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Pseudorandom PSK [1] enables parallel communication on the same carrier frequency and at the same time. We propose different signal processing methods to receive data modulated with pseudorandom PSK. This includes correlation with the…

Information Theory · Computer Science 2015-09-02 Thomas Janson , Christian Schindelhauer

This work investigates a bistatic OFDM-based integrated sensing and communication (ISAC) system under a single-target scenario, considering both line-of-sight (LOS) presence and LOS blockage cases. A sliding window-based sensing receiver…

Signal Processing · Electrical Eng. & Systems 2025-05-20 Cuneyd Ozturk , Cagri Goken

In this paper, we investigate the performance of incremental redundancy combining as a new cooperative relaying protocol for large M2M networks with opportunistic relaying. The nodes in the large M2M network are modeled by a Poisson Point…

Information Theory · Computer Science 2017-02-02 Amogh Rajanna , Mos Kaveh

We study the problem of unsourced random access (URA) over Rayleigh block-fading channels with a receiver equipped with multiple antennas. We employ multiple stages of orthogonal pilots, each of which is randomly picked from a codebook. In…

Information Theory · Computer Science 2022-05-20 Mohammad Javad Ahmadi , Tolga M. Duman

An interference management problem among multiple overlapped random access networks (RANs) is investigated, each of which operates with slotted ALOHA protocol. Assuming that access points and users have multiple antennas, a novel…

Information Theory · Computer Science 2016-11-17 Hu Jin , Sang-Woon Jeon , Bang Chul Jung

Reconfigurable intelligent surfaces (RISs) and fluid antennas (FAs) are key technologies for enhancing spatial degrees of freedom in future wireless networks. However, channel acquisition in RIS-aided FA systems is challenging as cascaded…

Signal Processing · Electrical Eng. & Systems 2026-04-21 Josué V. de Araújo , Gilderlan T. de Araújo , André L. F. de Almeida

Intelligent reflecting surface (IRS)-assisted mobile edge computing (MEC) systems have shown notable improvements in efficiency, such as reduced latency, higher data rates, and better energy efficiency. However, the resource competition…

Signal Processing · Electrical Eng. & Systems 2026-04-28 Yinyu Wu , Xuhui Zhang , Yingchao Jiao , Jinke Ren , Yanyan Shen , Bo Yang , Shuqiang Wang , Dusit Niyato

This paper introduces a protocol that distributively constructs a collision-free schedule for multi-hop packet radio networks in the presence of hidden terminals. As a preliminary step, each wireless station computes the schedule length…

Networking and Internet Architecture · Computer Science 2012-06-21 Jaume Barcelo , Boris Bellalta , Cristina Cano , Azadeh Faridi , Miquel Oliver

Intelligent transportation systems increasingly depend on wireless communication for broadcasting traffic messages and facilitating real-time vehicular communication. In this context, message authentication is crucial for establishing…

Signal Processing · Electrical Eng. & Systems 2025-10-09 Mahmoud A. Shawky , Syed Tariq Shah , Ahmed G. Abdellatif , Muhammad Ali Imran , Qammer H. Abbasi , Shuja Ansari , Ahmad Taha

Intelligent reflecting surface (IRS)-enabled backscatter communications can be enabled by an access point (AP) that splits its transmit signal into modulated and unmodulated parts. This letter integrates non-orthogonal multiple access…

Information Theory · Computer Science 2022-09-07 Azar Hakimi , Shayan Zargari , Chintha Tellambura , Sanjeewa Herath

A digitally-assisted photonic analog domain self-interference cancellation (SIC) and frequency downconversion method is proposed for in-band full-duplex multiple-input multiple-output (MIMO) systems using the least square (LS) algorithm…

Signal Processing · Electrical Eng. & Systems 2022-09-28 Moxuan Han , Yang Chen

In this paper, we present an adaptive framework for constructing a pseudo-optimal reduced model for the frequency-limited H2-optimal model order reduction problem. We show that the frequency-limited pseudo-optimal reduced-order model has an…

Systems and Control · Electrical Eng. & Systems 2021-09-27 Umair Zulfiqar , Victor Sreeram , Xin Du

Deep reinforcement learning has achieved great success in laser-based collision avoidance work because the laser can sense accurate depth information without too much redundant data, which can maintain the robustness of the algorithm when…

Robotics · Computer Science 2021-08-24 Lingping Gao , Jianchuan Ding , Wenxi Liu , Haiyin Piao , Yuxin Wang , Xin Yang , Baocai Yin

In this article, we consider a random access scheme for an indoor Internet of Things (IoT) framework that uses optical wireless communication (OWC). We focus on a Slotted ALOHA (SA)-based solution where a number of OWC IoT users contend to…

Information Theory · Computer Science 2021-07-16 Milica Petkovic , Tijana Devaja , Dejan Vukobratovic , Francisco J. Escribano , Cedomir Stefanovic

In this paper, we develop a hybrid multiple access (MA) protocol for an intelligent reflecting surface (IRS) aided uplink transmission network by incorporating the IRS-aided time-division MA (I-TDMA) protocol and the IRS-aided…

Information Theory · Computer Science 2023-06-27 Piao Zeng , Guangji Chen , Qingqing Wu , Deli Qiao , Abbas Jamalipour

In this work, we present a global framework of a dual-hop RF/FSO system with multiple relays operating at the mode of amplify-and-forward (AF) with fixed gain. Partial relay selection (PRS) protocol with outdated channel state information…

Signal Processing · Electrical Eng. & Systems 2019-02-11 Elyes Balti , Mohsen Guizani , Bechir Hamdaoui

This letter presents a flexible rate-splitting multiple access (RSMA) framework for near-field (NF) integrated sensing and communications (ISAC). The spatial beams configured to meet the communication rate requirements of NF users are…

Information Theory · Computer Science 2024-12-03 Jiasi Zhou , Cong Zhou , Cheng Zeng , Chintha Tellambura

An Adaptive Cruise Control (ACC) system automatically adjusts the host vehicle's speed to maintain a safe following distance from a lead vehicle. In typical implementations, a feedback controller (e.g., a Proportional-Integral-Derivative…

Cryptography and Security · Computer Science 2026-03-03 Lotfi Ben Othmane , Yasaswini Konapalli , Naga Prudhvi Mareedu

This paper leverages fluid antenna (FA) and rate-splitting multiple access (RSMA) to enhance the physical layer security (PLS) of an integrated sensing and communication (ISAC) system. We consider a practical multi-user multi-input…

Information Theory · Computer Science 2025-03-18 Cixiao Zhang , Yin Xu , Size Peng , Xinghao Guo , Xiaowu Ou , Hanjiang Hong , Dazhi He , Wenjun Zhang

In this paper, we propose a precoding framework for frequency division duplex (FDD) integrated sensing and communication (ISAC) systems with multiple-input multiple-output (MIMO). Specifically, we aim to maximize ergodic sum spectral…

Information Theory · Computer Science 2025-06-12 Namhyun Kim , Juntaek Han , Jinseok Choi , Ahmed Alkhateeb , Chan-Byoung Chae , Jeonghun Park