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Energy Conserving Multiple Data Access in Wireless Data Broadcast Environments
SeokJin IM MoonBae SONG Sang-Won KANG Jongwan KIM Chong-Sun HWANG SangKeun LEE
IEICE TRANSACTIONS on Communications
Publication Date: 2007/09/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Broadcast Systems
wireless communication, broadcast system, air index, data retrieval,
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This letter proposes a group-based distributed air index (called GDI) using two-leveled groups by partitioning the identifiers of data items to reduce the size of the index. GDI provides both global and local views of data items and multiple pointers to data items in a single access to an index. Simulation results show that GDI outperforms the existing index in terms of multiple data access, energy conservation and data waiting time.