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Wireless networks employing small cells like femtocells are considered to be the choice of network deployment for 4G or advanced networks. This hierarchical deployment of cells introduces the necessity of effective frequency planning for…

Networking and Internet Architecture · Computer Science 2018-10-08 Md. Tashikur Rahman , Md. Didarul Alam , Mostafa Zaman Chowdhury

In this paper, the optimal spectral efficiency (data rate divided by the message bandwidth) that minimizes the probability of causing disruptive interference for ad hoc wireless networks or cognitive radios is investigated. Two basic…

Information Theory · Computer Science 2015-03-18 Daniel W. Bliss , Siddhartan Govindasamy

Due to the increased usage of spectrum caused by the exponential growth of wireless devices, detecting and avoiding interference has become an increasingly relevant problem to ensure uninterrupted wireless communications. In this paper, we…

Networking and Internet Architecture · Computer Science 2023-01-24 Clifton Paul Robinson , Daniel Uvaydov , Salvatore D'Oro , Tommaso Melodia

We study the problem of controlling the interference created to an external observer by a communication processes. We model the interference in terms of its type (empirical distribution), and we analyze the consequences of placing…

Information Theory · Computer Science 2014-02-19 Ricardo Blasco-Serrano , Ragnar Thobaben , Mikael Skoglund

A fundamental problem in wireless sensor networks is to connect a given set of sensors while minimizing the \emph{receiver interference}. This is modeled as follows: each sensor node corresponds to a point in $\mathbb{R}^d$ and each…

Computational Geometry · Computer Science 2014-07-01 Yves Brise , Kevin Buchin , Dustin Eversmann , Michael Hoffmann , Wolfgang Mulzer

Virtual cell optimization clusters cells into neighborhoods and performs optimized resource allocation over each neighborhood. In prior works we proposed resource allocation schemes to mitigate the interference caused by transmissions in…

Signal Processing · Electrical Eng. & Systems 2021-11-16 Michal Yemini , Elza Erkip , Andrea J. Goldsmith

In recent years, machine learning techniques have been explored to support, enhance or augment wireless systems especially at the physical layer of the protocol stack. Traditional ML based approach or optimization is often not suitable due…

Signal Processing · Electrical Eng. & Systems 2019-02-13 Nikhil Gulati , Rohit Bahl , Kapil R. Dandekar

This paper provides a unified framework to study the performance of successive interference cancellation (SIC) in wireless networks with arbitrary fading distribution and power-law path loss. An analytical characterization of the…

Information Theory · Computer Science 2014-02-10 Xinchen Zhang , Martin Haenggi

This paper investigates the agent design for solving the wireless resource allocation problem without sufficient channel state information (CSI), which cannot be effectively solved via conventional method. In the considered wireless agent…

Systems and Control · Electrical Eng. & Systems 2026-04-21 Ran Yi , Ruopeng Xu , Dongshu Zhao , Zhaoyang Zhang , Baolin Chen , Kai-Kit Wong , Hyundong Shin , Zhaohui Yang

Interference is emerging as a fundamental bottleneck in many important wireless communication scenarios, including dense cellular networks and cognitive networks with spectrum sharing by multiple service providers. Although multipleantenna…

Information Theory · Computer Science 2011-02-16 P. de Kerret , D. Gesbert

We study the fair coexistence of scheduled and random access transmitters sharing the same frequency channel. Interest in coexistence is topical due to the need for emerging unlicensed LTE technologies to coexist fairly with WiFi. However,…

Networking and Internet Architecture · Computer Science 2016-05-03 Cristina Cano , Douglas J. Leith , Andres Garcia-Saavedra , Pablo Serrano

In these series of multi-part papers, a systematic study of fundamental limits of communications in interference networks is established. Here, interference network is referred to as a general single-hop communication scenario with…

Information Theory · Computer Science 2013-02-18 Reza K. Farsani

In this paper we study the relay-interference wireless network, in which relay (helper) nodes are to facilitate competing information flows over a wireless network. We examine this in the context of a deterministic wireless interaction…

Information Theory · Computer Science 2008-12-10 Soheil Mohajer , Suhas N. Diggavi , Christina Fragouli , David N. C. Tse

The existence of unknown interference is a prevalent problem in wireless communication networks. Especially in multi-user multiple-input multiple-output (MIMO) networks, where a large number of user equipments are served on the same…

Signal Processing · Electrical Eng. & Systems 2023-05-15 Mahmoud Zaher , Emil Björnson , Marina Petrova

A customary solution to reduce the energy consumption of wireless communication devices is to periodically put the radio into low-power sleep mode. A relevant problem is to schedule the wake-up of nodes in such a way as to ensure proper…

Networking and Internet Architecture · Computer Science 2011-06-09 Francesco De Pellegrini , Karina Gomez , Daniele Miorandi , Imrich Chlamtac

The index coding problem is studied from an interference alignment perspective, providing new results as well as new insights into, and generalizations of, previously known results. An equivalence is established between multiple unicast…

Information Theory · Computer Science 2012-05-08 Hamed Maleki , Viveck R. Cadambe , Syed A. Jafar

A channel delay spread larger than the cyclic prefix (CP) creates inter-carrier/symbol interference (ISI/ICI) in orthogonal frequency-division multiplexing (OFDM). Recent interests in low-latency applications have motivated the usage of…

Information Theory · Computer Science 2021-02-12 Renaud-Alexandre Pitaval

During the last decade, wireless data services have had an incredible impact on people's lives in ways we could never have imagined. The number of mobile devices has increased exponentially and data traffic has almost doubled every year.…

Signal Processing · Electrical Eng. & Systems 2024-01-04 Nessrine Trabelsi , Lamia Chaari Fourati , Chung Shue Chen

This paper addresses an interference channel consisting of $\mathbf{n}$ active users sharing $u$ frequency sub-bands. Users are asynchronous meaning there exists a mutual delay between their transmitted codes. A stationary model for…

Information Theory · Computer Science 2010-06-17 Kamyar Moshksar , Amir K. Khandani

In this work, we investigate the capacity allocation problem in the energy harvesting wireless sensor networks (WSNs) with interference channel. For the fixed topologies of data and energy, we formulate the optimization problem when the…

Networking and Internet Architecture · Computer Science 2018-10-31 Dongbin Jiao , Liangjun Ke , Shengbo Liu , Felix T. S. Chan