Abstract
A decentralized multiple access technique for radio resource allocation for Base Stations (BSs) is presented. The proposed Distributed Dynamic Channel Reservation (DDCR) method applies to mutlicarrier wireless dynamic TDMA LANs, where self-organized BSs act as hubs offering wireless access to Mobile Terminals (MTs). The method is suitable for unlicensed wireless environment, and especially in scenaria where BSs of different providers are installed in a common coverage area. In the proposed approach, BSs are competing to access and reserve time on separate frequencies, using a dynamic TDMA/TDD technique. The paper introduces etiquette rules, and contention disciplines, whilst eliminates any hidden terminal phenomena. Additionally, it defines carrier selection rules, allowing BSs to select the less congested carrier, based on real time measurements. Finally, the paper evaluates and compares the performance of the contention disciplines and MAC techniques, through simulations.
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