%0 Conference Paper %F Oral %T 5G Contender Waveforms for Low Power Wide Area Networks in a 4G OFDM Framework %+ Commissariat à l'énergie atomique et aux énergies alternatives - Laboratoire d'Electronique et de Technologie de l'Information (CEA-LETI) %+ Université Grenoble Alpes INP (Grenoble INP) %A Roth, Yoann %A Doré, Jean-Baptiste %A Ros, Laurent %A Berg, Vincent %< avec comité de lecture %B ICT 2018, 25th International Conference on Telecommunications %C Saint-Malo, France %8 2018-06-26 %D 2018 %K Index Terms—LPWA %K Turbo Codes %K Constant Envelope %K OFDM %K FSK %Z Mathematics [math]/Information Theory [math.IT] %Z Engineering Sciences [physics]/Signal and Image processing %Z Engineering Sciences [physics]/ElectronicsConference papers %X —When designing new solutions for Low Power Wide Area (LPWA) networks, coexistence and integration into existing 4G frameworks should be considered to ease the deployment procedure and reduce costs. In a previous work, Turbo-Frequency Shift Keying (FSK) was proposed as a potential physical layer for LPWA networks. We propose to study the system in the Orthogonal Frequency Division Multiplexing (OFDM) framework , currently used by existing cellular networks and also considered for the recently standardized Narrow-Band IoT. The new architectures of the Turbo-FSK transmitter and receiver are presented. Simulations are run under various conditions including Rayleigh fading channel with mobility, demonstrating the Turbo-FSK scheme to achieve performance close to Turbo-Coded OFDM. The scheme also exhibits a constant envelope, which may multiply the Power Amplifier (PA) efficiency by up to a factor of 2 and makes the solution a promising candidate for 5G LPWA transmission. %G English %2 https://cea.hal.science/cea-01846022/document %2 https://cea.hal.science/cea-01846022/file/1570425160.pdf %L cea-01846022 %U https://cea.hal.science/cea-01846022 %~ CEA %~ UGA %~ INPG %~ INSMI %~ DRT %~ LETI %~ CEA-GRE %~ ANR