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Approximate Symbol error rate (SER), outage probability and rate expressions are derived for receive diversity system employing optimum combining when both the desired and the interfering signals are subjected to Rician fading, for the…

Signal Processing · Electrical Eng. & Systems 2019-05-10 Muralikrishnan Srinivasan , Sheetal Kalyani

We consider Vertical Bell Laboratories Layered Space-Time (V-BLAST) systems in correlated multiple-input multiple-output (MIMO) Nakagami-m fading channels with equal power allocated to each transmit antenna and also we consider that the…

Information Theory · Computer Science 2014-03-14 Samarendra Nath Sur , Dr. Rabindranath Bera , Dr. Bansibadan Maji

The presence of signal outage, due to shadowing and blockage, is expected to be the main bottleneck in millimeter wave (mmWave) networks. Moreover, with the anticipated vision that mmWave networks would have a dense deployment of base…

Information Theory · Computer Science 2015-03-19 Diana Maamari , Natasha Devroye , Daniela Tuninetti

Interference significantly impacts the performance of industrial wireless networks, particularly n severe interference environments with dense networks reusing spectrum resources intensively. Although delicate interference information is…

Systems and Control · Electrical Eng. & Systems 2026-01-21 Yichen Guo , Tao Peng , Yujie Zhao , Yijing Niu , Wenbo Wang

In this paper, we consider uplink transmissions involving multiple users communicating with a base station over a fading channel. We assume that the base station does not coordinate the transmissions of the users and hence the users employ…

Computer Science and Game Theory · Computer Science 2009-08-25 Nitin Salodkar , Abhay Karandikar

The proposed research performs an analysis of the capacity higher-order statistics for a single-input multiple-output multiantenna wireless communication system equipped with a maximum-ratio combining scheme. It was assumed that the…

Information Theory · Computer Science 2022-04-05 Aleksey S. Gvozdarev

The coverage probability and average data rate of normalized SNR-based scheduling in a downlink cellular network are derived by modeling the locations of the base stations and users as two independent Poison point processes. The scheduler…

Information Theory · Computer Science 2022-02-10 Takuya Ohto , Koji Yamamoto , Seong-Lyun Kim , Takayuki Nishio , Masahiro Morikura

Channel modeling is a critical issue when designing or evaluating the performance of reconfigurable intelligent surface (RIS)-assisted communications. Inspired by the promising potential of learning-based methods for characterizing the…

In uplink non-orthogonal multiple access (NOMA) networks, the order of decoding at the base station (BS) depends on the received instantaneous signal powers (ISPs). Therefore, the signal-to-interference-plus-noise ratio (SINR) coverage…

Information Theory · Computer Science 2019-05-10 Mohammad Salehi , Ekram Hossain

Non-orthogonal multiple access (NOMA) serves multiple users by superposing their distinct message signals. The desired message signal is decoded at the receiver by applying successive interference cancellation (SIC). Using the theory of…

Information Theory · Computer Science 2016-11-14 Hina Tabassum , Ekram Hossain , Md. Jahangir Hossain

Using random matrix calculations, we show that, the contrast between maximally focused intensity through random media and the background of the transmitted speckle pattern for diffusive waves is, \mu_N =1 +N_{eff}, where N eff is the…

Disordered Systems and Neural Networks · Physics 2015-06-03 Matthieu Davy , Zhou Shi , Azriel Genack

This paper investigates the capacity of a communications channel that, in addition to additive white Gaussian noise, also suffers from interference caused by a co-existing radar transmission. The radar interference (of short duty-cycle and…

Information Theory · Computer Science 2018-10-16 Sara Shahi , Daniela Tuninetti , Natasha Devroye

In this letter, we study the joint impact of user density, blockage density and deployment area on the temporal correlation of interference for static and highly mobile users. We show that even if the user locations become uncorrelated, the…

Networking and Internet Architecture · Computer Science 2017-06-15 Konstantinos Koufos , Carl P. Dettmann , Justin P. Coon

In this paper, we consider a relay-assisted uplink non-orthogonal multiple access (NOMA) system where two radio frequency (RF) users are grouped for simultaneous transmission, over each resource block, to an intermediate relay which…

Information Theory · Computer Science 2018-09-11 Mohammad Vahid Jamali , Seyed Mohammad Azimi-Abarghouyi , Hessam Mahdavifar

In this paper, we investigate the downlink performance of dense cellular networks with elevated base stations (BSs) using a channel model that incorporates line-of-sight (LOS)/non-line-of-sight (NLOS) propagation in both small-scale and…

Information Theory · Computer Science 2017-03-06 Italo Atzeni , Jesús Arnau , Marios Kountouris

This letter advances the non-orthogonal multiple access (NOMA) technique for cellular downlink co-channel interference mitigation, via exploiting the (limited) cooperation among base stations (BSs). Specifically, we consider a simplified…

Information Theory · Computer Science 2020-02-17 Weidong Mei , Rui Zhang

This paper studies interference channels with security constraints. The existence of an external eavesdropper in a two-user interference channel is assumed, where the network users would like to secure their messages from the external…

Information Theory · Computer Science 2009-05-04 O. Ozan Koyluoglu , Hesham El Gamal

To meet the surging demand for throughput, 5G cellular networks need to be more heterogeneous and much denser, by deploying more and more small cells. In particular, the number of users in each small cell can change dramatically due to…

Information Theory · Computer Science 2015-11-16 Yunquan Dong , Zhi Chen , Pingyi Fan , Khaled Ben Letaief

We investigate the downlink outage performance of double-RIS-aided non-orthogonal multiple access (NOMA), where a near-BS and a near-users RISs setup are deployed. To extend the coverage to 360 degrees, we deploy a simultaneously…

Information Theory · Computer Science 2023-04-11 Wilson de Souza Junior , Taufik Abrao

The throughput of a linear cellular uplink with a random number of users, different power control schemes, and cooperative base stations is considered in the large system limit where the number of cells is large for non fading Gaussian…

Information Theory · Computer Science 2016-11-18 Oren Somekh , Osvaldo Simeone , H. Vincent Poor , Shlomo Shamai