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Whitepapers
Optimal Matching Between Energy Consumption of Base Stations and Traffic Load in Green Cellular Networks
August 8, 2012 12:00am PDT
Energy efficiency has become significantly important in designing future green mobile communication systems. In this paper, a novel energy efficiency metric, which is per energy per area capacity,...
Provided by: Crown
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Whitepapers
Performance Analysis of ZF and MMSE Receivers in Uplink of MU-MIMO System
August 8, 2012 12:00am PDT
For uplink of MultiUser (MU) Multiple-Input, Multiple-Output (MIMO) system with M receive antennas at base station and one transmit antenna at each user, in this paper, performances of linear...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Simplified Performance Analysis of Energy Detectors Over Myriad Fading Channels: Area Under the ROC Curve Approach
August 1, 2012 12:00am PDT
This paper investigates the energy detector's performance in myriad fading environments by exploiting a canonical series representation of the generalized Marcum Q-function (along with...
Provided by: Academy & Industry Research Collaboration Center
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Whitepapers
Outage Probability Analysis of Macro-Diversity Combining in Poisson Field of Access Points
August 1, 2012 12:00am PDT
In this paper, the authors analyze the outage probability of uplink macro-diversity combining when Access Points (APs), which can be either base stations or distributed antennas, are randomly...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
A Generalised Formula for Calculating the Resilience of Random Key Predistribution Schemes
July 27, 2012 12:00am PDT
A commonly used metric for comparing the resilience of key pre-distribution schemes is fails, which measures the proportion of network connections which are 'broken' by an adversary which has...
Provided by: International Association for Cryptologic Research
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Whitepapers
Efficient Implementation of Bilinear Pairings on ARM Processors
July 24, 2012 12:00am PDT
As hardware capabilities increase, low-power devices such as smartphones represent a natural environment for the efficient implementation of cryptographic pairings. Few works in the literature...
Provided by: University of Washington School of Public Health & Community Medicine
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Q&A
Crystal reports, using a summary field in a formula
July 16, 2012 4:48pm PDT
Crystal reports, using a summary field in a formula I wish to use summary data (min and max values) from a single database field within a formula that sets the value of a new calculated field. I...
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Whitepapers
Time-Sensitive Utility-Based Routing in Duty-Cycle Wireless Sensor Networks With Unreliable Links
July 5, 2012 12:00am PDT
Utility-based routing is a special routing approach, which takes the reliability and transmission costs into account at the same time. However, the existing utility-based routing algorithms have...
Provided by: Temple Skin Care
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Whitepapers
A Study of FR Video Quality Assessment of Real Time Video Stream
July 2, 2012 12:00am PDT
To assess the real-time transmission video's quality, this paper presents a approach which used FR Video Quality Assessment (VQA) model to satisfy the objective and subjective measurement...
Provided by: The Schwa
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Whitepapers
Movable Object tracking by Using Mean Shift Method With Adjusted Background Histogram
July 1, 2012 12:00am PDT
Movable Object tracking is an interesting subject in the field of video tracking and its applications. When object is moving then its tracking is a challenging task in much vision area. In movable...
Provided by: International Journal of Advanced Research in Computer Science and Software Engineering (IJARCSSE)
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Discussion Threads
An alternative Excel averaging formula that doesn't evaluate zero
June 29, 2012 5:10pm PDT
An alternative Excel averaging formula that doesn't evaluate zero article root Good one, thanks Useful. In my Excel manual it include it as: [b]Ignore zeros when averaging[/b]...
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Whitepapers
On Energy-Delay Tradeoff in Base Station Sleep Mode Operation
June 24, 2012 12:00am PDT
Base Station (BS) sleeping operation is one of the effective ways to save energy, but it may lead to longer delay to the customers. In order to evaluate the tradeoffs between energy consumption...
Provided by: Tsihai
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Discussion Threads
Three ways to hide zero values in an Excel sheet
June 21, 2012 8:50am PDT
Three ways to hide zero values in an Excel sheet article root Accounting format While it doesn't remove the 0, using the Accounting format with no Symbol. This then shows a "-" instead of a zero....
12 Started by hometoy | Latest comment by hws1947@...
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Blog Post
An alternative Excel averaging formula that doesn't evaluate zero
June 20, 2012 11:49am PDT
Excel's AVERAGE() function evaluates zero values. If you want to exclude zeroes, use these alternatives.
2 Latest comment by jonc2011
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Whitepapers
Locally Best Invariant Test for Multiple Primary User Spectrum Sensing
June 20, 2012 12:00am PDT
The authors consider multi-antenna cooperative spectrum sensing in cognitive radio networks, when there may be multiple primary users. A noise-uncertainty-free detector that is optimal in the low...
Provided by: ICST
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Whitepapers
On the Performance of Spectrum Sharing Systems With Multiple Antennas
June 20, 2012 12:00am PDT
In this paper, the authors study the capacity of Spectrum Sharing (SS) Multiple-Input Multiple-Output (MIMO) systems over Rayleigh fading channels. More specifically, they present closed-form...
Provided by: ICST
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Whitepapers
Statistical Test for Multiple Primary User Spectrum Sensing
June 3, 2012 12:00am PDT
Spectrum sensing is a key component in cognitive radio networks. The existing results so far primarily focus on single primary user detection. Little is known in the most practical and critical...
Provided by: ICST
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Whitepapers
The Suggested Correlation Formula Between (HPF) and (OPMUF) Parameters Over Middle East Region
June 1, 2012 12:00am PDT
In this paper, a study of the behavior and correlation between High Possible Frequency (HPF) and Optimum Maximum Usable Frequency (OPMUF) parameters for the communication links distributed over...
Provided by: IOSR Journal of Engineering
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Whitepapers
Probabilistic Methods Based on Energy's Threshold in Switching Mode of Mobile Wireless Sensor for Surveillance Application
June 1, 2012 12:00am PDT
The continuity running of the sensor network on limited energy resources constitutes a real challenge for researchers. In fact, many schemes have been proposed to economize the wasted energy of...
Provided by: International Journal of Computer Applications
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Whitepapers
Limit and Dynamics of Information Entropy in Transmission
June 1, 2012 12:00am PDT
This paper presents a theoretical explanation and test results that an amount of information would not increase infinitely in transmission via the mathematical model of the matter for deciphering...
Provided by: Nanjing University of Posts and Telecommunications
