PerformanceAnalysisofOFDM,FBMC,UFMC
(5GPhysicalLayer)
UthiraMohan,BadhrinarayanParthasarathi
Abstract: The purpose of this project is to compare the proposed 5G modulaon techniques
FBMC and UFMC against OFDM which is the modulaon technique used in 4G communicaons.
We compare key parameters of these modulaon techniques to analyze the merits of each
candidate. The parameters Power spectral density, spectral efficiency, Bit Error rate and Peak to
averagepowerraoareconsideredforevaluaon.TheprojectisimplementedusingMATLAB.
I. Introduction:
The rise of mobile devices in today’s world has led to a dramac increase in load of exisng
communicaon networks. It has become a necessity for these networks to greatly improve their
data rates and reliability to cope up with the ever increasing mobile traffic. The 4G technology
brought a significant improvement in Data rate and reliability. The OFDM modulaon technique
used for 4G is capable of very high data rates. However, the use of cyclic prefixes and guard
bands to avoid too big sidelobes, results in a loss of 16% of spectral efficiency compared to
theorecal performance. Several modulaon techniques have been proposed to solve the
shortcomings of the OFDM technique. Although OFDM has been a great success and sll has
many advantages, there are many ideas for new 5G waveforms that could bring addional
advantages to the new cellular system under certain condions and circumstances. The
potenal requirement includes high speed data, provide low latency transmissions and energy
efficient communicaons. No single waveform provides all the advantages and answers that are
needed. This might result in 5G having an adapve soluon using opmal waveform for a given
situaon. There are several modulaon techniques that are being considered for 5G. These
include Filter Bank Mul‐Carrier (FBMC), Universal Filtered Mul‐Carrier (UFMC) and
