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A cluster is a fundamental block in downlink PUSC. It spans over 2 time symbols .
It looks like this
Tsym 1 Tsym 2
f1 d *P*
f2 d d
f3 d d
f4 d d
f5 *P*...
wimax free space loss
7MHz ; 64QAM let say rate 1/2
I dont know abt 7Mhz but i can tell u for 10 Mhz
For Downlink
We have to calculate the
Theoretical Thruput = 1/2* ( #Carriers (for pusc) / OFDMA symbol time(in usec))*6(in bits/subcarrier)
1/2 --> 1/2 CC rate
6 --> for 64 QAM the bit...
Re: optimal training signals for MIMO OFDM channel estimatio
As the name suggests , pilots are used for estimating the channel .
Pilots are sent with known values to both the TX and Rx.
Pilots are sent between data signals . The higher the pilot density
the better the estimation .
If there has...
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