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UE Performance in a 5G Multi-connectivity UDN City Scenario
Luleå tekniska universitet, Institutionen för system- och rymdteknik.
2019 (Engelska)Självständigt arbete på avancerad nivå (masterexamen), 80 poäng / 120 hpStudentuppsats (Examensarbete)
Abstract [en]

Multi-connectivity and network densification are two solutions intended to enhance user throughput and reliability. These solutions are critical since 5G NR uses a wide range of frequency bands, which exhibit different varying radio coverage characteristics. This work studies the user equipment (UE) performance using multi-connectivity within an ultra-dense network (UDN) deployed in an urban city environment. By being connected to more than one access node simultaneously, the UE should benefit from increased reliability and data rates at the expense of a potentially increased power consumption. In this letter, we have constructed an urban city environment and a context-aware UE power consumption model. The performance of the UE is assessed with an uplink power control scheme for multi-connectivity and a novel multi-connectivity scheme is proposed. Our simulation results show that dual-connectivity increases performance by up to 44% and 27% in average downlink and uplink throughput, respectively. Similarly, tri-connectivity does the same by up to 45% and 25%. At mid load (forty-five users), the average increase in UE power consumption compared to single-connectivity is 25% and 60% for dual-connectivity and tri-connectivity, respectively. Dual-connectivity increases global UE energy efficiency by up to 30%. Within an urban environment, dual-connectivity decreases the RLF rate by 20% compared to single-connectivity for high speed users.

Ort, förlag, år, upplaga, sidor
2019. , s. 84
Nationell ämneskategori
Telekommunikation
Identifikatorer
URN: urn:nbn:se:ltu:diva-75994OAI: oai:DiVA.org:ltu-75994DiVA, id: diva2:1351287
Externt samarbete
Ericsson
Ämne / kurs
Examensarbete, minst 30 hp
Utbildningsprogram
Datateknik, master
Presentation
2019-06-19, Forum, Laboratorgränd, Skellefteå, 16:29 (Engelska)
Handledare
Examinatorer
Projekt
European Erasmus Mundus programme PERCCOM - PERvasive Computing & COMmunications
Anmärkning

Presentation done within the 5th PERCCOM Summer School that took place in Skellefteå. 

Tillgänglig från: 2019-09-17 Skapad: 2019-09-13 Senast uppdaterad: 2022-11-02Bibliografiskt granskad

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fulltext(4041 kB)1749 nedladdningar
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https://lutpub.lut.fi/handle/10024/159918

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Perdomo, José
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Institutionen för system- och rymdteknik
Telekommunikation

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