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Missing Referenced Information Elements

IP.com Disclosure Number: IPCOM000126660D
Publication Date: 2005-Aug-10
Document File: 1 page(s) / 27K

Publishing Venue

The IP.com Prior Art Database

Abstract

This invention relates to UMTS protocol stacks and 3G mobile devices in general, and to software that may reside in a 3G mobile phone. An equivalent problem may also exist in other protocols. This invention addresses several IEs (Information Elements) in the UMTS protocol. There is a potential problem when a referenced IE is missing. The general problem has several possible solutions, such as: the sender can ensure that they problem does not occur (ensuring that any referenced IEs are sent or have been previously sent and are known to have been received and not deleted or overwritten), the receiver could reject a message that contains a missing IE, the receiver would use a default value for the missing referenced IE, the receiver would ignore the referencing IE, and the receiver would take some other action specific to the particular message and state of the receiver. The method includes the steps of receiving a message, determining that the message contains a referencing IE, determining that the referenced IE is missing, and selecting an action according to the IE that is missing according to either the generic list of behaviors, or behaviors specified for particular cases.

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Missing Referenced Information Elements

Disclosed Anonymously

            This invention relates to UMTS protocol stacks and 3G mobile devices in general, and to software that may reside in a 3G mobile phone.  An equivalent problem may also exist in other protocols.  This invention addresses several IEs (Information Elements) in the UMTS protocol.  There is a potential problem when a referenced IE is missing. 

The general problem has several possible solutions, such as: the sender can ensure that they problem does not occur (ensuring that any referenced IEs are sent or have been previously sent and are known to have been received and not deleted or overwritten), the receiver could reject a message that contains a missing IE, the receiver would use a default value for the missing referenced IE, the receiver would ignore the referencing IE, and the receiver would take some other action specific to the particular message and state of the receiver.

 

            The method includes the steps of receiving a message, determining that the message contains a referencing IE, determining that the referenced IE is missing, and selecting an action according to the IE that is missing according to either the generic list of behaviors, or behaviors specified for particular cases.