On Sun, 2007-11-18 at 15:02 -0800, Jouni Malinen wrote: > On Tue, Nov 13, 2007 at 12:26:57PM +0100, Johannes Berg wrote: > > > The N800 and similar devices only wake up at DTIM beacons, right? So > > another idea would be to burst beacons but make sure the DTIM beacon > > time doesn't fluctuate away from the DTIM TBTT. This would be possible > > by changing the order of the beacons and adjusting the DTIM count so > > that the beacon with DTIM count zero is always the first. > > This could be an improvement for small number of BSSes, but if the DTIM > period starts going up, the delay in sending out multicast/broadcast > frames may not be acceptable anymore depending on application. Well even if you have a larger number of BSSes you can spread the DTIm 0 beacons across the periods so that you have a few but not all DTIM 0 beacons at one time. And that's still an improvement over currently used schemes. johannes
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