中文
相关论文

相关论文: Adaptive Downlink CoMP in Heterogeneous Cellular N…

200 篇论文

This paper investigates integrated localization and communication in a multi-cell system and proposes a coordinated beamforming algorithm to enhance target localization accuracy while preserving communication performance. Within this…

信号处理 · 电气工程与系统科学 2025-02-26 Meidong Xia , Wei Xu , Jindan Xu , Zhenyao He , Zhaohui Yang , Derrick Wing Kwan Ng

Driven by the recent advancement in unmanned aerial vehicle (UAV) technology, this paper proposes a new wireless network architecture of \emph{coordinate multipoint (CoMP) in the sky} to harness both the benefits of interference mitigation…

信息论 · 计算机科学 2018-03-01 Liang Liu , Shuowen Zhang , Rui Zhang

Small cell networks are regarded as a promising candidate to meet the exponential growth of mobile data traffic in cellular networks. With a dense deployment of access points, spatial reuse will be improved, and uniform coverage can be…

信息论 · 计算机科学 2014-05-20 Chang Li , Jun Zhang , Martin Haenggi , Khaled B. Letaief

Consider media streaming in MIMO interference networks whereby multiple base stations (BS) simultaneously deliver media to their associated users using fixed data rates. The performance is fundamentally limited by the cross-link…

信息论 · 计算机科学 2013-11-26 An Liu , Vincent Lau

Physical wireless transceivers suffer from a variety of impairments that distort the transmitted and received signals. Their degrading impact is particularly evident in modern systems with multiuser transmission, high transmit power, and…

信息论 · 计算机科学 2012-09-05 Emil Björnson , Per Zetterberg , Mats Bengtsson

We study multiple-input multiple-output (MIMO) based downlink heterogeneous cellular network (HetNets) with joint transmit-receive diversity using orthogonal space-time block codes at the base stations (BSs) and maximal-ratio combining…

信息论 · 计算机科学 2015-07-15 Ralph Tanbourgi , Harpreet S. Dhillon , Friedrich K. Jondral

Heterogeneous cellular networks (HCNs) constitute a necessary step in the evolution of cellular networks. In this paper, we apply the signal-to-interference ratio (SIR) meta distribution framework for a refined SIR performance analysis of…

信息论 · 计算机科学 2018-03-02 Yuanjie Wang , Martin Haenggi , Zhenhui Tan

Collaborative beamforming enables nodes in a wireless network to transmit a common message over long distances in an energy efficient fashion. However, the process of making available the same message to all collaborating nodes introduces…

信息论 · 计算机科学 2008-01-22 Lun Dong , Athina P. Petropulu , H. Vincent Poor

In this paper we consider a time-division duplex cell-free massive multiple-input multiple-output (MIMO) system where many distributed access points (APs) simultaneously serve many users. A normalized conjugate beamforming scheme, which…

信息论 · 计算机科学 2019-09-10 Giovanni Interdonato , Hien Quoc Ngo , Erik G. Larsson , Pål Frenger

This paper explores downlink Cooperative Rate-Splitting Multiple Access (C-RSMA) in a multi-cell wireless network with the assistance of Joint-Transmission Coordinated Multipoint (JT-CoMP). In this network, each cell consists of a base…

信号处理 · 电气工程与系统科学 2024-09-04 Mohamed Elhattab , Shreya Khisa , Chadi Assi , Ali Ghrayeb , Marwa Qaraqe , Georges Kaddoum

Interference alignment is degree of freedom optimal in K -user MIMO interference channels and many previous works have studied the transceiver designs. However, these works predominantly focus on networks with perfect channel state…

信息论 · 计算机科学 2015-06-15 Xiongbin Rao , Liangzhong Ruan , Vincent K. N. Lau

Large-scale distributed Multiuser MIMO (MU-MIMO) is a promising wireless network architecture that combines the advantages of "massive MIMO" and "small cells." It consists of several Access Points (APs) connected to a central server via a…

This paper introduces novel transmit beamforming approaches for the cognitive radio (CR) Z-channel. The proposed transmission schemes exploit non-causal information about the interference at the SBS to re-design the CR beamforming…

信息论 · 计算机科学 2017-06-07 Ka Lung Law , Christos Masouros , Marius Pesavento

In this paper, we present a detailed analysis of the coverage and spectral efficiency of a downlink cellular network. Rather than relying on the first order statistics of received signal-to-interference-ratio (SIR) such as coverage…

网络与互联网体系结构 · 计算机科学 2018-08-20 A. M. Hayajneh , S. A. R. Zaidi , Des. C. McLernon , M. Z. Win , A. Imran , M. Ghogho

Utilization of inter-base station cooperation for information processing has shown great potential in enhancing the overall quality of communication services (QoS) in wireless communication networks. Nevertheless, such cooperations require…

信息论 · 计算机科学 2024-01-23 Xingdi Chen , Yu Xiong , Kai Yang

Cell-free wireless communication is envisioned as one of the most promising network architectures, which can achieve stable and uniform communication performance while improving the system energy and spectrum efficiency. The deployment of…

信号处理 · 电气工程与系统科学 2024-06-05 Zhuoyin Dai , Jingran Xu , Xiaoli Xu , Ruoguang Li , Yong Zeng

This paper characterizes the performance of coordinated beamforming with dynamic clustering. A downlink model based on stochastic geometry is put forth to analyze the performance of such base station (BS) coordination strategy. Analytical…

信息论 · 计算机科学 2016-11-15 Namyoon Lee , David Morales-Jimenez , Angel Lozano , Robert W. Heath

This paper addresses the problem of competition vs. cooperation in the downlink, between base stations (BSs), of a multiple input multiple output (MIMO) interference, heterogeneous wireless network (HetNet). This research presents a…

计算机科学与博弈论 · 计算机科学 2014-02-24 Mathew Goonewardena , Xin Jin , Wessam Ajib , Halima Elbiaze

In this paper, we consider a relative received link power (RRLP)-based coordinated multi-point (CoMP) joint transmission (JT) in the multi-tier ultra-dense networks (UDN). In this CoMP scheme, we identify the cooperating base stations (BSs)…

信息论 · 计算机科学 2020-12-22 Sudarshan Mukherjee , Dongsun Kim , Jemin Lee

Considering intelligent reflecting surface (IRS), we study a multi-cluster multiple-input-single-output (MISO) non-orthogonal multiple access (NOMA) downlink communication network. In the network, an IRS assists the communication from the…

信息论 · 计算机科学 2019-09-17 Yiqing Li , Miao Jiang , Qi Zhang , Jiayin Qin