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$39 USD / hour
Flag of NETHERLANDS
$39 USD / hour
It's currently 10:51 AM here
Joined October 14, 2011
17 Recommendations

Hamid M.

@hmramezani

5.0 (148 reviews)
7.1
7.1
$39 USD / hour
Flag of NETHERLANDS
$39 USD / hour
100%
Jobs Completed
100%
On Budget
99%
On Time
29%
Repeat Hire Rate

Electrical Eng.

I am a five-star freelancer with a Ph.D. degree who has completed more than 140 projects according to and beyond employers' expectations, It is more than 15 years that I am involved in programming with software including MATLAB, Python, C, C++, Java, Verilog, VHDL, and so on. Above that, I have worked for different industrial companies being responsible for system modeling, simulations, design, and algorithm development. From an academic perspective, I am graduated with a doctoral degree in signal processing and wireless communications from one of the best universities in the world. In addition, I have published several journal and conference papers in well-known magazines and conferences. Please contact me if you want to know more about me. I would be happy to help you with your projects. Tags: statistical signal processing, algorithms, system modeling, wireless communications, Massive MIMO, OFDM, Adaptive filters, localization, sensor networks, Cellular and LTE systems, etc.
Freelancer Matlab and Mathematica Engineers Netherlands

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Portfolio Items

One example of a color coded QR
color coding, color QR
One example of a color coded QR
color coding, color QR
Different algorithms such as :

                            % Method 1: SejnowskiAlg (high nO, slow, low  performance)
                            % Method 2: AmeriAlg     (high nO, med , low  performance)
                            % Method 3: Jade (added) (med  nO, fast, good perfromance)
                            % Method 4: ConvexDiv    (low  nO, slow, best perfromance)

are used in blind source separations for audio or random signals. 

------------------------------------------------------
                 Analysis                             
------------------------------------------------------
  1. The following matrix has to have one dominant 
     value is each row -> 

    0.9528   -0.0030    0.2472
   -0.0025   -0.9929    0.0133
   -0.2811    0.0853    0.9497

SNR for the recovered signal 1 is -11.90
SNR for the recovered signal 2 is -36.59
SNR for the recovered signal 3 is -10.63
Blind source separation
The image shows the dynamic behavior of the network which has employed CSMA for channel allocation to different users.
Carrier sense mutiple access
The image shows the dynamic behavior of the network which has employed CSMA for channel allocation to different users.
Carrier sense mutiple access
The image shows the actual users locations and their estimated positions via different localization algorithms.
Localization, TDoA, ToA, ToF
The image shows the OFDM performance over Rayleigh fading channel for different symbol modulations.
OFDM system perform over fading channel

Reviews

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Showing 1 - 5 out of 50+ reviews
Filter reviews by: 5.0
$150.00 USD
Hamid is a great professional who clearly knows what he is doing. He is good and very cooperative at answering all the questions asked.
Wireless Matlab and Mathematica Algorithm Mathematics
+1 more
R
Flag of Ronald N. @rniwamanya
2 years ago
5.0
$405.00 USD
Excellent work , on time on budget , coder very knowledgeable and one you can trust , will work in the future with Hamid I really appreciate his patience
Wireless Matlab and Mathematica Algorithm Mathematics
+1 more
E
Flag of Edward T. @energe
2 years ago
5.0
$200.00 USD
The quality of his work is always beyond expectation. He also provides solutions and creative ideas to promote the project quality.
Wireless Matlab and Mathematica Algorithm Mathematics
+1 more
D
Flag of Ali D. @developerdxb
3 years ago
5.0
$450.00 USD
He always provides an outstanding piece of work. And he answers my frequent questions about the work willingly. Lots of thanks to him.
Wireless Matlab and Mathematica Algorithm Mathematics
+1 more
D
Flag of Ali D. @developerdxb
4 years ago
5.0
$70.00 USD
Fast and perfect code.
Wireless Matlab and Mathematica Algorithm Mathematics
+1 more
D
Flag of Ali D. @developerdxb
4 years ago

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Certifications

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Top Skills

Matlab and Mathematica 147 Mathematics 93 Telecommunications Engineering 86 Algorithm 85 Wireless 73

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