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Call Model and Test-Verification Methods for PS-LTE Core Equipmentopen access

Authors
Lee, Jae-JeongPark, Pyung-KooChung, Byung-ChangKim, Sang-WanNam, Ki-DongRhee, Woo-Seop
Issue Date
Oct-2021
Publisher
MDPI
Keywords
DSCN; PS-LTE; MCPTT; performance test; eMBMS
Citation
ELECTRONICS, v.10, no.20
Indexed
SCIE
SCOPUS
Journal Title
ELECTRONICS
Volume
10
Number
20
URI
https://scholarworks.gnu.ac.kr/handle/sw.gnu/3236
DOI
10.3390/electronics10202513
ISSN
2079-9292
2079-9292
Abstract
Existing technologies in disaster and safety communication networks (DSCNs) face problems such as narrow bandwidth, low transmission rate, and difficulty in securing channels. Conversely, public safety long-term evolution (PS-LTE) technology provides high-speed, low-latency, quick-setup, and high-security data access for multimedia-based mission-critical services. To perform tests on each unit of core equipment with PS-LTE technology, a new call model such as push-to-talk, which is a service representing PS-LTE, is required. Moreover, objective and consistent metrics and methods are required for administering tests on the unique functions of DSCNs newly constructed with PS-LTE technology. This paper proposes a call model for the core facilities of DSCNs established in Korea, and it also suggests test and verification methods for all the areas of PS-LTE, including mission-critical push-to-talk, evolved multimedia broadcast and multicast service, and coverage and quality assessment for wireless services.
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