Merge "Cherry-pick "Add band mapping for GERAN and UTRAN" from internal." (6e554462) · Commits · e / os / android_frameworks_base

telephony/java/android/telephony/AccessNetworkUtils.java

+128 −1

Original line number	Diff line number	Diff line
		@@ -5,8 +5,11 @@ import static android.telephony.ServiceState.DUPLEX_MODE_TDD;
		import static android.telephony.ServiceState.DUPLEX_MODE_UNKNOWN;

		import android.telephony.AccessNetworkConstants.EutranBand;
		import android.telephony.AccessNetworkConstants.GeranBand;
		import android.telephony.AccessNetworkConstants.UtranBand;
		import android.telephony.ServiceState.DuplexMode;

		import java.util.Arrays;

		/**
		* Utilities to map between radio constants.
		@@ -20,6 +23,9 @@ public class AccessNetworkUtils {

		public static final int INVALID_BAND = -1;

		/** ISO country code of Japan. */
		private static final String JAPAN_ISO_COUNTRY_CODE = "jp";

		/**
		* Gets the duplex mode for the given EUTRAN operating band.
		*
		@@ -50,7 +56,7 @@ public class AccessNetworkUtils {
		/**
		* Gets the EUTRAN Operating band for a given downlink EARFCN.
		*
		* <p>See 3GPP 36.101 sec 5.7.3-1 for calculation.
		* <p>See 3GPP TS 36.101 clause 5.7.3-1 for calculation.
		*
		* @param earfcn The downlink EARFCN
		* @return Operating band number, or {@link #INVALID_BAND} if no corresponding band exists
		@@ -198,4 +204,125 @@ public class AccessNetworkUtils {

		return INVALID_BAND;
		}

		/**
		* Gets the GERAN Operating band for a given ARFCN.
		*
		* <p>See 3GPP TS 45.005 clause 2 for calculation.
		*
		* @param arfcn The ARFCN
		* @return Operating band number, or {@link #INVALID_BAND} if no corresponding band exists
		*/
		public static int getOperatingBandForArfcn(int arfcn) {
		if (arfcn >= 0 && arfcn <= 124) {
		return GeranBand.BAND_E900;
		} else if (arfcn >= 128 && arfcn <= 251) {
		return GeranBand.BAND_850;
		} else if (arfcn >= 259 && arfcn <= 293) {
		return GeranBand.BAND_450;
		} else if (arfcn >= 306 && arfcn <= 340) {
		return GeranBand.BAND_480;
		} else if (arfcn >= 438 && arfcn <= 511) {
		return GeranBand.BAND_750;
		} else if (arfcn >= 512 && arfcn <= 885) {
		// ARFCN between 512 and 810 are also part of BAND_PCS1900.
		// Returning BAND_DCS1800 in both cases.
		return GeranBand.BAND_DCS1800;
		} else if (arfcn >= 940 && arfcn <= 974) {
		return GeranBand.BAND_ER900;
		} else if (arfcn >= 975 && arfcn <= 1023) {
		return GeranBand.BAND_E900;
		}
		return INVALID_BAND;
		}

		/**
		* Gets the UTRAN Operating band for a given downlink UARFCN.
		*
		* <p>See 3GPP TS 25.101 clause 5.4.4 for calculation.
		*
		* @param uarfcn The downlink UARFCN
		* @return Operating band number, or {@link #INVALID_BAND} if no corresponding band exists
		*/
		public static int getOperatingBandForUarfcn(int uarfcn) {
		// List of additional bands defined in TS 25.101.
		int[] addlBand2 = {412, 437, 462, 487, 512, 537, 562, 587, 612, 637, 662, 687};
		int[] addlBand4 = {1887, 1912, 1937, 1962, 1987, 2012, 2037, 2062, 2087};
		int[] addlBand5 = {1007, 1012, 1032, 1037, 1062, 1087};
		int[] addlBand6 = {1037, 1062};
		int[] addlBand7 =
		{2587, 2612, 2637, 2662, 2687, 2712, 2737, 2762, 2787, 2812, 2837, 2862,
		2887, 2912};
		int[] addlBand10 =
		{3412, 3437, 3462, 3487, 3512, 3537, 3562, 3587, 3612, 3637, 3662, 3687};
		int[] addlBand12 = {3932, 3957, 3962, 3987, 3992};
		int[] addlBand13 = {4067, 4092};
		int[] addlBand14 = {4167, 4192};
		int[] addlBand19 = {787, 812, 837};
		int[] addlBand25 =
		{6292, 6317, 6342, 6367, 6392, 6417, 6442, 6467, 6492, 6517, 6542, 6567, 6592};
		int[] addlBand26 = {5937, 5962, 5987, 5992, 6012, 6017, 6037, 6042, 6062, 6067, 6087};

		if (uarfcn >= 10562 && uarfcn <= 10838) {
		return UtranBand.BAND_1;
		} else if ((uarfcn >= 9662 && uarfcn <= 9938)
		\|\| Arrays.binarySearch(addlBand2, uarfcn) >= 0) {
		return UtranBand.BAND_2;
		} else if (uarfcn >= 1162 && uarfcn <= 1513) {
		return UtranBand.BAND_3;
		} else if ((uarfcn >= 1537 && uarfcn <= 1738)
		\|\| Arrays.binarySearch(addlBand4, uarfcn) >= 0) {
		return UtranBand.BAND_4;
		} else if (uarfcn >= 4387 && uarfcn <= 4413) {
		// Band 6 is a subset of band 5. Only Japan uses band 6 and Japan does not have band 5.
		String country = TelephonyManager.getDefault().getNetworkCountryIso();
		if (JAPAN_ISO_COUNTRY_CODE.compareToIgnoreCase(country) == 0) {
		return UtranBand.BAND_6;
		} else {
		return UtranBand.BAND_5;
		}
		} else if ((uarfcn >= 4357 && uarfcn <= 4458)
		\|\| Arrays.binarySearch(addlBand5, uarfcn) >= 0) {
		return UtranBand.BAND_5;
		} else if (Arrays.binarySearch(addlBand6, uarfcn) >= 0) {
		return UtranBand.BAND_6;
		} else if ((uarfcn >= 2237 && uarfcn <= 2563)
		\|\| Arrays.binarySearch(addlBand7, uarfcn) >= 0) {
		return UtranBand.BAND_7;
		} else if (uarfcn >= 2937 && uarfcn <= 3088) {
		return UtranBand.BAND_8;
		} else if (uarfcn >= 9237 && uarfcn <= 9387) {
		return UtranBand.BAND_9;
		} else if ((uarfcn >= 3112 && uarfcn <= 3388)
		\|\| Arrays.binarySearch(addlBand10, uarfcn) >= 0) {
		return UtranBand.BAND_10;
		} else if (uarfcn >= 3712 && uarfcn <= 3787) {
		return UtranBand.BAND_11;
		} else if ((uarfcn >= 3842 && uarfcn <= 3903)
		\|\| Arrays.binarySearch(addlBand12, uarfcn) >= 0) {
		return UtranBand.BAND_12;
		} else if ((uarfcn >= 4017 && uarfcn <= 4043)
		\|\| Arrays.binarySearch(addlBand13, uarfcn) >= 0) {
		return UtranBand.BAND_13;
		} else if ((uarfcn >= 4117 && uarfcn <= 4143)
		\|\| Arrays.binarySearch(addlBand14, uarfcn) >= 0) {
		return UtranBand.BAND_14;
		} else if ((uarfcn >= 712 && uarfcn <= 763)
		\|\| Arrays.binarySearch(addlBand19, uarfcn) >= 0) {
		return UtranBand.BAND_19;
		} else if (uarfcn >= 4512 && uarfcn <= 4638) {
		return UtranBand.BAND_20;
		} else if (uarfcn >= 862 && uarfcn <= 912) {
		return UtranBand.BAND_21;
		} else if (uarfcn >= 4662 && uarfcn <= 5038) {
		return UtranBand.BAND_22;
		} else if ((uarfcn >= 5112 && uarfcn <= 5413)
		\|\| Arrays.binarySearch(addlBand25, uarfcn) >= 0) {
		return UtranBand.BAND_25;
		} else if ((uarfcn >= 5762 && uarfcn <= 5913)
		\|\| Arrays.binarySearch(addlBand26, uarfcn) >= 0) {
		return UtranBand.BAND_26;
		}
		return INVALID_BAND;
		}
		}