Non-Orthogonal Transmission for Downlink Broadcast/Multicast
Yifei Yuan, Hong Tang, Weimin Li
Abstract
Yifei Yuan, Hong Tang, Weimin Li
Abstract
Downlink non-orthogonal transmission can also be used for broadcast/multicast scenarios. It is observed from the system-level simulations that the basic broadcast/unicast service and the enhanced broadcast/unicast services can be superimposed and transmitted. By adjusting the power ratio between these two services, various combinations of data rate and coverage percentage of the enhanced services can be obtained, without significantly impacting the basic broadcast/multicast services. This provides more deployment choices for wireless operators.
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Downlink non-orthogonal transmission can also be used for broadcast/multicast scenarios. It is observed from the system-level simulations that the basic broadcast/unicast service and the enhanced broadcast/unicast services can be superimposed and transmitted. By adjusting the power ratio between these two services, various combinations of data rate and coverage percentage of the enhanced services can be obtained, without significantly impacting the basic broadcast/multicast services. This provides more deployment choices for wireless operators.
Key concepts: Multimedia Broadcast Multicast Service, Unicast, Multicast, Computer network, Broadcast radiation, Computer science, Telecommunications link, Source-specific multicast