IMPROVED QOS AND EFFICIENT RESOURCE ALLOCATION FOR MOBILE LOAD BALANCING IN WIMAX NETWORK AND MANET
P. Elayarasu · 2013
The idea behind balancing the system load with resource allocation is to bring the resources (unoccupied frequencies) to where most of the users are located. In resource allocation schemes, a centralized element allocates additional resources to hotspot cells. One example of this is channel borrowing where a congested Base Station can borrow the channel of lightly loaded Base Stations. Channel borrowing requires that the system supports Dynamic Channel Allocation (DCA), which is an enhancement to the traditional Fixed Channel Allocation (FCA). DCA is able to adjust to changing traffic whereas FCA will keep the same frequency assignments irrelevant of the traffic load. Although Mobile WiMAX as well as Mobile Ad Hoc Network provides a flexible way to allocate frequency resources making DCA between BSs possible, DCA won’t be used at least in the early stages of deployment. FCA will be applied for the frequency sets resulting from Partial Usage of Sub-Channels (PUSC) sectorization.