mirror of https://github.com/pvnis/srsRAN_4G.git
Write TPC sched unit test and fix sched logical channel test
Francisco
4 years ago
committed by
Andre Puschmann
parent
8670558692
commit
d42dc50c44
@ -0,0 +1,142 @@
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/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2020 Software Radio Systems Limited
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*
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* By using this file, you agree to the terms and conditions set
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* forth in the LICENSE file which can be found at the top level of
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* the distribution.
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*
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*/
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#include "srsenb/hdr/stack/mac/sched_ue_ctrl/tpc.h"
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#include "srslte/common/test_common.h"
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namespace srsenb {
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int test_finite_target_snr()
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{
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const uint32_t nof_prbs = 50;
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const int target_snr = 15;
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tpc tpcfsm(nof_prbs, 15);
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// TEST: While no SNR info is provided, no TPC commands are sent
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for (uint32_t i = 0; i < 100; ++i) {
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tpcfsm.new_tti();
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TESTASSERT(tpcfsm.encode_pucch_tpc() == 0);
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TESTASSERT(tpcfsm.encode_pusch_tpc() == 0);
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}
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// TEST: current SNR above target SNR. Checks:
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// - TPC commands should be sent to decrease power
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// - The sum power of TPC commands should not exceed the difference between current and target SNRs
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int snr_diff = 10;
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tpcfsm.set_snr(target_snr + snr_diff);
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int sum_pusch = 0, sum_pucch = 0;
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for (uint32_t i = 0; i < 100; ++i) {
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tpcfsm.new_tti();
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sum_pusch += tpcfsm.encode_pusch_tpc();
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TESTASSERT(sum_pusch < 0 and sum_pusch >= -snr_diff);
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sum_pucch += tpcfsm.encode_pucch_tpc();
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TESTASSERT(sum_pucch < 0 and sum_pucch >= -snr_diff);
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}
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// TEST: current SNR below target SNR. Checks:
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// - TPC commands should be sent to increase power
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// - The sum of TPC commands should not exceed the difference between current and target SNRs
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snr_diff = -10;
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tpcfsm.set_snr(target_snr + snr_diff);
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sum_pusch = 0;
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sum_pucch = 0;
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for (uint32_t i = 0; i < 100; ++i) {
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tpcfsm.new_tti();
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sum_pusch += tpcfsm.encode_pusch_tpc();
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TESTASSERT(sum_pusch > 0 and sum_pusch <= -snr_diff);
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sum_pucch += tpcfsm.encode_pucch_tpc();
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TESTASSERT(sum_pucch > 0 and sum_pucch <= -snr_diff);
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}
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return SRSLTE_SUCCESS;
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}
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int test_undefined_target_snr()
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{
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const uint32_t nof_prbs = 50;
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tpc tpcfsm(nof_prbs);
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TESTASSERT(tpcfsm.max_ul_prbs() == 50);
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// TEST: While the PHR is not updated, a limited number of TPC commands should be sent
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int sum_pusch = 0, sum_pucch = 0;
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for (uint32_t i = 0; i < 100; ++i) {
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tpcfsm.new_tti();
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sum_pusch += tpcfsm.encode_pusch_tpc();
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sum_pucch += tpcfsm.encode_pucch_tpc();
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}
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TESTASSERT(sum_pusch <= 3 and sum_pusch >= -1);
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TESTASSERT(sum_pucch <= 3 and sum_pucch >= -1);
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// TEST: SNR info should not affect TPC in undefined target SNR mode
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int snr_info = 10;
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tpcfsm.set_snr(snr_info);
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sum_pusch = 0;
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sum_pucch = 0;
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for (uint32_t i = 0; i < 100; ++i) {
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tpcfsm.new_tti();
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sum_pusch += tpcfsm.encode_pusch_tpc();
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sum_pucch += tpcfsm.encode_pucch_tpc();
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}
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TESTASSERT(sum_pusch == 0);
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TESTASSERT(sum_pucch == 0);
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// TEST: If the PHR allows full utilization of available PRBs, the TPC slightly increments UL Tx power
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int phr = 30;
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tpcfsm.set_phr(phr);
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TESTASSERT(tpcfsm.max_ul_prbs() == 50);
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sum_pusch = 0;
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sum_pucch = 0;
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for (uint32_t i = 0; i < 100; ++i) {
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tpcfsm.new_tti();
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sum_pusch += tpcfsm.encode_pusch_tpc();
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sum_pucch += tpcfsm.encode_pucch_tpc();
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}
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TESTASSERT(sum_pusch > 0 and sum_pusch <= 3);
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TESTASSERT(sum_pucch > 0 and sum_pucch <= 3);
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// TEST: PHR is too low to allow all PRBs to be allocated. This event should not affect TPC commands
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phr = 5;
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tpcfsm.set_phr(phr);
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TESTASSERT(tpcfsm.max_ul_prbs() < 50);
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for (uint32_t i = 0; i < 100; ++i) {
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tpcfsm.new_tti();
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TESTASSERT(tpcfsm.encode_pusch_tpc() == 0);
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TESTASSERT(tpcfsm.encode_pucch_tpc() == 0);
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}
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// TEST: PHR is negative. The TPC should slightly decrease Tx UL power until next PHR
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phr = -1;
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tpcfsm.set_phr(phr);
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TESTASSERT(tpcfsm.max_ul_prbs() == tpc::PHR_NEG_NOF_PRB);
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sum_pusch = 0;
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sum_pucch = 0;
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for (uint32_t i = 0; i < 100; ++i) {
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tpcfsm.new_tti();
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sum_pusch += tpcfsm.encode_pusch_tpc();
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sum_pucch += tpcfsm.encode_pucch_tpc();
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}
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TESTASSERT(sum_pusch <= 0 and sum_pusch >= -1);
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TESTASSERT(sum_pucch <= 0 and sum_pucch >= -1);
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return SRSLTE_SUCCESS;
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}
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} // namespace srsenb
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int main()
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{
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TESTASSERT(srsenb::test_finite_target_snr() == 0);
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TESTASSERT(srsenb::test_undefined_target_snr() == 0);
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printf("Success\n");
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}
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