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UAVs are capable of improving the performance of next generation wireless systems. Specifically, UAVs can be exploited as aerial base-stations (UAV-BS) for supporting legitimate ground users in remote uncovered areas or in environments…

Information Theory · Computer Science 2022-09-27 Hamed Bastami , Hamid Behroozi , Majid Moradikia , Ahmed Abdelhadi , Derrick Wing Kwan Ngand , Lajos Hanzo

The growing demand for low-latency computing in 6G is driving the use of UAV-based low-altitude mobile edge computing (MEC) systems. However, limited spectrum often leads to severe uplink interference among ground terminals (GTs). In this…

Networking and Internet Architecture · Computer Science 2025-07-18 Xudong Wang , Hongyang Du , Lei Feng , Kaibin Huang

Near-field integrated sensing and communication (ISAC) leverages distance-dependent channel variations for joint distance and angle estimation. However, full-digital architectures have prohibitive hardware costs, making hybrid…

Information Theory · Computer Science 2025-12-05 Jiasi Zhou , Chintha Tellambura , Geoffrey Ye Li

The diversity of workload requirements and increasing hardware heterogeneity in emerging high performance computing (HPC) systems motivate resource disaggregation. Resource disaggregation allows compute and memory resources to be allocated…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-07-19 George Michelogiannakis , Yehia Arafa , Brandon Cook , Liang Yuan Dai , Abdel Hameed Badawy , Madeleine Glick , Yuyang Wang , Keren Bergman , John Shalf

In this paper, we propose a deep state-action-reward-state-action (SARSA) $\lambda$ learning approach for optimising the uplink resource allocation in non-orthogonal multiple access (NOMA) aided ultra-reliable low-latency communication…

Information Theory · Computer Science 2022-01-19 Waleed Ahsan , Wenqiang Yi , Yuanwei Liu , Arumugam Nallanathan

In this paper, we study resource allocation algorithm design for multi-user orthogonal frequency division multiple access (OFDMA) ultra-reliable low latency communication (URLLC) in mobile edge computing (MEC) systems. To meet the stringent…

Information Theory · Computer Science 2022-11-10 Walid R. Ghanem , Vahid Jamali , Robert Schober

This paper considers joint uplink/downlink of an orthogonal frequency division multiple access (OFDMA)-based heterogeneous network (HetNet) consisting of a single macro base station (MBS), multiple femto base stations (FBSs) and access…

Information Theory · Computer Science 2018-03-19 Sepehr Rezvani , Nader Mokari , Mohammad R. Javan

In this paper, the outage performance of downlink non-orthogonal multiple access (NOMA) is investigated for the case where each user feeds back only one bit of its channel state information (CSI) to the base station. Conventionally,…

Information Theory · Computer Science 2016-05-18 Peng Xu , Yi Yuan , Zhiguo Ding , Xuchu Dai , Robert Schober

Access patterns to data stored remotely create a side channel that is known to leak information even if the content of the data is encrypted. To protect against access pattern leakage, Oblivious RAM is a cryptographic primitive that…

Cryptography and Security · Computer Science 2024-06-14 William Holland , Olga Ohrimenko , Anthony Wirth

We present Dinomo, a novel key-value store for disaggregated persistent memory (DPM). Dinomo is the first key-value store for DPM that simultaneously achieves high common-case performance, scalability, and lightweight online…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-09-20 Sekwon Lee , Soujanya Ponnapalli , Sharad Singhal , Marcos K. Aguilera , Kimberly Keeton , Vijay Chidambaram

Next generation high-performance RDMA-capable networks will require a fundamental rethinking of the design and architecture of modern distributed DBMSs. These systems are commonly designed and optimized under the assumption that the network…

Databases · Computer Science 2015-12-22 Carsten Binnig , Andrew Crotty , Alex Galakatos , Tim Kraska , Erfan Zamanian

This paper investigates the data collection enhancement problem in a reconfigurable intelligent surface (RIS)-empowered intelligent consumer transportation system (ICTS). We propose a novel framework where a data center (DC) provides energy…

Information Theory · Computer Science 2025-09-12 Chunjie Wang , Xuhui Zhang , Wenchao Liu , Jinke Ren , Shuqiang Wang , Yanyan Shen , Kejiang Ye , Kim Fung Tsang

Remote Direct Memory Access (RDMA) has been haunted by the need of pinning down memory regions. Pinning limits the memory utilization because it impedes on-demand paging and swapping. It also increases the initialization latency of large…

Networking and Internet Architecture · Computer Science 2023-10-18 Huijun Shen , Guo Chen , Bojie Li , Xingtong Lin , Xingyu Zhang , Xizheng Wang , Amit Geron , Shamir Rabinovitch , Haifeng Lin , Han Ruan , Lijun Li , Jingbin Zhou , Kun Tan

Disaggregated memory is a promising approach that addresses the limitations of traditional memory architectures by enabling memory to be decoupled from compute nodes and shared across a data center. Cloud platforms have deployed such…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-06-21 Nan Ding , Pieter Maris , Hai Ah Nam , Taylor Groves , Muaaz Gul Awan , LeAnn Lindsey , Christopher Daley , Oguz Selvitopi , Leonid Oliker , Nicholas Wright , Samuel Williams

This paper proposes a new evolutionary algorithm, called DSMGA-II, to efficiently solve optimization problems via exploiting problem substructures. The proposed algorithm adopts pairwise linkage detection and stores the information in the…

Neural and Evolutionary Computing · Computer Science 2018-08-01 Shih-Huan Hsu , Tian-Li Yu

Backup storage systems often remove redundancy across backups via inline deduplication, which works by referring duplicate chunks of the latest backup to those of existing backups. However, inline deduplication degrades restore performance…

Distributed, Parallel, and Cluster Computing · Computer Science 2014-05-23 Yan Kit Li , Min Xu , Chun Ho Ng , Patrick P. C. Lee

An external memory data structure is presented for maintaining a dynamic set of $N$ two-dimensional points under the insertion and deletion of points, and supporting 3-sided range reporting queries and top-$k$ queries, where top-$k$ queries…

Computational Geometry · Computer Science 2015-09-29 Gerth Stølting Brodal

By harnessing the delay-Doppler (DD) resource domain, orthogonal time-frequency space (OTFS) substantially improves the communication performance under high-mobility scenarios by maintaining quasi-time-invariant channel characteristics.…

Information Theory · Computer Science 2024-11-18 Jie Chen , Xianbin Wang , Lajos Hanzo

The concept of memory disaggregation has recently been gaining traction in research. With memory disaggregation, data center compute nodes can directly access memory on adjacent nodes and are therefore able to overcome local memory…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-04-28 Robin Abrahamse , Akos Hadnagy , Zaid Al-Ars

This paper proposes round-hashing, which is suitable for data storage on distributed servers and for implementing external-memory tables in which each lookup retrieves at most a single block of external memory, using a stash. For data…

Data Structures and Algorithms · Computer Science 2018-05-09 Roberto Grossi , Luca Versari
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