Performance Analysis of Call Admission Control in SFR-Based LTE Systems

Author

Chung, Shun-Ping ; Chen, Yu-Wei

Author_Institution

Dept. of Electr. Eng., Nat. Taiwan Univ. of Sci. & Technol., Taipei, Taiwan

Volume

16

Issue

7

fYear

2012

fDate

7/1/2012 12:00:00 AM

Firstpage

1014

Lastpage

1017

Abstract

Inter-cell interference coordination (ICIC) is considered as the most promising approach for LTE to mitigate inter-cell interference. One important approach for ICIC is Soft Frequency Reuse (SFR). However, the analytical model of SFR has not been fully studied yet as cell-center mobile platforms occupying channels from the center band or the edge band were not distinguished. We derive a new analytical model to describe the call admission control in SFR-based systems. The performance measures of interest are new call blocking probability and outage probability. Further, we compare the performance of SFR-based systems and non-SFR- based systems. The analytical results are validated with simulation results. The analytical results are in reasonable agreement with the simulation results.

Keywords

Long Term Evolution; interference suppression; probability; telecommunication congestion control; wireless channels; ICIC; SFR-based LTE systems; call admission control; call blocking probability; cell-center mobile platforms; intercell interference coordination; intercell interference mitigation; nonSFR- based systems; outage probability; soft frequency reuse; Aggregates; Analytical models; Interference; Mobile communication; OFDM; Quality of service; Simulation; LTE; call admission control; inter-cell interference coordination; new call blocking probability; outage probability; soft frequency reuse;

fLanguage

English

Journal_Title

Communications Letters, IEEE

Publisher

ieee

ISSN

1089-7798

Type

jour

DOI

10.1109/LCOMM.2012.051512.120206

Filename

6203459