Piotr Krysik
6e602f5b7c
Port compile_demappers helper script to gr3.8
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Change-Id: Iadcc19288496558fc65a46b72d36dcf047489ac3
2021-05-03 07:14:00 +02:00
Vasil Velichkov
fa184a9447
Fix uplink sub_slot and sub_types assignment in the sdcch4 and bcch_ccch demappers blocks
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Add support for RACH bursts although they are not yet supported in the
receiver and control channel decoder blocks.
3GPP TS 45.002 version 15.1.0 Release 15
Table 3 : Mapping of logical channels onto physical channels (see subclauses 6.3, 6.4, 6.5)
Figure 8a: TDMA frame mapping for FCCH + SCH + BCCH + CCCH
Fixes the following tests:
qa_gsm_bcch_ccch_demapper.test_uplink
qa_gsm_bcch_ccch_sdcch4_demapper.test_uplink
Change-Id: Ia6b3070c1085bcdda6d98fd94a89c6e0982e2aec
2019-07-29 21:12:24 +03:00
Vasil Velichkov
c895bf2f22
Fix uplink sub_slot assignment in the sdcch8 demapper block
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3GPP TS 45.002 version 15.1.0 Release 15
Table 4 : Mapping of logical channels onto physical channels (see subclauses 6.3, 6.4, 6.5)
Fixes qa_gsm_sdcch8_demapper.test_uplink test
Change-Id: I29e9055805c8478010c51ceb40f86ba3aed5ecab
2019-07-29 21:12:24 +03:00
Piotr Krysik
c6fad1f954
GRC file for gsm gmsk mod
2017-09-27 21:57:08 +02:00
Piotr Krysik
f9508013ac
Added changes of resamp_ratio with ppm in the clock offset corrector
2016-07-20 21:35:10 +02:00
Piotr Krysik
74c4ca9627
Removed blocks related to old frequency correction loop (controlled const source and old clock offset corrector)
2016-07-18 10:23:24 +02:00
Piotr Krysik
83afe7390f
Changed clock offset controller and company in order to remove from the gsm_input one of the resamplers.
2016-07-17 22:48:35 +02:00
Piotr Krysik
a94adb1864
Removed unneeded file
2016-07-17 11:34:07 +02:00
Piotr Krysik
d1ca389dbf
Corrections to clock offset corrector that uses tags
2016-07-17 11:33:50 +02:00
Piotr Krysik
cbaf4760a8
New gsm_input block
2016-07-15 13:14:37 +02:00
Piotr Krysik
0982673af1
New clock offset corrector and clock offset control
2016-07-15 13:14:24 +02:00
Your Name
799133a2e6
Changed clock_offset_corrector in order to address the problem #152 - this is not ideal solution yet, as it involves removing of sampling frequency offset correction.
2016-06-08 22:30:52 +02:00
Piotr Krysik
e5bd4b86e9
Next corrections of demapping blocks - mainly corretion of SDCCH8 uplink configuration.
2016-05-23 09:43:05 +02:00
Piotr Krysik
19cba4762a
Corrected configuration of demappers
2016-05-21 09:24:34 +02:00
Piotr Krysik
e4fcdf3c15
Corrected _channe_types vectors in SDCCH8 demapper
2016-05-21 09:01:42 +02:00
Piotr Krysik
773a194c32
Big change of the universal control channels demapper:
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-simplification of the universal demapper,
-addition of hierarhical blocks for each of the demappers - so they also look well and readable in python,
-addition of helper script for compilation of the demappers.
2016-05-20 12:45:54 +02:00
ptrkrysik
381253a1d2
Changes in clock offset corrector and gsm_input - the previous version wasn't working well when samp_rate_in was different from samp_rate_out.
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Now resampling is done outside of clock offset corrector.
2014-11-19 11:30:53 +01:00
ptrkrysik
e518bbfedd
Added capability to receive multiple channels of a single BTS to the receiver. It is now possible to receive bursts on channels for which frequency hopping was used. Changed examples to work without hierarhical GSM Receiver block.
2014-11-06 14:50:59 +01:00
ptrkrysik
dac3b2a309
Added new block which adapts stream of samples to GSM receiver's input requirements (integer multiply of 1625000/6 symbol rate, LP filtering)
2014-11-06 14:47:33 +01:00
ptrkrysik
9750545e21
Automatic change by GRC in clock offset corrector
2014-08-14 14:56:57 +02:00
Piotr K
66bb3cdc31
Changed directory structure.
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Corrected clock_offset_corrector (for some streange and yet unknown reason fractional resampler eats strem tags for some values of sps).
(this commit may contain some changes that are not described)
2014-08-13 19:04:57 +02:00
piotr
4a4704606a
Changed name of message input in clock offset corrector
2014-08-06 20:12:24 +02:00
piotr
6fbc7326c3
Cleanup in examples directory
2014-08-06 14:18:02 +02:00
piotr
4089c1a7f3
Added new blocks for clock freqeuncy correction
2014-08-06 14:10:56 +02:00