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Sequences having better autocorrelation properties play a crucial role in enhancing the performance of active sensing systems. Hence, sequences with good autocorrelation properties are very much in demand. In this paper, we addressed the…

Signal Processing · Electrical Eng. & Systems 2021-07-13 Surya Prakash Sankuru , Prabhu Babu , Mohammad Alaee-Kerahroodi

Unimodular sequences with low autocorrelations are desired in many applications, especially in the area of radar and code-division multiple access (CDMA). In this paper, we propose a new algorithm to design unimodular sequences with low…

Optimization and Control · Mathematics 2023-07-19 Junxiao Song , Prabhu Babu , Daniel P. Palomar

Constant modulus sequence having lower side-lobe levels in its auto-correlation function plays an important role in the applications like SONAR, RADAR and digital communication systems. In this paper, we consider the problem of minimizing…

Signal Processing · Electrical Eng. & Systems 2020-01-20 Surya Prakash Sankuru , Prabhu Babu

Unimodular/Phase only sequence having impulse like aperiodic auto-correlation function plays a central role in the applications of RADAR, SONAR, Cryptography, and Wireless (CDMA) Communication Systems. In this paper, we propose a fast…

Signal Processing · Electrical Eng. & Systems 2020-07-16 Surya Prakash Sankuru , Prabhu Babu

Sequences with low aperiodic autocorrelation sidelobes are well known to have extensive applications in active sensing and communication systems. In this paper, we consider the problem of minimizing the weighted integrated sidelobe level…

Optimization and Control · Mathematics 2016-04-20 Junxiao Song , Prabhu Babu , Daniel P. Palomar

Integrated sensing and communication (ISAC) has been widely recognized as one of the key technologies for 6G wireless networks. In this paper, we focus on the waveform design of ISAC system, which can realize radar sensing while also…

Signal Processing · Electrical Eng. & Systems 2025-04-09 Jiangtao Wang , Xuyang Zhao , Muyu Mei , Yongchao Wang

Unimodular sequences with good auto/cross-correlation properties are favorable in wireless communication and radar applications. In this paper, we focus on designing these kinds of sequences. The main content is as follows: first, we…

Signal Processing · Electrical Eng. & Systems 2019-07-16 Yongchao Wang , Jiangtao Wang

In this paper, we design constant modulus probing waveforms with good correlation properties for collocated multi-input multi-output (MIMO) radar systems. The main content is as follows: first, we formulate the design problem as a fourth…

Signal Processing · Electrical Eng. & Systems 2019-09-04 Jiangtao Wang , Yongchao Wang

In this paper, we design unimodular waveforms with good correlation properties for multi-input multi-output (MIMO) radar systems. Specifically, first, we analyze the geometric properties of the unimodular constraint in the fourth-order…

Signal Processing · Electrical Eng. & Systems 2025-04-09 Xuyang Zhao , Jiangtao Wang , Shihao Yan , Yongchao Wang

In an active sensing system, waveforms with good auto-correlations are preferred for accurate parameter estimation. Furthermore, spectral compatibility is required to avoid mutual interference between devices as the electromagnetic…

Signal Processing · Electrical Eng. & Systems 2024-10-28 Chin-Wei Huang , Li-Fu Chen , Borching Su

Integrated sensing and communication (ISAC) has been considered a key feature of next-generation wireless networks. This paper investigates the joint design of the radar receive filter and dual-functional transmit waveform for the…

Signal Processing · Electrical Eng. & Systems 2025-09-10 Kecheng Zhang , Ya-Feng Liu , Zhongbin Wang , Weijie Yuan , Musa Furkan Keskin , Henk Wymeersch , Shuqiang Xia

This paper considers coordinated linear precoding for rate optimization in downlink multicell, multiuser orthogonal frequency- division multiple access networks. We focus on two different design criteria. In the first, the weighted sum-rate…

Information Theory · Computer Science 2015-06-17 Mirza Golam Kibria , Hidekazu Murata

Integrated sensing and communication (ISAC) is viewed as a key technology in future wireless networks. One of the main challenges in realizing ISAC is developing dual-functional waveforms that can communicate with communication receivers…

Signal Processing · Electrical Eng. & Systems 2024-05-01 Kecheng Zhang , Weijie Yuan , Pingzhi Fan , Xianbin Wang

Dynamic target detection using FMCW waveform is challenging in the presence of interference for different radar applications. Degradation in SNR is irreparable and interference is difficult to mitigate in time and frequency domain. In this…

Information Theory · Computer Science 2022-04-06 Robin Amar , Mohammad Alaee-Kerahroodi , Prabhu Babu , Bhavani Shankar M. R

Conventional sensing applications rely on electromagnetic far-field channel models with plane wave propagation. However, recent ultra-short-range automotive radar applications at upper millimeter-wave or low terahertz (THz) frequencies…

Signal Processing · Electrical Eng. & Systems 2023-03-09 Arian Eamaz , Farhang Yeganegi , Kumar Vijay Mishra , Mojtaba Soltanalian

This paper introduces a novel framework aimed at designing integrated waveforms for robust integrated sensing and communication (ISAC) systems. The system model consists of a multiple-input multiple-output (MIMO) base station that…

Signal Processing · Electrical Eng. & Systems 2025-10-16 Yousef Kloob , Mohammad Al-Jarrah , Emad Alsusa

The important problem of weighted sum rate maximization (WSRM) in a multicellular environment is intrinsically sensitive to channel estimation errors. In this paper, we study ways to maximize the weighted sum rate in a linearly precoded…

Information Theory · Computer Science 2013-10-21 Muhammad Fainan Hanif , Le-Nam Tran , Antti Tölli , Markku Juntti , Savo Glisic

Elastic metasurfaces offer precise control over elastic waves for applications such as vibration isolation, sensing, and imaging. However, achieving high-efficiency and scattering-free performance with complex functionalities remains a…

Applied Physics · Physics 2025-12-15 Chun Min Li , Wenjing Ye

In this work, we propose ultra-low-complexity design solutions for multi-group multicast beamforming in large-scale systems. For the quality-of-service (QoS) problem, by utilizing the optimal multicast beamforming structure obtained…

Information Theory · Computer Science 2023-04-17 Chong Zhang , Min Dong , Ben Liang

In radar systems, unimodular (or constant-modulus) waveform design plays an important role in achieving better clutter/interference rejection, as well as a more accurate estimation of the target parameters. The design of such sequences has…

Signal Processing · Electrical Eng. & Systems 2022-08-10 Shahin Khobahi , Arindam Bose , Mojtaba Soltanalian
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