Analysis of the Single Frequency Network Gain in Digital Audio Broadcasting Networks

Abstract

The single frequency network (SFN) is a popular solution in modern digital audio and television system networks for extending effective coverage, compared to its traditional single-transmitter counterpart. As benefits of this configuration appear to be obvious, this paper focuses on the exact analysis of so-called SFN gain—a quantitative effect of advantage in terms of the received signal strength. The investigations cover a statistical analysis of SFN gain values, obtained by means of computer simulations, with respect to the factors influencing the coverage, i.e., the protection level, the reception mode (fixed, portable, mobile), and the receiver location (outdoor, indoor). The analyses conclude with an observation that the most noteworthy contribution of the SFN gain is observed on the far edges of the networks, and the least one close to the transmitters. It is also observed that the highest values of the SFN gain can be expected in the fixed mode, while the protection level has the lowest impact.

Digital Transformation of Terrestrial Radio: An Analysis of Simulcasted Broadcasts in FM and DAB+ for a Smart and Successful Switchover

“…It provides high-quality digital terrestrial services for both fixed and portable devices, including fast-moving objects, e.g., trains or cars up to 200 km/h. It can operate in either MFN (Multiple Frequency Network) or SFN (Single Frequency Network) mode [6,7]. This standard also enables stable reception conditions in case of highly populated dense urban areas [8,9].…”