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We consider the three-receiver Gaussian multiple-input multiple-output (MIMO) broadcast channel with an arbitrary number of antennas at each of the transmitter and the receivers. We investigate the degrees-of-freedom (DoF) region of the…

Information Theory · Computer Science 2016-08-12 Behzad Asadi , Lawrence Ong , Sarah J. Johnson

This paper investigates the spectrum sharing between a multiple-input single-output (MISO) secure communication system and a multiple-input multiple-output (MIMO) radar system in the presence of one suspicious eavesdropper. We jointly…

Information Theory · Computer Science 2024-01-29 Peng Liu , Zesong Fei , Xinyi Wang , Zhong Zheng , Xiangnan Li , Jie Xu

We consider a discrete memoryless broadcast channel consists of two users and a sender. The sender has two independent confidential messages for each user. We extend the work of Liu et al.\ on broadcast channels with two confidential…

Information Theory · Computer Science 2016-02-02 Igor Bjelakovic , Jafar Mohammadi , Sławomir Stańczak

This paper considers an artificial noise (AN)-aided transmit design for multi-user MIMO systems with integrated services. Specifically, two sorts of service messages are combined and served simultaneously: one multicast message intended for…

Information Theory · Computer Science 2018-02-13 Weidong Mei , Zhi Chen , Jun Fang , Shaoqian Li

We consider the two-receiver memoryless broadcast channel with states where each receiver requests both common and private messages, and may know part of the private message requested by the other receiver as receiver message side…

Information Theory · Computer Science 2016-11-17 Behzad Asadi , Lawrence Ong , Sarah J. Johnson

The capacity region of a two-transmitter Gaussian multiple access channel (MAC) under average input power constraints is studied, when the receiver employs a zero-threshold one-bit analog-to-digital converter (ADC). It is proved that the…

Information Theory · Computer Science 2018-10-17 Borzoo Rassouli , Morteza Varasteh , Deniz Gunduz

In this paper, the role of secret key with finite rate is studied to enhance the secrecy performance of the system when users are operating in interference limited scenarios. To address this problem, a 2-user Gaussian Z-IC with secrecy…

Information Theory · Computer Science 2021-05-20 Somalatha U , Parthajit Mohapatra

In this paper, we consider the problem of power allocation in MIMO wiretap channel for secrecy in the presence of multiple eavesdroppers. Perfect knowledge of the destination channel state information (CSI) and only the statistical…

Information Theory · Computer Science 2014-01-16 Sanjay Vishwakarma , A. Chockalingam

The problem of jamming on multiple-input multiple-output (MIMO) Gaussian channels is investigated in this paper. In the case of a single target legitimate signal, we show that the existing result based on the simplification of the system…

Information Theory · Computer Science 2016-03-03 Jie Gao , Sergiy A. Vorobyov , Hai Jiang

This paper studies the value of limited rate cooperation between the transmitters for managing interference and simultaneously ensuring secrecy, in the 2-user Gaussian symmetric interference channel (GSIC). First, the problem is studied in…

Information Theory · Computer Science 2016-06-14 Parthajit Mohapatra , Chandra R. Murthy

Multiple antennas have been exploited for spatial multiplexing and diversity transmission in a wide range of communication applications. However, most of the advances in the design of high speed wireless multiple-input multiple output…

Information Theory · Computer Science 2017-04-26 Yongpeng Wu , Chengshan Xiao , Zhi Ding , Xiqi Gao , Shi Jin

In this paper, the individual secrecy of two-way wiretap channel is investigated, where two legitimate users' messages are separately guaranteed secure against an external eavesdropper. For one thing, in some communication scenarios, the…

Information Theory · Computer Science 2017-07-20 Chao Qi , Bin Dai , Xiaohu Tang

This paper investigates the secrecy capacity region of multiple access wiretap (MAC-WT) channels where, besides confidential messages, the users have also open messages to transmit. All these messages are intended for the legitimate…

Information Theory · Computer Science 2021-07-30 Hao Xu , Tianyu Yang , Kai-Kit Wong , Giuseppe Caire

This paper investigates information-theoretic oblivious transfer via a discrete memoryless broadcast channel with one sender and two receivers. We analyze both non-colluding and colluding honest-but-curious user models and establish general…

Information Theory · Computer Science 2025-10-30 Hadi Aghaee , Christian Deppe , Holger Boche

In a recent work, a capacity-achieving scheme for the common-message two-user MIMO broadcast channel, based on single-stream coding and decoding, was described. This was obtained via a novel joint unitary triangularization which is applied…

Information Theory · Computer Science 2011-06-01 Anatoly Khina , Ayal Hitron , Uri Erez

In this paper, we characterize the capacity region for the two-user linear Gaussian compound Multiple Access Channel with common message (MACC) and with intersymbol interference (ISI) under an input power constraint. The region is obtained…

Information Theory · Computer Science 2012-12-19 Mostafa Monemizadeh , Saeed Hajizadeh , Seyed Alireza Seyedin , Ghosheh Abed Hodtani

This paper concerns the transmission of two independent Gaussian sources over a two-user decentralized interference channel, assuming that the transmitters are unaware of the instantaneous CSIs. The availability of the channel state…

Signal Processing · Electrical Eng. & Systems 2017-12-21 Mohammadreza Darabi

Mission-critical communications (MCC) involve all communications between people in charge of the safety of the civil society. MCC have unique requirements that include improved reliability, security and group communication support. In this…

Information Theory · Computer Science 2020-12-11 Deepa Jagyasi , Marceau Coupechoux

We derive universal codes for transmission of broadcast and confidential messages over classical-quantum-quantum and fully quantum channels. These codes are robust to channel uncertainties considered in the compound model. To construct…

Quantum Physics · Physics 2020-05-20 Holger Boche , Gisbert Janßen , Sajad Saeedinaeeni

We investigate the problem of message transmission over time-varying single-user multiple-input multiple-output (MIMO) Rayleigh fading channels with average power constraint and with complete channel state information available at the…

Information Theory · Computer Science 2022-04-14 Rami Ezzine , Moritz Wiese , Christian Deppe , Holger Boche