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相关论文: Joint Uplink-Downlink Capacity and Coverage Optimi…

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In future cell-free (or cell-less) wireless networks, a large number of devices in a geographical area will be served simultaneously in non-orthogonal multiple access scenarios by a large number of distributed access points (APs), which…

信号处理 · 电气工程与系统科学 2020-02-25 Yasser Al-Eryani , Mohamed Akrout , Ekram Hossain

In this paper, we develop a resource allocation algorithm for uplink of in-band full-duplex (FD) cellular networks. The FD cellular network is assumed to be based on orthogonal frequency division multiple access (OFDMA) and consists of a…

信息论 · 计算机科学 2016-11-09 Jafar Banar , S. Mohammad Razavizadeh

Over the last decade, the growing amount of UL and DL mobile data traffic has been characterized by substantial asymmetry and time variations. Dynamic time-division duplex (TDD) has the capability to accommodate to the traffic asymmetry by…

网络与互联网体系结构 · 计算机科学 2015-04-14 Hongguang Sun , Matthias Wildemeersch , Min Sheng , Tony Q. S. Quek

This survey paper provides a detailed explanation of Long Term Evolution cellular network packet scheduling algorithms in both downlink and uplink directions. It starts by explaining the difference between Orthogonal Frequency Division…

网络与互联网体系结构 · 计算机科学 2022-04-26 Najem N Sirhan , Manel Martinez-Ramon

This paper is concerned with optimization of distributed broadband wireless communication (BWC) systems. BWC systems contain a distributed antenna system (DAS) connected to a base station with optical fiber. Distributed BWC systems have…

网络与互联网体系结构 · 计算机科学 2017-11-01 Yao Yao , Mustafa Mehmet Ali , Shahin Vakilinia

Heterogeneous network is a novel network architecture proposed in Long-Term-Evolution~(LTE), which highly increases the capacity and coverage compared with the conventional networks. However, in order to provide the best services,…

信号处理 · 电气工程与系统科学 2020-03-26 Feng Wang , Wen Chen , Hongying Tang , Qingqing Wu

The widespread application of wireless services and dense devices access have triggered huge energy consumption. Because of the environmental and financial considerations, energy-efficient design in wireless networks becomes an inevitable…

信息论 · 计算机科学 2017-10-10 Haijun Zhang , Hao Liu , Julian Cheng , Victor C. M. Leung

In a heterogeneous network (HetNet) with a large number of low power base stations (BSs), proper user-BS association and power control is crucial to achieving desirable system performance. In this paper, we systematically study the joint BS…

信息论 · 计算机科学 2016-11-18 Ruoyu Sun , Mingyi Hong , Zhi-Quan Luo

What does millimeter-wave (mmW) seek assistance for from micro-wave ({\mu}W) in a mmW overlaid 5G cellular network? This paper raises the question of whether to complement downlink (DL) or uplink (UL) transmissions, and concludes that…

网络与互联网体系结构 · 计算机科学 2015-07-17 Jihong Park , Seong-Lyun Kim , Jens Zander

Large-scale distributed antenna systems with many access points (APs) that serve the users by coherent joint transmission is being considered for 5G-and-beyond networks. The technology is called Cell-free Massive MIMO and can provide a more…

信息论 · 计算机科学 2020-06-30 Trinh Van Chien , Emil Björnson , Erik G. Larsson

This paper proposes and analyzes novel deep learning methods for downlink (DL) single-user multiple-input multiple-output (SU-MIMO) and multi-user MIMO (MU-MIMO) systems operating in time division duplex (TDD) mode. A motivating application…

信息论 · 计算机科学 2024-02-05 Juseong Park , Foad Sohrabi , Amitava Ghosh , Jeffrey G. Andrews

Mobile cloud computing enables the offloading of computationally heavy applications, such as for gaming, object recognition or video processing, from mobile users (MUs) to cloudlet or cloud servers, which are connected to wireless access…

网络与互联网体系结构 · 计算机科学 2017-02-07 Ali Al-Shuwaili , Osvaldo Simeone , Alireza Bagheri , Gesualdo Scutari

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

Reliable low-latency communication is a key requirement for mission-critical and mobile autonomous systems, including teleoperation, autonomous navigation, and real-time uplink-dominant telemetry applications. While commercial 5G networks…

The growing interest in new applications involving co-located heterogeneous requirements, such as the Industrial Internet of Things (IIoT) paradigm, poses unprecedented challenges to the uplink wireless transmissions. Dedicated scheduling…

网络与互联网体系结构 · 计算机科学 2023-08-23 Giampaolo Cuozzo , Jonas Pettersson , Massimo Condoluci

Low-altitude wireless networks (LAWNs) are expected to play a central role in future 6G infrastructures, yet uplink transmissions of uncrewed aerial vehicles (UAVs) remain vulnerable to eavesdropping due to their limited transmit power,…

信息论 · 计算机科学 2026-05-07 Wei Shi , Wei Xu , Yongming Huang , Jiacheng Yao , Wenhao Hu , Dongming Wang

In this paper, the downlink packet scheduling problem for cellular networks is modeled, which jointly optimizes throughput, fairness and packet drop rate. Two genie-aided heuristic search methods are employed to explore the solution space.…

信息论 · 计算机科学 2019-11-14 Chen Xu , Jian Wang , Tianhang Yu , Chuili Kong , Yourui Huangfu , Rong Li , Yiqun Ge , Jun Wang

One of the main challenges in IoT is providing communication support to an increasing number of connected devices. In recent years, narrowband radio technology has emerged to address this situation: Narrowband Internet of Things (NB-IoT),…

网络与互联网体系结构 · 计算机科学 2019-12-25 Emmanuel Luján , Juan A. Zuloaga Mellino , Alejandro D. Otero , Leonardo Rey Vega , Cecilia G. Galarza , Esteban E. Mocskos

The uplink of interference-limited cellular networks with base stations that have large numbers of antennas and use linear Minimum-Mean-Square Error (MMSE) processing with power control is analyzed. Simple approximations, which are exact in…

信息论 · 计算机科学 2015-06-22 Siddhartan Govindasamy

We study the problem of joint load balancing and interference mitigation in heterogeneous networks (HetNets) in which massive multiple-input multiple-output (MIMO) macro cell base station (BS) equipped with a large number of antennas,…

网络与互联网体系结构 · 计算机科学 2017-07-11 Trung Kien Vu , Mehdi Bennis , Sumudu Samarakoon , Mérouane Debbah , Matti Latva-aho