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Small cells are a cost-effective way to reliably expand network coverage and provide significantly increased capacity for end users. The ultra-high bandwidth available at millimeter (mmWave) and Terahertz (THz) frequencies can effectively…

Networking and Internet Architecture · Computer Science 2020-05-12 Angela Sara Cacciapuoti , Ramanathan Subramanian , Kaushik Roy Chowdhury , Marcello Caleffi

For real-time traffic, the link quality and call blocking probability (both derived from coverage probability) are realized to be poor for cell edge users (CEUs) compared to cell center users (CCUs) as the signal reception in the cell…

Information Theory · Computer Science 2017-03-10 Praful D. Mankar , Goutam Das , S. S. Pathak

This paper investigates a joint beamforming design in a multiuser multiple-input single-output (MISO) communication network aided with an intelligent reflecting surface (IRS) panel. The symbol-level precoding (SLP) is adopted to enhance the…

Information Theory · Computer Science 2021-09-01 Guangyang Zhang , Chao Shen , Bo Ai , Zhangdui Zhong

Millimeter wave (mmWave) communications have been postulated as one of the most disruptive technologies for future 5G systems. Among mmWave bands the 60-GHz radio technology is specially suited for ultradense small cells and mobile data…

Networking and Internet Architecture · Computer Science 2016-05-19 Cristina Perfecto , Javier Del Ser , Muhammad Ikram Ashraf , Miren Nekane Bilbao , Mehdi Bennis

One of the paramount advantages of multi-level cache-enabled (MLCE) networks is pushing contents proximity to the network edge and proactively caching them at multiple transmitters (i.e., small base-stations (SBSs), unmanned aerial vehicles…

Information Theory · Computer Science 2021-02-09 Mohammed S. Al-Abiad , Md. Zoheb Hassan , Md. Jahangir Hossain

The unrelenting increase in the population of mobile users and their traffic demands drive cellular network operators to densify their network infrastructure. Network densification shrinks the footprint of base stations (BSs) and reduces…

Information Theory · Computer Science 2016-07-22 Hazem Ibrahim , Hesham ElSawy , Uyen T. Nguyen , Mohamed-Slim Alouini

This paper studies the coordinated beamforming design problem for the multiple-input single-output (MISO) interference channel, assuming only channel distribution information (CDI) at the transmitters. Under a given requirement on the rate…

Information Theory · Computer Science 2016-11-18 Wei-Chiang Li , Tsung-Hui Chang , Che Lin , Chong-Yung Chi

Cooperatively optimizing a vast number of agents that are connected over a large-scale network brings unprecedented scalability challenges. This paper revolves around problems optimizing coupled objective functions under coupled…

Optimization and Control · Mathematics 2020-10-14 Xiang Huo , Mingxi Liu

Merging Mobile Edge Computing (MEC), which is an emerging paradigm to meet the increasing computation demands from mobile devices, with the dense deployment of Base Stations (BSs), is foreseen as a key step towards the next generation…

Networking and Internet Architecture · Computer Science 2017-01-26 Lixing Chen , Sheng Zhou , Jie Xu

Multi-cell cooperation is an effective means to improve service quality to cellular users. Existing work primarily focuses on interference cancellation using all the degrees of freedom (DoF). This leads to low service quality for some users…

Information Theory · Computer Science 2023-10-31 Chen-Yen Lin , Kuang-Hao , Liu

In this contribution, we consider a two-tiered network and focus on the coexistence between the two tiers at physical layer. We target our efforts on a long term evolution advanced (LTE-A) orthogonal frequency division multiple access…

Information Theory · Computer Science 2013-02-21 Marco Maso , Merouane Debbah , Lorenzo Vangelista

Spiking Neural Networks (SNNs) are widely deployed to solve complex pattern recognition, function approximation and image classification tasks. With the growing size and complexity of these networks, hardware implementation becomes…

Neurons and Cognition · Quantitative Biology 2019-08-22 Anup Das , Yuefeng Wu , Khanh Huynh , Francesco Dell'Anna , Francky Catthoor , Siebren Schaafsma

In this paper, the problem of outer beamformer design based only on channel statistic information is considered for two-stage beamforming for multi-user massive MIMO downlink, and the problem is approached based on…

Information Theory · Computer Science 2016-11-18 Donggun Kim , Gilwon Lee , Youngchul Sung

This paper considers a downlink ultra-dense heterogeneous cloud radio access network (H-CRAN) which guarantees seamless coverage and can provide high date rates. In order to reduce channel state information (CSI) feedback overhead,…

Information Theory · Computer Science 2018-04-24 Hao Xu , Cunhua Pan , Wei Xu , Gordon L. Stüber , Jianfeng Shi , Ming Chen

The current and envisaged increase of cellular traffic poses new challenges to Mobile Network Operators (MNO), who must densify their Radio Access Networks (RAN) while maintaining low Capital Expenditure and Operational Expenditure to…

Networking and Internet Architecture · Computer Science 2017-06-08 Georgios Kollias , Ferran Adelantado , Christos Verikoukis

A robust power scheduling algorithm is proposed to schedule power flow between the main electricity grid and a microgird with solar energy generation and battery energy storage subject to uncertainty in solar energy production. To avoid…

Systems and Control · Computer Science 2019-02-22 Amir Valibeygi , Abdulelah H. Habib , Raymond A. de Callafon

Simultaneous multiuser beamforming in multiantenna downlink channels can entail dirty paper (DP) precoding (optimal and high complexity) or linear precoding (suboptimal and low complexity) approaches. The system performance is typically…

Information Theory · Computer Science 2013-07-22 Serdar Ozyurt , Murat Torlak

We consider the problem of scheduling and power allocation for the downlink of a 5G cellular system operating in the millimeter wave (mmWave) band and serving two sets of users: fix-rate (FR) users typically seen in device-to-device (D2D)…

Information Theory · Computer Science 2017-06-28 Alessandro Brighente , Stefano Tomasin

Developing resource allocation algorithms with strong real-time and high efficiency has been an imperative topic in wireless networks. Conventional optimization-based iterative resource allocation algorithms often suffer from slow…

Signal Processing · Electrical Eng. & Systems 2020-09-22 Siyuan Lu , Shengjie Zhao , Qingjiang Shi

Extremely large-scale multiple-input multiple-output (XL-MIMO) is gaining attention as a prominent technology for enabling the sixth-generation (6G) wireless networks. However, the vast antenna array and the huge bandwidth introduce a…

Signal Processing · Electrical Eng. & Systems 2024-12-03 Hao Lei , Jiayi Zhang , Huahua Xiao , Derrick Wing Kwan Ng , Bo Ai
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