US Patent 7688854 Generalized spare extension field usage in frame protocol data frame

Patent 7688854 was granted and assigned to Nokia on March, 2010 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Nokia

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7688854

Date of Patent

March 30, 2010

Patent Application Number

10932546

Date Filed

September 1, 2004

Patent Primary Examiner

‌

Jayanti K Patel

Patent abstract

A protocol (and corresponding equipment) for use in communicating between a sending node (11) and a receiving node (12) a frame (10) including a Spare Extension (SE) section conveying values for one or more information element (IE) fields, and also including a New IE Flags IE or other device for indicating to the receiving node (12) whether the SE section includes valid data for each IE in the SE section. A flag indicating whether valid data is provided in the SE section can be used, and also an IE indicating the length of the SE section. The protocol is such that the receiving node (12) treats an IE field value occurring in the SE section as spare bits if the IE field was introduced for a version of a later release of a specification than that according to which the receiving node (12) was implemented.

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