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相关论文: Optimal Power Control and Scheduling under Hard De…

200 篇论文

Next generation wireless networks face the challenge of increasing energy consumption while satisfying the unprecedented increase in the data rate demand. To address this problem, we propose a utility-based energy-efficient resource…

网络与互联网体系结构 · 计算机科学 2014-10-23 Kemal Davaslioglu , Cemil Can Coskun , Ender Ayanoglu

This paper considers the jointly optimal pilot and data power allocation in single-cell uplink massive multiple-input-multiple-output (MIMO) systems. Using the spectral efficiency (SE) as performance metric and setting a total energy budget…

信息论 · 计算机科学 2026-04-28 Hei Victor Cheng , Emil Björnson , Erik G. Larsson

This paper addresses the cell association problem in the downlink of a multi-tier heterogeneous network (HetNet), where base stations (BSs) have finite number of resource blocks (RBs) available to distribute among their associated users.…

网络与互联网体系结构 · 计算机科学 2014-05-13 Hamidreza Boostanimehr , Vijay K. Bhargava

In this paper, we propose a resource allocation algorithm for the downlink of sectorized two-dimensional (2-D) OFDMA cellular networks assuming statistical Channel State Information (CSI) and fractional frequency reuse. The proposed…

信息论 · 计算机科学 2016-11-17 Nassar Ksairi , Pascal Bianchi , Philippe Ciblat

It has been shown that using appropriate channel coding schemes in wireless environments, transmission energy can be significantly reduced by controlling the packet transmission rate. This paper seeks optimal solutions for downlink…

最优化与控制 · 数学 2016-11-17 Lei Miao , Jianfeng Mao , Christos G. Cassandras

Compute-and-forward (CF) is a relaying strategy which allows the relay to decode a linear combination of the transmitted messages. This work studies the optimal power allocation problem for the CF scheme in fast fading channels for…

信息论 · 计算机科学 2024-11-18 Lanwei Zhang , Jamie Evans , Jingge Zhu

In this paper, the problem of uplink (UL) and downlink (DL) resource optimization, mode selection and power allocation is studied for wireless cellular networks under the assumption of in-band full duplex (IBFD) base stations,…

信息论 · 计算机科学 2017-06-20 Mohammed S. Elbamby , Mehdi Bennis , Walid Saad , Mérouane Debbah , Matti Latva-aho

Heterogeneous network (HetNet) is a promising concept for increasing capacity and alleviating spectrum scarcity. In HetNets, however, channel assignment and transmit power control affect the distribution of users among base stations. We…

信息论 · 计算机科学 2021-10-22 Shahla Mohsenifard , Ahmad R. Sharafat , Halim Yanikomeroglu

We focus on the downlink of a cellular system, which corresponds to the bulk of the data transfer in such wireless systems. We address the problem of opportunistic multiuser scheduling under imperfect channel state information, by…

信息论 · 计算机科学 2016-11-15 Sugumar Murugesan , Philip Schniter , Ness B. Shroff

We investigate power allocation for users in a spectrum underlay cognitive network. Our objective is to find a power control scheme that allocates transmit power for both primary and secondary users so that the overall network throughput is…

信息论 · 计算机科学 2010-02-09 John Tadrous , Ahmed Sultan , Mohammed Nafie , Amr El-Keyi

A robust power scheduling algorithm is proposed to schedule power flow between the main electricity grid and a microgird with solar energy generation and battery energy storage subject to uncertainty in solar energy production. To avoid…

系统与控制 · 计算机科学 2019-02-22 Amir Valibeygi , Abdulelah H. Habib , Raymond A. de Callafon

The problem of maximizing weighted sum rates in the downlink of a multicell environment is of considerable interest. Unfortunately, this problem is known to be NP-hard. For the case of multi-antenna base stations and single antenna mobile…

信息论 · 计算机科学 2012-11-12 Le-Nam Tran , Muhammad Fainan Hanif , Antti Tölli , Markku Juntti

In this paper, we study resource allocation for downlink orthogonal frequency division multiple access (OFDMA) systems with the objective to enable ultra-reliable low latency communication (URLLC). To meet the stringent delay requirements…

信息论 · 计算机科学 2019-01-18 Walid R. Ghanem , Vahid Jamali , Yan Sun , Robert Schober

The achievable gains via power-optimal scheduling are investigated. Under the QoS constraint of a guaranteed link rate, the overall power consumed by a cellular BS is minimized. Available alternatives for the minimization of transmit power…

信息论 · 计算机科学 2013-07-12 Hauke Holtkamp , Gunther Auer

This work proposes a joint power control and access points (APs) scheduling algorithm for uplink cell-free massive multiple-input multiple-output (CF-mMIMO) networks without channel hardening assumption. Extensive studies have done on the…

信号处理 · 电气工程与系统科学 2024-10-28 Hyeonsik Yeom , Junguk Park , Jinho Choi , Jeongseok Ha

In this paper, we consider the network power minimization problem in a downlink cloud radio access network (C-RAN), taking into account the power consumed at the baseband unit (BBU) for computation and the power consumed at the remote radio…

信息论 · 计算机科学 2019-01-08 Wenchao Xia , Jun Zhang , Tony Q. S. Quek , Shi Jin , Hongbo Zhu

A deep learning (DL)-based power control algorithm that solves the max-min user fairness problem in a cell-free massive multiple-input multiple-output (MIMO) system is proposed. Max-min rate optimization problem in a cell-free massive MIMO…

信号处理 · 电气工程与系统科学 2021-02-23 Nuwanthika Rajapaksha , K. B. Shashika Manosha , Nandana Rajatheva , Matti Latva-aho

In this paper, we investigate downlink power control in massive multiple-input multiple-output (MIMO) networks with distributed antenna arrays. The base station (BS) in each cell consists of multiple antenna arrays, which are deployed in…

信息论 · 计算机科学 2020-01-14 Noman Akbar , Emil Björnson , Erik G. Larsson , Nan Yang

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

Optimizing network utility in device-to-device networks is typically formulated as a non-convex optimization problem. This paper addresses the scenario where the optimization variables are from a bounded but continuous set, allowing each…

信息论 · 计算机科学 2024-10-22 Jan Christian Hauffen , Peter Jung , Giuseppe Caire