Add configurable RSRP boost for 5G NR SA. (42c8dceb) · Commits · e / os / android_frameworks_opt_telephony

src/java/com/android/internal/telephony/ServiceStateTracker.java

+72 −42

Original line number	Diff line number	Diff line
		@@ -642,11 +642,17 @@ public class ServiceStateTracker extends Handler {
		* Reference: 3GPP TS 36.104 5.4.3)
		* inclusive ranges for which the lte rsrp boost is applied */
		private ArrayList<Pair<Integer, Integer>> mEarfcnPairListForRsrpBoost = null;

		private int mLteRsrpBoost = 0; // offset which is reduced from the rsrp threshold
		// while calculating signal strength level.
		private final Object mLteRsrpBoostLock = new Object();
		private static final int INVALID_LTE_EARFCN = -1;

		/* Ranges of NR ARFCNs (5G Absolute Radio Frequency Channel Number,
		* Reference: 3GPP TS 38.104)
		* inclusive ranges for which the corresponding nr rsrp boost is applied */
		private ArrayList<Pair<Integer, Integer>> mNrarfcnRangeListForRsrpBoost = null;
		private int[] mNrRsrpBoost;

		private final Object mRsrpBoostLock = new Object();
		private static final int INVALID_ARFCN = -1;

		private final List<SignalRequestRecord> mSignalRequestRecords = new ArrayList<>();

		@@ -1199,23 +1205,6 @@ public class ServiceStateTracker extends Handler {
		}
		}

		private int getLteEarfcn(CellIdentity cellIdentity) {
		int lteEarfcn = INVALID_LTE_EARFCN;
		if (cellIdentity != null) {
		switch (cellIdentity.getType()) {
		case CellInfoType.LTE: {
		lteEarfcn = ((CellIdentityLte) cellIdentity).getEarfcn();
		break;
		}
		default: {
		break;
		}
		}
		}

		return lteEarfcn;
		}

		@Override
		public void handleMessage(Message msg) {
		AsyncResult ar;
		@@ -2440,8 +2429,7 @@ public class ServiceStateTracker extends Handler {
		mNewSS.setDataRoamingFromRegistration(isDataRoaming);
		}

		updateServiceStateLteEarfcnBoost(mNewSS,
		getLteEarfcn(networkRegState.getCellIdentity()));
		updateServiceStateArfcnRsrpBoost(mNewSS, networkRegState.getCellIdentity());
		break;
		}

		@@ -5072,19 +5060,21 @@ public class ServiceStateTracker extends Handler {
		/**
		* Checks if the provided earfcn falls withing the range of earfcns.
		*
		* return true if earfcn falls within the provided range; false otherwise.
		* return int index in earfcnPairList if earfcn falls within the provided range; -1 otherwise.
		*/
		private boolean containsEarfcnInEarfcnRange(ArrayList<Pair<Integer, Integer>> earfcnPairList,
		private int containsEarfcnInEarfcnRange(ArrayList<Pair<Integer, Integer>> earfcnPairList,
		int earfcn) {
		int index = 0;
		if (earfcnPairList != null) {
		for (Pair<Integer, Integer> earfcnPair : earfcnPairList) {
		if ((earfcn >= earfcnPair.first) && (earfcn <= earfcnPair.second)) {
		return true;
		return index;
		}
		index++;
		}
		}

		return false;
		return -1;
		}

		/**
		@@ -5145,7 +5135,7 @@ public class ServiceStateTracker extends Handler {
		mEriManager.loadEriFile();
		mCdnr.updateEfForEri(getOperatorNameFromEri());

		updateLteEarfcnLists(config);
		updateArfcnLists(config);
		updateReportingCriteria(config);
		updateOperatorNamePattern(config);
		mCdnr.updateEfFromCarrierConfig(config);
		@@ -5156,13 +5146,29 @@ public class ServiceStateTracker extends Handler {
		pollStateInternal(false);
		}

		private void updateLteEarfcnLists(PersistableBundle config) {
		synchronized (mLteRsrpBoostLock) {
		private void updateArfcnLists(PersistableBundle config) {
		synchronized (mRsrpBoostLock) {
		mLteRsrpBoost = config.getInt(CarrierConfigManager.KEY_LTE_EARFCNS_RSRP_BOOST_INT, 0);
		String[] earfcnsStringArrayForRsrpBoost = config.getStringArray(
		CarrierConfigManager.KEY_BOOSTED_LTE_EARFCNS_STRING_ARRAY);
		mEarfcnPairListForRsrpBoost = convertEarfcnStringArrayToPairList(
		earfcnsStringArrayForRsrpBoost);

		mNrRsrpBoost = config.getIntArray(
		CarrierConfigManager.KEY_NRARFCNS_RSRP_BOOST_INT_ARRAY);
		String[] nrarfcnsStringArrayForRsrpBoost = config.getStringArray(
		CarrierConfigManager.KEY_BOOSTED_NRARFCNS_STRING_ARRAY);
		mNrarfcnRangeListForRsrpBoost = convertEarfcnStringArrayToPairList(
		nrarfcnsStringArrayForRsrpBoost);

		if ((mNrRsrpBoost == null && mNrarfcnRangeListForRsrpBoost != null)
		\|\| (mNrRsrpBoost != null && mNrarfcnRangeListForRsrpBoost == null)
		\|\| (mNrRsrpBoost != null && mNrarfcnRangeListForRsrpBoost != null
		&& mNrRsrpBoost.length != mNrarfcnRangeListForRsrpBoost.size())) {
		loge("Invalid parameters for NR RSRP boost");
		mNrRsrpBoost = null;
		mNrarfcnRangeListForRsrpBoost = null;
		}
		}
		}

		@@ -5212,15 +5218,36 @@ public class ServiceStateTracker extends Handler {
		}
		}

		private void updateServiceStateLteEarfcnBoost(ServiceState serviceState, int lteEarfcn) {
		synchronized (mLteRsrpBoostLock) {
		if ((lteEarfcn != INVALID_LTE_EARFCN)
		&& containsEarfcnInEarfcnRange(mEarfcnPairListForRsrpBoost, lteEarfcn)) {
		serviceState.setLteEarfcnRsrpBoost(mLteRsrpBoost);
		} else {
		serviceState.setLteEarfcnRsrpBoost(0);
		private void updateServiceStateArfcnRsrpBoost(ServiceState serviceState,
		CellIdentity cellIdentity) {
		int rsrpBoost = 0;
		int arfcn;

		synchronized (mRsrpBoostLock) {
		switch (cellIdentity.getType()) {
		case CellInfo.TYPE_LTE:
		arfcn = ((CellIdentityLte) cellIdentity).getEarfcn();
		if (arfcn != INVALID_ARFCN
		&& containsEarfcnInEarfcnRange(mEarfcnPairListForRsrpBoost,
		arfcn) != -1) {
		rsrpBoost = mLteRsrpBoost;
		}
		break;
		case CellInfo.TYPE_NR:
		arfcn = ((CellIdentityNr) cellIdentity).getNrarfcn();
		if (arfcn != INVALID_ARFCN) {
		int index = containsEarfcnInEarfcnRange(mNrarfcnRangeListForRsrpBoost,
		arfcn);
		if (index != -1) {
		rsrpBoost = mNrRsrpBoost[index];
		}
		}
		break;
		default:
		break;
		}
		}
		serviceState.setArfcnRsrpBoost(rsrpBoost);
		}

		/**
		@@ -5469,11 +5496,12 @@ public class ServiceStateTracker extends Handler {
		}
		}

		private void dumpEarfcnPairList(PrintWriter pw) {
		pw.print(" mEarfcnPairListForRsrpBoost={");
		if (mEarfcnPairListForRsrpBoost != null) {
		int i = mEarfcnPairListForRsrpBoost.size();
		for (Pair<Integer, Integer> earfcnPair : mEarfcnPairListForRsrpBoost) {
		private void dumpEarfcnPairList(PrintWriter pw, ArrayList<Pair<Integer, Integer>> pairList,
		String name) {
		pw.print(" " + name + "={");
		if (pairList != null) {
		int i = pairList.size();
		for (Pair<Integer, Integer> earfcnPair : pairList) {
		pw.print("(");
		pw.print(earfcnPair.first);
		pw.print(",");
		@@ -5570,9 +5598,11 @@ public class ServiceStateTracker extends Handler {
		pw.println(" mDeviceShuttingDown=" + mDeviceShuttingDown);
		pw.println(" mSpnUpdatePending=" + mSpnUpdatePending);
		pw.println(" mLteRsrpBoost=" + mLteRsrpBoost);
		pw.println(" mNrRsrpBoost=" + Arrays.toString(mNrRsrpBoost));
		pw.println(" mCellInfoMinIntervalMs=" + mCellInfoMinIntervalMs);
		pw.println(" mEriManager=" + mEriManager);
		dumpEarfcnPairList(pw);
		dumpEarfcnPairList(pw, mEarfcnPairListForRsrpBoost, "mEarfcnPairListForRsrpBoost");
		dumpEarfcnPairList(pw, mNrarfcnRangeListForRsrpBoost, "mNrarfcnRangeListForRsrpBoost");

		mLocaleTracker.dump(fd, pw, args);
		IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ");

tests/telephonytests/src/com/android/internal/telephony/CellSignalStrengthNrTest.java

+36 −2

Original line number	Diff line number	Diff line
		@@ -18,17 +18,23 @@ package com.android.internal.telephony;

		import static com.google.common.truth.Truth.assertThat;

		import static org.junit.Assert.assertEquals;
		import static org.mockito.Mockito.doReturn;

		import android.hardware.radio.V1_6.NrSignalStrength;
		import android.os.Parcel;
		import android.telephony.CellInfo;
		import android.telephony.CellSignalStrength;
		import android.telephony.CellSignalStrengthNr;
		import android.test.AndroidTestCase;
		import android.telephony.ServiceState;

		import com.google.common.collect.BoundType;
		import com.google.common.collect.Range;

		import org.junit.After;
		import org.junit.Before;
		import org.junit.Test;
		import org.mockito.Mock;

		import java.util.ArrayList;
		import java.util.Arrays;
		@@ -36,7 +42,7 @@ import java.util.Collections;
		import java.util.List;
		import java.util.stream.Collectors;

		public class CellSignalStrengthNrTest extends AndroidTestCase {
		public class CellSignalStrengthNrTest extends TelephonyTest {
		private static final int CSIRSRP = -123;
		private static final int CSIRSRQ = -11;
		private static final int ANOTHER_CSIRSRP = -111;
		@@ -51,6 +57,19 @@ public class CellSignalStrengthNrTest extends AndroidTestCase {
		private static final int SSRSRQ = -13;
		private static final int SSSINR = 32;

		@Mock
		ServiceState mSS;

		@Before
		public void setUp() throws Exception {
		super.setUp(this.getClass().getSimpleName());
		}

		@After
		public void tearDown() throws Exception {
		super.tearDown();
		}

		private List<Integer> getCsiCqiList() {
		return CSICQI_REPORT.stream()
		.map(cqi -> new Integer(Byte.toUnsignedInt(cqi)))
		@@ -220,4 +239,19 @@ public class CellSignalStrengthNrTest extends AndroidTestCase {
		assertThat(anotherCss.getSsRsrq()).isEqualTo(SSRSRQ);
		assertThat(anotherCss.getSsSinr()).isEqualTo(SSSINR);
		}

		@Test
		public void testLevel() {
		CellSignalStrengthNr css = new CellSignalStrengthNr(CSIRSRP, CSIRSRQ, CSISINR, SSRSRP,
		SSRSRQ, SSSINR);

		// No keys in the bundle - should use RSRP and default levels.
		css.updateLevel(null, null);
		assertEquals(0 /* NONE or UNKNOWN */, css.getLevel());

		doReturn(10).when(mSS).getArfcnRsrpBoost();
		// Add rsrp boost and level should change to 1 - POOR
		css.updateLevel(null, mSS);
		assertEquals(1 /* MODERATE */, css.getLevel());
		}
		}