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dc.contributor.authorLiang, Jia-Mingen_US
dc.contributor.authorHsu, Ching-Kuoen_US
dc.contributor.authorChen, Jen-Jeeen_US
dc.contributor.authorWu, Kun-Ruen_US
dc.contributor.authorTseng, Yu-Cheeen_US
dc.date.accessioned2020-05-05T00:01:30Z-
dc.date.available2020-05-05T00:01:30Z-
dc.date.issued2020-02-01en_US
dc.identifier.issn2162-2337en_US
dc.identifier.urihttp://dx.doi.org/10.1109/LWC.2019.2943471en_US
dc.identifier.urihttp://hdl.handle.net/11536/153937-
dc.description.abstractCloud-RAN (C-RAN) is a promising network architecture to provide 5G broadband services. In C-RAN, the base stations (BSs) are separated as the computation entities (i.e., Baseband Units (BBUs)) and the radio entities (i.e., Remote Radio Heads (RRHs)), where the BBUs are put in a centralized cloud to realize centrally control and the RRH are left at cell sites for signal transmission. With C-RAN, multiple collaborative cells can transmit data to user equipments (UEs) by Joint Transmission (JT) technology to improve network efficiency. On the other hand, 3GPP standard has defined the Discontinuous Reception (DRX) mechanism, which allows UEs to turn off their radio interfaces periodically to save their energy. However, how to cooperate DRX with JT under the C-RAN architecture is still an open issue. Therefore, this letter studies how to optimize UEs' DRX parameters while considering their quality-of-service (QoS) in C-RAN with JT. To solve this problem, we propose an energy-efficient JT scheduling scheme. The main idea of our scheme is to well pair UEs and BSs with the consideration of joint transmission quality and then optimizes DRX parameters to further save energy. Extensive simulation results show that our scheme can improve system throughput, well utilize resource and save UEs' energy consumption.en_US
dc.language.isoen_USen_US
dc.subjectComputer architectureen_US
dc.subjectMicroprocessorsen_US
dc.subjectSchedulesen_US
dc.subjectThroughputen_US
dc.subjectDelaysen_US
dc.subjectDownlinken_US
dc.subject5G mobile systemen_US
dc.subjectcloud radio access networks (C-RAN)en_US
dc.subjectjoint transmission (JT)en_US
dc.subjectdiscontinuous reception (DRX)en_US
dc.subjectsleep schedulingen_US
dc.titleThree-Stage DRX Scheduling for Joint Downlink Transmission in C-RANen_US
dc.typeArticleen_US
dc.identifier.doi10.1109/LWC.2019.2943471en_US
dc.identifier.journalIEEE WIRELESS COMMUNICATIONS LETTERSen_US
dc.citation.volume9en_US
dc.citation.issue2en_US
dc.citation.spage129en_US
dc.citation.epage133en_US
dc.contributor.department資訊工程學系zh_TW
dc.contributor.department智慧科學暨綠能學院zh_TW
dc.contributor.departmentDepartment of Computer Scienceen_US
dc.contributor.departmentCollege of Artificial Intelligenceen_US
dc.identifier.wosnumberWOS:000515817000001en_US
dc.citation.woscount0en_US
Appears in Collections:Articles