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Diffstat (limited to 'telephony/java/android/telephony/CellSignalStrengthWcdma.java')
-rw-r--r--telephony/java/android/telephony/CellSignalStrengthWcdma.java7
1 files changed, 5 insertions, 2 deletions
diff --git a/telephony/java/android/telephony/CellSignalStrengthWcdma.java b/telephony/java/android/telephony/CellSignalStrengthWcdma.java
index cdf01dab0059..4dc54f0fef58 100644
--- a/telephony/java/android/telephony/CellSignalStrengthWcdma.java
+++ b/telephony/java/android/telephony/CellSignalStrengthWcdma.java
@@ -245,9 +245,12 @@ public final class CellSignalStrengthWcdma extends CellSignalStrength implements
}
/**
- * Get the Ec/No as dB
+ * Get the Ec/No (Energy per chip over the noise spectral density) as dB.
*
- * @hide
+ * Reference: TS 25.133 Section 9.1.2.3
+ *
+ * @return the Ec/No of the measured cell in the range [-24, 1] or
+ * {@link android.telephony.CellInfo#UNAVAILABLE UNAVAILABLE} if unavailable
*/
public int getEcNo() {
return mEcNo;