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(5188 results)-
Whitepapers
Influence of HARQ With Unreliable Feedback on the Throughput of UMTS LTE
August 2, 2012 12:00am PDT
In this paper, the impact of HARQ signaling errors caused by unreliable feedback on the throughput of communication systems like UMTS LTE is investigated. The authors derive analytical expressions...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Iterative Block Decision Feedback Equalizer for Time-Frequency Interleave Diversity Scheme
August 2, 2012 12:00am PDT
The Time-Frequency Interleave (TFI) diversity scheme for Single Carrier block transmission with Frequency Domain Equalization (SC-FDE) has been proposed. For single antenna wireless communication...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Stop-and-Wait Hybrid-ARQ Performance at IP Level Under Imperfect Feedback
August 2, 2012 12:00am PDT
The authors investigate several types of Stop and Wait HARQ schemes under imperfect feedback conditions. Performance is measured through the usual metrics, i.e. packet error rate, delay, and...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
A Novel Hybrid ARQ Scheme Based on LDPC Code Extension and Feedback
August 2, 2012 12:00am PDT
The design of an efficient hybrid Automatic Repeat reQuest (ARQ) scheme based on rate compatible Low Density Parity Check (LDPC) codes is considered. It has been shown that extending as well as...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Adaptive Bit Allocation in Rateless Coded MISO Downlink System with Limited Feedback
August 2, 2012 12:00am PDT
Rateless coding is a new type of feed-forward incremental redundancy channel coding technique which can be incorporated with MIMO technology to exploit both the diversity and coding gain with...
Provided by: Institute of Electrical and Electronics Engineers
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Whitepapers
Analysing & Identifying SAAS for Development of a Project by Calculating Its Reputation
August 1, 2012 12:00am PDT
Assessing the quality of external software before integrating it in to the project development is very challenging now a day. As IT industry is moving towards newly evolving tool named...
Provided by: International Journal of Advanced Research in Computer Science and Software Engineering (IJARCSSE)
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Whitepapers
Microcontroller Based Anti-Theft Security System Using GSM Networks With Text Message as Feedback
August 1, 2012 12:00am PDT
Antitheft security system utilizes an embedded system design with Dual Tone Multi Frequency (DTMF) and a GSM to monitor and safeguard a car. It secures the car against theft. Upon activation, it...
Provided by: International Journal of Engineering Research and Development (IJERD)
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Whitepapers
Comparative Analysis of ADTCP and M-ADTCP: Congestion Control Techniques for Improving TCP Performance Over Ad-Hoc Networks
August 1, 2012 12:00am PDT
Identifying the occurrence of congestion in a Mobile Ad-hoc NETwork (MANET) is a major task. The inbuilt congestion control techniques of existing Transmission Control Protocol (TCP) designed for...
Provided by: Academy & Industry Research Collaboration Center
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Whitepapers
An Audio Haptic Tool for Visually Impaired Web Users
August 1, 2012 12:00am PDT
An application that functions as a browser has been created for visually impaired web users. It is distinctive from popular browsers such as Internet Explorer, Firefox and Google Chrome as it is...
Provided by: Journal of Computing
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Whitepapers
Ultra Encryption Standard (UES) Version-IV: New Symmetric Key Cryptosystem with Bit-Level Columnar Transposition and Reshuffling of Bits
August 1, 2012 12:00am PDT
The present paper is an extension of the previous work of the authors i.e. UES version-II and III. Roy et al recently developed few efficient encryption methods such as UES version-I, Modified...
Provided by: International Journal of Computer Applications
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Whitepapers
Bandwidth Extension of BJT Amplifier Using a Novel Cascade Topology
August 1, 2012 12:00am PDT
In any amplifier design, it is always necessary to give utmost attention to its frequency response analysis. While applying frequency response for some application it is also important to extend...
Provided by: Gauhati University
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Whitepapers
Voice Controlled Data Acquisition Car Based on Zigbee Technology
August 1, 2012 12:00am PDT
This paper is to design a voice controlled car and use it as a platform for obtaining feedback from a critically controlled environment. The system comprises of a user interface module and a...
Provided by: IOSR Journal of Engineering
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Whitepapers
Hybrid Message-Embedded Cipher Using Logistic Map
August 1, 2012 12:00am PDT
The proposed hybrid message embedded scheme consists of hill cipher combined with message embedded chaotic scheme. Message-embedded scheme using non-linear feedback shift register as non-linear...
Provided by: Academy & Industry Research Collaboration Center
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Whitepapers
Capacity Results for Two Classes of Three-Way Channels
August 1, 2012 12:00am PDT
This paper considers the three-way channel, consisting of three nodes, where each node broadcasts a message to the two other nodes. The capacity of the finite-field three-way channel is derived,...
Provided by: University of New York in Prague
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Q&A
Opinions/Feedback - Clonezilla
July 30, 2012 9:15am PDT
Opinions/Feedback - Clonezilla I've used Ghost and Acronis over the years but as far as "free" goes has anyone used Clonezilla? Opinions, feedback, etc... TIA! Works well I've had no great...
9 Started by Rob Kuhn | Latest comment by backupguy80
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Whitepapers
STIR-Ing the Wireless Medium With Self-Tuned, Inference-Based, Real-Time Jamming
July 30, 2012 12:00am PDT
Jamming, broadcasting to intentionally interfere with wireless reception has long been a problem for wireless systems. Recent research demonstrates numerous advances in jamming techniques that...
Provided by: Carnegie Mellon University
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Whitepapers
Automated Feedback System for Multimedia in Multiprocessors
July 24, 2012 12:00am PDT
In spite of many real times scheduling algorithms available it is not clear that these scheduling algorithms support fully the problems in the real time system in multiprocessors. There are...
Provided by: International Journal of Computer Science & Engineering Technology (IJCSET)
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Whitepapers
Low Complexity and Provably Efficient Algorithm for Joint Inter and Intrasession Network Coding in Wireless Networks
July 23, 2012 12:00am PDT
The performance of wireless networks can be enhanced by performing network coding on the intermediate relay nodes. To enhance the throughput of large wireless networks, the authors can decompose...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Adaptive Sensor Activation for Target Tracking in Wireless Sensor Networks
July 22, 2012 12:00am PDT
This paper presents an adaptive sensor activation for target tracking in wireless sensor networks by dynamically adjusting the range of sensor selective activation instead of fixed one. A...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Reputation Algebra for Cloud-Based Anonymous Data Storage Systems
July 19, 2012 12:00am PDT
Given a cloud-based anonymous data storage system, there are two ways for managing the nodes involved in file transfers. One of them is using reputations and the other uses a micropayment system....
Provided by: Cornell University
