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Random Access Channel Allocation Scheme in Multihop Cellular Networks  

Cho, Sung-Hyun (Stanford University, Electrical Engineering)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.32, no.4A, 2007 , pp. 330-335 More about this Journal
Abstract
This paper proposes a multichannel random access channel allocation scheme for multihop cellular networks to guarantee the stable throughput of a random access. The fundamental contribution is a mathematical formula for an optimal partition ratio of shared random access channels between a base station and a relay station. In addition, the proposed scheme controls the retransmission probability of random access packets under heavy load condition. Simulation results show that the proposed scheme can guarantee the required random access channel utilization and packet transmission delay even if the a random access packet arrival rate is higher than 0.1.
Keywords
Random access; Multihop cellular networks; Relay; Multichannel; Slotted ALOHA;
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