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Cognitive radio networks (CRNs) and millimeter wave (mmWave) communications are two major technologies to enhance the spectrum efficiency (SE). Considering that the SE improvement in the CRNs is limited due to the interference temperature…

Information Theory · Computer Science 2022-05-03 Xuewen Wu , Jingxiao Ma , Chenwei Gu , Xiaoping Xue , Xin Zeng

The large beamforming gain used to operate at millimeter wave (mmWave) frequencies requires obtaining channel information to configure hybrid antenna arrays. Previously proposed wideband channel estimation strategies, however, assume…

Signal Processing · Electrical Eng. & Systems 2019-06-06 Javier Rodriguez-Fernandez , Nuria Gonzalez-Prelcic

In this paper, we consider a generalized sub-array-connected (GSAC) architecture for arbitrary radio frequency (RF) chain and antenna configurations, where the number of RF chains connected to a sub-array and the number of antennas in each…

Information Theory · Computer Science 2019-07-26 Yun Chen , Da Chen , Tao Jiang , Lajos Hanzo

Millimeter-wave (mmWave) massive multiple-input multiple-output (MIMO) systems have been considered as one of the primary candidates for the fifth generation (5G) and beyond 5G wireless communication networks to satisfy the ever-increasing…

Signal Processing · Electrical Eng. & Systems 2021-04-02 Asil Koc , Tho Le-Ngoc

The problem of joint design of transmit waveforms and receive filters is desirable in many application scenarios of multiple-input multiple-output (MIMO) radar systems. In this paper, the joint design problem is investigated under the…

Signal Processing · Electrical Eng. & Systems 2021-02-11 Huanyu Zhang , Ziping Zhao

In this paper, we propose a hybrid precoding/combining framework for communication-centric integrated sensing and full-duplex (FD) communication operating at mmWave bands. The designed precoders and combiners enable multiuser (MU) FD…

Signal Processing · Electrical Eng. & Systems 2024-05-16 Murat Bayraktar , Nuria González-Prelcic , Mikko Valkama , Hao Chen , Charlie Jianzhong Zhang

We address the problem of designing a transmit beampattern for multiple-input multiple-output (MIMO) radar considering co-existence with wireless communication systems. The designed beampattern is able to manage the transmit energy in…

Signal Processing · Electrical Eng. & Systems 2018-11-29 Bosung Kang , Omar Aldayel , Vishal Monga , Muralidhar Rangaswamy

To efficiently utilize the wireless spectrum and save hardware costs, the fifth generation and beyond (B5G) wireless networks envisage integrated sensing and communications (ISAC) paradigms to jointly access the spectrum. In B5G systems,…

Signal Processing · Electrical Eng. & Systems 2024-08-20 Ahmet M. Elbir , Kumar Vijay Mishra , Abdulkadir Çelik , Ahmed M. Eltawil

This paper investigates the energy efficiency of a multiple-input multiple-output (MIMO) integrated sensing and communications (ISAC) system, in which one multi-antenna base station (BS) transmits unified ISAC signals to a multi-antenna…

Information Theory · Computer Science 2023-06-28 Guanlin Wu , Yuan Fang , Jie Xu , Zhiyong Feng , Shuguang Cui

This paper proposes an interleaved transceiver design method for a multiple-input multiple-output (MIMO) integrated sensing and communication (ISAC) system utilizing orthogonal frequency division multiplexing (OFDM) waveforms. We consider a…

Signal Processing · Electrical Eng. & Systems 2025-08-15 Yating Chen , Cai Wen , Yan Huang , Jinye Peng , Wei Hong , Timothy N. Davidson

This paper investigates an intelligent reflecting surface (IRS) enabled multiuser integrated sensing and communication (ISAC) system, which consists of one multi-antenna base station (BS), one IRS, multiple single-antenna communication…

Signal Processing · Electrical Eng. & Systems 2022-11-01 Xianxin Song , Tony Xiao Han , Jie Xu

In this letter, we aim to design a robust hybrid precoder and combiner against beam misalignment in millimeter-wave (mmWave) communication systems. We consider the inclusion of the `error statistics' into the precoder and combiner design,…

Signal Processing · Electrical Eng. & Systems 2019-03-25 Chandan Pradhan , Ang Li , Li Zhuo , Yonghui Li , Branka Vucetic

Millimeter-wave (mmWave) technology is a crucial enabler for next-generation networks because it offers substantially greater available bandwidth. mmWave multiple-input multiple-output (MIMO) systems cannot rely solely on fully digital…

Signal Processing · Electrical Eng. & Systems 2026-04-21 Navid Reyhanian , Parisa Ramezani , Emil Björnson

Near-field integrated sensing and communication (ISAC) leverages distance-dependent channel variations for joint distance and angle estimation. However, full-digital architectures have prohibitive hardware costs, making hybrid…

Information Theory · Computer Science 2025-12-05 Jiasi Zhou , Chintha Tellambura , Geoffrey Ye Li

Integrated Sensing and Communication (ISAC) has attracted substantial attraction in recent years for spectral efficiency improvement, enabling hardware and spectrum sharing for simultaneous sensing and signaling operations. In-band Full…

Information Theory · Computer Science 2022-01-17 Md Atiqul Islam , George C. Alexandropoulos , Besma Smida

Hybrid beamforming is an emerging technology for massive multiple-input multiple-output (MIMO) systems due to the advantages of lower complexity, cost, and power consumption. Recently, intelligent reflection surface (IRS) has been proposed…

Signal Processing · Electrical Eng. & Systems 2024-04-26 Jeongjae Lee , Songnam Hong

Integrated sensing and communication (ISAC), as a technology enabled seamless connection between communication and sensing, is regarded a core enabling technology for these applications. However, the accuracy of single-node sensing in ISAC…

Signal Processing · Electrical Eng. & Systems 2025-07-01 Haotian Liu , Zhiqing Wei , Luyang Sun , Ruizhong Xu , Yixin Zhang , Zhiyong Feng

This paper investigates the hybrid precoding design for millimeter wave (mmWave) multiple-input multiple-output (MIMO) systems with finite-alphabet inputs. The mmWave MIMO system employs partially-connected hybrid precoding architecture…

Information Theory · Computer Science 2019-02-14 Juening Jin , Chengshan Xiao , Wen Chen , Yongpeng Wu

In this paper, we optimize a Wireless Powered Communication (WPC) system including multiple pair of users, where transmitters employ single-antenna to transmit their information and power to their receivers with the help of one…

Signal Processing · Electrical Eng. & Systems 2023-01-03 Omid Rezaei , Maryam Masjedi , Ali Kanaani , Mohammad Mahdi Naghsh , Saeed Gazor , Mohammad Mahdi Nayebi

Intelligent reflecting surface (IRS) has been considered as a promising technology to alleviate the blockage effect and enhance coverage in millimeter wave (mmWave) communication. To explore the impact of IRS on the performance of mmWave…

Signal Processing · Electrical Eng. & Systems 2022-10-05 Renlong Wei , Qing Xue , Shaodan Ma , Yongjun Xu , Li Yan , Xuming Fang
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