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Commit 1b7bec51 authored by Sooraj Sasindran's avatar Sooraj Sasindran
Browse files

Support Signal strength offset 

Support feature to offset LTE rsrp
for higher freaquency lte bands.

Test: Verified on device that signal bars increased
Bug=30628343
Merged-In: Id0b54901a1e8832fb48ba509e6a380c43f4c9497
Change-Id: Id0b54901a1e8832fb48ba509e6a380c43f4c9497
parent 5fff20ca

telephony/java/android/telephony/CarrierConfigManager.java

+18 −0
Original line number Diff line number Diff line
@@ -1374,6 +1374,22 @@ public class CarrierConfigManager { 
    public static final String KEY_DATA_LIMIT_THRESHOLD_BYTES_LONG =

            "data_limit_threshold_bytes_long";



    /**

     * 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;
@@ -1607,6 +1623,8 @@ public class CarrierConfigManager { 
        sDefaults.putBoolean(KEY_EDITABLE_TETHER_APN_BOOL, false);

        sDefaults.putStringArray(KEY_CALL_FORWARDING_BLOCKS_WHILE_ROAMING_STRING_ARRAY,

                null);

        sDefaults.putInt(KEY_LTE_EARFCNS_RSRP_BOOST_INT, 0);

        sDefaults.putStringArray(KEY_BOOSTED_LTE_EARFCNS_STRING_ARRAY, null);

    }



    /**

telephony/java/android/telephony/ServiceState.java

+22 −1
Original line number Diff line number Diff line
@@ -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

+67 −13
Original line number Diff line number Diff line
@@ -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;

            else if (mLteRsrp >= threshRsrp[4]) rsrpIconLevel = SIGNAL_STRENGTH_GREAT;

            else if (mLteRsrp >= threshRsrp[3]) rsrpIconLevel = SIGNAL_STRENGTH_GOOD;

            else if (mLteRsrp >= threshRsrp[2]) rsrpIconLevel = SIGNAL_STRENGTH_MODERATE;

            else if (mLteRsrp >= threshRsrp[1]) rsrpIconLevel = SIGNAL_STRENGTH_POOR;

            else if (mLteRsrp >= threshRsrp[0]) rsrpIconLevel = SIGNAL_STRENGTH_NONE_OR_UNKNOWN;

            if (mLteRsrp > threshRsrp[5]) {

                rsrpIconLevel = -1;

            } else if (mLteRsrp >= (threshRsrp[4] - mLteRsrpBoost)) {

                rsrpIconLevel = SIGNAL_STRENGTH_GREAT;

            } else if (mLteRsrp >= (threshRsrp[3] - mLteRsrpBoost)) {

                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);

    }