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Title: An approach towards the query handling in mobile cellular network
Authors: Mitra, S
Das, S
Keywords: Cellular mobile architecture;Base station;Mobile switching centre;Query processing
Issue Date: Nov-2004
Publisher: CSIR
IPC Code: Int. Cl.7: H 04 L 12/28
Abstract: A data management scheme for processing different types of queries in a mobile cellular environment is proposed. The present work is able to give answers of different types of queries such as, proximity query, personal query, and query for any broadcast type of data by exchanging a few number of messages among different components of the network such as, mobile unit, base station, and mobile switching centre. The scheme uses two databases stored at base station and mobile switching centre. Locations of all location dependent data are represented in cylindrical polar coordinates, and the database at each base station keeps the data of the fixed objects exclusively in its locality. As a result the proximity query raised by a mobile unit can be answered by its servicing base station without consulting other base stations and mobile switching centres, thus reducing message exchange and hence the delay in query answering. The suitable file organization to support the database is also proposed here. Moreover, a suitable Query Language is proposed here to process the queries in the mobile cellular environment. Exhaustive simulation work is done to study the performance of the system for getting satisfactory answer of the query by varying different parameters like, query arrival probability and time.
Page(s): 877-887
ISSN: 0975-1084 (Online); 0022-4456 (Print)
Appears in Collections:JSIR Vol.63(11) [November 2004]

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