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(5194 results)-
Whitepapers
Optimal Selective Feedback Policies for Opportunistic Beamforming
May 1, 2013 12:00am PDT
This paper studies the structure of downlink sum-rate maximizing selective decentralized feedback policies for opportunistic beamforming under finite feedback constraints on the average number of...
Provided by: Institute of Electrical & Electronic Engineers
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Discussion Threads
10 ways to gain valuable insights from customer feedback
April 26, 2013 8:51am PDT
10 ways to gain valuable insights from customer feedback article root Get rid of arrogance. It seems the bigger the company, i.e, AT&T, Microsoft, et all, the less they care about how their...
2 Started by TsarNikky | Latest comment by AmabelStizel
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Blog Post
10 ways to gain valuable insights from customer feedback
April 26, 2013 6:06am PDT
Applying the right methodology for collecting and analyzing user feedback will help you improve your products and services, streamline operations, and boost customer satisfaction.
2 Latest comment by AmabelStizel
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Whitepapers
Performance of Distributed Beamforming for Dense Relay Deployments in the Presence of Limited Feedback Information
April 26, 2013 12:00am PDT
In this paper, the authors study the impact of quantized channel feedback on the performance of a (coherent) Distributed Beam-Forming (DBF) scheme. The analysis is done in the context of a...
Provided by: EURASIP
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Whitepapers
First-Passage Time and Large-Deviation Analysis for Erasure Channels With Memory
April 25, 2013 12:00am PDT
This paper considers the performance of digital communication systems transmitting messages over finite-state erasure channels with memory. Information bits are protected from channel erasures...
Provided by: Texas A&M International University
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Whitepapers
Transmission Sequence Design and Allocation for Wide Area Ad Hoc Networks
April 24, 2013 12:00am PDT
In this paper, the authors examine the question of designing and allocating transmission sequences to users in a mobile ad hoc network that has no spatial boundary. A basic tenet of the...
Provided by: Chinese University of Hong Kong
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Whitepapers
FPGA Implementation for Minimum Differential Feedback of MIMO-OFDM Transreceiver System
April 1, 2013 12:00am PDT
The latest research trend in wireless communication is implementing wireless system on SDR (Software Define Radio), so the SDR implementation of MIMO-OFDM receiver with channel state information...
Provided by: International Journal of Computer Applications
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Whitepapers
EAST: Energy-Efficient Adaptive Scheme for Transmission in Wireless Sensor Networks
March 25, 2013 12:00am PDT
In this paper, the authors propose Energy-efficient Adaptive Scheme for Transmission (EAST) in WSNs. EAST is IEEE 802.15.4 standard compliant. In this approach, open-loop is used for...
Provided by: Dalhousie University
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Whitepapers
Optimization Method of Pilot Allocation for Cooperative Amplify-and-Forward OFDM System
March 20, 2013 12:00am PDT
Pilot-assisted channel estimation has been studied only in common cooperative AF (Amplify-and-Forward) OFDM which has no feedback mechanism. In this paper, for cooperative AF-OFDM system, the...
Provided by: Journal of Theoretical and Applied Information Technology
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Whitepapers
Lessons Learned From Conducting Industry Surveys in Software Testing
March 7, 2013 12:00am PST
The authors have conducted a number of industry studies looking into aspects of software testing. These include a survey of practitioner view on software tester performance indicators and team...
Provided by: Swinburne
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Whitepapers
Random Beamforming With Heterogeneous Users and Selective Feedback: Individual Sum Rate and Individual Scaling Laws
March 4, 2013 12:00am PST
This paper investigates three open problems in random beamforming based communication systems: the scheduling policy with heterogeneous users, the closed form sum rate, and the randomness of...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Linear and Nonlinear Model Predictive Control of Quadruple Tank Process
March 1, 2013 12:00am PST
In a Multi Input and Output (MIMO) process mathematical modeling of the physical systems has gained importance due to the complexity of interactions within the system. All the parameters used in a...
Provided by: International Journal of Computer Applications
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Whitepapers
A Survey : Server Timeline Analysis for Web Forensics
March 1, 2013 12:00am PST
In this paper, the authors describe an extensive study on the existing methods and techniques for the web server analysis. The web server analysis is important in forensic study as it analyses the...
Provided by: International Journal of Scientific Research Engineering &Technology (IJSRET)
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Whitepapers
Discrete Markov Chain Model for Reputation Estimation of Unstructure P2P Network
February 28, 2013 12:00am PST
Building trust relationships between peers is an important and difficult part in the security needs of P2P network without a central server. P2P reputation system has been introduced which...
Provided by: Journal of Theoretical and Applied Information Technology
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Whitepapers
Gartner 2012 SIEM Magic Quadrant
February 27, 2013 12:00am PST
The SIEM market is defined by organizations' need to analyze security data in real time for internal and external threat management, and to collect, analyze and report on data for regulatory...
Provided by: IBM
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Whitepapers
A Method for CQI Feedback Based on Distributed Compressed Sensing in Adaptive Two-Way Relay System
February 20, 2013 12:00am PST
In two-way relay wireless communication systems, adaptive modulation and scheduling are promising for increasing the system throughput. To achieve this goal, it is necessary to feedback the...
Provided by: Journal of Theoretical and Applied Information Technology
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Whitepapers
CSI Sharing Strategies for Transmitter Cooperation in Wireless Networks
February 13, 2013 12:00am PST
Multiple-antenna "Based" transmitter (TX) cooperation has been established as a promising tool towards avoiding, aligning, or shaping the interference resulting from aggressive spectral reuse. The...
Provided by: Institute of Electrical and Electronics Engineers
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Blog Post
Engage customers with push notification services
February 11, 2013 10:52am PST
Engage your customers with push notifications and choose the push notification service provider that is best for your app.
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Whitepapers
Trade-Off Between Redundancy and Feedback in Wireless Network Communication
February 4, 2013 12:00am PST
Feedback is an important control mechanism that provides reliability in most wireless network protocols. However, feedback incurs some overhead, especially in lossy network environments. Many...
Provided by: Temple Skin Care
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Whitepapers
Mobile Ad-Hoc Networks Location Prediction by Using Artificial Neural Networks: Considerations and Future Directions
February 1, 2013 12:00am PST
Location prediction serves to save capacity on the air interface of mobile radio networks. Location prediction is the estimation of a mobile host's location at a time in future. When the future...
Provided by: Creative Commons
