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In this paper, we study a three-node full-duplex network, where a base station is engaged in simultaneous up- and downlink communication in the same frequency band with two half-duplex mobile nodes. To reduce the impact of inter- node…

信息论 · 计算机科学 2014-05-15 Jingwen Bai , Ashutosh Sabharwal

The visualization of future generation Wireless Communication Network WCN redirects the presumption of onward innovations, the fulfillment of user demands in the form of high data rates, energy efficiency, low latency, and long-range…

密码学与安全 · 计算机科学 2021-04-09 Misbah Shafi , Rakesh Kumar Jha

In this paper, we consider two fundamental full-duplex (FD) architectures, two-node and three-node, in the context of cellular networks where the terminals employ directional antennas. The simultaneous transmission and reception of data in…

信息论 · 计算机科学 2016-11-03 Constantinos Psomas , Mohammadali Mohammadi , Ioannis Krikidis , Himal A. Suraweera

Full-duplex (FD) communication is an emerging technology that can potentially double the throughput of cellular networks. Preliminary studies in single-cell or small FD network deployments have revealed promising rate gains using…

信息论 · 计算机科学 2016-04-21 Italo Atzeni , Marios Kountouris , George C. Alexandropoulos

In this paper, we provide a theoretical framework for the study of massive multiple-input multiple-output (MIMO)-enabled full-duplex (FD) cellular networks in which the self-interference (SI) channels follow the Rician distribution and…

信息论 · 计算机科学 2017-03-07 Arman Shojaeifard , Kai-Kit Wong , Marco Di Renzo , Gan Zheng , Khairi Ashour Hamdi , Jie Tang

Mobile edge caching (MEC) has received much attention as a promising technique to overcome the stringent latency and data hungry requirements in the future generation wireless networks. Meanwhile, full-duplex (FD) transmission can…

信息论 · 计算机科学 2019-11-01 Thang X. Vu , Symeon Chatzinotas , Björn Ottersten , Anh Vu Trinh

Due to mutual interference between users, power allocation problems in wireless networks are often non-convex and computationally challenging. Graph neural networks (GNNs) have recently emerged as a promising approach to tackling these…

网络与互联网体系结构 · 计算机科学 2024-01-09 Lili Chen , Jingge Zhu , Jamie Evans

Hardware imperfections can significantly reduce the performance of full-duplex wireless systems by introducing non-idealities and random effects that make it challenging to fully suppress self-interference. Previous research has mostly…

Mobile traffic is projected to increase 1000 times from 2010 to 2020. This poses significant challenges on the 5th generation (5G) wireless communication system design, including network structure, air interface, key transmission schemes,…

信息论 · 计算机科学 2015-07-16 Shuangfeng Han , Chih-Lin I , Linglong Dai , Qi Sun , Zhikun Xu

This paper introduces a novel paradigm for design- ing the physical and medium access control (MAC) layers of mobile ad hoc or peer-to-peer networks formed by half-duplex radios. A node equipped with such a radio cannot simultaneously…

信息论 · 计算机科学 2010-10-14 Dongning Guo , Lei Zhang

In this paper, we analytically study the regime in which practical full-duplex systems can achieve larger rates than an equivalent half-duplex systems. The key challenge in practical full-duplex systems is uncancelled self-interference…

信息论 · 计算机科学 2014-01-27 Elsayed Ahmed , Ahmed Eltawil , Ashutosh Sabharwal

Full-duplex (FD) allows the exchange of data between nodes on the same temporal and spectrum resources, however, it introduces self interference (SI) and additional network interference compared to half-duplex (HD). Power control in the FD…

网络与互联网体系结构 · 计算机科学 2017-02-23 Chenyuan Feng , Yi Zhong , Tony Q. S. Quek , Gang Wu

Thanks to its simplicity and cost efficiency, wireless local area network (WLAN) enjoys unique advantages in providing high-speed and low-cost wireless services in hot spots and indoor environments. Traditional WLAN medium-access-control…

网络与互联网体系结构 · 计算机科学 2010-06-24 Ying Jun , Zhang , Pengxuan Zheng , Soung Chang Liew

With the envisioned massive Internet-of-Things (IoT) era, one of the challenges for 5G wireless systems will be handling the unprecedented spectrum crunch. A potential solution has emerged in the form of spectrum sharing, which deviates…

信息论 · 计算机科学 2018-01-23 Jeemin Kim , Soo-Min Kim , Han Cha , Jinho Choi , Seung-Woo Ko , Chan-Byoung Chae , Seong-Lyun Kim

To provide Uplink Centric Broadband Communication (UCBC), New Radio Unlicensed (NR-U) network has been standardized to exploit the unlicensed spectrum using Listen Before Talk (LBT) scheme to fairly coexist with the incumbent Wireless…

系统与控制 · 电气工程与系统科学 2024-02-20 Hui Zhou , Yansha Deng

Fast rate adaptation has been established as an effective way to improve the PHY-layer raw date rate of wireless networks. However, within the current IEEE 802.11 legacy, MAC-layer throughput is dominated by users with the lowest data…

网络与互联网体系结构 · 计算机科学 2007-12-17 Da Rui Chen , Ying Jun , Zhang

Two-tier femtocell networks-- comprising a conventional macrocellular network plus embedded femtocell hotspots-- offer an economically viable solution to achieving high cellular user capacity and improved coverage. With universal frequency…

网络与互联网体系结构 · 计算机科学 2009-02-06 Vikram Chandrasekhar , Jeffrey G. Andrews

The demand for high data rates is rapidly increasing as the interest in Magnetic Induction (MI) communication-based underwater applications grow. However, the data rate in MI is limited by the use of low operational frequency in generating…

信号处理 · 电气工程与系统科学 2022-12-20 Muhammad Muzzammil , Saif Al-Kuwari , Niaz Ahmed , Marwa Qaraqe

A main distinguishing feature of a wireless network compared with a wired network is its broadcast nature, in which the signal transmitted by a node may reach several other nodes, and a node may receive signals from several other nodes,…

网络与互联网体系结构 · 计算机科学 2009-10-15 Zhang Shengli , Soung Chang Liew

We describe a new synchronous and distributed medium access control (MAC) protocol for multihop wireless networks that provides bandwidth guarantees to unicast connections. Our MAC protocol is based on a slotted time division multiple…

网络与互联网体系结构 · 计算机科学 2022-11-16 Jennifer Andreoli-Fang , George Kondylis