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Maximum achievable throughput for TiWi Linux WLAN

GrantHatamosa
Expert 1930 points
Other Parts Discussed in Thread: OMAP-L138, OMAPL138

Hi,

We are trying to determine what is the achievable maximum throughput of the TiWi module that is interfaced with the OMAP-L138. Our field testing has demonstrated that we are able to achieve 208KB/s transfer speed using "scp". Now this is very low throughput compared to a DD-WRT (WRT54GL) WLAN test device which can achieve a transfer speed of 2.4MB/s We are hoping that we are able to achieve a comparable rate as to the DD-WRT device we have used for testing.

For this reason, we would like to ask the following to the TiWi Linux WLAN CU development team:

1. Is there an optimal configuration for the WLAN CU that will allow a better throughput that what we are able to achieve?

2. What methods or techniques can we utilize to increase our data throughput?

I appreciate if the team can get back to us quickly.

Cheers,

Grant

  • 0
    TI__Genius 9240 points

    Hi Grant,

     

    We are using iPerf application to verify the throughput, and we are getting more then 10Mbps with OMAPL138  platform.  We don’t have experience with scp (Linux command line tool to copy files over ssh) but since we do get higher results with iPerf so I suspect that it is related to other cause then the WLAN driver itself.

    Also WiFi Sniffer log will help to verify if there is no enviroment issue.

     

    Can you run top command? I would like to see the CPU Utilization while you activating the SCP.

     

    Thanks,

    Eyal