Analysis of Filter Bank Multi-Carrier system for 5G communications

Patchala, Sarala; Sailaja, M.

doi:10.5815/ijwmt.2019.04.04

Cited by 8 publications

(8 citation statements)

References 9 publications

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“…The range of scaling factor is 0 ≤ s ≤ 0.5. Implementing FBMC will improve spectrum efficiency while addressing the challenges of complexity and high PAPR [6]. In a traditional VLC scheme based on OFDM or FBMC, bias values equal to the absolute minimum value are applied.…”

Section: Resultsmentioning

confidence: 99%

“…FBMC technique has several advantages compared to the OFDM technique, such as (i) Less radiation outside the required bandwidth, (ii) signal must be transmitted without cyclic prefix (iii) High robust for environmental problems. Furthermore, because of pulse shaping filters, FBMC has lower spectral side lobes than traditional OFDM systems, implying that the FBMC has customizable parameters and asynchronous transmission capabilities [6]. OFDM/offset quadrature amplitude modulation (OFDM/OQAM) has been considered an appealing alternative to traditional OFDM due to higher spectrum efficiency brought about by removing CP and lower out-of-band radiation using a specially designed filter bank [7].…”

Section: Introductionmentioning

confidence: 99%

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Three-Layer PAPR Reduction Technique for FBMC Based VLC Systems

et al. 2021

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In this paper, a new non-redundant three-layer peak-to-average power ratio (PAPR) reduction technique is proposed for filter bank multicarrier communication based visible light communication (FBMC based VLC) systems. In the proposed technique, the FBMC based VLC data signal is overlapped with two new non-redundant signals. The initial-layer signals are the FBMC modulated signals. For PAPR reduction, the second-layer signals are constructed to decrease initial-layer large-amplitude signals, while the last-layer signals are used to improve the initial-layer small-amplitude signals. The two non-redundant signals do not overlap with the data signals in the frequency domain, because data signals are distributed on odd subcarriers, while even subcarriers are occupied by the constructed signals. To mitigate the effect of large-amplitude signal reduction in the proposed technique, the negative signals are converted into positive, rather than being clipped off as in conventional FBMC based VLC systems. In order to realize a trade-off between PAPR reduction and bit error rate (BER), we introduce a scaling factor in the converted signals. The performance of the proposed technique is calculated in terms of complementary cumulative distribution function (CCDF) and BER. The obtained results indicate that FBMC based VLC systems with the proposed technique can achieve a good trade-off between PAPR reduction and BER and outperforms the corresponding orthogonal frequency division multiplexing (OFDM) based VLC systems.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Three-Layer PAPR Reduction Technique for FBMC Based VLC Systems

et al. 2021

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“…The first case is the basic FBMC framework with single input single output (SISO) model based upon Quadrature Amplitude modulation for 256 subcarriers and an overlapping factor K = 4. The E b N0 is set for the range of [−5, 25]dB, resulting in SNR range as, For AWGN: [−5, −2], [−2, 1], [1,4], [4,7] dB For SUI-4: [−3, 4], [4,11], [11,18], [18,25] dB Throughput: R 1 , R 2 , R 3 , R 4 [2,4], [4,6], [6,8], [8,10] Mbps…”

Section: Fbmc/qam Without Encodingmentioning

confidence: 99%

“…The elimination of CP, the transmitter and receiver filter banks and the utilization of Offset-QAM modulation results in ISI and ICI reduction ad in term provides improvement in system efficiency. [8][9][10][11][12].…”

Section: Introductionmentioning

confidence: 99%

Dynamic Link Adaptation For Filterband Multicarrier In Networks With Diverse Service Quality And Throughput Requirements

Tiwana

Zeeshan

Ashraf

et al. 2021

Preprint

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The fast evolution in wireless communication standards and enhancement in cellular applications has created an exponential rise in the data rate requirement over the past few decades. The next generation wireless standards, therefore, need not only to provide ultra high data rates with minimum latency, but also to support diverse quality-of-service (QoS) requirements. Filterbank multicarrier (FBMC) scheme provides quite a few advantages over the conventional orthogonal frequency division multiplexing (OFDM) for future wire- less networks. In order to achieve adaptive throughput and diverse service quality requirements under varying channel conditions, a link adaptation algorithm for FBMC scheme is proposed in this paper. The aim is to provide the dynamic selection of optimum parameters resulting in diverse modes of operation to ensure the desired and/or best available communication service quality. The proposed link adaptation algorithm incorporates the parameters of required data rate, available channel condition and QoS demand, and dynamically allocates the appropriate FBMC transmission parameters. The proposed scheme has been evaluated for AWGN as well as multipath fading SUI channel models. Simulation results indicate that the proposed algorithm successfully achieves the desired service quality subject to the availability of suitable channel conditions and is also superior to the existing algorithms in terms of block error rate and effective throughput.

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“…Few significant benefits are less radiation outside the required bandwidth, the signal must be transmitted without cyclic prefix, and high environmental robustness. In addition, pulse shaping filters ensure that the FBMC can change parameters and asynchronous transmission with lower spectral side lobes than traditional OFDM systems [14].…”

Section: Introductionmentioning

confidence: 99%

PAPR reduction technique for FBMC based visible light communication systems

et al. 2022

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One of the critical challenges in multicarrier-based systems is peak to average power ratio (PAPR). Recently, Filter Bank Multicarrier (FBMC) is proved to be a promising candidate that can replace the traditional orthogonal multiplexing division (OFDM) scheme due to its better spectral efficiency, reducing both inter-channel interference (ICI) and PAPR. Due to their advantages in reducing the PAPR without impacting the BER, the Hadamard transform was used in the proposed FBMC based VLC system. Furthermore, here, the discreet cosine transform (DCT) precoding is also used to boost the potential for PAPR reduction and the BER efficiency. The negative signals are not clipped off as in traditional asymmetrically-clipped optical OFDM (ACO-OFDM) signals to reduce the impact of large-amplitude signal reduction nor add dc biasing for cancelling negative signals as in traditional DC-biased optical OFDM (DCO-OFDM) signals. Furthermore, a Clipping ratio is introduced to allow a trade-off between bit error rate (BER) and PAPR reduction, and the optimal PAPR reduction is investigated. The obtained results show that the proposed FBMC based VLC system with DCT and clipping technique can reduce the PAPR and achieve good BER efficiency compared to the OFDM based VLC system.

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Analysis of Filter Bank Multi-Carrier system for 5G communications

Cited by 8 publications

References 9 publications

Three-Layer PAPR Reduction Technique for FBMC Based VLC Systems

Three-Layer PAPR Reduction Technique for FBMC Based VLC Systems

Dynamic Link Adaptation For Filterband Multicarrier In Networks With Diverse Service Quality And Throughput Requirements

PAPR reduction technique for FBMC based visible light communication systems

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