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Millimeter-wave (mmWave) communication is a promising technology to cope with the exponential increase in 5G data traffic. Such networks typically require a very dense deployment of base stations. A subset of those, so-called macro base…

网络与互联网体系结构 · 计算机科学 2020-07-07 Dingwen Yuan , Hsuan-Yin Lin , Jörg Widmer , Matthias Hollick

A new random access scheme is proposed to solve the intra-cell pilot collision for M2M communication in crowded asynchronous massive multiple-input multiple-output (MIMO) systems. The proposed scheme utilizes the proposed estimation of…

信号处理 · 电气工程与系统科学 2020-07-14 Huimei Han , Wenchao Zhai , Zhefu Wu , Ying Li , Jun Zhao , Mingda Chen

Ultra-reliability and low latency communication has long been an important but challenging task in the fifth and sixth generation wireless communication systems. Scheduling as many users as possible to serve on the limited time-frequency…

信息论 · 计算机科学 2021-09-10 Shiwen He , Jun Yuan , Zhenyu An , Yunshan Yi , Yongming Huang

In this paper, a novel machine learning (ML) framework is proposed for enabling a predictive, efficient deployment of unmanned aerial vehicles (UAVs), acting as aerial base stations (BSs), to provide on-demand wireless service to cellular…

信号处理 · 电气工程与系统科学 2018-05-02 Qianqian Zhang , Mohammad Mozaffari , Walid Saad , Mehdi Bennis , Merouane Debbah

This letter aims to present a novel approach for unmanned aerial vehicles (UAV)' path planning with respect to certain quality of service requirements. More specifically, we study the max-min fairness problem in an air-to-ground…

计算工程、金融与科学 · 计算机科学 2019-12-05 Amine Bejaoui , Ki-Hong Park , Mohamed Slim Alouini

User scheduling and beamforming design are two crucial yet coupled topics for wireless communication systems. They are usually optimized separately with conventional optimization methods. In this paper, a novel cross-layer optimization…

信息论 · 计算机科学 2022-03-03 Shiwen He , Zhenyu An , Jianyue Zhu , Min Zhang , Yongming Huang , Yaoxue Zhang

This paper studies the sum throughput of the {multi-user} multiple-input-single-output (MISO) networks in the cases with large but finite number of transmit antennas and users. Considering continuous and bursty communication scenarios with…

信息论 · 计算机科学 2018-11-14 Behrooz Makki , Tommy Svensson , Mohamed-Slim Alouini

In this paper, a novel dual-mode scheduling framework is proposed that jointly performs user applications (UA) selection and scheduling over microwave ($\mu$W) and millimeter wave (mmW) bands. The proposed scheduling framework utilizes a…

信息论 · 计算机科学 2017-05-09 Omid Semiari , Walid Saad , Mehdi Bennis

When multiple processor cores (CPUs) and a GPU integrated together on the same chip share the off-chip DRAM, requests from the GPU can heavily interfere with requests from the CPUs, leading to low system performance and starvation of cores.…

硬件体系结构 · 计算机科学 2018-05-01 Rachata Ausavarungnirun , Gabriel H. Loh , Lavanya Subramanian , Kevin Chang , Onur Mutlu

Industrial wireless sensor networks (WSNs) are being used to improve the efficiency, productivity and safety of industrial processes. An open standard that is commonly used in such cases is IEEE 802.15.4e. Its TSCH mode employs a time…

网络与互联网体系结构 · 计算机科学 2018-08-14 Jetmir Haxhibeqiri , Abdulkadir Karaagac , Ingrid Moerman , Jeroen Hoebeke

Wi-Fi plays a crucial role in connecting electronic devices and providing communication services in everyday life. Recently, there has been a growing demand for services that require low-latency communication, such as real-time…

信息论 · 计算机科学 2025-08-29 Seungmin Lee , Changmin Lee , Si-Chan Noh , Joonsoo Lee

Usage of mobile sink(s) for data gathering in wireless sensor networks(WSNs) improves the performance of WSNs in many respects such as power consumption, lifetime, etc. In some applications, the mobile sink $MS$ travels along a predefined…

网络与互联网体系结构 · 计算机科学 2022-03-22 Dinesh Dash

In TSCH, which is a MAC mechanism set of the IEEE 802.15.4e amendment, calculation, construction, and maintenance of the packet transmission schedules are not defined. Moreover, to ensure optimal throughput, most of the existing scheduling…

网络与互联网体系结构 · 计算机科学 2019-09-17 Nastooh Taheri Javan , Masoud Sabaei , Vesal Hakami

Emerging 5G systems will need to efficiently support both enhanced mobile broadband traffic (eMBB) and ultra-low-latency communications (URLLC) traffic. In these systems, time is divided into slots which are further sub-divided into…

网络与互联网体系结构 · 计算机科学 2018-08-28 Arjun Anand , Gustavo de Veciana , Sanjay Shakkottai

Recently, it has been shown that CSMA-type random access algorithms can achieve the maximum possible throughput in ad hoc wireless networks. However, these algorithms assume an idealized continuous-time CSMA protocol where collisions can…

网络与互联网体系结构 · 计算机科学 2019-11-13 Jian Ni , Bo Tan , R. Srikant

Opportunistic scheduling and routing can in principle greatly increase the throughput of decentralized wireless networks, but to be practical they must do so with small amounts of timely side information. In this paper, we propose three…

信息论 · 计算机科学 2011-07-21 Chun-Hung Liu , Jeffrey G. Andrews

This paper develops a novel approach to obtaining energy-efficient transmission schedules for delay-limited bursty data arrivals under non-ideal circuit power consumption. Assuming a-prior knowledge of packet arrivals, deadlines and channel…

信息论 · 计算机科学 2015-03-27 Zheng Nan , Tianyi Chen , Xin Wang , Wei Ni

5G network operators consider the dense deployment of small base-stations (SBSs) to increase network coverage and capacity. Hence, operators face the challenge of X-hauling, i.e., backhauling or fronthauling, their traffic to the core…

信息论 · 计算机科学 2022-07-11 Mohamed Y. Selim , Ahmed E. Kamal , Farid Nait-Abdesselam

Due to the limited resource capacity of edge servers and the high purchase costs of edge resources, service providers are facing the new challenge of how to take full advantage of the constrained edge resources for Internet of Things (IoT)…

分布式、并行与集群计算 · 计算机科学 2024-06-03 Lujie Tang , Minxian Xu , Chengzhong Xu , Kejiang Ye

This paper studies an intelligent reflecting surface (IRS)-aided multi-antenna simultaneous wireless information and power transfer (SWIPT) system where an $M$-antenna access point (AP) serves $K$ single-antenna information users (IUs) and…

信息论 · 计算机科学 2024-01-11 Ying Gao , Qingqing Wu , Wen Chen , Yang Liu , Ming Li , Daniel Benevides da Costa