| MS Seminar

Name of the Speaker: Ms. SINGH SWETA RAJESH SONU (EE16S065)
Guide: Prof. Giridhar K
Venue: ESB-244 (Seminar Hall)
Online meeting link: meet.google.com/mtc-hpyf-mcg
Date/Time: 16th September 2024 (Monday), 11:00 AM
Title: Local and Hyper-Local Multicast Services Transmission in Next-Generation Mobile Networks.

Abstract :

The efficiency of the broadcast network is impacted by the types of services transmitted over it. Global services serve users across the entire network, local services target users in specific sub-regions, and hyper-local services have even narrower coverage. Multimedia Broadcast/Multicast Service Single Frequency Network (MBSFN) is ideal for global service transmission over both Digital Terrestrial Television (DTT) and mobile systems, while Local Service Insertion (LSI) schemes in existing Single Frequency Networks (SFNs) deliver both global and local/hyper-local services within DTT networks. Single Cell-Point to Multipoint (SC-PTM) and Multi-Frequency Network (MFN) are used solely for transmitting hyper-local services over mobile and DTT systems, respectively. However, these schemes fall short when network-wide requests for local and hyper-local services arise in mobile networks. SC PTM, which is prone to interference and uses a conventional multicast scheme (CMS) approach for transmitting single-rate hyper-local services, is often deployed in such scenarios, but its cellular design forces local services to be transmitted as hyper-local services.

In this talk, we propose a new Local and Hyper-Local Services (LHS) transmission scheme that mitigates the limitations of SC-PTM by transmitting local services with macro-diversity gain and utilizing the multicast group's user distribution, Hierarchically Modulated (HM) Non-Uniform Constellations (NUCs), and Non-Orthogonal Multiple Access (NOMA) to schedule the service requests in a spectrally efficient way. System-level simulation results testify to the better performance achieved by the