package android.telephony;
import static android.telephony.ServiceState.DUPLEX_MODE_FDD;
import static android.telephony.ServiceState.DUPLEX_MODE_TDD;
import static android.telephony.ServiceState.DUPLEX_MODE_UNKNOWN;
import android.telephony.AccessNetworkConstants.EutranBand;
import android.telephony.ServiceState.DuplexMode;
public class AccessNetworkUtils {
private AccessNetworkUtils() {}
public static final int INVALID_BAND = -1;
@DuplexMode
public static int getDuplexModeForEutranBand(int band) {
if (band == INVALID_BAND) {
return DUPLEX_MODE_UNKNOWN;
}
if (band >= EutranBand.BAND_68) {
return DUPLEX_MODE_UNKNOWN;
} else if (band >= EutranBand.BAND_65) {
return DUPLEX_MODE_FDD;
} else if (band >= EutranBand.BAND_47) {
return DUPLEX_MODE_UNKNOWN;
} else if (band >= EutranBand.BAND_33) {
return DUPLEX_MODE_TDD;
} else if (band >= EutranBand.BAND_1) {
return DUPLEX_MODE_FDD;
}
return DUPLEX_MODE_UNKNOWN;
}
public static int getOperatingBandForEarfcn(int earfcn) {
if (earfcn > 67535) {
return INVALID_BAND;
} else if (earfcn >= 67366) {
return INVALID_BAND;
} else if (earfcn >= 66436) {
return EutranBand.BAND_66;
} else if (earfcn >= 65536) {
return EutranBand.BAND_65;
} else if (earfcn > 54339) {
return INVALID_BAND;
} else if (earfcn >= 46790 ) {
return EutranBand.BAND_46;
} else if (earfcn >= 46590) {
return EutranBand.BAND_45;
} else if (earfcn >= 45590) {
return EutranBand.BAND_44;
} else if (earfcn >= 43590) {
return EutranBand.BAND_43;
} else if (earfcn >= 41590) {
return EutranBand.BAND_42;
} else if (earfcn >= 39650) {
return EutranBand.BAND_41;
} else if (earfcn >= 38650) {
return EutranBand.BAND_40;
} else if (earfcn >= 38250) {
return EutranBand.BAND_39;
} else if (earfcn >= 37750) {
return EutranBand.BAND_38;
} else if (earfcn >= 37550) {
return EutranBand.BAND_37;
} else if (earfcn >= 36950) {
return EutranBand.BAND_36;
} else if (earfcn >= 36350) {
return EutranBand.BAND_35;
} else if (earfcn >= 36200) {
return EutranBand.BAND_34;
} else if (earfcn >= 36000) {
return EutranBand.BAND_33;
} else if (earfcn > 10359) {
return INVALID_BAND;
} else if (earfcn >= 9920) {
return INVALID_BAND;
} else if (earfcn >= 9870) {
return EutranBand.BAND_31;
} else if (earfcn >= 9770) {
return EutranBand.BAND_30;
} else if (earfcn >= 9660) {
return INVALID_BAND;
} else if (earfcn >= 9210) {
return EutranBand.BAND_28;
} else if (earfcn >= 9040) {
return EutranBand.BAND_27;
} else if (earfcn >= 8690) {
return EutranBand.BAND_26;
} else if (earfcn >= 8040) {
return EutranBand.BAND_25;
} else if (earfcn >= 7700) {
return EutranBand.BAND_24;
} else if (earfcn >= 7500) {
return EutranBand.BAND_23;
} else if (earfcn >= 6600) {
return EutranBand.BAND_22;
} else if (earfcn >= 6450) {
return EutranBand.BAND_21;
} else if (earfcn >= 6150) {
return EutranBand.BAND_20;
} else if (earfcn >= 6000) {
return EutranBand.BAND_19;
} else if (earfcn >= 5850) {
return EutranBand.BAND_18;
} else if (earfcn >= 5730) {
return EutranBand.BAND_17;
} else if (earfcn > 5379) {
return INVALID_BAND;
} else if (earfcn >= 5280) {
return EutranBand.BAND_14;
} else if (earfcn >= 5180) {
return EutranBand.BAND_13;
} else if (earfcn >= 5010) {
return EutranBand.BAND_12;
} else if (earfcn >= 4750) {
return EutranBand.BAND_11;
} else if (earfcn >= 4150) {
return EutranBand.BAND_10;
} else if (earfcn >= 3800) {
return EutranBand.BAND_9;
} else if (earfcn >= 3450) {
return EutranBand.BAND_8;
} else if (earfcn >= 2750) {
return EutranBand.BAND_7;
} else if (earfcn >= 2650) {
return EutranBand.BAND_6;
} else if (earfcn >= 2400) {
return EutranBand.BAND_5;
} else if (earfcn >= 1950) {
return EutranBand.BAND_4;
} else if (earfcn >= 1200) {
return EutranBand.BAND_3;
} else if (earfcn >= 600) {
return EutranBand.BAND_2;
} else if (earfcn >= 0) {
return EutranBand.BAND_1;
}
return INVALID_BAND;
}
}