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| author | Your Name <you@example.com> | 2016-07-12 17:23:13 +0430 |
|---|---|---|
| committer | Your Name <you@example.com> | 2016-07-12 17:23:13 +0430 |
| commit | a7976a3b4258c2fdeba15832090dd46a7834026d (patch) | |
| tree | fc30b39a9fa538efb1620cc824d6973a07896331 /lib/receiver | |
| parent | bd8a7163698f5986f48b25d2e4ea8799caf62579 (diff) | |
Dehopping for Uplink channels has been added.
Diffstat (limited to 'lib/receiver')
| -rw-r--r-- | lib/receiver/cx_channel_hopper_impl.cc | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/lib/receiver/cx_channel_hopper_impl.cc b/lib/receiver/cx_channel_hopper_impl.cc index 1fe15df..2818278 100644 --- a/lib/receiver/cx_channel_hopper_impl.cc +++ b/lib/receiver/cx_channel_hopper_impl.cc @@ -141,9 +141,21 @@ namespace gr { { pmt::pmt_t header_plus_burst = pmt::cdr(msg); gsmtap_hdr *header = (gsmtap_hdr *)pmt::blob_data(header_plus_burst); + bool uplink_burst = (be16toh(header->arfcn) & 0x4000) ? true : false; uint32_t frame_nr = be32toh(header->frame_number); - uint16_t frame_ca = be16toh(header->arfcn); + uint16_t frame_ca; + + // FIXED for uplink + if (uplink_burst) + { + frame_ca = be16toh(header->arfcn)-16384; //16384 = 0x4000 + } + else + { + frame_ca = be16toh(header->arfcn); + } + int mai = calculate_ma_sfh(d_maio, d_hsn, d_narfcn, frame_nr); if(d_ma[mai] == (int)frame_ca) { |