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In this paper, we aim to maximize the energy efficiency of cellular wireless networks. Specifically, we address the power allocation problem in multi-cell multi-carrier systems. Considering realistic base station power consumption models,…

Networking and Internet Architecture · Computer Science 2016-10-18 Kemal Davaslioglu , Cemil Can Coskun , Ender Ayanoglu

In this paper, the performance of adaptive turbo equalization for nonlinearity compensation (NLC) is investigated. A turbo equalization scheme is proposed where a recursive least-squares (RLS) algorithm is used as an adaptive channel…

Signal Processing · Electrical Eng. & Systems 2021-09-07 Edson Porto da Silva , Metodi Plamenov Yankov

This paper focuses on robust transceiver design for throughput enhancement on the interference channel (IC), under imperfect channel state information (CSI). In this paper, two algorithms are proposed to improve the throughput of the…

Information Theory · Computer Science 2018-04-02 Ali Dalir , Hassan Aghaeinia , Mohammad Kazemi

Interference Alignment is a new solution to over- come the problem of interference in multiuser wireless com- munication systems. Recently, the Compute-and-Forward (CF) transform has been proposed to approximate the capacity of K- user…

Information Theory · Computer Science 2014-10-09 Ehsan Ebrahimi Khaleghi , Jean-Claude Belfiore

This paper investigates a robust joint power allocation and beamforming scheme for in-band full-duplex multi-cell multi-user (IBFD-MCMU) networks. A mean-squared error (MSE) minimization problem is formulated with constraints on the power…

Information Theory · Computer Science 2024-03-19 Haifeng Luo , Navneet Garg , Mark Holm , Tharmalingam Ratnarajah

Airtime interference is a key performance indicator for WLANs, measuring, for a given time period, the percentage of time during which a node is forced to wait for other transmissions before to transmitting or receiving. Being able to…

Networking and Internet Architecture · Computer Science 2022-11-28 Danilo Marinho Fernandes , Jonatan Krolikowski , Zied Ben Houidi , Fuxing Chen , Dario Rossi

The fundamental diversity-multiplexing tradeoff (DMT) of the quasi-static fading, symmetric $2$-user MIMO interference channel (IC) with channel state information at the transmitters (CSIT) and a short term average power constraint is…

Information Theory · Computer Science 2010-06-08 Sanjay Karmakar , Mahesh K. Varanasi

Filter bank multi carrier (FBMC) is considered a competitive waveform candidate for 5G that can replace orthogonal frequency division multiplexing (OFDM). However, channel estimation (CE) is a big challenge in FBMC because it suffers from…

Signal Processing · Electrical Eng. & Systems 2020-02-27 Radwa A. Roshdy , Mohamed A. Aboul-Dahab , Mohamed M. Fouad

Recently, the Degrees-of-Freedom (DoF) region of multiple-input-single-output (MISO) networks with imperfect channel state information at the transmitter (CSIT) has attracted significant attentions. An achievable scheme is known as…

Information Theory · Computer Science 2016-03-28 Chenxi Hao , Bruno Clerckx

Emerging wireless services with extremely high data rate requirements, such as real-time extended reality applications, mandate novel solutions to further increase the capacity of future wireless networks. In this regard, leveraging large…

Signal Processing · Electrical Eng. & Systems 2020-03-11 Reza Barazideh , Omid Semiari , Solmaz Niknam , Balasubramaniam Natarajan

This paper presents a novel framework for low-latency frequency division duplex (FDD) multi-input multi-output (MIMO) transmission with Internet of Things (IoT) communications. Our key idea is eliminating feedback associated with downlink…

Signal Processing · Electrical Eng. & Systems 2025-12-25 Juntaek Han , Namhyun Kim , Jeonghun Park

This paper deals with the problem of admission control/channel access in power-controlled decentralized wireless networks, in which the quality-of-service (QoS) is expressed in terms of the signal-to-interference ratio (SIR). We analyze a…

Information Theory · Computer Science 2010-01-06 Sławomir Stańczak , Michał Kaliszan , Nicholas Bambos

Channel state information (CSI) at the transmitters (CSIT) is of importance for interference alignment schemes to achieve the optimal degrees of freedom (DoF) for wireless networks. This paper investigates the impact of half-duplex relays…

Information Theory · Computer Science 2013-04-23 Ye Tian , Aylin Yener

We study the role of caches in wireless interference networks. We focus on content caching and delivery across a Gaussian interference network, where both transmitters and receivers are equipped with caches. We provide a constant-factor…

Information Theory · Computer Science 2019-01-08 Jad Hachem , Urs Niesen , Suhas Diggavi

Unlike wired networks, the capacity of a wireless network is interference limited due to the broadcast nature of wireless medium. Some multicast wireless network protocols do not consider channel assignment issue, that they cause…

Networking and Internet Architecture · Computer Science 2012-10-12 Abbas Nargesi , Mehdi Ghasemi

A fundamental aspect in performance engineering of wireless networks is optimizing the set of links that can be concurrently activated to meet given signal-to-interference-and-noise ratio (SINR) thresholds. The solution of this…

Information Theory · Computer Science 2015-03-19 Di Yuan , Vangelis Angelakis , Lei Chen , Eleftherios Karipidis , Erik G. Larsson

In this paper, we investigate the system performance of a multi-cell multi-user (MU) hybrid millimeter wave (mmWave) communications in a multiple-input multiple-output (MIMO) network. Due to the reuse of pilot symbols among different cells,…

Information Theory · Computer Science 2018-06-08 Lou Zhao , Zhiqiang Wei , Derrick Wing Kwan Ng , Jinhong Yuan , Mark C. Reed

Interference is traditionally viewed as a performance limiting factor in wireless communication systems, which is to be minimized or mitigated. Nevertheless, a recent line of work has shown that by manipulating the interfering signals such…

Interference networks with no channel state information at the transmitter (CSIT) except for the knowledge of the connectivity graph have been recently studied under the topological interference management (TIM) framework. In this paper, we…

Information Theory · Computer Science 2014-12-03 Xinping Yi , David Gesbert

Spectral efficiency for asynchronous code division multiple access (CDMA) with random spreading is calculated in the large system limit allowing for arbitrary chip waveforms and frequency-flat fading. Signal to interference and noise ratios…

Information Theory · Computer Science 2010-07-13 Laura Cottatellucci , Ralf R. Mueller , Merouane Debbah
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