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.
Anyway I don't think it can make things worse
good luck
jez
On Tue, May 27, 2008 at 8:02 PM, Moose <olymoose@xxxxxxxxx> wrote:
> Jez Cunningham wrote:
>> Go for adaptors using MIMO technology
>>
> I don't think getting a MIMO receiver necessarily makes any difference
> without a MIMO transmitter using the same protocol. The proposed 802.11n
> standard supports MIMO in principle, but I don't think it specifies
> details. The WiMax standard, 802.16x does specify a MIMO standard.
>
> As the original question related to a receiver to be used while
> traveling, where virtually all open or hotel/motel networks encountered
> will be 802.11b or g, I'm not sure I see how MIMO will help.
>
> I have a MIMO USB antenna/adapter that implements XtremeMIMO, a single
> manufacturer implementation that predates any MIMO standards. With a
> matching wireless router, it's supposed to use MIMO to improve
> connectivity and throughput. With a standard b/g router, it falls back
> to that standard, although it claims it "... out performs other standard
> IEEE 802.11b/g Wi-Fi devices in any situation.".
>
> I bought it not for the MIMO, but for the above claim, a freestanding
> design that may be moved for best reception, good user reviews and an
> attractive price. I haven't compared it to the built-in WiFi on my VAIO
> notebook.
>
> Moose
>
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