Re: [manet] Is it difficult to receive simultaneously over multiplechannels?

[joerg.habetha at philips.com]

> Joerg,
> 
> In your opinion, where lies the bottleneck in channel-switching speed?
> 
> Are you working with the Philips SA2400, by chance?
> 
> Dave

David,

I am with research not with our design team, also more on the protocol than the RF side.
The bottleneck is definitely the RF-side (on baseband-side you could do the switching very fast). In my understanding the problem is the VCO (synchronization to the new frequency, etc.).

Regards,
Joerg

David Young <dyoung at pobox.com> Sent by: manet-bounces at ietf.org 07.10.2004 01:39

To:        Joerg Habetha/ACN/RESEARCH/PHILIPS at PHILIPS         cc:        manet at ietf.org         Subject:        Re: [manet] Is it difficult to receive simultaneously over         multiplechannels?         Classification:

On Wed, Oct 06, 2004 at 11:26:02AM +0200, joerg.habetha at philips.com wrote:
> Hi,
> 
> if you do not double your oscillator or even the complete tranceiver you 
> can assume a channel switching time of about 1ms.
> We have developed forwarding schemes that are based on frequency 
> switching. You use one frequency on the incoming hop and a different one 
> on the outgoing hop. The forwarder switches in-between the channels. Some 
> overhead is unavoidable due to the switching times.
> 


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