Paper Info
Title
Using Layered-Division-Multiplexing to Achieve Enhanced Spectral Efficiency in 5G-MBMS
Abstract
3GPP is pursuing a multimedia broadcast multicast service subsystem in 5G (5G-MBMS) based on the latest LTE further evolved MBMS (feMBMS) system in Rel. 14. In this paper, Layered Division Multiplexing (LDM) is proposed as a new addition to the 5G technology toolbox for achieving significantly enhanced spectral efficiency for the 5G-MBMS to efficiently deliver mixed broadcast and unicast services. A capacity analysis is first conducted to derive the capabilities of an LDM-based 5G-MBMS system to deliver broadcast and unicast services in the different signal layers, under the conditions with severe co-channel interference (CCI). It is shown that using LDM can provide a nearly full-capacity unicast network on top of high-quality broadcast network. The broadcast capacity is mainly determined by the power allocations between the two signal layers. The unicast capacity can be maximized by deliberately operating the system in a CCI-limited mode. Simulation results are presented to demonstrate the capacity gain that can be achieved by incorporating LDM in the 5G-MBMS system. This study shows that LDM is one of the enabling technologies to close the gap between the LTE feMBMS capability and the 5G-MBMS requirements.
Year
DOI
Venue
2019
10.1109/BMSB47279.2019.8971874
2019 IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (BMSB)
Keywords
Field
DocType
Layered Division Multiplexing,LDM,LTE,feMBMS,enTV,5G,5G-MBMS,SHVC,mobile broadcast,UHD
Multimedia Broadcast Multicast Service,Broadcasting,Computer science,Broadcasting (networking),Toolbox,Computer network,Spectral efficiency,Interference (wave propagation),Unicast,Multiplexing
Conference
ISSN
ISBN
Citations 
2155-5044
978-1-7281-2151-2
1
PageRank 
References 
Authors
0.36
0
7
Name
Order
Citations
PageRank
Liang Zhang155144.64
Yiyan Wu21610180.83
Wei Li342256.67
Sung Ik Park42511.82
Jaeyoung Lee5454102.07
Namho Hur622051.02
Heug-Mook Kim710.36