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相关论文: Hybrid Duplex Switching in Heterogeneous Networks

200 篇论文

The paper proposes a heterogeneous push-sum based subgradient algorithm for multi-agent distributed convex optimization in which each agent can arbitrarily switch between subgradient-push and push-subgradient at each time. It is shown that…

最优化与控制 · 数学 2023-03-31 Yixuan Lin , Ji Liu

In this paper, we consider a wireless powered multi-relay network in which a multi-antenna hybrid access point underlaying a cellular system transmits information to distant receivers. Multiple relays capable of energy harvesting are…

信息论 · 计算机科学 2018-10-23 Jing Xu , Yuze Zou , Shimin Gong , Lin Gao , Dusit Niyato , Wenqing Cheng

In this work, we design and analyze novel distributed scheduling algorithms for multi-user MIMO systems. In particular, we consider algorithms which do not require sending channel state information to a central processing unit, nor do they…

信息论 · 计算机科学 2015-03-20 Joseph Kampeas , Asaf Cohen , Omer Gurewitz

The issue of spectrum scarcity in wireless networks is becoming prominent and critical with each passing year. Although several promising solutions have been proposed to provide a solution to spectrum scarcity, most of them have many…

信号处理 · 电气工程与系统科学 2019-10-29 Khush Bakht , Furqan Jameel , Zain Ali , Wali Ullah Khan , Imran Khan , Guftaar Ahmad Sardar Sidhu , Jeong Woo Lee

We consider a cell-free massive multiple-input multiple-output (MIMO) network utilizing a virtually full-duplex (vFD) mode, where access points (APs) with a downlink (DL) mode and those with an uplink (UL) mode simultaneously serve DL and…

信息论 · 计算机科学 2022-05-16 Mohammadali Mohammadi , Tung T. Vu , Behnaz Naderi Beni , Hien Quoc Ngo , Michail Matthaiou

Recent advances in self-interference cancellation enable radios to transmit and receive on the same frequency at the same time. Such a full duplex radio is being considered as a potential candidate for the next generation of wireless…

信息论 · 计算机科学 2016-07-19 Sanjay Goyal , Carlo Galiotto , Nicola Marchetti , Shivendra Panwar

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

This paper investigates the problem of distributed medium access control in a wireless multiple access network with an unknown finite number of homogeneous transmitters. An enhanced physical link layer interface is considered where each…

信息论 · 计算机科学 2018-11-28 Faeze Heydaryan , Yanru Tang , Jie Luo

A multiple antenna base station (BS) with an intelligent reflecting surface (IRS) platform, and several single antenna users are considered in the downlink mode. Simultaneous wireless information and power transfer (SWIPT) is utilized by…

信号处理 · 电气工程与系统科学 2021-11-30 Shayan Zargari , Shahrokh Farahmand , Bahman Abolhassani

In this letter, we propose a joint transmission mode and transmit/receive (Tx/Rx) antenna configuration scheme referred to as X-duplex in the relay network with one source, one amplify-and-forward (AF) relay and one destination. The relay…

信息论 · 计算机科学 2017-01-26 Shuai Li , Mingxin Zhou , Jianjun Wu , Lingyang Song , Yonghui Li , Hongbin Li

In this paper we present several strategies for multiple relay networks which are constrained by a half-duplex operation, i. e., each node either transmits or receives on a particular resource. Using the discrete memoryless multiple relay…

信息论 · 计算机科学 2007-12-24 P. Rost , G. Fettweis

This paper proposes a hybrid-relaying scheme empowered by a self-sustainable intelligent reflecting surface (IRS) in a wireless powered communication network (WPCN), to simultaneously improve the performance of downlink energy transfer (ET)…

信号处理 · 电气工程与系统科学 2020-10-01 Bin Lyu , Parisa Ramezani , Dinh Thai Hoang , Shimin Gong , Zhen Yang , Abbas Jamalipour

This paper studies the potential of harvesting energy from the self-interference of a full-duplex base station. The base station is equipped with a self-interference cancellation switch, which is turned-off for a fraction of the…

信息论 · 计算机科学 2018-07-04 Animesh Yadav , Octavia A. Dobre , H. Vincent Poor

For a self-sustaining wireless communication system in Internet-of-Things (IoT) networks, energy harvesting (EH) can be implemented at each user node as a constant renewable power supply source. Hence, an investigation into the use of…

信息论 · 计算机科学 2020-04-16 Derek Kwaku Pobi Asiedu , Sumaila Mahama , Changick Song , Dongwan Kim , Kyoung-Jae Lee

This paper considers the problem of cost-aware downlink sum-rate maximization via joint optimal radio access technologies (RATs) assignment and power allocation in next-generation heterogeneous wireless networks (HetNets). We consider a…

信号处理 · 电气工程与系统科学 2025-07-04 Abdulmalik Alwarafy , Bekir Sait Ciftler , Mohamed Abdallah , Mounir Hamdi , Naofal Al-Dhahir

Computing the cut-set bound in half-duplex relay networks is a challenging optimization problem, since it requires finding the cut-set optimal half-duplex schedule. This subproblem in general involves an exponential number of variables,…

信息论 · 计算机科学 2013-05-14 Raúl Etkin , Farzad Parvaresh , Ilan Shomorony , A. Salman Avestimehr

In-band full duplex cell-free (CF) systems suffer from severe self-interference and cross-link interference, especially when CF systems are operated in distributed way. To this end, we propose the multicarrier-division duplex as an enabler…

信号处理 · 电气工程与系统科学 2023-06-16 Bohan Li , Lie-Liang Yang , Robert G Maunder , Songlin Sun , Pei Xiao

In this work, we analyze the probabilistic cooperation of a full-duplex relay in a multiuser random-access network. The relay is equipped with on/off modes for the receiver and the transmitter independently. These modes are modeled as…

网络与互联网体系结构 · 计算机科学 2016-07-11 Ioannis Avgouleas , Nikolaos Pappas , Di Yuan , Vangelis Angelakis

In this paper, we study the resource allocation algorithm design for distributed antenna multiuser networks with full-duplex (FD) radio base stations (BSs) which enable simultaneous uplink and downlink communications. The considered…

信息论 · 计算机科学 2015-02-10 Derrick Wing Kwan Ng , Yongpeng Wu , Robert Schober

In this paper, we investigate the problem of two-way relay beamforming optimization to maximize the achievable sum-rate of a simultaneous wireless information and power transfer (SWIPT) system with a full-duplex (FD) multiple-input…

信息论 · 计算机科学 2017-03-23 Alexander A. Okandeji , Muhammad R. A. Khandaker , Kai-Kit Wong