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In this paper, we propose algorithms to minimize the energy consumption in millimeter wave/terahertz multi-user downlink communication systems. To ensure coverage in blockage-vulnerable high frequency systems, we consider cooperative…

Information Theory · Computer Science 2024-03-20 Hyesang Cho , Junil Choi

Due to the fact that quality of service requirements are not very strict for all traffic types, more calls of higher priority can be accommodated by reducing some bandwidth allocation for the bandwidth adaptive calls. The bandwidth…

Networking and Internet Architecture · Computer Science 2014-12-12 Mostafa Zaman Chowdhury , Yeong Min Jang

The increasing number of wireless devices operating in unlicensed spectrum motivates the development of intelligent adaptive approaches to spectrum access. We consider decentralized contention-based medium access for base stations (BSs)…

Information Theory · Computer Science 2021-10-15 Akash Doshi , Srinivas Yerramalli , Lorenzo Ferrari , Taesang Yoo , Jeffrey G. Andrews

Technological advancement has brought revolutionary change in the converged wireless networks. Due to the existence of different types of traffic, provisioning of Quality of Service (QoS) becomes a challenge in the wireless networks. In…

Networking and Internet Architecture · Computer Science 2018-10-08 Mohammad Arif Hossain , Mostafa Zaman Chowdhury , Shakil Ahmed , Yeong Min Jang

An adaptive delay-tolerant distributed space-time coding (DSTC) scheme with feedback is proposed for two-hop cooperative multiple-input multiple-output (MIMO) networks using an amplify-and-forward strategy and opportunistic relaying…

Information Theory · Computer Science 2014-12-16 T. Peng , R. C. de Lamare

The exploitation of vehicles as mobile sensors acts as a catalyst for novel crowdsensing-based applications such as intelligent traffic control and distributed weather forecast. However, the massive increases in Machine-type Communication…

Networking and Internet Architecture · Computer Science 2019-08-06 Benjamin Sliwa , Robert Falkenberg , Thomas Liebig , Nico Piatkowski , Christian Wietfeld

Distributed multi-task learning (DMTL) effectively improves model generalization performance through the collaborative training of multiple related models. However, in large-scale learning scenarios, communication bottlenecks severely limit…

Information Theory · Computer Science 2025-07-25 Minquan Cheng , Yongkang Wang , Lingyu Zhang , Youlong Wu

We propose the QoS-aware BS-selection and the corresponding resource-allocation schemes for downlink multi-user transmissions over the distributed multiple-input-multiple-output (MIMO) links, where multiple location-independent…

Information Theory · Computer Science 2011-05-03 Qinghe Du , Xi Zhang

Good quality video services always require higher bandwidth. Hence, to provide the video services e.g., multicast/broadcast services (MBS) and unicast services along with the existing voice, internet, and other background traffic services…

Multimedia · Computer Science 2014-12-12 Mostafa Zaman Chowdhury , Tuan Nguyen , Young-Il Kim , Won Ryu , Yeong Min Jang

Provisioning of quality of service (QoS) is a key issue in visible light communication (VLC) system as well as in other wireless communication systems. Due to the fact that QoS requirements are not as strict for all traffic types, more…

Networking and Internet Architecture · Computer Science 2014-12-12 Mostafa Zaman Chowdhury , Muhammad Shahin Uddin , Yeong Min Jang

An adaptive delay-tolerant distributed space-time coding (DSTC) scheme that exploits feedback is proposed for two-hop cooperative MIMO networks. Maximum likelihood (ML) receivers and adjustable code matrices are considered subject to a…

Information Theory · Computer Science 2014-05-20 Tong Peng , Rodrigo C. de Lamare

Recently, Dynamic Time Division Duplex (TDD) has been proposed to handle the asymmetry of traffic demand between DownLink (DL) and UpLink (UL) in Heterogeneous Networks (HetNets). However, for mixed traffic consisting of best effort traffic…

Networking and Internet Architecture · Computer Science 2016-08-25 Qiang Fan , Hancheng Lu , Peilin Hong , Chang Wen Chen

We propose the QoS-aware BS-selection schemes for the distributed wireless MIMO links, which aim at minimizing the BS usages and reducing the interfering range, while satisfying diverse statistical delay-QoS constraints characterized by the…

Information Theory · Computer Science 2011-04-22 Qinghe Du , Xi Zhang

In this work, we propose a dynamic buffer-aided distributed space-time coding (DSTC) scheme for cooperative direct-sequence code-division multiple access systems. We first devise a relay selection algorithm that can automatically select the…

Information Theory · Computer Science 2016-08-17 J. Gu , R. C. de Lamare

This work proposes a novel learning driven bandwidth optimization framework called DRASTIC (Dynamic Resource Allocation for Slicing in Task aware Closed loop tactile Internet applications). The proposed framework dynamically allocates…

Networking and Internet Architecture · Computer Science 2026-03-31 Narges Golmohammadi , Madan Mohan Rayguru , Sabur Baidya

This paper presents a predictive deep learning framework for dynamic sub-band allocation in Sub-Band Full Duplex (SBFD) systems, addressing the challenge of balancing uplink (UL) and downlink (DL) performance under highly dynamic traffic…

Networking and Internet Architecture · Computer Science 2026-05-15 Abhiram D , Aiswarya Rajan , Arin Shemeem , Vipindev Adat Vasudevan , Abdulla P

Mobile-edge computing (MEC) has emerged as a prominent technique to provide mobile services with high computation requirement, by migrating the computation-intensive tasks from the mobile devices to the nearby MEC servers. To reduce the…

Information Theory · Computer Science 2017-01-19 Yuyi Mao , Jun Zhang , Khaled B. Letaief

We consider the problem of multi-user spectrum access in wireless networks. The bandwidth is divided into K orthogonal channels, and M users aim to access the spectrum. Each user chooses a single channel for transmission at each time slot.…

Signal Processing · Electrical Eng. & Systems 2021-01-28 Tomer Gafni , Kobi Cohen

We propose a new spectrum allocation strategy, aided by unsupervised learning, for multiuser terahertz communication systems. In this strategy, adaptive sub-band bandwidth is considered such that the spectrum of interest can be divided into…

Machine Learning · Computer Science 2024-10-28 Akram Shafie , Chunhui Li , Nan Yang , Xiangyun Zhou , Trung Q. Duong

In order to deal with the recent rapid increase in Internet traffic, a transmission technology is required to enable the efficient use of the optical fiber spectrum while offering flexibility in network bandwidth. To meet these challenges,…

Networking and Internet Architecture · Computer Science 2020-02-11 Lucas R. Costa , André C. Drummond