2012 IEEE Wireless Communications and Networking Conference (WCNC) 2012
DOI: 10.1109/wcnc.2012.6214087
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Optimization of fractional frequency reuse in long term evolution networks

Abstract: In cellular systems, Fractional Frequency Reuse (FFR) partitions each cell into two regions; inner region and outer region and allocates different frequency band to each region. Since the users at the inner region are less exposed to inter-cell interference, the frequency resources in each inner region can be universally used. Based on this frequency band allocation, FFR may reduce channel interference and offer large system capacity. This paper proposes a mechanism that selects the optimal FFR scheme based on… Show more

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Cited by 33 publications
(15 citation statements)
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“…For hard FFR scheme combine cells use the definite frequency while at the boundary area only unused frequency bands are utilized. Soft FFR also work as similar to hard FFR but advantage of soft is it utilize bandwidth better than hard FFR, but have some disadvantage inter-cell interference scenario occurs more than hard FFR [18].…”
Section: Fractional Frequency Reuse Techniquementioning
confidence: 99%
“…For hard FFR scheme combine cells use the definite frequency while at the boundary area only unused frequency bands are utilized. Soft FFR also work as similar to hard FFR but advantage of soft is it utilize bandwidth better than hard FFR, but have some disadvantage inter-cell interference scenario occurs more than hard FFR [18].…”
Section: Fractional Frequency Reuse Techniquementioning
confidence: 99%
“…The Partial Reuse part is allocated to the cell edge users such that the signals are orthogonal to the neighbor users. Dimitrios Bilios, Christos Bouras, Andreas Papazois, Georgia Tseliou, Vasileios Kokkinos are proposed in [5] interference management mechanism with the help of fractional frequency reuse to calculate per user Signal to Interference Ratio, capacity, throughput, user satisfaction and based on that value two different approaches are used for frequency allocation which is Reuse-1 where whole system bandwidth in all cells and Reuse-3 where system bandwidth is divided into 3 equal sub-bands. These allocations eliminate Intra-cell Interference and greatly reduced Inter-cell Interference.…”
Section: Literature Reviewmentioning
confidence: 99%
“…Such technique decreases interference and increases throughput to great extent. Following Table 1 consists comparatively a point which shows CASFR gives throughput more [5] [6] [8]. V. CONCLUSION LTE Femtocell combination provides very effective solution for wireless communication networks.…”
Section: D) Soft Frequency Reuse (Sfr)mentioning
confidence: 99%
See 1 more Smart Citation
“…Moreover, in [7] some modifications of PFR in which the band reserved for BAC is doubled are proposed, as a cost of some additional interference. Authors of [8] propose an interference avoidance scheme for SFR used in LTE downlink. Additionally, in [9] a mechanism that selects efficient FFR scheme based on the user throughput and user satisfaction is proposed while in [10] efficient algorithms for bandwidth and power allocation depending on user's selection are analyzed.…”
Section: Introductionmentioning
confidence: 99%