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A Converged Evolved Ethernet Fronthaul for the 5G Era

Assimakopoulos, Philippos, Zou, Jim, Habel, Kai, Elbers, Jörg-Peter, Jungnickel, Volker, Gomes, Nathan J. (2018) A Converged Evolved Ethernet Fronthaul for the 5G Era. IEEE Journal on Selected Areas in Communications, 36 (11). pp. 2528-2537. ISSN 0733-8716. (doi:10.1109/JSAC.2018.2874148) (KAR id:69344)

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http://dx.doi.org/10.1109/JSAC.2018.2874148

Abstract

We assess the performance of two distinct functional splits based on latency/latency variation and mapping efficiency, both individually and in unison. By considering hardware-offloading possibilities for a low-layer split (especially a pre-resource mapper split) using an Option-6 software-based LTE split as an example, we show how data rate, Ethernet frame size and in general, traffic generation characteristics will be very important aspects in the design of the future Ethernet mapping function. Then, an integrated Ethernet fronthaul with legacy and new/evolved split functionality, operating at 100 Gb/s link rate is presented with state-of-the art sub-100 ns latency variation for a timing-protocol flow. This is achieved through the application of a gap-filling aggregator, used for the first time in such a mobile fronthaul application.

Item Type: Article
DOI/Identification number: 10.1109/JSAC.2018.2874148
Uncontrolled keywords: Mobile fronthaul, Ethernet fronthaul, Cloud-radio access network (C-RAN), Time-sensitive networking
Subjects: T Technology > TK Electrical engineering. Electronics. Nuclear engineering > TK5101 Telecommunications > TK5103.4 Broadband communication systems
T Technology > TK Electrical engineering. Electronics. Nuclear engineering > TK5101 Telecommunications > TK5103.59 Optical communications
T Technology > TK Electrical engineering. Electronics. Nuclear engineering > TK7800 Electronics
Divisions: Faculties > Sciences > School of Engineering and Digital Arts
Depositing User: Philippos Assimakopoulos
Date Deposited: 02 Oct 2018 19:11 UTC
Last Modified: 31 Jan 2020 13:05 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/69344 (The current URI for this page, for reference purposes)
Assimakopoulos, Philippos: https://orcid.org/0000-0002-2550-1317
Gomes, Nathan J.: https://orcid.org/0000-0003-3763-3699
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