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Recent Announcements
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Timing Innovation!
Some might say innovation wins, speaks for itself... That might be true in a perfect world, however in a more realistic scenario, innovation needs to be timed well, and backed by a strong business drive! The Nevo family, one of the most innovative platforms that I had the pleasure of working on, from user interface to technology. Good old times with late night coding sessions and Chili's take-outs!
Posted Nov 19, 2011 10:09 PM by Arsham Hatambeiki
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A whitepaper on Wireless Standards in AV Control
I thought it's worth capturing this just for historical value as I have to admit much has happened in the two years since we published this paper and "very soon" a major update will be coming out. This is an overview & comparison of Zigbee, Z-Wave, RF4CE, Bluetooth and Wi-Fi in the home. Again, in the recent two years we've seen Bluetooth gain market in specific applications, RF4CE gain momentum in price sensitive and simple application, and Wi-Fi become a prominent technology for content delivery. Now next phase is approaching quickly...Radio Frequency (RF) Technology in Handheld Controllers: An Overview of Audio, Video, and Home Control
Posted Nov 19, 2011 9:51 PM by Arsham Hatambeiki
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Wireless Local Area Network (In)Security
This is a study of insecurities in IEEE 802.11 Wireless Local Area Network (WLAN) standard due to the poor implementation of RC4 in Wired Equivalent Privacy (WEP) encryption algorithm used in this standard and other implementation specific problems passed on to wireless networks from the traditional wired Local Area Networks (LANs). In addition to the attacks already in use by many I have proposed a new approach based on Genetic Algorithm to improve the speed of cracking the secret key used to encrypt the packets. I have also provided a step-by-step approach to hacking WLANs with a brief description of some of the tools available for each step. For completeness I have included a brief overview of ...
Posted Nov 19, 2011 5:13 PM by Arsham Hatambeiki
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Analog Circuit Optimization using Genetic Algorithm
The objective in this project is to optimize a given circuit using Genetic Algorithm. The parameter which will be optimized can be chosen by the user and the program will change the specified parameters to reach the desired accuracy. The first step is to be able to fit a function to desired values, this has been done for a specified function as an example in the Fit_Function program. The next step is to find a Simulator which simulates the specified circuit and returns the symbolic transfer function of the circuit, or else we would have to run a numerical simulator like PSPICE in each iteration and that is going to make the optimization process take a much longer time ...
Posted Nov 19, 2011 5:14 PM by Arsham Hatambeiki
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Fit Function
This is an example of Object Oriented programming. This program has been written using VC++ 6.0 as a Win32 Console application. This program uses Genetic Algorithm to fit a function to as many points as you desire. it's objective is to minimize the some of square errors in all the points.We choose the function as follows:it has 12 coefficients, so we choose the chromosome as an array of 12 Real numeric quantities and we generate each generation (population) of 20 chromosomes as follows:1.Ten best chromosomes of the previous generation are included in this generation automatically.2.Next ten chromosomes are generated using Genetic laws of inheritance ( Cross Over, Mutation ) Using the best 10 results ...
Posted Nov 19, 2011 5:18 PM by Arsham Hatambeiki
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