Abstract
The requirements of 5G wireless communication systems are low PAPR (Peak to Average Power Ratio), low latency, high throughput, low computational complexity and high spectral efficiency. All these requirements are not satisfied with one technique because in 5G there is a tradeoff between these requirements. OFDM has the drawbacks of high Peak to Average Power Ratio (PAPR), less spectral efficiency and SC-FDMA is having an advantage of Low PAPR and having all the drawbacks of OFDM. To overcome all these drawbacks, an innovative modulation technique namely Pruned DFT incorporate with one tap scaling has been suggested by Ronald Nissel et.al by combining the advantages of FBMC-OQAM and SC-FDMA. This method is having an advantage of Low PAPR similar to SC-FDMA, Low Latency, High Throughput, and Lower OOB emissions. 5G applications like Robotic surgeries, Driverless cars, Giga bits per second etc require these advantages. In this paper, Pruned DFT Spread FBMC (PDFTSFBMC) system has been simulated and tested against 3GPP defined fading profiles of EPA (Extended Pedestrian A), EVA (Extended Vehicular A), and ETU (Extended Typical Urban), which is a necessary component for a mobile communication system. From the results it has been observed that the proposed 5G FBMC system is suitable for Ultra reliable and low latency applications where low PAPR, lower bit error rate (BER), high throughput are the key requirements for 5G communications.
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