If your 130Mbps link is degrading to 65Mbps or so due to link distance or your channel is shared with anything else (other Wifi systems, Bluetooth), your speed numbers are, unfortunately, about right for a bottom-of-the-line 802.11n access point with no compatibility options disabled. Tweaks like disabling 802.11b support can help a bit. The AP sends a preamble and then sends the acknowledgement to the source machine.Īll four of these operations are competing for the same bandwidth. The destination obtains access to the channel, sends a preamble, and then sends the acknowledgement to the access point. ![]() The AP sends a preamble and then sends the data to its destination. The source machine obtains access to the channel, sends a preamble, and then sends the data to the access point. Right now, to send a packet results in roughly the following: This not only immediately doubles the available bandwidth but it also reduces the number of changes in a stream's transmit direction. Better access points can handle multiple simultaneous streams. You're taking huge bandwidth penalties because the link from the source machine to the access point is sharing bandwidth with the link from the destination machine to the access point.
0 Comments
Leave a Reply. |
Details
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |