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2015 | OriginalPaper | Buchkapitel

Capacity Estimation for Cellular LTE Using AMR Codec with Semi-persistent Scheduling

verfasst von : Ajay Pratap, Hemanta Kumar Pati

Erschienen in: Intelligent Computing, Communication and Devices

Verlag: Springer India

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Abstract

Long-term evolution (LTE) network is a fully IP-based and does not include a circuit-switched domain for voice communication as known from GSM and UMTS networks. Continuous switching from active to inactive state is one of the challenging tasks for VoIP in LTE. Because of these switching and retransmissions, control channels come into function. Control channel is one of the major limitations for capacity in VoIP. In this paper, we analyzed different scheduling techniques to reduce the number of control channels in the network. We estimated the maximum number of LTE users can be supported over enhanced node B (eNodeB) using different bandwidth levels. From the numerical results, we observed that AMR codec with semi-persistent scheduling scheme is utilizing less number of control channels and accommodates more number of users.

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Metadaten
Titel
Capacity Estimation for Cellular LTE Using AMR Codec with Semi-persistent Scheduling
verfasst von
Ajay Pratap
Hemanta Kumar Pati
Copyright-Jahr
2015
Verlag
Springer India
DOI
https://doi.org/10.1007/978-81-322-2012-1_78