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학술대회 Convergence of Broadcast and Broadband Performance Evaluation of Layered Division Multiplexing for 5G and Beyond
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저자
Yu Xue, Elvino Sousa, Wei Li, Liang Zhang, Yiyan Wu, 박성익, 안성준, 허남호
발행일
202108
출처
International Symposium on Broadband Multimedia Systems and Broadcasting (BMSB) 2021, pp.1-6
DOI
https://dx.doi.org/10.1109/BMSB53066.2021.9547122
협약과제
21HH7400, 초고품질 UHD (UHQ) 전송 기술 개발, 허남호
초록
Further evolved Multimedia Broadcast Multicast Service (FeMBMS) was introduced in 3GPP Release 14 to provide standalone ultra-high-definition multicast/broadcast services over larger distances. Release 16 made significant improvements to FeMBMS with support for large inter site distance up to 125 km, support for high mobility up to 250 km/h, and enhancements to the cell acquisition subframe. However, the capabilities, efficiency, and service delivery flexibility of this system still lags behind dedicated broadcasting systems such as ATSC 3.0. Our previous works had shown that in an LTE infrastructure, incorporating layered division multiplexing (LDM) can deliver broadcast and broadband services in one RF channel to achieve higher spectral efficiency. The newest 5G standards bring many changes to the 3GPP specifications. Therefore, this study investigates the performance and capabilities of LDM for delivering mixed broadcast and broadband services for 5G and beyond. Simulations show that in an LDM enabled 5G broadcast priority network, a broadcast service and a near full capacity broadband service can be delivered using the same time frequency resource.
키워드
Convergence of Broadcast and Broadband, Making better use of the spectrum
KSP 제안 키워드
5G and beyond, ATSC 3.0, Broadband Services, Broadcasting system, Evolved Multimedia Broadcast Multicast Service(eMBMS), High Mobility, High definition, Making Better Use of the Spectrum, Multicast broadcast service, Multimedia Broadcast Multicast Service(MBMS), Performance evaluation