[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Commit-gnuradio] r5127 - gnuradio/branches/developers/n4hy/ofdm/gnuradi
From: |
trondeau |
Subject: |
[Commit-gnuradio] r5127 - gnuradio/branches/developers/n4hy/ofdm/gnuradio-examples/python/ofdm |
Date: |
Thu, 26 Apr 2007 13:35:08 -0600 (MDT) |
Author: trondeau
Date: 2007-04-26 13:35:08 -0600 (Thu, 26 Apr 2007)
New Revision: 5127
Modified:
gnuradio/branches/developers/n4hy/ofdm/gnuradio-examples/python/ofdm/benchmark_ofdm.py
Log:
added discontinuous capabilities to OFDM loopback; promising results but needs
work
Modified:
gnuradio/branches/developers/n4hy/ofdm/gnuradio-examples/python/ofdm/benchmark_ofdm.py
===================================================================
---
gnuradio/branches/developers/n4hy/ofdm/gnuradio-examples/python/ofdm/benchmark_ofdm.py
2007-04-26 19:22:37 UTC (rev 5126)
+++
gnuradio/branches/developers/n4hy/ofdm/gnuradio-examples/python/ofdm/benchmark_ofdm.py
2007-04-26 19:35:08 UTC (rev 5127)
@@ -79,11 +79,25 @@
if channel_on:
self.channel = awgn_channel(self, options.sample_rate,
noise_voltage, frequency_offset)
self.multipath = multipath_channel(self)
+
+ if options.discontinuous:
+ z = 20000*[0,]
+ self.zeros = gr.vector_source_c(z, True)
+ packet_size = 15*((4+8+4+1500+4) * 8)
+ self.mux = gr.stream_mux(gr.sizeof_gr_complex, [packet_size-0,
int(10e5)])
+
+ # Connect components
+ self.connect(self.txpath, (self.mux,0))
+ self.connect(self.zeros, (self.mux,1))
+ self.connect(self.mux, self.throttle, self.channel,
self.rxpath)
+ self.connect(self.mux, gr.file_sink(gr.sizeof_gr_complex,
"tx_ofdm.dat"))
+
+ else:
+ #self.connect(self.txpath, self.throttle, self.multipath,
self.channel)
+ self.connect(self.txpath, self.throttle, self.channel)
+ self.connect(self.channel, self.rxpath)
+ self.connect(self.txpath, gr.file_sink(gr.sizeof_gr_complex,
"tx_ofdm.dat"))
- #self.connect(self.txpath, self.throttle, self.multipath,
self.channel)
- self.connect(self.txpath, self.throttle, self.channel)
- self.connect(self.channel, self.rxpath)
- self.connect(self.txpath, gr.file_sink(gr.sizeof_gr_complex,
"tx_ofdm.dat"))
else:
self.connect(self.txpath, self.throttle, self.rxpath)
self.connect(self.txpath, gr.file_sink(gr.sizeof_gr_complex, "tx"))
@@ -123,6 +137,9 @@
help="set the SNR of the channel in dB
[default=%default]")
parser.add_option("", "--frequency-offset", type="eng_float", default=0,
help="set frequency offset introduced by channel
[default=%default]")
+ parser.add_option("","--discontinuous", action="store_true", default=False,
+ help="enable discontinous transmission (bursts of 5
packets)")
+
transmit_path.add_options(parser, expert_grp)
receive_path.add_options(parser, expert_grp)
ofdm.ofdm_mod.add_options(parser, expert_grp)
[Prev in Thread] |
Current Thread |
[Next in Thread] |
- [Commit-gnuradio] r5127 - gnuradio/branches/developers/n4hy/ofdm/gnuradio-examples/python/ofdm,
trondeau <=