http://www.pcmag.com/encyclopedia_term/0,2542,t=MIMO&i=47052,00.asp
ARCHITECTURE AND ADVANTAGES OF MULTIPLE ANTENNA TECHNOLOGIES
Compared to
Single Antenna
Technologies
Transmit Receive Data
Type Antennas Antennas Rate Distance
MIMO Multiple Multiple Greater Greater range
MISO Multiple Single Same Same range but
More Reliable
SIMO Single Multiple Same Greater range
On Tue, May 27, 2008 at 10:08 PM, Moose <olymoose@xxxxxxxxx> wrote:
> Jez Cunningham wrote:
>> I haven't studied it but I understand that a MIMO device uses multiple
antennas that are combined to steer the directionality towards the
transmitter. I recall claims that they can improve the range.
>> I have a draft-N router with MIMO and a regular laptop without and it
certainly communicates better (faster) then my old B-router. But that could
be N. Or the router.
>>
> Not saying that other factors couldn't be at work... But simply
> switching from a B router to a G or N router with a G laptop increases
> speed from 11 to 54 mbps, almost 5x the speed. On the other hand,
> switching from a G to N router with a G laptop won't increase the speed.
> Add a USB N adapter to the laptop to see WiFi speed up some more.
>
> That's all assuming a decent signal/connection. Better antenna
> performance wouldn't change the basic speed, but could increase the
> distance at which it could be reached.
>> Anyway I don't think it can make things worse good luck.
>>
> No, it just probably isn't worth any price premium for the specific
> question originally at hand.
>
> Moose
>
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