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In this work, we propose a secret key generation procedure specifically designed for the inter-spacecraft communication links. As a novel secrecy source, the spacecrafts utilize Doppler frequency shift based measurements. In this way, the…

Signal Processing · Electrical Eng. & Systems 2021-05-05 Ozan Alp Topal , Gunes Karabulut Kurt , Halim Yanikomeroglu

Wireless channel measurement results for 60 GHz within a closed metal cabinet are provided. A metal cabinet is chosen to emulate the environment within a mechatronic system, which have metal enclosures in general. A frequency domain…

Resilience and power consumption are two important performance metrics for many modern communication systems, and it is therefore important to define, analyze, and optimize them. In this work, we consider a wireless communication system…

Information Theory · Computer Science 2025-11-17 Karl-Ludwig Besser , Rafael F. Schaefer , H. Vincent Poor

This paper proposes a novel and simple orthogonal faster than Nyquist (OFTN) data transmission and detection approach for a single input multiple output (SIMO) system. It is assumed that the signal having a bandwidth $B$ is transmitted…

Information Theory · Computer Science 2017-07-25 Tadilo Endeshaw Bogale , Long Bao Le , Xianbin Wang , Luc Vandendorpe

High-quality recordings of radio frequency (RF) emissions from commercial communication hardware in realistic environments are often needed to develop and assess spectrum-sharing technologies and practices, e.g., for training and testing…

Signal Processing · Electrical Eng. & Systems 2022-02-21 Jack Sklar , Adam Wunderlich

In this paper, a multilayer perceptron guided key generation for encryption/decryption (MLPKG) has been proposed through recursive replacement using mutated character code generation for wireless communication of data/information.…

Cryptography and Security · Computer Science 2012-08-14 Arindam Sarkar , J. K. Mandal

Information-theoretic secret-key agreement is perhaps the most practically feasible mechanism that provides unconditional security at the physical layer to date. In this paper, we consider the problem of secret-key agreement by sharing…

Future wireless communication systems must simultaneously address multiple challenges to ensure accurate data detection, deliver high Quality of Service (QoS), adding enable a high data transmission with low system design. Additionally,…

Information Theory · Computer Science 2024-10-03 Amina Darghouthi , Abdelhakim Khlifi , Belgacem Chibani

We consider wireless sensor networks secured by the heterogeneous random key predistribution scheme under an on/off channel model. The heterogeneous random key predistribution scheme considers the case when the network includes sensor nodes…

Networking and Internet Architecture · Computer Science 2017-01-05 Rashad Eletreby , Osman Yağan

In this paper, the minimum channel gain flow with uncertainty in the demand vector is examined. The approach is based on a transformation of uncertainty in the demand vector to uncertainty in the gain vector. OFDM systems are known to…

Other Computer Science · Computer Science 2010-03-25 F. A. Hla Myo Tun , S. B. Aye Thandar Phyo , T. C. Zaw Min Naing

This study examines the flexible utilization of existing IM techniques in a comprehensive manner to satisfy the challenging and diverse requirements of 5G and beyond services. After spatial modulation (SM), which transmits information bits…

Signal Processing · Electrical Eng. & Systems 2020-10-05 Seda Dogan-Tusha , Armed Tusha , Ertugrul Basar , Huseyin Arslan

Quantum Key Distribution (QKD) can guarantee security for practical indoor optical wireless environments. The key challenges are to mitigate artificial lighting and ambient light at the receiver. A new spectral region for QKD is proposed…

Signal Processing · Electrical Eng. & Systems 2020-04-29 Vincent Lee , Dominic OBrien

This thesis investigate the channel estimation and the postprocessing of the quantum key distribution protocols. In particular, we propose a new channel estimation procedure, in which we utilize the bit sequences transmitted and received by…

Quantum Physics · Physics 2009-04-14 Shun Watanabe

Optimal power allocation for orthogonal frequency division multiplexing (OFDM) wiretap channels with Gaussian channel inputs has already been studied in some previous works from an information theoretical viewpoint. However, these results…

Information Theory · Computer Science 2016-11-18 Haohao Qin , Yin Sun , Tsung-Hui Chang , Xiang Chen , Chong-Yung Chi , Ming Zhao , Jing Wang

A telecommunication system uses carriers in order to transmit information through a cable or wirelessly. If each time only one carrier is transmitted, then the system s signal will not be immune to frequency selective fading. If frequency…

Signal Processing · Electrical Eng. & Systems 2018-07-10 Spyridon K. Chronopoulos , Vasilis Christofilakis , Giorgos Tatsis , Panos Kostarakis

The acquisition of accurate channel state information (CSI) is of utmost importance since it provides performance improvement of wireless communication systems. However, acquiring accurate CSI, which can be done through channel estimation…

Information Theory · Computer Science 2023-06-01 Pedro E. G. Silva , Jules M. Moualeu , Pedro H. Nardelli , Rausley A. A. de Souza

In this paper, we study the problem of secret key generation from both correlated sources and a secure channel. We obtain the optimal secret key rate in this problem and show that the optimal scheme is to conduct secret key generation and…

Information Theory · Computer Science 2017-04-19 Daming Cao , Wei Kang

This article presents our initial results in deep learning for channel estimation and signal detection in orthogonal frequency-division multiplexing (OFDM). OFDM has been widely adopted in wireless broadband communications to combat…

Information Theory · Computer Science 2017-08-30 Hao Ye , Geoffrey Ye Li , Biing-Hwang Fred Juang

Fast secure random number generation is essential for high-speed encrypted communication, and is the backbone of information security. Generation of truly random numbers depends on the intrinsic randomness of the process used and is usually…

Quantum Physics · Physics 2019-05-15 Ben Haylock , Daniel Peace , Francesco Lenzini , Christian Weedbrook , Mirko Lobino

We study covert communication and covert secret key generation with positive rates over quantum state-dependent channels. Specifically, we consider fully quantum state-dependent channels when the transmitter shares an entangled state with…

Information Theory · Computer Science 2025-12-01 Hassan ZivariFard , Rémi A. Chou , Xiaodong Wang
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