OFDM Technique for 4G and Different Proposed Techniques for 5G - A Review
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2017, Vol 5, Issue 5
Abstract
With the increasing demand of high data rates and the arrival of new ideas like Internet of things (IOT), machine to machine communication (M2M), and fifth generation (5G), the current OFDM technique does not suffice the need so is unsuitable for future 5G wireless networks. Although the current serving technique for the fourth-generation (4G) mobile communication is OFDM which is also applied in various other systems like Wi-MAX. However, the OFDM has some limitations like PAPR, OOB, and use of cyclic prefix (CP). Hence the need for new waveforms candidates like UFMC, FBMC, and GFDM is overwhelmingly welcomed for the 5G air interface. In the year 2020, it is expected that 5G will be deployed in many countries. They aim to provide high spectral efficiency, high speed, greater density of users, high capacity, pseudo outdoor communication etc. This paper gives an overview of OFDM for 4G, best-suited waveform candidates for 5G and lastly shows a performance based comparison of various multicarrier modulation schemes.
Authors and Affiliations
Qazi Nuaman, Deepika Rana
Keywords
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