Commit b6c7909d authored by Xenofon Foukas's avatar Xenofon Foukas

Fixed bugs related to MAC padding and RLC requests in AM mode

parent b2181288
......@@ -126,6 +126,8 @@ void apply_ue_spec_scheduling_decisions(mid_t mod_id,
static int32_t tpc_accumulated=0;
UE_sched_ctrl *ue_sched_ctl;
int last_sdu_header_len = 0;
int i;
Protocol__FlexDlData *dl_data;
......@@ -161,18 +163,21 @@ void apply_ue_spec_scheduling_decisions(mid_t mod_id,
if (dl_data->n_ce_bitmap > 0) {
//Check if there is TA command and set the length appropriately
ta_len = (dl_data->ce_bitmap[0] & PROTOCOL__FLEX_CE_TYPE__FLPCET_TA) ? 2 : 0;
ta_len = (dl_data->ce_bitmap[0] & PROTOCOL__FLEX_CE_TYPE__FLPCET_TA) ? 1 : 0;
}
num_sdus = 0;
sdu_length_total = 0;
if (ta_len > 0) {
// Reset the measurement
ue_sched_ctl->ta_timer = 20;
eNB_UE_stats->timing_advance_update = 0;
header_len = ta_len;
last_sdu_header_len = ta_len;
}
n_lc = dl_data->n_rlc_pdu;
num_sdus = 0;
sdu_length_total = 0;
// Go through each one of the channel commands and create SDUs
for (i = 0; i < n_lc; i++) {
lcid = dl_data->rlc_pdu[i]->rlc_pdu_tb[0]->logical_channel_id;
......@@ -192,6 +197,10 @@ void apply_ue_spec_scheduling_decisions(mid_t mod_id,
if (rlc_status.bytes_in_buffer > 0) {
if (rlc_size <= 2) {
rlc_size = 3;
}
rlc_status = mac_rlc_status_ind(mod_id,
rnti,
mod_id,
......@@ -223,12 +232,13 @@ void apply_ue_spec_scheduling_decisions(mid_t mod_id,
UE_list->eNB_UE_stats[CC_id][UE_id].num_pdu_tx[lcid] += 1;
UE_list->eNB_UE_stats[CC_id][UE_id].num_bytes_tx[lcid] += sdu_lengths[i];
if (sdu_lengths[i] < 128) {
if (sdu_lengths[i] <= 128) {
header_len += 2;
last_sdu_header_len = 2;
} else {
header_len += 3;
last_sdu_header_len = 3;
}
num_sdus++;
}
}
......@@ -238,13 +248,14 @@ void apply_ue_spec_scheduling_decisions(mid_t mod_id,
if (((sdu_length_total + header_len) > 0)) {
header_len_tmp = header_len;
// header_len_tmp = header_len;
// If we have only a single SDU, header length becomes 1
if (header_len == 2 || header_len == 3) {
if ((num_sdus + ta_len) == 1) {
//if (header_len == 2 || header_len == 3) {
header_len = 1;
} else {
header_len--;
header_len = (header_len - last_sdu_header_len) + 1;
}
// there is a payload
......
......@@ -371,7 +371,7 @@ schedule_ue_spec_default(
// Need to see if we have space for data from this channel
if (dci_tbs - ta_len - header_len > 0) {
LOG_D(MAC, "[TEST]Requested %d bytes from RLC buffer if channel %d during first call\n", dci_tbs-ta_len-header_len);
LOG_D(MAC, "[TEST]Requested %d bytes from RLC buffer on channel %d during first call\n", dci_tbs-ta_len-header_len);
//If we have space, we need to see how much data we can request at most (if any available)
rlc_status = mac_rlc_status_ind(mod_id,
rnti,
......@@ -390,10 +390,10 @@ schedule_ue_spec_default(
if (data_to_request < 128) { //The header will be one byte less
header_len--;
}
if (j == 1 || j == 2) {
data_to_request++; //It is not correct but fixes some RLC bug for DCCH
}
LOG_D(MAC, "[TEST]Will request %d from DCCH\n", data_to_request);
/* if (j == 1 || j == 2) { */
/* data_to_request+=0;
/* } */
LOG_D(MAC, "[TEST]Will request %d from channel %d\n", data_to_request, j);
rlc_pdus[channels_added] = (Protocol__FlexRlcPdu *) malloc(sizeof(Protocol__FlexRlcPdu));
protocol__flex_rlc_pdu__init(rlc_pdus[channels_added]);
rlc_pdus[channels_added]->n_rlc_pdu_tb = 2;
......@@ -523,7 +523,7 @@ schedule_ue_spec_default(
if (frame_parms[CC_id]->frame_type == TDD) {
UE_list->UE_template[CC_id][UE_id].DAI++;
// printf("DAI update: subframeP %d: UE %d, DAI %d\n",subframeP,UE_id,UE_list->UE_template[CC_id][UE_id].DAI);
#warning only for 5MHz channel
//#warning only for 5MHz channel
update_ul_dci(mod_id, CC_id, rnti, UE_list->UE_template[CC_id][UE_id].DAI);
}
......
......@@ -146,7 +146,7 @@ rnti_t UE_RNTI(module_id_t mod_idP, int ue_idP)
return (rnti);
}
LOG_E(MAC,"[eNB %d] Couldn't find RNTI for UE %d\n",mod_idP,ue_idP);
LOG_D(MAC,"[eNB %d] Couldn't find RNTI for UE %d\n",mod_idP,ue_idP);
//display_backtrace();
return(NOT_A_RNTI);
}
......
Active_eNBs = ( "eNB_Eurecom_LTEBox");
# Asn1_verbosity, choice in: none, info, annoying
Asn1_verbosity = "none";
eNBs =
(
{
////////// Identification parameters:
eNB_ID = 0xe00;
cell_type = "CELL_MACRO_ENB";
eNB_name = "eNB_Eurecom_LTEBox";
// Tracking area code, 0x0000 and 0xfffe are reserved values
tracking_area_code = "1";
mobile_country_code = "208";
mobile_network_code = "95";
////////// Physical parameters:
component_carriers = (
{
node_function = "eNodeB_3GPP";
node_timing = "synch_to_ext_device";
node_synch_ref = 0;
frame_type = "FDD";
tdd_config = 3;
tdd_config_s = 0;
prefix_type = "NORMAL";
eutra_band = 7;
downlink_frequency = 2660000000L;
uplink_frequency_offset = -120000000;
Nid_cell = 0;
N_RB_DL = 50;
Nid_cell_mbsfn = 0;
nb_antenna_ports = 1;
nb_antennas_tx = 1;
nb_antennas_rx = 1;
tx_gain = 90;
rx_gain = 125;
prach_root = 0;
prach_config_index = 0;
prach_high_speed = "DISABLE";
prach_zero_correlation = 1;
prach_freq_offset = 2;
pucch_delta_shift = 1;
pucch_nRB_CQI = 1;
pucch_nCS_AN = 0;
pucch_n1_AN = 32;
pdsch_referenceSignalPower = -27;
pdsch_p_b = 0;
pusch_n_SB = 1;
pusch_enable64QAM = "DISABLE";
pusch_hoppingMode = "interSubFrame";
pusch_hoppingOffset = 0;
pusch_groupHoppingEnabled = "ENABLE";
pusch_groupAssignment = 0;
pusch_sequenceHoppingEnabled = "DISABLE";
pusch_nDMRS1 = 1;
phich_duration = "NORMAL";
phich_resource = "ONESIXTH";
srs_enable = "DISABLE";
/* srs_BandwidthConfig =;
srs_SubframeConfig =;
srs_ackNackST =;
srs_MaxUpPts =;*/
pusch_p0_Nominal = -96;
pusch_alpha = "AL1";
pucch_p0_Nominal = -100;
msg3_delta_Preamble = 6;
pucch_deltaF_Format1 = "deltaF2";
pucch_deltaF_Format1b = "deltaF3";
pucch_deltaF_Format2 = "deltaF0";
pucch_deltaF_Format2a = "deltaF0";
pucch_deltaF_Format2b = "deltaF0";
rach_numberOfRA_Preambles = 64;
rach_preamblesGroupAConfig = "DISABLE";
/*
rach_sizeOfRA_PreamblesGroupA = ;
rach_messageSizeGroupA = ;
rach_messagePowerOffsetGroupB = ;
*/
rach_powerRampingStep = 4;
rach_preambleInitialReceivedTargetPower = -104;
rach_preambleTransMax = 10;
rach_raResponseWindowSize = 10;
rach_macContentionResolutionTimer = 48;
rach_maxHARQ_Msg3Tx = 4;
pcch_default_PagingCycle = 128;
pcch_nB = "oneT";
bcch_modificationPeriodCoeff = 2;
ue_TimersAndConstants_t300 = 1000;
ue_TimersAndConstants_t301 = 1000;
ue_TimersAndConstants_t310 = 1000;
ue_TimersAndConstants_t311 = 10000;
ue_TimersAndConstants_n310 = 20;
ue_TimersAndConstants_n311 = 1;
ue_TransmissionMode = 1;
}
);
srb1_parameters :
{
# timer_poll_retransmit = (ms) [5, 10, 15, 20,... 250, 300, 350, ... 500]
timer_poll_retransmit = 80;
# timer_reordering = (ms) [0,5, ... 100, 110, 120, ... ,200]
timer_reordering = 35;
# timer_reordering = (ms) [0,5, ... 250, 300, 350, ... ,500]
timer_status_prohibit = 0;
# poll_pdu = [4, 8, 16, 32 , 64, 128, 256, infinity(>10000)]
poll_pdu = 4;
# poll_byte = (kB) [25,50,75,100,125,250,375,500,750,1000,1250,1500,2000,3000,infinity(>10000)]
poll_byte = 99999;
# max_retx_threshold = [1, 2, 3, 4 , 6, 8, 16, 32]
max_retx_threshold = 4;
}
# ------- SCTP definitions
SCTP :
{
# Number of streams to use in input/output
SCTP_INSTREAMS = 2;
SCTP_OUTSTREAMS = 2;
};
////////// MME parameters:
mme_ip_address = ( { ipv4 = "192.168.100.101";
ipv6 = "192:168:30::17";
active = "yes";
preference = "ipv4";
}
);
NETWORK_INTERFACES :
{
ENB_INTERFACE_NAME_FOR_S1_MME = "eth0";
ENB_IPV4_ADDRESS_FOR_S1_MME = "192.168.100.106/24";
ENB_INTERFACE_NAME_FOR_S1U = "eth0";
ENB_IPV4_ADDRESS_FOR_S1U = "192.168.100.106/24";
ENB_PORT_FOR_S1U = 2152; # Spec 2152
};
NETWORK_CONTROLLER :
{
ENB_AGENT_INTERFACE_NAME = "eth1";
ENB_AGENT_IPV4_ADDRESS = "10.0.2.5/30";
ENB_AGENT_PORT = 2210;
ENB_AGENT_CACHE = "/mnt/oai_agent_cache";
};
log_config :
{
global_log_level ="info";
global_log_verbosity ="medium";
hw_log_level ="info";
hw_log_verbosity ="medium";
phy_log_level ="info";
phy_log_verbosity ="medium";
mac_log_level ="info";
mac_log_verbosity ="high";
rlc_log_level ="info";
rlc_log_verbosity ="medium";
pdcp_log_level ="info";
pdcp_log_verbosity ="medium";
rrc_log_level ="info";
rrc_log_verbosity ="medium";
};
}
);
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