中文
相关论文

相关论文: On Demand Cell Sectoring Based Fractional Frequenc…

200 篇论文

The integration of renewable energy sources (RES) has facilitated efficient and sustainable resource allocation for wireless communication systems. In this paper, a novel framework is introduced to develop coordinated multicell beamforming…

信号处理 · 电气工程与系统科学 2017-10-18 Shuyan Hu , Chongbin Xu , Xin Wang , Yongwei Huang , Shunqing Zhang

Distributed or Cell-free (CF) massive Multiple-Input, Multiple-Output (mMIMO), has been recently proposed as an answer to the limitations of the current network-centric systems in providing high-rate ubiquitous transmission. The capability…

信息论 · 计算机科学 2022-12-20 Salman Mohebi , Andrea Zanella , Michele Zorzi

Reconfigurable intelligent surface (RIS) is a promising technology to enhance the spectral and energy efficiency in a wireless communication system. The design of the phase shifts of an RIS in every channel coherence interval demands a huge…

信号处理 · 电气工程与系统科学 2024-05-15 Sadaf Syed , Dominik Semmler , Donia Ben Amor , Michael Joham , Wolfgang Utschick

Although in cellular networks full-duplex and dynamic time-division duplexing promise increased spectrum efficiency, their potential is so far challenged by increased interference. While previous studies have shown that self-interference…

信息论 · 计算机科学 2020-10-23 José Mairton B. da Silva , Gustav Wikström , Ratheesh K. Mungara , Carlo Fischione

The exploitation of already deployed wireless local area networks (WLAN)s (e.g., WiFi access points (AP)s) has attracted considerable attention, as an efficient and practical method to improve the performance of beyond 4G wireless networks.…

网络与互联网体系结构 · 计算机科学 2018-06-12 Petros S. Bithas , Athanasios S. Lioumpas

In this paper, a distributed and autonomous technique for resource and power allocation in orthogonal frequency division multiple access (OFDMA) femto-cellular networks is presented. Here, resource blocks (RBs) and their corresponding…

信息论 · 计算机科学 2013-06-21 Harald Burchardt , Sinan Sinanovic , Zubin Bharucha , Harald Haas

Densification of network base stations is indispensable to achieve the stringent Quality of Service (QoS) requirements of future mobile networks. However, with a dense deployment of transmitters, interference management becomes an arduous…

Vehicle automation is driving the integration of advanced sensors and new applications that demand high-quality information, such as collaborative sensing for enhanced situational awareness. In this work, we considered a vehicular sensing…

网络与互联网体系结构 · 计算机科学 2024-04-01 Pablo Fondo-Ferreiro , David Candal-Ventureira , Francisco Javier González-Castaño , Felipe Gil-Castiñeira

We optimize the throughput of a single cell multiuser orthogonal frequency division multiplexing system with proportional data rate fairness among the users. The concept is to support mobile users with different levels of service. The…

信息论 · 计算机科学 2016-04-08 Mirza Golam Kibria , Shan Lin

The uplink of 5G networks allows selecting the transmit waveform between cyclic prefix orthogonal frequency division multiplexing (CP-OFDM) and discrete Fourier transform spread OFDM (DFT-S-OFDM), which is appealing for cell-edge users…

In a two tier cellular network -- comprised of a central macrocell underlaid with shorter range femtocell hotspots -- cross-tier interference limits overall capacity with universal frequency reuse. To quantify near-far effects with…

网络与互联网体系结构 · 计算机科学 2016-11-18 Vikram Chandrasekhar , Jeffrey G. Andrews , Tarik Muharemovic , Zukang Shen , Alan Gatherer

This work proposes a mixed learning-based and optimization-based approach to the weighted-sum-rates beamforming problem in a multiple-input multiple-output (MIMO) wireless network. The conventional methods, i.e., the fractional programming…

信息论 · 计算机科学 2026-01-07 Jianhang Zhu , Tsung-Hui Chang , Liyao Xiang , Kaiming Shen

We propose a coordination scheme to minimize the interference between users in a cellular network with full-duplex base stations and half-duplex user devices. Our scheme exploits signal attenuation from obstacles between the users by (i)…

信息论 · 计算机科学 2016-03-07 Melissa Duarte , Afef Feki , Stefan Valentin

Small cell enchantment is emerging as the key technique for wireless network evolution. One challenging problem for small cell enhancement is how to achieve high data rate with as-low-as-possible control and computation overheads. As a…

网络与互联网体系结构 · 计算机科学 2014-02-12 Shuqin Li , Liyu Cai

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

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

In this paper, we present an efficient resource allocation with user discrimination framework for 5G Wireless Systems to allocate multiple carriers resources among users with elastic and inelastic traffic. Each application running on the…

网络与互联网体系结构 · 计算机科学 2015-08-24 Haya Shajaiah , Ahmed Abdelhadi , Charles Clancy

The current and envisaged increase of cellular traffic poses new challenges to Mobile Network Operators (MNO), who must densify their Radio Access Networks (RAN) while maintaining low Capital Expenditure and Operational Expenditure to…

网络与互联网体系结构 · 计算机科学 2017-06-08 Georgios Kollias , Ferran Adelantado , Christos Verikoukis

The integration of mobile edge computing (MEC) and wireless power transfer (WPT) technologies has recently emerged as an effective solution for extending battery life and increasing the computing power of wireless devices. In this paper, we…

网络与互联网体系结构 · 计算机科学 2020-02-25 Yuegui Chen , Suzhi Bi , Xian Li , Xiaohui Lin , Hui Wang

Next-generation wireless networks are conceived to provide reliable and high-data-rate communication services for diverse scenarios, such as vehicle-to-vehicle, unmanned aerial vehicles, and satellite networks. The severe Doppler spreads in…