Analysis of Hybrid Broadcast/Broadband Networks With Multiple Broadcasting Stations

Abstract

Hybrid broadcast/broadband network (HBBN) presents a potential solution to mitigate the increasing demand for mobile TV. A proper HBBN deployment alleviates the limitations that each standalone network faces, thereby enhancing the global network coverage and efficiency. In this paper, we propose to address the question of performance improvement expected from such HBBN by means of an analytical framework based on stochastic geometry modeling. To this end, we introduce a generic model of the HBBN where multiple broadcast transmitters and a broadband network are deployed in the same area, jointly offering linear services, one of the mobile TV services. Two different approaches derived from stochastic geometry are applied and compared through the analysis of what is commonly referred to as a Point Hole Process (PHP): Original Poisson Point Process (PPP), and reduced PPP. Both approaches are thoroughly analyzed to give better insights into broadcast/broadband coexistence while taking into account the inter-cell interference of both networks. Exact and simplified expressions for the key performance metrics are derived such as the probability of coverage and ergodic capacity. Those expressions are then used to numerically maximize the spectral and power efficiency of the HBBN regarding the broadcast coverage radius and transmitters' density. The results show that for a wide range of user density, the HBBN introduces gain compared to either BB or BC networks. To the best of the authors' knowledge, this paper presents the first work dealing with the optimization of HBBN based on such a generic model and taking inter-cell and internetwork interference into consideration.

Optimization of hybrid broadcast/broadband networks for the delivery of linear services using stochastic geometry

“…Further analysis of the interference sources and suitable approximations were drawn in [153], and the optimization of network energy efficiency was analyzed in [154]. The model was then generalized in [155] to include numerous broadcasting transmitters distributed in the service area. Expressions of tight upper and lower bounds for coverage probability are derived and used to optimize the hybrid network in terms of system parameters like the density of BC transmitters.…”

“…Handover [143]. Coverage [152] Service sharing [142,143,148,149] User sharing [144,146,147,151,152,155] BC/MC Service offload [143] Personalization.…”

A New 5G Cellular Broadcasting Approach: Hybrid LDM-NOMA and FeMBMS-OMA Analysis Based on Stochastic Geometry

“…Tusha et al [37] illustrated a hybrid power domain employing an orthogonal/non-orthogonal framework for downlink transmission with two UDs. Shokair et al [38] argued that a hybrid broadcast/broadband network is a potential solution to mitigate the increasing demand for mobile TV. According to the channel condition.…”