Studying Applicability Feasibility of OFDM in Upcoming 5G Network

K.P, Nagapushpa; N, Chitra Kiran

doi:10.14569/ijacsa.2017.080128

Cited by 2 publications

(1 citation statement)

References 49 publications

(41 reference statements)

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“…Thanks to its simplicity of implementation through the use of Fourier Transform. OFDM is the basic technology used in wireless communication such as WiFi, WiMAX [1], [2], [3], 4G [4] and 5G [5], [6], [7], [8]. However, it has a major drawback caused by the high value of Peak To Average Power Ratio (PAPR) defined as the ratio between the maximum power and the average power of an OFDM signal.…”

Section: Introductionmentioning

confidence: 99%

A New Algorithm to Reduce Peak to Average Power Ratio in OFDM Systems based on BCH Codes

Bakkas¹,

Benkhouya²,

Chaayra³

et al. 2021

IJACSA

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Orthogonal Frequency Division Multiplexing (OFDM) has a great peak-to-average power ratio (PAPR). This will reduce the performance of the power amplifier (PA). Therefore, PAPR deteriorates the overall energy efficiency of an OFDM system. Peak Insertion (PI) is one of the most commonly used methods to reduce PAPR, it gives the best reduction in PAPR. Therefore, it causes a strong degradation in Bit Error Rate (BER). To solve this problem, we propose a new algorithm called BCB-OFDM based on Bose Chaudhuri Hocquenghem Codes (BCHs) and PI. BCB is implemented in OFDM system with Quadrature Amplitude Modulation (QAM) and two coding rates 1/2 and 1/4 over an Additive White Gaussian Noise (AWGN) channel. Simulation results show that the BCB is very interesting and achieve a good value in terms of PAPR reduction with keeping good performance compared with PI and normal OFDM. In addition, BCB algorithm is simple, robust, and leaves no requirement side information with more flexibility to choose between PAPR reduction and BER performances.

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Section: Introductionmentioning

confidence: 99%

A New Algorithm to Reduce Peak to Average Power Ratio in OFDM Systems based on BCH Codes

Bakkas¹,

Benkhouya²,

Chaayra³

et al. 2021

IJACSA

View full text Add to dashboard Cite

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Performance of the Candidate Modulation Wave-forms for 5G Communication Systems

Acquah¹,

Krampah-Nkoom²,

Adjei³

2020

IJSRP

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In surveillance of the contemporary swift growth of progressing networks, attention has been enthralled mostly on the operational properties of multifaceted networks in wireless communications. A number of mammoth simulated networks of this thoughtful have lately been fashioned, which opens an extensive field for the study of their topology, advancement, and the intricate processes which transpire in them. Fifth Generation (5G) will have to survive with a high degree of heterogeneity in relations to services and necessities. Amid these end, the malleable and well-organized use of non-contiguous unexploited spectrum for diverse network disposition scenarios is well-thought-out a key encounter for 5G, New Radio (NR) systems. Furthermore, this study weighs and equates the complexity of the different waveforms. Keen valuations on Spectral Efficiency, Power Spectral Density, Peak-to-Average Power Ratio and robustness to asynchronous multi-user uplink transmission have been explored in this study. The reimbursements of these new wave-form for the anticipated 5G uses cases are noticeably highlighted on illustrative standards and experiments. Each network will be accountable for handling user-mobility, although the terminal will make the final optimal among different wireless/mobile access network suppliers for a given service. The main impact of this study is definition of 5G mobile network perception, which is seen as user-centric notion in its place of operator-centric as in Third Generation (3G) or service-centric concept as seen for Fourth Generation (4G). The 5G terminals will have software distinct radios and modulation scheme as well as new error-control schemes can be downloaded from the Internet on the run. The growth is seen towards the user terminals as an emphasis of the 5G mobile networks. The theoretical results are further verified using Matlab evaluations for Spectral Efficiency, Power Spectral Density and Peak-to-Average ratio. The evaluation results reveal that if an apriori information on the Signal-to-Noise Ratio (SNR) is present, it is possible to highly increase the Spectral Efficiency (SE) of the transmission.

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Studying Applicability Feasibility of OFDM in Upcoming 5G Network

Cited by 2 publications

References 49 publications

A New Algorithm to Reduce Peak to Average Power Ratio in OFDM Systems based on BCH Codes

A New Algorithm to Reduce Peak to Average Power Ratio in OFDM Systems based on BCH Codes

Performance of the Candidate Modulation Wave-forms for 5G Communication Systems

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