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Re: [Discuss-gnuradio] Benchmark_ofdm_tx Benchmark_ofdm_rx
From: |
Eric Blossom |
Subject: |
Re: [Discuss-gnuradio] Benchmark_ofdm_tx Benchmark_ofdm_rx |
Date: |
Tue, 1 Jul 2008 07:04:54 -0700 |
User-agent: |
Mutt/1.5.17 (2007-11-01) |
On Tue, Jul 01, 2008 at 11:37:22AM +0200, matteo zunino wrote:
>
> Hi,
>
> i've a question about these two functions. My aim is to modify these
> benchmarks in order to create a trasmission system that can choose
> to put on a single carrier a BPSK or a QPSK modulation. My problem
> is this one, how can i comunicate to the receiver what carriers are
> BPSk adn what QPSK?
>
> Thanks a lot
This is typically done by sending some kind of "map" at the low rate
at the beginning of packet. Take a look at WiMAX to see how
complicated this can get ;)
Eric