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In this paper, we propose a novel Kalman Filter (KF)-based uplink (UL) joint communication and sensing (JCAS) scheme, which can significantly reduce the range and location estimation errors due to the clock asynchronism between the base…

Information Theory · Computer Science 2023-06-21 Xu Chen , Zhiyong Feng , J. Andrew Zhang , Xin Yuan , Ping Zhang

Downlink (DL) and uplink (UL) joint communication and sensing (JCAS) technologies have been individually studied for realizing sensing using DL and UL communication signals, respectively. Since the spatial environment and JCAS channels in…

Information Theory · Computer Science 2023-04-27 Xu Chen , Zhiyong Feng , J. Andrew Zhang , Zhiqing Wei , Xin Yuan , Ping Zhang

Uplink sensing in integrated sensing and communications (ISAC) systems, such as Perceptive Mobile Networks, is challenging due to the clock asynchronism between transmitter and receiver. Existing solutions typically require the presence of…

Signal Processing · Electrical Eng. & Systems 2024-01-18 Yanmo Hu , J. Andrew Zhang , Weibo Deng , Y. Jay Guo

The joint communication and sensing (JCAS) technique has drawn great attention due to its high spectrum efficiency by using the same transmit signal for both communication and sensing. Exploiting the correlation between the uplink (UL)…

Information Theory · Computer Science 2022-11-09 Xu Chen , Zhiyong Feng , J. Andrew Zhang , Zhiqing Wei , Xin Yuan , Ping Zhang

In this work, we study sensing-aided uplink transmission in an integrated sensing and communication (ISAC) vehicular network with the use of orthogonal time frequency space (OTFS) modulation. To exploit sensing parameters for improving…

Signal Processing · Electrical Eng. & Systems 2023-05-22 Xi Yang , Hang Li , Qinghua Guo , J. Andrew Zhang , Xiaojing Huang , Zhiqun Cheng

Networks exploiting distributed integrated sensing and communication (DISAC) nodes can provide enhanced localization and sensing performance, further emphasized when operating with large arrays and bandwidths available in the upper mid-band…

Signal Processing · Electrical Eng. & Systems 2025-10-01 Soroush Mesforush , Murat Bayraktar , Nuria González-Prelcic

In this paper, we investigate the issue of uplink integrated sensing and communication (ISAC) in 6G wireless networks where the sensing echo signal and the communication signal are received simultaneously at the base station (BS). To…

Information Theory · Computer Science 2024-03-05 Qiao Qi , Xiaoming Chen , Caijun Zhong , Chau Yuen , Zhaoyang Zhang

This paper explores the potential of the intelligent reflecting surface (IRS) in realizing multi-user concurrent communication and localization, using the same time-frequency resources. Specifically, we propose an IRS-enabled multi-user…

Information Theory · Computer Science 2022-11-23 Zhouyuan Yu , Xiaoling Hu , Chenxi Liu , Mugen Peng , Caijun Zhong

Integrated sensing and communication (ISAC) is a promising technique for expanding the functionalities of wireless networks with enhanced spectral efficiency. The 3rd Generation Partnership Project (3GPP) has defined six basic sensing…

Signal Processing · Electrical Eng. & Systems 2025-09-17 Yixin Ding , Haoyu Jiang , Xiaoli Xu , Yanan Liang , Yong Zeng

We consider an uplink integrated sensing and communications (ISAC) scenario where the detection of data symbols from multiple user equipment (UEs) occurs simultaneously with a three-dimensional (3D) estimation of the environment, extracted…

Signal Processing · Electrical Eng. & Systems 2023-08-22 Hyeon Seok Rou , Giuseppe Thadeu Freitas de Abreu , David González G. , Osvaldo Gonsa

Uplink sensing in perceptive mobile networks (PMNs), which uses uplink communication signals for sensing the environment around a base station, faces challenging issues of clock asynchronism and the requirement of a line-of-sight (LOS) path…

Information Theory · Computer Science 2022-11-08 Zhitong Ni , J. Andrew Zhang , Kai Wu , Ren Ping Liu

Integrated sensing and communication (ISAC) has emerged as a key paradigm for next-generation wireless systems, which allows wireless resources to be used for data transmission and target sensing simultaneously. In this paper, multi-user…

Signal Processing · Electrical Eng. & Systems 2026-03-19 Ling He , Vaibhav Kumar , Roberto Bomfin , Yingyang Chen , Miaowen Wen , Marwa Chafii

This letter analyzes the performance of uplink integrated sensing and communications (ISAC) systems where communication users (CUs) and radar targets (RTs) share the same frequency band. A non-orthogonal multiple access (NOMA) protocol is…

Information Theory · Computer Science 2022-05-30 Chongjun Ouyang , Yuanwei Liu , Hongwen Yang

Radio stripes (RSs) is an emerging technology in beyond 5G and 6G wireless networks to support the deployment of cell-free architectures. In this paper, we investigate the potential use of RSs to enable joint positioning and synchronization…

Extremely large-scale antenna array (ELAA) systems emerge as a promising technology in beyond 5G and 6G wireless networks to support the deployment of distributed architectures. This paper explores the use of ELAAs to enable joint…

Perceptive mobile networks (PMNs), integrating ubiquitous sensing capabilities into mobile networks, represent an important application of integrated sensing and communication (ISAC) in 6G. In this paper, we propose a practical framework…

Signal Processing · Electrical Eng. & Systems 2025-03-14 Liangbin Zhao , Zhitong Ni , Yimeng Feng , Jianguo Li , Xiangyuan Bu , J. Andrew Zhang

Integrated sensing and communication (ISAC) exhibits notable potential for sensing the unmanned aerial vehicles (UAVs), facilitating real-time monitoring of UAVs for security insurance. Due to the low sensing accuracy of single base…

Signal Processing · Electrical Eng. & Systems 2024-04-22 Xi Lu , Zhiqing Wei , Ruizhong Xu , Lin Wang , Bohao Lu , Jinghui Piao

This paper investigates user equipment (UE) assisted device-free networked sensing in the sixth-generation (6G) integrated sensing and communication (ISAC) system, where one base station (BS) and multiple UEs, such as unmanned aerial…

Signal Processing · Electrical Eng. & Systems 2025-02-06 Xianzhen Guo , Qin Shi , Shuowen Zhang , Chengwen Xing , Liang Liu

Integrated sensing and communications (ISAC) is potentially capable of circumventing the limitations of existing frequency-division sensing and communications (FDSAC) techniques. Hence, it has recently attracted significant attention. This…

Information Theory · Computer Science 2022-08-09 Chongjun Ouyang , Yuanwei Liu , Hongwen Yang , Naofal Al-Dhahir

As the uplink sensing has the advantage of easy implementation, it attracts great attention in integrated sensing and communication (ISAC) system. This paper presents an uplink ISAC system based on multi-input multi-output orthogonal…

Information Theory · Computer Science 2023-10-11 Jinghui Piao , Zhiqing Wei , Xin Yuan , Xiaoyu Yang , Huici Wu , Zhiyong Feng
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