Integrate Signal Threshold for 5G (c1f935e3) · Commits · e / os / android_frameworks_base

api/current.txt

+0 −1

Original line number	Diff line number	Diff line
		@@ -44266,7 +44266,6 @@ package android.telephony {
		field public static final String KEY_OPPORTUNISTIC_NETWORK_ENTRY_THRESHOLD_RSSNR_INT = "opportunistic_network_entry_threshold_rssnr_int";
		field public static final String KEY_OPPORTUNISTIC_NETWORK_EXIT_THRESHOLD_RSRP_INT = "opportunistic_network_exit_threshold_rsrp_int";
		field public static final String KEY_OPPORTUNISTIC_NETWORK_EXIT_THRESHOLD_RSSNR_INT = "opportunistic_network_exit_threshold_rssnr_int";
		field public static final String KEY_PARAMETERS_USE_FOR_5G_NR_SIGNAL_BAR_INT = "parameters_use_for_5g_nr_signal_bar_int";
		field public static final String KEY_PREFER_2G_BOOL = "prefer_2g_bool";
		field public static final String KEY_PREVENT_CLIR_ACTIVATION_AND_DEACTIVATION_CODE_BOOL = "prevent_clir_activation_and_deactivation_code_bool";
		field public static final String KEY_RADIO_RESTART_FAILURE_CAUSES_INT_ARRAY = "radio_restart_failure_causes_int_array";

telephony/java/android/telephony/CarrierConfigManager.java

+40 −3

Original line number	Diff line number	Diff line
		@@ -2323,7 +2323,7 @@ public class CarrierConfigManager {
		* Reference: 3GPP TS 38.215
		*
		* 4 threshold integers must be within the boundaries [-20 dB, -3 dB], and the levels are:
		* "NONE: [-23, threshold1]"
		* "NONE: [-20, threshold1]"
		* "POOR: (threshold1, threshold2]"
		* "MODERATE: (threshold2, threshold3]"
		* "GOOD: (threshold3, threshold4]"
		@@ -2357,15 +2357,26 @@ public class CarrierConfigManager {
		/**
		* Bit-field integer to determine whether to use SS reference signal received power (SSRSRP),
		* SS reference signal received quality (SSRSRQ), or/and SS signal-to-noise and interference
		* ratio (SSSINR) for the number of 5G NR signal bars. If multiple measures are set bit, the
		* parameter whose value is smallest is used to indicate the signal bar.
		* ratio (SSSINR) for the number of 5G NR signal bars and signal criteria reporting enabling.
		*
		* <p> If a measure is not set, signal criteria reporting from modem will not be triggered and
		* not be used for calculating signal level. If multiple measures are set bit, the parameter
		* whose value is smallest is used to indicate the signal level.
		*
		* SSRSRP = 1 << 0,
		* SSRSRQ = 1 << 1,
		* SSSINR = 1 << 2,
		*
		* The value of this key must be bitwise OR of {@link CellSignalStrengthNr#USE_SSRSRP},
		* {@link CellSignalStrengthNr#USE_SSRSRQ}, {@link CellSignalStrengthNr#USE_SSSINR}.
		*
		* For example, if both SSRSRP and SSSINR are used, the value of key is 5 (1 << 0 \| 1 << 2).
		* If the key is invalid or not configured, a default value (SSRSRP = 1 << 0) will apply.
		*
		* Reference: 3GPP TS 38.215,
		* 3GPP TS 38.133 10.1.16.1
		*
		* @hide
		*/
		public static final String KEY_PARAMETERS_USE_FOR_5G_NR_SIGNAL_BAR_INT =
		"parameters_use_for_5g_nr_signal_bar_int";
		@@ -3692,6 +3703,32 @@ public class CarrierConfigManager {
		-95, /* SIGNAL_STRENGTH_GOOD */
		-85 /* SIGNAL_STRENGTH_GREAT */
		});
		sDefaults.putIntArray(KEY_5G_NR_SSRSRP_THRESHOLDS_INT_ARRAY,
		// Boundaries: [-140 dB, -44 dB]
		new int[] {
		-125, /* SIGNAL_STRENGTH_POOR */
		-115, /* SIGNAL_STRENGTH_MODERATE */
		-105, /* SIGNAL_STRENGTH_GOOD */
		-95, /* SIGNAL_STRENGTH_GREAT */
		});
		sDefaults.putIntArray(KEY_5G_NR_SSRSRQ_THRESHOLDS_INT_ARRAY,
		// Boundaries: [-20 dB, -3 dB]
		new int[] {
		-14, /* SIGNAL_STRENGTH_POOR */
		-12, /* SIGNAL_STRENGTH_MODERATE */
		-10, /* SIGNAL_STRENGTH_GOOD */
		-8 /* SIGNAL_STRENGTH_GREAT */
		});
		sDefaults.putIntArray(KEY_5G_NR_SSSINR_THRESHOLDS_INT_ARRAY,
		// Boundaries: [-23 dB, 40 dB]
		new int[] {
		-8, /* SIGNAL_STRENGTH_POOR */
		0, /* SIGNAL_STRENGTH_MODERATE */
		8, /* SIGNAL_STRENGTH_GOOD */
		16 /* SIGNAL_STRENGTH_GREAT */
		});
		sDefaults.putInt(KEY_PARAMETERS_USE_FOR_5G_NR_SIGNAL_BAR_INT,
		CellSignalStrengthNr.USE_SSRSRP);
		sDefaults.putString(KEY_WCDMA_DEFAULT_SIGNAL_STRENGTH_MEASUREMENT_STRING, "rssi");
		sDefaults.putBoolean(KEY_CONFIG_SHOW_ORIG_DIAL_STRING_FOR_CDMA_BOOL, false);
		sDefaults.putBoolean(KEY_SHOW_CALL_BLOCKING_DISABLED_NOTIFICATION_ALWAYS_BOOL, false);

telephony/java/android/telephony/CellSignalStrengthNr.java

+153 −14

Original line number	Diff line number	Diff line
		@@ -16,11 +16,15 @@

		package android.telephony;

		import android.annotation.IntDef;
		import android.annotation.IntRange;
		import android.os.Parcel;
		import android.os.Parcelable;
		import android.os.PersistableBundle;

		import java.lang.annotation.Retention;
		import java.lang.annotation.RetentionPolicy;
		import java.util.Arrays;
		import java.util.Objects;

		/**
		@@ -36,13 +40,67 @@ public final class CellSignalStrengthNr extends CellSignalStrength implements Pa

		private static final String TAG = "CellSignalStrengthNr";

		// Lifted from Default carrier configs and max range of SSRSRP
		// Boundaries: [-140 dB, -44 dB]
		private int[] mSsRsrpThresholds = new int[] {
		-125, /* SIGNAL_STRENGTH_POOR */
		-115, /* SIGNAL_STRENGTH_MODERATE */
		-105, /* SIGNAL_STRENGTH_GOOD */
		-95, /* SIGNAL_STRENGTH_GREAT */
		};

		// Lifted from Default carrier configs and max range of SSRSRQ
		// Boundaries: [-20 dB, -3 dB]
		private int[] mSsRsrqThresholds = new int[] {
		-14, /* SIGNAL_STRENGTH_POOR */
		-12, /* SIGNAL_STRENGTH_MODERATE */
		-10, /* SIGNAL_STRENGTH_GOOD */
		-8 /* SIGNAL_STRENGTH_GREAT */
		};

		// Lifted from Default carrier configs and max range of SSSINR
		// Boundaries: [-23 dB, 40 dB]
		private int[] mSsSinrThresholds = new int[] {
		-8, /* SIGNAL_STRENGTH_POOR */
		0, /* SIGNAL_STRENGTH_MODERATE */
		8, /* SIGNAL_STRENGTH_GOOD */
		16 /* SIGNAL_STRENGTH_GREAT */
		};

		/**
		* Indicates SSRSRP is considered for {@link #getLevel()} and reporting from modem.
		*
		* @hide
		*/
		public static final int USE_SSRSRP = 1 << 0;
		/**
		* Indicates SSRSRQ is considered for {@link #getLevel()} and reporting from modem.
		*
		* @hide
		*/
		public static final int USE_SSRSRQ = 1 << 1;
		/**
		* These threshold values are copied from LTE.
		* TODO: make it configurable via CarrierConfig.
		* Indicates SSSINR is considered for {@link #getLevel()} and reporting from modem.
		*
		* @hide
		*/
		private static final int SIGNAL_GREAT_THRESHOLD = -95;
		private static final int SIGNAL_GOOD_THRESHOLD = -105;
		private static final int SIGNAL_MODERATE_THRESHOLD = -115;
		public static final int USE_SSSINR = 1 << 2;

		/**
		* Bit-field integer to determine whether to use SS reference signal received power (SSRSRP),
		* SS reference signal received quality (SSRSRQ), or/and SS signal-to-noise and interference
		* ratio (SSSINR) for the number of 5G NR signal bars. If multiple measures are set bit, the
		* parameter whose value is smallest is used to indicate the signal bar.
		*
		* @hide
		*/
		@IntDef(flag = true, prefix = { "USE_" }, value = {
		USE_SSRSRP,
		USE_SSRSRQ,
		USE_SSSINR
		})
		@Retention(RetentionPolicy.SOURCE)
		public @interface SignalLevelAndReportCriteriaSource {}

		private int mCsiRsrp;
		private int mCsiRsrq;
		@@ -52,6 +110,21 @@ public final class CellSignalStrengthNr extends CellSignalStrength implements Pa
		private int mSsSinr;
		private int mLevel;

		/**
		* Bit-field integer to determine whether to use SS reference signal received power (SSRSRP),
		* SS reference signal received quality (SSRSRQ), or/and SS signal-to-noise and interference
		* ratio (SSSINR) for the number of 5G NR signal bars. If multiple measures are set bit, the
		* parameter whose value is smallest is used to indicate the signal bar.
		*
		* SSRSRP = 1 << 0,
		* SSRSRQ = 1 << 1,
		* SSSINR = 1 << 2,
		*
		* For example, if both SSRSRP and SSSINR are used, the value of key is 5 (1 << 0 \| 1 << 2).
		* If the key is invalid or not configured, a default value (SSRSRP = 1 << 0) will apply.
		*/
		private int mParametersUseForLevel;

		/** @hide */
		public CellSignalStrengthNr() {
		setDefaultValues();
		@@ -182,6 +255,7 @@ public final class CellSignalStrengthNr extends CellSignalStrength implements Pa
		mSsRsrq = CellInfo.UNAVAILABLE;
		mSsSinr = CellInfo.UNAVAILABLE;
		mLevel = SIGNAL_STRENGTH_NONE_OR_UNKNOWN;
		mParametersUseForLevel = USE_SSRSRP;
		}

		/** {@inheritDoc} */
		@@ -191,20 +265,83 @@ public final class CellSignalStrengthNr extends CellSignalStrength implements Pa
		return mLevel;
		}

		/**
		* Checks if the given parameter type is considered to use for {@link #getLevel()}.
		*
		* Note: if multiple parameter types are considered, the smaller level for one of the
		* parameters would be returned by {@link #getLevel()}
		*
		* @param parameterType bitwise OR of {@link #USE_SSRSRP}, {@link #USE_SSRSRQ},
		* {@link #USE_SSSINR}
		* @return {@code true} if the level is calculated based on the given parameter type;
		* {@code false} otherwise.
		*
		*/
		private boolean isLevelForParameter(@SignalLevelAndReportCriteriaSource int parameterType) {
		return (parameterType & mParametersUseForLevel) == parameterType;
		}

		/** @hide */
		@Override
		public void updateLevel(PersistableBundle cc, ServiceState ss) {
		if (mSsRsrp == CellInfo.UNAVAILABLE) {
		mLevel = SIGNAL_STRENGTH_NONE_OR_UNKNOWN;
		} else if (mSsRsrp >= SIGNAL_GREAT_THRESHOLD) {
		mLevel = SIGNAL_STRENGTH_GREAT;
		} else if (mSsRsrp >= SIGNAL_GOOD_THRESHOLD) {
		mLevel = SIGNAL_STRENGTH_GOOD;
		} else if (mSsRsrp >= SIGNAL_MODERATE_THRESHOLD) {
		mLevel = SIGNAL_STRENGTH_MODERATE;
		if (cc == null) {
		mParametersUseForLevel = USE_SSRSRP;
		} else {
		mParametersUseForLevel = cc.getInt(
		CarrierConfigManager.KEY_PARAMETERS_USE_FOR_5G_NR_SIGNAL_BAR_INT, USE_SSRSRP);
		Rlog.i(TAG, "Using SSRSRP for Level.");
		mSsRsrpThresholds = cc.getIntArray(
		CarrierConfigManager.KEY_5G_NR_SSRSRP_THRESHOLDS_INT_ARRAY);
		Rlog.i(TAG, "Applying 5G NR SSRSRP Thresholds: " + Arrays.toString(mSsRsrpThresholds));
		mSsRsrqThresholds = cc.getIntArray(
		CarrierConfigManager.KEY_5G_NR_SSRSRQ_THRESHOLDS_INT_ARRAY);
		Rlog.i(TAG, "Applying 5G NR SSRSRQ Thresholds: " + Arrays.toString(mSsRsrqThresholds));
		mSsSinrThresholds = cc.getIntArray(
		CarrierConfigManager.KEY_5G_NR_SSSINR_THRESHOLDS_INT_ARRAY);
		Rlog.i(TAG, "Applying 5G NR SSSINR Thresholds: " + Arrays.toString(mSsSinrThresholds));
		}
		int ssRsrpLevel = SignalStrength.INVALID;
		int ssRsrqLevel = SignalStrength.INVALID;
		int ssSinrLevel = SignalStrength.INVALID;
		if (isLevelForParameter(USE_SSRSRP)) {
		ssRsrpLevel = updateLevelWithMeasure(mSsRsrp, mSsRsrpThresholds);
		Rlog.i(TAG, "Updated 5G NR SSRSRP Level: " + ssRsrpLevel);
		}
		if (isLevelForParameter(USE_SSRSRQ)) {
		ssRsrqLevel = updateLevelWithMeasure(mSsRsrq, mSsRsrqThresholds);
		Rlog.i(TAG, "Updated 5G NR SSRSRQ Level: " + ssRsrqLevel);
		}
		if (isLevelForParameter(USE_SSSINR)) {
		ssSinrLevel = updateLevelWithMeasure(mSsSinr, mSsSinrThresholds);
		Rlog.i(TAG, "Updated 5G NR SSSINR Level: " + ssSinrLevel);
		}
		// Apply the smaller value among three levels of three measures.
		mLevel = Math.min(Math.min(ssRsrpLevel, ssRsrqLevel), ssSinrLevel);
		}

		/**
		* Update level with corresponding measure and thresholds.
		*
		* @param measure corresponding signal measure
		* @param thresholds corresponding signal thresholds
		* @return level of the signal strength
		*/
		private int updateLevelWithMeasure(int measure, int[] thresholds) {
		int level;
		if (measure == CellInfo.UNAVAILABLE) {
		level = SIGNAL_STRENGTH_NONE_OR_UNKNOWN;
		} else if (measure > thresholds[3]) {
		level = SIGNAL_STRENGTH_GREAT;
		} else if (measure > thresholds[2]) {
		level = SIGNAL_STRENGTH_GOOD;
		} else if (measure > thresholds[1]) {
		level = SIGNAL_STRENGTH_MODERATE;
		} else if (measure > thresholds[0]) {
		level = SIGNAL_STRENGTH_POOR;
		} else {
		mLevel = SIGNAL_STRENGTH_POOR;
		level = SIGNAL_STRENGTH_NONE_OR_UNKNOWN;
		}
		return level;
		}

		/**
		@@ -247,6 +384,7 @@ public final class CellSignalStrengthNr extends CellSignalStrength implements Pa
		mSsRsrq = s.mSsRsrq;
		mSsSinr = s.mSsSinr;
		mLevel = s.mLevel;
		mParametersUseForLevel = s.mParametersUseForLevel;
		}

		/** @hide */
		@@ -290,6 +428,7 @@ public final class CellSignalStrengthNr extends CellSignalStrength implements Pa
		.append(" ssRsrq = " + mSsRsrq)
		.append(" ssSinr = " + mSsSinr)
		.append(" level = " + mLevel)
		.append(" parametersUseForLevel = " + mParametersUseForLevel)
		.append(" }")
		.toString();
		}

telephony/java/android/telephony/SignalThresholdInfo.java

0 → 100644

+256 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2019 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package android.telephony;

		import android.annotation.IntDef;
		import android.annotation.NonNull;
		import android.os.Parcel;
		import android.os.Parcelable;

		import java.lang.annotation.Retention;
		import java.lang.annotation.RetentionPolicy;
		import java.util.Arrays;
		import java.util.Objects;

		/**
		* Defines the threshold value of the signal strength.
		* @hide
		*/
		public class SignalThresholdInfo implements Parcelable {
		/**
		* Received Signal Strength Indication.
		* Range: -113 dBm and -51 dBm
		* Used RAN: GERAN, CDMA2000
		* Reference: 3GPP TS 27.007 section 8.5.
		*/
		public static final int SIGNAL_RSSI = 1;

		/**
		* Received Signal Code Power.
		* Range: -120 dBm to -25 dBm;
		* Used RAN: UTRAN
		* Reference: 3GPP TS 25.123, section 9.1.1.1
		*/
		public static final int SIGNAL_RSCP = 2;

		/**
		* Reference Signal Received Power.
		* Range: -140 dBm to -44 dBm;
		* Used RAN: EUTRAN
		* Reference: 3GPP TS 36.133 9.1.4
		*/
		public static final int SIGNAL_RSRP = 3;

		/**
		* Reference Signal Received Quality
		* Range: -20 dB to -3 dB;
		* Used RAN: EUTRAN
		* Reference: 3GPP TS 36.133 9.1.7
		*/
		public static final int SIGNAL_RSRQ = 4;

		/**
		* Reference Signal Signal to Noise Ratio
		* Range: -20 dB to 30 dB;
		* Used RAN: EUTRAN
		*/
		public static final int SIGNAL_RSSNR = 5;

		/**
		* 5G SS reference signal received power.
		* Range: -140 dBm to -44 dBm.
		* Used RAN: NGRAN
		* Reference: 3GPP TS 38.215.
		*/
		public static final int SIGNAL_SSRSRP = 6;

		/**
		* 5G SS reference signal received quality.
		* Range: -20 dB to -3 dB.
		* Used RAN: NGRAN
		* Reference: 3GPP TS 38.215.
		*/
		public static final int SIGNAL_SSRSRQ = 7;

		/**
		* 5G SS signal-to-noise and interference ratio.
		* Range: -23 dB to 40 dB
		* Used RAN: NGRAN
		* Reference: 3GPP TS 38.215 section 5.1.*, 3GPP TS 38.133 section 10.1.16.1.
		*/
		public static final int SIGNAL_SSSINR = 8;

		/** @hide */
		@IntDef(prefix = { "SIGNAL_" }, value = {
		SIGNAL_RSSI,
		SIGNAL_RSCP,
		SIGNAL_RSRP,
		SIGNAL_RSRQ,
		SIGNAL_RSSNR,
		SIGNAL_SSRSRP,
		SIGNAL_SSRSRQ,
		SIGNAL_SSSINR
		})
		@Retention(RetentionPolicy.SOURCE)
		public @interface SignalMeasurementType {}

		@SignalMeasurementType
		private int mSignalMeasurement;

		/**
		* A hysteresis time in milliseconds to prevent flapping.
		* A value of 0 disables hysteresis
		*/
		private int mHysteresisMs;

		/**
		* An interval in dB defining the required magnitude change between reports.
		* hysteresisDb must be smaller than the smallest threshold delta.
		* An interval value of 0 disables hysteresis.
		*/
		private int mHysteresisDb;

		/**
		* List of threshold values.
		* Range and unit must reference specific SignalMeasurementType
		* The threshold values for which to apply criteria.
		* A vector size of 0 disables the use of thresholds for reporting.
		*/
		private int[] mThresholds = null;

		/**
		* {@code true} means modem must trigger the report based on the criteria;
		* {@code false} means modem must not trigger the report based on the criteria.
		*/
		private boolean mIsEnabled = true;

		/**
		* Indicates the hysteresisMs is disabled.
		*/
		public static final int HYSTERESIS_MS_DISABLED = 0;

		/**
		* Indicates the hysteresisDb is disabled.
		*/
		public static final int HYSTERESIS_DB_DISABLED = 0;

		/**
		* Constructor
		*
		* @param signalMeasurement Signal Measurement Type
		* @param hysteresisMs hysteresisMs
		* @param hysteresisDb hysteresisDb
		* @param thresholds threshold value
		* @param isEnabled isEnabled
		*/
		public SignalThresholdInfo(@SignalMeasurementType int signalMeasurement,
		int hysteresisMs, int hysteresisDb, @NonNull int [] thresholds, boolean isEnabled) {
		mSignalMeasurement = signalMeasurement;
		mHysteresisMs = hysteresisMs < 0 ? HYSTERESIS_MS_DISABLED : hysteresisMs;
		mHysteresisDb = hysteresisDb < 0 ? HYSTERESIS_DB_DISABLED : hysteresisDb;
		mThresholds = thresholds == null ? null : thresholds.clone();
		mIsEnabled = isEnabled;
		}

		public @SignalMeasurementType int getSignalMeasurement() {
		return mSignalMeasurement;
		}

		public int getHysteresisMs() {
		return mHysteresisMs;
		}

		public int getHysteresisDb() {
		return mHysteresisDb;
		}

		public boolean isEnabled() {
		return mIsEnabled;
		}

		public int[] getThresholds() {
		return mThresholds == null ? null : mThresholds.clone();
		}

		@Override
		public int describeContents() {
		return 0;
		}

		@Override
		public void writeToParcel(Parcel out, int flags) {
		out.writeInt(mSignalMeasurement);
		out.writeInt(mHysteresisMs);
		out.writeInt(mHysteresisDb);
		out.writeIntArray(mThresholds);
		out.writeBoolean(mIsEnabled);
		}

		private SignalThresholdInfo(Parcel in) {
		mSignalMeasurement = in.readInt();
		mHysteresisMs = in.readInt();
		mHysteresisDb = in.readInt();
		mThresholds = in.createIntArray();
		mIsEnabled = in.readBoolean();
		}

		@Override
		public boolean equals(Object o) {
		if (this == o) return true;

		if (!(o instanceof SignalThresholdInfo)) {
		return false;
		}

		SignalThresholdInfo other = (SignalThresholdInfo) o;
		return mSignalMeasurement == other.mSignalMeasurement
		&& mHysteresisMs == other.mHysteresisMs
		&& mHysteresisDb == other.mHysteresisDb
		&& Arrays.equals(mThresholds, other.mThresholds)
		&& mIsEnabled == other.mIsEnabled;
		}

		@Override
		public int hashCode() {
		return Objects.hash(
		mSignalMeasurement, mHysteresisMs, mHysteresisDb, mThresholds, mIsEnabled);
		}

		public static final @NonNull Parcelable.Creator<SignalThresholdInfo> CREATOR =
		new Parcelable.Creator<SignalThresholdInfo>() {
		@Override
		public SignalThresholdInfo createFromParcel(Parcel in) {
		return new SignalThresholdInfo(in);
		}

		@Override
		public SignalThresholdInfo[] newArray(int size) {
		return new SignalThresholdInfo[size];
		}
		};

		@Override
		public String toString() {
		return new StringBuilder("SignalThresholdInfo{")
		.append("mSignalMeasurement=").append(mSignalMeasurement)
		.append("mHysteresisMs=").append(mSignalMeasurement)
		.append("mHysteresisDb=").append(mHysteresisDb)
		.append("mThresholds=").append(Arrays.toString(mThresholds))
		.append("mIsEnabled=").append(mIsEnabled)
		.append("}").toString();
		}
		}