Performance vs. Distance
With all the interoperability stuff out of the way, I ran my usual four-location throughput test, the results of which are shown in the chart at the top of this section. I also did Chariot runs, which are shown in Figure 14.
Figure 14: Four condition throughput
(click on the image for a full-sized view)
I actually went back and redid a few of the Chariot runs to make sure that the results showed warmed-up throughput. The resulting plots show that throughput drops off fairly smoothly as a function of distance, but also a very respectible 12Mbps average throughput at the farthest Condition 4 location. Finally, I ran a Condition 1 test with 128bit WEP enabled, and was glad to see no throughput degradation.
802.11g Wireless Performance Test Results
| Test Conditions - WEP encryption: DISABLED | Firmware/Driver Versions AP f/w: | ||||
|---|---|---|---|---|---|
| Test Description | Signal Quality (%) | Transfer Rate (Mbps) | Response Time (msec) | UDP stream | |
| Throughput (kbps) | Lost data (%) | ||||
| Client to AP - Condition 1 | 0 | 22 [No WEP] 22.5 [w/ WEP] | 1 (avg) 1 (max) | 499 | 0 |
| Client to AP - Condition 2 | 0 | 20.4 | 1 (avg) 2 (max) | 500 | 0 |
| Client to AP - Condition 3 | 0 | 17.1 | 2 (avg) 4 (max) | 499 | 0 |
| Client to AP - Condition 4 | 0 | 12.1 | 1 (avg) 2 (max) | 497 | 0 |