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    Wireless Network Speed

    Discussion in 'Networking and Wireless' started by CooLMinE, Mar 24, 2009.

  1. CooLMinE

    CooLMinE Notebook Deity

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    I know that using wireless to transfer things through the network is not the best solution but i still find it easier :p

    Sadly ive got an issue though, transferring files at 300-500kb/s. It looks like a signal issue since when i move the laptop closer to the router it goes up to about 2-2.2MB/s (seems like it caps at that speed, been a while that i tested it with a cable to see the difference :)).

    My main question is, since the signal i get is excellent why does it transfer the files at that speed ?

    Vista / Intel(R) Wireless WiFi Link 5300 / Netgear DG834G (free router :p)

    Also theres another small issue. Anything i download for some odd reason finishes at 60%~ but the file is not corrupted :err:
     
    CooLMinE, Mar 24, 2009
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  2. jackluo923

    jackluo923 Notebook Virtuoso

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    2-2.2MB/s through wlan is above average. Since you're transferring through your wlan, the bandwidth you're using is double of your transfer throughput on 1 computer.

    So here's the calculation.
    Bandwidth in Mbit/s = (2 times bandwidth / 1 computer ) * (8 Megabit / 1 Megabyte) * (2.2MB/s) = 35.52Mb/s wlan throughtput.

    Your network is probably wireless G rated at 54Mbit/s theoretical speed. Since there's always overhead, packet loss...etc you're never going to reach the full 54Mbit/s throughput.
    My router only gets about 15-20Mb/s wlan throughput. What a waste because my internet connection can actually reach 30Mbit/s through wired lan.
     
    jackluo923, Mar 24, 2009
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  3. CooLMinE

    CooLMinE Notebook Deity

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    Ah, that makes sense but why does the speed drops to 300-500kb/s when i move the laptop a bit further from the router ? Except if the signal Vista displays is not accurate. From 2000 to 500 for 2 meters :(
     
    CooLMinE, Mar 24, 2009
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  4. jackluo923

    jackluo923 Notebook Virtuoso

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    The signal levels in vista are not in real time. The signal levels are updated once every 10 seconds or so I think.
     
    jackluo923, Mar 24, 2009
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  5. CooLMinE

    CooLMinE Notebook Deity

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    Im using a program called inSSIDer to track the RSSI (thats the signal power right ? :p). Seems to be almost the same even when i move further away from the router.
     
    CooLMinE, Mar 24, 2009
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  6. Jasp

    Jasp Notebook Evangelist

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    Jasp, Mar 24, 2009
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  7. CooLMinE

    CooLMinE Notebook Deity

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    Seems like that option is mostly for uploading/streaming.

     
    CooLMinE, Mar 24, 2009
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