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Multi-user Gaussian MIMO wiretap channel is considered under interference power constraints (IPC), in addition to the total transmit power constraint (TPC). Algorithms for \textit{global} maximization of its secrecy rate are proposed. Their…

Information Theory · Computer Science 2020-12-02 Limeng Dong , Sergey Loyka , Yong Li

Although interference alignment (IA) can theoretically achieve the optimal degrees of freedom (DoFs) in the $K$-user Gaussian interference channel, its direct application comes at the prohibitive cost of precoding over exponentially-many…

Information Theory · Computer Science 2014-08-01 Vasilis Ntranos , Mohammad Ali Maddah-Ali , Giuseppe Caire

Interference alignment (IA) has recently emerged as a promising interference mitigation technique for interference networks. In this letter, we focus on the IA non-iterative transceiver design problem in a multiple-input-multiple-output…

Information Theory · Computer Science 2015-05-20 Chiao-En Chen

This paper studies an integrated sensing and communication (ISAC) system within a centralized cell-free massive MIMO (multiple-input multiple-output) network for target detection. ISAC transmit access points serve the user equipments in the…

Information Theory · Computer Science 2024-11-26 Zinat Behdad , Özlem Tuğfe Demir , Ki Won Sung , Emil Björnson , Cicek Cavdar

Interference mitigation strategies are deemed to play a key role in the context of the next generation (B4G/5G) of multicellular networks based on orthogonal frequency division multiple access. Fractional and soft frequency reuse (FFR, SFR)…

Signal Processing · Electrical Eng. & Systems 2024-01-19 Jan García Morales , Guillem Femenias , Felip Riera Palou

In this paper, we investigate a multi-cell six-dimensional movable antenna (6DMA) network for enhancing downlink communication performance under inter-cell interference (ICI). Each base station (BS) is equipped with multiple 6DMA surfaces,…

Information Theory · Computer Science 2026-05-22 Qijun Jiang , Xiaodan Shao , Rui Zhang

The throughput of multicell systems is inherently limited by interference and the available communication resources. Coordinated resource allocation is the key to efficient performance, but the demand on backhaul signaling and computational…

Information Theory · Computer Science 2012-09-12 Emil Björnson , Niklas Jaldén , Mats Bengtsson , Björn Ottersten

Consider the problem of joint uplink scheduling and power allocation. Being inherent to almost any wireless system, this resource allocation problem has received extensive attention. Yet, most common techniques either adopt classical power…

Networking and Internet Architecture · Computer Science 2015-03-20 Erez Biton , Asaf Cohen , Guy Reina , Omer Gurewitz

The success of LTE Heterogeneous Networks (HetNets) with macro cells and pico cells critically depends on efficient spectrum sharing between high-power macros and low-power picos. Two important challenges in this context are, {(i)}…

Networking and Internet Architecture · Computer Science 2013-02-18 Supratim Deb , Pantelis Monogioudis , Jerzy Miernik , James P. Seymour

Integrated learning and communication (ILAC) unifies learned transceivers with radio resource management, where semantic feature multiple access (SFMA) enables paired users to superpose their learned representations over shared…

Signal Processing · Electrical Eng. & Systems 2026-04-13 Jiaxiang Wang , Zhouxiang Zhao , Yahao Ding , Zhijin Qin , Zhaohui Yang , Mingzhe Chen , Mohammad Shikh-Bahaei

We address fair sensor scheduling over bandwidth-constrained communication channels. While existing literature on fair scheduling overlooks overall system efficiency, we introduce a novel $q$-fairness framework to balance efficiency and…

Systems and Control · Electrical Eng. & Systems 2025-09-22 Yuxing Zhong , Yuchi Wu , Daniel E. Quevedo , Ling Shi

For single-antenna Gaussian interference channels, we re-formulate the problem of determining the Generalized Degrees of Freedom (GDoF) region achievable by treating interference as Gaussian noise (TIN) derived in [3] from a combinatorial…

Information Theory · Computer Science 2015-09-17 Xinping Yi , Giuseppe Caire

In this paper, we adopt a cross layer design approach for analyzing the throughput-delay tradeoff of the multicast channel in a single cell system. To illustrate the main ideas, we start with the single group case, i.e., pure multicast,…

Information Theory · Computer Science 2007-07-13 Praveen Kumar Gopala , Hesham El Gamal

With growing popularity, LoRa networks are pivotally enabling Long Range connectivity to low-cost and power-constrained user equipments (UEs). Due to its wide coverage area, a critical issue is to effectively allocate wireless resources to…

Information Theory · Computer Science 2020-09-03 Jiangbin Lyu , Dan Yu , Liqun Fu

In this pair of papers (Part I and Part II in this issue), we investigate the issue of power control and subcarrier assignment in a sectorized two-cell downlink OFDMA system impaired by multicell interference. As recommended for WiMAX, we…

Information Theory · Computer Science 2009-08-28 Nassar Ksairi , Pascal Bianchi , Philippe Ciblat , Walid Hachem

Recent studies indicate the feasibility of full-duplex (FD) bidirectional wireless communications. Due to its potential to increase the capacity, analyzing the performance of a cellular network that contains full-duplex devices is crucial.…

Networking and Internet Architecture · Computer Science 2018-02-12 Peyman Tehrani , Farshad Lahouti , Michele Zorzi

The unprecedented growth of internet contents, specially social media, invoking a challenge to the load of cellular networks. In addition, nowadays, the demands of quality of experience (QoE) became a more practical norm in contrast of…

Information Theory · Computer Science 2021-06-29 Sepehr Rezvani , Nader Mokari , Mohammad R. Javan

In this paper, we consider the channel assignment problem for cognitive radio networks with hardware-constrained secondary users (SUs). In particular, we assume that SUs exploit spectrum holes on a set of channels where each SU can use at…

Information Theory · Computer Science 2014-04-08 Le Thanh Tan , Long Bao Le

In this work, we consider the problem of intersectional group fairness in the classification setting, where the objective is to learn discrimination-free models in the presence of several intersecting sensitive groups. First, we illustrate…

Machine Learning · Computer Science 2023-11-09 Gaurav Maheshwari , Aurélien Bellet , Pascal Denis , Mikaela Keller

In this paper, we consider maximizing the sum-rate in the uplink of a multi-cell OFDMA network. The problem has a non-convex combinatorial structure and is known to be NP hard. Due to the inherent complexity of implementing the optimal…

Optimization and Control · Mathematics 2011-09-22 Hina Tabassum , Zaher Dawy , Mohamed Slim Alouini
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