A nearby Tremendous-G WLAN running a 2Mbps online video stream will most likely not lead to significant interference to an 11g WLAN that’s also streaming a video.
You probably would never ever notice interference between two 11g WLANs managing video clip streams at any distance.
Atheros has explained that Broadcom is harping on one thing prevalent to all 802.11g products and solutions Which interference will likely be generated by “regular” 802.11g WLANs functioning in near proximity. So I initial needed to check to check out if this were accurate.
Due to the fact among the list of two WLANs had to maneuver to test at different distances, and since I have only two notebooks, I employed them equally within the Tremendous-G half of my take a look at rig for making points easy to move close to.
Due to the fact Broadcom utilised a 2Mbps MPEG stream as section in their Comdex demonstration, I also preferred to incorporate streaming as Section of my tests. But I preferred a measure much more quantitative than seeking to describe the diploma of jerkiness in a very streaming online video from the Matrix.
By the way, the fall in Super-G throughput round the 55 2nd mark isn't as a result of interaction concerning the Tremendous-G and 11g WLANs, but as a substitute to Section of dynamic Tremendous-G’s algorithms.
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Because this test makes use of each of the bandwidth that each WLAN has to present, the spectrum produced by Just about every WLAN is going to be optimum width, causing a worst-case channel overlap and worst-scenario interference situation.
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I’ll then present the outcome of checks that I’ve operate in my residence Workplace surroundings pitting not only Tremendous-G versus “typical” 11g wireless LANs, but additionally “typical” 11g WLANs towards each other.
The timing seemed to be forty five seconds of Tremendous-G and fifteen seconds of 11g from the NETGEAR BETA dynamic Super-G updates that I utilised. A unique implementation of dynamic Super-G superg168 in D-Website link Super-G enabled equipment utilized by Broadcom in its tests showed the timing to get one hundred twenty seconds of Tremendous-G and 75 seconds of 11g. So it looks like Atheros, NETGEAR, or both of those are doing some functionality tuning.
Atheros’ Channel Bonding technologies isn’t new, as it’s been used for a number of years now in Atheros’ 802.11a “Turbo” attribute. NETGEAR’s 108Mbps Engineering overview paper points out that Channel Bonding works through the use of two radio channels in a way that they appear as only one, bigger-pace channel to each the transmitter and receiver.
The total implementation of Super-G has both of those static and dynamic modes. One of the differences are that static mode gadgets will only discuss with other Super-G equipment and channel bonding is often kicked in.
But before you decide to go off questioning why Atheros would make “an 802.11g jammer” – to quotation one Broadcom internet marketing exec, rather than a completely new normal in wireless LAN efficiency, carry on on to Element two of this Will need To Know.