[maemo-developers] [maemo-developers] poor WLAN performance

[From: news at pfump.org]

Hi,

update: sent it in a third time with a long textual description, got a
new one back after five weeks. Works perfectly! Nice.

Martin


> Hi,
>
> no, I really do like the Nokia 770, the idea of an open source device
> and everything it stands for. Have been working with OMAP processors
> for some time and watched the development of the 770 from the very
> beginning, jealously saw a friend receive a 770 from the first
> developer batch.
>
> Finally got my 770 and was happy with it. For a couple of days. The
> display broke after turning the machine on. There has been a
discussion
> about this and seems things like that simply happen. The display is
not
> an off-the-shelf part with its brilliant resolution. Sadly brought my
> device to the Nokia service station and got it back after 5 weeks.
> Happy for some hours.
>
> The WLAN range is simply ridiculous. It works in the same room with
the
> WLAN router after seeing the "W" flash several times. It barely works
> in the next room and it does not work 10m away from the router. I have
> tested with various channels, routers, locations, with and without
> encryption, also tested it in direct compare with another Nokia 770
> unit (which was fine). Laptops do work from far away. My Nokia 770
> shows my access point from one block away down the street but it does
> not connect until in the same room.
>
> Sent it in again and got it back after another 4 weeks. The Nokia
repair
> receipt says "problem solved". Maybe for Nokia, not for me. Same sad
> range, now with a unit that has scratches all over the case because it
> was poorly packed.
>
> It is hard to measure the wide spread WLAN signals. I took a hp 8563A
> spectrum analyzer and coupled the signal in with a commercial 2.4GHz
> antenna. It is not a precise measurement but you can clearly see the
> peaks popping up when transmitting. My Nokia 770 had about 10-15 dB
> less power than a "normal" 770. I am pretty sure that the last stage
HF
> amplifier of the WLAN module is broken (bluetooth works fine). Or is
> there any method to decrease the HF power permanently by software?
>
> Is there anyone who could give an advice if there is something I could
> do about the problem?
>
> I am really disappointed about the whole process. I am ok with having
> some problems using new geek stuff, but this is more than what I would
> like to handle. Frustrating.
>
> Martin Müller
>
>
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