This is an old revision of the document!
Phone Measurements
Power Usage
GPS
…. | GPS NoFix | GPS Fix | Avg Time to Fist Fix | Work to Get Fix | Notes |
Plugged-In | [mW] | [mW] | [sec] | [mW·sec] | Plugged in value irrelevant. |
Unplugged | 578.89 [mW], stddev: 359.21 [mW]1) | 412.51 [mW], stddev: 142.36 [mW] 2) | 72.81 [sec]3) | 42143.30 [mW·sec]4) | |
EVDO
…. | EVDO (tx) | EVDO (rx) | EVDO (rx+tx) | Notes |
Plugged-In | 437.06 [mW], stddev: 371.22 [mW]5) | 762.90 [mW], stddev: 91.50 [mW]6) | 775.67 [mW], stddev: 112.60 [mW]7) | |
Unplugged | 621.64 [mW], stddev: 61.57 [mW]8) | 976.77 [mW], stddev: 75.06 [mW]9) | 773.70 [mW], stddev: 53.58 [mW]10)11) | Correctly masked. |
Unplugged | 815.86 [mW], stddev: 89.24 [mW], stddev above baseline: NAN [mW], Count: 42712) | 1048.55 [mW], stddev: 69.89 [mW], stddev above baseline: NAN [mW], Count: 34313) | 823.82 [mW], stddev: 95.08 [mW], stddev above baseline: NAN [mW], Count: 36314) | Correctly masked. |
EVDO (tx) | EVDO (rx) | EVDO (rx+tx) |
U=128682 [KB], t=4270 [sec], avg power=815.86 [mW]
→ 27.072 [mW·sec/byte] or [millijoules/KB] | D=448512 [KB], t=3430 [sec], avg power=1048.55 [mW]
→ 8.019 [mW·sec/KB] or [millijoules/KB] | U=77447.5 [KB], D=293888 [KB], U+D=371335.5 [KB] t=3630 [sec], avg power=823.82 [mW]
→ 8.053 [mW·sec/byte] or [millijoules/KB] (for the U+D) |
| Savings by doing simultaneous upload/downloads:
77447.5 [KB] * | |
RIL
…. | RIL | RIL Turning On | Time to Turn RIL On | Work to Turn RIL On | Count |
Plugged-In | 7.70 [mW], stddev: 94.63 [mW], stddev above baseline: 7.70 [mW]15) | unknown [mW], stddev: unknown [mW]16) | unknown [sec]17) | unknown [mW·sec]18) | 921 |
Unplugged | 5.57 [mW], stddev: 96.70 [mW]19) | 1225.02 [mW], stddev: 626.59 [mW]20) | 45.87 [sec]21) | 56191.67 [mW·sec]22) | |
WiFi
…. | WiFi (tx) | WiFi (rx) | Notes |
Plugged-In | [mW] | [mW] | |
Unplugged | 45.51 [mW], stddev: 32.76 [mW]23) | 169.40 [mW], stddev: 57.65 [mW]24) | Baseline is when WiFi is on, so actual numbers should be much higher |
WiFi (tx) | WiFi (rx) |
[mW·sec/byte] | [mW·sec/byte] |
Baseline
Plugged/Un-Plugged | Model | Baseline | Count | Notes |
Unplugged | HTC Mogul | 1027.84 [mW], stddev: 80.04 [mW] | 60225) | WiFi still connected, bad baseline. WiFi/bad baseline test. |
Unplugged | HTC Mogul | 262.86 [mW], stddev: 93.91 [mW] | 86326) | RIL/Baseline test. |
Unplugged | HTC Mogul | 210.02 [mW], stddev: 225.25 [mW] | 107927) | GPS/Baseline test. |
Unplugged | HTC Touch | 228.59 [mW], stddev: 221.30 [mW] | 322?28) | Correctly masked with 30 sec break. EVDO/baseline test. |
Unplugged | HTC Mogul | 245.84 [mW], stddev: 93.39 [mW] | 902?29) | Correctly masked with 30 sec break. Baseline only test. |
Plugged-In | HTC Mogul | 362.58 mW], stddev: 106.75 [mW] | 91130) | RIL/Baseline test. Correctly masked with 30 sec break. |
Unplugged | HTC Mogul | 323.91 [mW], stddev: 241.63 [mW] | 36331) | EVDO/Baseline test. Correctly masked with 30 sec break. |
MISC
Compression | Decryption | File Read | File Write | Bluetooth | Accelerometer |
x [mW·sec/byte] | x [mW·sec/byte] | x [mW·sec/byte] | [mW·sec/byte] | [mW?] | [mW?] |
ToDo List
Date | ToDo | Status |
12-15-08 | Run experiments: New baseline experiment, Investigate RIL & WiFi | Baseline done, RIL done, WiFi not started |
09-24-08 | Program ability to control plugged-in status. | Coded, untested |
09-24-08 | Combine data elements for power graphs from different db records. | Started |
09-24-08 | Plot power graphs. | On going |
Status Updates
08-18-08