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Kyoto University
(31 results)-
White Papers
Viewpoint of ISO GMITS and Probabilistic Risk Assessment in Information Security
March 10, 2009, 12:00am PDT
Viewing the previous studies on the quantification of information security risks, one of the most popular tools is ISO GMITS, which quantifies the risk of information asset on the whole based on...
Provided by Kyoto University
-
White Papers
Security-Aware Beacon Based Network Monitoring
June 27, 2008, 12:00am PDT
This paper proposed the idea of L-beacon to monitor links with consideration of network security. This generalizes previous studies on L = 0, 1. The author gave an exact and an approximate...
Provided by Kyoto University
-
White Papers
Considering Fixed-Mobile Convergence Service as a Two-Sided Market
December 1, 2009, 12:00am PST
This paper considers the rapidly developing Fixed-Mobile Convergence (FMC) service as a two-sided market and analyzes the price structure a la Bertrand-Nash based on revealed preference data. The...
Provided by Kyoto University
-
White Papers
Design and Implementation of a Robot Audition System for Automatic Speech Recognition of Simultaneous Speech
January 9, 2008, 12:00am PST
This paper addresses robot audition that can cope with speech that has a low Signal-to-Noise Ratio (SNR) in real time by using robot-embedded microphones. To cope with such a noise, the authors...
Provided by Kyoto University
-
White Papers
Seeing Past Rivals: Visualizing Evolution of Coordinate Terms Over Time
October 6, 2009, 12:00am PDT
In this paper, the authors describe an approach for detection and visualization of coordinate term relationships over time and their evolution using temporal data available on the Web. Coordinate...
Provided by Kyoto University
-
White Papers
Optimal Growth And Competitive Equilibrium Business Cycles Under Decreasing Returns In Two-Country Models
May 19, 2008, 12:00am PDT
This paper investigates the interlinkage in the business cycles of large-country economies in free-trade equilibrium. The authors consider a two-country, two-good, two-factor general equilibrium...
Provided by Kyoto University
-
White Papers
Indeterminacy And Business-Cycle Fluctuations In A Two-Sector Economy With Externalities
November 15, 2009, 12:00am PST
The authors consider a two-sector economy with money-in-the-utility-function and sector-specific externalities. They provide conditions on technologies leading to the existence of local...
Provided by Kyoto University
-
White Papers
Improvement of BP-Based CDMA Multiuser Detection by Spatial Coupling
February 16, 2011, 12:00am PST
Kudekar et al. proved that the Belief-Propagation (BP) threshold for low-density parity-check codes can be boosted up to the Maximum-A-Posteriori (MAP) threshold by spatial coupling. In this...
Provided by Kyoto University
-
White Papers
Global Externalities, Endogenous Growth And Sunspot Fluctuations
May 26, 2008, 12:00am PDT
The authors consider a two-sector economy with Cobb-Douglas technologies, labor-augmenting global external effects and increasing social returns. They prove the existence of a normalized balanced...
Provided by Kyoto University
-
White Papers
Entry, Exit, And Endogenous Growth
March 20, 2009, 12:00am PDT
This paper presents an endogenous growth model, in which entry, exit, and growth are endogenously determined through the rational behavior of agents, to investigate the effects of growth-enhancing...
Provided by Kyoto University
-
White Papers
Effects Of Exit On Growth In An Imperfectly Competitive Economy
March 20, 2009, 12:00am PDT
This paper develops a tractable model for the simultaneous investigation of the exit of firms and economic growth. Using this model, it shows that the existence of exit of firms weakens the...
Provided by Kyoto University
-
White Papers
Education, Innovation, And Long-Run Growth
March 1, 2009, 12:00am PST
This paper combines three prototype endogenous growth models, the models with human capital accumulation introduced by Uzawa [1965] and Lucas [1988], variety expansion by Romer [1990], and quality...
Provided by Kyoto University
-
White Papers
A Dynamic Game Model Of Endogenous Growth With Consumption Externalities
March 6, 2009, 12:00am PST
This paper introduces consumption externalities into an endogenous growth model of general capital accumulation and characterizes balanced growth equilibria. Contrary to the common argument in...
Provided by Kyoto University
-
White Papers
Economic Growth, Unemployment, And Business Cycles
March 20, 2009, 12:00am PDT
This paper explores relationships among economic growth, unemployment, and business cycles by constructing a model, which views the process of creative destruction as a major source of business...
Provided by Kyoto University
-
Whitepapers
A Distance-Aware Forwarding Protocol for Beaconless Communication in Mobile Ad Hoc Networks and Its Performance
April 19, 2010, 12:00am PDT
Recently, routing protocols for Mobile Ad hoc NETworks (MANETs) which use position information to improve their efficiency have been actively studied. In this paper, the authors focus on...
Provided by Kyoto University
-
Whitepapers
Multi-Flow Scheduling for Coordinated Direct and Relayed Users in Cellular Systems
September 23, 2012, 12:00am PDT
There are two basic principles used in wireless network coding to design throughput-efficient schemes: aggregation of communication flows and interference is embraced and subsequently cancelled or...
Provided by Kyoto University
-
Whitepapers
Iterative Channel Estimation, Detection, and Decoding in Large CDMA Systems
July 5, 2010, 12:00am PDT
The large system analysis of randomly spread direct-sequence code-division multiple-access systems operating over frequency-selective fading channels is considered. Iterative Multi-User Detection...
Provided by Kyoto University
-
Whitepapers
Analysis of Large MIMO DS-CDMA Systems With Imperfect CSI and Spatial Correlation
April 30, 2010, 12:00am PDT
The large system analysis of randomly spread MIMO DS-CDMA systems is provided. Correlated Rayleigh fading MIMO channels are assumed for all users. Linear multiuser detection with separate decoding...
Provided by Kyoto University
-
Whitepapers
How Much Training Is Needed for Iterative Multiuser Detection and Decoding?
August 14, 2009, 12:00am PDT
This paper studies large randomly spread direct-sequence code-division multiple-access system operating over a block fading multipath channel. Channel knowledge is obtained by a linear estimator...
Provided by Kyoto University
-
Whitepapers
On Asymptotic Performance of Iterative Channel and Data Estimation in Large DS-CDMA Systems
April 24, 2009, 12:00am PDT
The authors study the spectral efficiency of large random direct-sequence code-division multiple-access systems utilizing Linear Minimum Mean Square Error (LMMSE) channel estimation and iterative...
Provided by Kyoto University
-
Whitepapers
Iterative Channel and Data Estimation: Framework and Analysis Via Replica Method
April 23, 2009, 12:00am PDT
The large system analysis of a randomly spread direct-sequence code-division multiple-access system operating over a frequency-selective fading channel is considered. Iterative multiuser detection...
Provided by Kyoto University
-
Whitepapers
Asymptotic Analysis of Iterative Channel Estimation and Multiuser Detection With Soft Feedback in Multipath Channels
September 15, 2008, 12:00am PDT
The large system performance analysis of a randomly spread direct-sequence code-division multiple-access system operating over a frequency-selective channel is considered. The receiver uses...
Provided by Kyoto University
-
Whitepapers
Analysis of Information Security Problem by Probabilistic Risk Assessment
August 27, 2009, 12:00am PDT
The information security risk assessment is investigated from perspectives of most advanced Probabilistic Risk Assessment (PRA) for nuclear power plants. Accident scenario enumeration by...
Provided by Kyoto University
-
Whitepapers
Modeling User Cooperation Problem in Mobile Overlay Multicast as a Multi-Agent System
October 27, 2009, 12:00am PDT
The growth in broadband access and increases in terminal capability have enabled the authors to provide large-scale multimedia services. The traditional unicast architecture cannot support such a...
Provided by Kyoto University
-
Whitepapers
A Virtual Layered Space-Frequency Communication Architecture with Iterative Decoding
October 27, 2009, 12:00am PDT
In this paper, the authors develop virtual layered space-frequency communication architecture. This architecture enables the decoding of transmitted OFDM (Orthogonal Frequency Division...
Provided by Kyoto University
-
White Papers
Interference Cancellation Schemes for Single-Carrier Block Transmission with Insufficient Cyclic Prefix
October 3, 2007, 12:00am PDT
This paper proposes Inter-Symbol Interference (ISI) and Inter-Block Interference (IBI) cancellation schemes at the transmitter and the receiver for the single-carrier block transmission with...
Provided by Kyoto University
-
White Papers
Gradual Typing for Generics
April 9, 2011, 12:00am PDT
Statically and dynamically typed languages have their own benefits. On the one hand, statically typed languages enjoy type safety properties; on the other hand, dynamically typed languages are...
Provided by Kyoto University
-
White Papers
J2EE Vs. .NET XML Web Services
August 21, 2007, 12:00am PDT
One of the latest innovations for the use of the Internet is Web services. Web services allow applications and Internet-enabled devices to easily communicate each other and combine their...
Provided by Kyoto University
-
White Papers
Linear-Tree Rule Structure for Firewall Optimization
April 5, 2007, 12:00am PDT
Given a list of filtering rules with individual hitting probabilities, it is known that the average processing time of a linear-search based firewall can be minimized by searching rules in some...
Provided by Kyoto University
-
White Papers
WindMine: Fast and Effective Mining of Web-Click Sequences
March 18, 2011, 12:00am PDT
Given a large stream of users clicking on web sites, how can the people find trends, patterns and anomalies' The authors have developed a novel method, WindMine, and its fine-tuning sibling,...
Provided by Kyoto University
-
Whitepapers
Compressed Sensing Based Protocol for Efficient Reconstruction of Sparse Superimposed Data in a Multi-Hop Wireless Sensor Network
August 7, 2012, 12:00am PDT
The authors consider a multi-hop wireless sensor network that measures sparse events and propose a simple forwarding protocol based on Compressed Sensing (CS) which does not need any sophisticated...
Provided by Kyoto University
-
Whitepapers
A Virtual Layered Space-Frequency Communication Architecture with Iterative Decoding
October 27, 2009, 12:00am PDT
In this paper, the authors develop virtual layered space-frequency communication architecture. This architecture enables the decoding of transmitted OFDM (Orthogonal Frequency Division...
Provided by Kyoto University
-
Whitepapers
Modeling User Cooperation Problem in Mobile Overlay Multicast as a Multi-Agent System
October 27, 2009, 12:00am PDT
The growth in broadband access and increases in terminal capability have enabled the authors to provide large-scale multimedia services. The traditional unicast architecture cannot support such a...
Provided by Kyoto University
-
Whitepapers
Analysis of Information Security Problem by Probabilistic Risk Assessment
August 27, 2009, 12:00am PDT
The information security risk assessment is investigated from perspectives of most advanced Probabilistic Risk Assessment (PRA) for nuclear power plants. Accident scenario enumeration by...
Provided by Kyoto University
-
Whitepapers
Asymptotic Analysis of Iterative Channel Estimation and Multiuser Detection With Soft Feedback in Multipath Channels
September 15, 2008, 12:00am PDT
The large system performance analysis of a randomly spread direct-sequence code-division multiple-access system operating over a frequency-selective channel is considered. The receiver uses...
Provided by Kyoto University
-
Whitepapers
Iterative Channel and Data Estimation: Framework and Analysis Via Replica Method
April 23, 2009, 12:00am PDT
The large system analysis of a randomly spread direct-sequence code-division multiple-access system operating over a frequency-selective fading channel is considered. Iterative multiuser detection...
Provided by Kyoto University
-
Whitepapers
On Asymptotic Performance of Iterative Channel and Data Estimation in Large DS-CDMA Systems
April 24, 2009, 12:00am PDT
The authors study the spectral efficiency of large random direct-sequence code-division multiple-access systems utilizing Linear Minimum Mean Square Error (LMMSE) channel estimation and iterative...
Provided by Kyoto University
-
Whitepapers
How Much Training Is Needed for Iterative Multiuser Detection and Decoding?
August 14, 2009, 12:00am PDT
This paper studies large randomly spread direct-sequence code-division multiple-access system operating over a block fading multipath channel. Channel knowledge is obtained by a linear estimator...
Provided by Kyoto University
-
Whitepapers
Analysis of Large MIMO DS-CDMA Systems With Imperfect CSI and Spatial Correlation
April 30, 2010, 12:00am PDT
The large system analysis of randomly spread MIMO DS-CDMA systems is provided. Correlated Rayleigh fading MIMO channels are assumed for all users. Linear multiuser detection with separate decoding...
Provided by Kyoto University
-
Whitepapers
Iterative Channel Estimation, Detection, and Decoding in Large CDMA Systems
July 5, 2010, 12:00am PDT
The large system analysis of randomly spread direct-sequence code-division multiple-access systems operating over frequency-selective fading channels is considered. Iterative Multi-User Detection...
Provided by Kyoto University
-
Whitepapers
Multi-Flow Scheduling for Coordinated Direct and Relayed Users in Cellular Systems
September 23, 2012, 12:00am PDT
There are two basic principles used in wireless network coding to design throughput-efficient schemes: aggregation of communication flows and interference is embraced and subsequently cancelled or...
Provided by Kyoto University
-
Whitepapers
A Distance-Aware Forwarding Protocol for Beaconless Communication in Mobile Ad Hoc Networks and Its Performance
April 19, 2010, 12:00am PDT
Recently, routing protocols for Mobile Ad hoc NETworks (MANETs) which use position information to improve their efficiency have been actively studied. In this paper, the authors focus on...
Provided by Kyoto University
-
Whitepapers
Compressed Sensing Based Protocol for Efficient Reconstruction of Sparse Superimposed Data in a Multi-Hop Wireless Sensor Network
August 7, 2012, 12:00am PDT
The authors consider a multi-hop wireless sensor network that measures sparse events and propose a simple forwarding protocol based on Compressed Sensing (CS) which does not need any sophisticated...
Provided by Kyoto University
-
White Papers
WindMine: Fast and Effective Mining of Web-Click Sequences
March 18, 2011, 12:00am PDT
Given a large stream of users clicking on web sites, how can the people find trends, patterns and anomalies' The authors have developed a novel method, WindMine, and its fine-tuning sibling,...
Provided by Kyoto University
-
White Papers
Linear-Tree Rule Structure for Firewall Optimization
April 5, 2007, 12:00am PDT
Given a list of filtering rules with individual hitting probabilities, it is known that the average processing time of a linear-search based firewall can be minimized by searching rules in some...
Provided by Kyoto University
-
White Papers
Gradual Typing for Generics
April 9, 2011, 12:00am PDT
Statically and dynamically typed languages have their own benefits. On the one hand, statically typed languages enjoy type safety properties; on the other hand, dynamically typed languages are...
Provided by Kyoto University
-
White Papers
Interference Cancellation Schemes for Single-Carrier Block Transmission with Insufficient Cyclic Prefix
October 3, 2007, 12:00am PDT
This paper proposes Inter-Symbol Interference (ISI) and Inter-Block Interference (IBI) cancellation schemes at the transmitter and the receiver for the single-carrier block transmission with...
Provided by Kyoto University
-
White Papers
Economic Growth, Unemployment, And Business Cycles
March 20, 2009, 12:00am PDT
This paper explores relationships among economic growth, unemployment, and business cycles by constructing a model, which views the process of creative destruction as a major source of business...
Provided by Kyoto University
-
White Papers
A Dynamic Game Model Of Endogenous Growth With Consumption Externalities
March 6, 2009, 12:00am PST
This paper introduces consumption externalities into an endogenous growth model of general capital accumulation and characterizes balanced growth equilibria. Contrary to the common argument in...
Provided by Kyoto University
-
White Papers
Education, Innovation, And Long-Run Growth
March 1, 2009, 12:00am PST
This paper combines three prototype endogenous growth models, the models with human capital accumulation introduced by Uzawa [1965] and Lucas [1988], variety expansion by Romer [1990], and quality...
Provided by Kyoto University
-
White Papers
Effects Of Exit On Growth In An Imperfectly Competitive Economy
March 20, 2009, 12:00am PDT
This paper develops a tractable model for the simultaneous investigation of the exit of firms and economic growth. Using this model, it shows that the existence of exit of firms weakens the...
Provided by Kyoto University
-
White Papers
Entry, Exit, And Endogenous Growth
March 20, 2009, 12:00am PDT
This paper presents an endogenous growth model, in which entry, exit, and growth are endogenously determined through the rational behavior of agents, to investigate the effects of growth-enhancing...
Provided by Kyoto University
-
White Papers
Global Externalities, Endogenous Growth And Sunspot Fluctuations
May 26, 2008, 12:00am PDT
The authors consider a two-sector economy with Cobb-Douglas technologies, labor-augmenting global external effects and increasing social returns. They prove the existence of a normalized balanced...
Provided by Kyoto University
-
White Papers
Improvement of BP-Based CDMA Multiuser Detection by Spatial Coupling
February 16, 2011, 12:00am PST
Kudekar et al. proved that the Belief-Propagation (BP) threshold for low-density parity-check codes can be boosted up to the Maximum-A-Posteriori (MAP) threshold by spatial coupling. In this...
Provided by Kyoto University
-
White Papers
Indeterminacy And Business-Cycle Fluctuations In A Two-Sector Economy With Externalities
November 15, 2009, 12:00am PST
The authors consider a two-sector economy with money-in-the-utility-function and sector-specific externalities. They provide conditions on technologies leading to the existence of local...
Provided by Kyoto University
-
White Papers
Optimal Growth And Competitive Equilibrium Business Cycles Under Decreasing Returns In Two-Country Models
May 19, 2008, 12:00am PDT
This paper investigates the interlinkage in the business cycles of large-country economies in free-trade equilibrium. The authors consider a two-country, two-good, two-factor general equilibrium...
Provided by Kyoto University
-
White Papers
Seeing Past Rivals: Visualizing Evolution of Coordinate Terms Over Time
October 6, 2009, 12:00am PDT
In this paper, the authors describe an approach for detection and visualization of coordinate term relationships over time and their evolution using temporal data available on the Web. Coordinate...
Provided by Kyoto University
-
White Papers
Design and Implementation of a Robot Audition System for Automatic Speech Recognition of Simultaneous Speech
January 9, 2008, 12:00am PST
This paper addresses robot audition that can cope with speech that has a low Signal-to-Noise Ratio (SNR) in real time by using robot-embedded microphones. To cope with such a noise, the authors...
Provided by Kyoto University
-
White Papers
Considering Fixed-Mobile Convergence Service as a Two-Sided Market
December 1, 2009, 12:00am PST
This paper considers the rapidly developing Fixed-Mobile Convergence (FMC) service as a two-sided market and analyzes the price structure a la Bertrand-Nash based on revealed preference data. The...
Provided by Kyoto University
-
White Papers
Security-Aware Beacon Based Network Monitoring
June 27, 2008, 12:00am PDT
This paper proposed the idea of L-beacon to monitor links with consideration of network security. This generalizes previous studies on L = 0, 1. The author gave an exact and an approximate...
Provided by Kyoto University
-
White Papers
Viewpoint of ISO GMITS and Probabilistic Risk Assessment in Information Security
March 10, 2009, 12:00am PDT
Viewing the previous studies on the quantification of information security risks, one of the most popular tools is ISO GMITS, which quantifies the risk of information asset on the whole based on...
Provided by Kyoto University
-
White Papers
J2EE Vs. .NET XML Web Services
August 21, 2007, 12:00am PDT
One of the latest innovations for the use of the Internet is Web services. Web services allow applications and Internet-enabled devices to easily communicate each other and combine their...
Provided by Kyoto University
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