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Results tagged with digital-communications
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user 46188
Digital Communication is the physical transfer of data (a digital bit stream) over a point-to-point or point-to-multipoint communication channel.
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start of packet detection
With the current lockdown, I'm spending some time in understanding L1 PHY development and have some questions on the start of packet detection in an IQ capture
Let's say I have a WiFi IQ capture wh …
- 104
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About length of the signal
I beleive that h can be a vector or scalar .. depends on channel taps i.e. h
y[n] = hx[n] + w[n] -- indicates h convolved with x[n] and then added to noise w[n]
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Accepted
Variations in MATLAB plot each time the program is executed
The plots are changing i.e. you are changing inputs to the model (be it random input sequence , random channel matrix , random gaussian noise ) .. there are lot of random combinations here.. which wil …
- 104
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answer
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WiFi Channelization for 40, 80 and 160 MHz
I have some questions on WiFi channelization in 802.11n and 802.11ac. Here is the snip of List of WiFi channels (source: WiKi):
I am working on the L1 layer for 802.11n and 802.11ac model where I am …
- 104
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Cross corelation understanding -Digital Signal Communications (searching for specific vector...
Not sure which platform you are using . if it's MATLAB , here is small code snippet which I quickly wrote using MATLAB's inbuilt "strfind" function
A = [12 534 5 23 44 66 23 68 86854 7 36 457 6 …
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