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Fig. 1 Frequency spectrum of WiFi channel allocations.
Traditional fixed channel allocations result in low efficiency in terms of spectrum utilization.
This was achieved by comparing measured data to both actual TV channel allocations and a geo-location database (GLDB) for the Tshwane metropolitan area (city of Pretoria).
CRN users individually or jointly decide their channel allocations and transmission powers and rates without a central coordinator.
However, a comparison with TV channel allocations (256 MHz free) and the GLDB (96 MHz free) highlighted the effect of the hidden node problem.
But once channel allocations are complete, then contention-free sub-carriers are established between every radar and all of its one-hop neighbors.
Similar(51)
Finally, in channel allocation phase, the RSU allocates licensed channels to the OBUs by executing our proposed channel allocation mechanism to determine the most suitable channel for a given transmission.
Jain et al. (2003a, b) suggested the channel allocation scheme for cellular network to optimally allocate the channel to each cell.
Channel allocation schemes are required in mobile networks to allocate bandwidth and channels to mobile stations.
Fig. 3 Frequency reuse (channel allocation).
Besides power allocation, channel allocation has been studied in [97].
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