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University of Bradford
(36 results)-
White Papers
A New Watermarking Scheme for Colour Images Captured by Mobile Phone Cameras
August 4, 2009, 12:00am PDT
A new frequency domain based watermarking scheme for colour images captured by mobile phone cameras is proposed. The proposed technique embeds personal mobile phone numbers inside the image. The...
Provided by University of Bradford
-
White Papers
Routing in Content Addressable Networks: Algorithms and Performance
May 28, 2009, 12:00am PDT
Virtual networking has evolved into a platform that is able to service new services and applications such as large-scale data sharing, multimedia services, and application-level multicast...
Provided by University of Bradford
-
White Papers
Incorporating M-Commerce Into Organizational Strategy: A Case Study in the Tourism Sector
February 1, 2008, 12:00am PST
The widespread penetration and use of mobile phones coupled with their flexibility, functionality, and portability has presented organizations in many services and manufacturing sectors with...
Provided by University of Bradford
-
White Papers
Europe And Its Industry's Future: Benign Neglect Or European Interest?
April 25, 2009, 12:00am PDT
The European Union and its industry are facing unprecedented challenges since the inception of European construction in post-War times. The speed of economic globalization, in which the EU's open...
Provided by University of Bradford
-
White Papers
Performance Evaluation of Secure Call Admission Control (SCAC) and Secure Socket Layer (SSL)
January 1, 2011, 12:00am PST
With the increasing demand for computer communications the need for security is growing dramatically. The existing research related to security mechanisms focuses on security of the data...
Provided by University of Bradford
-
White Papers
Enhanced Mobile IP Handover Using Link Layer Information
February 17, 2011, 12:00am PST
The main source of the problem in Mobile handover is the latency and packet loss introduced by the lengthy registration processes. The registration messages must traverse all the way to the Home...
Provided by University of Bradford
-
White Papers
A New Localized Network Based Routing Model in Computer and Communication Networks
March 1, 2011, 12:00am PST
In view of the fact that routing algorithms are network layer entities and the varying performance of any routing algorithm depends on the underlying networks. Localized routing algorithms avoid...
Provided by University of Bradford
-
White Papers
Leadership And Authenticity: A Sartrean Critique
September 17, 2009, 12:00am PDT
Currently 'Authentic Leadership' is attracting increasing attention. Authenticity is an important concept within existentialist thinking and a Sartrean critique of authentic leadership is offered...
Provided by University of Bradford
-
White Papers
Projects For Regeneration: Making Them Work
June 1, 2009, 12:00am PDT
The paper analyses approaches to the management of two projects within the regeneration portfolio of a large UK metropolitan council. Developing a theoretical framework drawing both from...
Provided by University of Bradford
-
White Papers
Data Reduction and Classification Based on Multiple Classifier Behavior
May 11, 2008, 12:00am PDT
A novel method, multiple classifier behavior-based data reduction and classification algorithm, called DRC, is proposed in this paper. It arrived at the transformation of the data-space by suing...
Provided by University of Bradford
-
White Papers
A Novel IPv4/IPv6 Transition Mechanism Which Supports Transparent Connections
June 5, 2007, 12:00am PDT
Currently, the Internet consists of native IPv4 (IPv4-only), native IPv6, and IPv4/IPv6 dual networks. Unfortunately, IPv4 and IPv6 are incompatible protocols. When both IP versions are available...
Provided by University of Bradford
-
White Papers
Modelling Anomaly Based Network Intrusion Detection System Using Packet Header Protocols
June 5, 2007, 12:00am PDT
This paper describes an experimental anomaly based network intrusion detection system modeling which analyses the behaviour of packet header field values based on its layer 2, 3 and 4 protocol...
Provided by University of Bradford
-
White Papers
Some Variants on Active Random Early Detection for Internet Congestion Control
June 5, 2007, 12:00am PDT
One of the main challenges in the internet backbone is to provide an adequate Quality of Service (QoS) which can be done by either adopting a suitable buffer management method or by QoS routing....
Provided by University of Bradford
-
White Papers
Analysis of a Twin-Class M-QAM Transmission System for Wireless Communications
June 5, 2007, 12:00am PDT
Quadrature Amplitude Modulation (QAM) is a very popular modulation technique in which both phase and amplitude of carrier is varied by the symbol of the message. The M-QAM constellation is subject...
Provided by University of Bradford
-
White Papers
Performance Analysis of Dynamic Probabilistic Flooding in On-Demand Routing Protocols for MANETs
June 5, 2007, 12:00am PDT
Ad hoc network protocols use flooding as the basic mechanism to disseminate control packets. As such, the simple flooding algorithm aggravates a high number of superfluous packet rebroadcasts,...
Provided by University of Bradford
-
White Papers
IPsec-Based Multifence Secure Call Admission Control in Heterogeneous Networks
June 5, 2007, 12:00am PDT
With the growing demands for computer network communication, it becomes increasingly important to secure the data flow path. IPSec is a suite of protocols that adds security to communications at...
Provided by University of Bradford
-
White Papers
A Dynamic Medium Access Control Algorithm for IEEE 802.11 Wireless Local Area Networks
June 5, 2007, 12:00am PDT
The Wireless Local Area Network (WLAN) is a flexible data communication system that can either replace or extend a wired LAN to provide location independent network access between computation and...
Provided by University of Bradford
-
White Papers
Mathematical Modelling of Torus Networks Under Bursty Traffic
June 5, 2007, 12:00am PDT
Many performance models for interconnection networks in parallel computing systems have been reported under the assumption of non-bursty Poisson arrival process. However, network traffic loads...
Provided by University of Bradford
-
White Papers
An Analytical Model for IEEE 802.11e WLANs Under Unsaturated Traffic Conditions
June 5, 2007, 12:00am PDT
Contention Free Bursting (CFB) is a new Quality-of-Service (QoS) scheme proposed in IEEE 802.11e standard. It reduces the contention overheads by allowing a station gains the channel to transmit...
Provided by University of Bradford
-
White Papers
Comparison of the Performance of Handoff Scheme in IP Micro-Mobility
June 5, 2007, 12:00am PDT
Handover management is one of the most critical issues that mobility management protocols are concerned with. This process becomes even more critical in the case of micro-mobility where the mobile...
Provided by University of Bradford
-
White Papers
Understanding the Effects of Phase Noise and AWGN Channel in G-OFDM System
June 5, 2007, 12:00am PDT
This paper investigates the effects of Phase Noise (PN) on the performance of the Very Fast Fourier Transform (VFFT) applied to OFDM (G-OFDM) with AWGN channels. The phase noise effects in the...
Provided by University of Bradford
-
White Papers
Analytical Model for Mobility Management Using Guarded Channel Scheme
June 5, 2007, 12:00am PDT
A general mathematical model for analytical study of guarded channel allocation schemes is presented in this research paper. Expression for the queue length distribution has been analytically...
Provided by University of Bradford
-
White Papers
Robust AQM Controller for Time Delay Networks Using Smith Predictor
June 5, 2007, 12:00am PDT
The authors propose an investigation into a robust controller for Active Queue Management (AQM) using Smith Predictor (SP). A new SPRED controller is proposed and compared with traditional RED...
Provided by University of Bradford
-
White Papers
FEC and UEP Scheme for Multimedia Transmission Over Wireless Channel
November 26, 2009, 12:00am PST
Due to the fruitful and diversified contents of multimedia traffic and susceptible circumstances of wireless communications, using Unequal Error Protection (UEP) is now an active research subject....
Provided by University of Bradford
-
Whitepapers
Adaptive Multicast Streaming Based on Scalable Video Blocks and TFMCC Protocol
May 24, 2012, 12:00am PDT
This paper presents an architecture for live streaming of scalable video, which is encoded using the H.264 SVC (Scalable Video Coding) standard and transmitted over multicast groups on a...
Provided by University of Bradford
-
Whitepapers
A Flexible Framework Based on Reinforcement Learning for Adaptive Modulation and Coding in OFDM Wireless Systems
March 12, 2012, 12:00am PDT
This paper presents a machine learning approach for link adaptation in orthogonal frequency-division multiplexing systems through adaptive modulation and coding. Although machine learning...
Provided by University of Bradford
-
Whitepapers
HACBA: New Approach to Hierarchical Routing for Wireless Sensor Network
February 1, 2013, 12:00am PST
Wireless Sensor Networks are composed by sensors distributed in an environment. They are responsible to monitor and transmit its physical characteristics. These networks require robust wireless...
Provided by University of Bradford
-
Whitepapers
Methodology for Objective Evaluation of Video Broadcasting Quality Using a Video Camera at the User's Home
February 1, 2013, 12:00am PST
In this paper, a methodology for objective evaluation of the quality of video programs, without reference, recording these programs in the users' residence using a video camera is presented. The...
Provided by University of Bradford
-
White Papers
New Algorithm to Control TCP Behavior Over Lossy Links
January 8, 2009, 12:00am PST
TCP (Transmission Control Protocol) is one of the most used transport protocol in the Internet. Many widely used applications use TCP for sending data like the File Transfer Protocol (FTP), Telnet...
Provided by University of Bradford
-
White Papers
Macroeconomic Risk And Secular Bull And Bear Markets Of The Twentieth Century
November 16, 2007, 12:00am PST
In this paper, the author demonstrates that changes in the ex-ante equity premium, caused by variations in macroeconomic risk, can help to explain many features of low frequency movements of the...
Provided by University of Bradford
-
White Papers
Cross Layer Optimization for Data Gathering in Wireless Multimedia Sensor Networks Within Expected Network Lifetime
July 20, 2010, 12:00am PDT
The use of multimedia sensor nodes can significantly enhance the capability of Wireless Sensor Networks (WSNs) for event description. In a number of scenarios, e.g., an erupting volcano, the WSNs...
Provided by University of Bradford
-
White Papers
Approach Towards Energy Efficient Power Amplifier for 4G Communications
November 2, 2010, 12:00am PDT
The biggest challenge for future 4G systems is the need to limit the energy consumptions of battery-powered and base station devices, with the aim to prolong their operational time and avoid...
Provided by University of Bradford
-
White Papers
Experimental Throughput Analysis for 802.11n System and MIMO Indoor Propagation Prediction
June 25, 2011, 12:00am PDT
This paper presents an analysis of a commercial 802.11n MIMO 2x3 dual band (2.4 & 5 GHz) system focusing on the operational throughput performance over an indoor environment with Line of Sight and...
Provided by University of Bradford
-
White Papers
An Information Theoretic Approach for the Performance Evaluation of MultihopWireless Ad Hoc Networks
January 1, 2011, 12:00am PST
The information theoretic principles of Maximum Entropy (ME) and Minimum Relative Entropy (MRE) are employed, as least-biased methods of inference, towards the analysis of a multi-hop ad hoc...
Provided by University of Bradford
-
White Papers
Load-Aware Radio Access Selection in Heterogeneous Terrestrial Wireless Networks
November 1, 2011, 12:00am PDT
Terrestrial wireless network technologies such as UMTS, WiMax and WLAN are used to provide network access for both voice and data services. In big cities the densely populated areas like town...
Provided by University of Bradford
-
White Papers
Adaptive Cluster Management for Energy Efficient Sensor Networks
June 2, 2011, 12:00am PDT
This paper considers ways to improve the prolong life time of the wireless sensor networks. Power consumption during communication phases is the greatest limiting factor to sensor network...
Provided by University of Bradford
-
Whitepapers
Methodology for Objective Evaluation of Video Broadcasting Quality Using a Video Camera at the User's Home
February 1, 2013, 12:00am PST
In this paper, a methodology for objective evaluation of the quality of video programs, without reference, recording these programs in the users' residence using a video camera is presented. The...
Provided by University of Bradford
-
Whitepapers
HACBA: New Approach to Hierarchical Routing for Wireless Sensor Network
February 1, 2013, 12:00am PST
Wireless Sensor Networks are composed by sensors distributed in an environment. They are responsible to monitor and transmit its physical characteristics. These networks require robust wireless...
Provided by University of Bradford
-
Whitepapers
A Flexible Framework Based on Reinforcement Learning for Adaptive Modulation and Coding in OFDM Wireless Systems
March 12, 2012, 12:00am PDT
This paper presents a machine learning approach for link adaptation in orthogonal frequency-division multiplexing systems through adaptive modulation and coding. Although machine learning...
Provided by University of Bradford
-
Whitepapers
Adaptive Multicast Streaming Based on Scalable Video Blocks and TFMCC Protocol
May 24, 2012, 12:00am PDT
This paper presents an architecture for live streaming of scalable video, which is encoded using the H.264 SVC (Scalable Video Coding) standard and transmitted over multicast groups on a...
Provided by University of Bradford
-
White Papers
Adaptive Cluster Management for Energy Efficient Sensor Networks
June 2, 2011, 12:00am PDT
This paper considers ways to improve the prolong life time of the wireless sensor networks. Power consumption during communication phases is the greatest limiting factor to sensor network...
Provided by University of Bradford
-
White Papers
Load-Aware Radio Access Selection in Heterogeneous Terrestrial Wireless Networks
November 1, 2011, 12:00am PDT
Terrestrial wireless network technologies such as UMTS, WiMax and WLAN are used to provide network access for both voice and data services. In big cities the densely populated areas like town...
Provided by University of Bradford
-
White Papers
An Information Theoretic Approach for the Performance Evaluation of MultihopWireless Ad Hoc Networks
January 1, 2011, 12:00am PST
The information theoretic principles of Maximum Entropy (ME) and Minimum Relative Entropy (MRE) are employed, as least-biased methods of inference, towards the analysis of a multi-hop ad hoc...
Provided by University of Bradford
-
White Papers
Experimental Throughput Analysis for 802.11n System and MIMO Indoor Propagation Prediction
June 25, 2011, 12:00am PDT
This paper presents an analysis of a commercial 802.11n MIMO 2x3 dual band (2.4 & 5 GHz) system focusing on the operational throughput performance over an indoor environment with Line of Sight and...
Provided by University of Bradford
-
White Papers
Approach Towards Energy Efficient Power Amplifier for 4G Communications
November 2, 2010, 12:00am PDT
The biggest challenge for future 4G systems is the need to limit the energy consumptions of battery-powered and base station devices, with the aim to prolong their operational time and avoid...
Provided by University of Bradford
-
White Papers
Cross Layer Optimization for Data Gathering in Wireless Multimedia Sensor Networks Within Expected Network Lifetime
July 20, 2010, 12:00am PDT
The use of multimedia sensor nodes can significantly enhance the capability of Wireless Sensor Networks (WSNs) for event description. In a number of scenarios, e.g., an erupting volcano, the WSNs...
Provided by University of Bradford
-
White Papers
Macroeconomic Risk And Secular Bull And Bear Markets Of The Twentieth Century
November 16, 2007, 12:00am PST
In this paper, the author demonstrates that changes in the ex-ante equity premium, caused by variations in macroeconomic risk, can help to explain many features of low frequency movements of the...
Provided by University of Bradford
-
White Papers
New Algorithm to Control TCP Behavior Over Lossy Links
January 8, 2009, 12:00am PST
TCP (Transmission Control Protocol) is one of the most used transport protocol in the Internet. Many widely used applications use TCP for sending data like the File Transfer Protocol (FTP), Telnet...
Provided by University of Bradford
-
White Papers
FEC and UEP Scheme for Multimedia Transmission Over Wireless Channel
November 26, 2009, 12:00am PST
Due to the fruitful and diversified contents of multimedia traffic and susceptible circumstances of wireless communications, using Unequal Error Protection (UEP) is now an active research subject....
Provided by University of Bradford
-
White Papers
Robust AQM Controller for Time Delay Networks Using Smith Predictor
June 5, 2007, 12:00am PDT
The authors propose an investigation into a robust controller for Active Queue Management (AQM) using Smith Predictor (SP). A new SPRED controller is proposed and compared with traditional RED...
Provided by University of Bradford
-
White Papers
Analytical Model for Mobility Management Using Guarded Channel Scheme
June 5, 2007, 12:00am PDT
A general mathematical model for analytical study of guarded channel allocation schemes is presented in this research paper. Expression for the queue length distribution has been analytically...
Provided by University of Bradford
-
White Papers
Understanding the Effects of Phase Noise and AWGN Channel in G-OFDM System
June 5, 2007, 12:00am PDT
This paper investigates the effects of Phase Noise (PN) on the performance of the Very Fast Fourier Transform (VFFT) applied to OFDM (G-OFDM) with AWGN channels. The phase noise effects in the...
Provided by University of Bradford
-
White Papers
Comparison of the Performance of Handoff Scheme in IP Micro-Mobility
June 5, 2007, 12:00am PDT
Handover management is one of the most critical issues that mobility management protocols are concerned with. This process becomes even more critical in the case of micro-mobility where the mobile...
Provided by University of Bradford
-
White Papers
An Analytical Model for IEEE 802.11e WLANs Under Unsaturated Traffic Conditions
June 5, 2007, 12:00am PDT
Contention Free Bursting (CFB) is a new Quality-of-Service (QoS) scheme proposed in IEEE 802.11e standard. It reduces the contention overheads by allowing a station gains the channel to transmit...
Provided by University of Bradford
-
White Papers
Mathematical Modelling of Torus Networks Under Bursty Traffic
June 5, 2007, 12:00am PDT
Many performance models for interconnection networks in parallel computing systems have been reported under the assumption of non-bursty Poisson arrival process. However, network traffic loads...
Provided by University of Bradford
-
White Papers
A Dynamic Medium Access Control Algorithm for IEEE 802.11 Wireless Local Area Networks
June 5, 2007, 12:00am PDT
The Wireless Local Area Network (WLAN) is a flexible data communication system that can either replace or extend a wired LAN to provide location independent network access between computation and...
Provided by University of Bradford
-
White Papers
IPsec-Based Multifence Secure Call Admission Control in Heterogeneous Networks
June 5, 2007, 12:00am PDT
With the growing demands for computer network communication, it becomes increasingly important to secure the data flow path. IPSec is a suite of protocols that adds security to communications at...
Provided by University of Bradford
-
White Papers
Performance Analysis of Dynamic Probabilistic Flooding in On-Demand Routing Protocols for MANETs
June 5, 2007, 12:00am PDT
Ad hoc network protocols use flooding as the basic mechanism to disseminate control packets. As such, the simple flooding algorithm aggravates a high number of superfluous packet rebroadcasts,...
Provided by University of Bradford
-
White Papers
Analysis of a Twin-Class M-QAM Transmission System for Wireless Communications
June 5, 2007, 12:00am PDT
Quadrature Amplitude Modulation (QAM) is a very popular modulation technique in which both phase and amplitude of carrier is varied by the symbol of the message. The M-QAM constellation is subject...
Provided by University of Bradford
-
White Papers
Some Variants on Active Random Early Detection for Internet Congestion Control
June 5, 2007, 12:00am PDT
One of the main challenges in the internet backbone is to provide an adequate Quality of Service (QoS) which can be done by either adopting a suitable buffer management method or by QoS routing....
Provided by University of Bradford
-
White Papers
Modelling Anomaly Based Network Intrusion Detection System Using Packet Header Protocols
June 5, 2007, 12:00am PDT
This paper describes an experimental anomaly based network intrusion detection system modeling which analyses the behaviour of packet header field values based on its layer 2, 3 and 4 protocol...
Provided by University of Bradford
-
White Papers
A Novel IPv4/IPv6 Transition Mechanism Which Supports Transparent Connections
June 5, 2007, 12:00am PDT
Currently, the Internet consists of native IPv4 (IPv4-only), native IPv6, and IPv4/IPv6 dual networks. Unfortunately, IPv4 and IPv6 are incompatible protocols. When both IP versions are available...
Provided by University of Bradford
-
White Papers
Data Reduction and Classification Based on Multiple Classifier Behavior
May 11, 2008, 12:00am PDT
A novel method, multiple classifier behavior-based data reduction and classification algorithm, called DRC, is proposed in this paper. It arrived at the transformation of the data-space by suing...
Provided by University of Bradford
-
White Papers
Projects For Regeneration: Making Them Work
June 1, 2009, 12:00am PDT
The paper analyses approaches to the management of two projects within the regeneration portfolio of a large UK metropolitan council. Developing a theoretical framework drawing both from...
Provided by University of Bradford
-
White Papers
Leadership And Authenticity: A Sartrean Critique
September 17, 2009, 12:00am PDT
Currently 'Authentic Leadership' is attracting increasing attention. Authenticity is an important concept within existentialist thinking and a Sartrean critique of authentic leadership is offered...
Provided by University of Bradford
-
White Papers
A New Localized Network Based Routing Model in Computer and Communication Networks
March 1, 2011, 12:00am PST
In view of the fact that routing algorithms are network layer entities and the varying performance of any routing algorithm depends on the underlying networks. Localized routing algorithms avoid...
Provided by University of Bradford
-
White Papers
Enhanced Mobile IP Handover Using Link Layer Information
February 17, 2011, 12:00am PST
The main source of the problem in Mobile handover is the latency and packet loss introduced by the lengthy registration processes. The registration messages must traverse all the way to the Home...
Provided by University of Bradford
-
White Papers
Performance Evaluation of Secure Call Admission Control (SCAC) and Secure Socket Layer (SSL)
January 1, 2011, 12:00am PST
With the increasing demand for computer communications the need for security is growing dramatically. The existing research related to security mechanisms focuses on security of the data...
Provided by University of Bradford
-
White Papers
Europe And Its Industry's Future: Benign Neglect Or European Interest?
April 25, 2009, 12:00am PDT
The European Union and its industry are facing unprecedented challenges since the inception of European construction in post-War times. The speed of economic globalization, in which the EU's open...
Provided by University of Bradford
-
White Papers
Incorporating M-Commerce Into Organizational Strategy: A Case Study in the Tourism Sector
February 1, 2008, 12:00am PST
The widespread penetration and use of mobile phones coupled with their flexibility, functionality, and portability has presented organizations in many services and manufacturing sectors with...
Provided by University of Bradford
-
White Papers
Routing in Content Addressable Networks: Algorithms and Performance
May 28, 2009, 12:00am PDT
Virtual networking has evolved into a platform that is able to service new services and applications such as large-scale data sharing, multimedia services, and application-level multicast...
Provided by University of Bradford
-
White Papers
A New Watermarking Scheme for Colour Images Captured by Mobile Phone Cameras
August 4, 2009, 12:00am PDT
A new frequency domain based watermarking scheme for colour images captured by mobile phone cameras is proposed. The proposed technique embeds personal mobile phone numbers inside the image. The...
Provided by University of Bradford
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