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

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Global wireless networks enable mobile users to communicate regardless of their locations. Location management is an important part of the emerging wireless and mobile technology. A Personal Communication System (PCS) network must have an…

数据分析、统计与概率 · 物理学 2007-05-23 Chhaya Ravi Kant , P. Arun , Nupur Prakash

In this paper we investigate the benefit of base station (BS) cooperation in the uplink of coordinated multi-point (CoMP) networks. Our figure of merit is the required BS density required to meet a chosen rate coverage. Our model assumes a…

信息论 · 计算机科学 2016-11-15 S. Alireza Banani , Raviraj Adve

We study a two-tier macrocell/femtocell system where the macrocell base station is equipped with multiple antennas and makes use of multiuser MIMO (spatial multiplexing), and the femtocells are "cognitive". In particular, we assume that the…

信息论 · 计算机科学 2012-02-08 Ansuman Adhikary , Giuseppe Caire

The low-altitude economy (LAE) has emerged and developed in various fields, which has gained considerable interest. To ensure the security of LAE, it is essential to establish a proper sensing coverage scheme for monitoring the unauthorized…

系统与控制 · 电气工程与系统科学 2025-12-11 Ying Zhang , Zeqi Hao , Tingting Zhang

Dynamic time-division duplex (D-TDD) aided mobile communication systems bear the potential to achieve significantly higher spectral efficiency than traditional static TDD based systems. However, strong cross-link interference (CLI) may be…

信号处理 · 电气工程与系统科学 2025-05-13 Jia-Hui Bi , Shaoshi Yang , Xiao-Yang Wang , Yu-Song Luo , Sheng Chen

We consider wireless backhauling for a scenario where two small-cell base stations (SC-BSs) employ the same time and frequency resources for offloading their data to a common macro-cell base station (MC-BS). The two SC-BSs allocate a part…

信息论 · 计算机科学 2016-12-20 Vahid Jamali , Nikola Zlatanov , Robert Schober

In theory coordinated multi-point transmission (CoMP) promises vast gains in spectral efficiency. But industrial field trials show rather disappointing throughput gains, whereby the major limiting factor is proper sharing of channel state…

信息论 · 计算机科学 2016-11-18 Jan Schreck , Gerhard Wunder , Peter Jung

Relay-assisted cooperative wireless communication has been shown to have significant performance gains over the legacy direct transmission scheme. Compared with single relay based cooperation schemes, utilizing multiple relays further…

网络与互联网体系结构 · 计算机科学 2015-03-19 Pei Liu , Chun Nie , Thanasis Korakis , Elza Erkip , Shivendra Panwar , Francesco Verde , Anna Scaglione

In this paper, spectrum-sharing technology is integrated into cellular systems to improve spectrum efficiency. Macrocell users are primary users (PUs) while those within local cells, e.g., femtocell users, or desiring cost-effective…

信息论 · 计算机科学 2016-01-12 Minghua Xia , Sonia Aïssa

The ideas of wireless network coding at the physical layer promise high throughput gains in wireless systems with relays and multi-way traffic flows. This gain can be ascribed to two principles: (1) joint transmission of multiple…

信息论 · 计算机科学 2010-11-30 Chan Dai Truyen Thai , Petar Popovski , Megumi Kaneko , Elisabeth de Carvalho

This letter advances the non-orthogonal multiple access (NOMA) technique for cellular downlink co-channel interference mitigation, via exploiting the (limited) cooperation among base stations (BSs). Specifically, we consider a simplified…

信息论 · 计算机科学 2020-02-17 Weidong Mei , Rui Zhang

Base station switching (BSS) can results in significant reduction in energy consumption of cellular networks during low traffic conditions. We show that the coverage loss due to BSS can be compensated via coordinated multi-point (CoMP)…

网络与互联网体系结构 · 计算机科学 2018-03-29 Yoghitha Ramamoorthi , Abhinav Kumar

The dual-cross scenario of the hybrid wireless sensor networks (WSNs) is studied and a novel MIMO Cluster Cooperative Assignment Cross Layer Scheduling Scheme (MCCA-CLSS) is proposed in this paper. The comparison and the predominance of the…

网络与互联网体系结构 · 计算机科学 2010-08-09 Yingji Zhong , Kyung Sup Kwak , Sana Ullah

This paper proposes two interference mitigation strategies that adjust the maximum transmit power of femtocell users to suppress the cross-tier interference at a macrocell base station (BS). The open-loop and the closed-loop control…

网络与互联网体系结构 · 计算机科学 2009-10-13 Han-Shin Jo , Cheol Mun , June Moon , Jong-Gwan Yook

This work considers the problem of dynamic power allocation in the downlink of multi-cell networks, where each cell utilizes non-orthogonal multiple access (NOMA)-based resource allocation. Also, coordinated multi-point (CoMP) transmission…

信号处理 · 电气工程与系统科学 2018-01-17 Md Shipon Ali , Ekram Hossain , Arafat Al-Dweik , Dong In Kim

This paper studies a wireless networked control system with multiple base stations (BSs) cooperatively coordinating the wireless control of a number of subsystems each consisting of a plant, a sensor, and an actuator. In this system, each…

信息论 · 计算机科学 2025-01-22 Zhilin Liu , Yiyang Li , Huijun Xing , Ye Zhang , Jie Xu , Shuguang Cui

Heterogeneous small cell network has attracted much attention to satisfy users' explosive data traffic requirements. Heterogeneous cloud small cell network (HCSNet), which combines cloud computing and heterogeneous small cell network, will…

信息论 · 计算机科学 2016-11-17 Haijun Zhang , Chunxiao Jiang , Julian Cheng , Victor C. M. Leung

Addressing the communication and sensing demands of sixth-generation (6G) mobile communication system, integrated sensing and communication (ISAC) has garnered traction in academia and industry. With the sensing limitation of single base…

信号处理 · 电气工程与系统科学 2024-09-17 Haotian Liu , Zhiqing Wei , Furong Yang , Huici Wu , Kaifeng Han , Zhiyong Feng

The demand for higher data rates and the scarce spectrum resources drive the adoption of collaborative communication techniques. In this work we shown that the existing cluster based collaborative schemes can be greatly improved in terms of…

信息论 · 计算机科学 2016-04-06 Anatoly Khina , Tal Philosof , Moshe Laifenfeld

Inter-cell interference (ICI) suppression is critical for multi-cell multi-user networks. In this paper, we investigate advanced precoding techniques for coordinated multi-point (CoMP) with downlink coherent joint transmission, an effective…

信号处理 · 电气工程与系统科学 2024-03-29 Xinyu Bian , Yuhao Liu , Yizhou Xu , Tianqi Hou , Wenjie Wang , Yuyi Mao , Jun Zhang