On 03.03.2014 21:32, Aditya Dhananjay wrote:
Hi Achuth,
Channel sounding with USRP radios and GNU Radio has been done by some
folks at Rutgers and AT&T Labs.
http://arxiv.org/pdf/1211.4940v1.pdf
Achuth, Aditya,
channel sounding is not really what this project is about (although it's
a small part, sure).
I recommend you watch the FOSDEM video and read the papers, then come
back with specific questions.
Martin
It might be a good idea to contact Nazmul Islam (CCed) about this
project. Good luck.
best,
aditya
On Mon, Mar 3, 2014 at 3:05 PM, achuth pv <achut...@gmail.com
<mailto:achut...@gmail.com>> wrote:
Hi everyone,
My name is Achuth PV, first year Master of Technology student in
Communication and Signal Processing, Indian Institute of Technology,
Bombay, India.
I am really interested to work in the GSoC project "Wireless
Networks In-the-Loop" and "Channel Sounder"( proposed in 2012 ).
=============================
*Wireless Networks In-the-Loop*
The basic idea behind "Wireless Networks In-the-Loop" (WiNeLo) is to
build a GR-based network emulator. This implies the modeling of the
underlying SDR hardware, the individual channels & interference
characteristics, as well as the timing behavior (produce correct
amount of noise samples if no node is transmitting). The project
already started in 2011 and as a outcome, the basic functionality --
the framework with client-server based "sample dispatcher" as well
as some example hardware & channel models -- has already been
implemented in the gr-winelo OOT, which will be published on github
soon.
Seehttp://video.fosdem.org/2014/AW1125/Sunday/Wireless_Networks_IntheLoop.webm
for
a quick introdcution to "Wireless Networks In-the-Loop".
Objectives
There are various tasks covering several areas. Possible
(sub-)projects are:
* (Signal Processing) Implementation of new hardware/channel
models like a SDR platform/specific daughterboards or reference
channels.
* (Optimization & Performance) Improve performance of existing
implementation (port python code to C/C++, develop new
mechanisms to collect & distribute samples between several nodes).
* (Signal Processing & Development Tools) Implementation of new
development tools like "breakpoints on the air link" (pause the
entire emulation if certain criteria (BER, SNR,
interference/collisions) is fulfilled on the virtual channel/at
single nodes).
Potential mentor(s)
Nico Otterbach
=========================
*Channel Sounder (Proposed in 2012)*
*Details*: Channel sounding describes the process of measuring a
multipath propagation channel and obtain information about excess
delay, Doppler spread and fading properties. The final product
should make use of USRPs for channel sounding (the high timing
constraints require use of the FPGA) and provide a complete
measurement tool which can be used to gather statistics about mobile
communication channels.
*Knowledge prerequisite:* Digital signal processing basics, FPGA basics
*Access to USRPs required.*
*
*
*=========================*
My fields of interest are signal processing, wireless and digital
communication, hardware and software programming and data networks.
I am really comfortable in programming using C/C++, java, matlab,
assembly language, VHDL and I have understanding of Python, CUDA,
git. I am also comfortable in working in Linux. I am a team player
and a fast learner and has got good commitment. My B Tech final year
project was "Implementation and comparison of various DCT
architectures on FPGA using VHDL"
I got exposed to GnuRadio for the first time as a part of a course
project in Wireless and Mobile Communication taken as a part of my
masters.
I want to contribute a lot to the open source world and I want GSoC
to be the stepping stone for that.
Can any one please tell me how to start working on these projects.
Thanks in Advance
Achuth
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