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Channel emulator takes SNR as input parameter

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master
Xavier Arteaga 4 years ago committed by Andre Puschmann
parent 0036941af4
commit 0e96ef3df0
7 changed files with 103 additions and 79 deletions
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6
lib/include/srslte/phy/channel/channel.h
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@ -40,8 +40,9 @@ public:
bool enable = false; bool enable = false;
// AWGN options // AWGN options
bool awgn_enable = false; bool awgn_enable = false;
float awgn_n0_dBfs = -30.0f; float awgn_signal_power_dBfs = 0.0f;
float awgn_snr_dB = 30.0f;
// Fading options // Fading options
bool fading_enable = false; bool fading_enable = false;
@ -70,6 +71,7 @@ public:
~channel(); ~channel();
void set_logger(log_filter* _log_h); void set_logger(log_filter* _log_h);
void set_srate(uint32_t srate); void set_srate(uint32_t srate);
void set_signal_power_dBfs(float power_dBfs);
void run(cf_t* in[SRSLTE_MAX_CHANNELS], cf_t* out[SRSLTE_MAX_CHANNELS], uint32_t len, const srslte_timestamp_t& t); void run(cf_t* in[SRSLTE_MAX_CHANNELS], cf_t* out[SRSLTE_MAX_CHANNELS], uint32_t len, const srslte_timestamp_t& t);
private: private:

7
lib/include/srslte/phy/enb/enb_dl.h
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@ -160,4 +160,11 @@ SRSLTE_API void srslte_enb_dl_get_ack(const srslte_cell_t* cell,
const srslte_uci_value_t* uci_value, const srslte_uci_value_t* uci_value,
srslte_pdsch_ack_t* pdsch_ack); srslte_pdsch_ack_t* pdsch_ack);
/**
* Gets the maximum signal power in decibels full scale. It is equivalent to the transmit power if all resource elements
* were populated.
* @return The maximum power
*/
SRSLTE_API float srslte_enb_dl_get_maximum_signal_power_dBfs(uint32_t nof_prb);
#endif // SRSLTE_ENB_DL_H #endif // SRSLTE_ENB_DL_H

9
lib/src/phy/channel/channel.cc
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@ -78,7 +78,7 @@ channel::channel(const channel::args_t& channel_args, uint32_t _nof_channels)
if (channel_args.awgn_enable && ret == SRSLTE_SUCCESS) { if (channel_args.awgn_enable && ret == SRSLTE_SUCCESS) {
awgn = (srslte_channel_awgn_t*)calloc(sizeof(srslte_channel_awgn_t), 1); awgn = (srslte_channel_awgn_t*)calloc(sizeof(srslte_channel_awgn_t), 1);
ret = srslte_channel_awgn_init(awgn, 1234); ret = srslte_channel_awgn_init(awgn, 1234);
srslte_channel_awgn_set_n0(awgn, args.awgn_n0_dBfs); srslte_channel_awgn_set_n0(awgn, args.awgn_signal_power_dBfs - args.awgn_snr_dB);
} }
// Create high speed train // Create high speed train
@ -264,3 +264,10 @@ void channel::set_srate(uint32_t srate)
current_srate = srate; current_srate = srate;
} }
} }
void channel::set_signal_power_dBfs(float power_dBfs)
{
if (awgn != nullptr) {
srslte_channel_awgn_set_n0(awgn, power_dBfs - args.awgn_snr_dB);
}
}

16
lib/src/phy/enb/enb_dl.c
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@ -27,12 +27,12 @@
#include <string.h> #include <string.h>
#define CURRENT_FFTSIZE srslte_symbol_sz(q->cell.nof_prb) #define CURRENT_FFTSIZE srslte_symbol_sz(q->cell.nof_prb)
#define CURRENT_SFLEN SRSLTE_SF_LEN(CURRENT_FFTSIZE)
#define CURRENT_SLOTLEN_RE SRSLTE_SLOT_LEN_RE(q->cell.nof_prb, q->cell.cp)
#define CURRENT_SFLEN_RE SRSLTE_NOF_RE(q->cell) #define CURRENT_SFLEN_RE SRSLTE_NOF_RE(q->cell)
#define SRSLTE_ENB_RF_AMP 0.1 static float enb_dl_get_norm_factor(uint32_t nof_prb)
{
return 0.05f / sqrtf(nof_prb);
}
int srslte_enb_dl_init(srslte_enb_dl_t* q, cf_t* out_buffer[SRSLTE_MAX_PORTS], uint32_t max_prb) int srslte_enb_dl_init(srslte_enb_dl_t* q, cf_t* out_buffer[SRSLTE_MAX_PORTS], uint32_t max_prb)
{ {
@ -408,7 +408,7 @@ int srslte_enb_dl_put_pmch(srslte_enb_dl_t* q, srslte_pmch_cfg_t* pmch_cfg, uint
void srslte_enb_dl_gen_signal(srslte_enb_dl_t* q) void srslte_enb_dl_gen_signal(srslte_enb_dl_t* q)
{ {
// TODO: PAPR control // TODO: PAPR control
float norm_factor = 0.05f / sqrtf(q->cell.nof_prb); float norm_factor = enb_dl_get_norm_factor(q->cell.nof_prb);
if (q->dl_sf.sf_type == SRSLTE_SF_MBSFN) { if (q->dl_sf.sf_type == SRSLTE_SF_MBSFN) {
srslte_ofdm_tx_sf(&q->ifft_mbsfn); srslte_ofdm_tx_sf(&q->ifft_mbsfn);
@ -642,3 +642,9 @@ void srslte_enb_dl_get_ack(const srslte_cell_t* cell,
ERROR("Not implemented for TDD\n"); ERROR("Not implemented for TDD\n");
} }
} }
float srslte_enb_dl_get_maximum_signal_power_dBfs(uint32_t nof_prb)
{
return srslte_convert_amplitude_to_dB(enb_dl_get_norm_factor(nof_prb)) +
srslte_convert_power_to_dB((float)nof_prb * SRSLTE_NRE) + 3.0f;
}

69
srsenb/src/main.cc
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@ -141,42 +141,43 @@ void parse_args(all_args_t* args, int argc, char* argv[])
("scheduler.mcs_uci_dec", bpo::value<int>(&args->stack.mac.sched.uci_mcs_dec)->default_value(3), "Decrement of MCS in case UL grant carries UCI.") ("scheduler.mcs_uci_dec", bpo::value<int>(&args->stack.mac.sched.uci_mcs_dec)->default_value(3), "Decrement of MCS in case UL grant carries UCI.")
/* Downlink Channel emulator section */ /* Downlink Channel emulator section */
("channel.dl.enable", bpo::value<bool>(&args->phy.dl_channel_args.enable)->default_value(false), "Enable/Disable internal Downlink channel emulator") ("channel.dl.enable", bpo::value<bool>(&args->phy.dl_channel_args.enable)->default_value(false), "Enable/Disable internal Downlink channel emulator")
("channel.dl.awgn.enable", bpo::value<bool>(&args->phy.dl_channel_args.awgn_enable)->default_value(false), "Enable/Disable AWGN simulator") ("channel.dl.awgn.enable", bpo::value<bool>(&args->phy.dl_channel_args.awgn_enable)->default_value(false), "Enable/Disable AWGN simulator")
("channel.dl.awgn.n0", bpo::value<float>(&args->phy.dl_channel_args.awgn_n0_dBfs)->default_value(-30.0f), "Noise level in decibels full scale (dBfs)") ("channel.dl.awgn.snr", bpo::value<float>(&args->phy.dl_channel_args.awgn_snr_dB)->default_value(30.0f), "Noise level in decibels full scale (dBfs)")
("channel.dl.fading.enable", bpo::value<bool>(&args->phy.dl_channel_args.fading_enable)->default_value(false), "Enable/Disable Fading model") ("channel.dl.fading.enable", bpo::value<bool>(&args->phy.dl_channel_args.fading_enable)->default_value(false), "Enable/Disable Fading model")
("channel.dl.fading.model", bpo::value<std::string>(&args->phy.dl_channel_args.fading_model)->default_value("none"), "Fading model + maximum doppler (E.g. none, epa5, eva70, etu300, etc)") ("channel.dl.fading.model", bpo::value<std::string>(&args->phy.dl_channel_args.fading_model)->default_value("none"), "Fading model + maximum doppler (E.g. none, epa5, eva70, etu300, etc)")
("channel.dl.delay.enable", bpo::value<bool>(&args->phy.dl_channel_args.delay_enable)->default_value(false), "Enable/Disable Delay simulator") ("channel.dl.delay.enable", bpo::value<bool>(&args->phy.dl_channel_args.delay_enable)->default_value(false), "Enable/Disable Delay simulator")
("channel.dl.delay.period_s", bpo::value<float>(&args->phy.dl_channel_args.delay_period_s)->default_value(3600), "Delay period in seconds (integer)") ("channel.dl.delay.period_s", bpo::value<float>(&args->phy.dl_channel_args.delay_period_s)->default_value(3600), "Delay period in seconds (integer)")
("channel.dl.delay.init_time_s", bpo::value<float>(&args->phy.dl_channel_args.delay_init_time_s)->default_value(0), "Initial time in seconds") ("channel.dl.delay.init_time_s", bpo::value<float>(&args->phy.dl_channel_args.delay_init_time_s)->default_value(0), "Initial time in seconds")
("channel.dl.delay.maximum_us", bpo::value<float>(&args->phy.dl_channel_args.delay_max_us)->default_value(100.0f), "Maximum delay in microseconds") ("channel.dl.delay.maximum_us", bpo::value<float>(&args->phy.dl_channel_args.delay_max_us)->default_value(100.0f), "Maximum delay in microseconds")
("channel.dl.delay.minimum_us", bpo::value<float>(&args->phy.dl_channel_args.delay_min_us)->default_value(10.0f), "Minimum delay in microseconds") ("channel.dl.delay.minimum_us", bpo::value<float>(&args->phy.dl_channel_args.delay_min_us)->default_value(10.0f), "Minimum delay in microseconds")
("channel.dl.rlf.enable", bpo::value<bool>(&args->phy.dl_channel_args.rlf_enable)->default_value(false), "Enable/Disable Radio-Link Failure simulator") ("channel.dl.rlf.enable", bpo::value<bool>(&args->phy.dl_channel_args.rlf_enable)->default_value(false), "Enable/Disable Radio-Link Failure simulator")
("channel.dl.rlf.t_on_ms", bpo::value<uint32_t >(&args->phy.dl_channel_args.rlf_t_on_ms)->default_value(10000), "Time for On state of the channel (ms)") ("channel.dl.rlf.t_on_ms", bpo::value<uint32_t >(&args->phy.dl_channel_args.rlf_t_on_ms)->default_value(10000), "Time for On state of the channel (ms)")
("channel.dl.rlf.t_off_ms", bpo::value<uint32_t >(&args->phy.dl_channel_args.rlf_t_off_ms)->default_value(2000), "Time for Off state of the channel (ms)") ("channel.dl.rlf.t_off_ms", bpo::value<uint32_t >(&args->phy.dl_channel_args.rlf_t_off_ms)->default_value(2000), "Time for Off state of the channel (ms)")
("channel.dl.hst.enable", bpo::value<bool>(&args->phy.dl_channel_args.hst_enable)->default_value(false), "Enable/Disable HST simulator") ("channel.dl.hst.enable", bpo::value<bool>(&args->phy.dl_channel_args.hst_enable)->default_value(false), "Enable/Disable HST simulator")
("channel.dl.hst.period_s", bpo::value<float>(&args->phy.dl_channel_args.hst_period_s)->default_value(7.2f), "HST simulation period in seconds") ("channel.dl.hst.period_s", bpo::value<float>(&args->phy.dl_channel_args.hst_period_s)->default_value(7.2f), "HST simulation period in seconds")
("channel.dl.hst.fd_hz", bpo::value<float>(&args->phy.dl_channel_args.hst_fd_hz)->default_value(+750.0f), "Doppler frequency in Hz") ("channel.dl.hst.fd_hz", bpo::value<float>(&args->phy.dl_channel_args.hst_fd_hz)->default_value(+750.0f), "Doppler frequency in Hz")
("channel.dl.hst.init_time_s", bpo::value<float>(&args->phy.dl_channel_args.hst_init_time_s)->default_value(0), "Initial time in seconds") ("channel.dl.hst.init_time_s", bpo::value<float>(&args->phy.dl_channel_args.hst_init_time_s)->default_value(0), "Initial time in seconds")
/* Uplink Channel emulator section */ /* Uplink Channel emulator section */
("channel.ul.enable", bpo::value<bool>(&args->phy.ul_channel_args.enable)->default_value(false), "Enable/Disable internal Uplink channel emulator") ("channel.ul.enable", bpo::value<bool>(&args->phy.ul_channel_args.enable)->default_value(false), "Enable/Disable internal Downlink channel emulator")
("channel.ul.awgn.enable", bpo::value<bool>(&args->phy.ul_channel_args.awgn_enable)->default_value(false), "Enable/Disable AWGN simulator") ("channel.ul.awgn.enable", bpo::value<bool>(&args->phy.ul_channel_args.awgn_enable)->default_value(false), "Enable/Disable AWGN simulator")
("channel.ul.awgn.n0", bpo::value<float>(&args->phy.ul_channel_args.awgn_n0_dBfs)->default_value(-30.0f), "Noise level in decibels full scale (dBfs)") ("channel.ul.awgn.signal_power", bpo::value<float>(&args->phy.ul_channel_args.awgn_signal_power_dBfs)->default_value(30.0f), "Received signal power in decibels full scale (dBfs)")
("channel.ul.fading.enable", bpo::value<bool>(&args->phy.ul_channel_args.fading_enable)->default_value(false), "Enable/Disable Fading model") ("channel.ul.awgn.snr", bpo::value<float>(&args->phy.ul_channel_args.awgn_snr_dB)->default_value(30.0f), "Noise level in decibels full scale (dBfs)")
("channel.ul.fading.model", bpo::value<std::string>(&args->phy.ul_channel_args.fading_model)->default_value("none"), "Fading model + maximum doppler (E.g. none, epa5, eva70, etu300, etc)") ("channel.ul.fading.enable", bpo::value<bool>(&args->phy.ul_channel_args.fading_enable)->default_value(false), "Enable/Disable Fading model")
("channel.ul.delay.enable", bpo::value<bool>(&args->phy.ul_channel_args.delay_enable)->default_value(false), "Enable/Disable Delay simulator") ("channel.ul.fading.model", bpo::value<std::string>(&args->phy.ul_channel_args.fading_model)->default_value("none"), "Fading model + maximum doppler (E.g. none, epa5, eva70, etu300, etc)")
("channel.ul.delay.period_s", bpo::value<float>(&args->phy.ul_channel_args.delay_period_s)->default_value(3600), "Delay period in seconds (integer)") ("channel.ul.delay.enable", bpo::value<bool>(&args->phy.ul_channel_args.delay_enable)->default_value(false), "Enable/Disable Delay simulator")
("channel.ul.delay.init_time_s", bpo::value<float>(&args->phy.ul_channel_args.delay_init_time_s)->default_value(0), "Initial time in seconds") ("channel.ul.delay.period_s", bpo::value<float>(&args->phy.ul_channel_args.delay_period_s)->default_value(3600), "Delay period in seconds (integer)")
("channel.ul.delay.maximum_us", bpo::value<float>(&args->phy.ul_channel_args.delay_max_us)->default_value(100.0f), "Maximum delay in microseconds") ("channel.ul.delay.init_time_s", bpo::value<float>(&args->phy.ul_channel_args.delay_init_time_s)->default_value(0), "Initial time in seconds")
("channel.ul.delay.minimum_us", bpo::value<float>(&args->phy.ul_channel_args.delay_min_us)->default_value(10.0f), "Minimum delay in microseconds") ("channel.ul.delay.maximum_us", bpo::value<float>(&args->phy.ul_channel_args.delay_max_us)->default_value(100.0f), "Maximum delay in microseconds")
("channel.ul.rlf.enable", bpo::value<bool>(&args->phy.ul_channel_args.rlf_enable)->default_value(false), "Enable/Disable Radio-Link Failure simulator") ("channel.ul.delay.minimum_us", bpo::value<float>(&args->phy.ul_channel_args.delay_min_us)->default_value(10.0f), "Minimum delay in microseconds")
("channel.ul.rlf.t_on_ms", bpo::value<uint32_t >(&args->phy.ul_channel_args.rlf_t_on_ms)->default_value(10000), "Time for On state of the channel (ms)") ("channel.ul.rlf.enable", bpo::value<bool>(&args->phy.ul_channel_args.rlf_enable)->default_value(false), "Enable/Disable Radio-Link Failure simulator")
("channel.ul.rlf.t_off_ms", bpo::value<uint32_t >(&args->phy.ul_channel_args.rlf_t_off_ms)->default_value(2000), "Time for Off state of the channel (ms)") ("channel.ul.rlf.t_on_ms", bpo::value<uint32_t >(&args->phy.ul_channel_args.rlf_t_on_ms)->default_value(10000), "Time for On state of the channel (ms)")
("channel.ul.hst.enable", bpo::value<bool>(&args->phy.ul_channel_args.hst_enable)->default_value(false), "Enable/Disable HST simulator") ("channel.ul.rlf.t_off_ms", bpo::value<uint32_t >(&args->phy.ul_channel_args.rlf_t_off_ms)->default_value(2000), "Time for Off state of the channel (ms)")
("channel.ul.hst.period_s", bpo::value<float>(&args->phy.ul_channel_args.hst_period_s)->default_value(7.2f), "HST simulation period in seconds") ("channel.ul.hst.enable", bpo::value<bool>(&args->phy.ul_channel_args.hst_enable)->default_value(false), "Enable/Disable HST simulator")
("channel.ul.hst.fd_hz", bpo::value<float>(&args->phy.ul_channel_args.hst_fd_hz)->default_value(-750.0f), "Doppler frequency in Hz") ("channel.ul.hst.period_s", bpo::value<float>(&args->phy.ul_channel_args.hst_period_s)->default_value(7.2f), "HST simulation period in seconds")
("channel.ul.hst.init_time_s", bpo::value<float>(&args->phy.ul_channel_args.hst_init_time_s)->default_value(0), "Initial time in seconds") ("channel.ul.hst.fd_hz", bpo::value<float>(&args->phy.ul_channel_args.hst_fd_hz)->default_value(+750.0f), "Doppler frequency in Hz")
("channel.ul.hst.init_time_s", bpo::value<float>(&args->phy.ul_channel_args.hst_init_time_s)->default_value(0), "Initial time in seconds")
/* Expert section */ /* Expert section */
("expert.metrics_period_secs", bpo::value<float>(&args->general.metrics_period_secs)->default_value(1.0), "Periodicity for metrics in seconds") ("expert.metrics_period_secs", bpo::value<float>(&args->general.metrics_period_secs)->default_value(1.0), "Periodicity for metrics in seconds")

5
srsenb/src/phy/phy_common.cc
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@ -70,6 +70,7 @@ bool phy_common::init(const phy_cell_cfg_list_t& cell_list_,
if (params.dl_channel_args.enable) { if (params.dl_channel_args.enable) {
dl_channel = srslte::channel_ptr(new srslte::channel(params.dl_channel_args, get_nof_rf_channels())); dl_channel = srslte::channel_ptr(new srslte::channel(params.dl_channel_args, get_nof_rf_channels()));
dl_channel->set_srate((uint32_t)srslte_sampling_freq_hz(cell_list[0].cell.nof_prb)); dl_channel->set_srate((uint32_t)srslte_sampling_freq_hz(cell_list[0].cell.nof_prb));
dl_channel->set_signal_power_dBfs(srslte_enb_dl_get_maximum_signal_power_dBfs(cell_list[0].cell.nof_prb));
} }
// Create grants // Create grants
@ -124,9 +125,7 @@ void phy_common::set_ul_grants(uint32_t tti, const stack_interface_phy_lte::ul_s
* Each worker uses this function to indicate that all processing is done and data is ready for transmission or * Each worker uses this function to indicate that all processing is done and data is ready for transmission or
* there is no transmission at all (tx_enable). In that case, the end of burst message will be sent to the radio * there is no transmission at all (tx_enable). In that case, the end of burst message will be sent to the radio
*/ */
void phy_common::worker_end(void* tx_sem_id, void phy_common::worker_end(void* tx_sem_id, srslte::rf_buffer_t& buffer, srslte::rf_timestamp_t& tx_time)
srslte::rf_buffer_t& buffer,
srslte::rf_timestamp_t& tx_time)
{ {
// Wait for the green light to transmit in the current TTI // Wait for the green light to transmit in the current TTI
semaphore.wait(tx_sem_id); semaphore.wait(tx_sem_id);

70
srsue/src/main.cc
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@ -182,42 +182,44 @@ static int parse_args(all_args_t* args, int argc, char* argv[])
("gw.ip_netmask", bpo::value<string>(&args->gw.tun_dev_netmask)->default_value("255.255.255.0"), "Netmask of the tun_srsue device") ("gw.ip_netmask", bpo::value<string>(&args->gw.tun_dev_netmask)->default_value("255.255.255.0"), "Netmask of the tun_srsue device")
/* Downlink Channel emulator section */ /* Downlink Channel emulator section */
("channel.dl.enable", bpo::value<bool>(&args->phy.dl_channel_args.enable)->default_value(false), "Enable/Disable internal Downlink channel emulator") ("channel.dl.enable", bpo::value<bool>(&args->phy.dl_channel_args.enable)->default_value(false), "Enable/Disable internal Downlink channel emulator")
("channel.dl.awgn.enable", bpo::value<bool>(&args->phy.dl_channel_args.awgn_enable)->default_value(false), "Enable/Disable AWGN simulator") ("channel.dl.awgn.enable", bpo::value<bool>(&args->phy.dl_channel_args.awgn_enable)->default_value(false), "Enable/Disable AWGN simulator")
("channel.dl.awgn.n0", bpo::value<float>(&args->phy.dl_channel_args.awgn_n0_dBfs)->default_value(-30.0f), "Noise level in decibels full scale (dBfs)") ("channel.dl.awgn.snr", bpo::value<float>(&args->phy.dl_channel_args.awgn_snr_dB)->default_value(30.0f), "Noise level in decibels full scale (dBfs)")
("channel.dl.fading.enable", bpo::value<bool>(&args->phy.dl_channel_args.fading_enable)->default_value(false), "Enable/Disable Fading model") ("channel.dl.awgn.signal_power", bpo::value<float>(&args->phy.dl_channel_args.awgn_signal_power_dBfs)->default_value(0.0f), "Received signal power in decibels full scale (dBfs)")
("channel.dl.fading.model", bpo::value<std::string>(&args->phy.dl_channel_args.fading_model)->default_value("none"), "Fading model + maximum doppler (E.g. none, epa5, eva70, etu300, etc)") ("channel.dl.fading.enable", bpo::value<bool>(&args->phy.dl_channel_args.fading_enable)->default_value(false), "Enable/Disable Fading model")
("channel.dl.delay.enable", bpo::value<bool>(&args->phy.dl_channel_args.delay_enable)->default_value(false), "Enable/Disable Delay simulator") ("channel.dl.fading.model", bpo::value<std::string>(&args->phy.dl_channel_args.fading_model)->default_value("none"), "Fading model + maximum doppler (E.g. none, epa5, eva70, etu300, etc)")
("channel.dl.delay.period_s", bpo::value<float>(&args->phy.dl_channel_args.delay_period_s)->default_value(3600), "Delay period in seconds (integer)") ("channel.dl.delay.enable", bpo::value<bool>(&args->phy.dl_channel_args.delay_enable)->default_value(false), "Enable/Disable Delay simulator")
("channel.dl.delay.init_time_s", bpo::value<float>(&args->phy.dl_channel_args.delay_init_time_s)->default_value(0), "Initial time in seconds") ("channel.dl.delay.period_s", bpo::value<float>(&args->phy.dl_channel_args.delay_period_s)->default_value(3600), "Delay period in seconds (integer)")
("channel.dl.delay.maximum_us", bpo::value<float>(&args->phy.dl_channel_args.delay_max_us)->default_value(100.0f), "Maximum delay in microseconds") ("channel.dl.delay.init_time_s", bpo::value<float>(&args->phy.dl_channel_args.delay_init_time_s)->default_value(0), "Initial time in seconds")
("channel.dl.delay.minimum_us", bpo::value<float>(&args->phy.dl_channel_args.delay_min_us)->default_value(10.0f), "Minimum delay in microseconds") ("channel.dl.delay.maximum_us", bpo::value<float>(&args->phy.dl_channel_args.delay_max_us)->default_value(100.0f), "Maximum delay in microseconds")
("channel.dl.rlf.enable", bpo::value<bool>(&args->phy.dl_channel_args.rlf_enable)->default_value(false), "Enable/Disable Radio-Link Failure simulator") ("channel.dl.delay.minimum_us", bpo::value<float>(&args->phy.dl_channel_args.delay_min_us)->default_value(10.0f), "Minimum delay in microseconds")
("channel.dl.rlf.t_on_ms", bpo::value<uint32_t >(&args->phy.dl_channel_args.rlf_t_on_ms)->default_value(10000), "Time for On state of the channel (ms)") ("channel.dl.rlf.enable", bpo::value<bool>(&args->phy.dl_channel_args.rlf_enable)->default_value(false), "Enable/Disable Radio-Link Failure simulator")
("channel.dl.rlf.t_off_ms", bpo::value<uint32_t >(&args->phy.dl_channel_args.rlf_t_off_ms)->default_value(2000), "Time for Off state of the channel (ms)") ("channel.dl.rlf.t_on_ms", bpo::value<uint32_t >(&args->phy.dl_channel_args.rlf_t_on_ms)->default_value(10000), "Time for On state of the channel (ms)")
("channel.dl.hst.enable", bpo::value<bool>(&args->phy.dl_channel_args.hst_enable)->default_value(false), "Enable/Disable HST simulator") ("channel.dl.rlf.t_off_ms", bpo::value<uint32_t >(&args->phy.dl_channel_args.rlf_t_off_ms)->default_value(2000), "Time for Off state of the channel (ms)")
("channel.dl.hst.period_s", bpo::value<float>(&args->phy.dl_channel_args.hst_period_s)->default_value(7.2f), "HST simulation period in seconds") ("channel.dl.hst.enable", bpo::value<bool>(&args->phy.dl_channel_args.hst_enable)->default_value(false), "Enable/Disable HST simulator")
("channel.dl.hst.fd_hz", bpo::value<float>(&args->phy.dl_channel_args.hst_fd_hz)->default_value(+750.0f), "Doppler frequency in Hz") ("channel.dl.hst.period_s", bpo::value<float>(&args->phy.dl_channel_args.hst_period_s)->default_value(7.2f), "HST simulation period in seconds")
("channel.dl.hst.init_time_s", bpo::value<float>(&args->phy.dl_channel_args.hst_init_time_s)->default_value(0), "Initial time in seconds") ("channel.dl.hst.fd_hz", bpo::value<float>(&args->phy.dl_channel_args.hst_fd_hz)->default_value(+750.0f), "Doppler frequency in Hz")
("channel.dl.hst.init_time_s", bpo::value<float>(&args->phy.dl_channel_args.hst_init_time_s)->default_value(0), "Initial time in seconds")
/* Uplink Channel emulator section */ /* Uplink Channel emulator section */
("channel.ul.enable", bpo::value<bool>(&args->phy.ul_channel_args.enable)->default_value(false), "Enable/Disable internal Uplink channel emulator") ("channel.ul.enable", bpo::value<bool>(&args->phy.ul_channel_args.enable)->default_value(false), "Enable/Disable internal Downlink channel emulator")
("channel.ul.awgn.enable", bpo::value<bool>(&args->phy.ul_channel_args.awgn_enable)->default_value(false), "Enable/Disable AWGN simulator") ("channel.ul.awgn.enable", bpo::value<bool>(&args->phy.ul_channel_args.awgn_enable)->default_value(false), "Enable/Disable AWGN simulator")
("channel.ul.awgn.n0", bpo::value<float>(&args->phy.ul_channel_args.awgn_n0_dBfs)->default_value(-30.0f), "Noise level in decibels full scale (dBfs)") ("channel.ul.awgn.snr", bpo::value<float>(&args->phy.ul_channel_args.awgn_snr_dB)->default_value(30.0f), "Noise level in decibels full scale (dBfs)")
("channel.ul.fading.enable", bpo::value<bool>(&args->phy.ul_channel_args.fading_enable)->default_value(false), "Enable/Disable Fading model") ("channel.ul.awgn.signal_power", bpo::value<float>(&args->phy.ul_channel_args.awgn_signal_power_dBfs)->default_value(30.0f), "Transmitted signal power in decibels full scale (dBfs)")
("channel.ul.fading.model", bpo::value<std::string>(&args->phy.ul_channel_args.fading_model)->default_value("none"), "Fading model + maximum doppler (E.g. none, epa5, eva70, etu300, etc)") ("channel.ul.fading.enable", bpo::value<bool>(&args->phy.ul_channel_args.fading_enable)->default_value(false), "Enable/Disable Fading model")
("channel.ul.delay.enable", bpo::value<bool>(&args->phy.ul_channel_args.delay_enable)->default_value(false), "Enable/Disable Delay simulator") ("channel.ul.fading.model", bpo::value<std::string>(&args->phy.ul_channel_args.fading_model)->default_value("none"), "Fading model + maximum doppler (E.g. none, epa5, eva70, etu300, etc)")
("channel.ul.delay.period_s", bpo::value<float>(&args->phy.ul_channel_args.delay_period_s)->default_value(3600), "Delay period in seconds (integer)") ("channel.ul.delay.enable", bpo::value<bool>(&args->phy.ul_channel_args.delay_enable)->default_value(false), "Enable/Disable Delay simulator")
("channel.ul.delay.init_time_s", bpo::value<float>(&args->phy.ul_channel_args.delay_init_time_s)->default_value(0), "Initial time in seconds") ("channel.ul.delay.period_s", bpo::value<float>(&args->phy.ul_channel_args.delay_period_s)->default_value(3600), "Delay period in seconds (integer)")
("channel.ul.delay.maximum_us", bpo::value<float>(&args->phy.ul_channel_args.delay_max_us)->default_value(100.0f), "Maximum delay in microseconds") ("channel.ul.delay.init_time_s", bpo::value<float>(&args->phy.ul_channel_args.delay_init_time_s)->default_value(0), "Initial time in seconds")
("channel.ul.delay.minimum_us", bpo::value<float>(&args->phy.ul_channel_args.delay_min_us)->default_value(10.0f), "Minimum delay in microseconds") ("channel.ul.delay.maximum_us", bpo::value<float>(&args->phy.ul_channel_args.delay_max_us)->default_value(100.0f), "Maximum delay in microseconds")
("channel.ul.rlf.enable", bpo::value<bool>(&args->phy.ul_channel_args.rlf_enable)->default_value(false), "Enable/Disable Radio-Link Failure simulator") ("channel.ul.delay.minimum_us", bpo::value<float>(&args->phy.ul_channel_args.delay_min_us)->default_value(10.0f), "Minimum delay in microseconds")
("channel.ul.rlf.t_on_ms", bpo::value<uint32_t >(&args->phy.ul_channel_args.rlf_t_on_ms)->default_value(10000), "Time for On state of the channel (ms)") ("channel.ul.rlf.enable", bpo::value<bool>(&args->phy.ul_channel_args.rlf_enable)->default_value(false), "Enable/Disable Radio-Link Failure simulator")
("channel.ul.rlf.t_off_ms", bpo::value<uint32_t >(&args->phy.ul_channel_args.rlf_t_off_ms)->default_value(2000), "Time for Off state of the channel (ms)") ("channel.ul.rlf.t_on_ms", bpo::value<uint32_t >(&args->phy.ul_channel_args.rlf_t_on_ms)->default_value(10000), "Time for On state of the channel (ms)")
("channel.ul.hst.enable", bpo::value<bool>(&args->phy.ul_channel_args.hst_enable)->default_value(false), "Enable/Disable HST simulator") ("channel.ul.rlf.t_off_ms", bpo::value<uint32_t >(&args->phy.ul_channel_args.rlf_t_off_ms)->default_value(2000), "Time for Off state of the channel (ms)")
("channel.ul.hst.period_s", bpo::value<float>(&args->phy.ul_channel_args.hst_period_s)->default_value(7.2f), "HST simulation period in seconds") ("channel.ul.hst.enable", bpo::value<bool>(&args->phy.ul_channel_args.hst_enable)->default_value(false), "Enable/Disable HST simulator")
("channel.ul.hst.fd_hz", bpo::value<float>(&args->phy.ul_channel_args.hst_fd_hz)->default_value(-750.0f), "Doppler frequency in Hz") ("channel.ul.hst.period_s", bpo::value<float>(&args->phy.ul_channel_args.hst_period_s)->default_value(7.2f), "HST simulation period in seconds")
("channel.ul.hst.init_time_s", bpo::value<float>(&args->phy.ul_channel_args.hst_init_time_s)->default_value(0), "Initial time in seconds") ("channel.ul.hst.fd_hz", bpo::value<float>(&args->phy.ul_channel_args.hst_fd_hz)->default_value(+750.0f), "Doppler frequency in Hz")
("channel.ul.hst.init_time_s", bpo::value<float>(&args->phy.ul_channel_args.hst_init_time_s)->default_value(0), "Initial time in seconds")
/* PHY section */ /* PHY section */
("phy.worker_cpu_mask", ("phy.worker_cpu_mask",

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