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We consider the $K$-cell multiple-input multiple-output (MIMO) interfering multiple-access channel (IMAC) with time-invariant channel coefficients, where each cell consists of a base station (BS) with $M$ antennas and $N$ users having $L$…

Information Theory · Computer Science 2016-11-18 Hyun Jong Yang , Won-Yong Shin , Bang Chul Jung , Arogyaswami Paulraj

Due to limited backhaul/feedback link capacity and channel state information (CSI) feedback delay, obtaining global and instantaneous channel state information at the transmitter (CSIT) is a main obstacle in practice. In this paper, novel…

Information Theory · Computer Science 2016-08-15 Tengda Ying , Wenjiang Feng , Weifeng Su , Weiheng Jiang

In this paper, we propose a distributed multi-hop interference avoidance algorithm, namely, IAA to avoid co-channel interference inside a wireless body area network (WBAN). Our proposal adopts carrier sense multiple access with collision…

Networking and Internet Architecture · Computer Science 2016-11-03 Mohamad Jaafar Ali , Hassine Moungla , Ahmed Mehaoua

It is known that interference alignment (IA) plays an important role in improving the degree of freedom (DoF) of multi-input and multi-output (MIMO) systems. However, most of the traditional IA schemes suffer from the high computational…

Information Theory · Computer Science 2021-06-25 Jingfu Li , Wenjiang Feng , F. Richard Yu , Weiheng Jiang

This paper focuses on robust transceiver design for throughput enhancement on the interference channel (IC), under imperfect channel state information (CSI). In this paper, two algorithms are proposed to improve the throughput of the…

Information Theory · Computer Science 2018-04-02 Ali Dalir , Hassan Aghaeinia , Mohammad Kazemi

This paper proposes a linear interference alignment (IA) scheme which can be used for uplink channels in a general multicell multiuser MIMO cellular network. The proposed scheme aims to align interference caused by signals from a set of…

Information Theory · Computer Science 2014-08-22 Khanh Pham , Kyungchun Lee

In order to explore how blind interference alignment (BIA) schemes may take advantage of side-information in computation tasks, we study the degrees of freedom (DoF) of a $K$ user wireless network setting that arises in full-duplex wireless…

Information Theory · Computer Science 2025-09-26 Yuxiang Lu , Syed A. Jafar

In this paper, we consider a robust lattice alignment design for K-user quasi-static MIMO interference channels with imperfect channel knowledge. With random Gaussian inputs, the conventional interference alignment (IA) method has the…

Information Theory · Computer Science 2015-05-27 Huang Huang , Vincent K. N. Lau , Yinggang Du , Sheng Liu

This paper investigates how to use a metaheuristic based technique, namely Particle Swarm Optimization (PSO), in carrying out of Interference Alignment (IA) for $K$-User MIMO Interference Channel (IC). Despite its increasing popularity,…

Signal Processing · Electrical Eng. & Systems 2018-06-08 Lysa AIT Messaoud , Fatiha Merazka

In this paper, we consider the K-user interference channel with partial cooperation, where a strict subset of the K users cooperate. For the K-user interference channel with cooperating subsets of length M, the outer bound of the total…

Information Theory · Computer Science 2011-06-02 Ahmed A. Naguib , Khaled Elsayed , Mohammed Nafie

An interference management problem among multiple overlapped random access networks (RANs) is investigated, each of which operates with slotted ALOHA protocol. Assuming that access points and users have multiple antennas, a novel…

Information Theory · Computer Science 2016-11-17 Hu Jin , Sang-Woon Jeon , Bang Chul Jung

In this paper, we consider a Partial Interference Alignment and Interference Detection (PIAID) design for $K$-user quasi-static MIMO interference channels with discrete constellation inputs. Each transmitter has M antennas and transmits L…

Information Theory · Computer Science 2015-05-28 Huang Huang , Vincent K. N. Lau

In this paper, we propose an iterative interference alignment (IA) algorithm for MIMO cellular networks with partial connectivity, which is induced by heterogeneous path losses and spatial correlation. Such systems impose several key…

Information Theory · Computer Science 2013-08-01 Liangzhong Ruan , Vincent K. N. Lau

In this paper, we consider the feasibility of linear interference alignment (IA) for multiple-input multiple-output (MIMO) channels with constant coefficients for any number of users, antennas and streams per user; and propose a…

Information Theory · Computer Science 2014-03-14 Oscar Gonzalez , Carlos Beltran , Ignacio Santamaria

In recent years, several experimental studies have come out to validate the theoretical findings of interference alignment (IA), but only a handful of studies have focused on blind interference alignment. Unlike IA and other interference…

Information Theory · Computer Science 2016-03-31 Simon Begashaw , James Chacko , Nikhil Gulati , Danh H. Nguyen , Nagarajan Kandasamy , Kapil R. Dandekar

Interference alignment (IA) has attracted enormous research interest as it achieves optimal capacity scaling with respect to signal to noise ratio on interference networks. IA has also recently emerged as an effective tool in engineering…

Information Theory · Computer Science 2016-05-04 Liangzhong Ruan , Vincent K. N. Lau , Moe Z. Win

We consider a MIMO interference channel in which the transmitters and receivers operate in frequency-division duplex mode. In this setting, interference management through coordinated transceiver design necessitates channel state…

Information Theory · Computer Science 2015-07-07 Rami Mochaourab , Rasmus Brandt , Hadi Ghauch , Mats Bengtsson

In this paper, we firstly exploit the inter-user interference (IUI) and inter-cell interference (ICI) as useful references to develop a robust transceiver design based on interference alignment for a downlink multi-user multi-cell…

Information Theory · Computer Science 2017-04-18 Xianzhong Xie , Helin Yang , Athanasios V. Vasilakos

In recent years, the demand for high speed wireless networking has increased considerably due to the enormous number of devices connected to the Internet. In this context, optical wireless communication (OWC) has received tremendous…

Information Theory · Computer Science 2021-09-28 Ahmad Adnan Qidan , Taisir El-Gorashi , Jaafar M. H. Elmirghani

This paper considers a distributed interference avoidance problem employing frequency assignment in the Gaussian interference channel (IC). We divide the common channel into several subchannels and each user chooses the subchannel with less…

Information Theory · Computer Science 2010-03-23 Zhenhai Jing , Baoming Bai , Xiao Ma , Ying Li