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In this paper, we study an interference alignment (IA) scheme with finite time extension and beamformer selection method with low computational complexity for X channel. An IA scheme with a chain structure by the Latin square is proposed…

Information Theory · Computer Science 2018-10-15 Young-Sik Moon , Jong-Yoon Yoon , Jong-Seon No , Sang-Hyo Kim

The constantly increasing demand for interactive broadband satellite communications is driving current research to explore novel system architectures that reuse frequency in a more aggressive manner. To this end, the topic of dual satellite…

Information Theory · Computer Science 2012-11-27 Dimitrios Christopoulos , Symeon Chatzinotas , Bjorn Ottersten

The strong interference suffered by users can be a severe problem in cache-enabled networks (CENs) due to the content-centric user association mechanism. To tackle this issue, multi-antenna technology may be employed for interference…

Information Theory · Computer Science 2022-01-31 Tianming Feng , Xuemai Gu , Ben Liang

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

The advancement of wireless communication systems toward 5G and beyond is spurred by the demand for high data rates, exceedingly dependable low-latency communication, and extensive connectivity that aligns with sensing requisites such as…

Information Theory · Computer Science 2024-04-10 Mamady Delamou , El Mehdi Amhoud

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

For a multi-user interference channel with multi-antenna transmitters and single-antenna receivers, by restricting each receiver to a single-user detector, computing the largest achievable rate region amounts to solving a family of…

Information Theory · Computer Science 2009-08-24 Xiaohu Shang , Biao Chen , H. Vincent Poor

The energy spectral efficiency maximization (ESEM) problem of a multi-user, multi-relay, multi-cell system is considered, where all the network nodes are equipped with multi-antenna transceivers. To deal with the potentially excessive…

Information Theory · Computer Science 2016-01-26 Kent Tsz Kan Cheung , Shaoshi Yang , Lajos Hanzo

The exploitation of interference in a constructive manner has recently been proposed for the downlink of multiuser, multi-antenna transmitters. This novel linear precoding technique, herein referred to as constructive interference zero…

Information Theory · Computer Science 2013-04-01 Dimitrios Christopoulos , Symeon Chatzinotas , Ioannis Krikidis , Bjorn Ottersten

Topological interference management (TIM) provides a promising way to manage interference only based on the network connectivity information. Previous works on the TIM problem mainly focus on using the index coding approach and graph theory…

Information Theory · Computer Science 2016-07-26 Yuanming Shi , Bamdev Mishra

A full-duplex two-way relay channel with multiple antennas is considered. For this three-node network, the beamforming design needs to suppress self-interference. While a traditional way is to apply zero-forcing for self-interference…

Information Theory · Computer Science 2016-10-18 Zhigang Wen , Shuai Wang , Xiaoqing Liu , Junwei Zou

In this paper, we consider the problem of joint transceiver design for millimeter wave (mmWave)/Terahertz (THz) multi-user MIMO integrated sensing and communication (ISAC) systems. Such a problem is formulated into a nonconvex optimization…

Information Theory · Computer Science 2024-02-01 Peilan Wang , Jun Fang , Xianlong Zeng , Zhi Chen , Hongbin Li

One of the main challenges facing Internet of Things (IoT) networks is managing interference caused by the large number of devices communicating simultaneously, particularly in multi-cluster networks where multiple devices simultaneously…

Signal Processing · Electrical Eng. & Systems 2025-10-07 Lucas Sempéré , Yue Bi , Yue Wu , Pengwenlong Gu , Selma Boumerdassi

While interference alignment schemes have been employed to realize the full multiplexing gain of $K$-user interference channels, the analyses performed so far have predominantly focused on the case when global channel knowledge is available…

Information Theory · Computer Science 2009-12-01 Rajesh T Krishnamachari , Mahesh K Varanasi

The near-far problem causes severe throughput unfairness in wireless powered communication networks (WPCN). In this paper, we exploit non-orthogonal multiple access (NOMA) technology and propose a fairness-aware NOMA-based scheduling scheme…

Information Theory · Computer Science 2019-06-04 Yong Liu , Xuehan Chen , Lin X. Cai , Qingchun Chen , Ruoting Gong , Dong Tang

We consider a multiple-input multiple-output (MIMO) interference channel (IC), where a single data stream per user is transmitted and each receiver treats interference as noise. The paper focuses on the open problem of computing the…

Information Theory · Computer Science 2017-04-26 Pan Cao , Eduard A. Jorswieck , Shuying Shi

Interference alignment (IA) is a multiplexing gain optimal transmission strategy for the interference channel. While the achieved sum rate with IA is much higher than previously thought possible, the improvement often comes at the cost of…

Information Theory · Computer Science 2015-03-17 Omar El Ayach , Robert W. Heath

We address single-user data transmission over a channel where the received signal incurs interference from a finite number of users (interfering users) that use single codebooks for transmitting their own messages. The receiver, however, is…

Information Theory · Computer Science 2007-11-21 Abolfazl S. Motahari , Amir K. Khandani

Cooperative positioning with multiple low earth orbit (LEO) satellites is promising in providing location-based services and enhancing satellite-terrestrial communication. However, positioning accuracy is greatly affected by inter-beam…

Information Theory · Computer Science 2024-04-02 Hongtao Xv , Yaohua Sun , Yafei Zhao , Mugen Peng , Shijie Zhang

This paper investigates the linear precoder design that maximizes the average mutual information of multiple-input multiple-output channels with finite-alphabet inputs and statistical channel state information known at the transmitter. This…

Information Theory · Computer Science 2011-09-07 Weiliang Zeng , Chengshan Xiao , Mingxi Wang , Jianhua Lu