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Related papers: Compute-and-Forward for the Interference Channel: …

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Compute-forward multiple access (CFMA) is a multiple access transmission scheme based on Compute-and-Forward (CF) which allows the receiver to first decode linear combinations of the transmitted signals and then solve for individual…

Information Theory · Computer Science 2023-05-29 Lanwei Zhang , Jamie Evans , Jingge Zhu

We study the high-power asymptotic behavior of the sum-rate capacity of multi-user interference networks with an equal number of transmitters and receivers. We assume that each transmitter is cognizant of the message it wishes to convey to…

Information Theory · Computer Science 2016-11-15 Amos Lapidoth , Shlomo Shamai , Michele A. Wigger

We consider an optimal flow distribution problem in which the goal is to find a radial configuration that minimizes resistance-induced quadratic distribution costs while ensuring delivery of inputs from multiple sources to all sinks to meet…

Data Structures and Algorithms · Computer Science 2024-10-21 Joan Vendrell , Russell Bent , Solmaz Kia

This paper considers the use of an intelligent reconfigurable surface (IRS) to aid wireless communication systems. The main goal is to compare this emerging technology with conventional decode-and-forward (DF) relaying. Unlike prior…

Information Theory · Computer Science 2022-03-16 Andrea De Jesus Torres , Luca Sanguinetti , Emil Björnson

Interference alignment (IA) is a cooperative transmission strategy that, under some conditions, achieves the interference channel's maximum number of degrees of freedom. Realizing IA gains, however, is contingent upon providing transmitters…

Information Theory · Computer Science 2013-04-15 Omar El Ayach , Angel Lozano , Robert W. Heath

Future wireless communications systems are expected to operate at bands above 100GHz. The high energy consumption of analog-to-digital converters, due to their high resolution represents a bottleneck for future wireless communications…

Information Theory · Computer Science 2025-02-25 D. Melo , L. Landau , R. de Lamare

In multi-user wireless packet networks interference, typically modeled as packet collision, is the throughput bottleneck. Users become aware of the interference pattern via feedback and use this information for contention resolution and for…

Information Theory · Computer Science 2018-07-24 Alireza Vahid , Robert Calderbank

In a multihop wireless network, wireless interference is crucial to the maximum multiflow (MMF) problem, which studies the maximum throughput between multiple pairs of sources and sinks. In this paper, we observe that network coding could…

Information Theory · Computer Science 2012-02-15 Jin-Yi Zhou , Shu-Tao Xia , Yong Jiang , Hai-Tao Zheng

This paper studies the interference broadcast channel comprising multiple multi-antenna Base Stations (BSs), each controlling a beyond diagonal Reconfigurable Intelligent Surface (RIS) and serving multiple single-antenna users. Wideband…

Information Theory · Computer Science 2024-09-09 Konstantinos D. Katsanos , Paolo Di Lorenzo , George C. Alexandropoulos

As network deployments become denser, interference arises as a dominant performance degradation factor. To confront with this trend, Long Term Evolution (LTE) incorporated features aiming at enabling cooperation among different base…

Information Theory · Computer Science 2017-01-24 George C. Alexandropoulos , Paul Ferrand , Constantinos B. Papadias

Compute-forward multiple access (CFMA) is a multiple access transmission scheme based on Compute-and-Forward (CF) which allows the receiver to first decode linear combinations of the transmitted signals and then solve for individual…

Information Theory · Computer Science 2024-09-11 Lanwei Zhang , Jamie Evans , Jingge Zhu

The degrees of freedom (DoF) of the multiple-input multiple-output (MIMO) Interference Broadcast Channel (IBC) with 2 cells and 2 users per cell are investigated when only delayed channel state information is available at the transmitter…

Information Theory · Computer Science 2016-11-17 Marc Torrellas , Adrian Agustin , Josep Vidal

We propose a simple and fast method for providing a high quality solution for the sum-interference minimization problem. As future networks are deployed in high density urban areas, improved clustering methods are needed to provide low…

Social and Information Networks · Computer Science 2021-11-02 Péter L. Erdős , Tamás Róbert Mezei , Yiding Yu , Xiang Chen , Wei Han , Bo Bai

We address in this paper decoding aspects of the Compute-and-Forward (CF) physical-layer network coding strategy. It is known that the original decoder for the CF is asymptotically optimal. However, its performance gap to optimal decoders…

Information Theory · Computer Science 2014-04-18 Asma Mejri , Ghaya Rekaya-Ben Othman

The compute-and-forward (CMF) method has shown a great promise as an innovative approach to exploit interference toward achieving higher network throughput. The CMF was primarily introduced by means of information theory tools. While there…

Information Theory · Computer Science 2013-04-25 Mohsen Hejazi , Masoumeh Nasiri-Kenari

We consider the opportunistic multiuser diversity in the multiuser two-way amplify-and-forward (AF) relay channel. The relay, equipped with multiple antennas and a simple zero-forcing beam-forming scheme, selects a set of two way relaying…

Information Theory · Computer Science 2015-07-17 Duckdong Hwang , Bruno Clerckx , Sung Sik Nam , Tae-Jin Lee

We study a cloud network with M distributed receiving antennas and L users, which transmit their messages towards a centralized decoder (CD), where M>=L. We consider that the cloud network applies the Compute-and-Forward (C&F) protocol,…

Information Theory · Computer Science 2016-11-17 Koralia N. Pappi , Panagiotis D. Diamantoulakis , Hadi Otrok , George K. Karagiannidis

The congestion control algorithms in TCP may incur inferior performance in a lossy network context like wireless networks. Previous works have shown that random linear network coding can improve the throughput of TCP in such networks,…

Networking and Internet Architecture · Computer Science 2014-08-13 Yang Chi , Dharma P. Agrawal

We consider the $K$-user Multiple Input Multiple Output (MIMO) Gaussian interference channel with $M$ antennas at each transmitter and $N$ antennas at each receiver. It is assumed that channel coefficients are constant and are available at…

Information Theory · Computer Science 2016-11-15 Akbar Ghasemi , Abolfazl Seyed Motahari , Amir Keyvan Khandani

Adaptive interference cancellation is rapidly becoming a necessity for our modern wireless communication systems, due to the proliferation of wireless devices that interfere with each other. To cancel interference, digital beamforming…

Machine Learning · Computer Science 2021-03-09 Shuang Li , Payam Nayeri , Michael B. Wakin