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相关论文: Location-Aware Cross-Tier Coordinated Multipoint T…

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Within the wireless mesh network, a bottleneck problem arises as the number of concurrent traffic flows (NCTF) increases over a single common control channel, as it is for most conventional networks. To alleviate this problem, this paper…

网络与互联网体系结构 · 计算机科学 2011-08-08 Bingxuan Zhao , Shigeru Shimamoto

Cross-layer resource allocation over mobile edge computing (MEC)-aided cell-free networks can sufficiently exploit the transmitting and computing resources to promote the data rate. However, the technical bottlenecks of traditional methods…

机器学习 · 计算机科学 2024-12-24 Chong Zheng , Shiwen He , Yongming Huang , Tony Q. S. Quek

We propose a tunable location-dependent base station (BS) cooperation scheme by partitioning the plane into three regions: the cell centers, cell edges and cell corners. The area fraction of each region is tuned by the cooperation level…

信息论 · 计算机科学 2018-05-22 Ke Feng , Martin Haenggi

In this letter, we investigate a coordinated multiple point (CoMP)-aided integrated sensing and communication (ISAC) system that supports multiple users and targets. Multiple base stations (BSs) employ a coordinated power allocation…

信息论 · 计算机科学 2025-03-11 Jianpeng Zou , Zhanfeng Zhong , Jintao Wang , Zheng Shi , Guanghua Yang , Shaodan Ma

Caching at base stations (BSs) is a promising approach for supporting the tremendous traffic growth of content delivery over future small-cell wireless networks with limited backhaul. This paper considers exploiting spatial caching…

信号处理 · 电气工程与系统科学 2018-08-09 Wei Han , An Liu , Wei Yu , Vincent K. N. Lau

We consider the problem of coordinated multi- cell downlink beamforming in massive multiple input multiple output (MIMO) systems consisting of N cells, Nt antennas per base station (BS) and K user terminals (UTs) per cell. Specifically, we…

信息论 · 计算机科学 2015-04-09 Subhash Lakshminarayana , Mohamad Assaad , Merouane Debbah

In modern wireless networks, interference is no longer negligible since each cell becomes smaller to support high throughput. The reduced size of each cell forces to install many cells, and consequently causes to increase inter-cell…

信息论 · 计算机科学 2012-09-19 Hyukjoon Kwon , Jungwon Lee , Inyup Kang

Low-altitude wireless networks are increasingly vital for the low-altitude economy, enabling wireless coverage in high-mobility and hard-to-reach environments. However, providing reliable connectivity to sparsely distributed aerial users in…

信息论 · 计算机科学 2025-12-16 Tian Shi , Wenkun Wen , Peiran Wu , Minghua Xia

In this paper, we investigate the dynamic power allocation for a visible light communication (VLC) cellular system consisting of two coordinating attocells, each equipped with one access-point (AP). The coordinated multipoint (CoMP) between…

信号处理 · 电气工程与系统科学 2022-07-05 Mohamed Amine Arfaoui , Ali Ghrayeb , Chadi Assi , Marwa Qaraqe

Coordinated multi-point transmission/reception aided collocated antenna system (CoMP-CAS) and mobile relay assisted fractional frequency reuse distributed antenna system (MR-FFR-DAS) constitute a pair of virtual-MIMO based technical options…

信息论 · 计算机科学 2016-07-12 Shaoshi Yang , Xinyi Xu , Dimitrios Alanis , Soon Xin Ng , Lajos Hanzo

In this paper, we consider a hierarchical distributed multi-task learning (MTL) system where distributed users wish to jointly learn different models orchestrated by a central server with the help of a layer of multiple relays. Since the…

信息论 · 计算机科学 2022-12-19 Haoyang Hu , Songze Li , Minquan Cheng , Youlong Wu

This paper considers coordinated multicast beamforming in a multi-cell wireless network. Each multiantenna base station (BS) serves multiple groups of single antenna users by generating a single beam with common data per group. The aim is…

信息论 · 计算机科学 2016-11-17 Harri Pennanen , Dimitrios Christopoulos , Symeon Chatzinotas , Björn Ottersten

The explosive growth of content-on-the-move, such as video streaming to mobile devices, has propelled research on multimedia broadcast and multicast schemes. Multi-rate transmission strategies have been proposed as a means of delivering…

信息论 · 计算机科学 2016-11-15 Andrea Tassi , Ioannis Chatzigeorgiou , Dejan Vukobratović

Infrastructure-less Multi-hop Wireless Networks are the backbone for mission critical communications such as in disaster and battlefield scenarios. However, interference signals in the wireless channel cause losses to transmission in…

网络与互联网体系结构 · 计算机科学 2024-11-25 Muhammad Ali , Alister Burr

This paper studies the performance of cache-enabled dense small cell networks consisting of multi-antenna sub-6 GHz and millimeter-wave base stations. Different from the existing works which only consider a single antenna at each base…

网络与互联网体系结构 · 计算机科学 2018-01-18 Yongxu Zhu , Gan Zheng , Lifeng Wang , Kai-Kit Wong , Liqiang Zhao

In this paper, the impact of imperfect channel state information (CSI) on a downlink coordinated multipoint (CoMP) transmission system with non-orthogonal multiple access (NOMA) is investigated since perfect knowledge of a channel can not…

信息论 · 计算机科学 2020-07-16 Fahri Wisnu Murti , Rahmat Faddli Siregar , Muhammad Royyan , Soo Young Shin

In this paper, we investigate a multi-cell six-dimensional movable antenna (6DMA) network for enhancing downlink communication performance under inter-cell interference (ICI). Each base station (BS) is equipped with multiple 6DMA surfaces,…

信息论 · 计算机科学 2026-05-22 Qijun Jiang , Xiaodan Shao , Rui Zhang

This paper considers networked sensing in cellular network, where multiple base stations (BSs) first compress their received echo signals from multiple targets and then forward the quantized signals to the central unit (CU) via…

信号处理 · 电气工程与系统科学 2024-09-09 Weifeng Zhu , Shuowen Zhang , Liang Liu

This paper considers the cooperation between a cognitive system and a primary system where multiple cognitive base stations (CBSs) relay the primary user's (PU) signals in exchange for more opportunity to transmit their own signals. The…

信息论 · 计算机科学 2015-06-04 Gan Zheng , S. H. Song , Kai-Kit Wong , Bjorn Ottersten

Primary user activity is a major bottleneck for existing routing protocols in cognitive radio networks. Typical routing protocols avoid areas that are highly congested with primary users, leaving only a small fragment of available links for…

网络与互联网体系结构 · 计算机科学 2016-08-05 Arsany Guirguis , Mohammed Karmoose , Karim Habak , Mustafa El-Nainay , Moustafa Youssef