MCAST: Mobility-aware Channel-Availability based Channel Selection Technique
A key issue in cognitive radio networks is the design of a channel selection technique that guarantees to utilize the highest available channel in presence of the dynamic activity of primary users. Usually, the channel selection techniques that operate in this kind of network are based on the ch...
| Main Authors: | , , |
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| Format: | Conference or Workshop Item |
| Language: | English English |
| Published: |
2015
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| Subjects: | |
| Online Access: | http://umpir.ump.edu.my/id/eprint/10894/ http://umpir.ump.edu.my/id/eprint/10894/1/MCAST-%20Mobility-aware%20Channel-Availability%20based.pdf http://umpir.ump.edu.my/id/eprint/10894/7/fskkp-2015-rahman-MCAST%20Mobility-aware.pdf |
| Summary: | A key issue in cognitive radio networks is the design
of a channel selection technique that guarantees to utilize the
highest available channel in presence of the dynamic activity
of primary users. Usually, the channel selection techniques that
operate in this kind of network are based on the channelavailability
probability. In the static primary user’s scenario,
this probability can be a priori known or simply estimated from
the channel occupancy history. However, in the mobile primary
user’s scenario, this probability dynamically varies in time due
to the changes of the primary user’s position. In order to exploit
the dynamic variation of the channel availability, in this paper
we design a novel Mobility-aware Channel-Availability based
channel Selection Technique (MCAST) that ensures to select
the channel with the highest channel availability probability in
a given temporal interval. The simulation results highlight the
benefits of the proposed technique in presence of primary user’s
mobility. Moreover, we evaluate the effectiveness of MCAST in
a scenario of practical interest by adopting this technique in a
recently proposed routing metric designed for this network. |
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