Neo1973 vs Future OpenMoko Devices - whats a buyer to do?

openmoko at mauve.plus.com openmoko at mauve.plus.com
Mon May 28 22:46:42 CEST 2007


> On 5/25/07, Jim Thompson <jim at netgate.com> wrote:
>>
>> Simultaneous BT + WiFi doesn't, except where you're either
>>
>> a) willing to put up with the interferce
>>
>> b) running a device where the manufacturer had a clue, and has wired the
>> BT & WiFi chipsets to have either not transmit when the other is
>> receiving a packet.  (As an optimization, you only have to do this when
>> the WiFi device is running in the 2.4GHz band.)
>
> Or C, have the BT device choose an appropriate adaptive frequency
> hopping map which is outside the frequencies of the wifi channel the
> device is on.  I think this is the most plausible and easiest to
> implement simply in the BT driver; it scans for interference (from
> wifi) and goes around it.

Assuming that this is possible, given that the signal from a transmitting
wifi   device may be closing on a million times that of a relatively
distant bluetooth node.





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