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相关论文: Joint Optimization of User Association, Data Deliv…

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This work proposes novel approaches that jointly design user equipment (UE) association and power control (PC) in a downlink user-centric cell-free massive multiple-input multiple-output (CFmMIMO) network, where each UE is only served by a…

This paper studies a simultaneous wireless information and power transfer (SWIPT)-aware fog computing network, where a multiple antenna fog function integrated hybrid access point (F-HAP) transfers information and energy to multiple…

计算机与社会 · 计算机科学 2019-01-28 Jingxian Liu , Ke Xiong , Pingyi Fan , Zhangdui Zhong , Khaled Ben Letaief

Popular content caching is expected to play a major role in efficiently reducing backhaul congestion and achieving user satisfaction in next generation mobile radio systems. Consider the downlink of a cache-enabled cloud radio access…

信息论 · 计算机科学 2016-09-07 Oussama Dhifallah , Hayssam Dahrouj , Tareq Y. Al-Naffouri , Mohamed-Slim Alouini

We provide the solution for optimizing the power and resource allocation over block-fading relay-assisted broadcast channels in order to maximize the long term average achievable rates region of the users. The problem formulation assumes…

信息论 · 计算机科学 2012-05-02 Mohammad Shaqfeh , Hussein Alnuweiri

Growing attentions have been paid to renewable energy or hybrid energy powered heterogeneous networks (HetNets). In this paper, focusing on backhaul-aware joint user association and resource allocation for this type of HetNets, we formulate…

网络与互联网体系结构 · 计算机科学 2016-03-09 Qiaoni Han , Bo Yang , Guowang Miao , Cailian Chen , Xiaocheng Wang , Xinping Guan

Device-to-Device (D2D) communication can support the operation of cellular systems by reducing the traffic in the network infrastructure. In this paper, the benefits of D2D communication are investigated in the context of a Fog-Radio Access…

信息论 · 计算机科学 2018-04-05 Roy Karasik , Osvaldo Simeone , Shlomo Shamai

This paper first considers a multicell network deployment where the base station (BS) of each cell communicates with its cell-edge user with the assistance of an amplify-and-forward (AF) relay node. Equipped with a power splitter and a…

信息论 · 计算机科学 2016-11-17 Ali A. Nasir , Duy T. Ngo , Xiangyun Zhou , Rodney A. Kennedy , Salman Durrani

We propose a novel framework for optimizing antenna parameter settings in a heterogeneous cellular network. We formulate an optimization problem for both coverage and capacity - in both the downlink (DL) and uplink (UL) - which configures…

信号处理 · 电气工程与系统科学 2022-10-31 Ezgi Tekgul , Thomas Novlan , Salam Akoum , Jeffrey G. Andrews

This paper considers the unavailability of complete channel state information (CSI) in ultra-dense cloud radio access networks (C-RANs). The user-centric cluster is adopted to reduce the computational complexity, while the incomplete CSI is…

信息论 · 计算机科学 2017-10-24 Cunhua Pan , Hani Mehrpouyan , Yuanwei Liu , Maged Elkashlan , Arumugam Nallanathan

There is a widely held belief that future Radio Access Network (RAN) architectures will be characterized by increased levels of virtualization, whereby base station functionalities, traditionally residing at a single location, will be…

网络与互联网体系结构 · 计算机科学 2022-05-18 Sandra Lagén , Xavier Gelabert , Andreas Hansson , Manuel Requena , Lorenza Giupponi

In this paper, by considering multiple slices, a downlink transmission of a sparse code multiple access (SCMA) based cloud-radio access network (C-RAN) is investigated. In this regard, by supposing multiple input and single output (MISO)…

网络与互联网体系结构 · 计算机科学 2019-02-26 Mohammad. Moltafet , Saeedeh. Parsaeefard , Mohammad R. Javan , Nader. Mokari

A cloud radio access network (C-RAN) is a promising cellular network, wherein densely deployed multi-antenna remote-radio-heads (RRHs) jointly serve many users using the same time-frequency resource. By extremely high signaling overheads…

信号处理 · 电气工程与系统科学 2021-07-30 Deokhwan Han , Jeonghun Park , Seok-Hwan Park , Namyoon Lee

The possibility of jointly optimizing location sensing and communication resources, facilitated by the existence of communication and sensing spectrum sharing, is what promotes the system performance to a higher level. However, the rapid…

系统与控制 · 电气工程与系统科学 2024-05-29 Haijun Zhang , Bowen Chen , Xiangnan Liu , Chao Ren

This paper considers coordinated linear precoding for rate optimization in downlink multicell, multiuser orthogonal frequency- division multiple access networks. We focus on two different design criteria. In the first, the weighted sum-rate…

信息论 · 计算机科学 2015-06-17 Mirza Golam Kibria , Hidekazu Murata

Full-duplex (FD) has emerged as a disruptive communications paradigm for enhancing the achievable spectral efficiency (SE), thanks to the recent major breakthroughs in self-interference (SI) mitigation. The FD versus half-duplex (HD) SE…

信息论 · 计算机科学 2017-11-07 Arman Shojaeifard , Kai-Kit Wong , Wei Yu , Gan Zheng , Jie Tang

In this paper, we propose a novel resource management scheme that jointly allocates the transmit power and computational resources in a centralized radio access network architecture. The network comprises a set of computing nodes to which…

网络与互联网体系结构 · 计算机科学 2021-06-24 Mohsen Tajallifar , Sina Ebrahimi , Mohammad Reza Javan , Nader Mokari , Luca Chiaraviglio

Low latency communication is one of the fundamental requirements for 5G wireless networks and beyond. In this paper, a novel approach for joint caching, user scheduling and resource allocation is proposed for minimizing the queuing latency…

网络与互联网体系结构 · 计算机科学 2023-09-22 Tamoor-ul-Hassan Syed , Samarakoon Sumudu , Bennis Mehdi , Matti Latva-aho

In hybrid digital-analog (HDA) systems, resource allocation has been utilized to achieve desired distortion performance. However, existing studies on this issue assume error-free digital transmission, which is not valid for fading channels.…

信号处理 · 电气工程与系统科学 2018-12-19 Xiaoda Jiang , Hancheng Lu

Spectrum pooling allows multiple operators, or tenants, to share the same frequency bands. This work studies the optimization of spectrum pooling for the downlink of a multi-tenant Cloud Radio Access Network (C-RAN) system in the presence…

信息论 · 计算机科学 2017-10-18 Seok-Hwan Park , Osvaldo Simeone , Shlomo Shamai

Control data separation architecture (CDSA) is a more efficient architecture to overcome the overhead issue than the conventional cellular networks, especially for the huge bursty traffic like Internet of Things, and over-the-top (OTT)…

信息论 · 计算机科学 2015-11-24 Qiang Liu , Gang Wu , Yingchu Guo , Yusong Zhang