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[Discuss-gnuradio] GNUradio based papers on channel sounding and TDMA
From: |
Nazmul Islam |
Subject: |
[Discuss-gnuradio] GNUradio based papers on channel sounding and TDMA |
Date: |
Wed, 28 Nov 2012 00:55:09 -0500 |
Hello,
I would like to announce two GNUradio based papers that I published/submitted a few months ago. The full reference of the papers are given below:
I also want to address a particular point about my channel sounding experiments. I have seen several channel sounding based posts in the mailing list where the authors talk about the speed bottlenecks of Gigabit ethernet cable. Basically, the speed bottleneck of the ethernet cable or the computer limits the temporal resolution of the sliding correlator based channel sounding. For example, if you transmit at 10 Mega Symbol/sec, you can only find multipath components at 100 ns, 200 ns, etc. However, this problem can be bypassed by using frequency domain channel sounding. One can send a frequency hopping sequence, determine the frequency domain channel characteristics and then find the channel impulse response through inverse FFT. In this case, the temporal resolution of the multipath components won't depend on the symbol rate. The paper #1 talks about both sliding correlator and frequency domain channel sounding approaches.
Feedback and comments will be very appreciated.
Thanks,
Nazmul
--
Muhammad Nazmul Islam
Graduate Student
Electrical & Computer Engineering
Wireless Information & Networking Laboratory
Rutgers, USA.
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