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Since the signal with strong power should be demodulated first for successive interference cancellation (SIC) demodulation in non-orthogonal multiple access (NOMA) systems, the base station (BS) should inform the near user terminal (UT),…

Signal Processing · Electrical Eng. & Systems 2020-10-19 Wenwu Xie , Jian Xiao , Jinxia Yang , Xin Peng , Chao Yu , Peng Zhu

We establish the optimal diversity-multiplexing (DM) tradeoff of coherent selective-fading multiple-access multiple-input multiple-output (MIMO) channels and provide corresponding code design criteria. As a byproduct, on the conceptual…

Information Theory · Computer Science 2008-05-02 Pedro Coronel , Markus Gärtner , Helmut Bölcskei

In this paper, an anti-eavesdropping estimation problem is investigated. A linear encryption scheme is utilized, which first linearly transforms innovation via an encryption matrix and then encrypts some components of the transformed…

Systems and Control · Electrical Eng. & Systems 2024-06-18 Zhongyao Hu , Bo Chen , Pindi Weng , Jianzheng Wang , Li Yu

In smart city development, the automatic detection of structures and vehicles within urban or suburban areas via array radar (airborne or vehicle platforms) becomes crucial. However, the inescapable multipath effect adversely affects the…

Signal Processing · Electrical Eng. & Systems 2024-07-26 Yizhen Jia , Jie Cheng , Wen-Qin Wang , Hui Chen

As a green and secure wireless transmission way, secure spatial modulation (SM) is becoming a hot research area. Its basic idea is to exploit both the index of activated transmit antenna and amplitude phase modulation (APM) signal to carry…

Signal Processing · Electrical Eng. & Systems 2019-07-05 Feng Shu , Lin Liu , Yumeng Zhang , Guiyang Xia , Xiaoyu Liu , Jun Li , Shi Jin , Jiangzhou Wang

To meet the stringent requirements of next-generation wireless networks, multiple-input multiple-output (MIMO) technology is expected to become massive and pervasive. Unfortunately, this could pose scalability issues in terms of complexity,…

Signal Processing · Electrical Eng. & Systems 2025-06-03 Davide Dardari

The rapid variation of the wireless channel (short channel coherence time) and the phase noise are two prominent concerns in Millimeter-wave (mmWave) and sub-Terahertz systems communication systems. Equalizing the channel effect and…

Information Theory · Computer Science 2025-09-03 Mohaned Chraiti , Ozgur Ercetin , Ali Ghrayeb , Ali Gorcin

Movable antenna (MA) array is a novel technology recently developed where positions of transmit/receive antennas can be flexibly adjusted in the specified region to reconfigure the wireless channel and achieve a higher capacity. In this…

Information Theory · Computer Science 2023-11-14 Guojie Hu , Qingqing Wu , Kui Xu , Jiangbo Si , Naofal Al-Dhahir

Security threats such as jamming and route manipulation can have significant consequences on the performance of modern wireless networks. To increase the efficacy and stealthiness of such threats, a number of extremely challenging,…

Networking and Internet Architecture · Computer Science 2017-08-23 Liyang Zhang , Francesco Restuccia , Tommaso Melodia , Scott M. Pudlewski

Non-Orthogonal Multiple Access (NOMA) is a multiplexing technique for future wireless, which when combined with Multiple-Input Multiple-Output (MIMO) unlocks higher capacities for systems where users have varying channel strength. NOMA…

Information Theory · Computer Science 2021-07-09 Jennifer Chakravarty , Oliver Johnson , Robert Piechocki

State-of-the-art automotive radar sensors use a Mutliple-Input Mutiple-Output (MIMO) approach to obtain a better angular resolution. Time-Division Multiplexing (TDM) scheme is commonly applied to realize the orthogonality in time at the…

Signal Processing · Electrical Eng. & Systems 2022-08-08 Qingshan Shen , Qingbo Wang

This paper considers the problem of direction-of-arrival (DOA) estimation of coherent signals on passive coprime arrays, where we resort to the fourth-order cumulants of the received signal to explore more information. A fourth-order…

Information Theory · Computer Science 2017-01-24 Yang Hu , Yimin Liu , Xiqin Wang

Tampering of metering infrastructure of an electrical distribution system can significantly cause customers' billing discrepancy. The large-scale deployment of smart meters may potentially be tampered by malware by propagating their agents…

Cryptography and Security · Computer Science 2019-05-01 Yachen Tang , Chee-Wooi Ten , Kevin P. Schneider

The secrecy performance of realistic wireless multicast scenarios can be significantly deteriorated by the simultaneous occurrence of multipath and shadowing. To resolve this security threat, in this work an opportunistic relaying-based…

Information Theory · Computer Science 2021-12-09 MD. Shakhawat Hossen , A. S. M. Badrudduza , S. M. Riazul Islam , Abu Hanif , Milton Kumar Kundu , Kyung-Sup Kwak

We present the modeling and characterization of a time-reversal routing dispersion code multiple access (TR-DCMA) system. We show that this system maintains the low complexity advantage of DCMA transceivers while offering dynamic adaptivity…

Signal Processing · Electrical Eng. & Systems 2017-09-26 Lianfeng Zou , Christophe Caloz

An increasing amount of processes are becoming automated for increased efficiency and safety. Common examples are in automotive, industrial control systems or healthcare. Automation usually relies on a network of sensors to provide key data…

Cryptography and Security · Computer Science 2021-08-10 Raoul Guiazon

Event-triggered networked control of a linear dynamical system is investigated. Specifically, the dynamical system and the controller are assumed to be connected through a communication channel. State and control input information packets…

Systems and Control · Computer Science 2016-03-16 Ahmet Cetinkaya , Hideaki Ishii , Tomohisa Hayakawa

Next-generation communication systems with wide bandwidths need to operate in interference-limited networks. A discrete-time delay (TD) technique in a baseband receiver array is proposed for canceling wide modulated bandwidth spatial…

Signal Processing · Electrical Eng. & Systems 2019-08-05 Erfan Ghaderi , Ajith Ramani , Arya Rahimi , Sudip Shekhar , Subhanshu Gupta

Tensor-based modulation (TBM) provides a multi-linear spreading framework for blind multi-user separation in unsourced random access. In this paper, we show that TBM is a coded modulation built on a non-binary linear block code over…

Information Theory · Computer Science 2026-03-10 Sweta Suresh , Charly Poulliat , Claire Goursaud , Maxime Guillaud

Swarm antenna arrays, composed of spatially distributed antennas mounted on unmanned agents, offer unprecedented flexibility and adaptability for wireless sensing and communication. However, their reconfigurable architecture, susceptibility…

Signal Processing · Electrical Eng. & Systems 2025-05-13 Tiebin Mi , Miyu Feng , Ruichu Shao , Cao Zeng , Robert Caiming Qiu
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