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am 45364dc4: Merge "Telephony: Signal Strength Changes." into honeycomb-LTE

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* commit '45364dc4bfe3e6118ad61f1d38489fe63418699a':
  Telephony: Signal Strength Changes.
This commit is contained in:
Wink Saville
2011-05-09 17:02:07 -07:00
committed by Android Git Automerger
parent b98b56c21f 45364dc4bf
commit ba54feb094
1 changed files with 21 additions and 13 deletions
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34
telephony/java/android/telephony/SignalStrength.java
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@@ -556,10 +556,7 @@ public class SignalStrength implements Parcelable {
* @hide * @hide
*/ */
public int getLteDbm() { public int getLteDbm() {
log("TODO: teach getLteDbm to compute dBm properly"); return mLteRsrp;
int level = -1;
if (DBG) log("getLteDbm=" + level);
return level;
} }
/** /**
@@ -568,22 +565,33 @@ public class SignalStrength implements Parcelable {
* @hide * @hide
*/ */
public int getLteLevel() { public int getLteLevel() {
log("TODO: teach getLteLevel to compute Level properly"); int levelLteRsrp = 0;
int level = SIGNAL_STRENGTH_MODERATE;
if (DBG) log("getLteLevel=" + level); if (mLteRsrp == -1) levelLteRsrp = 0;
return level; else if (mLteRsrp >= -85) levelLteRsrp = SIGNAL_STRENGTH_GREAT;
else if (mLteRsrp >= -95) levelLteRsrp = SIGNAL_STRENGTH_GOOD;
else if (mLteRsrp >= -105) levelLteRsrp = SIGNAL_STRENGTH_MODERATE;
else if (mLteRsrp >= -115) levelLteRsrp = SIGNAL_STRENGTH_POOR;
else levelLteRsrp = 0;
if (DBG) log("Lte level: "+levelLteRsrp);
return levelLteRsrp;
} }
/** /**
* Get the LTE signal level as an asu value between 0..31, 99 is unknown * Get the LTE signal level as an asu value between 0..97, 99 is unknown
* Asu is calculated based on 3GPP RSRP. Refer to 3GPP 27.007 (Ver 10.3.0) Sec 8.69
* *
* @hide * @hide
*/ */
public int getLteAsuLevel() { public int getLteAsuLevel() {
log("TODO: teach getLteAsuLevel to compute asu Level properly"); int lteAsuLevel = 99;
int level = 4; int lteDbm = getLteDbm();
if (DBG) log("getLteAsuLevel=" + level); if (lteDbm <= -140) lteAsuLevel = 0;
return level; else if (lteDbm >= -43) lteAsuLevel = 97;
else lteAsuLevel = lteDbm + 140;
if (DBG) log("Lte Asu level: "+lteAsuLevel);
return lteAsuLevel;
} }
/** /**