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Competing cellular operators aggressively share infrastructure in many major US markets. If operators also were to share spectrum in next-generation millimeter-wave (mmWave) networks, intra-cellular interference will become correlated with…

Information Theory · Computer Science 2018-01-17 Rebal Jurdi , Abhishek K. Gupta , Jeffrey G. Andrews , Robert W. Heath

In mmWave networks, a large or nearby object can obstruct multiple communication links, which results in spatial correlation in the blocking probability between a user and two or more base stations (BSs). This paper characterizes this…

Information Theory · Computer Science 2021-12-14 Saurabh Kumar Gupta , Vikrant Malik , Abhishek K. Gupta , Jeffrey G. Andrews

Meta-surfaces intend to improve significantly the performance of future wireless networks by controlling the wireless propagation and shaping the radio waves according to the generalized Snell's law. A recent application of meta-surfaces is…

Heterogeneous networks have been studied as one of the enablers of network densification. These studies have been intensified to overcome some drawbacks related to propagation in millimeter waves (mmWaves), such as severe path and…

In this paper, we develop an accurate closed-form analytic expression of the outage probability for each source-destination (S-D) pair in the two S-D pairs two relays wireless network, where cooperative network coding is applied over…

Information Theory · Computer Science 2024-06-14 Elias Benamira , Fatiha Merazka , Güneş Karabulut Kurt

We show that the problem of analyzing the outage probability in cellular systems affected by co-channel interference and background noise is mathematically equivalent to the problem of analyzing the wireless information-theoretic security…

Information Theory · Computer Science 2016-11-17 Gerardo Gomez , F. Javier Lopez-Martinez , David Morales-Jimenez , Matthew R. McKay

This letter investigates the uplink outage performance of intelligent reflecting surface (IRS)-assisted non-orthogonal multiple access (NOMA). We consider the general case where all users have both direct and reflection links, and all links…

Information Theory · Computer Science 2021-01-05 Bashar Tahir , Stefan Schwarz , Markus Rupp

Increasing data traffic demands over wireless spectrum have necessitated spectrum sharing and coexistence between heterogeneous systems such as radar and cellular communications systems. In this context, we specifically investigate the…

Networking and Internet Architecture · Computer Science 2017-04-26 Neelakantan Nurani Krishnan , Ratnesh Kumbhkar , Narayan B. Mandayam , Ivan Seskar , Sastry Kompella

Analyzing heterogeneous cellular networks (HCNs) has become increasingly complex, particularly due to irregular base station locations, massive deployment of small cells, and flexible resource allocation. The latter is usually not captured…

Information Theory · Computer Science 2014-08-27 Ralph Tanbourgi , Friedrich K. Jondral

We study the distribution of the interference power in a millimeter wave (mmWave) cellular network. Such interference is random and highly dependent on the employed transmission technique, as well as the varying channel conditions and the…

Signal Processing · Electrical Eng. & Systems 2019-11-14 Alireza Alizadeh , Mai Vu , Theodore S. Rappaport

User performance on a wireless network depends on whether a neighboring cochannel interferer applies a single (spatial) stream or a multi stream transmission. This work analyzes the impact of interference rank on a beamforming and…

Information Theory · Computer Science 2014-10-16 Michal Cierny , Zhi Ding , Risto Wichman

This work studies and optimizes the performance of reconfigurable intelligent surface (RIS)-aided networks in Nakagami-m fading environment. First, accurate closed-form approximations for the channel distributions are derived. Then,…

Signal Processing · Electrical Eng. & Systems 2021-07-06 Monjed H. Samuh , Anas M. Salhab , Ahmed H. Abd El-Malek

We present a novel and accurate approximation for the distribution of the sum of equally correlated Nakagami-m variates. Ascertaining on this result we study the performance of Equal Gain Combining (EGC) receivers, operating over equally…

Information Theory · Computer Science 2009-08-26 Zoran Hadzi-Velkov , Nikola Zlatanov , George K. Karagiannidis

With the severe spectrum shortage in conventional cellular bands, millimeter-wave (mmWave) frequencies have been attracting growing attention for next-generation micro- and picocellular wireless networks. A fundamental and open question is…

Networking and Internet Architecture · Computer Science 2016-04-20 Mattia Rebato , Marco Mezzavilla , Sundeep Rangan , Federico Boccardi , Michele Zorzi

This paper presents exact formulas for the probability distribution function (PDF) and moment generating function (MGF) of the sum-product of statistically independent but not necessarily identically distributed (i.n.i.d.) Nakagami-$m$…

Information Theory · Computer Science 2024-05-28 Hamid Amiriara , Mahtab Mirmohseni , Farid Ashtiani , Masoumeh Nasiri-Kenari

The fundamental performance metrics of an intelligent reflective surface (IRS)-aided wireless system are presented. By optimizing the IRS phase-shift matrix, the received signal-to-noise ratio (SNR) is maximized at the destination in the…

Signal Processing · Electrical Eng. & Systems 2020-10-26 Dulaj Gunasinghe , Dhanushka Kudathanthirige , Gayan Amarasuriya Aruma Baduge

Citizen Broadband Radio Service band (3550 - 3700 GHz) is seen as one of the key frequency bands to enable improvements in performance of wireless broadband and cellular systems. A careful study of interference caused by a secondary…

Networking and Internet Architecture · Computer Science 2017-05-10 Neelakantan Nurani Krishnan , Ratnesh Kumbhkar , Narayan B. Mandayam , Ivan Seskar , Sastry Kompella

Allowing the input auxiliary random variables to be correlated and using the binning scheme, the Han-Kobayashi (HK) rate region for general interference channel is partially improved. The obtained partially new achievable rate region (i) is…

Information Theory · Computer Science 2010-12-30 Ghosheh Abed Hodtani

The focus of this paper is on co-existence between a communication system and a pulsed radar sharing the same bandwidth. Based on the fact that the interference generated by the radar onto the communication receiver is intermittent and…

Information Theory · Computer Science 2018-02-14 Le Zheng , Marco Lops , Xiaodong Wang , Emanuele Grossi

In this paper, we investigate the performance of a dual-hop block fading cognitive radio network with underlay spectrum sharing over independent but not necessarily identically distributed (i.n.i.d.) Nakagami-$m$ fading channels. The…

Information Theory · Computer Science 2017-05-08 Saeed Vahidian , Maryam Najafi , Marzieh Najafi , Fawaz S. Al-Qahtani