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For a family/sequence of STBCs $\mathcal{C}_1,\mathcal{C}_2,\dots$, with increasing number of transmit antennas $N_i$, with rates $R_i$ complex symbols per channel use (cspcu), the asymptotic normalized rate is defined as $\lim_{i \to…

Information Theory · Computer Science 2015-03-13 Lakshmi Prasad Natarajan , B. Sundar Rajan

Extended ambiguity performance (EAP), which includes all grating lobes and side peaks, indicates the maximum detectable region without undesired peaks for target parameter estimation and is critical to radar sensor design. Driven by EAP…

Signal Processing · Electrical Eng. & Systems 2024-11-14 Rui Zhang , Shawn Tsai , Tzu-Han Chou , Jiaying Ren , Wenze Qu , Oliver Sun

While Doppler resilient complementary waveforms have previously been considered to suppress range sidelobes within a Doppler interval of interest in radar systems, their capability of Doppler resilience has not been fully utilized. In this…

Information Theory · Computer Science 2021-01-26 Jiahuan Wang , Pingzhi Fan , Des McLernon , Zhiguo Ding

Increasing integration of renewable generation poses significant challenges to ensure robustness guarantees in real-time energy system decision-making. This work aims to develop a robust optimal transmission switching (OTS) framework that…

Optimization and Control · Mathematics 2022-09-01 Yuqi Zhou , Hao Zhu , Grani A. Hanasusanto

Quasi-complementary sequence sets (QCSSs) have attracted sustained research interests for simultaneously supporting more active users in multi-carrier code-division multiple-access (MC-CDMA) systems compared to complete complementary codes…

Information Theory · Computer Science 2024-01-12 Palash Sarkar , Chunlei Li , Sudhan Majhi , Zilong Liu

Perfect complementary sequence sets (PCSSs) are widely used in multi-carrier code-division multiple-access (MC-CDMA) communication systems. However, the set size of a PCSS is upper bounded by the number of row sequences of each…

Information Theory · Computer Science 2024-12-03 Ziling Heng , Peng Wang , Chunlei Xie , Haiyan Zhou

Quantifying formidable multiple coupling effects involved in Surface-enhanced Raman scattering (SERS) is a prerequisite for accurate design of SERS probes with superior detection limit and uniformity which are the targets for trace…

In this paper, we present a robust distributed model predictive control (DMPC) scheme for dynamically decoupled nonlinear systems which are subject to state constraints, coupled state constraints and input constraints. In the proposed…

Systems and Control · Electrical Eng. & Systems 2024-10-07 Adrian Wiltz , Fei Chen , Dimos V. Dimarogonas

In this paper, a class of deterministic sensing matrices are constructed by selecting rows from Fourier matrices. These matrices have better performance in sparse recovery than random partial Fourier matrices. The coherence and restricted…

Information Theory · Computer Science 2015-09-10 Shan Huang , Hong Sun , Lei Yu , Haijian Zhang

A structured random matrix ensemble that maintains constant modulus entries and unit-norm columns, often called a random phase-rotated (RPR) matrix, is considered in this paper. We analyze the coherence statistics of RPR measurement…

Signal Processing · Electrical Eng. & Systems 2019-10-23 Qiyou Duan , Taejoon Kim , Lin Dai , Erik Perrins

To relieve the interference caused by range-Doppler sidelobes in pulsed radars, we propose a new method to construct Doppler resilient complementary waveforms based on Golay codes. We design both the transmit pulse train and the receive…

Signal Processing · Electrical Eng. & Systems 2020-08-26 Zhong-Jie Wu , Chen-Xu Wang , Pei-He Jiang , Zhi-Quan Zhou

Time series subsequence anomaly detection is an important task in a large variety of real-world applications ranging from health monitoring to AIOps, and is challenging due to the following reasons: 1) how to effectively learn complex…

Machine Learning · Computer Science 2024-11-27 Weiqi Chen , Zhiqiang Zhou , Qingsong Wen , Liang Sun

Motivated by the problem of reducing the peak to average power ratio (PAPR) of transmitted signals, we consider a design of complementary set matrices whose column sequences satisfy a correlation constraint. The design algorithm recursively…

Information Theory · Computer Science 2007-07-13 Di Wu , Predrag Spasojevic

Various legacy and emerging industrial control applications create the requirement of periodic and time-sensitive communication (TSC) for 5G/6G networks. State-of-the-art semi-persistent scheduling (SPS) techniques fall short of meeting the…

Networking and Internet Architecture · Computer Science 2021-09-06 Nan Jiang , Adnan Aijaz , Yichao Jin

Complementary set sequences (CSSs) are useful for dealing with the high peak-to-average power ratio (PAPR) problem in orthogonal frequency division multiplexing (OFDM) systems. In practical OFDM transmission, however, certain sub-carriers…

Information Theory · Computer Science 2020-03-17 Yajing Zhou , Yang Yang , Zhengchun Zhou , Kushal Anand , Su Hu , Yong Liang Guan

Inferring causal relationships as directed acyclic graphs (DAGs) is an important but challenging problem. Differentiable Causal Discovery (DCD) is a promising approach to this problem, framing the search as a continuous optimization. But…

Machine Learning · Computer Science 2024-06-28 Achille Nazaret , Justin Hong , Elham Azizi , David Blei

If C is a binary linear code, let C^2 be the linear code spanned by intersections of pairs of codewords of C. We construct an asymptotically good family of binary linear codes such that, for C ranging in this family, the C^2 also form an…

Information Theory · Computer Science 2012-09-03 Hugues Randriambololona

Ultra-high-resolution target sensing has emerged as a key enabler for various cutting-edge applications, which can be realized by utilizing the millimeter wave/terahertz frequencies. However, the extremely high operating frequency…

Signal Processing · Electrical Eng. & Systems 2023-05-15 Fan Zhang , Tianqi Mao , Zhaocheng Wang

Frequency-modulated continuous wave (FMCW) radar with inter-chirp coding produces high side-lobes in the Doppler and range dimensions of the radar's ambiguity function. The high side-lobes may cause miss-detection due to masking between…

Signal Processing · Electrical Eng. & Systems 2024-02-27 Zahra Esmaeilbeig , Arindam Bose , Mojtaba Soltanalian

Cyclic codes, as a crucial subclass of linear codes, exhibit broad applications in communication systems, data storage systems, and consumer electronics, primarily attributed to their well-structured algebraic properties. Let $p$ denote an…

Information Theory · Computer Science 2025-09-15 Mengen Fang , Lanqiang Li , Fuyin Tian , Li Liu