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This letter investigates a cache-enabled multiuser mobile edge computing (MEC) system with dynamic task arrivals, taking into account the impact of proactive cache placement on the system's overall energy consumption. We consider that an…

Information Theory · Computer Science 2023-02-01 Jingxuan Liang , Hong Xing , Feng Wang , Vincent K. N. Lau

This paper introduces an access point-user (AP-UE) association strategy combined with pilot power allocation to mitigate multiuser interference and enhance spectral efficiency (SE) in clustered cell-free massive MIMO (CCF-mMIMO) networks.…

Information Theory · Computer Science 2025-07-08 S. Mohammadzadeh , S. Mashdour , R. C. de Lamare , K. Cumanan , C. Li

By offering shared computational facilities to which mobile devices can offload their computational tasks, the mobile edge computing framework is expanding the scope of applications that can be provided on resource-constrained devices. When…

Information Theory · Computer Science 2018-10-16 Mahsa Salmani , Timothy N. Davidson

Using a network of cache enabled small cells, traffic during peak hours can be reduced considerably through proactively fetching the content that is most probable to be requested. In this paper, we aim at exploring the impact of proactive…

Information Theory · Computer Science 2017-11-09 Salah Eddine Hajri , Mohamad Assaad

Billions of Machine Type Communication (MTC) devices are foreseen to be deployed in next ten years and therefore potentially open a new market for next generation wireless network. However, MTC applications have different characteristics…

Networking and Internet Architecture · Computer Science 2017-09-08 Ji Lianghai , Liu Man , Hans D. Schotten

This paper explores the energy efficiency (EE) of integrated sensing and communication (ISAC) systems employing massive multiple-input multiple-output (mMIMO) techniques to leverage spatial beamforming gains for both communication and…

Device-to-Device (D2D) communication as a promising technology in 5G cellular networks provides the communication of the users in the vicinity and thereby decreases end-to-end delay and power consumption. In addition to the aforementioned…

Signal Processing · Electrical Eng. & Systems 2017-10-13 Bao Wenhuan , Mansour Naslcheraghi , Mohammad Shikh-Bahaei

Distributed medium access control (MAC) protocols are proposed for wireless networks assuming that one-hop peers can periodically exchange a small amount of state information. Each station maintains a state and makes state transitions and…

Information Theory · Computer Science 2015-03-19 Ka Hung Hui , Dongning Guo , Randall A. Berry

Ameliorating the lifetime in heterogeneous wireless sensor network is an important task because the sensor nodes are limited in the resource energy. The best way to improve a WSN lifetime is the clustering based algorithms in which each…

Networking and Internet Architecture · Computer Science 2014-08-20 Mostafa Baghouri , Saad Chakkor , Abderrahmane Hajraoui

Unmanned aerial vehicle (UAV)-enabled mobile edge computing (MEC) systems can use different multiple access schemes to coordinate multi-user task offloading. However, it is still unknown which scheme is the most energy-efficient, especially…

Information Theory · Computer Science 2025-10-28 Qingjie Wu , Miao Cui , Guangchi Zhang , Beixiong Zheng , Xiaoli Chu , Qingqing Wu

We formulate and solve the energy minimization problem for a clustered device-to-device (D2D) network with cache-enabled mobile devices. Devices are distributed according to a Poisson cluster process (PCP) and are assumed to have a surplus…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-08-10 Ramy Amer , M. Majid Butt , Hesham ElSawy , Mehdi Bennis , Jacek Kibiłda , Nicola Marchetti

Efficient medium access control (MAC) is critical for enabling low-latency and reliable communication in industrial Machine-to-Machine (M2M) net-works, where timely data delivery is essential for seamless operation. The presence of…

Signal Processing · Electrical Eng. & Systems 2025-10-24 Anwar Ahmed Khan , Indrakshi Dey

This paper is focused on the design and analysis of power control procedures for the uplink of multipath code-division-multiple-access (CDMA) channels based on the large system analysis (LSA). Using the tools of LSA, a new decentralized…

Information Theory · Computer Science 2016-11-17 Stefano Buzzi , Valeria Massaro , H. Vincent Poor

Extensive energy is consumed by Transceiver communication operation [1]. Existing research on MAC layer focuses to maximize battery-powered sensor node's life. Bottleneck of MAC layer protocol design for WBAN is to achieve high reliability…

Networking and Internet Architecture · Computer Science 2016-11-17 A. Rahim , N. Javaid , M. Aslam , U. Qasim , Z. A. Khan

This paper presents an empirical discussion on the design and implementation of a power-efficient Medium Access Control (MAC) protocol for in-body and on-body sensor networks. We analyze the performance of a beacon-enabled IEEE 802.15.4,…

Networking and Internet Architecture · Computer Science 2018-10-26 Sana Ullah , Xizhi An , Kyung Sup Kwak

We exploit a general cluster-based network architecture for a fronthaul-limited user-centric cell-free massive multiple-input multiple-output (CF-mMIMO) system under different degrees of cooperation among the access points (APs) to achieve…

Information Theory · Computer Science 2025-10-21 Zahra Mobini , Ahmet Hasim Gokceoglu , Li Wang , Gunnar Peters , Hyundong Shin , Hien Quoc Ngo

This paper investigates an uplink non-orthogonal multiple access (NOMA)-based mobile-edge computing (MEC) network. Our objective is to minimize a linear combination of the completion time of all users' tasks and the total energy consumption…

Information Theory · Computer Science 2019-08-14 Zhaohui Yang , Cunhua Pan , Jiancao Hou , Mohammad Shikh-Bahaei

This paper investigates narrowband coordinated user scheduling in multi-cell massive multiple-input multiple-output (MIMO) systems. We formulate the problem under a spectral-efficiency maximization criterion, revealing inherent challenges…

Signal Processing · Electrical Eng. & Systems 2026-03-24 Jiayang Wan , Hongwei Hou , Jiawei Zhuang , Wenjin Wang , Shi Jin

Wireless sensor networks faces unbalanced energy consumption problem over time. Clustering provides an energy efficient method to improve lifespan of the sensor network. Cluster head collects data from other nodes and transmits it towards…

Networking and Internet Architecture · Computer Science 2015-10-20 Rohini Sharma , D. K. Loboyal

In this paper, we optimize user scheduling, power allocation and beamforming in distributed multiple-input multiple-output (MIMO) networks implementing user-centric clustering. We study both the coherent and non-coherent transmission modes,…

Information Theory · Computer Science 2021-08-16 Hussein A. Ammar , Raviraj Adve , Shahram Shahbazpanahi , Gary Boudreau , Kothapalli Venkata Srinivas