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M-ary On-Off Frequency-Shift-Keying (OOFSK) is a digital modulation format in which M-ary FSK signaling is overlaid on On/Off keying. This paper investigates the potential of this modulation format in the context of wideband fading…

Information Theory · Computer Science 2007-07-13 Mustafa Cenk Gursoy , Sergio Verdu , H. Vincent Poor

In this paper, we present a number of robust methodologies for an underwater robot to visually detect, follow, and interact with a diver for collaborative task execution. We design and develop two autonomous diver-following algorithms, the…

Robotics · Computer Science 2018-04-11 Md Jahidul Islam

Frequency-hopping (FH) joint radar-communications (JRC) can offer excellent security for integrated sensing and communication systems. However, existing JRC schemes mainly embed information using only the sub-pulse frequencies and hence the…

Signal Processing · Electrical Eng. & Systems 2022-04-27 Linh Manh Hoang , J. Andrew Zhang , Diep N. Nguyen , Dinh Thai Hoang

We investigate methods for experimental performance enhancement of auto-encoders based on a recurrent neural network (RNN) for communication over dispersive nonlinear channels. In particular, our focus is on the recently proposed sliding…

Signal Processing · Electrical Eng. & Systems 2020-05-19 Boris Karanov , Mathieu Chagnon , Vahid Aref , Filipe Ferreira , Domanic Lavery , Polina Bayvel , Laurent Schmalen

This survey paper focuses on modulation aspects of molecular communication, an emerging field focused on building biologically-inspired systems that embed data within chemical signals. The primary challenges in designing these systems are…

Emerging Technologies · Computer Science 2020-12-29 Mehmet Sukru Kuran , H. Birkan Yilmaz , Ilker Demirkol , Nariman Farsad , Andrea Goldsmith

This paper provides an overview of how and why acoustic waves are important for underwater communication when compared with radio and optical waves, underwater acoustic channel, it's characteristics and model. Also about the underwater…

Signal Processing · Electrical Eng. & Systems 2021-11-23 Lokesh Bommisetty , Samskruthi Gaddam , Nomula Prakash Reddy , Shaik Basharath , Bharath Are

With the support of integrated sensing and communication (ISAC) technology, mobile communication system will integrate the function of wireless sensing, thereby facilitating new intelligent applications such as smart city and intelligent…

Signal Processing · Electrical Eng. & Systems 2023-08-15 Zhiqing Wei , Ruizhong Xu , Zhiyong Feng , Huici Wu , Ning Zhang , Wangjun Jiang , Xiaoyu Yang

Deep reinforcement learning is becoming increasingly popular for robot control algorithms, with the aim for a robot to self-learn useful feature representations from unstructured sensory input leading to the optimal actuation policy. In…

Robotics · Computer Science 2017-03-16 Steven Bohez , Tim Verbelen , Elias De Coninck , Bert Vankeirsbilck , Pieter Simoens , Bart Dhoedt

In this paper, we study the sensitivity and robustness of Space Shift Keying (SSK) modulation to imperfect channel knowledge at the receiver. Unlike the common widespread belief, we show that SSK modulation is more robust to imperfect…

Performance · Computer Science 2016-11-18 Marco Di Renzo , Dario De Leonardis , Fabio Graziosi , Harald Haas

In this paper, we propose an energy-efficient spatial modulation based molecular communication (SM-MC) scheme, in which a transmitted symbol is composed of two parts, i.e., a space derived symbol and a concentration derived symbol. The…

Emerging Technologies · Computer Science 2018-07-06 Yu Huang , Miaowen Wen , Lie-Liang Yang , Chan-Byoung Chae , Fei Ji

In this work, a directional modulation-based technique is devised to enhance the security of a multi-antenna wireless communication system employing M-PSK modulation to convey information. The directional modulation method operates by…

Information Theory · Computer Science 2016-04-15 Ashkan Kalantari , Mojtaba Soltanalian , Sina Maleki , Symeon Chatzinotas , Björn Ottersten

Digital watermarking is the process of embedding secret information by altering images in an undetectable way to the human eye. To increase the robustness of the model, many deep learning-based watermarking methods use the…

Multimedia · Computer Science 2024-05-20 Sijing Xie , Chengxin Zhao , Nan Sun , Wei Li , Hefei Ling

The underwater Unmanned Vehicles(UUVs) are pivot tools for offshore engineering and oceanographic research. Most existing UUVs do not facilitate easy integration of new or upgraded sensors. A solution to this problem is to have a modular…

Robotics · Computer Science 2025-06-10 Zhizun Xu , Baozhu Jia , Weichao Shi

Analog network coding (ANC) is a throughput increasing technique for the two-way relay channel (TWRC) whereby two end nodes transmit simultaneously to a relay at the same time and band, followed by the relay broadcasting the received sum of…

Information Theory · Computer Science 2017-03-07 Terry Ferrett , Matthew C. Valenti

Collaborative learning enhances the performance and adaptability of multi-robot systems in complex tasks but faces significant challenges due to high communication overhead and data heterogeneity inherent in multi-robot tasks. To this end,…

Robotics · Computer Science 2025-08-29 Jiaxi Huang , Yan Huang , Yixian Zhao , Wenchao Meng , Jinming Xu

Reliable coordination and efficient communication are critical challenges for multi-agent robotic exploration of environments where communication is limited. This work introduces Adaptive-RF Transmission (ART), a novel communication-aware…

Robotics · Computer Science 2026-02-13 Lorin Achey , Breanne Crockett , Christoffer Heckman , Bradley Hayes

For reentry or near space communication, owing to the influence of the time-varying plasma sheath channel environment, the received IQ baseband signals are severely rotated on the constellation. Researches have shown that the frequency of…

Signal Processing · Electrical Eng. & Systems 2019-05-31 Haoyan Liu , Yanming Liu , Ming Yang , Xiaoping Li

We analyze the problem of localization algorithms for underwater sensor networks. We first characterize the underwater channel for radio communications and adjust a linear model with measurements of real transmissions. We propose an…

Networking and Internet Architecture · Computer Science 2016-04-14 Javier Zazo , Santiago Zazo , Sergio Valcarcel Macua , Marina Pérez , Iván Pérez-Álvarez , Laura Cardona , Eduardo Quevedo

Due to the Internet of Things (IoT) proliferation, Radio Frequency (RF) channels are increasingly congested with new kinds of devices, which carry unique and diverse communication needs. This poses complex challenges in modern digital…

Signal Processing · Electrical Eng. & Systems 2022-04-05 Matthew Setzler , Elizabeth Coda , Jeremiah Rounds , Michael Vann , Michael Girard

Recently, acoustic communication employing Orbital Angular Momentum (OAM) opens another avenue for efficient data transmission in aquatic environments. Current topological charge (TC) detection of OAM beams relies on the orthogonality among…

Applied Physics · Physics 2024-11-01 Liulin Li , Bingyi Liu , Zhongyi Guo