Merge "Support Signal strength offset"

telephony/java/android/telephony/CarrierConfigManager.java

@@ -1135,6 +1135,22 @@ public class CarrierConfigManager {
     public static final String KEY_NOTIFY_INTERNATIONAL_CALL_ON_WFC_BOOL =
             "notify_international_call_on_wfc_bool";
 
+    /**
+     * Offset to be reduced from rsrp threshold while calculating signal strength level.
+     * @hide
+     */
+    public static final String KEY_LTE_EARFCNS_RSRP_BOOST_INT = "lte_earfcns_rsrp_boost_int";
+
+    /**
+     * List of EARFCN (E-UTRA Absolute Radio Frequency Channel Number,
+     * Reference: 3GPP TS 36.104 5.4.3) inclusive ranges on which lte_rsrp_boost_int
+     * will be applied. Format of the String array is expected to be {"erafcn1_start-earfcn1_end",
+     * "earfcn2_start-earfcn2_end" ... }
+     * @hide
+     */
+    public static final String KEY_BOOSTED_LTE_EARFCNS_STRING_ARRAY =
+            "boosted_lte_earfcns_string_array";
+
     /** The default value for every variable. */
     private final static PersistableBundle sDefaults;
 
@@ -1341,6 +1357,8 @@ public class CarrierConfigManager {
         sDefaults.putBoolean(KEY_EDITABLE_WFC_ROAMING_MODE_BOOL, false);
         sDefaults.putBoolean(KEY_SUPPORT_3GPP_CALL_FORWARDING_WHILE_ROAMING_BOOL, true);
         sDefaults.putBoolean(KEY_NOTIFY_INTERNATIONAL_CALL_ON_WFC_BOOL, false);
+        sDefaults.putInt(KEY_LTE_EARFCNS_RSRP_BOOST_INT, 0);
+        sDefaults.putStringArray(KEY_BOOSTED_LTE_EARFCNS_STRING_ARRAY, null);
     }
 
     /**

telephony/java/android/telephony/ServiceState.java

@@ -243,6 +243,10 @@ public class ServiceState implements Parcelable {
 
     private boolean mIsUsingCarrierAggregation;
 
+    /* EARFCN stands for E-UTRA Absolute Radio Frequency Channel Number,
+     * Reference: 3GPP TS 36.104 5.4.3 */
+    private int mLteEarfcnRsrpBoost = 0;
+
     /**
      * get String description of roaming type
      * @hide
@@ -322,6 +326,7 @@ public class ServiceState implements Parcelable {
         mIsEmergencyOnly = s.mIsEmergencyOnly;
         mIsDataRoamingFromRegistration = s.mIsDataRoamingFromRegistration;
         mIsUsingCarrierAggregation = s.mIsUsingCarrierAggregation;
+        mLteEarfcnRsrpBoost = s.mLteEarfcnRsrpBoost;
     }
 
     /**
@@ -351,6 +356,7 @@ public class ServiceState implements Parcelable {
         mIsEmergencyOnly = in.readInt() != 0;
         mIsDataRoamingFromRegistration = in.readInt() != 0;
         mIsUsingCarrierAggregation = in.readInt() != 0;
+        mLteEarfcnRsrpBoost = in.readInt();
     }
 
     public void writeToParcel(Parcel out, int flags) {
@@ -377,6 +383,7 @@ public class ServiceState implements Parcelable {
         out.writeInt(mIsEmergencyOnly ? 1 : 0);
         out.writeInt(mIsDataRoamingFromRegistration ? 1 : 0);
         out.writeInt(mIsUsingCarrierAggregation ? 1 : 0);
+        out.writeInt(mLteEarfcnRsrpBoost);
     }
 
     public int describeContents() {
@@ -814,7 +821,8 @@ public class ServiceState implements Parcelable {
                 + " DefRoamInd=" + mCdmaDefaultRoamingIndicator
                 + " EmergOnly=" + mIsEmergencyOnly
                 + " IsDataRoamingFromRegistration=" + mIsDataRoamingFromRegistration
-                + " IsUsingCarrierAggregation=" + mIsUsingCarrierAggregation);
+                + " IsUsingCarrierAggregation=" + mIsUsingCarrierAggregation
+                + " mLteEarfcnRsrpBoost=" + mLteEarfcnRsrpBoost);
     }
 
     private void setNullState(int state) {
@@ -842,6 +850,7 @@ public class ServiceState implements Parcelable {
         mIsEmergencyOnly = false;
         mIsDataRoamingFromRegistration = false;
         mIsUsingCarrierAggregation = false;
+        mLteEarfcnRsrpBoost = 0;
     }
 
     public void setStateOutOfService() {
@@ -1016,6 +1025,7 @@ public class ServiceState implements Parcelable {
         mIsEmergencyOnly = m.getBoolean("emergencyOnly");
         mIsDataRoamingFromRegistration = m.getBoolean("isDataRoamingFromRegistration");
         mIsUsingCarrierAggregation = m.getBoolean("isUsingCarrierAggregation");
+        mLteEarfcnRsrpBoost = m.getInt("LteEarfcnRsrpBoost");
     }
 
     /**
@@ -1046,6 +1056,7 @@ public class ServiceState implements Parcelable {
         m.putBoolean("emergencyOnly", mIsEmergencyOnly);
         m.putBoolean("isDataRoamingFromRegistration", mIsDataRoamingFromRegistration);
         m.putBoolean("isUsingCarrierAggregation", mIsUsingCarrierAggregation);
+        m.putInt("LteEarfcnRsrpBoost", mLteEarfcnRsrpBoost);
     }
 
     /** @hide */
@@ -1080,6 +1091,16 @@ public class ServiceState implements Parcelable {
         mIsUsingCarrierAggregation = ca;
     }
 
+    /** @hide */
+    public int getLteEarfcnRsrpBoost() {
+        return mLteEarfcnRsrpBoost;
+    }
+
+    /** @hide */
+    public void setLteEarfcnRsrpBoost(int LteEarfcnRsrpBoost) {
+        mLteEarfcnRsrpBoost = LteEarfcnRsrpBoost;
+    }
+
     /** @hide */
     public void setCssIndicator(int css) {
         this.mCssIndicator = (css != 0);

telephony/java/android/telephony/SignalStrength.java

@@ -64,6 +64,8 @@ public class SignalStrength implements Parcelable {
     private int mLteRsrq;
     private int mLteRssnr;
     private int mLteCqi;
+    private int mLteRsrpBoost; // offset to be reduced from the rsrp threshold while calculating
+                                // signal strength level
     private int mTdScdmaRscp;
 
     private boolean isGsm; // This value is set by the ServiceStateTracker onSignalStrengthResult
@@ -104,6 +106,7 @@ public class SignalStrength implements Parcelable {
         mLteRsrq = INVALID;
         mLteRssnr = INVALID;
         mLteCqi = INVALID;
+        mLteRsrpBoost = 0;
         mTdScdmaRscp = INVALID;
         isGsm = true;
     }
@@ -129,10 +132,27 @@ public class SignalStrength implements Parcelable {
         mLteRsrq = INVALID;
         mLteRssnr = INVALID;
         mLteCqi = INVALID;
+        mLteRsrpBoost = 0;
         mTdScdmaRscp = INVALID;
         isGsm = gsmFlag;
     }
 
+    /**
+     * Constructor
+     *
+     * @hide
+     */
+    public SignalStrength(int gsmSignalStrength, int gsmBitErrorRate,
+            int cdmaDbm, int cdmaEcio,
+            int evdoDbm, int evdoEcio, int evdoSnr,
+            int lteSignalStrength, int lteRsrp, int lteRsrq, int lteRssnr, int lteCqi,
+            int lteRsrpBoost, int tdScdmaRscp, boolean gsmFlag) {
+        initialize(gsmSignalStrength, gsmBitErrorRate, cdmaDbm, cdmaEcio,
+                evdoDbm, evdoEcio, evdoSnr, lteSignalStrength, lteRsrp,
+                lteRsrq, lteRssnr, lteCqi, lteRsrpBoost, gsmFlag);
+        mTdScdmaRscp = tdScdmaRscp;
+    }
+
     /**
      * Constructor
      *
@@ -145,7 +165,7 @@ public class SignalStrength implements Parcelable {
             int tdScdmaRscp, boolean gsmFlag) {
         initialize(gsmSignalStrength, gsmBitErrorRate, cdmaDbm, cdmaEcio,
                 evdoDbm, evdoEcio, evdoSnr, lteSignalStrength, lteRsrp,
-                lteRsrq, lteRssnr, lteCqi, gsmFlag);
+                lteRsrq, lteRssnr, lteCqi, 0, gsmFlag);
         mTdScdmaRscp = tdScdmaRscp;
     }
 
@@ -161,7 +181,7 @@ public class SignalStrength implements Parcelable {
             boolean gsmFlag) {
         initialize(gsmSignalStrength, gsmBitErrorRate, cdmaDbm, cdmaEcio,
                 evdoDbm, evdoEcio, evdoSnr, lteSignalStrength, lteRsrp,
-                lteRsrq, lteRssnr, lteCqi, gsmFlag);
+                lteRsrq, lteRssnr, lteCqi, 0, gsmFlag);
     }
 
     /**
@@ -175,7 +195,7 @@ public class SignalStrength implements Parcelable {
             boolean gsmFlag) {
         initialize(gsmSignalStrength, gsmBitErrorRate, cdmaDbm, cdmaEcio,
                 evdoDbm, evdoEcio, evdoSnr, 99, INVALID,
-                INVALID, INVALID, INVALID, gsmFlag);
+                INVALID, INVALID, INVALID, 0, gsmFlag);
     }
 
     /**
@@ -209,7 +229,7 @@ public class SignalStrength implements Parcelable {
             boolean gsm) {
         initialize(gsmSignalStrength, gsmBitErrorRate, cdmaDbm, cdmaEcio,
                 evdoDbm, evdoEcio, evdoSnr, 99, INVALID,
-                INVALID, INVALID, INVALID, gsm);
+                INVALID, INVALID, INVALID, 0, gsm);
     }
 
     /**
@@ -227,6 +247,7 @@ public class SignalStrength implements Parcelable {
      * @param lteRsrq
      * @param lteRssnr
      * @param lteCqi
+     * @param lteRsrpBoost
      * @param gsm
      *
      * @hide
@@ -235,7 +256,7 @@ public class SignalStrength implements Parcelable {
             int cdmaDbm, int cdmaEcio,
             int evdoDbm, int evdoEcio, int evdoSnr,
             int lteSignalStrength, int lteRsrp, int lteRsrq, int lteRssnr, int lteCqi,
-            boolean gsm) {
+            int lteRsrpBoost, boolean gsm) {
         mGsmSignalStrength = gsmSignalStrength;
         mGsmBitErrorRate = gsmBitErrorRate;
         mCdmaDbm = cdmaDbm;
@@ -248,6 +269,7 @@ public class SignalStrength implements Parcelable {
         mLteRsrq = lteRsrq;
         mLteRssnr = lteRssnr;
         mLteCqi = lteCqi;
+        mLteRsrpBoost = lteRsrpBoost;
         mTdScdmaRscp = INVALID;
         isGsm = gsm;
         if (DBG) log("initialize: " + toString());
@@ -269,6 +291,7 @@ public class SignalStrength implements Parcelable {
         mLteRsrq = s.mLteRsrq;
         mLteRssnr = s.mLteRssnr;
         mLteCqi = s.mLteCqi;
+        mLteRsrpBoost = s.mLteRsrpBoost;
         mTdScdmaRscp = s.mTdScdmaRscp;
         isGsm = s.isGsm;
     }
@@ -293,6 +316,7 @@ public class SignalStrength implements Parcelable {
         mLteRsrq = in.readInt();
         mLteRssnr = in.readInt();
         mLteCqi = in.readInt();
+        mLteRsrpBoost = in.readInt();
         mTdScdmaRscp = in.readInt();
         isGsm = (in.readInt() != 0);
     }
@@ -340,6 +364,7 @@ public class SignalStrength implements Parcelable {
         out.writeInt(mLteRsrq);
         out.writeInt(mLteRssnr);
         out.writeInt(mLteCqi);
+        out.writeInt(mLteRsrpBoost);
         out.writeInt(mTdScdmaRscp);
         out.writeInt(isGsm ? 1 : 0);
     }
@@ -415,6 +440,18 @@ public class SignalStrength implements Parcelable {
         isGsm = gsmFlag;
     }
 
+    /**
+     * @param lteRsrpBoost - signal strength offset
+     *
+     * Used by phone to set the lte signal strength offset which will be
+     * reduced from rsrp threshold while calculating signal strength level
+     *
+     * @hide
+     */
+    public void setLteRsrpBoost(int lteRsrpBoost) {
+        mLteRsrpBoost = lteRsrpBoost;
+    }
+
     /**
      * Get the GSM Signal Strength, valid values are (0-31, 99) as defined in TS
      * 27.007 8.5
@@ -490,6 +527,11 @@ public class SignalStrength implements Parcelable {
         return mLteCqi;
     }
 
+    /** @hide */
+    public int getLteRsrpBoost() {
+        return mLteRsrpBoost;
+    }
+
     /**
      * Retrieve an abstract level value for the overall signal strength.
      *
@@ -793,12 +835,19 @@ public class SignalStrength implements Parcelable {
             Log.wtf(LOG_TAG, "getLteLevel - config_lteDbmThresholds has invalid num of elements."
                     + " Cannot evaluate RSRP signal.");
         } else {
-            if (mLteRsrp > threshRsrp[5]) rsrpIconLevel = -1;
+            if (mLteRsrp > threshRsrp[5]) {
-            else if (mLteRsrp >= threshRsrp[4]) rsrpIconLevel = SIGNAL_STRENGTH_GREAT;
+                rsrpIconLevel = -1;
-            else if (mLteRsrp >= threshRsrp[3]) rsrpIconLevel = SIGNAL_STRENGTH_GOOD;
+            } else if (mLteRsrp >= (threshRsrp[4] - mLteRsrpBoost)) {
-            else if (mLteRsrp >= threshRsrp[2]) rsrpIconLevel = SIGNAL_STRENGTH_MODERATE;
+                rsrpIconLevel = SIGNAL_STRENGTH_GREAT;
-            else if (mLteRsrp >= threshRsrp[1]) rsrpIconLevel = SIGNAL_STRENGTH_POOR;
+            } else if (mLteRsrp >= (threshRsrp[3] - mLteRsrpBoost)) {
-            else if (mLteRsrp >= threshRsrp[0]) rsrpIconLevel = SIGNAL_STRENGTH_NONE_OR_UNKNOWN;
+                rsrpIconLevel = SIGNAL_STRENGTH_GOOD;
+            } else if (mLteRsrp >= (threshRsrp[2] - mLteRsrpBoost)) {
+                rsrpIconLevel = SIGNAL_STRENGTH_MODERATE;
+            } else if (mLteRsrp >= (threshRsrp[1] - mLteRsrpBoost)) {
+                rsrpIconLevel = SIGNAL_STRENGTH_POOR;
+            } else if (mLteRsrp >= threshRsrp[0]) {
+                rsrpIconLevel = SIGNAL_STRENGTH_NONE_OR_UNKNOWN;
+            }
         }
 
         /*
@@ -816,7 +865,8 @@ public class SignalStrength implements Parcelable {
             snrIconLevel = SIGNAL_STRENGTH_NONE_OR_UNKNOWN;
 
         if (DBG) log("getLTELevel - rsrp:" + mLteRsrp + " snr:" + mLteRssnr + " rsrpIconLevel:"
-                + rsrpIconLevel + " snrIconLevel:" + snrIconLevel);
+                + rsrpIconLevel + " snrIconLevel:" + snrIconLevel
+                + " lteRsrpBoost:" + mLteRsrpBoost);
 
         /* Choose a measurement type to use for notification */
         if (snrIconLevel != -1 && rsrpIconLevel != -1) {
@@ -939,7 +989,7 @@ public class SignalStrength implements Parcelable {
                 + (mEvdoDbm * primeNum) + (mEvdoEcio * primeNum) + (mEvdoSnr * primeNum)
                 + (mLteSignalStrength * primeNum) + (mLteRsrp * primeNum)
                 + (mLteRsrq * primeNum) + (mLteRssnr * primeNum) + (mLteCqi * primeNum)
-                + (mTdScdmaRscp * primeNum) + (isGsm ? 1 : 0));
+                + (mLteRsrpBoost * primeNum) + (mTdScdmaRscp * primeNum) + (isGsm ? 1 : 0));
     }
 
     /**
@@ -971,6 +1021,7 @@ public class SignalStrength implements Parcelable {
                 && mLteRsrq == s.mLteRsrq
                 && mLteRssnr == s.mLteRssnr
                 && mLteCqi == s.mLteCqi
+                && mLteRsrpBoost == s.mLteRsrpBoost
                 && mTdScdmaRscp == s.mTdScdmaRscp
                 && isGsm == s.isGsm);
     }
@@ -993,6 +1044,7 @@ public class SignalStrength implements Parcelable {
                 + " " + mLteRsrq
                 + " " + mLteRssnr
                 + " " + mLteCqi
+                + " " + mLteRsrpBoost
                 + " " + mTdScdmaRscp
                 + " " + (isGsm ? "gsm|lte" : "cdma"));
     }
@@ -1016,6 +1068,7 @@ public class SignalStrength implements Parcelable {
         mLteRsrq = m.getInt("LteRsrq");
         mLteRssnr = m.getInt("LteRssnr");
         mLteCqi = m.getInt("LteCqi");
+        mLteRsrpBoost = m.getInt("lteRsrpBoost");
         mTdScdmaRscp = m.getInt("TdScdma");
         isGsm = m.getBoolean("isGsm");
     }
@@ -1039,6 +1092,7 @@ public class SignalStrength implements Parcelable {
         m.putInt("LteRsrq", mLteRsrq);
         m.putInt("LteRssnr", mLteRssnr);
         m.putInt("LteCqi", mLteCqi);
+        m.putInt("lteRsrpBoost", mLteRsrpBoost);
         m.putInt("TdScdma", mTdScdmaRscp);
         m.putBoolean("isGsm", isGsm);
     }