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Coexistence between 5G and Fixed Services
KTH, School of Information and Communication Technology (ICT), Centres, Center for Wireless Systems, Wireless@kth. Ericsson Research, Sweden.
2016 (English)In: 2016 IEEE 83RD VEHICULAR TECHNOLOGY CONFERENCE (VTC SPRING), IEEE, 2016Conference paper (Refereed)
Abstract [en]

This study focuses on the coexistence between 5G networks and Fixed Services (FS), where fixed links (FL) is one application. 5G is expected to require spectrum in high frequency ranges and fixed services is a highly probable candidate to share spectrum with. Most of the spectrum is co-primary allocated to both mobile and fixed. This study gives assessment on the inference to/from the fixed link, and identifies areas for further study. The results indicate that the interference that 5G radiates to the fixed link is higher than the requirement in the co-channel case. However a low traffic load at 5G together with beamforming is the best scenario with a 30% probability of interference. One possibility to reduce the probability of interference to 6% is to increase antenna directivity of the fixed links. This can be a valid solution to be applied for operators owning both fixed and 5G networks. The interference from fixed link to 5G downlink is below the allowed limit and it is found that at 5G downlink the main contributor to the aggregated interference is the intra network interference. The interference scenario can be improved by utilizing coordination protocols with beam-steering, and advanced antennas. Operators can also consider to deploy in a coordinated manner, or even using other deployments type like micro or indoor.

Place, publisher, year, edition, pages
IEEE, 2016.
, IEEE Vehicular Technology Conference Proceedings, ISSN 1550-2252
Keyword [en]
5G, co-existence, fixed link spectrum, aggregate interference, sharing, beamforming
National Category
Electrical Engineering, Electronic Engineering, Information Engineering Transport Systems and Logistics
URN: urn:nbn:se:kth:diva-197031DOI: 10.1109/VTCSpring.2016.7504168ISI: 000386528400120ScopusID: 2-s2.0-84979755887ISBN: 978-1-5090-1698-3OAI: diva2:1053105
IEEE 83rd Vehicular Technology Conference (VTC Spring), MAY 15-18, 2016, Nanjing, PEOPLES R CHINA

QC 20161208

Available from: 2016-12-08 Created: 2016-11-28 Last updated: 2016-12-08Bibliographically approved

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