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(12184 results)
White Papers, Webcasts, and Resources
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Check out this white paper to learn more about the state of internet security in 2011. The information you pick up here could end up saving you from an attack that's just around the corner.
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White Papers
A Feedback Update Control Scheme for Limited Feedback Multiple Antennas Systems
June 1, 2010 12:00am PDT
Allowing the receiver in a multiple antenna wireless system to send a limited amount of Channel State Information (CSI) feedback is an effective way to enable channel adaptive signaling. This...
Provided by: Institute of Electrical and Electronics Engineers
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White Papers
Cross-Layer CQI Feedback Window Adaptation for OFDMA Systems Under Feedback Budget Constraint
April 5, 2011 12:00am PDT
In this paper, the authors propose an adaptive feedback reduction scheme FWA (Feedback Window Adaptation) for OFDMA systems with limited feedback budget. The FWA algorithm adapts Channel Quality...
Provided by: University of Paris-Sud
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White Papers
The Feedback-Seeker In His Social Labyrinth: The Mediating Role Of Goals And Cooperative Norms In Linking Empowering Leadership To Feedback-Seeking Behavior
November 9, 2008 12:00am PST
This paper examined how feedback seekers' and targets' characteristics affect how feedback-seeking acts are evaluated. The authors studied how two aspects of the pattern of feedback seeking, the...
Provided by: Vlerick Leuven Gent Management School
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White Papers
Effect of Feedback Delay on Multi-Antenna Limited Feedback for Temporally-Correlated Channels
April 4, 2007 12:00am PDT
A novel method based on Markov chain theory is proposed for analyzing the effect of feedback delay on a transmit beamforming system with limited feedback. Using this method, the ergodic capacity...
Provided by: Institute of Electrical and Electronics Engineers
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Software
Merlin InstantFeedback 2.4.43 (Windows)
April 28, 2011 12:00am PDT
InstantFeedback makes it easy by running in the background and automatically posting as soon as positive feedback is left for you on eBay. Enter your own comments or use the included ones, specify...
Provided by: PC TechZone
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Downloads
Merlin InstantFeedback 2.4.43 (Windows)
April 28, 2011 12:00am PDT
InstantFeedback makes it easy by running in the background and automatically posting as soon as positive feedback is left for you on eBay. Enter your own comments or use the included ones, specify...
Provided by: PC TechZone
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White Papers
Compressive Sensing for Feedback Reduction in MIMO Broadcast Channels
December 24, 2010 12:00am PST
The authors propose a generalized feedback model and compressive sensing based opportunistic feedback schemes for feedback resource reduction in MIMO Broadcast Channels under the assumption that...
Provided by: University of Akron
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White Papers
Distributed Adaptation of Quantized Feedback for Downlink Network MIMO Systems
November 28, 2010 12:00am PST
This paper focuses on quantized Channel State Information (CSI) feedback for downlink network MIMO systems. Specifically, the authors propose to quantize and feedback the CSI of a subset of BSs,...
Provided by: Institute of Electrical and Electronics Engineers
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White Papers
Multi-Antenna Limited Feedback for Temporally-Correlated Channels: Feedback Compression
March 17, 2006 12:00am PST
A novel method is proposed for reducing the feedback rate of a transmit beamforming system with feedback of quantized channel state information. Specifically, the channel is modeled as a Markov...
Provided by: University of Texas
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White Papers
Stochastic Control of Event-Driven Feedback in Multi-Antenna Interference Channels
December 18, 2010 12:00am PST
Spatial interference avoidance is a simple and effective way of mitigating interference in multi-antenna wireless networks. The deployment of this technique requires Channel-State Information...
Provided by: Hong Kong University of Science and Technology
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White Papers
Limited Feedback Schemes for Downlink OFDMA Based on Sub-Channel Groups
January 1, 2011 12:00am PST
In a downlink Orthogonal Frequency Division Multiple Access (OFDMA) system, optimally allocating sub-channels across mobile users can require excessive feedback of Channel State Information (CSI)....
Provided by: Northwestern University
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White Papers
Limited Feedback Schemes for Downlink OFDMA Based on Sub-Channel Groups
January 1, 2011 12:00am PST
In a downlink Orthogonal Frequency Division Multiple Access (OFDMA) system, optimally allocating sub-channels across mobile users can require excessive feedback of Channel State Information (CSI)....
Provided by: Northwestern University
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White Papers
Explicit Vs. Implicit Feedback for SU and MU-MIMO
October 18, 2010 12:00am PDT
SU and MU-MIMO performance relies on accurate link adaptation in order to benefit from multi-user scheduling, beamforming, adaptive coding and modulation. Such accuracy highly depends on the type...
Provided by: Institute of Electrical and Electronics Engineers
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White Papers
Partial and Analog Feedback for MISO Precoding Systems
June 1, 2007 12:00am PDT
The authors consider a multiple input single output antenna system with a feedback link. While most of the previous works have considered perfect feedback channels, in this paper, they evaluate...
Provided by: Institute of Electrical and Electronics Engineers
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White Papers
On the Minimum Differential Feedback for Time-Correlated MIMO Rayleigh Block-Fading Channels
June 1, 2010 12:00am PDT
In this paper, the authors investigate the differential Channel State Information (CSI) feedback problem for a general Multiple Input Multiple Output (MIMO) system over time-correlated Rayleigh...
Provided by: Institute of Electrical and Electronics Engineers
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Software
Formative Feedback for Learning 1.2 (Mobile)
October 1, 2011 12:00am PDT
"Formative Feedback for Learning looks very useful" and "I can see myself recommending it to others" - Assessment Guru Dylan William"The most effective APP my students have used" - Jill, LOTE...
Provided by: Paul Hamilton
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Downloads
Formative Feedback for Learning 1.2 (Mobile)
October 1, 2011 12:00am PDT
"Formative Feedback for Learning looks very useful" and "I can see myself recommending it to others" - Assessment Guru Dylan William"The most effective APP my students have used" - Jill, LOTE...
Provided by: Paul Hamilton
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White Papers
Parametric Compression of Rank-1 Analog Feedback in MIMO-OFDM
December 1, 2009 12:00am PST
The authors consider the problem of Channel State Information (CSI) transmission on a fast feedback link for a Multiuser-MIMO OFDM system. They compare codebook based feedback with analog based...
Provided by: Mitsubishi Electric Research Laboratories
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White Papers
A Self-Determination Model Of Feedback-Seeking Behavior In Organizations
September 21, 2006 12:00am PDT
The current paper presents a theoretical framework on feedback-seeking behavior in organizations. Based upon the model, which is derived from self-determination theory, the authors summarize and...
Provided by: Vlerick Leuven Gent Management School
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White Papers
Limited Feedback for Temporally Correlated MIMO Channels With Other Cell Interference
December 11, 2009 12:00am PST
Limited feedback improves link reliability with a small amount of feedback from the receiver back to the transmitter. In cellular systems, the performance of limited feedback will be degraded in...
Provided by: University of Texas
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White PapersKey eDiscovery Issues to Consider in 2011
Check out this white paper to learn more about the state of internet security in 2011. The information you pick up here could end up saving you from an attack that's just around the corner.
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