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Related papers: Uplink User-Assisted Relaying in Cellular Networks

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In this paper, we analyze the impact of relays on the uplink performance of FDMA cellular networks. We focus our analysis on Decode and Forward techniques, with the aim of measuring the improvements which can be achieved in terms of…

Networking and Internet Architecture · Computer Science 2013-06-26 Federico Librino , Michele Zorzi

Cooperation in cellular networks has been recently suggested as a promising scheme to improve system performance, especially for cell-edge users. In this work, we use stochastic geometry to analyze cooperation models where the positions of…

Information Theory · Computer Science 2015-02-11 Anastasios Giovanidis , Francois Baccelli

We analyze the coverage probability of multi-user uplink cellular networks with fractional power control. We use a stochastic geometry approach where the mobile users are distributed as a Poisson Point Process (PPP), whereas the serving…

Information Theory · Computer Science 2020-04-02 F. Javier Martin-Vega , F. Javier Lopez-Martinez , Gerardo Gomez , Mari Carmen Aguayo-Torres

Multi-tier architecture improves the spatial reuse of radio spectrum in cellular networks, but it introduces complicated heterogeneity in the spatial distribution of transmitters, which brings new challenges in interference analysis. In…

Networking and Internet Architecture · Computer Science 2014-10-28 Wei Bao , Ben Liang

Though cooperative relaying is believed to be a promising technology to improve the energy efficiency of cellular networks, the relays' static power consumption might worsen the energy efficiency therefore can not be neglected. In this…

Networking and Internet Architecture · Computer Science 2016-11-17 Na Deng , Sihai Zhang , Wuyang Zhou , Jinkang Zhu

Relay nodes-enhanced architectures are deemed a viable solution to enhance coverage and capacity of nowadays cellular networks. Besides a number of desirable features, these architectures reduce the average distance between users and…

Networking and Internet Architecture · Computer Science 2015-05-06 Mattia Minelli , Maode Ma , Marceau Coupechoux , Jean-Marc Kelif , Marc Sigelle , Philippe Godlewski

In-band full-duplex (FD) communications have been optimistically promoted to improve the spectrum utilization and efficiency. However, the penetration of FD communications to the cellular networks domain is challenging due to the imposed…

Information Theory · Computer Science 2016-07-12 Ahmad AlAmmouri , Hesham ElSawy , Osama Amin , Mohamed-Slim Alouini

Future wireless networks are expected to be a convergence of many diverse network technologies and architectures, such as cellular networks, wireless local area networks, sensor networks, and device to device communications. Through…

Information Theory · Computer Science 2015-07-03 Young Jin Chun , Simon L. Cotton , Mazen O. Hasna , Ali Ghrayeb

There have been a bulk of analytic results about the performance of cellular networks where base stations are regularly located on a hexagonal or square lattice. This regular model cannot reflect the reality, and tends to overestimate the…

Networking and Internet Architecture · Computer Science 2015-03-19 Seung Min Yu , Seong-Lyun Kim

In a companion paper [1], we present a general approach to evaluate the impact of cognition in a downlink cellular system in which multiple relays assist the transmission of the base station. This approach is based on a novel theoretical…

Information Theory · Computer Science 2013-03-29 Stefano Riniy , Ernest Kurniawan , Levan Ghaghanidze , Andrea Goldsmith

Small cell networks are evolving as an economically viable solution to ameliorate the capacity and coverage of state-of-the-art wireless cellular systems. Nonetheless, the dense and unplanned deployment of the small cells (e.g., femtocells,…

Information Theory · Computer Science 2014-01-31 Hina Tabassum , Zaher Dawy , Ekram Hossain , Mohamed-Slim Alouini

By relying on a wireless backhaul link, relay stations enhance the performance of cellular networks at low infrastructure cost, but at the same time, they can aggravate the interference issue. In this paper, we analyze for several relay…

Information Theory · Computer Science 2015-03-24 Fanny Parzysz , Mai Vu , François Gagnon

This paper studies the performance of some state-of-the-art cooperative full-duplex relaying protocols in the context of a large wireless network modelled using stochastic geometry tools. We investigate the outage behaviour for different…

Information Theory · Computer Science 2018-01-12 Andres Altieri , Pablo Piantanida

Uplink cellular networks are interference-dominated but interference channel state information (CSI) is rarely available at scale. The emerging fluid antenna system (FAS) concept, which provides additional spatial degrees of freedom through…

Signal Processing · Electrical Eng. & Systems 2026-05-25 Chenguang Rao , Kai-Kit Wong , Xusheng Zhu , Hanjiang Hong , Chan-Byoung Chae , Ross Murch

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

This paper studies the information-theoretic secrecy performance in large-scale cellular networks based on a stochastic geometry framework. The locations of both base stations and mobile users are modeled as independent two-dimensional…

Information Theory · Computer Science 2014-01-09 He Wang , Xiangyun Zhou , Mark C. Reed

In this paper, we study the uplink of a cellular system using the linear deterministic approximation model, where there are two users transmitting to a receiver, mutually interfering with a third transmitter communicating with a second…

Information Theory · Computer Science 2011-04-04 J. Buehler , G. Wunder

The performance of a relay-based cellular network is greatly affected by the relay location within a cell. Existing results for optimal relay placement do not reflect how the radio propagation environment and choice of the coding scheme can…

Networking and Internet Architecture · Computer Science 2016-11-15 Fanny Parzysz , Mai Vu , François Gagnon

Stochastic geometry (SG) has been successfully used as a modelling tool for cellular networks to characterize the coverage probability in both the downlink (DL) and uplink (UL) systems, under the assumption that the base stations (BS) are…

Networking and Internet Architecture · Computer Science 2021-09-30 Hamed Nassar , Gehad Taher , El-Sayed El-Hady

Existing studies analyzing electromagnetic field (EMFE) in wireless networks have primarily considered downlink communications. In the uplink, the EMFE caused by the user's smartphone is usually the only considered source of radiation,…

Networking and Internet Architecture · Computer Science 2024-10-28 Quentin Gontier , Charles Wiame , Joe Wiart , François Horlin , Christo Tsigros , Claude Oestges , Philippe De Doncker
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