mirror of https://github.com/PentHertz/srsLTE.git
60 lines
1.5 KiB
C++
60 lines
1.5 KiB
C++
/**
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* Copyright 2013-2022 Software Radio Systems Limited
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*
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* This file is part of srsRAN.
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*
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* srsRAN is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsRAN is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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#include "srsran/rrc/rrc_common.h"
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namespace srsran {
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uint8_t rrc_value_to_range(quant_s quant, const float value)
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{
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uint8_t range = 0;
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if (quant == quant_rsrp) {
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if (value < -140) {
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range = 0;
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} else if (value < -44) {
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range = 1u + (uint8_t)(value + 140);
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} else {
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range = 97;
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}
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} else {
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if (value < -19.5) {
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range = 0;
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} else if (value < -3) {
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range = 1u + (uint8_t)(2 * (value + 19.5));
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} else {
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range = 34;
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}
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}
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return range;
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}
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float rrc_range_to_value(quant_s quant, const uint8_t range)
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{
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float val = 0;
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if (quant == quant_rsrp) {
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val = -140 + (float)range;
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} else {
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val = -19.5f + (float)range / 2;
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}
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return val;
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}
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} // namespace srsran
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