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|dc.identifier.citation||IEEE ACCESS, v. 9, Page. 16193-16210||en_US|
|dc.description.abstract||Rising popularity of 5G communications is making tremendous demands on the cellular network operators for providing true 5G services to the users. With limited numbers of 5G users initially, the investments for 5G services can be very high. In the early stage of 5G deployments, the 5G cells would not be lavishly spread and there would be 5G coverage holes. The operators can provide seamless services to the 5G users by inter working with the existing 4G Long-Term Evolution (LTE) network. The 5G inter working with fully deployed LTE would not only provide fast and seamless coverage but would also provide economic viability to the network operators. In this paper we survey and consolidate the 4G-5G inter working solutions that can assist in attaining the insight about various inter working possibilities and their challenges. It is important that a network operator is able to optimize its deployed infrastructure while being able to guarantee fast and seamless transition to 5G for its subscribers. To this regard, we evaluate the performance and radio resource management challenges for different 4G-5G dual connectivity options proposed by 3rd Generation Partnership Project (3GPP) standardization. We also discuss spectrum sharing possibilities between 4G and 5G wireless networks. Finally, various research challenges and discussions on path for migration to 5G standalone networks are also presented.||en_US|
|dc.publisher||IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC||en_US|
|dc.title||A Survey on 4G-5G Dual Connectivity: Road to 5G Implementation||en_US|
|dc.sector.daehak||COLLEGE OF ENGINEERING SCIENCES[E]||-|
|dc.sector.department||DIVISION OF ELECTRICAL ENGINEERING||-|
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