My last list of 11g-only tests mixes the two situations by operating the streaming script around the Broadcom-primarily based WLAN and the throughput script over the Atheros-primarily based.

The ink had rarely dried around the 802.11g regular when wi-fi chip makers started to roll out non-standard throughput “improvement” technologies.

Atheros has mentioned that Broadcom is harping on a thing typical to all 802.11g solutions Which interference can even be produced by “ordinary” 802.11g WLANs running in near proximity. So I very first wanted to exam to check out if this have been legitimate.

NOTE: The next spectrum diagrams are dependant on Figure 1 and so are not carried out to precise scale. Any inaccuracies are not intentional!

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In it, I’ll display that considering just Broadcom-based 11g vs. Atheros gear doesn’t notify the entire Super-G Tale And that i’ll also discover the connection amongst Tremendous-G and enhanced variety. And, of course, I’ll have my own two cents to add to this complete mess.

The upside is that Super-G seriously does present considerably increased throughput and – unlike Nitro and Xpress – doesn’t rely upon mixed manner mixture throughput gains to deliver its gain.

As the little bit level is limited to 2Mbps, the spectrum produced isn’t quite vast, which really should limit the channel overlap, and thus the quantity of overall performance degradation.

Dynamic manner within an AP lets 802.11b, 11g, and Tremendous-G STAs all affiliate and transfer knowledge and switches in channel bonding only when bandwidth demands call for it.

The timing appeared to be 45 seconds of Super-G and fifteen seconds of 11g in the NETGEAR BETA dynamic Super-G updates that I applied. Another implementation of dynamic Tremendous-G in D-Connection Tremendous-G enabled gear employed by Broadcom in its testing confirmed the timing to get a hundred and twenty seconds of Super-G and 75 seconds of 11g. So it looks like Atheros, NETGEAR, or both are doing a little efficiency tuning.

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Broadcom says the periodic glitch is because of a superg168 scan completed by WinXP’s “Zero Configuration” utility, instead of by Broadcom’s driver.

The effects show 0.041% of knowledge was misplaced in the Broadcom-based mostly stream and none in the Atheros-dependent stream. This isn’t truly incredibly considerable, Specifically given that the largest disturbance is due the glitch a result of the Broadcom driver.