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Heterogeneous network (HetNet) has been proposed as a promising solution for handling the wireless traffic explosion in future fifth-generation (5G) system. In this paper, a joint subchannel and power allocation problem is formulated for…

Signal Processing · Electrical Eng. & Systems 2019-03-04 Di Xu , Xiaojing Che , Changhao Wu , Shunqing Zhang , Shugong Xu , Shan Cao

We study the problem of joint load balancing and interference mitigation in heterogeneous networks (HetNets) in which massive multiple-input multiple-output (MIMO) macro cell base station (BS) equipped with a large number of antennas,…

Networking and Internet Architecture · Computer Science 2017-07-11 Trung Kien Vu , Mehdi Bennis , Sumudu Samarakoon , Mérouane Debbah , Matti Latva-aho

Cellular networks are constantly lagging in terms of the bandwidth needed to support the growing high data rate demands. The system needs to efficiently allocate its frequency spectrum such that the spectrum utilization can be maximized…

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

This paper considers non-cooperative and fully-distributed power-allocation for selfish transmitter-receiver pairs in shared unlicensed spectrum when normalized-interference to each receiver is uncertain. We model each uncertain parameter…

Information Theory · Computer Science 2015-03-19 Saeideh Parsaei fard , Ahmad R. Sharafat

The heterogeneity in cellular networks that comprise multiple base stations types imposes new challenges in network planning and deployment. The Radio Resource Management (RRM) techniques, such as dynamic sharing of the available resources…

Information Theory · Computer Science 2014-12-18 Katerina Smiljkovikj , Aleksandar Ichkov , Marko Angjelicinoski , Vladimir Atanasovski , Liljana Gavrilovska

In a heterogeneous cellular network (HetNet), consider that a base station in the HetNet is able to simultaneously schedule and serve K users in the downlink by performing the power-domain non-orthogonal multiple access (NOMA) scheme. This…

Information Theory · Computer Science 2018-01-16 Chun-Hung Liu , Di-Chun Liang

The possibility of jointly optimizing location sensing and communication resources, facilitated by the existence of communication and sensing spectrum sharing, is what promotes the system performance to a higher level. However, the rapid…

Systems and Control · Electrical Eng. & Systems 2024-05-29 Haijun Zhang , Bowen Chen , Xiangnan Liu , Chao Ren

To solve the problem that the low capacity in hot-spots and coverage holes of conventional cellular networks, the base stations (BSs) having lower transmit power are deployed to form heterogeneous cellular networks (HetNets). However,…

Information Theory · Computer Science 2014-01-07 Tianqing Zhou , Yongming Huang , Luxi Yang

The incorporation of Cognitive Radio (CR) and Energy Harvesting (EH) capabilities in wireless sensor networks enables spectrum and energy efficient heterogeneous cognitive radio sensor networks (HCRSNs). The new networking paradigm of…

Networking and Internet Architecture · Computer Science 2016-04-07 Deyu Zhang , Zhigang Chen Ju Ren , Ning Zhang , Mohamad Khattar Awad , Haibo Zhou , Xuemin , Shen

In cellular networks, the locations of the radio access network (RAN) elements are determined mainly based on the long-term traffic behaviour. However, when the random and hard-to-predict spatio-temporal distribution of the traffic…

Networking and Internet Architecture · Computer Science 2016-07-25 Irem Bor-Yaliniz , Halim Yanikomeroglu

Considering a heterogeneous network (HetNet) where both macro base station (BS) and small cell (SC) nodes are equipped with massive antennas, this paper studies the performance for multiple-input multiple-output (MIMO) downlinks when the…

Information Theory · Computer Science 2016-08-15 Yongyu Dai , Xiaodai Dong , Hai Lin

Large-scale mobile edge computing (MEC) systems require scalable solutions to allocate communication and computing resources to the users. In this letter we address this challenge by applying dynamic spectrum sharing among the base stations…

Information Theory · Computer Science 2019-10-14 Ming Zeng , Viktoria Fodor

Heterogeneous networks (HetNets) with offloading is considered as an effective way to meet the high data rate demand of future wireless service. However, the offloaded users suffer from strong inter-tier interference, which reduces the…

Information Theory · Computer Science 2015-02-27 Yueping Wu , Ying Cui , Bruno Clerckx

In this paper, we employ deep reinforcement learning to develop a novel radio resource allocation and packet scheduling scheme for different Quality of Service (QoS) requirements applicable to LTEadvanced and 5G networks. In addition,…

Signal Processing · Electrical Eng. & Systems 2020-08-18 Mahdi Nouri Boroujerdi , Mohammad Akbari , Roghayeh Joda , Mohammad Ali Maddah-Ali , Babak Hossein Khalaj

The multiple access scheduling decides how the channel is shared among the nodes in the network. Typical scheduling algorithms aims at increasing the channel utilization and thereby throughput of the network. This paper describes several…

Information Theory · Computer Science 2025-09-30 Vijaya Yajnanarayana , Klas E. G. Magnusson , Rasmus Brandt , Satyam Dwivedi , Peter Händel

Co-channel interference poses a challenge in any wireless communication network where the time-frequency resources are reused over different geographical areas. The interference is particularly diverse in cell-free massive multiple-input…

Signal Processing · Electrical Eng. & Systems 2024-04-19 Mahmoud Zaher , Emil Björnson , Marina Petrova

Future wireless networks are required to support 1000 times higher data rate, than the current LTE standard. In order to meet the ever increasing demand, it is inevitable that, future wireless networks will have to develop seamless…

Information Theory · Computer Science 2015-06-23 Young Jin Chun , Mazen Omar Hasna , Ali Ghrayeb , Marco Di Renzo

Resource allocation in LTE networks is known to be an NP-hard problem. In this paper, we address an even more complex scenario: an LTE-based, 2-tier heterogeneous network where D2D mode is supported under the network control. All…

Networking and Internet Architecture · Computer Science 2016-11-15 Francesco Malandrino , Claudio Casetti , Carla-Fabiana Chiasserini , Zana Limani

In this paper, we consider the sixth generation (6G) sub-networks, where hyper reliable low latency communications (HRLLC) requirements are expected to be met. We focus on a scenario where multiple sub-networks are active in the service…

Signal Processing · Electrical Eng. & Systems 2023-10-24 Mohamed Elwekeil , Lorenzo Galati Giordano , Paolo Baracca , Stefano Buzzi

We consider the problem of rate allocation among multiple simultaneous video streams sharing multiple heterogeneous access networks. We develop and evaluate an analytical framework for optimal rate allocation based on observed available bit…

Multimedia · Computer Science 2010-01-08 Xiaoqing Zhu , Piyush Agrawal , Jatinder Pal Singh , Tansu Alpcan , Bernd Girod