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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

Affine frequency division multiplexing (AFDM) is a promising waveform for future wireless communication systems. In this paper, we analyze the impact of receiver in-phase and quadrature (IQ) imbalance and residual carrier frequency offset…

Signal Processing · Electrical Eng. & Systems 2025-12-12 Nimesha Gunasekara , Ebrahim Bedeer

The integration of sensing and communication (ISAC) functionalities have recently gained significant research interest as a hardware-, power-, spectrum- and cost- efficient solution. This experimental work focuses on a dual-functional radar…

Signal Processing · Electrical Eng. & Systems 2022-02-10 Tongyang Xu , Fan Liu , Christos Masouros , Izzat Darwazeh

Affine frequency division multiplexing (AFDM) is a promising chirp-assisted multicarrier waveform for future high mobility communications. A significant challenge in MIMO-AFDM systems is the multi-user interference (MUI), which can be…

Signal Processing · Electrical Eng. & Systems 2025-07-01 Jun Zhu , Yin Xu , Dazhi He , Haoyang Li , Yunfeng Guan , Wenjun Zhang

Integrated sensing and communication (ISAC) has opened up numerous game-changing opportunities for future wireless systems. In this paper, we develop a novel scheme that utilizes orthogonal frequency division multiplexing (OFDM) pilot…

Signal Processing · Electrical Eng. & Systems 2024-01-25 Yuhua Jiang , Feifei Gao , Shi Jin

Integrated sensing and communication (ISAC) is a promising paradigm for future wireless systems due to spectrum reuse, hardware sharing, and joint waveform design. In dynamic scenes, Doppler shifts degrade both sensing and communication,…

Signal Processing · Electrical Eng. & Systems 2025-12-04 Yuan Liu , Wen-Xuan Long , M. R. Bhavani Shankar , Marco Moretti , Rui Chen , Björn Ottersten

We study joint transmit-waveform and receive-filter design for a multi-user downlink integrated sensing and communication (ISAC) system under practical constant-modulus and similarity constraints. We cast the design as a unified…

Signal Processing · Electrical Eng. & Systems 2026-02-18 Ngoc-Son Duong , Huyen-Trang Ta , Quang-Tang Ngo , Thi-Hue Duong , Van-Lap Nguyen , Cong-Minh Nguyen , Minh-Tran Nguyen , Thai-Mai Dinh

Orthogonal time frequency space (OTFS) is a promising alternative to orthogonal frequency division multiplexing (OFDM) for high-mobility communications. We propose a novel multiple-input multiple-output (MIMO) integrated sensing and…

Signal Processing · Electrical Eng. & Systems 2023-06-13 Musa Furkan Keskin , Carina Marcus , Olof Eriksson , Alex Alvarado , Joerg Widmer , Henk Wymeersch

A novel dual-function radar communication (DFRC) system is proposed, that achieves high target resolution and high communication rate. It consists of a multiple-input multiple-output (MIMO) radar, where only a small number of antennas are…

Signal Processing · Electrical Eng. & Systems 2021-06-11 Zhaoyi Xu , Athina Petropulu , Shunqiao Sun

Despite the millimeter wave technology fulfills the low-latency and high data transmission, it will cause severe Doppler Frequency Shift (DFS) for high-speed vehicular network, which tremendously damages the communication performance. In…

Signal Processing · Electrical Eng. & Systems 2023-10-12 Jinzhu Jia , Zhiqing Wei , Ruiyun Zhang , Lin Wang

To meet the increasingly demanding quality-of-service requirements of the next-generation multi-carrier mobile networks, it is essential to design multi-functional signalling schemes facilitating efficient, flexible, and reliable…

Signal Processing · Electrical Eng. & Systems 2025-08-11 Zeping Sui , Qu Luo , Zilong Liu , Murat Temiz , Leila Musavian , Christos Masouros , Yong Liang Guan , Pei Xiao , Lajos Hanzo

We describe a novel index modulation (IM) scheme exploiting a unique feature of the recently proposed affine frequency division multiplexing (AFDM) in doubly-dispersive (DD) channels. Dubbed AFDM chirp-permutation-index modulation (CPIM),…

Signal Processing · Electrical Eng. & Systems 2024-05-06 Hyeon Seok Rou , Kein Yukiyoshi , Taku Mikuriya , Giuseppe Thadeu Freitas de Abreu , Naoki Ishikawa

This paper explores the potential of near-field beamforming (NFBF) in integrated sensing and communication (ISAC) systems with extremely large-scale arrays (XL-arrays). The large-scale antenna arrays increase the possibility of having…

Signal Processing · Electrical Eng. & Systems 2023-08-15 Kaiqian Qu , Shuaishuai Guo , Nasir Saeed

Integrated sensing and communication (ISAC) is regarded as the enabling technology in the future 5th-Generation-Advanced (5G-A) and 6th-Generation (6G) mobile communication system. ISAC waveform design is critical in ISAC system. However,…

Information Theory · Computer Science 2023-10-10 Zhiqing Wei , Jinghui Piao , Xin Yuan , Huici Wu , J. Andrew Zhang , Zhiyong Feng , Lin Wang , Ping Zhang

Affine frequency division multiplexing (AFDM) is a strong candidate for the sixth-generation wireless network thanks to its strong resilience to delay-Doppler spreads. In this letter, we investigate the error performance of coded AFDM…

Information Theory · Computer Science 2023-11-28 Haoran Yin

As a next-generation wireless technology, the in-band full-duplex (IBFD) transmission enables simultaneous transmission and reception of signals over the same frequency, thereby doubling spectral efficiency. Further, a continuous up-scaling…

Information Theory · Computer Science 2024-03-29 Sk Nayemuzzaman , Kumar Vijay Mishra , Jiawei Liu , Mohammad Saquib

The dominating waveform in 5G is orthogonal frequency division multiplexing (OFDM). OFDM will remain a promising waveform candidate for joint communication and sensing (JCAS) in 6G since OFDM can provide excellent data transmission…

Information Theory · Computer Science 2023-01-10 Yi Geng

Integrated sensing and communication (ISAC) has emerged as a transformative paradigm, enabling situationally aware and perceptive next-generation wireless networks through the co-design of shared network resources. With the adoption of…

Signal Processing · Electrical Eng. & Systems 2025-05-20 Ahmed Hussain , Asmaa Abdallah , Abdulkadir Celik , Ahmed M. Eltawil

In this paper, we formulate the precoding problem of integrated sensing and communication (ISAC) waveform as a non-convex quadratically constrainted quadratic program (QCQP), in which the weighted sum of communication multi-user…

Signal Processing · Electrical Eng. & Systems 2024-02-13 Yating Chen , Cai Wen , Yan Huang , Le Liang , Jie Li , Hui Zhang , Wei Hong

Future wireless communication systems must simultaneously address multiple challenges to ensure accurate data detection, deliver high Quality of Service (QoS), adding enable a high data transmission with low system design. Additionally,…

Information Theory · Computer Science 2024-10-03 Amina Darghouthi , Abdelhakim Khlifi , Belgacem Chibani