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Motivated by the looming "capacity crunch" in fiber-optic networks, information transmission over such systems is revisited. Among numerous distortions, inter-channel interference in multiuser wavelength-division multiplexing (WDM) is…

Information Theory · Computer Science 2014-10-09 Mansoor I. Yousefi , Frank R. Kschischang

In filter-bank multicarrier (FBMC) systems the intrinsic interference is the major challenge to achieve a full gain of diversity over multi-input multi-output (MIMO) channels. In this paper, we develop a novel multicarrier system called…

Signal Processing · Electrical Eng. & Systems 2020-06-09 Mohammad Towliat

Index modulation (IM) is one of the key enabling technologies for beyond fifth generation (B5G) and sixth generation (6G) wireless systems, attracting attention for its inherent energy and spectral efficiency resulting from conveying…

Signal Processing · Electrical Eng. & Systems 2025-03-04 Hyeon Seok Rou , Giuseppe Thadeu Freitas de Abreu , Takumi Takahashi , David González G. , Osvaldo Gonsa

Filter bank-based multicarrier (FBMC) systems have attracted increasing attention recently in view of their many advantages over the classical cyclic prefix (CP)-based orthogonal frequency division multiplexing (CP-OFDM) modulation.…

Signal Processing · Electrical Eng. & Systems 2020-07-15 Eleftherios Kofidis

Interference at the radio receiver is a key source of degradation in quality of service of wireless communication systems. This paper presents a unified framework for OFDM/FBMC interference characterization and analysis in asynchronous…

Networking and Internet Architecture · Computer Science 2011-08-03 Yahia Medjahdi , Michel Terré , Didier Le Ruyet , Daniel Roviras

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

Index modulation (IM) is one of the candidate technologies for the upcoming sixth generation (6G) wireless communications networks. In this paper, we propose a space-time-modulated reconfigurable intelligent metasurface (RI-MTS) that is…

Applied Physics · Physics 2020-12-30 John A. Hodge , Kumar Vijay Mishra , Amir I. Zaghloul

The recently proposed affine frequency division multiplexing (AFDM) is a new transmission waveform that has shown excellent performance in high-mobility environments, making it a sensible option for the next-generation wireless networks. In…

Information Theory · Computer Science 2025-07-15 Mi Qian , Fei Ji , Yao Ge , Miaowen Wen , Yong Liang Guan

Delay alignment modulation (DAM) is a novel transmission technique for wireless systems with high spatial resolution by leveraging delay compensation and path-based beamforming, to mitigate the inter-symbol interference (ISI) without…

Signal Processing · Electrical Eng. & Systems 2024-07-31 Zhiwen Zhou , Zhiqiang Xiao , Yong Zeng

As the number of IoT devices continue to exponentially increase and saturate the wireless spectrum, there is a dire need for additional spectrum to support large networks of wireless devices. Over the past years, many promising solutions…

Networking and Internet Architecture · Computer Science 2018-04-26 Zerina Kapetanovic , Vamsi Talla , Aaron Parks , Jing Qian , Joshua R. Smith

Delay alignment modulation (DAM) is a promising technology to achieve ISI-free wideband communication, by leveraging delay compensation and path-based beamforming, rather than the conventional channel equalization or multi-carrier…

Information Theory · Computer Science 2023-08-21 Haiquan Lu , Yong Zeng , Shi Jin , Rui Zhang

A joint design of both sensing and communication can lead to substantial enhancement for both subsystems in terms of size, cost as well as spectrum and hardware efficiency. In the last decade, integrated sensing and communications (ISAC)…

Signal Processing · Electrical Eng. & Systems 2024-08-13 Ahmet M. Elbir , Abdulkadir Celik , Ahmed M. Eltawil , Moeness G. Amin

Filter bank multi-carrier with offset quadrature amplitude modulation (FBMC/OQAM) has been heavily studied as an alternative waveform for 5G systems. Its advantages of higher spectrum efficiency, localized frequency response and…

Information Theory · Computer Science 2015-09-30 Pengfei Sun , Fang Yuan , Bin Yu , Dalin Zhu

The wireless revolution has already started with the specified vision, overall objectives, and the first official 3GPP release of 5th generation (5G) wireless networks. Despite the development of several modern communication technologies,…

Information Theory · Computer Science 2018-11-22 Ertugrul Basar

With the development of wireless network technologies, the wireless image transmission area has become prominent. The need for high resolution, data traffic density, widespread use of multimedia applications, and the importance of high rate…

Signal Processing · Electrical Eng. & Systems 2025-07-15 Burak Ahmet Ozden , Erdogan Aydin , Ahmet Elbir , Filiz Gurkan

6G networks are expected to provide more diverse capabilities than their predecessors and are likely to support applications beyond current mobile applications, such as virtual and augmented reality (VR/AR), AI, and the Internet of Things…

Information Theory · Computer Science 2024-01-24 Md Saheed Ullah , Zulqarnain Bin Ashraf , Sudipta Chandra Sarker

For the Internet of Things (IoT), there might be a large number of devices to be connected to the Internet through wireless technologies. In general, IoT devices would have various constraints due to limited processing capability, memory,…

Information Theory · Computer Science 2020-01-08 Jinho Choi

Multidimensional Index Modulations (IM) are a novel alternative to conventional modulations which can bring considerable benefits for future wireless networks. Within this scope, in this paper we present a new scheme, named as…

Signal Processing · Electrical Eng. & Systems 2021-08-09 Vasco Velez , Joao Pedro Pavia , Nuno Souto , Pedro Sebastiao , Americo Correia

Due to the crowded spectrum, frequency hopping (FH) techniques are now very difficult to achieve efficient antijamming and increase spectrum efficiency (SE) for wireless communications. The emerging orbital angular momentum (OAM), which is…

Signal Processing · Electrical Eng. & Systems 2024-07-18 Liping Liang , Wenchi Cheng , Wei Zhang , Hailin Zhang

Unlike in conventional modulation where information bits are conveyed only through symbols from modulation alphabets defined in the complex plane (e.g., quadrature amplitude modulation (QAM), phase shift keying (PSK)), in index modulation…

Information Theory · Computer Science 2016-11-18 T. Datta , H. S. Eshwaraiah , A. Chockalingam