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CheckPUCCHF1Conformance.m
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%CheckPUCCHF1Conformance Battery of conformance for the PUCCH Format 1.
% This class, based on the matlab.unittest.TestCase framework, performs a battery
% of conformance tests on the PUCCH Format 1. Specifically, the tests are a
% subset of those described in TS38.104 Section 8.3.3 and TS38.141 Section 8.3.2.
% The tests consist in running a short simulation and ensuring that some metrics
% (i.e. ACK detection rate, NACK to ACK detection rate or false ACK detection
% rate, depending on the case) meet their target value.
%
% CheckPUCCHF1Conformance Properties (TestParameter):
%
% TestConfig - PUCCH Format 1 test configurations.
%
% CheckPUCCHF1Conformance Methods (Test, TestTags = {'conformance'}):
%
% checkPUCCHF1nack2ack - Estimates the NACK-to-ACK detection rate for the given
% PUCCH Format 1 configuration.
% checkPUCCHF1detection - Estimates the ACK detection rate for the given PUCCH
% Format 1 configuration.
% checkPUCCHF1falseack - Estimates the false ACK detection rate for the given
% PUCCH Format 1 configuration.
%
% Example
% runtests('CheckPUCCHF1Conformance')
%
% See also matlab.unittest, PUCCHBLER.
% Copyright 2021-2024 Software Radio Systems Limited
%
% This file is part of srsRAN-matlab.
%
% srsRAN-matlab is free software: you can redistribute it and/or
% modify it under the terms of the BSD 2-Clause License.
%
% srsRAN-matlab is distributed in the hope that it will be useful,
% but WITHOUT ANY WARRANTY; without even the implied warranty of
% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
% BSD 2-Clause License for more details.
%
% A copy of the BSD 2-Clause License can be found in the LICENSE
% file in the top-level directory of this distribution.
classdef CheckPUCCHF1Conformance < matlab.unittest.TestCase
properties (TestParameter)
%PUCCH Format 1 test configurations.
% Defines, for each test, the bandwidth, the subcarrier spacing, the number
% or receive antennas and the target SNR.
TestConfig = generateTestConfig()
end % of properties (TestParameter)
methods (Test, TestTags = {'conformance'})
function checkPUCCHF1nack2ack(obj, TestConfig)
%Estimates the NACK-to-ACK detection rate for the given PUCCH Format 1 configuration.
% The probability of NACK-to-ACK detection is the probability of detecting an
% ACK bit when an NACK bit was transmitted. For more information, see TS38.104
% Section 8.3.3.1 and TS38.141 Section 8.3.2.1.
import matlab.unittest.fixtures.CurrentFolderFixture
obj.applyFixture(CurrentFolderFixture('../apps/simulators/PUCCHBLER'));
pp = obj.preparePUCCH(TestConfig);
pp.TestType = 'Detection';
mu = TestConfig.SubcarrierSpacing / 15 - 1;
nFrames = 20000 / 2^mu;
try
pp(TestConfig.SNRnack2ack, nFrames);
catch ME
obj.assertFail(['PUCCHBLER simulation failed with error: ', ME.message]);
end
obj.verifyLessThanOrEqual(pp.NACK2ACKDetectionRateSRS, 0.001, ...
'WARNING: The PUCCH F1 NACK-to-ACK detection rate should not be larger than 0.1%.');
obj.assertLessThanOrEqual(pp.NACK2ACKDetectionRateSRS, 0.005, ...
'ERROR: The PUCCH F1 NACK-to-ACK detection rate is above the hard acceptance threshold of 0.5%.');
% TODO: export Detection Rate (and possibly other metrics) to grafana.
end % of function checkPUCCHF1nack2ack(obj, TestConfig)
function checkPUCCHF1detection(obj, TestConfig)
%Estimates the ACK detection rate for the given PUCCH Format 1 configuration.
% The probability of ACK detection is defined as the probability of detecting an
% ACK bit when the signal is present. For more information, see TS38.104 Section 8.3.3.2
% and TS38.141 Section 8.3.2.2.
import matlab.unittest.fixtures.CurrentFolderFixture
obj.applyFixture(CurrentFolderFixture('../apps/simulators/PUCCHBLER'));
pp = obj.preparePUCCH(TestConfig);
pp.TestType = 'Detection';
mu = TestConfig.SubcarrierSpacing / 15 - 1;
nFrames = 2000 / 2^mu;
try
pp(TestConfig.SNRmissedack, nFrames);
catch ME
obj.assertFail(['PUCCHBLER simulation failed with error: ', ME.message]);
end
obj.verifyGreaterThanOrEqual(pp.ACKDetectionRateSRS, 0.99, ...
'WARNING: The PUCCH F1 ACK detection rate should not be lower than 99%.');
obj.assertGreaterThanOrEqual(pp.ACKDetectionRateSRS, 0.95, ...
'ERROR: The PUCCH F1 ACK detection rate is below the hard acceptance threshold of 99%.');
% TODO: export Detection Rate (and possibly other metrics) to grafana.
end % of function checkPUCCHF1detection(obj, TestConfig)
function checkPUCCHF1falseack(obj, TestConfig)
%Estimates the false ACK detection rate for the given PUCCH Format 1 configuration.
% The probability of false detection of the ACK is defined as the probability of
% erroneous detection of an ACK bit when the input is only noise. For more
% information, see TS38.141 Sections 8.3.2.1 and 8.3.2.2.
import matlab.unittest.fixtures.CurrentFolderFixture
obj.applyFixture(CurrentFolderFixture('../apps/simulators/PUCCHBLER'));
pp = obj.preparePUCCH(TestConfig);
pp.TestType = 'False Alarm';
mu = TestConfig.SubcarrierSpacing / 15 - 1;
nFrames = 2000 / 2^mu;
try
pp([TestConfig.SNRmissedack TestConfig.SNRnack2ack], nFrames);
catch ME
obj.assertFail(['PUCCHBLER simulation failed with error: ', ME.message]);
end
obj.verifyLessThanOrEqual(pp.FalseACKDetectionRateSRS, 0.01, ...
'WARNING: The PUCCH F1 false ACK detection rate should not be higher than 1%.');
obj.assertLessThanOrEqual(pp.FalseACKDetectionRateSRS, 0.05, ...
'ERROR: The PUCCH F1 false ACK detection rate is above the hard acceptance threshold of 5%.');
% TODO: export Detection Rate (and possibly other metrics) to grafana.
end % of function checkPUCCHF1falseack(obj, TestConfig)
end % of methods (Test, TestTags = {'conformance'})
methods (Access = private)
function pp = preparePUCCH(obj, TestConfig)
%Configures a PUCCHBLER object.
import matlab.unittest.constraints.IsFile
try
pp = PUCCHBLER;
catch ME
obj.assertFail(['Could not create a PUCCHBLER object because of exception: ', ...
ME.message]);
end
obj.assertClass(pp, 'PUCCHBLER', 'The created object is not a PUCCHBLER object.');
obj.assertThat('../../../+srsMEX/+phy/@srsPUCCHProcessor/pucch_processor_mex.mexa64', IsFile, ...
'Could not find PUCCH processor mex executable.');
pp.PUCCHFormat = 1;
pp.SubcarrierSpacing = TestConfig.SubcarrierSpacing;
pp.NSizeGrid = TestConfig.NSizeGrid;
pp.PRBSet = 0;
pp.SymbolAllocation = [0 14];
pp.NumACKBits = 2;
pp.NRxAnts = TestConfig.NRxAnts;
pp.DelayProfile = 'TDLC300';
pp.MaximumDopplerShift = 100;
pp.ImplementationType = 'srs';
pp.PerfectChannelEstimator = false;
pp.QuickSimulation = false;
pp.DisplaySimulationInformation = true;
pp.FrequencyHopping = 'intraSlot';
% The PUCCHBLER object takes care of picking the last PRB in the
% band for the second hop.
end % of function pp = preparePUCCH(obj, TestConfig)
end % of methods (Access = private)
end % of classdef CheckPUCCHF1Conformance < matlab.unittest.TestCase
function TestConfig = generateTestConfig()
TestConfig = { ...
struct( ...
'Table', 'TS38.104 V15.19.0 Table 8.3.3.x.2-1', ...
'NRxAnts', 2, ...
'SubcarrierSpacing', 15, ...
'NSizeGrid', 25, ... 5 MHz ...
'SNRnack2ack', -3.8, ... NACK to ACK test ...
'SNRmissedack', -5.0 ... missed ACK test ...
), ...
struct( ...
'Table', 'TS38.104 V15.19.0 Table 8.3.3.x.2-1', ...
'NRxAnts', 4, ...
'SubcarrierSpacing', 15, ...
'NSizeGrid', 25, ... 5 MHz ...
'SNRnack2ack', -8.4, ... NACK to ACK test ...
'SNRmissedack', -8.6 ... missed ACK test ...
), ...
struct( ...
'Table', 'TS38.104 V15.19.0 Table 8.3.3.x.2-1', ...
'NRxAnts', 2, ...
'SubcarrierSpacing', 15, ...
'NSizeGrid', 52, ... 10 MHz ...
'SNRnack2ack', -3.6, ... NACK to ACK test ...
'SNRmissedack', -4.4 ... missed ACK test ...
), ...
struct( ...
'Table', 'TS38.104 V15.19.0 Table 8.3.3.x.2-1', ...
'NRxAnts', 4, ...
'SubcarrierSpacing', 15, ...
'NSizeGrid', 52, ... 10 MHz ...
'SNRnack2ack', -7.6, ... NACK to ACK test ...
'SNRmissedack', -8.2 ... missed ACK test ...
), ...
struct( ...
'Table', 'TS38.104 V15.19.0 Table 8.3.3.x.2-1', ...
'NRxAnts', 2, ...
'SubcarrierSpacing', 15, ...
'NSizeGrid', 106, ... 20 MHz ...
'SNRnack2ack', -3.6, ... NACK to ACK test ...
'SNRmissedack', -5.0 ... missed ACK test ...
), ...
struct( ...
'Table', 'TS38.104 V15.19.0 Table 8.3.3.x.2-1', ...
'NRxAnts', 4, ...
'SubcarrierSpacing', 15, ...
'NSizeGrid', 106, ... 20 MHz ...
'SNRnack2ack', -8.4, ... NACK to ACK test ...
'SNRmissedack', -8.5 ... missed ACK test ...
), ...
struct( ...
'Table', 'TS38.104 V15.19.0 Table 8.3.3.x.2-2', ...
'NRxAnts', 2, ...
'SubcarrierSpacing', 30, ...
'NSizeGrid', 24, ... 10 MHz ...
'SNRnack2ack', -2.8, ... NACK to ACK test ...
'SNRmissedack', -3.9 ... missed ACK test ...
), ...
struct( ...
'Table', 'TS38.104 V15.19.0 Table 8.3.3.x.2-2', ...
'NRxAnts', 4, ...
'SubcarrierSpacing', 30, ...
'NSizeGrid', 24, ... 10 MHz ...
'SNRnack2ack', -8.1, ... NACK to ACK test ...
'SNRmissedack', -8.0 ... missed ACK test ...
), ...
struct( ...
'Table', 'TS38.104 V15.19.0 Table 8.3.3.x.2-2', ...
'NRxAnts', 2, ...
'SubcarrierSpacing', 30, ...
'NSizeGrid', 51, ... 20 MHz ...
'SNRnack2ack', -3.2, ... NACK to ACK test ...
'SNRmissedack', -4.4 ... missed ACK test ...
), ...
struct( ...
'Table', 'TS38.104 V15.19.0 Table 8.3.3.x.2-2', ...
'NRxAnts', 4, ...
'SubcarrierSpacing', 30, ...
'NSizeGrid', 51, ... 20 MHz ...
'SNRnack2ack', -8.3, ... NACK to ACK test ...
'SNRmissedack', -8.1 ... missed ACK test ...
), ...
struct( ...
'Table', 'TS38.104 V15.19.0 Table 8.3.3.x.2-2', ...
'NRxAnts', 2, ...
'SubcarrierSpacing', 30, ...
'NSizeGrid', 106, ... 40 MHz ...
'SNRnack2ack', -3.9, ... NACK to ACK test ...
'SNRmissedack', -4.4 ... missed ACK test ...
), ...
struct( ...
'Table', 'TS38.104 V15.19.0 Table 8.3.3.x.2-2', ...
'NRxAnts', 4, ...
'SubcarrierSpacing', 30, ...
'NSizeGrid', 106, ... 40 MHz ...
'SNRnack2ack', -7.5, ... NACK to ACK test ...
'SNRmissedack', -8.4 ... missed ACK test ...
), ...
struct( ...
'Table', 'TS38.104 V15.19.0 Table 8.3.3.x.2-2', ...
'NRxAnts', 2, ...
'SubcarrierSpacing', 30, ...
'NSizeGrid', 273, ... 100 MHz ...
'SNRnack2ack', -3.5, ... NACK to ACK test ...
'SNRmissedack', -4.2 ... missed ACK test ...
), ...
struct( ...
'Table', 'TS38.104 V15.19.0 Table 8.3.3.x.2-2', ...
'NRxAnts', 4, ...
'SubcarrierSpacing', 30, ...
'NSizeGrid', 273, ... 100 MHz ...
'SNRnack2ack', -8.0, ... NACK to ACK test ...
'SNRmissedack', -8.3 ... missed ACK test ...
), ...
};
end % of function TestConfig = generateTestConfig()