Multipath Fading

GNU Radio
1

Dear Sir/Mam,

Hello, i am a student working on the development of a channel emulator,
Can
you tell me how can you make one in GNU Radio?

2

Regarding my last post i want to bring it to your notice that i have to
implement a multipath fading channel emulator so can you tell me how can
i
do that?

On Sat, Apr 25, 2015 at 5:03 PM, Ritvik P. [email protected]

3

On 04/25/2015 07:36 AM, Ritvik P. wrote:

emulator, Can you tell me how can you make one in GNU Radio?

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Take a look at the blocks in GRC under “Channel Models”. It looks like
static multipath fading is handled/approximated by a couple of the
blocks there.

4

Hi Ritvik,

also notice that you might want to have a look at how things are done in
GNU Radio generally:
https://gnuradio.org/redmine/projects/gnuradio/wiki/Guided_Tutorials

I really recommend reading part 1 to 5.

Greetings,
Marcus

5

I think this block is just a single tap channel. If you want to have
multipath channel use channel_model2 instead:

http://gnuradio.org/doc/doxygen/classgr_1_1channels_1_1channel__model2.html

Best,
Mostafa

On Sat, Apr 25, 2015 at 8:44 PM, Ritvik P. [email protected]
wrote:

time variation of the power of the signal (i think you’re using a single
K = 4

seems almost the same. Can you guide to the mathematical model of the

If you have enough background knowledge you need classify channels as

Dear Sir/Mam,

IRAN
Tel: +98 (919) 158-7730
LAB: http://ele.aut.ac.ir/~mmwcl/?page_id=411
Homepage: http://ele.aut.ac.ir/~alizadeh/

–

Department of Electrical Engineering
Aboureyhan Building
MMWCL LAB
Amirkabir University Of Technology
Tehran
IRAN
Tel: +98 (919) 158-7730
LAB: http://ele.aut.ac.ir/~mmwcl/?page_id=411
Homepage: http://ele.aut.ac.ir/~alizadeh/