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Dynamic Time Division Duplexing (D-TDD) allows cells to accommodate asymmetric traffic variations with high resource assignment flexibility. However, this feature is limited by two additional types of interference between cells in opposite…

网络与互联网体系结构 · 计算机科学 2020-01-31 Jalal Rachad , Ridha Nasri , Laurent Decreusefond

Future dense small-cell networks are one key 5G candidates to offer outdoor high access data rates, especially in millimeter wave (mmWave) frequency bands. At those frequencies, the free space propagation loss and shadowing (from buildings,…

网络与互联网体系结构 · 计算机科学 2016-11-23 Yoann Corre , Romain Charbonnier , Mohammed Zahid Aslam , Yves Lostanlen

Meeting the continued growth in data traffic volume, Dynamic Time Division Duplex (D-TDD) has been introduced as a solution to deal with the uplink (UL) and downlink (DL) traffic asymmetry, mainly observed for dense heterogeneous network…

网络与互联网体系结构 · 计算机科学 2020-03-30 Jalal Rachad , Ridha Nasri , Laurent Decreusefond

In this paper, we investigate the propagation coupling loss (captures all sources of attenuation between serving cell and mobile station (MS)) and geometry metric (GM) (downlink average signal-to-interference plus noise ratio) performance…

信息论 · 计算机科学 2017-08-15 Nadisanka Rupasinghe , Yuichi Kakishima , Ismail Guvenc

Aiming for the sixth generation (6G) wireless communications, distributed massive multiple-input multiple-output (MIMO) systems hold significant potential for spatial multiplexing. In order to evaluate the ability of a distributed massive…

信号处理 · 电气工程与系统科学 2024-11-28 Yingjie Xu , Michiel Sandra , Xuesong Cai , Sara Willhammar , Fredrik Tufvesson

Providing guaranteed quality of service for cell-edge users remains a longstanding challenge in wireless networks. While coordinated interference management was proposed decades ago, its potential has been limited by computational…

信号处理 · 电气工程与系统科学 2026-03-31 Tenghao Cai , Lei Li , Shutao Zhang , Tsung-Hui Chang

Characterizing self-interference is essential to the design and evaluation of in-band full-duplex communication systems. Until now, little has been understood about this coupling in full-duplex systems operating at millimeter wave (mmWave)…

信号处理 · 电气工程与系统科学 2023-03-07 Ian P. Roberts , Aditya Chopra , Thomas Novlan , Sriram Vishwanath , Jeffrey G. Andrews

Directional transmission patterns (a.k.a. narrow beams) are the key to wireless communications in millimeter wave (mmWave) frequency bands which suffer from high path loss and severe shadowing. In addition, the propagation channel in mmWave…

信息论 · 计算机科学 2020-05-29 Abbas Khalili , Shahram Shahsavari , Mohammad A. Amir Khojastepour , Elza Erkip

Millimeter-wave (mmWave) cellular systems are power-limited and susceptible to blockages. As a result, mmWave connectivity will be likely to be intermittent. One promising approach to increasing mmWave connectivity and range is to use…

信息论 · 计算机科学 2015-10-09 Ning Wei , Xingqin Lin , Zhongpei Zhang

We address the user association problem in multi-tier in-band full-duplex (FD) networks. Specifically, we consider the case of decoupled user association (DUA) in which users (UEs) are not necessarily served by the same base station (BS)…

信息论 · 计算机科学 2017-06-14 Ahmed Hamdi Sakr , Ekram Hossain

Cell-free massive MIMO is a variant of multiuser MIMO and massive MIMO, in which the total number of antennas $LM$ is distributed among the $L$ remote radio units (RUs) in the system, enabling macrodiversity and joint processing. Due to…

信息论 · 计算机科学 2022-06-09 Fabian Göttsch , Noboru Osawa , Takeo Ohseki , Kosuke Yamazaki , Giuseppe Caire

With the explosive growth of mobile data demand, the fifth generation (5G) mobile network would exploit the enormous amount of spectrum in the millimeter wave (mmWave) bands to greatly increase communication capacity. There are fundamental…

网络与互联网体系结构 · 计算机科学 2015-02-26 Yong Niu , Yong Li , Depeng Jin , Li Su , Athanasios V. Vasilakos

In a cell-free (CF) massive MIMO architecture a very large number of distributed access points (APs) simultaneously and jointly serves a much smaller number of mobile stations (MSs); a variant of the cell-free technique is the user-centric…

信息论 · 计算机科学 2017-11-07 Mario Alonzo , Stefano Buzzi

The forthcoming 5G cellular network is expected to overlay millimeter-wave (mmW) transmissions with the incumbent micro-wave ({\mu}W) architecture. The overall mm-{\mu}W resource management should therefore harmonize with each other. This…

信息论 · 计算机科学 2016-11-15 Jihong Park , Seong-Lyun Kim , Jens Zander

The millimeter wave (mmWave) frequencies offer the potential for enormous capacity wireless links. However, designing robust communication systems at these frequencies requires that we understand the channel dynamics over both time and…

信号处理 · 电气工程与系统科学 2017-12-18 Christopher Slezak , Aditya Dhananjay , Sundeep Rangan

Small cells are a cost-effective way to reliably expand network coverage and provide significantly increased capacity for end users. The ultra-high bandwidth available at millimeter (mmWave) and Terahertz (THz) frequencies can effectively…

网络与互联网体系结构 · 计算机科学 2020-05-12 Angela Sara Cacciapuoti , Ramanathan Subramanian , Kaushik Roy Chowdhury , Marcello Caleffi

Local multipoint distribution system (LMDS) uses cellular-like network architecture of microwave radios placed at the client's location and at the company's base station to deliver fixed services, mainly telephony, video and Internet…

网络与互联网体系结构 · 计算机科学 2010-01-26 S. S. Riaz Ahamed

The use of millimeter wave (mmWave) frequencies for communication will be one of the innovations of the next generation of cellular mobile networks (5G). It will provide unprecedented data rates, but is highly susceptible to rapid channel…

网络与互联网体系结构 · 计算机科学 2018-09-06 Marco Giordani , Michele Polese , Arnab Roy , Douglas Castor , Michele Zorzi

Recent studies indicate the feasibility of full-duplex (FD) bidirectional wireless communications. Due to its potential to increase the capacity, analyzing the performance of a cellular network that contains full-duplex devices is crucial.…

网络与互联网体系结构 · 计算机科学 2018-02-12 Peyman Tehrani , Farshad Lahouti , Michele Zorzi

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