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相关论文: Enhancing Multiuser MIMO Through Opportunistic D2D…

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This paper investigates joint user pairing, power and time slot duration allocation in the uplink multiple-input single-output (MISO) multi-user cooperative rate-splitting multiple access (C-RSMA) networks in half-duplex (HD) mode. We…

信号处理 · 电气工程与系统科学 2024-09-05 Shreya Khisa , Mohamad Elhattab , Chadi Assi , Sanaa Sharafeddine

A limitation of bandwidth in the wireless network and the exponential rise in the high data rate requirement prompted the development of Massive Multiple-Input-Multiple-Output (MIMO) technique in 5G. Using this method the ever rising data…

信号处理 · 电气工程与系统科学 2024-06-11 Mariea Sharaf Anzum , Moontasir Rafique , Md. Asif Ishrak Sarder , Fehima Tajrian , Abdullah Bin Shams

The basic idea of device-to-device (D2D) communication is that pairs of suitably selected wireless devices reuse the cellular spectrum to establish direct communication links, provided that the adverse effects of D2D communication on…

计算机科学与博弈论 · 计算机科学 2016-05-03 Setareh Maghsudi , Slawomir Stanczak

This paper proposes Leader in Charge (LiC), a reliable multicast architecture for device-to-device (D2D) radio underlaying cellular networks. The multicast-requesting user equipments (UEs) in close proximity form a D2D cluster to receive…

多媒体 · 计算机科学 2012-03-06 Wei Yang , Wanlu Sun , Lihua Li

Device-to-device (D2D) communication has seen as a major technology to overcome the imminent wireless capacity crunch and to enable new application services. In this paper, we propose a social-aware approach for optimizing D2D communication…

社会与信息网络 · 计算机科学 2015-10-16 Yanru Zhang , Lingyang Song , Walid Saad , Zaher Dawy , Zhu Han

In this paper, we first propose interference alignment (IA) scheme for uplink transmission of multiple-input-mulitple-output (MIMO) cellular network with a help of relay which operates in halfduplex mode. The proposed scheme only requires…

信息论 · 计算机科学 2017-05-23 Hoyoun Kim , Jong-Seon No

With the proliferation of computation-extensive and latency-critical applications in the 5G and beyond networks, mobile-edge computing (MEC) or fog computing, which provides cloud-like computation and/or storage capabilities at the network…

信息论 · 计算机科学 2019-02-27 Hong Xing , Liang Liu , Jie Xu , Arumugam Nallanathan

We consider relay selection technique in a cooperative cellular network where user terminals act as mobile relays to help the communications between base station (BS) and mobile station (MS). A novel relay selection scheme, called Joint…

信息论 · 计算机科学 2010-09-02 Wei Yang , Lihua Li , Gang Wu , Haifeng Wang , Ying Wang

Device-to-device (D2D) communications in cellular networks are promising technologies for improving network throughput, spectrum efficiency, and transmission delay. In this paper, we first introduce the concept of guard distance to explore…

网络与互联网体系结构 · 计算机科学 2016-11-17 Minming Ni , Lei Zheng , Fei Tong , Jianping Pan , Lin Cai

Full-duplex (FD) communication is optimistically promoted to double the spectral efficiency if sufficient self-interference cancellation (SIC) is achieved. However, this is not true when deploying FD-communication in a large-scale setup due…

信息论 · 计算机科学 2018-11-07 Konpal Shaukat Ali , Hesham ElSawy , Mohamed-Slim Alouini

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

Device-to-device (D2D) communications is seen as a major technology to overcome the imminent wireless capacity crunch and to enable novel application services. In this paper, we propose a novel, social-aware approach for optimizing D2D…

社会与信息网络 · 计算机科学 2015-10-19 Yanru Zhang , Lingyang Song , Walid Saad , Zaher Dawy , Zhu Han

This letter presents a device-to-device (D2D) enabling cellular full-duplex (FD) cooperative protocol using non-orthogonal multiple access (NOMA), where an FD relay assists in relaying NOMA far user's signal and transmits a D2D receiver's…

信号处理 · 电气工程与系统科学 2018-12-04 Mohammed Belal Uddin , Md. Fazlul Kader , Soo Young Shin

This paper considers a relay-assisted bidirectional cellular network where the base station (BS) communicates with each mobile station (MS) using OFDMA for both uplink and downlink. The goal is to improve the overall system performance by…

信息论 · 计算机科学 2010-09-03 Yuan Liu , Meixia Tao , Bin Li , Hui Shen

Device-to-device (D2D) communications is expected to be a critical enabler of distributed computing in edge networks at scale. A key challenge in providing this capability is the requirement for judicious management of the heterogeneous…

信号处理 · 电气工程与系统科学 2022-08-17 Junghoon Kim , Taejoon Kim , Morteza Hashemi , Christopher G. Brinton , David J. Love

In an extra-large scale MIMO (XL-MIMO) system, the antenna arrays have a large physical size that goes beyond the dimensions in traditional MIMO systems. Because of this large dimensionality, the optimization of an XL-MIMO system leads to…

信号处理 · 电气工程与系统科学 2020-02-04 Abolfazl Amiri , Carles Navarro Manch'on , Elisabeth de Carvalho

In this work, the feasibility of spectrum sharing between a multiple-input multiple-output (MIMO) radar system (RS) and a MIMO cellular system (CS), comprising of a full duplex (FD) base station (BS) serving multiple downlink and uplink…

信号处理 · 电气工程与系统科学 2019-04-25 Sudip Biswas , Keshav Singh , Omid Taghizadeh , Tharmalingam Ratnarajah

In downlink multiuser multiple-input multiple-output (MU-MIMO) systems, users are practically heterogeneous in nature. However, most of the existing user scheduling algorithms are designed with an implicit assumption that the users are…

信息论 · 计算机科学 2011-08-16 Xinping Yi , Edward Au

In this paper, we consider massive multiple-input multiple-output (MIMO) systems for both downlink and uplink scenarios, where three radio units (RUs) connected via one digital unit (DU) support multiple user equipments (UEs) at the…

信息论 · 计算机科学 2016-11-17 Yeon-Geun Lim , Chan-Byoung Chae , Giuseppe Caire

A cellular multiple-input multiple-output (MIMO) downlink system is studied in which each base station (BS) transmits to some of the users, so that each user receives its intended signal from a subset of the BSs. This scenario is referred…

信息论 · 计算机科学 2013-02-12 Saeed Kaviani , Osvaldo Simeone , Witold A Krzymień , Shlomo Shamai