IEEE P802.11 Wireless LANs Initial Sponsor ballot - some proposed resolutions for comments assigned to the author (Peter Ecclesine) Date: 2015-07-12 Author(s): Name Affiliation Address Phone email Peter Ecclesine Cisco Systems 170 West Tasman Dr., MS San Jose, CA 95134 +1-408-527-0815 pecclesi@cisco.com Comments owned by MAC CID Page Clause Resn Status Comment Proposed Change Ad-hoc 5969 In some DFS bands it is important to close the channel as quickly as possible, and one means is to indicate well ahead of time the future preferred channel, so STAs know which channel the Master intends to migrate the BSS. The Channel Switch Mode field should also have a value to indicate a For Channel Switch, Extended Channel Switch and Mesh Channel Switch, define a Channel Switch Mode or Reason Code to indicate this is not an active channel switch, but indicated the future preferred channel to be scanned if STAs leave this channel. MAC
future preferred channel switch target channel so if the AP or DFS owner ceases transmission on this channel, the other STAs know where to scan next for the beaconing STA. Define a specific value of Channel Switch Count that is used when the element indicates the future preferred channel. CID Page Clause Resn Status Comment Proposed Change Ad-hoc 5970 In some DFS bands it is important to close the channel as quickly as possible, and one means is to indicate well ahead of time the future preferred channel, so STAs know which channel the Master intends to migrate the BSS. The Channel Switch Mode field should also have a value to indicate a future preferred channel switch target For Channel Switch, Extended Channel Switch and Mesh Channel Switch, define a Channel Switch Mode or Reason Code to indicate this is not an active channel switch, but indicated the future preferred channel to be scanned if STAs leave this channel. Define a specific value of Channel MAC
and one means is to indicate well ahead of time the future preferred channel, so STAs know which channel the Master intends to migrate the BSS. The Channel Switch Mode field should also have a value to indicate a future preferred channel switch target channel so if the AP or DFS owner ceases transmission on this channel, the other STAs know where to scan next for the beaconing STA. Switch, define a Channel Switch Mode or Reason Code to indicate this is not an active channel switch, but indicated the future preferred channel to be scanned if STAs leave this channel. Define a specific value of Channel Switch Count that is used when the element indicates the future preferred channel. Discussion CID 5972 on Mesh Channel Switch Parameters element apply to text defining values for channel switch mode. In 10.9.8.4.2 Initiating MBSS channel switch the Channel Switch Mode field is reserved, consequently new text for giving DFS guidance is required. Proposed Resolution Revised. Make changes under CID 5972 in <this-document>. At 730.56 insert “or 2” as shown: “An AP or IBSS STA sets the Channel Switch Mode to either 0 or 1 or 2 on transmission.” At 1647.01, change text as shown: “The Channel Switch Mode field is reserved. A mesh STA may peer mesh STAs that the channel switch target is in the future by setting the Channel Switch Mode field in the Channel Switch Announcement element to 2.” At 1648.51, change as “frame. If the Channel Switch Mode value is not 2, tThe fields”
At 1648.54, change as shown: “minus 1. If the Channel Switch Mode value is 2, the fields in the Mesh Channel Switch Parameters element shall be set to the values identical to those in the received Mesh Channel Switch Parameters element.” Comments owned by GEN CID Page Clause Resn Status Comment Proposed Change Ad-hoc 5971 It is hard to manage a mixed BSS where some STAs only understand a regional Operating Class table, and others understand the Global Operating Class Table. It is difficult to signal measurement requests and responses for operating classes in more than one table. Add an explicit requirement that capable STAs support Table E-4 Global Operating Classes going forward, and that use of non-Global Operating Classes may be deprecated in future revisions of the standard. Add an explicit requirement that capable STAs support Table E-4 Global Operating Classes going forward, and that use of Operating Classes may be deprecated in future revisions of the standard. GEN Discussion domain domain