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Within 3GPP, the campus network architecture has evolved as a deployment option for industries and can be provisioned using network slicing over already installed 5G public network infrastructure. In campus networks, the ultra-reliable low…

Networking and Internet Architecture · Computer Science 2025-11-20 Iulisloi Zacarias , Francisco Carpio , André Costa Drummond , Admela Jukan

We consider joint beamforming and stream allocation to maximize the weighted sum rate (WSR) for non-coherent joint transmission (NCJT) in user-centric cell-free MIMO networks, where distributed access points (APs) are organized in clusters…

Signal Processing · Electrical Eng. & Systems 2024-02-29 Xi Wang , Xiaotong Zhao , Juncheng Wang , You Li , Qingjiang Shi

RAN slicing technology is a key aspect of the Open RAN paradigm, allowing simultaneous and independent provision of various services such as ultra-reliable low-latency communications (URLLC), enhanced mobile broadband (eMBB), and massive…

Networking and Internet Architecture · Computer Science 2025-02-04 Patatchona Keyela , Soumaya Cherkaoui

In this paper, we consider the power allocation problem for the downlink of the massive multiple-input multiple-output (MIMO) systems. We propose a new scheme by exploiting the water-filling algorithm in a cell with two zones. It is…

Signal Processing · Electrical Eng. & Systems 2021-08-31 Abdolrasoul Sakhaei Gharagezlou , Jafar Pourrostam , Mahdi Nangir , Mir Mahdi Safari

Resource allocation is a fundamental task in cell-free (CF) massive multi-input multi-output (MIMO) systems, which can effectively improve the network performance. In this paper, we study the downlink of CF MIMO networks with network…

Information Theory · Computer Science 2023-12-22 S. Mashdour , A. Schmeink , R. C. de Lamare , J. P. Sales

Radio Resource Management is a challenging topic in future 6G networks where novel applications create strong competition among the users for the available resources. In this work we consider the frequency scheduling problem in a multi-user…

Networking and Internet Architecture · Computer Science 2024-12-18 Anastasios Giovanidis , Mathieu Leconte , Sabrine Aroua , Tor Kvernvik , David Sandberg

In this paper, we introduce an application-aware approach for resource block scheduling with carrier aggregation in Long Term Evolution Advanced (LTE-Advanced) cellular networks. In our approach, users are partitioned in different groups…

Networking and Internet Architecture · Computer Science 2016-11-17 Haya Shajaiah , Ahmed Abdelhadi , T. Charles Clancy

Modern networks support network slicing, which partitions physical infrastructure into virtual slices tailored to different service requirements (for example, high bandwidth or low latency). Optimally allocating users to slices is a…

Networking and Internet Architecture · Computer Science 2025-12-02 Sagar Sudhakara , Pankaj Rajak

Secure ultra-reliable low-latency communication (URLLC) has been recently investigated with the fundamental limits of finite block length (FBL) regime in mind. Analysis has revealed that when eavesdroppers outnumber BS antennas or enjoy a…

Signal Processing · Electrical Eng. & Systems 2021-11-30 Mohammad Naseri Tehrani , Shahrokh Farahmand

Second-generation (2G) digital cellular systems constitute the majority of cellular communication deployed today. A variety of services of 2G systems has increased significantly and this will continue to grow even further in the emerging…

Networking and Internet Architecture · Computer Science 2012-07-25 A. Divya , Sanjay Singh

Provisioning of Quality of Service (QoS) is a key issue in any multi-media system. However, in wireless systems, supporting QoS requirements of different traffic types is more challenging due to the need to minimize two performance metrics…

Multimedia · Computer Science 2014-12-12 Mostafa Zaman Chowdhury , Yeong Min Jang , Zygmunt J. Haas

Coordinated weighted sum-rate maximization in multicell MIMO networks with intra- and intercell interference and local channel state at the base stations is recognized as an important yet difficult problem. A classical, locally optimal…

Signal Processing · Electrical Eng. & Systems 2023-02-13 Lukas Schynol , Marius Pesavento

Mobile users (or UEs, to use 3GPP terminology) served by small cells in dense urban settings may abruptly experience a significant deterioration in their channel to their serving base stations (BSs) in several scenarios, such as after…

Information Theory · Computer Science 2020-05-12 Sayandev Mukherjee , Bernardo A. Huberman

This paper studies massive access in cell-free massive multi-input multi-output (MIMO) based Internet of Things and solves the challenging active user detection (AUD) and channel estimation (CE) problems. For the uplink transmission, we…

Information Theory · Computer Science 2020-07-23 Malong Ke , Zhen Gao , Yongpeng Wu , Xiqi Gao , Kat-Kit Wong

Network slicing envisions the 5th generation (5G) mobile network resource allocation to be based on different requirements for different services, such as Ultra-Reliable Low Latency Communication (URLLC) and Enhanced Mobile Broadband…

Networking and Internet Architecture · Computer Science 2022-11-15 Nien Fang Cheng , Turgay Pamuklu , Melike Erol-Kantarci

The use of cellular networks for massive machine-type communications (mMTC) is an appealing solution due to the availability of the existing infrastructure. However, the massive number of user equipments (UEs) poses a significant challenge…

Signal Processing · Electrical Eng. & Systems 2025-04-22 Ahmed O. Elmeligy , Ioannis Psaromiligkos , Au Minh

In this paper, we study resource allocation algorithm design for secure multi-user downlink ultra-reliable low latency communication (URLLC). To enhance physical layer security (PLS), the base station (BS) is equipped with multiple antennas…

Information Theory · Computer Science 2020-03-02 Walid R. Ghanem , Vahid Jamali , Robert Schober

Cell-free (CF) massive multiple-input multipleoutput (MIMO) provides a ubiquitous coverage to user equipments (UEs) but it is also susceptible to interference. Ratesplitting (RS) effectively extracts data by decoding interference, yet its…

Information Theory · Computer Science 2024-09-25 Jiakang Zheng , Jiayi Zhang , Hongyang Du , Ruichen Zhang , Dusit Niyato , Octavia A. Dobre , Bo Ai

Two key traits of 5G cellular networks are much higher base station (BS) densities - especially in the case of low-power BSs - and the use of massive MIMO at these BSs. This paper explores how massive MIMO can be used to jointly maximize…

Information Theory · Computer Science 2016-02-09 Qiaoyang Ye , Ozgun Y. Bursalioglu , Haralabos C. Papadopoulos , Constantine Caramanis , Jeffrey G. Andrews

Network slicing is an effective 5G concept for improved resource utilization and service scalability tailored to users (UEs) requirements. According to the standardization, 5G system should support UEs through specification of its…

Networking and Internet Architecture · Computer Science 2021-06-30 Sharvari Ravindran , Saptarshi Chaudhuri , Jyotsna Bapat , Debabrata Das
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