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Indian Institute of Technology Guwahati
(49 results)-
Whitepapers
Case Studies in M-Commerce Applications Using Mobile Phones: Potential for Micro & Macro Level User Groups in India
January 15, 2008, 12:00am PST
The extension of the use of a mobile phone into electronically transacted commerce seems to be a natural phenomenon that was quite expected. Banking transactions, seat bookings and Short Message...
Provided by Indian Institute of Technology Guwahati
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White Papers
Sensor Integration in an RFID Tag for Monitoring Biomedical Signals
May 12, 2008, 12:00am PDT
RFID is evolving as a major technology enabler for identifying and tracking goods. RFID applications in biomedical area not only need to detect but also require monitoring and transmitting vital...
Provided by Indian Institute of Technology Guwahati
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White Papers
A Queueing Model for Optimal Segmentation of a Token-Ring Local Area Network
November 15, 2007, 12:00am PST
In a token-ring LAN the nodes (labeled i = l,. .., n) are arranged logically in a ring with each node transmitting to the next node in the ring. There is a single token and a node must be in...
Provided by Indian Institute of Technology Guwahati
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White Papers
Adaptive Routing for Ad Hoc Wireless Networks Providing QoS Guarantees
January 1, 2010, 12:00am PST
A cluster-based route discovery and dynamic route management protocol for ad hoc networks with inaccurate information for given QoS (Quality of Service) requirements has been proposed and compared...
Provided by Indian Institute of Technology Guwahati
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White Papers
CRESQ: Providing QoS and Security in Ad Hoc Networks
January 1, 2010, 12:00am PST
Ad hoc networks, which have seen drastic increase in their usage scenarios and convergence of different applications' traffic lately, are getting ready to support QoS and secure traffic. Existing...
Provided by Indian Institute of Technology Guwahati
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White Papers
A Survey of Recent Patents on Radio Frequency Identification Systems and Applications
September 9, 2007, 12:00am PDT
The generic term radio frequency identification system has become important of late for its huge potential in business applications. These wireless systems usually have two parts, a tag and a...
Provided by Indian Institute of Technology Guwahati
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White Papers
Recognition of Isolated Speech Signals Using Simplified Statistical Parameters
June 8, 2009, 12:00am PDT
The authors present a novel scheme to recognize isolated speech signals using certain statistical parameters derived from those signals. The determination of the statistical estimates is based on...
Provided by Indian Institute of Technology Guwahati
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White Papers
A Distributed Algorithm for Hexagonal Topology Formation in Wireless Sensor Networks
September 15, 2009, 12:00am PDT
Hexagonal wireless sensor network refers to a network topology where a subset of nodes have six peer neighbors. These nodes form a backbone for multi-hop communications. In a previous work, the...
Provided by Indian Institute of Technology Guwahati
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White Papers
Stage Staffing Scheme for Copyright Protection in Multimedia
March 1, 2011, 12:00am PST
Copyright protection has become a need in today's world. To achieve a secure copyright protection the authors embedded some information in images and videos and that image or video is called...
Provided by Indian Institute of Technology Guwahati
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White Papers
Reconstruction of Aggregation Tree in Spite of Faulty Nodes in Wireless Sensor Networks
October 5, 2010, 12:00am PDT
Recent advances in Wireless Sensor Networks (WSNs) have led to many new promising applications. However data communication between nodes consumes a large portion of the total energy of WSNs....
Provided by Indian Institute of Technology Guwahati
-
White Papers
Little Dragon Two: An Efficient Multivariate Public Key Cryptosystem
April 1, 2010, 12:00am PDT
Public key cryptography has several practical applications, for example in e-commerce systems for authentication (electronic signatures) and for secure communication. The most widely used...
Provided by Indian Institute of Technology Guwahati
-
White Papers
Poly-Dragon: An Efficient Multivariate Public Key Cryptosystem
December 1, 2009, 12:00am PST
In this paper the authors propose an efficient multivariate public key cryptosystem. Public key of the cryptosystem contains polynomials of total degree three in plaintext and ciphertext...
Provided by Indian Institute of Technology Guwahati
-
White Papers
An Investigation on Efficient Spreading Codes for Transmitter Based Techniques to Mitigate MAI and ISI in TDD/CDMA Downlink
August 20, 2010, 12:00am PDT
The authors investigate efficient spreading codes for transmitter based techniques of Code Division Multiple Access (CDMA) systems. The channel is considered to be known at the transmitter which...
Provided by Indian Institute of Technology Guwahati
-
White Papers
A Fast Adaptive Tomlinson-Harashima Precoder for Indoor Wireless Communications
August 20, 2010, 12:00am PDT
A fast adaptive Tomlinson Harashima (T-H) precoder structure is presented for indoor wireless communications, where the channel may vary due to rotation and small movement of the mobile terminal....
Provided by Indian Institute of Technology Guwahati
-
White Papers
Pricing Of Average Strike Asian Call Option Using Numerical PDE Methods
June 10, 2011, 12:00am PDT
In this paper, a standard PDE for the pricing of arithmetic average strike Asian call option is presented. A Crank-Nicolson Implicit Method and a Higher Order Compact finite difference scheme for...
Provided by Indian Institute of Technology Guwahati
-
White Papers
An Active Host-Based Intrusion Detection System for ARP-Related Attacks and Its Verification
May 1, 2011, 12:00am PDT
Spoofing with falsified IP-MAC pair is the first step in most of the LAN based-attacks. Address Resolution Protocol (ARP) is stateless, which is the main cause that makes spoofing possible....
Provided by Indian Institute of Technology Guwahati
-
White Papers
On the Construction of m-Sequences Via Primitive Polynomials With a Fast Identification Method
January 5, 2011, 12:00am PST
The paper provides an in-depth tutorial of mathematical construction of maximal length sequences (m-sequences) via primitive polynomials and how to map the same when implemented in shift...
Provided by Indian Institute of Technology Guwahati
-
White Papers
An Efficient Load Balancing Architecture for Peer-to-Peer Systems
January 1, 2011, 12:00am PST
Structured peer-to-peer systems like Chord are popular because of their deterministic nature in routing, which bounds the number of messages in finding the desired data. In these systems, DHT...
Provided by Indian Institute of Technology Guwahati
-
Whitepapers
Performance Optimization in Single Channel Directional Multi-Interface IEEE 802.11s EDCA Using Beam Prioritization
May 24, 2012, 12:00am PDT
Single channel multi-interface IEEE 802.11s Wireless Mesh Network(WMN) is a promising technology for increasing spatial reuse of wireless channel using high gain directional antennas. Use of...
Provided by Indian Institute of Technology Guwahati
-
Whitepapers
Channel Capacity of Adaptive Transmission Schemes Using Equal Gain Combining Receiver Over Hoyt Fading Channels
December 10, 2010, 12:00am PST
Closed-form expressions for the channel capacity of an L-branch equal gain combining diversity receiver over Hoyt (Nakagami-q) fading channels is derived for adaptive transmission schemes. To...
Provided by Indian Institute of Technology Guwahati
-
Whitepapers
Authenticating Encrypted Data
December 1, 2010, 12:00am PST
Traditionally Message Authentication Codes (MACs) and the process of encryption are treated as orthogonal security mechanisms, where MACs are used to prove data authenticity while encryption is...
Provided by Indian Institute of Technology Guwahati
-
Whitepapers
Bimodal Biometric Person Authentication Using Speech and Face Under Degraded Condition
December 6, 2010, 12:00am PST
In this paper, the authors present a bimodal biometric system using speech and face features and tested its performance under degraded condition. Speaker Verification (SV) system is built using...
Provided by Indian Institute of Technology Guwahati
-
Whitepapers
A Printed 2.4 GHz/5.8 GHz Dual-Band Monopole Antenna for WLAN and RFID Applications With a Protruding Stub in the Ground Plane
December 1, 2010, 12:00am PST
Design of a simple microstrip fed folded strip monopole antenna with a protruding stub in the ground plane for the application in the WLAN and RFID is presented. The antenna has two resonant...
Provided by Indian Institute of Technology Guwahati
-
Whitepapers
Multi-Variability Speech Database for Robust Speaker Recognition
December 7, 2010, 12:00am PST
In this paper, the authors present their initial study with the recently collected speech database for developing robust speaker recognition systems in Indian context. The database contains the...
Provided by Indian Institute of Technology Guwahati
-
Whitepapers
MAP Estimation of CFO and STO for a Convolutionally Coded OFDM System
December 16, 2010, 12:00am PST
The authors propose a Maximum A-Posteriori (MAP) based blind algorithm for Carrier Frequency Offset (CFO) and Symbol Timing Offset (STO) estimation, for a convolutionally Coded Orthogonal...
Provided by Indian Institute of Technology Guwahati
-
Whitepapers
Significance of Speaker Information in Wideband Speech
December 7, 2010, 12:00am PST
In this paper, speech signal having information up to 4 kHz is termed as NarrowBand (NB) speech and the other having information up to 8 kHz is termed as WideBand (WB) speech. The objective is to...
Provided by Indian Institute of Technology Guwahati
-
Whitepapers
Robust Video Hashing Using the 3D-DWT
December 8, 2010, 12:00am PST
Robust or perceptual hash functions for video extract hashes on the basis of the perceptual contents of videos. Besides being sensitive to content differences in distinct videos, such a hash...
Provided by Indian Institute of Technology Guwahati
-
Whitepapers
Stressed Speech Processing: Human Vs Automatic in Non-Professional Speakers Scenario
December 2, 2010, 12:00am PST
This paper analyzes the effect of stress in human and automatic stressed speech processing tasks for speech collected from non-professional speakers. The database of 33 keywords is collected under...
Provided by Indian Institute of Technology Guwahati
-
Whitepapers
Enhancing the Performance of the Bayesian Pursuit Algorithm
December 7, 2010, 12:00am PST
Finding sparse solutions to under-determined systems of linear equations has recently got a plethora of applications in the field of signal processing. It is assumed that an ideal noiseless signal...
Provided by Indian Institute of Technology Guwahati
-
Whitepapers
Removal of Random-Valued Impulse Noise Using Sparse Representation
December 7, 2010, 12:00am PST
This paper proposes a novel two-stage denoising method for removing random-valued impulse noise from an image. First, an impulse noise detection scheme is used to detect the pixels which are...
Provided by Indian Institute of Technology Guwahati
-
Whitepapers
Image Denoising Based on Laplace Distribution with Local Parameters in Lapped Transform Domain
December 6, 2010, 12:00am PST
In this paper, the authors present a new image denoising method based on statistical modeling of Lapped Transform (LT) coefficients. The lapped transform coefficients are first rearranged into...
Provided by Indian Institute of Technology Guwahati
-
Whitepapers
An Adaptive Throughput, Spectral, Energy Efficient and Fair Network Configuration in Pervasive Environment
October 1, 2012, 12:00am PDT
In this paper, the authors propose a mechanism in which power consumption in a sensor network can be reduced greatly by taking into account the fairness factors and to increase the probability of...
Provided by Indian Institute of Technology Guwahati
-
Whitepapers
Performance of a L-Branch Predetection EGC Receiver Over Independent Hoyt Fading Channels for M-Ary Coherent and Noncoherent Modulations Using PDF Based Approach
January 16, 2010, 12:00am PST
Performance of a L-branch pre-detection equal gain combining receiver has been analyzed in independent Hoyt fading channels with arbitrary fading parameters applying classical Probability Density...
Provided by Indian Institute of Technology Guwahati
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Whitepapers
Performance of $L$-MRC Receiver over Independent Hoyt Fading Channels
December 30, 2009, 12:00am PST
Performance of a maximal ratio combining receiver has been analyzed in independent Hoyt fading channels for an arbitrary number (L) of branches. Mathematical expressions for the probability...
Provided by Indian Institute of Technology Guwahati
-
Whitepapers
Impact of Multiple UWB Devices on IEEE 802.11a WLAN Systems
January 7, 2010, 12:00am PST
The objective of this paper is to assess the effects of multiple UWB devices emission on the IEEE 802.11a WLAN receiver. The data rates and SINR of WLAN is evaluated with and without the UWB...
Provided by Indian Institute of Technology Guwahati
-
Whitepapers
Angle and Time of Arrival Statistics for Indoor UWB Communication
December 31, 2009, 12:00am PST
Wireless communication systems require proper understanding of the spatial and temporal characteristics of the propagation channel. This paper presents a geometrical based single bounce model for...
Provided by Indian Institute of Technology Guwahati
-
Whitepapers
Capacity Analysis of Dual -SC and -MRC Systems Over Correlated Nakagami-m Fading Channels With Non-Identical and Arbitrary Fading Parameters
December 30, 2009, 12:00am PST
Closed-form expressions for the capacity of dual branch, Selection Combining (SC) and Maximal-Ratio Combining (MRC) diversity systems operating in correlated Nakagami-m fading channels with...
Provided by Indian Institute of Technology Guwahati
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Whitepapers
Speaker Information From Subband Energies of Linear Prediction Residual
December 13, 2009, 12:00am PST
The objective of this paper is to describe the significant speaker information present in the subband energies of the Linear Prediction (LP) residual. The LP residual mostly contains the...
Provided by Indian Institute of Technology Guwahati
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Whitepapers
Modeling of Propagation Characteristics of Non-Linear Transmission Lines With Loss
January 15, 2010, 12:00am PST
Non-linear transmission lines have been widely studied for millimeter and sub-millimeter wave applications based on their capability to generate and propagate solitons. Such lines are usually...
Provided by Indian Institute of Technology Guwahati
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White Papers
Research and Application of One-Class Small Hypersphere Support Vector Machine for Network Anomaly Detection
December 8, 2010, 12:00am PST
In recent years, machine learning technology often used as a recognition method of anomaly in anomaly detection. In this paper, the authors have proposed a One-class Small Hypersphere Support...
Provided by Indian Institute of Technology Guwahati
-
Whitepapers
Modeling of Propagation Characteristics of Non-Linear Transmission Lines With Loss
January 15, 2010, 12:00am PST
Non-linear transmission lines have been widely studied for millimeter and sub-millimeter wave applications based on their capability to generate and propagate solitons. Such lines are usually...
Provided by Indian Institute of Technology Guwahati
-
Whitepapers
Speaker Information From Subband Energies of Linear Prediction Residual
December 13, 2009, 12:00am PST
The objective of this paper is to describe the significant speaker information present in the subband energies of the Linear Prediction (LP) residual. The LP residual mostly contains the...
Provided by Indian Institute of Technology Guwahati
-
Whitepapers
Capacity Analysis of Dual -SC and -MRC Systems Over Correlated Nakagami-m Fading Channels With Non-Identical and Arbitrary Fading Parameters
December 30, 2009, 12:00am PST
Closed-form expressions for the capacity of dual branch, Selection Combining (SC) and Maximal-Ratio Combining (MRC) diversity systems operating in correlated Nakagami-m fading channels with...
Provided by Indian Institute of Technology Guwahati
-
Whitepapers
Angle and Time of Arrival Statistics for Indoor UWB Communication
December 31, 2009, 12:00am PST
Wireless communication systems require proper understanding of the spatial and temporal characteristics of the propagation channel. This paper presents a geometrical based single bounce model for...
Provided by Indian Institute of Technology Guwahati
-
Whitepapers
Impact of Multiple UWB Devices on IEEE 802.11a WLAN Systems
January 7, 2010, 12:00am PST
The objective of this paper is to assess the effects of multiple UWB devices emission on the IEEE 802.11a WLAN receiver. The data rates and SINR of WLAN is evaluated with and without the UWB...
Provided by Indian Institute of Technology Guwahati
-
Whitepapers
Performance of $L$-MRC Receiver over Independent Hoyt Fading Channels
December 30, 2009, 12:00am PST
Performance of a maximal ratio combining receiver has been analyzed in independent Hoyt fading channels for an arbitrary number (L) of branches. Mathematical expressions for the probability...
Provided by Indian Institute of Technology Guwahati
-
Whitepapers
Performance of a L-Branch Predetection EGC Receiver Over Independent Hoyt Fading Channels for M-Ary Coherent and Noncoherent Modulations Using PDF Based Approach
January 16, 2010, 12:00am PST
Performance of a L-branch pre-detection equal gain combining receiver has been analyzed in independent Hoyt fading channels with arbitrary fading parameters applying classical Probability Density...
Provided by Indian Institute of Technology Guwahati
-
Whitepapers
An Adaptive Throughput, Spectral, Energy Efficient and Fair Network Configuration in Pervasive Environment
October 1, 2012, 12:00am PDT
In this paper, the authors propose a mechanism in which power consumption in a sensor network can be reduced greatly by taking into account the fairness factors and to increase the probability of...
Provided by Indian Institute of Technology Guwahati
-
Whitepapers
Image Denoising Based on Laplace Distribution with Local Parameters in Lapped Transform Domain
December 6, 2010, 12:00am PST
In this paper, the authors present a new image denoising method based on statistical modeling of Lapped Transform (LT) coefficients. The lapped transform coefficients are first rearranged into...
Provided by Indian Institute of Technology Guwahati
-
Whitepapers
Removal of Random-Valued Impulse Noise Using Sparse Representation
December 7, 2010, 12:00am PST
This paper proposes a novel two-stage denoising method for removing random-valued impulse noise from an image. First, an impulse noise detection scheme is used to detect the pixels which are...
Provided by Indian Institute of Technology Guwahati
-
Whitepapers
Enhancing the Performance of the Bayesian Pursuit Algorithm
December 7, 2010, 12:00am PST
Finding sparse solutions to under-determined systems of linear equations has recently got a plethora of applications in the field of signal processing. It is assumed that an ideal noiseless signal...
Provided by Indian Institute of Technology Guwahati
-
Whitepapers
Stressed Speech Processing: Human Vs Automatic in Non-Professional Speakers Scenario
December 2, 2010, 12:00am PST
This paper analyzes the effect of stress in human and automatic stressed speech processing tasks for speech collected from non-professional speakers. The database of 33 keywords is collected under...
Provided by Indian Institute of Technology Guwahati
-
Whitepapers
Robust Video Hashing Using the 3D-DWT
December 8, 2010, 12:00am PST
Robust or perceptual hash functions for video extract hashes on the basis of the perceptual contents of videos. Besides being sensitive to content differences in distinct videos, such a hash...
Provided by Indian Institute of Technology Guwahati
-
Whitepapers
Significance of Speaker Information in Wideband Speech
December 7, 2010, 12:00am PST
In this paper, speech signal having information up to 4 kHz is termed as NarrowBand (NB) speech and the other having information up to 8 kHz is termed as WideBand (WB) speech. The objective is to...
Provided by Indian Institute of Technology Guwahati
-
Whitepapers
MAP Estimation of CFO and STO for a Convolutionally Coded OFDM System
December 16, 2010, 12:00am PST
The authors propose a Maximum A-Posteriori (MAP) based blind algorithm for Carrier Frequency Offset (CFO) and Symbol Timing Offset (STO) estimation, for a convolutionally Coded Orthogonal...
Provided by Indian Institute of Technology Guwahati
-
Whitepapers
Multi-Variability Speech Database for Robust Speaker Recognition
December 7, 2010, 12:00am PST
In this paper, the authors present their initial study with the recently collected speech database for developing robust speaker recognition systems in Indian context. The database contains the...
Provided by Indian Institute of Technology Guwahati
-
Whitepapers
A Printed 2.4 GHz/5.8 GHz Dual-Band Monopole Antenna for WLAN and RFID Applications With a Protruding Stub in the Ground Plane
December 1, 2010, 12:00am PST
Design of a simple microstrip fed folded strip monopole antenna with a protruding stub in the ground plane for the application in the WLAN and RFID is presented. The antenna has two resonant...
Provided by Indian Institute of Technology Guwahati
-
Whitepapers
Bimodal Biometric Person Authentication Using Speech and Face Under Degraded Condition
December 6, 2010, 12:00am PST
In this paper, the authors present a bimodal biometric system using speech and face features and tested its performance under degraded condition. Speaker Verification (SV) system is built using...
Provided by Indian Institute of Technology Guwahati
-
Whitepapers
Authenticating Encrypted Data
December 1, 2010, 12:00am PST
Traditionally Message Authentication Codes (MACs) and the process of encryption are treated as orthogonal security mechanisms, where MACs are used to prove data authenticity while encryption is...
Provided by Indian Institute of Technology Guwahati
-
Whitepapers
Channel Capacity of Adaptive Transmission Schemes Using Equal Gain Combining Receiver Over Hoyt Fading Channels
December 10, 2010, 12:00am PST
Closed-form expressions for the channel capacity of an L-branch equal gain combining diversity receiver over Hoyt (Nakagami-q) fading channels is derived for adaptive transmission schemes. To...
Provided by Indian Institute of Technology Guwahati
-
Whitepapers
Performance Optimization in Single Channel Directional Multi-Interface IEEE 802.11s EDCA Using Beam Prioritization
May 24, 2012, 12:00am PDT
Single channel multi-interface IEEE 802.11s Wireless Mesh Network(WMN) is a promising technology for increasing spatial reuse of wireless channel using high gain directional antennas. Use of...
Provided by Indian Institute of Technology Guwahati
-
White Papers
Load Balancing In-Bound Traffic in Multihomed STUB Autonomous Systems
January 1, 2012, 12:00am PST
In the Internet, with many competing networks each trying to optimise its own bandwidth, a stub network has limited knowledge about user demands, available network resources and routing policies...
Provided by Indian Institute of Technology Guwahati
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White Papers
One Bit Is Enough: A Framework for Deploying Explicit Feedback Congestion Control Protocols
December 9, 2008, 12:00am PST
In this paper, the authors describe UNO, a framework for fine-grain explicit feedback congestion control protocols that uses only 1 or 2 existing ECN bits, thus making algorithms that use more...
Provided by Indian Institute of Technology Guwahati
-
White Papers
Fixing Data Anomalies With Prediction Based Algorithm in Wireless Sensor Networks
November 14, 2011, 12:00am PST
Data inconsistencies are present in the data collected over a large Wireless Sensor Network (WSN), usually deployed for any kind of monitoring applications. Before passing this data to some WSN...
Provided by Indian Institute of Technology Guwahati
-
White Papers
An Alternate Model for Uplink Interference in CDMA Systems With Power Control
December 24, 2008, 12:00am PST
Accurately modeling the statistics of the uplink interference power is an important problem in the design and analysis of second and third generation code division multiple access cellular...
Provided by Indian Institute of Technology Guwahati
-
White Papers
Optimal Energy Management Policies for Energy Harvesting Sensor Nodes
July 4, 2009, 12:00am PDT
The authors study a sensor node with an energy harvesting source. The generated energy can be stored in a buffer. The sensor node periodically senses a random field and generates a packet. These...
Provided by Indian Institute of Technology Guwahati
-
White Papers
Caching of Routes in Ad Hoc On-Demand Distance Vector Routing for Mobile Ad Hoc Networks
January 1, 2011, 12:00am PST
Ad hoc networks are characterized by multi-hop wireless connectivity, frequently changing network topology and the need for efficient dynamic routing protocols. Recent comparative studies between...
Provided by Indian Institute of Technology Guwahati
-
White Papers
Cross Layer Adaptation for QoS in WSN
October 7, 2011, 12:00am PDT
In this paper, the authors propose QoS aware MAC protocol for Wireless Sensor networks and its cross layer extension to network layer for providing QoS in delay sensitive WSN scenarios. In WSNs,...
Provided by Indian Institute of Technology Guwahati
-
White Papers
A Clustering Based Channel Model for Indoor Wireless Communication
December 6, 2010, 12:00am PST
A number of radio channel models based on either geometrical or statistical methods have been proposed in literature. Many such models tend to simplify the scattering environment in indoor radio...
Provided by Indian Institute of Technology Guwahati
-
White Papers
A Telephone Based Wireless Remote Controller for Home Appliances
December 14, 2007, 12:00am PST
A telephone based wireless system for the remote operation of the home appliances is proposed. The telephone, acting as a remote controller, generates a DTMF signal corresponding to each dialed...
Provided by Indian Institute of Technology Guwahati
-
White Papers
Research and Application of One-Class Small Hypersphere Support Vector Machine for Network Anomaly Detection
December 8, 2010, 12:00am PST
In recent years, machine learning technology often used as a recognition method of anomaly in anomaly detection. In this paper, the authors have proposed a One-class Small Hypersphere Support...
Provided by Indian Institute of Technology Guwahati
-
White Papers
An Efficient Load Balancing Architecture for Peer-to-Peer Systems
January 1, 2011, 12:00am PST
Structured peer-to-peer systems like Chord are popular because of their deterministic nature in routing, which bounds the number of messages in finding the desired data. In these systems, DHT...
Provided by Indian Institute of Technology Guwahati
-
White Papers
On the Construction of m-Sequences Via Primitive Polynomials With a Fast Identification Method
January 5, 2011, 12:00am PST
The paper provides an in-depth tutorial of mathematical construction of maximal length sequences (m-sequences) via primitive polynomials and how to map the same when implemented in shift...
Provided by Indian Institute of Technology Guwahati
-
White Papers
An Active Host-Based Intrusion Detection System for ARP-Related Attacks and Its Verification
May 1, 2011, 12:00am PDT
Spoofing with falsified IP-MAC pair is the first step in most of the LAN based-attacks. Address Resolution Protocol (ARP) is stateless, which is the main cause that makes spoofing possible....
Provided by Indian Institute of Technology Guwahati
-
White Papers
Pricing Of Average Strike Asian Call Option Using Numerical PDE Methods
June 10, 2011, 12:00am PDT
In this paper, a standard PDE for the pricing of arithmetic average strike Asian call option is presented. A Crank-Nicolson Implicit Method and a Higher Order Compact finite difference scheme for...
Provided by Indian Institute of Technology Guwahati
-
White Papers
A Fast Adaptive Tomlinson-Harashima Precoder for Indoor Wireless Communications
August 20, 2010, 12:00am PDT
A fast adaptive Tomlinson Harashima (T-H) precoder structure is presented for indoor wireless communications, where the channel may vary due to rotation and small movement of the mobile terminal....
Provided by Indian Institute of Technology Guwahati
-
White Papers
An Investigation on Efficient Spreading Codes for Transmitter Based Techniques to Mitigate MAI and ISI in TDD/CDMA Downlink
August 20, 2010, 12:00am PDT
The authors investigate efficient spreading codes for transmitter based techniques of Code Division Multiple Access (CDMA) systems. The channel is considered to be known at the transmitter which...
Provided by Indian Institute of Technology Guwahati
-
White Papers
Poly-Dragon: An Efficient Multivariate Public Key Cryptosystem
December 1, 2009, 12:00am PST
In this paper the authors propose an efficient multivariate public key cryptosystem. Public key of the cryptosystem contains polynomials of total degree three in plaintext and ciphertext...
Provided by Indian Institute of Technology Guwahati
-
White Papers
Little Dragon Two: An Efficient Multivariate Public Key Cryptosystem
April 1, 2010, 12:00am PDT
Public key cryptography has several practical applications, for example in e-commerce systems for authentication (electronic signatures) and for secure communication. The most widely used...
Provided by Indian Institute of Technology Guwahati
-
White Papers
Reconstruction of Aggregation Tree in Spite of Faulty Nodes in Wireless Sensor Networks
October 5, 2010, 12:00am PDT
Recent advances in Wireless Sensor Networks (WSNs) have led to many new promising applications. However data communication between nodes consumes a large portion of the total energy of WSNs....
Provided by Indian Institute of Technology Guwahati
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