Results 91 to 100 of about 1,038 (207)

Integrated Cooperative Sensing and Two-Way Communications With Half-Duplex Base Stations

IEEE Open Journal of Vehicular Technology
In case the dual-functional base station (BS) is only equipped with half-duplex (HD) transceivers, integrated sensing and communications (ISAC) becomes a challenge task especially when the bidirectional communications for each HD user are involved.
Dong-Hua Chen, Peifu Peng
doaj   +1 more source

Optimization for MIMO Integrated Sensing and Communications

The fundamentals of MIMO communications and MIMO sensing are firstly analyzed with regard to channel and sensing capacities. It is shown that the different objectives of communications and sensing lead to different signaling waveforms required for ...
Yang, Lie-Liang
core  

Joint Active and Passive Beamforming in RIS-Assisted Secure ISAC Systems

Sensors
This paper investigates joint beamforming in a secure integrated sensing and communications (ISAC) system assisted by reconfigurable intelligent surfaces (RIS).
Jinsong Chen, Kai Wu, Jinping Niu, Yanyan Li   +3 more
doaj   +1 more source

ISAC Meets SWIPT: Multi-Functional Wireless Systems Integrating Sensing, Communication, and Powering

IEEE Transactions on Wireless Communications
This paper unifies integrated sensing and communication (ISAC) and simultaneous wireless information and power transfer (SWIPT), by investigating a new multi-functional multiple-input multiple-output (MIMO) system integrating wireless sensing, communication, and powering.
Yilong Chen 0003, Haocheng Hua, Jie Xu 0002, Derrick Wing Kwan Ng   +3 more
openaire   +2 more sources

The performance study of NOMA assisted ISAC under residual hardware impairments

Dianxin kexue
Aiming at the problems of poor generality of performance metrics in existing integrated sensing and communication (ISAC) systems and the residual hardware impairments that actually exist in wireless signal transmission, by adopting a unified performance ...
WANG Zhikang, LI Guangqiu, ZHANG Xu, GAO Jie   +3 more
doaj  

Device-Free AMR Crossing Detection Using LTE Signals for Smart Factory Applications

IEEE Access
The Third Generation Partnership Project (3GPP) is currently discussing a new network for Integrated Sensing and Communications (ISAC). ISAC aims to enhance fifth and sixth-generation networks (5G/6G) by enabling simultaneous wireless sensing and ...
Hanae Otani, Tomoki Murakami, Kazuya Ohara, Yasushi Takatori, Tomoaki Ogawa   +4 more
doaj   +1 more source

Cell-free integrated sensing and communications with hybrid beamforming

The cell-free (CF) massive multiple-input multiple-output (MIMO) architecture offers significant advantages in terms of energy and hardware efficiency compared to centralized MIMO systems.
Eltawil, Ahmed M., Elbir, Ahmet Musab, Eltawil, Ahmed Mohamed, Elbir, Ahmet M., Mishra, Kumar Vijay, Celik, Abdulkadir   +5 more
core   +1 more source

ISAR OFDM Based Integrated Sensing and Communications for Extended Targets

The application of inverse synthetic aperture radar (ISAR) is investigated in orthogonal frequency-division multiplexing (OFDM) integrated sensing and communication (ISAC) systems.
Xiong, Zehui, Feng, Zhiyong, Liu, Yuanwei, Zhang, Ruiyun, Wang, Zhaolin, Wei, Zhiqing   +5 more
core   +1 more source

Hybrid Beamforming Design for Dual-RIS-assisted Multi-user Integrated Sensing and Communications

Tongxin xuebao
Integrated Sensing and Communications (ISAC) is a core technology that supports the construction of low-altitude economic infrastructure. However, due to its high dependence on line-of-sight links, its performance is limited in complex environments ...
Xue Qing, Ma Yi, Li Zhidu, Hua Meng, Chen Qianbin   +4 more
doaj  

Bistatic THz Sensing With MIMO-OFDM: A Two-Stage Transmission Approach With Maximum Likelihood Estimation

IEEE Open Journal of the Communications Society
The extensive bandwidth available at terahertz (THz) frequencies offers unprecedented opportunities for high-resolution sensing in next-generation integrated sensing and communications (ISAC) systems.
Tommaso Bacchielli, Lorenzo Pucci, Elia Favarelli, Davide Dardari, Andrea Giorgetti   +4 more
doaj   +1 more source