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Heterogeneous Ultradense Networks with NOMA System Architecture, Coordination Framework, and Performance Evaluation
Southwest Jiaotong Univ, Chengdu, Sichuan, Peoples R China..
KTH, School of Electrical Engineering and Computer Science (EECS), Information Science and Engineering.ORCID iD: 0000-0003-0134-2996
Southwest Jiaotong Univ, Chengdu, Sichuan, Peoples R China.;Sch Informat Sci & Technol, Stockholm, Sweden..
KTH, School of Electrical Engineering and Computer Science (EECS), Information Science and Engineering.ORCID iD: 0000-0002-5407-0835
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2018 (English)In: IEEE Vehicular Technology Magazine, ISSN 1556-6072, E-ISSN 1556-6080, Vol. 13, no 2, p. 110-120Article in journal (Refereed) Published
Abstract [en]

Heterogeneous ultradense networks (H-UDNs) are one key enabler for fifth-generation (5G) wireless networks and beyond to satisfy the explosive growth of mobile data traffic, which exploits spatial reuse of scarce spectrum by deploying massive base stations (BSS) to boost network capacity and enhance network coverage. In this article, we present the system architecture for 5G H-UDNs, consisting of virtualized integrated ground-Air-space radio access networks (RANs) and core networks and study network coordination for virtualized H-UDN to efficiently manage computing resources and intercell interference. We look at a cloud-fog-computing coordination framework for efficient computing resource management by achieving reasonable computing task distribution and transfer; computing load balance for computing tasks among virtual computing resources to improve network performance and computing resource efficiency; and a macro-small cell coordination framework for virtualized H-UDN with nonorthogonal multiple access (NOMA) to efficiently manage intercell interference and improve network performance. The joint macro-small enhanced intercell interference coordination (eICIC) and small-small coordinated multipoint joint transmission (CoMP-JT) scheme can efficiently eliminate macro-small intercell interference and utilize small-small intercell interference.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2018. Vol. 13, no 2, p. 110-120
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Other Engineering and Technologies
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URN: urn:nbn:se:kth:diva-230478DOI: 10.1109/MVT.2018.2812280ISI: 000433094600016Scopus ID: 2-s2.0-85046375092OAI: oai:DiVA.org:kth-230478DiVA, id: diva2:1217699
Note

QC 20180613

Available from: 2018-06-13 Created: 2018-06-13 Last updated: 2018-06-19Bibliographically approved

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Yang, GuangXiao, Ming

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