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US 7,889,737 B2Granted
Locally administered MAC address based method for selectively and efficiently identifying enhanced version nodes of standards
AssigneeTexas Instruments Incorporated
InventorsShantanu Kangude, Harshal S Chhaya
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Abstract
Embodiments of the invention provide a method for selectively identifying nodes implemented enhanced version of a standard by creating a random locally administered MAC address and advertising said random locally administered MAC address as the address that implies a particular amendment of a standard.
Claims8
A method for selectively identifying nodes implementing enhanced version of a standard, said method comprising:
- creating a random locally administered Medium Access Control (MAC) address;
- advertising said random locally administered MAC address as the address that implies a particular amendment of the standard;
- propagating said random locally administered MAC address across a network using a plurality of beacons, in an Information Element;
- reserving said random locally administered MAC address to mean those nodes which are implementing said particular amendment;
- sending, through a transceiver, a packet addressed to at least one of the reserved addresses to indicate that the packet has special significance related to said particular amendment, wherein said address is built on top of a first address set in the network the last three bytes of said address is set to imply all nodes implementing said particular amendment are set comprising:
- a first “F” bits are reserved to increase the number of amendments that are covered in a 24 bits space;
- and
- a last “L” bits identify said amendment to a technology, this is done via a bit mapping so that “L” amendments are identified.
5 more elements
A method for selectively silencing nodes of standards, said method comprising:
- creating at least one random locally administered Medium Access Control (MAC) address;
- advertising said random locally administered MAC address as the address that implies a particular amendment of a standard;
- propagating said random locally administered MAC address across a network using a plurality of beacons in an Information Element (IE);
- selectively exclude silencing of nodes of said particular amendment by sending a control frame to the MAC address chosen for said particular amendment;
- and
- where if a receiving node is implementing said particular amendment, it does not update its Network Allocation Vector (NAV) according to a duration field in said control frame.
3 more elements
Dependencies are inferred from the claim text.