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Dense femtocells and the integration of these femtocells with the macrocell are the ultimate goal of the femtocellular network deployment. Integrated macrocell/femtocell networks surely able to provide high data rate for the indoor users as…

Networking and Internet Architecture · Computer Science 2018-10-08 Mostafa Zaman Chowdhury , Yeong Min Jang

In this paper, we investigate an application of two different beamforming techniques and propose a novel downlink power minimization scheme for a two-tier heterogeneous network (HetNet) model. In this context, we employ time reversal (TR)…

Information Theory · Computer Science 2017-04-07 Ha-Vu Tran , Georges Kaddoum , Hung Tran , Een-Kee Hong

The deployment of mobile femtocellular networks can enhance the service quality for the users inside the vehicles. The deployment of mobile femtocells generates a lot of handover calls. Also, numbers of group handover scenarios are found in…

Networking and Internet Architecture · Computer Science 2014-12-16 Mostafa Zaman Chowdhury , Nirzhar Saha , Sung Hun Chae , Yeong Min Jang

The aim of this paper is to propose a computation offloading strategy for mobile edge computing. We exploit the concept of call graph, which models a generic computer program as a set of procedures related to each other through a weighted…

Networking and Internet Architecture · Computer Science 2016-02-04 Paolo Di Lorenzo , Sergio Barbarossa , Stefania Sardellitti

Offloading traffic through opportunistic communications has been recently proposed as a way to relieve the current overload of cellular networks. Opportunistic communication can occur when mobile device users are (temporarily) in each…

Networking and Internet Architecture · Computer Science 2014-05-15 Vincenzo Sciancalepore , Domenico Giustiniano , Albert Banchs , Andreea Picu

Coordinated information processing by the base stations of multi-cell wireless networks enhances the overall quality of communication in the network. Such coordinations for optimizing any desired network-wide quality of service (QoS)…

Information Theory · Computer Science 2015-05-20 Ali Tajer , Narayan Prasad , Xiaodong Wang

Cellular network resources are essential to be optimized in Femto cells equipped macro cell networks. This is achieved by increasing the cellular coverage and channel capacity, and reducing power usage and interference between femto cells…

Networking and Internet Architecture · Computer Science 2012-03-21 Niraj Shakhakarmi

Rate splitting multiple access (RSMA) provides a flexible transmission framework that can be applied in mobile edge computing (MEC) systems. However, the research work on RSMA-assisted MEC systems is still at the infancy and many design…

Signal Processing · Electrical Eng. & Systems 2024-12-02 Ding Xu , Lingjie Duan , Haitao Zhao , Hongbo Zhu

Load balancing is an effective approach to address the spatial-temporal fluctuation problem of mobile data traffic for cellular networks. The existing schemes that focus on channel borrowing from neighboring cells cannot be directly applied…

Information Theory · Computer Science 2018-03-30 Hongliang Zhang , Lingyang Song , Ying Jun , Zhang

Effective capacity, which provides the maximum constant arrival rate that a given service process can support while satisfying statistical delay constraints, is analyzed in a multiuser scenario. In particular, the effective capacity region…

Information Theory · Computer Science 2010-09-17 Deli Qiao , Mustafa Cenk Gursoy , Senem Velipasalar

The surest way to increase the system capacity of a wireless link is by getting the transmitter and receiver closer to each other, which creates the dual benefits of higher quality links and more spatial reuse. In a network with nomadic…

Networking and Internet Architecture · Computer Science 2016-11-18 Vikram Chandrasekhar , Jeffrey Andrews , Alan Gatherer

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 considers coordinated linear precoding in downlink multicell multiuser orthogonal frequency-division multiple access (OFDMA) network. A less-complex, fast and provably convergent algorithm that maximizes the weighted sum-rate…

Information Theory · Computer Science 2017-08-17 Mirza Golam Kibria , Hidekazu Murata , Susumu Yoshida

Mobile-edge computing (MEC) has recently emerged as a cost-effective paradigm to enhance the computing capability of hardware-constrained wireless devices (WDs). In this paper, we first consider a two-user MEC network, where each WD has a…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-09-24 Jia Yan , Suzhi Bi , Ying-Jun Angela Zhang , Meixia Tao

Optimal cache content placement in a wireless small cell base station (sBS) with limited backhaul capacity is studied. The sBS has a large cache memory and provides content-level selective offloading by delivering high data rate contents to…

Information Theory · Computer Science 2014-02-24 Pol Blasco , Deniz Gunduz

Physical layer multicasting with opportunistic user selection (OUS) is examined for multicell multi-antenna wireless systems. By adopting a two-layer encoding scheme, a rate-adaptive channel code is applied in each fading block to enable…

Information Theory · Computer Science 2023-07-19 Y. -W. Peter Hong , Wei-Chiang Li , Tsung-Hui Chang , Chia-Han Lee

The capacity of next generation of cellular networks using femtocaches is studied when multihop communications and decentralized cache placement are considered. We show that the storage capability of future network User Terminals (UT) can…

Information Theory · Computer Science 2016-04-19 Mohsen Karimzadeh Kiskani , Hamid R. Sadjadpour

The advent of massive ultra-reliable and low-latency communications (mURLLC) has introduced a critical class of time- and reliability-sensitive services within next-generation wireless networks. This shift has attracted significant research…

Systems and Control · Electrical Eng. & Systems 2024-10-16 Jingqing Wang , Wenchi Cheng , Wei Zhang

The next generation network aims to efficiently deploy low cost and low power cellular base station in the subscriber's home environment. For the femtocell deployment, frequency allocation among femtocells and macrocell is big concern to…

Networking and Internet Architecture · Computer Science 2018-10-08 Mostafa Zaman Chowdhury , Yeong Min Jang , Zygmunt J. Haas

Future wireless networks are expected to connect large-scale low-powered communication devices using the available spectrum resources. Backscatter communications (BC) is an emerging technology towards battery-free transmission in future…

Signal Processing · Electrical Eng. & Systems 2022-08-03 Wali Ullah Khan , Eva Lagunas , Asad Mahmood , Zain Ali , Symeon Chatzinotas , Björn Ottersten , Octavia A. Dobre
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