Discrete-event simulation of coordinated multi-point joint transmission in LTE-Advanced with constrained backhaul

Matteo Artuso, Henrik Lehrmann Christiansen

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Abstract

Inter-cell interference in LTE-Advanced can be mitigated using coordinated multi-point (CoMP) techniques with joint transmission of user data . However, this requires tight coordination of the eNodeBs, usin g the X2 interface. In this paper we use discrete-event simulation to evaluate the latency requirements for the X2 interface and investigate the consequences of a constrained ba ckhaul. Our simulation results show a gain of the system throug hput of up to 120% compared to the case without CoMP for low-latency backhaul. With X2 latencies above 5 ms CoMP is no longer a benefit to the network.
Original languageEnglish
Title of host publicationProceedings of IEEE Eleventh International Symposium on Wireless Communication Systems
PublisherIEEE
Publication date2014
Pages106-110
ISBN (Print)978-1-4799-5863-4
DOIs
Publication statusPublished - 2014
EventIEEE Eleventh International Symposium on Wireless Communication Systems - Barcelona, Spain
Duration: 26 Aug 201429 Aug 2014

Conference

ConferenceIEEE Eleventh International Symposium on Wireless Communication Systems
CountrySpain
CityBarcelona
Period26/08/201429/08/2014

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