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Merge "Make cN0Db and basebandCn0Db ranges consistent with HAL"

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This commit is contained in:
TreeHugger Robot
2020-01-22 18:04:30 +00:00
committed by Android (Google) Code Review
parent 2df0378de5 cb162534b6
commit 1992ebada9
2 changed files with 8 additions and 5 deletions
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4
api/current.txt
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@@ -23400,12 +23400,12 @@ package android.location {
method public int getAccumulatedDeltaRangeState();
method public double getAccumulatedDeltaRangeUncertaintyMeters();
method public double getAutomaticGainControlLevelDb();
method @FloatRange(from=0, to=50) public double getBasebandCn0DbHz();
method @FloatRange(from=0, to=63) public double getBasebandCn0DbHz();
method @Deprecated public long getCarrierCycles();
method public float getCarrierFrequencyHz();
method @Deprecated public double getCarrierPhase();
method @Deprecated public double getCarrierPhaseUncertainty();
method public double getCn0DbHz();
method @FloatRange(from=0, to=63) public double getCn0DbHz();
method @NonNull public String getCodeType();
method public int getConstellationType();
method public int getMultipathIndicator();

9
location/java/android/location/GnssMeasurement.java
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@@ -778,10 +778,12 @@ public final class GnssMeasurement implements Parcelable {
/**
* Gets the Carrier-to-noise density in dB-Hz.
*
* <p>Typical range: 10-50 db-Hz.
* <p>Typical range: 10-50 dB-Hz. The range of possible C/N0 values is 0-63 dB-Hz to handle
* some edge cases.
*
* <p>The value contains the measured C/N0 for the signal at the antenna input.
*/
@FloatRange(from = 0, to = 63)
public double getCn0DbHz() {
return mCn0DbHz;
}
@@ -805,13 +807,14 @@ public final class GnssMeasurement implements Parcelable {
/**
* Gets the baseband carrier-to-noise density in dB-Hz.
*
* <p>Typical range: 0-50 dB-Hz.
* <p>Typical range: 10-50 dB-Hz. The range of possible baseband C/N0 values is 0-63 dB-Hz to
* handle some edge cases.
*
* <p>The value contains the measured C/N0 for the signal at the baseband. This is typically
* a few dB weaker than the value estimated for C/N0 at the antenna port, which is reported
* in {@link #getCn0DbHz()}.
*/
@FloatRange(from = 0, to = 50)
@FloatRange(from = 0, to = 63)
public double getBasebandCn0DbHz() {
return mBasebandCn0DbHz;
}