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Interference widely exists in communication systems and is often not optimally treated at the receivers due to limited knowledge and/or computational burden. Evolutions of receivers have been proposed to balance complexity and spectral…

Information Theory · Computer Science 2025-11-14 Sibo Zhang , Bruno Clerckx

Integrated Sensing and Communication (ISAC) systems are recognised as one of the key ingredients of the sixth generation (6G) network. A challenging topic in ISAC is the design of a single waveform combining both communication and sensing…

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

Successive interference cancellation is used to detect discrete modulation symbols transmitted over a 1000 km fiber-optic link. A transmitter and receiver are presented that have linear complexity in the number of transmitted symbols and…

Information Theory · Computer Science 2024-05-07 Alex Jäger , Gerhard Kramer

An important challenge of wireless networks is to boost the cell edge performance and enable multi-stream transmissions to cell edge users. Interference mitigation techniques relying on multiple antennas and coordination among cells are…

Information Theory · Computer Science 2016-11-17 Bruno Clerckx , Heunchul Lee , Young-Jun Hong , Gil Kim

Joint communication and sensing (JCAS) has the potential to improve the overall energy, cost and frequency efficiency of IoT systems. As a first effort, we propose to optimize the MIMO-OFDM data symbols carried by sub-carriers for better…

Signal Processing · Electrical Eng. & Systems 2022-08-23 Kai Wu , J. Andrew Zhang , Zhitong Ni , Xiaojing Huang , Y. Jay Guo , Shanzhi Chen

Emerging applications such as autonomous driving and Internet of things (IoT) services put forward the demand for simutaneous sensing and communication functions in the same system. Integrated sensing and communication (ISAC) has the…

Networking and Internet Architecture · Computer Science 2024-03-26 Yangyang Niu , Zhiqing Wei , Lin Wang , Huici Wu , Zhiyong Feng

Delay alignment modulation (DAM) has been recently proposed to enable inter-symbol interference (ISI)-free single-carrier (SC) communication without relying on sophisticated channel equalization. The key idea of DAM is to pre-introduce…

Signal Processing · Electrical Eng. & Systems 2022-06-09 Zhiqiang Xiao , Yong Zeng

Each generation of cellular communication systems is marked by a defining disruptive technology of its time, such as orthogonal frequency division multiplexing (OFDM) for 4G or Massive multiple-input multiple-output (MIMO) for 5G. Since…

Networking and Internet Architecture · Computer Science 2021-05-03 Jakob Hoydis , Fayçal Ait Aoudia , Alvaro Valcarce , Harish Viswanathan

Orthogonal frequency division multiplexing (OFDM) has been recently recognized as inadequate to meet the increased requirements of the next generation of communication systems. A number of alternative modulation solutions, based on the use…

Information Theory · Computer Science 2016-07-14 Konstantinos Maliatsos , Eleftherios Kofidis , Athanasios Kanatas

Conventional orthogonal frequency division multiplexing (OFDM) waveform design in integrated sensing and communications (ISAC) systems usually selects the channels with high-frequency responses to transmit communication data, which does not…

Signal Processing · Electrical Eng. & Systems 2023-12-27 Qinghui Lu , Zhen Du , Zenghui Zhang

Next-generation vehicular networks are expected to provide the capability of robust environmental sensing in addition to reliable communications to meet intelligence requirements. A promising solution is the integrated sensing and…

Signal Processing · Electrical Eng. & Systems 2023-11-28 Weijie Yuan , Lin Zhou , Saeid K. Dehkordi , Shuangyang Li , Pingzhi Fan , Giuseppe Caire , H. Vincent Poor

Index modulation (IM) has recently emerged as a promising concept for spectrum and energy-efficient next generation wireless communications systems since it strikes a good balance among error performance, complexity, and spectral…

Signal Processing · Electrical Eng. & Systems 2018-04-18 Adnan Zafar , Aijun Cao , Mahmoud Abdullahi , Lei Zhang , Pei Xiao , Muhammad Ali Imran

Diffusion models (DMs) have recently achieved significant success in wireless communications systems due to their denoising capabilities. The broadcast nature of wireless signals makes them susceptible not only to Gaussian noise, but also…

Information Theory · Computer Science 2025-05-27 Tong Wu , Zhiyong Chen , Dazhi He , Feng Yang , Meixia Tao , Xiaodong Xu , Wenjun Zhang , Ping Zhang

Integrated sensing and communication (ISAC) is one of the key usage scenarios for future sixth-generation (6G) mobile communication networks, where communication and sensing (C&S) services are simultaneously provided through shared wireless…

Integrated sensing and communication (ISAC) can substantially improve spectral, hardware, and energy efficiency by unifying radar sensing and data communications. In wideband and scattering-rich environments, clutter often dominates weak…

Signal Processing · Electrical Eng. & Systems 2026-03-19 Rang Liu , Peishi Li , Ming Li , A. Lee Swindlehurst

In this letter, we study the ambient backscatter communication systems over frequency-selective channels. Specifically, we propose an interference-free transceiver design to facilitate signal detection at the reader. Our design utilizes the…

Information Theory · Computer Science 2019-01-07 Chong Zhang , Gongpu Wang , Panagiotis D. Diamantoulakis , Feifei Gao , George K. Karagiannidis

We propose a coordinated FMCW-OFDM (Co-FMCW-OFDM) system that enables integrated sensing and communication (ISAC) by allowing sensing and communication to share the same RF front end, antennas, and spectral resources. In the proposed ISAC…

Information Theory · Computer Science 2025-10-01 Yuhong Wang , Yonghong Zeng , Sumei Sun , Xiaojuan Zhang

The next generation communication systems are evolving towards an increased flexibility in different aspects. Enhanced flexibility is the key in order to address diverse requirements. This paper presents the significance of adaptive guards…

Signal Processing · Electrical Eng. & Systems 2019-02-19 Ali Fatih Demir , Huseyin Arslan

This paper focuses on an integrated sensing and communication (ISAC) system in the presence of signal-dependent modulated jamming (SDMJ). Our goal is to suppress jamming while carrying out simultaneous communications and sensing. We…

Signal Processing · Electrical Eng. & Systems 2025-03-20 Yu Zhou , Qiao Shi , Zhengchun Zhou , Zilong Liu , Pingzhi Fan