diff options
| -rw-r--r-- | include/osmocom/gmr1/sdr/nb.h | 1 | ||||
| -rw-r--r-- | src/sdr/nb.c | 31 |
2 files changed, 32 insertions, 0 deletions
diff --git a/include/osmocom/gmr1/sdr/nb.h b/include/osmocom/gmr1/sdr/nb.h index 656527c..d391a7f 100644 --- a/include/osmocom/gmr1/sdr/nb.h +++ b/include/osmocom/gmr1/sdr/nb.h @@ -37,6 +37,7 @@ struct gmr1_pi4cxpsk_burst; extern struct gmr1_pi4cxpsk_burst gmr1_bcch_burst; extern struct gmr1_pi4cxpsk_burst gmr1_dc2_burst; extern struct gmr1_pi4cxpsk_burst gmr1_dc6_burst; +extern struct gmr1_pi4cxpsk_burst gmr1_dc12_burst; extern struct gmr1_pi4cxpsk_burst gmr1_nt3_speech_burst; extern struct gmr1_pi4cxpsk_burst gmr1_nt3_facch_burst; extern struct gmr1_pi4cxpsk_burst gmr1_nt6_burst; diff --git a/src/sdr/nb.c b/src/sdr/nb.c index 46d69d9..e0be9c0 100644 --- a/src/sdr/nb.c +++ b/src/sdr/nb.c @@ -120,6 +120,37 @@ struct gmr1_pi4cxpsk_burst gmr1_dc6_burst = { }; +/* DC12 ------------------------------------------------------------------- */ + +static struct gmr1_pi4cxpsk_sync _dc12_sync[] = { + { 10, 10, { 0, 0, 1, 0, 0, 0, 1, 1, 1, 1 } }, + { 228, 11, { 0, 0, 1, 0, 0, 0, 1, 1, 1, 0, 1 } }, + { 447, 10, { 0, 0, 1, 0, 0, 0, 1, 1, 1, 1 } }, + { -1 }, +}; + +static struct gmr1_pi4cxpsk_data _dc12_data[] = { + { 2, 8 }, /* e0 ... e7 */ + { 20, 208 }, /* e8 ... e215 */ + { 239, 208 }, /* e216 ... e423 */ + { 457, 8 }, /* e424 ... e431 */ + { -1 }, +}; + +/*! \brief DC12 bursts + * See GMR-1 05.002 (ETSI TS 101 376-5-2 V3.1.1) - Section 7.4.16 + */ +struct gmr1_pi4cxpsk_burst gmr1_dc12_burst = { + .mod = &gmr1_pi2cbpsk, + .guard_pre = 2, + .guard_post = 3, + .len = 39 * 12, + .ebits = 432, + .sync = { _dc12_sync, NULL }, + .data = _dc12_data, +}; + + /* NT3 Speech ------------------------------------------------------------- */ static struct gmr1_pi4cxpsk_sync _nt3_speech_sync[] = { |