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authorjcorgan2009-01-27 16:10:28 +0000
committerjcorgan2009-01-27 16:10:28 +0000
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Removed DECT Python example. Refer to DECT project in CGRAN for a more comprehensive example.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@10313 221aa14e-8319-0410-a670-987f0aec2ac5
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-This directory contains a work in progress service monitor for DECT
-digital cordless phone base stations and handsets.
-
-
-Status
-------
-
-2007 Apr 27 - Converted to new hier_block2 format
-2007 Apr 03 - Development on hold.
-2007 Feb 11 - Added GMSK demodulation and option to log to file
-2007 Feb 10 - Able to tune and log filtered baseband to file
-
-
-Files
------
-
-usrp_dect.py - DECT receiver application
-
-dect_receiver.py - Top-level hierarchical block (new type) implementing
- receiver
-
-usrp_source.py - Hierarchical block (new type) implementing a USRP
- complex source, with convenience functions for tuning,
- gain, decimation, etc.
-
-gmsk2.py - Hierarchical block (new type) implementing GMSK
- modulation and demodulation. This will eventually go
- into the core blksimpl directory
-
-DECT Modulation Details
------------------------
-
-In the US, the FCC has allocated four carrier frequencies for DECT usage:
-
-Channel Frequency
-------- ---------
- 1 1921.536 MHz
- 2 1923.264 MHz
- 3 1924.992 MHz
- 4 1926.720 MHz
-
-These are spaced at 1.728 MHz intervals.
-
-The DECT PHY uses GMSK with a 0.5 bandwidth-time product at 1.152 Msym/sec,
-for an occupied bandwidth (99% power) of 1.186 MHz (1.03 x symbol rate.)
-