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The future mobile communication systems will support intelligent applications such as Internet of Vehicles (IoV) and Extended Reality (XR). Integrated Sensing and Communication (ISAC) is regarded as one of the key technologies satisfying…

Signal Processing · Electrical Eng. & Systems 2023-11-29 Zhiqing Wei , Haotian Liu , Xinyi Yang , Wangjun Jiang , Huici Wu , Xingwang Li , Zhiyong Feng

3GPP LTE-Advanced has started a new study item to investigate Heterogeneous Network (HetNet) deployments as a cost effective way to deal with the unrelenting traffic demand. HetNets consist of a mix of macrocells, remote radio heads, and…

Networking and Internet Architecture · Computer Science 2015-03-19 David Lopez-Perez , Ismail Guvenc , Guillaume de la Roche , Marios Kountouris , Tony Q. S. Quek , Jie Zhang

Traffic load balancing and radio resource management is key to harness the dense and increasingly heterogeneous deployment of next generation "$5$G" wireless infrastructure. Strategies for aggregating user traffic from across multiple radio…

Networking and Internet Architecture · Computer Science 2016-03-29 Sarabjot Singh , Shu-ping Yeh , Nageen Himayat , Shilpa Talwar

In this paper, the impact of channel estimation error (CEE) on the sum-rate capacity of multiple-input-multiple-output (MIMO) heterogeneous networks (HetNets) is investigated. It is assumed that the receiver is a linear minimum mean-square…

Signal Processing · Electrical Eng. & Systems 2019-09-24 Esha Bangar , Nima Taherkhani , Kamran Kiasaleh

The fifth-generation (5G) wireless cellular system, which would be deployed by 2020, is expected to deliver significantly higher capacity and better network performance compared to those of the current fourth-generation (4G) system.…

Signal Processing · Electrical Eng. & Systems 2018-11-07 Vu N. Ha

In cellular wireless networks, user association refers to the problem of assigning mobile users to base station cells -- a critical, but challenging, problem in many emerging small cell and heterogeneous networks. This paper considers a…

Networking and Internet Architecture · Computer Science 2013-04-16 Changkyu Kim , Russell Ford , Yanjia Qi , Sundeep Rangan

In the area of full duplex (FD)-enabled small cell networks, limited works have been done on consideration of cache and mobile edge communication (MEC). In this paper, a virtual FD-enabled small cell network with cache and MEC is…

Networking and Internet Architecture · Computer Science 2017-06-30 Zhiyuan Tan , F. Richard Yu , Xi Li , Hong Ji , Victor C. M. Leung

Endowed with context-awareness and proactive capabilities, caching users' content locally at the edge of the network is able to cope with increasing data traffic demand in 5G wireless networks. In this work, we focus on the energy…

Information Theory · Computer Science 2016-11-15 Bhanukiran Perabathini , Ejder Baştuğ , Marios Kountouris , Mérouane Debbah , Alberto Conte

In cellular massive Machine-Type Communications (MTC), a device can transmit directly to the base station (BS) or through an aggregator (intermediate node). While direct device-BS communication has recently been in the focus of 5G/3GPP…

Information Theory · Computer Science 2017-09-08 Dong Min Kim , René B. Sørensen , Kashif Mahmood , Olav Norvald Østerbø , Andrea Zanella , Petar Popovski

The problem of cell association is considered for cellular users present in the field. This has become a challenging problem with the deployment of 5G networks which will share the sub-6 GHz bands with the legacy 4G networks. Instead of…

Signal Processing · Electrical Eng. & Systems 2019-10-31 Yinsong Wang , Hessam Mahdavifar , Kamran Entesari , Shahin Shahrampour

The deployment of small cells is expected to gain huge momentum in the near future, as a solution for managing the skyrocketing mobile data demand growth. Local caching of popular files at the small cell base stations has been recently…

Networking and Internet Architecture · Computer Science 2014-03-03 Konstantinos Poularakis , George Iosifidis , Vasilis Sourlas , Leandros Tassiulas

Small-cell densification is a strategy enabling the offloading of users from macro base stations (MBSs), in order to alleviate their load and increase the coverage, especially, for cell-edge users. In parallel, as the network increases in…

Information Theory · Computer Science 2019-01-15 Anastasios Papazafeiropoulos , Pandelis Kourtessis , Marco Di Renzo , John M. Senior , Symeon Chatzinotas

There is an increase in usage of smaller cells or femtocells to improve performance and coverage of next-generation heterogeneous wireless networks (HetNets). However, the interference caused by femtocells to neighboring cells is a limiting…

Information Theory · Computer Science 2018-03-20 Roohollah Amiri , Hani Mehrpouyan , Lex Fridman , Ranjan K. Mallik , Arumugam Nallanathan , David Matolak

Nowadays, data caching is being used as a high-speed data storage layer in mobile edge computing networks employing flow control methodologies at an exponential rate. This study shows how to discover the best architecture for backhaul…

Networking and Internet Architecture · Computer Science 2022-11-29 Amir Ziaeddini , Amin Mohajer , Davoud Yousefi , A. Mirzaei , Shu Gonglee

Todays heterogeneous networks comprised of mostly macrocells and indoor small cells will not be able to meet the upcoming traffic demands. Indeed, it is forecasted that at least a 100x network capacity increase will be required to meet the…

Networking and Internet Architecture · Computer Science 2015-06-29 David Lopez-Perez , Ming Ding , Holger Claussen , Amir H. Jafari

The analyses of cellular network performance based on stochastic geometry generally ignore the traffic dynamics in the network. This restricts the proper evaluation and dimensioning of the network from the perspective of a mobile operator.…

Information Theory · Computer Science 2018-10-12 Gourab Ghatak , Antonio De Domenico , Marceau Coupechoux

Stringent mobile usage characteristics force wire- less networks to undergo a paradigm shift from conventional connection-centric to content-centric deployment. With respect to 5G, caching and heterogeneous networks (HetNet) are key…

Information Theory · Computer Science 2017-07-31 Jaber Kakar , Soheil Gherekhloo , Aydin Sezgin

Wireless content caching in small cell networks (SCNs) has recently been considered as an efficient way to reduce the traffic and the energy consumption of the backhaul in emerging heterogeneous cellular networks (HetNets). In this paper,…

Networking and Internet Architecture · Computer Science 2016-01-05 Zheng Chen , Jemin Lee , Tony Q. S. Quek , Marios Kountouris

Now a day's Heterogeneous wireless network is a promising field of research interest. Various challenges exist in this hybrid combination like load balancing, resource management and so on. In this paper we introduce a reliable load…

Networking and Internet Architecture · Computer Science 2012-02-10 Md. Golam Rabiul Alam , Chayan Biswas , Naushin Nower , Mohammed Shafiul Alam Khan

Capable of significantly reducing cell size and enhancing spatial reuse, network densification is shown to be one of the most dominant approaches to expand network capacity. Due to the scarcity of available spectrum resources, nevertheless,…

Information Theory · Computer Science 2017-07-04 Junyu Liu , Min Sheng , Kan Wang , Jiandong Li