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A Comprehensive Study on System Capacity Improvement in LTE Femtocells by On-Request Channel Allocation

Journal: International Journal of Science and Research (IJSR) (Vol.4, No. 3)

Publication Date:

Authors : ;

Page : 1283-1286

Keywords : Frequency Reuse; Chnnel allocation; LTE; Femtocell; Macrocells;

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Long-term evolution (LTE) femtocells represent a very promising answer to the ever growing bandwidth demand of mobile applications. They can be easily deployed without requiring a centralized planning to provide high data rate connectivity with a limited coverage. Femtocell is low-power, very small and cost effective cellular base station used in indoor environment. However, the impact of Femtocells on the performance of the conventional Macrocell system leads interference problem between Femtocells and pre-existing Macrocells as they share the same licensed frequency spectrum. Frequency Reuse (FR) is an effort of manipulating the frequency resource allocation upon terminal's location to improve system capacity. This paper discuss about various aspects of system capacity improvements and a novel frequency planning for two tiers cellular networks using frequency reuse technique is used where Macro base stations allocate frequency sub-bands for Femtocells users on-request basis through Femtocells base-stations to cancel interference.

Last modified: 2021-06-30 21:34:49