System capacity improvement by on request channel allocation in LTE cellular network

Rezvy, Shahadate, Rahman, Shahedur, Lasebae, Aboubaker and Loo, Jonathan (2014) System capacity improvement by on request channel allocation in LTE cellular network. In: 2014 48th Annual Conference on Information Sciences and Systems (CISS), 19-21 Mar 2014, Princeton, USA.

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Abstract

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. In this paper, an efficient method to improve system capacity through interference management in the existing Femto-Macro two tier networks has been proposed. In the proposed scheme, 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.

Item Type: Conference or Workshop Item (Paper)
ISBN: 9781479930012
Identifier: 10.1109/CISS.2014.6814105
Uncontrolled Keywords: Frequency Reuse (FR); resource allocation; Jemtocells; interference management; Long Term Evolution (LTE); OFDMA; Macrocell
Subjects: Computing > Systems > Computer networking
Computing
Depositing User: Jonathan Loo
Date Deposited: 21 Jun 2017 15:37
Last Modified: 13 Oct 2017 11:56
URI: http://repository.uwl.ac.uk/id/eprint/3487

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