US 2006/0080427 A1Published application

Apparatus, and associated method, for facilitating determination of synchronization status of database copies connected by way of a radio air interface of a radio communication system

OwnerDavid Yach, Barry Linkert +6inventors

InventorsDavid Yach, Barry Linkert, Jie Zhu, Salim Omar, Piotr Tysowski, Albert Hecht-Enns, Catherine Phillips, Kathy Pereira

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Abstract

Apparatus, and an associated method, for facilitating determination of whether database copies are in match with one another. A group hash is formed, associated with a group of data records of one of the database copies. The group hash is communicated, by way of a radio air interface, and the value of the group hash is compared with a corresponding value associated with a corresponding group of data records of the other database copy. If the values of the group hashes correspond, a determination is made that the groups of database records of the database are in match with one another. And, through communication of only a single group hash on the radio air interface, database correspondence of the group data records of the database copies are determined.

Claims20

Dependent claims

In a radio communication system comprising a network part having at least a first network copy database maintained thereat and a mobile node having a corresponding at least a first mobile copy database maintained thereat, data of the first network copy database and the first mobile copy database in match with one another when data of each data record of the first network copy database is in complete correspondence with corresponding data of each data record of the first mobile copy database, an improvement of apparatus for facilitating determination of whether the first network copy database is in match with the first mobile copy database, said apparatus comprising:

a group hash generator embodied at the mobile node and adapted to receive indications of at least selected portions of at least selected data records of the at least the first mobile copy, said group hash generator selectably for forming a group hash value formed of aggregated hash values aggregated from individual record hashes representative of at least a first selected group of the selected data records, the group hash values for communication to the network part to determine whether the first network copy database and the first mobile copy database are in match with one another.

In a method of communicating in a radio communication system comprising a network part having at least a first network copy database maintained thereat and a mobile node having a corresponding at least a first mobile copy database maintained thereat, data of the first network copy database and the first mobile copy database in match with one another when data of each data record of the first network copy database is in complete correspondence with corresponding data of each data record of the first mobile copy database, an improvement of a method for facilitating determination of whether the first network copy database is in match with the first mobile copy database, said method comprising:

aggregating together individual record hashes of individual data records of at least a first selected group of data records of the at least the first mobile copy to form a group hash value;
sending the group hash value formed during said operation of aggregating to the network part;
comparing the group hash value sent to the network part during said operation of sending with a corresponding network generated value;
and
determining whether the group hash value corresponds in value with the corresponding network generated value.

2 more elements

Dependencies are inferred from the claim text.