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Consider a MIMO interference channel whereby each transmitter and receiver are equipped with multiple antennas. The basic problem is to design optimal linear transceivers (or beamformers) that can maximize system throughput. The recent work…

Information Theory · Computer Science 2010-09-20 Meisam Razaviyayn , Maziar Sanjabi , Zhi-Quan Luo

Far-field microwave power transfer (MPT) will free wireless sensors and other mobile devices from the constraints imposed by finite battery capacities. Integrating MPT with wireless communications to support simultaneous information and…

Information Theory · Computer Science 2015-06-12 Kaibin Huang , Erik G. Larsson

Wireless charging is a promising way to power wireless nodes' transmissions. This paper considers new dual-function access points (APs) which are able to support the energy/information transmission to/from wireless nodes. We focus on a…

Information Theory · Computer Science 2016-11-18 Yue Ling Che , Lingjie Duan , Rui Zhang

This paper considers an unmanned aerial vehicle (UAV)-enabled wireless power transfer (WPT) system, in which a UAV equipped with a directional antenna is dispatched to deliver wireless energy to charge two energy receivers (ERs) on the…

Information Theory · Computer Science 2018-05-11 Yundi Wu , Jie Xu , Ling Qiu

This paper studies the coordinated beamforming design problem for the multiple-input single-output (MISO) interference channel, assuming only channel distribution information (CDI) at the transmitters. Under a given requirement on the rate…

Information Theory · Computer Science 2016-11-18 Wei-Chiang Li , Tsung-Hui Chang , Che Lin , Chong-Yung Chi

In this paper, we propose a joint beamforming algorithm for a multiuser wireless information and power transfer (MU-WIPT) system that is compatible with the conventional multiuser multiple input multiple output (MU-MIMO) system. The…

Information Theory · Computer Science 2014-07-08 Hyukmin Son , Bruno Clerckx

The newly emerging wireless powered communication networks (WPCNs) have recently drawn significant attention, where radio signals are used to power wireless terminals for information transmission. In this paper, we study a WPCN where one…

Information Theory · Computer Science 2014-04-16 Liang Liu , Rui Zhang , Kee-Chaing Chua

This correspondence studies the wireless powered over-the-air computation (AirComp) for achieving sustainable wireless data aggregation (WDA) by integrating AirComp and wireless power transfer (WPT) into a joint design. In particular, we…

Information Theory · Computer Science 2023-05-18 Siyao Zhang , Xinmin Li , Yin Long , Jie Xu , Shuguang Cui

We study multi-hop data-dissemination in a wireless network from one source to multiple nodes where some of the nodes of the network act as re-transmitting nodes and help the source in data dissemination. In this network, we study two…

Networking and Internet Architecture · Computer Science 2020-03-24 Mahdi Mousavi , Anja Klein

This paper investigates a new downlink nonorthogonal multiple access (NOMA) system, where a multiantenna unmanned aerial vehicle (UAV) is powered by wireless power transfer (WPT) and serves as the base station for multiple pairs of ground…

Information Theory · Computer Science 2022-04-21 Zhongyu Wang , Tiejun Lv , Jie Zeng , Wei Ni

Wireless energy transfer (WET) is a promising solution to enable massive machine-type communications (mMTC) with low-complexity and low-powered wireless devices. Given the energy restrictions of the devices, instant channel state…

Signal Processing · Electrical Eng. & Systems 2022-08-04 Francisco A. Monteiro , Onel L. A. López , Hirley Alves

In this paper, a novel joint design of beamforming and power allocation is proposed for a multi-cell multiuser multiple-input multiple-output (MIMO) non-orthogonal multiple access (NOMA) network. In this network, base stations (BSs) adopt…

Information Theory · Computer Science 2018-06-13 Xiaofang Sun , Nan Yang , Shihao Yan , Zhiguo Ding , Derrick Wing Kwan Ng , Chao Shen , Zhangdui Zhong

This paper investigates the utility of movable antenna (MA) assistance for the multiple-input single-output (MISO) interference channel. We exploit an additional design degree of freedom provided by MA to enhance the desired signal and…

Information Theory · Computer Science 2024-04-04 Honghao Wang , Qingqing Wu , Wen Chen

We consider the joint design of transmit beamforming and receive signal-splitting ratios in the downlink of a wireless network with simultaneous radio-frequency (RF) information and energy transfer. Under constraints on the…

Information Theory · Computer Science 2017-10-13 Ali A. Nasir , Hoang D. Tuan , Duy T. Ngo , Salman Durrani , Dong In Kim

This paper considers the multiple-input-single-output interference channel (MISO-IC) with interference decoding capability (IDC), so that the interference signal can be decoded and subtracted from the received signal. On the MISO-IC with…

Information Theory · Computer Science 2011-07-05 Z. K. M. Ho , D. Gesbert , E. Jorswieck , R. Mochaourab

Millimeter-wave (mmWave) communication is considered as a key enabler of ultra-high data rates in the future cellular and wireless networks. The need for directional communication between base stations (BSs) and users in mmWave systems,…

Signal Processing · Electrical Eng. & Systems 2020-11-04 Sara Khosravi , Hossein S. Ghadikolaei , Marina Petrova

We present a multi-node, multi-objective open-loop microwave distributed beamforming system based on high-accuracy wireless synchronization and localization. Distributed beamforming requires accurate coordination of the spatial and…

Signal Processing · Electrical Eng. & Systems 2024-07-23 Ahona Bhattacharyya , Jeffrey A. Nanzer

This letter studies a multi-antenna wireless powered communication (WPC) system with co-channel energy and information transfer, where a wireless device (WD), powered up by wireless energy transfer (WET) from an energy transmitter (ET),…

Information Theory · Computer Science 2015-10-23 Yueling Che , Jie Xu , Lingjie Duan , Rui Zhang

We present an approach to solve the nonconvex optimization problem that arises when designing the transmit covariance matrices in multiuser multiple-input multiple-output (MIMO) broadcast networks implementing simultaneous wireless…

Information Theory · Computer Science 2016-04-05 Javier Rubio , Antonio Pascual-Iserte , Daniel P. Palomar , Andrea Goldsmith

Simultaneous wireless information and power transfer (SWIPT) is anticipated to have great applications in fifth-generation (5G) and beyond communication systems. In this paper, we address the energy efficiency (EE) optimization problem for…

Information Theory · Computer Science 2017-10-24 Jie Tang , Daniel K. C. So , Arman Shojaeifard , Kai-Kit Wong