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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

We consider capacity maximization in wireless networks under adversarial interference conditions. There are n links, each consisting of a sender and a receiver, which repeatedly try to perform a successful transmission. In each time step,…

Data Structures and Algorithms · Computer Science 2013-07-24 Johannes Dams , Martin Hoefer , Thomas Kesselheim

Narrowband IoT (NB-IoT) is the latest IoT connectivity solution presented by the 3GPP. NB-IoT introduces coverage classes and introduces a significant link budget improvement by allowing repeated transmissions by nodes that experience high…

Information Theory · Computer Science 2018-07-17 Amin Azari , Guowang Miao , Cedomir Stefanovic , Petar Popovski

To support reliable and low-latency communication, Time-Sensitive Networking introduced protocols and interfaces for resource allocation in Ethernet. However, the implementation of these allocation algorithms has not yet been covered by the…

Networking and Internet Architecture · Computer Science 2025-08-27 Lisa Maile , Kai-Steffen Hielscher , Reinhard German

Interference alignment is a signaling technique that provides high multiplexing gain in the interference channel. It can be extended to multi-hop interference channels, where relays aid transmission between sources and destinations. In…

Information Theory · Computer Science 2016-11-15 Kien T. Truong , Philippe Sartori , Robert W. Heath

Recent information theoretic results suggest that precoding on the multi-user downlink MIMO channel with delayed channel state information at the transmitter (CSIT) could lead to data rates much beyond the ones obtained without any CSIT,…

Information Theory · Computer Science 2012-07-10 Xinping Yi , David Gesbert

In this paper, the $K$-user interference channel with secrecy constraints is considered with delayed channel state information at transmitters (CSIT). We propose a novel secure retrospective interference alignment scheme in which the…

Information Theory · Computer Science 2020-01-08 Mohamed Seif , Ravi Tandon , Ming Li

Cellular networks provide communication for different applications. Some applications have strict and very short latency requirements, while others require high bandwidth with varying priorities. The challenge of satisfying the requirements…

Networking and Internet Architecture · Computer Science 2022-10-03 Li-on Raviv , Amir Leshem

The paper studies a class of three user Gaussian interference channels. A new layered lattice coding scheme is introduced as a transmission strategy. The use of lattice codes allows for an "alignment" of the interference observed at each…

Information Theory · Computer Science 2008-09-26 Sriram Sridharan , Amin Jafarian , Sriram Vishwanath , Syed A. Jafar , Shlomo Shamai

Joint phase-time arrays (JPTA) emerge as a cost-effective and energy-efficient architecture for frequency-dependent beamforming in wideband communications by utilizing both true-time delay units and phase shifters. This paper exploits the…

Information Theory · Computer Science 2025-01-28 Yeyue Cai , Meixia Tao , Jianhua Mo , Shu Sun

This paper studies large-scale dynamical networks where the current state of the system is a linear transformation of the previous state, contaminated by a multivariate Gaussian noise. Examples include stock markets, human brains and gene…

Computation · Statistics 2015-06-23 Yiyuan She , Yuejia He , Shijie Li , Dapeng Wu

For millimeter wave (mmWave) or Terahertz (THz) communications, by leveraging the high spatial resolution offered by large antenna arrays and the multi-path sparsity of mmWave/THz channels, a novel inter-symbol interference (ISI) mitigation…

Signal Processing · Electrical Eng. & Systems 2023-07-18 Jieni Zhang , Yong Zeng

Multi-user Orthogonal Frequency Division Multiplexing (OFDM) and Multiple Output Multiple Output (MIMO) have been widely adopted to enhance the system throughput and combat the detrimental effects of wireless channels. Recently,…

Information Theory · Computer Science 2015-02-18 Yi Xu , Shiwen Mao , Xin Su

This paper proposes the first known universal interference alignment scheme for general $(1\times{}1)^K$ interference networks, either Gaussian or deterministic, with only 2 symbol extension. While interference alignment is theoretically…

Information Theory · Computer Science 2013-01-01 Haishi Ning , Maria~Estela , Cong Ling

We consider the problem of coding over the multi-user Interference Channel (IC). It is well-known that aligning the interfering signals results in improved achievable rates in certain setups involving more than two users. We argue that in…

Information Theory · Computer Science 2016-02-18 F. Shirani , S. S. Pradhan

When several dynamical systems interact, the transmission of the information between them necessarily implies a time delay. When the time delay is not negligible, the study of the dynamics of these interactions deserve a special treatment.…

Adaptation and Self-Organizing Systems · Physics 2019-01-31 Alexandre Wagemakers , Javier Used , Miguel A. F. Sanjuán

This paper considers a cooperative jamming (CJ)-aided secure wireless communication system. Conventionally, the jammer transmits Gaussian noise (GN) to enhance security; however, the GN scheme also degrades the legitimate receiver's…

Information Theory · Computer Science 2025-10-08 Hao Yang , Hao Xu , Kai Wan , Sijie Zhao , Robert Caiming Qiu

The interplay between timeliness and rate efficiency is investigated in packet erasure broadcast channels with feedback. A scheduling framework is proposed in which coding actions, as opposed to users, are scheduled to attain desired…

Information Theory · Computer Science 2021-03-11 Xingran Chen , Renpu Liu , Shaochong Wang , Shirin Saeedi Bidokhti

Due to dense deployments of Internet of things (IoT) networks, interference management becomes a critical challenge. With the proliferation of aerial IoT devices, such as unmanned aerial vehicles (UAVs), interference characteristics in 3D…

Signal Processing · Electrical Eng. & Systems 2020-02-05 Sung Joon Maeng , Mrugen Deshmukh , İsmail Güvenç , Huaiyu Dai , Arupjyoti Bhuyan

Two mobile agents, starting from different nodes of a network modeled as a graph, and woken up at possibly different times, have to meet at the same node. This problem is known as rendezvous. We consider deterministic distributed rendezvous…

Data Structures and Algorithms · Computer Science 2023-11-23 Avery Miller , Andrzej Pelc