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In this paper, we propose low complexity opportunistic methods for interference alignment in $K$-transmitter MIMO interference channels by exploiting multiuser diversity. We do not assume availability of channel state information (CSI) at…

Information Theory · Computer Science 2015-09-30 Atul Kumar Sinha , A. K. Chaturvedi

In this paper, we investigate the performance of selection cooperation in the presence of imperfect channel estimation. In particular, we consider a cooperative scenario with multiple relays and amplify-and- forward protocol over frequency…

Information Theory · Computer Science 2011-01-04 Mehdi Seyfi , Sami , Muhaidat , Jie Liang

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

Different from conventional passive reconfigurable intelligent surfaces (RISs), incident signals and thermal noise can be amplified at active RISs. By exploiting the amplifying capability of active RISs, noticeable performance improvement…

Information Theory · Computer Science 2025-04-02 Jinho Yang , Hyeongtaek Lee , Junil Choi

This paper presents a new Interference Alignment (IA) scheme for K-User Multiple Input Multiple Output (MIMO) Interference Channel (IC) based on two metaheuristics, namely Particle Swarm Optimization (PSO) and Artificial Bee Colony (ABC)…

Signal Processing · Electrical Eng. & Systems 2017-10-04 Lysa Ait Messaoud , Fatiha Merazka , Daniel Massicotte

In this paper, we study a layered random access scheme based on non-orthogonal multiple access (NOMA) to improve the throughput of multichannel ALOHA. At a receiver, successive interference cancellation (SIC) is carried out across layers to…

Information Theory · Computer Science 2017-12-11 Jinho Choi

In this paper, we propose two secure multiuser multiple-input multiple-output transmission approaches based on interference alignment (IA) in the presence of an eavesdropper. To deal with the information leakage to the eavesdropper as well…

Optimization and Control · Mathematics 2016-11-17 Kha Hoang Ha , Thanh Tung Vu , Trung Quang Duong , Nguyen-Son Vo

For the K user, single input single output (SISO), frequency selective interference channel, a new low complexity transmit beamforming design that improves the achievable sum rate is presented. Jointly employing the interference alignment…

Information Theory · Computer Science 2015-03-17 Douglas Kim , Murat Torlak

Millimeter wave (mmWave) communication with large antenna arrays is a promising technique to enable extremely high data rates due to the large available bandwidth in mmWave frequency bands. In addition, given the knowledge of an optimal…

Information Theory · Computer Science 2019-09-05 Sung-En Chiu , Nancy Ronquillo , Tara Javidi

In this paper, we propose a distributed multi-hop interference avoidance algorithm, namely, IAA to avoid co-channel interference inside a wireless body area network (WBAN). Our proposal adopts carrier sense multiple access with collision…

Networking and Internet Architecture · Computer Science 2016-11-03 Mohamad Jaafar Ali , Hassine Moungla , Ahmed Mehaoua

We study whether using non-orthogonal multiple access (NOMA) in the uplink of a mobile network can improve the performance over orthogonal multiple access (OMA) when the system requires ultra-reliable low-latency communications (URLLC). To…

Information Theory · Computer Science 2019-03-25 Sebastian Schiessl , Mikael Skoglund , James Gross

In this research paper approximate mean of signal-to-interference-plus-noise ratio (SINR) under imperfect channel state information (CSI) is computed and maximized for throughput enhancement of MIMO interference networks. Each transmitter…

Information Theory · Computer Science 2018-08-03 Ali Dalir , Hassan Aghaeinia

In unmanned aerial vehicle (UAV) networks, directional modulation (DM) is adopted to improve the secrecy rate (SR) performance. Alice, a ground base station, behaves as a control center, and Bob is a UAV of flying along a linear flight…

Information Theory · Computer Science 2018-08-15 Feng Shu , Zaoyu Lu , Jinyong Lin , Linlin Sun , Xiaobo Zhou , Tingting Liu , Shuo Zhang , Wenlong Cai , Jinhui Lu , Jin Wang

In doubly selective channels, receiver windowing constitutes an effective technique for enhancing the banded structure of the frequency-domain channel matrix, and thus improving the effectiveness of a banded equalizer for intercarrier…

Information Theory · Computer Science 2016-09-19 Evangelos Vlachos , Kostas Berberidis

Independent Component Analysis (ICA) is a dimensionality reduction technique that can boost efficiency of machine learning models that deal with probability density functions, e.g. Bayesian neural networks. Algorithms that implement…

Machine Learning · Computer Science 2017-07-10 Mahdi Nazemi , Shahin Nazarian , Massoud Pedram

Networked power grid systems are susceptible to a phenomenon known as Coherent Swing Instability (CSI), in which a subset of machines in the grid lose synchrony with the rest of the network. We develop network level evaluation metrics to…

Physics and Society · Physics 2019-05-24 Daniel Dylewsky , Xiu Yang , Alexandre Tartakovsky , J. Nathan Kutz

In this paper, we first propose interference alignment (IA) scheme for uplink transmission of multiple-input-mulitple-output (MIMO) cellular network with a help of relay which operates in halfduplex mode. The proposed scheme only requires…

Information Theory · Computer Science 2017-05-23 Hoyoun Kim , Jong-Seon No

Cooperative-integrated sensing and communication (C-ISAC) networks have emerged as promising solutions for communication and target sensing. However, imperfect channel state information (CSI) estimation and time synchronization (TS) errors…

Signal Processing · Electrical Eng. & Systems 2025-01-28 Yue Xiu , Yang Zhao , Ran Yang , Dusit Niyato , Jing Jin , Qixing Wang , Guangyi Liu , Ning Wei

Data traffic over wireless communication networks has experienced a tremendous growth in the last decade, and it is predicted to exponentially increase in the next decades. Enabling future wireless networks to fulfill this expectation is a…

Information Theory · Computer Science 2014-11-12 Nima Najari Moghadam , Hamed Farhadi , Per Zetterberg , Majid Nasiri Khormuji , Mikael Skoglund

AI-enhanced interference rejection in radio frequency (RF) transmissions has recently attracted interest because deep learning approaches trained on both the signal of interest (SOI) and the signal mixture (SOI plus interference) can…

Signal Processing · Electrical Eng. & Systems 2026-05-04 Rahul Jain , Pierre Trepagnier , Rick Gentile , Joey Botero , Alexia Schulz
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