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Slow file transfer on wireless network (Linksys WAG120N)

  • 21-07-2012 3:11pm
    #1
    AugustusMinimus
    Registered Users, Registered Users 2 Posts: 4,564 ✭✭✭


    Just wondering do I have wrong settings or something.

    I'm transferring some files between two computers on the same wireless network.

    The router is a wireless N router which gives a maximum transfer rate of 600 Megabits per second. This converts to 75 Megabytes per second. I presume that as both computers are connected to the network, the maximum transfer speed between computers would be limited to 37.5 Megabytes.

    Anyways, the files are transferring at only 1 Megabyte per second. Is there a simple explanation for this ?


Comments

  • #2
    Cuddlesworth
    Registered Users, Registered Users 2 Posts: 14,012 ✭✭✭✭Cuddlesworth


    AugustusMinimus wrote: »
    The router is a wireless N router which gives a maximum transfer rate of 600 Megabits per second. This converts to 75 Megabytes per second.

    In theory, in reality it would be closer to 60 megabits per second or about 9Megabytes per second. Although that would be closer to 6 with the usual wireless overhead. I've seen top spec Enterprise access point to access point(high end antennas and chips) manage a stable 90 megabits.
    AugustusMinimus wrote: »
    I presume that as both computers are connected to the network, the maximum transfer speed between computers would be limited to 37.5 Megabytes.

    See above. And no, I'm not kidding.
    AugustusMinimus wrote: »
    Anyways, the files are transferring at only 1 Megabyte per second. Is there a simple explanation for this ?

    If one laptop is only a G card, then your now operating at G speeds when doing the transfer. That would explain the speed.


  • #3
    PogMoThoin
    Closed Accounts Posts: 13,874 ✭✭✭✭PogMoThoin


    Wireless is terrible for file transfer, It's half duplex, it will only talk to one device at a time, in one direction at a time. Run a cable to one of the devices and your speeds will get much better


  • #4
    AugustusMinimus
    Registered Users, Registered Users 2 Posts: 4,564 ✭✭✭AugustusMinimus


    That's prob it. Older laptop is only using a Wirless G card on inspection.

    Amazing that it only has a Wireless G card considering it is less than 3 years old.


  • #5
    ED E
    Registered Users, Registered Users 2 Posts: 36,170 ✭✭✭✭ED E


    Cuddlesworth is correct.

    One addition is(presuming you're windows) whether you're pushing or pulling the files, so to speak. When windows shares drives/directories it gives them low priority(so local performance isnt hit). I've found having the machine that is *writing* performing the copy is far faster than pushing them from the reading machine.


  • #6
    Torqay
    Closed Accounts Posts: 5,835 ✭✭✭Torqay


    AugustusMinimus wrote: »
    Amazing that it only has a Wireless G card considering it is less than 3 years old.

    Not really, the final Wireless N specifications were only published in October 2009, before that only a few manufacturers sold laptops with Wireless N controllers according to a variety of rapidly changing drafts, it was by no means standard at this time.


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