Publication:
Delay-Sensitive Network Selection and Offloading in LTE-A and Wi-Fi Heterogeneous Networks

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cris.lastimport.scopus2026-02-26T16:02:09Z
dc.creatorYang, Chun-Chuan
dc.creatorChen, Jeng-Yueng
dc.creatorMai, Yi-Ting
dc.creatorWang, Yi-Chih
dc.date2021-06
dc.date.accessioned2021-11-01T05:57:27Z
dc.date.accessioned2025-07-28T16:49:51Z
dc.date.available2021-11-01T05:57:27Z
dc.date.issued2021-11-01T05:57:27Z
dc.description.abstractLTE-Advanced (LTE-A) offloading is concerned about alleviating traffic congestion for the LTE-A network, which includes the core network and the radio access network (RAN). Due to the scarcity of the radio resource, offloading for the LTE-A RAN is more critical, for which an efficient way is to integrate Wi-Fi with LTE-A to form a heterogeneous RAN environment. An LTE-A UE (User Equipment) with the wi-fi interface can therefore access the Internet via an LTE-A base station of Evolved Node B (eNB) or a wi-fi Access Point (AP). In this paper, wireless network selection for UEs with delay-sensitive traffic in the heterogeneous RAN of LTE-A and wi-fi is addressed. Based on the queueing model of M/G/1, a novel network selection and offloading scheme, namely Delay-Sensitive Network Selection and Offloading (DSO), is proposed. The average system time at LTE-A eNBs and wi-fi APs calculated according to M/G/1 is used for network selection as well as offloading operations in DSO. The benefit of DSO in terms of satisfying the delay budget of UEs and load balancing is demonstrated by the simulation study.
dc.format.extent129 bytes
dc.format.mimetypetext/html
dc.identifier.doi10.1142/S0218126621501206
dc.identifier.issn0218-1266
dc.identifier.urihttps://ir.ntus.edu.tw/handle/987654321/66226
dc.languageen_US
dc.publisherSINGAPORE: WORLD SCIENTIFIC
dc.relationJOURNAL OF CIRCUITS SYSTEMS AND COMPUTERS, 30(7)
dc.subjectLTE-A offloading
dc.subjectheterogeneous radio network
dc.subjectwi-fi
dc.subjectdelay-sensitive
dc.titleDelay-Sensitive Network Selection and Offloading in LTE-A and Wi-Fi Heterogeneous Networks
dc.typearticle
dspace.entity.typePublication

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