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Benefiting from the usage of the high-frequency band, utilizing part of the large available bandwidth for wireless backhauling is feasible without considerable performance sacrifice. In this context, integrated access and backhaul (IAB) was…

Networking and Internet Architecture · Computer Science 2021-08-03 Yongqiang Zhang , Mustafa A. Kishk , Mohamed-Slim Alouini

Recently, the millimeter wave (mmWave) bands have been investigated as a means to support the foreseen extreme data rate demands of next-generation cellular networks (5G). However, in order to overcome the severe isotropic path loss and the…

Networking and Internet Architecture · Computer Science 2019-11-11 Michele Polese , Marco Giordani , Arnab Roy , Sanjay Goyal , Douglas Castor , Michele Zorzi

The joint user association and spectrum allocation problem is studied for multi-tier heterogeneous networks (HetNets) in both downlink and uplink in the interference-limited regime. Users are associated with base-stations (BSs) based on the…

Networking and Internet Architecture · Computer Science 2016-11-15 Yicheng Lin , Wei Bao , Wei Yu , Ben Liang

In this paper, we consider a cooperative sensing framework in the context of future multi-functional network with both communication and sensing ability, where one base station (BS) serves as a sensing transmitter and several nearby BSs…

Information Theory · Computer Science 2024-12-18 Mingxin Chen , Ming-Min Zhao , An Liu , Min Li , Qingjiang Shi

This paper addresses cooperation in a multicell environment where base stations (BSs) wish to jointly serve multiple users, under a constrained-capacity backhaul. We point out that for finite backhaul capacity a trade-off between sharing…

Information Theory · Computer Science 2015-05-27 Randa Zakhour , David Gesbert

Mobile backhaul system based on a wireless mesh network using point-to-point millimetre wave links is a promising solution for dense 5G small cell deployments. While mmW radio technology can provide the sufficient capacity, the management…

Networking and Internet Architecture · Computer Science 2020-05-26 Kari Seppänen , Pekka J. Wainio

In this paper, we study the design of a hybrid precoder, consisting of an analog and a digital precoder, for the delivery phase of downlink cache-enabled millimeter wave (mmWave) radio access networks (CeMm-RANs). In CeMm-RANs, enhanced…

Information Theory · Computer Science 2019-01-23 Shiwen He , Yongpeng Wu , Ju Ren , Yongming Huang , Robert Schober , Yaoxue Zhang

Small cells have been proposed as a vehicle for wireless networks to keep up with surging demand. Small cells come with a significant challenge of providing backhaul to transport data to(from) a gateway node in the core network. Fiber based…

Information Theory · Computer Science 2014-04-11 Muhammad Nazmul Islam , Ashwin Sampath , Atul Maharshi , Ozge Koymen , Narayan B. Mandayam

Popular content caching is expected to play a major role in efficiently reducing backhaul congestion and achieving user satisfaction in next generation mobile radio systems. Consider the downlink of a cache-enabled cloud radio access…

Information Theory · Computer Science 2016-09-07 Oussama Dhifallah , Hayssam Dahrouj , Tareq Y. Al-Naffouri , Mohamed-Slim Alouini

Unmanned aerial vehicles (UAVs) have emerged as a promising solution to provide wireless data access for ground users in various applications (e.g., in emergence situations). This paper considers a UAV-enabled wireless network, in which…

Information Theory · Computer Science 2019-03-21 Peiming Li , Jie Xu

Caching at the edge is a promising technique to cope with the increasing data demand in wireless networks. This paper analyzes the performance of cellular networks consisting of a tier macro-cell wireless backhaul nodes overlaid with a tier…

Information Theory · Computer Science 2017-05-25 Italo Atzeni , Marco Maso , Imène Ghamnia , Ejder Baştuğ , Mérouane Debbah

In cloud radio access networks (C-RANs), the baseband processing of the radio units (RUs) is migrated to remote control units (CUs). This is made possible by a network of backhaul links that connects RUs and CUs and that carries compressed…

Information Theory · Computer Science 2013-12-30 Seok-Hwan Park , Osvaldo Simeone , Onur Sahin , Shlomo Shamai

To address the massive growth of data traffic over cellular networks, increasing spatial reuse of the frequency spectrum by the deployment of small base stations (SBSs) has been considered. For rapid deployment of SBSs in the networks,…

In this paper, we study the probabilistic caching for an $N$-tier wireless heterogeneous network (HetNet) using stochastic geometry. A general and tractable expression of the successful delivery probability (SDP) is first derived. We then…

Information Theory · Computer Science 2017-11-29 Kuikui Li , Chenchen Yang , Zhiyong Chen , Meixia Tao

The next generation multibeam satellites open up a new way to design satellite communication channels with the full flexibility in bandwidth, transmit power and beam coverage management. In this paper, we exploit the flexible multibeam…

Information Theory · Computer Science 2022-01-25 Thang X. Vu , Nicola Maturo , Symeon Chatzinotas , Joel Grotz , Tom Christophory , Björn Ottersten

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

As an extension of cloud computing, fog computing at the edge of networks provides low latency, location awareness, and real-time interactions. At the same time, millimeter wave (mmWave) communications are able to provide directional…

Networking and Internet Architecture · Computer Science 2018-11-06 Yong Niu , Yu Liu , Yong Li , Zhangdui Zhong , Bo Ai , Pan Hui

Caching high-frequency reuse contents at the edge servers in the mobile edge computing (MEC) network omits the part of backhaul transmission and further releases the pressure of data traffic. However, how to efficiently decide the caching…

Networking and Internet Architecture · Computer Science 2021-03-02 Yuqi Han , Rui Wang , Jun Wu , Dian Liu , Haoqi Ren

Unmanned Aerial Vehicle Base Stations (UAVBSs) are envisioned to be an integral component of the next generation Wireless Communications Networks (WCNs) by dynamically moving the supply towards the demand. A significant drawback of the…

Networking and Internet Architecture · Computer Science 2020-08-27 Cihan Tugrul Cicek , Hakan Gultekin , Bulent Tavli , Halim Yanikomeroglu

In light of the premises of beyond fifth generation (B5G) networks, the need for better exploiting the capabilities of cloud-enabled networks arises, so as to cope with the large-scale interference resulting from the massive increase of…