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In this paper, the outage performance of relay-assisted millimeter wave (mmWave) cellular systems employing joint spatial division and multiplexing (JSDM) is investigated. It is assumed that the macro base station (BS) equipped with a large…

Information Theory · Computer Science 2018-06-26 Jun Chen , Deli Qiao

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

We consider the problem of coordinated multi- cell downlink beamforming in massive multiple input multiple output (MIMO) systems consisting of N cells, Nt antennas per base station (BS) and K user terminals (UTs) per cell. Specifically, we…

Information Theory · Computer Science 2015-04-09 Subhash Lakshminarayana , Mohamad Assaad , Merouane Debbah

The millimeter wave (mmWave) bands are likely to play a significant role in next generation cellular systems due to the possibility of very high throughput thanks to the availability of massive bandwidth and high-dimensional antennas.…

In the wireless environment, dissemination techniques may improve data access for the users. In this paper, we show a description of dissemination architecture that fits the overall telecommunication network. This architecture is designed…

Networking and Internet Architecture · Computer Science 2010-07-15 Ahmad Saad Al-Mogren

A cellular multiple-input multiple-output (MIMO) downlink system is studied in which each base station (BS) transmits to some of the users, so that each user receives its intended signal from a subset of the BSs. This scenario is referred…

Information Theory · Computer Science 2013-02-12 Saeed Kaviani , Osvaldo Simeone , Witold A Krzymień , Shlomo Shamai

The non-orthogonal coexistence between the enhanced mobile broadband (eMBB) and the ultra-reliable low-latency communication (URLLC) in the downlink of a multi-cell massive MIMO system is rigorously analyzed in this work. We provide a…

Information Theory · Computer Science 2023-01-10 Giovanni Interdonato , Stefano Buzzi , Carmen D'Andrea , Luca Venturino , Ciro D'Elia , Paolo Vendittelli

Cell-free massive MIMO is one of the key technologies for future wireless communications, in which users are simultaneously and jointly served by all access points (APs). In this paper, we investigate the minimum mean square error (MMSE)…

Information Theory · Computer Science 2021-12-28 Mangqing Guo , M. Cenk Gursoy

We use stochastic geometry to analyze the performance of a partial decode-and-forward (PDF) relaying scheme applied in a user-assisted relaying setting, where an active user relays data through another idle user in uplink cellular…

Information Theory · Computer Science 2015-07-07 Hussain Elkotby , Mai Vu

This paper studies the covariance based activity detection problem in a multi-cell massive multiple-input multiple-output (MIMO) system, where the active devices transmit their signature sequences to multiple base stations (BSs), and the…

Information Theory · Computer Science 2023-05-25 Ziyue Wang , Ya-Feng Liu , Zhaorui Wang , Wei Yu

In recent years dynamical modelling has been provided with a range of breakthrough methods to perform exact Bayesian inference. However it is often computationally unfeasible to apply exact statistical methodologies in the context of large…

Computation · Statistics 2014-12-24 Umberto Picchini , Julie Lyng Forman

Mobility management is a major challenge for the wide-spread deployment of millimeter-wave (mmWave) cellular networks. In particular, directional beamforming in mmWave devices renders high-speed mobility support very complex. This…

Signal Processing · Electrical Eng. & Systems 2019-12-17 Somayeh Aghashahi , Samaneh Aghashahi , Zolfa Zeinalpour-Yazdi , Aliakbar Tadaion , Arash Asadi

In this paper we present a distributed clustering protocol for mobile wireless sensor networks. A large majority of research in clustering and routing algorithms for WSNs assume a static network and hence are rendered inefficient in cases…

Networking and Internet Architecture · Computer Science 2015-10-27 Abhinav Singh , Awadhesh Kumar Singh

This paper considers a multi-cell AirComp network and investigates the optimal power control policies over multiple cells to regulate the effect of inter-cell interference. First, we consider the scenario of centralized multi-cell power…

Information Theory · Computer Science 2020-07-24 Xiaowen Cao , Guangxu Zhu , Jie Xu , Kaibin Huang

This paper investigates the capacity scaling of multicell massive MIMO systems in the presence of spatially correlated fading. In particular, we focus on the strong spatial correlation regimes where the covariance matrix of each user…

Information Theory · Computer Science 2019-12-10 Junyoung Nam , Giuseppe Caire , Merouane Debbah , H. Vincent Poor

Multi-cell processing, also called Coordinated Multiple Point (CoMP), is a very promising distributed multi-antennas technique that uses neighbour cell's antennas. This is expected to be part of next generation cellular networks standards…

Networking and Internet Architecture · Computer Science 2011-10-14 Virgile Garcia , Jean-Marie Gorce , Nikolai Lebedev

This paper presents an initial investigation into the combination of integrated sensing and communication (ISAC) and massive communication, both of which are largely regarded as key scenarios in sixth-generation (6G) wireless networks.…

Signal Processing · Electrical Eng. & Systems 2025-10-17 Junyuan Gao , Weifeng Zhu , Shuowen Zhang , Yongpeng Wu , Jiannong Cao , Giuseppe Caire , Liang Liu

The migratory dynamics of cells in physiological processes, ranging from wound healing to cancer metastasis, rely on contact-mediated cell-cell interactions. These interactions play a key role in shaping the stochastic trajectories of…

Massive multiple-input multiple-output (MIMO) is a fundamental enabler to provide high data throughput in next generation cellular networks. By equipping the base stations (BSs) with tens or hundreds of antenna elements, narrow and high…

Networking and Internet Architecture · Computer Science 2018-01-26 Paolo Baracca , Andreas Weber , Thorsten Wild , Christophe Grangeat

Future cellular networks are expected to support new communication paradigms such as machine-type communication (MTC) services along with conventional human-type communication (HTC) services. This requires base stations to serve a large…

Information Theory · Computer Science 2018-08-29 Kamil Senel , Emil Björnson , Erik G. Larsson