On 2012-12-23 6:15 AM, Ben West wrote: > Likewise, I'm a bit curious about the 170Mbit/s throughput reported by > iperf. A reported 300Mbit/s link speed is TX+RX aggregate, i.e. > 150Mbit/s each for the TX and RX chains combined, and the actual > throughput would be diminished both by imperfect wireless signal and > protocol overhead(s). If I'm understanding things correctly ... > > 80Mbit/s sustained throughput is actually much closer to what I'd expect > almost any firmware to achieve on a 5.8GHz MIMO point-to-point link. > > Can you reproduce the 170Mbit/s with tools besides iperf? For example, > if the radios are connected to a GigE wired LAN on each end, can you > push 100Mbit/s+ in HTTP traffic over the link? On a 5 GHz HT40 2x2 link, I've also had about 170 Mbit/s throughput and sometimes even a bit more. This wasn't just iperf, but also scp transfers or SMB connections. ~80 Mbit/s is what I typically get with 1x1 HT40 or with 2x2 HT20.
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