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Unmanned aerial vehicle (UAV)-enabled mobile edge computing (MEC) systems can use different multiple access schemes to coordinate multi-user task offloading. However, it is still unknown which scheme is the most energy-efficient, especially…

Information Theory · Computer Science 2025-10-28 Qingjie Wu , Miao Cui , Guangchi Zhang , Beixiong Zheng , Xiaoli Chu , Qingqing Wu

In this paper, we study the simultaneous wireless information and power transfer (SWIPT) in downlink multiuser orthogonal frequency-division multiple access (OFDMA) systems, where each user applies power splitting scheme to coordinate the…

Information Theory · Computer Science 2015-09-16 Meng Zhang , Yuan Liu

This letter introduces a novel framework to optimize the power allocation for users in a Rate Splitting Multiple Access (RSMA) network. In the network, messages intended for users are split into different parts that are a single common part…

Information Theory · Computer Science 2021-10-06 Nguyen Quang Hieu , Dinh Thai Hoang , Dusit Niyato , Dong In Kim

Next-generation internet of things (IoT) applications need trillions of low-powered wireless mobile devices to connect with each other having ultra-reliability and low-latency. Non-orthogonal multiple access (NOMA) is a promising technology…

Signal Processing · Electrical Eng. & Systems 2020-12-16 Kuntal Deka , Sanjeev Sharma

In cloud block store, indexing is on the critical path of I/O operations and typically resides in memory. With the scaling of users and the emergence of denser storage media, the index has become a primary memory consumer, causing memory…

Operating Systems · Computer Science 2026-01-21 Haoru Zhao , Mingkai Dong , Erci Xu , Zhongyu Wang , Haibo Chen

Current "data deluge" has flooded the Web of Data with very large RDF datasets. They are hosted and queried through SPARQL endpoints which act as nodes of a semantic net built on the principles of the Linked Data project. Although this is a…

Information Retrieval · Computer Science 2011-05-23 Sandra Álvarez-García , Nieves R. Brisaboa , Javier D. Fernández , Miguel A. Martínez-Prieto

Non-orthogonal multiple access (NOMA) is widely viewed as a potential candidate for providing enhanced multiple access in future mobile networks by eliminating the orthogonal distribution of radio resources amongst the users. Nevertheless,…

Signal Processing · Electrical Eng. & Systems 2024-12-03 Aditya Powari , Daniel K. C. So

Deep learning-based recommendation models (DLRMs) are widely deployed in commercial applications to enhance user experience. However, the large and sparse embedding layers in these models impose substantial memory bandwidth bottlenecks due…

Hardware Architecture · Computer Science 2025-09-16 Yu-Hong Lai , Chieh-Lin Tsai , Wen Sheng Lim , Han-Wen Hu , Tei-Wei Kuo , Yuan-Hao Chang

This paper addresses a weighted sum rate (WSR) maximization problem for downlink OFDMA aided by a decode-and-forward (DF) relay under a total power constraint. A novel subcarrier-pair based opportunistic DF relaying protocol is proposed.…

Systems and Control · Computer Science 2015-06-12 Tao Wang , Francois Glineur , Jerome Louveaux , Luc Vandendorpe

In this paper, we study the performance of non-orthogonal multiple access (NOMA) schemes in wireless powered communication networks (WPCN) focusing on the system energy efficiency (EE). We consider multiple energy harvesting user equipments…

Information Theory · Computer Science 2018-06-19 Tewodros A. Zewde , M. Cenk Gursoy

In this paper, we study the resource allocation problem for a single-cell non-orthogonal multiple access (NOMA) relay network where an OFDM amplify-and-forward (AF) relay allocates the spectrum and power resources to the source-destination…

Networking and Internet Architecture · Computer Science 2016-11-15 Shuhang Zhang , Boya Di , Lingyang Song , Yonghui Li

This work introduces downlink non-orthogonal multiple access (NOMA) into short-packet communications. NOMA has great potential to improve fairness and spectral efficiency with respect to orthogonal multiple access (OMA) for low-latency…

Information Theory · Computer Science 2018-06-12 Xiaofang Sun , Shihao Yan , Nan Yang , Zhiguo Ding , Chao Shen , Zhangdui Zhong

This study considers an orthogonal frequency-division multiple-access (OFDMA)-based multi-user two-way relay network where multiple mobile stations (MSs) communicate with a common base station (BS) via multiple relay stations (RSs). We…

Information Theory · Computer Science 2012-01-04 Hao Zhang , Yuan Liu , Meixia Tao

This paper considers a downlink non-orthogonal multiple access (NOMA) system where the source intends to transmit independent information to the users at targeted data rates under statistical channel state information at the transmitter.…

Information Theory · Computer Science 2015-07-17 Sulong Shi , Longxiang Yang , Hongbo Zhu

In uplink non-orthogonal multiple access (NOMA) channels, the existing cooperative successive interference cancellation (SIC) and power control (PC) schemes lack the capability of achieving the full capacity region, which restricts the…

Information Theory · Computer Science 2022-02-02 Hongwu Liu , Zhiquan Bai , Hongjiang Lei , Gaofeng Pan , Kyeong Jin Kim , Theodoros A. Tsiftsis

Optimal resource allocation (RA) in massive carrier aggregation scenarios is a challenging combinatorial optimization problem whose dimension is proportional to the number of users, component carriers (CCs), and OFDMA resource blocks per…

Information Theory · Computer Science 2017-06-19 Stelios Stefanatos , Fotis Foukalas , Theodoros A. Tsiftsis

Remote Direct Memory Access (RDMA) is a memory technology that allows remote devices to directly write to and read from each other's memory, bypassing components such as the CPU and operating system. This enables low-latency high-throughput…

We consider an intelligent reflecting surface (IRS)-aided mobile edge computing (MEC) system, where an IRS is deployed to assist computation offloading from two users to an access point connected with an edge cloud. For the IRS-aided data…

Information Theory · Computer Science 2020-11-10 Fasheng Zhou , Changsheng You , Rui Zhang

The disaggregated memory (DM) architecture offers high resource elasticity at the cost of data access performance. While caching frequently accessed data in compute nodes (CNs) reduces access overhead, it requires costly centralized…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-05-26 Hanze Zhang , Kaiming Wang , Rong Chen , Xingda Wei , Haibo Chen

Embedded and Internet-of-Things (IoT) devices have seen an increase in adoption in many domains. The security of these devices is of great importance as they are often used to control critical infrastructure, medical devices, and vehicles.…

Cryptography and Security · Computer Science 2022-01-17 Alejandro Mera , Yi Hui Chen , Ruimin Sun , Engin Kirda , Long Lu