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Due to its attractive properties, generalized frequency division multiplexing (GFDM) is recently being discussed as a candidate waveform for the fifth generation of wireless communication systems (5G). GFDM is introduced as a generalized…

Information Theory · Computer Science 2016-04-20 Arman Farhang , Nicola Marchetti , Linda E. Doyle

This paper explores the flexibility of generalized frequency division multiplexing (GFDM) for achieving the same performance as filter bank multicarrier (FBMC). We present a GFDM configuration where the good spectral containment of FBMC is…

Signal Processing · Electrical Eng. & Systems 2019-02-27 Ivo Bizon Franco de Almeida , Luciano Leonel Mendes

In this paper, a new matrix-based characterization of generalized-frequency-division-multiplexing (GFDM) transmitter matrices is proposed, as opposed to traditional vector-based characterization with prototype filters. The characterization…

Information Theory · Computer Science 2017-10-11 Po-Chih Chen , Borching Su , Yenming Huang

Future wireless communication systems are demanding a more flexible physical layer. GFDM is a block filtered multicarrier modulation scheme proposed to add multiple degrees of freedom and cover other waveforms in a single framework. In this…

Information Theory · Computer Science 2015-06-11 Ivan Gaspar , Maximilian Matthé , Nicola Michailow , Luciano Leonel Mendes , Dan Zhang , Gerhard Fettweis

Spectral efficiency is a key design issue for all wireless communication systems. Orthogonal frequency division multiplexing (OFDM) is a very well-known technique for efficient data transmission over many carriers overlapped in frequency.…

Networking and Internet Architecture · Computer Science 2013-03-28 R. G. Clegg , S. Isam , I. Kanaris , I. Darwazeh

In this work, we propose a novel low complexity Generalised Frequency Division Multiplexing (GFDM) transceiver design. GFDM modulation matrix is factorized into FFT matrices and a diagonal matrix to design low complexity GFDM transmitter.…

Information Theory · Computer Science 2018-11-19 Shashank Tiwari , Suvra Sekhar Das

Fifth generation (5G) wireless systems are expected to combine emerging transmission technologies, such as large-scale multiple-input multiple-output (MIMO) and non-orthogonal multi-carrier waveforms, to improve the spectral efficiency and…

Information Theory · Computer Science 2015-12-02 Nihat Engin Tunali , Michael Wu , Chris Dick , Christoph Studer

The deployment of millimeter wave (mmWave) multiple-input multiple-output (MIMO) systems cannot rely solely on digital precoding due to hardware constraints. Instead, hybrid precoding, which combines digital and radio frequency (RF)…

Signal Processing · Electrical Eng. & Systems 2025-09-16 Navid Reyhanian , Reza Ghaderi Zefreh , Parisa Ramezani , Emil Björnson

Generalized spatial modulation-aided affine frequency division multiplexing (GSM-AFDM) is conceived for reliable multiple-input multiple-output (MIMO) communications over doubly selective channels. \textcolor{black}{We commence by proposing…

Signal Processing · Electrical Eng. & Systems 2025-09-18 Zeping Sui , Zilong Liu , Leila Musavian , Lie-Liang Yang , Lajos Hanzo

Index modulation (IM) techniques can be applied to the different media in order to achieve spectral- and energy-efficient communication as well as to the indices of the subcarriers of a generalized frequency division multiplexing (GFDM)…

Information Theory · Computer Science 2018-06-13 Merve Yüzgeçcioğlu , Eduard Jorswieck

Generalized frequency division multiplexing (GFDM) is suitable for cognitive radio (CR) networks due to its low out-of-band (OOB) emission and high spectral efficiency. In this paper, we thus consider the use of GFDM to allow an unlicensed…

Signal Processing · Electrical Eng. & Systems 2018-03-12 A. Mohammadian , M. Baghani , C. Tellambura

With the emergence of new applications (e.g., extended reality and haptics), which require to be simultaneously served not just with low latency and sufficient reliability, but also with high spectral efficiency, future networks (i.e., 6G)…

Signal Processing · Electrical Eng. & Systems 2020-03-06 Jehad M. Hamamreh , Abdulwahab Hajar , Mohamedou Abewa

Generalized frequency division multiplexing (GFDM) is considered a non-orthogonal waveform and known to encounter difficulties when using in the spatial multiplexing mode of multiple-input-multiple-output (MIMO) scenario. In this paper, a…

Information Theory · Computer Science 2024-10-30 Ching-Lun Tai , Borching Su , Cai Jia

In this paper, we identified the challenges and requirements for the waveform design of the fifth generation mobile communication networks (5G) and compared Orthogonal frequency-division multiplexing (OFDM) based waveforms with Filter Bank…

Signal Processing · Electrical Eng. & Systems 2018-03-09 Yinan Qi , Mohammed Al-Imari

The conventional receiver designs of generalized frequency division multiplexing (GFDM) consider a large scale multiple-input multiple-output (MIMO) system with a block circular matrix of combined channel and modulation. Exploiting this…

Signal Processing · Electrical Eng. & Systems 2018-12-17 Ahmad Nimr , Marwa Chafii , Gerhard Fettweis

As a candidate waveform for next-generation wireless communications, generalized frequency division multiplexing (GFDM) features several decent properties which make it promising. In this paper, we systematically overview the research about…

Information Theory · Computer Science 2020-08-21 Ching-Lun Tai , Tzu-Han Wang , Yu-Hua Huang

We consider spectrally-precoded OFDM waveforms for 5G wideband transmission in sub-6GHz band. In this densely packed spectrum, a low out-of-band (OOB) waveform is a critical 5G component to achieve the promised high spectral efficiency. By…

Information Theory · Computer Science 2016-06-03 Renaud-Alexandre Pitaval , Branislav M. Popović , Medhat Mohamad , Rickard Nilsson , Jaap van de Beek

High data rates are one of the most prevalent requirements in current mobile communications. To cover this and other high standards regarding performance, increasing coverage, capacity, and reliability, numerous works have proposed the…

Information Theory · Computer Science 2023-07-26 Gabriela Morillo , John Cosmas

In this paper, we consider the problem of preamble design in multiple-input multiple-output (MIMO) systems employing offset quadrature amplitude modulation based filter bank multicarrier (OQAM/FBMC) and propose a preamble optimization…

Information Theory · Computer Science 2018-02-13 Wenfeng Liu , Da Chen , Kai Luo , Tao Jiang , Daiming Qu

The orthogonal frequency division multiplexing is a very efficient modulation technique that can achieve very high throughput by transmitting many carriers simultaneously and it is spectrally efficient because of the proximity of the…

Signal Processing · Electrical Eng. & Systems 2022-06-07 Usha S. M , Mahesh H. B
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