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相关论文: LoFi User Scheduling for Multiuser MIMO Wireless S…

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Downlink scheduling schemes are well-known and widely investigated under the assumption that the channel state is perfectly known to the scheduler. In the multiuser MIMO (broadcast) case, downlink scheduling in the presence of non-perfect…

信息论 · 计算机科学 2009-10-11 Hooman Shirani-Mehr , Giuseppe Caire , Michael J. Neely

This paper takes a new look at Cell-free Massive MIMO (multiple-input multiple-output) through the lens of the dynamic cooperation cluster framework from the Network MIMO literature. The purpose is to identify and address scalability issues…

信息论 · 计算机科学 2019-06-27 Emil Björnson , Luca Sanguinetti

The conventional wireless schedulers of Unicast and Multicast either fulfill multiuser diversity or broadcast gain, but not both together. To achieve optimal system throughput we need a scheduler that exploits both the multiuser diversity…

网络与互联网体系结构 · 计算机科学 2013-03-04 Sanket Kamthe , Smriti Gopinath

The development of self-interference (SI) cancelation technology makes full-duplex (FD) communication possible. Considering the quality of service (QoS) of flows in small cells densely deployed scenario with limited time slot (TS)…

网络与互联网体系结构 · 计算机科学 2019-01-01 Weiguang Ding , Yong Niu , Hao Wu , Yong Li , Zhangdui Zhong

In this paper, an efficient transmit beam design and user scheduling method is proposed for multi-user (MU) multiple-input single-output (MISO) non-orthogonal multiple access (NOMA) downlink, based on Pareto-optimality. The proposed beam…

信息论 · 计算机科学 2018-05-09 Junyeong Seo , Youngchul Sung

In this paper, we consider resource allocation optimization problem in cellular networks for different types of users running multiple applications simultaneously. In our proposed model, each user application is assigned a utility function…

网络与互联网体系结构 · 计算机科学 2016-11-17 Haya Shajaiah , Ahmed Abdelhadi , Charles Clancy

One of the most promising approaches to overcome the drastic channel variations of millimeter wave (mmW) communications is to deploy dual-mode base stations that integrate both mmW and microwave (\muW) frequencies. Reaping the benefits of a…

信息论 · 计算机科学 2016-11-17 Omid Semiari , Walid Saad , Mehdi Bennis

High-speed switch packet scheduling demands both line-rate performance and programmability. Existing programmable hardware scheduling models, such as PIFO and PIEO, can express a broad range of scheduling algorithms; however, their…

网络与互联网体系结构 · 计算机科学 2026-04-14 Zekun Wang , Binghao Yue , Yichen Deng , Weitao Pan , Jiangyi Shi , Yue Hao

In this paper, we consider a joint unicast and multi-group multicast cell-free distributed massive multiple-input multiple-output (MIMO) system, while accounting for co-pilot assignment strategy based channel estimation, pilot contamination…

信息论 · 计算机科学 2022-03-10 Jiamin Li , Qijun Pan , Zhenggang Wu , Pengcheng Zhu , Dongming Wang , Xiaohu You

Non-ideal oscillators both at the transmitter and the receiver introduces time varying phase noise which interacts with the transmitted data in a non-linear fashion. Phase noise becomes a detrimental problem and needs to be estimated and…

信息论 · 计算机科学 2012-10-24 Arif Onder Isikman , Hani Mehrpouyan , Alexandre Graell i Amat

Envisioned for fifth generation (5G) systems, millimeter-wave (mmWave) communications are under very active research worldwide. Although pencil beams with accurate beamtracking may boost the throughput of mmWave systems, this poses great…

网络与互联网体系结构 · 计算机科学 2019-08-29 Rafail Ismayilov , Megumi Kaneko , Takefumi Hiraguri , Kentaro Nishimori

The multi-user Holographic Multiple-Input and Multiple-Output Surface (MU-HMIMOS) paradigm, which is capable of realizing large continuous apertures with minimal power consumption, has been recently considered as an energyefficient solution…

In this paper, energy-efficient scheduling for grouped machine-type devices deployed in cellular networks is investigated. We introduce a scheduling-based cooperation incentive scheme which enables machine nodes to organize themselves…

信息论 · 计算机科学 2016-03-18 Amin Azari

Quality of service (QoS) for a network is characterized in terms of various parameters specifying packet delay and loss tolerance requirements for the application. The unpredictable nature of the wireless channel demands for application of…

信息论 · 计算机科学 2016-11-17 M. Majid Butt , Eduard A. Jorswieck , Bjorn Ottersten

In this paper, we present a fixed mmWave Multi-User Multiple-Input Multiple-Output (MIMO) system for fixed wireless access with a unique architecture. A digital MIMO system is combined with an analog multi-beam antenna array which uses a…

信号处理 · 电气工程与系统科学 2020-03-10 Achiel Colpaert , Evgenii Vinogradov , Sofie Pollin

The reconfigurable intelligent surface (RIS) technology is a promising enabler for millimeter wave (mmWave) wireless communications, as it can potentially provide spectral efficiency comparable to the conventional massive multiple-input…

信息论 · 计算机科学 2022-02-22 Xuemeng Zhou , Zhiyu Yang , Tianyi Zhang , Yi Jiang

Optical wireless communication (OWC) has recently received massive interest as a new technology that can support the enormous data traffic increasing on daily basis. Laser-based OWC networks can provide terabits per second (Tbps) aggregate…

This paper proposes the utilization of cell-free massive MIMO (CF-M-MIMO) processing on top of the regular micro/macrocellular deployments typically found in current 5G networks. Towards this end, it contemplates the connection of all base…

网络与互联网体系结构 · 计算机科学 2023-06-13 F. Riera-Palou , G. Femenias , D. López-Pérez , N. Piovesan , A. De Domenico

Standard cell-free (CF) multiple-input-multiple-output (mMIMO) systems is a promising technology to cover the demands for higher data rates in fifth-generation (5G) networks and beyond. These systems assume a large number of distributed…

In this paper, we explore the physical-layer security of a multi-user wireless system that consists of multiple users intending to transmit to a base station (BS), while multiple eavesdroppers attempt to tap the user transmissions. We…

信息论 · 计算机科学 2016-11-17 Yulong Zou , Jia Zhu , Gongpu Wang , Hua Shao