Results 131 to 140 of about 1,164 (170)
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Coordinated beamforming in MIMO FBMC/OQAM systems
2014 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2014In this contribution, we propose a coordinated transmit beamforming technique for point-to-point multiple-input-multiple-output (MIMO) filter bank based multi-carrier with offset quadrature amplitude modulation (FBMC/OQAM) systems. To enable reliable transmissions when the number of transmit antennas does not exceed the number of receive antennas and ...
Yao Cheng 0001, Peng Li, Martin Haardt
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Generalized Synchronization Algorithms for FBMC-OQAM Systems
IEEE Transactions on Vehicular Technology, 2018Synchronization is one of the critical issues for wireless communications. In this paper, we present low-complexity joint timing and carrier frequency offsets synchronization algorithms for filter-bank multicarrier with offset quadrature amplitude modulation (FBMC-OQAM) systems by exploiting two uncorrelated consecutive real training symbols based on ...
Hyunwoo Cho, Xiaoli Ma
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FBMC/OQAM equalization: Exploiting the imaginary interference
2012 IEEE 23rd International Symposium on Personal, Indoor and Mobile Radio Communications - (PIMRC), 2012Filter bank based multicarrier (FBMC) modulations have recently gained a great interest. Indeed, when coupled with an Offset QAM (OQAM) coding on each sub-carrier, FBMC/OQAM can reach the maximum Nyquist rate and provide a compact spectrum. However, as with this modulation scheme no cyclic prefix is used, equalizers more efficient than a simple 1-tap ...
Gaëtan Ndo, Hao Lin, Pierre Siohan
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Synchronization Sequence Design for FBMC/OQAM Systems
IEEE Transactions on Wireless Communications, 2016In this paper, we propose a new sequence generation methodology to make a constant amplitude zero autocorrelation (CAZAC) preamble available in offset Quadrature Amplitude Modulation-based filter bank multicarrier (FBMC) synchronization. The role of the new sequence is to compensate the filtering and symbol overlap of the FBMC structure so as to ...
Wonsuk Chung +3 more
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Enabling Low-Complexity MIMO in FBMC-OQAM
2016 IEEE Globecom Workshops (GC Wkshps), 2016Filter Bank Multi-Carrier (FBMC) offers superior spectral properties compared to Orthogonal Frequency Division Multiplexing (OFDM), at the cost of imaginary interference, which makes the application of Multiple-Input and Multiple-Output (MIMO) more challenging.
Ronald Nissel, Markus Rupp
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Efficient multitap equalization for FBMC‐OQAM systems
Transactions on Emerging Telecommunications Technologies, 2019AbstractThis work provides a simple yet efficient multitap equalization structure for filter bank multicarrier systems, which is a candidate waveform for the next generation (5G) of mobile communication systems. More specifically, we analyze the system performance under medium‐ to high‐frequency selective channels.
David William Marques Guerra +1 more
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Spectral performances of PAPR reduced FBMC/OQAM signals
2016 International Symposium on Wireless Communication Systems (ISWCS), 2016This article presents the evaluation of out-of-band spectral pollution caused by the nonlinearities of the PA at the RF front-end for FBMC/OQAM signals, as well as the improvement of those spectral performances thanks to an envelope dynamic reduction method based on precoding.
Valette, Agathe +5 more
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Low-Complexity Pipelined Architecture for FBMC/OQAM Transmitter
IEEE Transactions on Circuits and Systems II: Express Briefs, 2016Filter-bank multi-carrier with offset quadrature amplitude modulation (FBMC/OQAM) is considered by recent research projects as a key enabler for the future 5G air interface. It exhibits better spectrum shape and improves mobility support compared to orthogonal frequency-division multiplexing (OFDM).
Nadal, Jérémy +2 more
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On the Use of Precoding in FBMC/OQAM Systems
Anais de VII International Telecommunications Symposium, 2010Abstract?Linear precoding can be applied to multicarrier systems to minimize the effect that a deep fade in one of the subchannels can have on the overall bit error ratio when the transmitter does not have channel state information (CSI). But for filterbank multicarrier (FBMC) systems, which were proposed to overcome the poor spectral characteristics ...
Sens Chang, Bruno +3 more
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FBMC-OQAM with phase noise: Achievable performance and compensation
2017 IEEE 18th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC), 2017Utilization of millimeter-wave bands by next generation mobile networks is expected to make extremely high data rates realizable. However, at such high frequencies, phase noise (PHN) can significantly affect the performance of the communication system.
Anastasios Kakkavas +5 more
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