute of Technology
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White Papers
How Far from Kronecker can a MIMO Channel be? Does it Matter?
April 29, 2011, 12:00am PDT
A common assumption in the design and analysis of many MIMO transmission schemes is the so-called Kronecker model. This model is often a crucial step to obtain mathematically tractable solutions,...
Provided by KTH - Royal Institute of Technology
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White Papers
A Mobile World of Security - The Model
February 25, 2011, 12:00am PST
The authors propose a novel approach to establish cryptographic keys among mobile users and a networking infrastructure. Their approach comes at a low cost and can either be used as an alternative...
Provided by KTH - Royal Institute of Technology
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White Papers
TrACS: Transceiver Architecture and Wireless Channel Simulator
September 6, 2007, 12:00am PDT
This paper presents the design of a system-level simulator for radio receivers, including receiver circuits, in Matlab. The system level outlook offers a better characterization of circuit design,...
Provided by KTH - Royal Institute of Technology
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White Papers
A Multipath Routing Algorithm for Mobile Wireless Sensor Networks
October 6, 2010, 12:00am PDT
Providing reliable and yet energy efficient routing protocols is of an utmost importance in Wireless Sensor Networks. Wireless Sensor Networks imply multi-hop data forwarding over unreliable and...
Provided by Technion - Israel Institute of Technology
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White Papers
Efficient Link Scheduling and Channel Hopping for Convergecast in Wireless HART Networks
January 1, 2009, 12:00am PST
There is a strong current interest in migrating substantial parts of the traditionally wired industrial infrastructure to wireless technologies to improve flexibility, scalability, and efficiency....
Provided by KTH - Royal Institute of Technology
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White Papers
Deadline-Constrained Transmission Scheduling and Data Evacuation in WirelessHART Networks
September 1, 2008, 12:00am PDT
Real-time data delivery is a critical issue in wirelessHART networks. This paper develops a novel mathematical programming framework for joint routing and link scheduling of deadline-constrained...
Provided by KTH - Royal Institute of Technology
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White Papers
Optimal Link Scheduling and Channel Assignment for Convergecast in Linear WirelessHART Networks
February 22, 2010, 12:00am PST
There is a strong current interest in migrating substantial parts of the traditionally wired industrial infrastructure to wireless technologies to improve flexibility, scalability, and efficiency....
Provided by KTH - Royal Institute of Technology
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White Papers
Impact of Aggregate Interference on Meteorological Radar From Secondary Users
January 6, 2011, 12:00am PST
In this paper, the authors investigate the impact of aggregate interference in a secondary spectrum access system. Particularly, meteorological radar operating in 5.6 GHz band is considered to be...
Provided by KTH - Royal Institute of Technology
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White Papers
On the Requirements of Secondary Access to 960-1215 MHz Aeronautical Spectrum
March 8, 2011, 12:00am PST
In this paper, the authors investigate the spectrum sharing requirements of secondary access to 960-1215 MHz band which is primarily allocated to aeronautical usage. Primary system of interest is...
Provided by KTH - Royal Institute of Technology
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White Papers
Aeronautical Communication Systems as Potential Primary Users in Secondary Spectrum Access
April 28, 2011, 12:00am PDT
Secondary spectrum access emerges as a means to increase spectrum utilization significantly in a near future. However, the technical availability and the economic value of the secondary access...
Provided by KTH - Royal Institute of Technology
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White Papers
Geo-Location Spectrum Opportunities Database in Downlink Radar Bands for OFDM Based Cognitive Radios
September 5, 2011, 12:00am PDT
In this paper a model to investigate the spectrum opportunities for cognitive radio networks in three radar frequency bands L, S and C at a specific location is introduced. The authors consider...
Provided by KTH - Royal Institute of Technology
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White Papers
Opportunistic Secondary Spectrum Access -Opportunities and Limitations
February 25, 2011, 12:00am PST
Dynamic spectrum sharing technique ("Cognitive Radio") where secondary users opportunistically utilize temporarily or locally unused spectrum has emerged as a prime candidate technology to relieve...
Provided by KTH - Royal Institute of Technology
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White Papers
Optimal Power Allocation in Multi-Hop Cognitive Radio Networks
June 30, 2011, 12:00am PDT
Optimal power allocation in a multi-hop cognitive radio network is investigated. Information transmitted from the source passes through several wireless relay nodes before reaching the...
Provided by KTH - Royal Institute of Technology
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White Papers
Aggregate Interference From Secondary Users With Heterogeneous Density
July 8, 2011, 12:00am PDT
This paper presents an analytical model to approximate the probability distribution function of the aggregate interference that a primary user receives from multiple secondary transmitters. In...
Provided by KTH - Royal Institute of Technology
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White Papers
Aggregate Interference in Secondary Access With Interference Protection
October 28, 2011, 12:00am PDT
This paper presents a derivation of the probability distribution function (pdf) of the aggregate interference in a secondary access network where multiple secondary users cause interference to a...
Provided by KTH - Royal Institute of Technology
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White Papers
Detection Algorithm for Hybrid Space-Time and Spatial Multiplexing Wireless Communications Systems
December 17, 2007, 12:00am PST
In this paper, the authors propose a new architecture for detection of hybrid Layered Space-Time Block Codes (LSTBC). The proposed receiver is based on a Successive Interference Cancellation (SIC)...
Provided by ITESO - Universidad Jesuita de Guadalajara
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White Papers
Low Complexity Detector for STBC-VBLAST Architecture Based on SQRD Decomposition
August 5, 2009, 12:00am PDT
In this paper, the authors propose a very low complexity OSIC detector based on Sorted QR Decomposition (SQRD) for signal detection in hybrid STBC-VBLAST systems where the number of receive...
Provided by ITESO - Universidad Jesuita de Guadalajara
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White Papers
Hybrid Space-Time Codes for MIMO Wireless Communications
October 26, 2009, 12:00am PDT
A hybrid MIMO space-time codes combine spatial multiplexing with diversity gain to achieve both high spectral efficiency and link reliability. In this paper, the authors present in detail a family...
Provided by ITESO - Universidad Jesuita de Guadalajara
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White Papers
IterativeMean Removal Superimposed Training for SISO and MIMO Channel Estimation
September 22, 2008, 12:00am PDT
This contribution describes a novel iterative radio channel estimation algorithm based on Superimposed Training (ST) estimation technique. The proposed algorithm draws an analogy with the Data...
Provided by ITESO - Universidad Jesuita de Guadalajara
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White Papers
On the Computational Complexity and Effectiveness of N-Hub Shortest-Path Routing
January 1, 2011, 12:00am PST
In this paper, the authors study the computational complexity and effectiveness of a concept they term "N-hub Shortest-Path Routing" in IP networks. N-hub Shortest-Path Routing allows the ingress...
Provided by Technion - Israel Institute of Technology
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White Papers
An Optimal Wake-Up Scheduling Algorithm for Minimizing Energy Consumption While Limiting Maximum Delay in a Mesh Sensor Network
January 1, 2011, 12:00am PST
This paper presents an algorithm for maximizing the lifetime of a sensor network while guaranteeing an upper bound on the end-to-end delay. The authors prove that the proposed algorithm is...
Provided by Technion - Israel Institute of Technology
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White Papers
Continuous Neighbor Discovery in Asynchronous Sensor Networks
January 1, 2011, 12:00am PST
In most sensor networks the nodes are static. Nevertheless, node connectivity is subject to changes because of disruptions in wireless communication, transmission power changes, or loss of...
Provided by Technion - Israel Institute of Technology
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White Papers
Computational Analysis and Efficient Algorithms for Micro and Macro OFDMA Downlink Scheduling
January 1, 2011, 12:00am PST
OFDMA is one of the most important modulation and access methods for the future mobile networks. Before transmitting a frame on the downlink, an OFDMA base station has to invoke an algorithm that...
Provided by Technion - Israel Institute of Technology
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White Papers
A Generic Scheme for Estimating the Size of a Group While Avoiding Feedback Implosion
January 3, 2011, 12:00am PST
The authors present a probabilistic polling scheme for estimating the size of a group of nodes affected by the same event. They analyze the bias of the proposed scheme and show how it can be...
Provided by Technion - Israel Institute of Technology
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White Papers
Locally Vs. Globally Optimized Flow-Based Content Distribution to Mobile Groups
January 1, 2011, 12:00am PST
The paper deals with efficient distribution of timely information to mobile groups. The authors consider the case where a set of Information Dissemination Devices (IDDs) broadcast a limited amount...
Provided by Technion - Israel Institute of Technology
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