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activating initial timing advance

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git-svn-id: http://svn.eurecom.fr/openair4G/trunk@7593 818b1a75-f10b-46b9-bf7c-635c3b92a50f
This commit is contained in:
Florian Kaltenberger
2015-06-18 14:21:13 +00:00
parent b897215ff2
commit 4d4f9f358d
1 changed files with 5 additions and 3 deletions
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openair2/LAYER2/MAC/rar_tools.c
+5 -3
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@@ -82,7 +82,9 @@ unsigned short fill_rar(
}
}
DevAssert( ra_idx != -1 );
//DevAssert( ra_idx != -1 );
if (ra_idx==-1)
return(0);
// subheader fixed
rarh->E = 0; // First and last RAR
@@ -101,8 +103,8 @@ unsigned short fill_rar(
*/
rar[4] = (uint8_t)(eNB_mac_inst[module_idP].common_channels[CC_id].RA_template[ra_idx].rnti>>8);
rar[5] = (uint8_t)(eNB_mac_inst[module_idP].common_channels[CC_id].RA_template[ra_idx].rnti&0xff);
eNB_mac_inst[module_idP].common_channels[CC_id].RA_template[ra_idx].timing_offset = 0;
//eNB_mac_inst[module_idP].common_channels[CC_id].RA_template[ra_idx].timing_offset /= 16;
//eNB_mac_inst[module_idP].common_channels[CC_id].RA_template[ra_idx].timing_offset = 0;
eNB_mac_inst[module_idP].common_channels[CC_id].RA_template[ra_idx].timing_offset /= 16; //for 25RB only I guess
rar[0] = (uint8_t)(eNB_mac_inst[module_idP].common_channels[CC_id].RA_template[ra_idx].timing_offset>>(2+4)); // 7 MSBs of timing advance + divide by 4
rar[1] = (uint8_t)(eNB_mac_inst[module_idP].common_channels[CC_id].RA_template[ra_idx].timing_offset<<(4-2))&0xf0; // 4 LSBs of timing advance + divide by 4
rballoc = mac_xface->computeRIV(N_RB_UL,1,1); // first PRB only for UL Grant