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In this paper, we study the problem of joint inband backhauling and interference mitigation in 5G heterogeneous networks (HetNets) in which a massive multiple-input multipleoutput (MIMO) macro cell base station equipped with a large number…

Networking and Internet Architecture · Computer Science 2017-05-24 Trung Kien Vu , Mehdi Bennis , Sumudu Samarakoon , Merouane Debbah , Matti Latva-aho

Managing inter-cell interference is among the major challenges in a wireless network, more so when strict quality of service needs to be guaranteed such as in ultra-reliable low latency communications (URLLC) applications. This study…

Signal Processing · Electrical Eng. & Systems 2023-10-10 Samitha Gunarathne , Thushan Sivalingam , Nurul Huda Mahmood , Nandana Rajatheva , Matti Latva-Aho

The Dirichlet process (DP) is a fundamental mathematical tool for Bayesian nonparametric modeling, and is widely used in tasks such as density estimation, natural language processing, and time series modeling. Although MCMC inference…

Machine Learning · Statistics 2013-04-09 Dan Lovell , Jonathan Malmaud , Ryan P. Adams , Vikash K. Mansinghka

We explore the interplay between interference, cooperation and connectivity in heterogeneous wireless interference networks. Specifically, we consider a 4-user locally-connected interference network with pairwise clustered decoding and show…

Information Theory · Computer Science 2016-11-17 Chenwei Wang , Syed A. Jafar , Shlomo Shamai , Michele Wigger

The interference graph, depicting the intra- and inter-cell interference channel gains, is indispensable for resource allocation in multi-cell networks.However, there lacks viable methods of interference graph estimation (IGE) for…

Networking and Internet Architecture · Computer Science 2025-03-12 Daqian Ding , Haorui Li , Yibo Pi , Xudong Wang

In this manuscript we tackle the problem of semi-distributed user selection with distributed linear precoding for sum rate maximization in multiuser multicell systems. A set of adjacent base stations (BS) form a cluster in order to perform…

Information Theory · Computer Science 2015-04-29 Eduardo Castañeda , Adão Silva , Ramiro Samano-Robles , Atilio Gameiro

We consider a heterogeneous network with mobile edge computing, where a user can offload its computation to one among multiple servers. In particular, we minimize the system-wide computation overhead by jointly optimizing the individual…

Networking and Internet Architecture · Computer Science 2018-03-05 Quoc-Viet Pham , Tuan LeAnh , Nguyen H. Tran , Choong Seon Hong

In this contribution, we introduce an interference alignment scheme that allows the coexistence of an orthogonal frequency division multiplexing (OFDM) macro-cell and a cognitive small-cell, deployed in a two-tiered structure and…

Information Theory · Computer Science 2013-02-21 Marco Maso , Leonardo S. Cardoso , Merouane Debbah , Lorenzo Vangelista

This paper extends the literature on interference alignment to more general classes of deterministic channels which incorporate non-linear input-output relationships. It is found that the concept of alignment extends naturally to these…

Information Theory · Computer Science 2010-01-18 Amin Jafarian , Sriram Vishwanath

In random-access networks, such as the IEEE 802.11 network, different users may transmit their packets simultaneously, resulting in packet collisions. Traditionally, the collided packets are simply discarded. To improve performance,…

Information Theory · Computer Science 2010-09-22 Lu Lu , Soung Chang Liew , Shengli Zhang

We address the problem of noise and interference corrupted channel estimation in massive MIMO systems. Interference, which originates from pilot reuse (or contamination), can in principle be discriminated on the basis of the distributions…

Information Theory · Computer Science 2016-06-07 Haifan Yin , Laura Cottatellucci , David Gesbert , Ralf R. Müller , Gaoning He

Characterization and modeling of co-channel interference is critical for the design and performance evaluation of realistic multi-cell cellular networks. In this paper, based on alpha stable processes, an analytical co-channel interference…

Networking and Internet Architecture · Computer Science 2014-12-18 Xiaohu Ge , Kun Huang , Cheng-Xiang Wang , Xuemin Hong , Xi Yang

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

In this paper, we present a general formula for the capacity region of a general interference channel with two pairs of users. The formula shows that the capacity region is the union of a family of rectangles, where each rectangle is…

Information Theory · Computer Science 2013-10-08 Xiao Ma , Lei Lin , Chulong Liang , Xiujie Huang , Baoming Bai

Recent results establish the optimality of interference alignment to approach the Shannon capacity of interference networks at high SNR. However, the extent to which interference can be aligned over a finite number of signalling dimensions…

Information Theory · Computer Science 2016-11-17 Krishna Gomadam , Viveck R. Cadambe , Syed A. Jafar

In this paper we analyze the performance of single stream and multi-stream spatial multiplexing (SM) systems employing opportunistic scheduling in the presence of interference. In the proposed downlink framework, every active user reports…

Information Theory · Computer Science 2013-07-16 Kiran Kuchi

In-context Learning (ICL) is an emerging few-shot learning paradigm on Language Models (LMs) with inner mechanisms un-explored. There are already existing works describing the inner processing of ICL, while they struggle to capture all the…

Computation and Language · Computer Science 2025-02-21 Hakaze Cho , Mariko Kato , Yoshihiro Sakai , Naoya Inoue

OFDMA systems are considered as the promising multiple access scheme of next generation multi-cellular wireless systems. In order to ensure the optimum usage of radio resources, OFDMA radio resource management algorithms have to maximize…

Signal Processing · Electrical Eng. & Systems 2018-03-22 Pol Henarejos , Ana Perez-Neira , Velio Tralli , Marco Moretti , Nikos Dimitriou , Giulio Dainelli

We investigate the collective dynamics of bursting neurons on clustered network. The clustered network is composed of subnetworks each presenting a small-world property, and in a given subnetwork each neuron has a probability to be…

Chaotic Dynamics · Physics 2010-12-22 C. A. S. Batista , R. V. Nunes , A. M. Batista , R. L. Viana , S. R. Lopes , T. Pereira

In this paper, we study the downlink performance of a heterogeneous cellular network (HetNet) where both macro and small cells share the same spectrum and hence interfere with each other. We assume that the users are concentrated at certain…

Information Theory · Computer Science 2014-07-23 Ansuman Adhikary , Harpreet S. Dhillon , Giuseppe Caire