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A 28-GHz Phased-Array Relay Transceiver for 5G Network Using Vector-Summing Backscatter With 24-GHz Wireless Power and LO Transfer

Michihiro Ide, Atsushi Shirane, Kiyoshi Yanagisawa, Dongwon You, Jian Pang, Kenichi Okada
2022 IEEE Journal of Solid-State Circuits  
This relay transceiver consists of the proposed vector-summing backscatter for Transmitter (Tx) and a passive phase-shifting self-heterodyne Receiver (Rx) with a rectifier for Rx and WPT.  ...  This article introduces a wirelessly powered phasedarray transceiver for fifth-generation (5G) relay systems.  ...  In addition, the transceiver is compatible with the 5G new radio (NR) as a simple relay system.  ... 
doi:10.1109/jssc.2021.3137336 fatcat:vdibh62fqfd33gfy3dbkjrrtgy

A Promising Technology for 6G Wireless Networks: Intelligent Reflecting Surface [article]

Wen-Xuan Long, Rui Chen, Marco Moretti, Wei Zhang, Jiandong Li
2021 arXiv   pre-print
Besides, we discuss the potential application of IRS in the connectivity of 6G networks in detail, including intelligent and controllable wireless environment, ubiquitous connectivity, deep connectivity  ...  The next 6G wireless communication networks are the key to achieve this grand blueprint, which is expected to connect everything, provide full dimensional wireless coverage and integrate all functions  ...  ACKNOWLEDGMENT The authors would like to thank the editor and the anonymous reviewers for their careful reading and valuable suggestions that helped to improve the quality of this manuscript.  ... 
arXiv:2110.09114v1 fatcat:afwqge57j5fe5nhupfwyuwoywi

Backscatter Communications: Inception of the Battery-Free Era—A Comprehensive Survey

Mudasar Memon, Navrati Saxena, Abhishek Roy, Dong Shin
2019 Electronics  
Backscatter communication (BackCom) makes it possible to harvest energy from incident RF signals and reflect back parts of the same signals while modulating the data.  ...  The vision of massive IoT, involving billions of smart objects to be connected to the cellular network, needs to address the problem of uninterrupted power consumption while taking advantage of emerging  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/electronics8020129 fatcat:m7vootfm5fh77omdwjcbj5alvq

Green UAV communications for 6G: A survey

Xu Jiang, Min Sheng, Nan Zhao, Chengwen Xing, Weidang Lu, Xianbin Wang
2021 Chinese Journal of Aeronautics  
On the other hand, UAVs can also work as relays to connect the ground users and the spacecrafts with LoS channels.  ...  Compared to the terrestrial systems, the new characteristics of the UAV-assisted communication systems are summarized as follows: (1) High altitude.  ...  In UAV-enabled relaying systems, the system performance can be enhanced by optimizing the position of UAV and transmit power 20, 45, 46 .  ... 
doi:10.1016/j.cja.2021.04.025 fatcat:t5yhxsloefc23b77larlmbxjm4

A New Green Prospective of Non-orthogonal Multiple Access (NOMA) for 5G

Vishaka Basnayake, Dushantha Nalin K. Jayakody, Vishal Sharma, Nikhil Sharma, P. Muthuchidambaranathan, Hakim Mabed
2020 Information  
Energy efficiency is a major concern in the emerging mobile cellular wireless networks since massive connectivity is to be expected with high energy requirements from the network operators.  ...  Non-orthogonal multiple access (NOMA) being the frontier multiple access scheme for 5G, there exists numerous research attempts on enhancing the energy efficiency of NOMA enabled wireless networks while  ...  One of the main challenges of backscatter communication, the reduced strength of the backscatter signal, can be overcome by full duplex communications as suggested in [124] .  ... 
doi:10.3390/info11020089 fatcat:dbjha23zqfg3hb5inwyfslrcaq

Large-Scale Wireless-Powered Networks with Backscatter Communications – A Comprehensive Survey

Fatemeh Rezaei, Chintha Tellambura, Sanjeewa Herath
2020 IEEE Open Journal of the Communications Society  
Therefore, backscatter communication is a key facilitator for low-rate, low-power and large-scale wireless communication systems with EH.  ...  INDEX TERMS Backscatter communication systems, wireless-powered networks, large-scale communication systems, IoT networks, and massive machine type communications. both technical and theoretical perspectives  ...  BACKSCATTER-ASSISTED WIRELESS-POWERED RELAYING Relaying has been considered as an effective solution to enhance the communication ranges of power-constrained IoT networks.  ... 
doi:10.1109/ojcoms.2020.3012466 fatcat:jlsmjscegzcb5kutdh4lna6khu

Non-Coherent and Backscatter Communications: Enabling Ultra-Massive Connectivity in the Era Beyond 5G [article]

Syed Junaid Nawaz, Shree Krishna Sharma, Babar Mansoor, Mohmammad N. Patwary, Noor M. Khan
2020 arXiv   pre-print
the amalgamation of non-coherent and backscatter communications (BsC).  ...  These challenges, partly emerged with the advent of massive machine-type communications (mMTC) services, require extensive research innovations to sustain the evolution towards enhanced-mMTC (e-mMTC) with  ...  In [140] , simultaneous transmission of signals from primary cellular system and receiving of backscatter signals to enhance the overall system throughput is strongly encouraged.  ... 
arXiv:2005.10937v3 fatcat:nsyufug2dbbvzeribg4bgymyfa

Capitalizing Backscatter-Aided Hybrid Relay Communications with Wireless Energy Harvesting [article]

Shimin Gong, Yuze Zou, Dinh Thai Hoang, Jing Xu, Wenqing Cheng, Dusit Niyato
2020 arXiv   pre-print
We introduce the novel concept of hybrid relay communications, which allows each relay to switch between two radio modes, i.e., the active RF communications and the passive backscatter communications,  ...  Simulation results verify that the hybrid relaying communications can achieve 20% performance improvement compared to the conventional relay communications with all active relays.  ...  SYSTEM MODEL We consider a downlink communication system with a group of single-antenna user devices coordinated by a multiantenna hybrid access point (HAP), which constantly distributes data stream to  ... 
arXiv:2001.10180v1 fatcat:2a6enl4dcng63koj63vlgwfhla

A Survey of Rate-optimal Power Domain NOMA with Enabling Technologies of Future Wireless Networks [article]

Omar Maraqa, Aditya S. Rajasekaran
2020 arXiv   pre-print
In this paper, we survey the integration of PD-NOMA with the enabling communications schemes and technologies that are expected to meet the various requirements of B5G networks.  ...  the coalition of different communications schemes and technologies to enable these applications requirements.  ...  Also, the authors would like to thank Ericsson Canada Inc. and the Discovery Grant of the Natural Sciences and Engineering Research Council of Canada for support.  ... 
arXiv:1909.08011v4 fatcat:xlt7aul75zhozkb2stpbs4q2fm

Performance Characterization of Relaying Using Backscatter Devices

Xiaolun Jia, Xiangyun Zhou
2020 IEEE Open Journal of the Communications Society  
His research interests include backscatter communication, intelligent reflecting surfaces, and performance analysis of wireless communication systems.  ...  In this paper, we examine the error performance of backscatter communication in the presence of ambient interference, where the backscatter device acts as a relay.  ...  More recently, a system with an active source and a hybrid relay capable of both active and backscatter communication was studied in [24] .  ... 
doi:10.1109/ojcoms.2020.3003630 fatcat:zbspm7mcybbildhnipfyz5zusu

2019 Index IEEE Wireless Communications Letters Vol. 8

2019 IEEE Wireless Communications Letters  
., +, LWC Feb. 2019 313-316 On the Throughput of Wireless Powered Communication Systems With a Multiple Antenna Bidirectional Relay.  ...  ., +, LWC Feb. 2019 309-312 On the Throughput of Wireless Powered Communication Systems With a Multiple Antenna Bidirectional Relay.  ... 
doi:10.1109/lwc.2019.2961756 fatcat:bwxehcl4ejew7a6m66prb6s4z4

Intelligent Spectrum Management and Trajectory Design for UAV-Assisted Cognitive Ambient Backscatter Networks

Jiazhou Liu, Sa Xiao, Huayan Guo, Xiangwei Zhou, Shixin He, Xin Liu
2021 Wireless Communications and Mobile Computing  
In this paper, we consider a novel Internet of Things (IoT) system in smart city called unmanned aerial vehicle- (UAV-) assisted cognitive backscatter network, where a UAV is employed as both a relay and  ...  Simulation results demonstrate that the proposed algorithm can significantly increase the average max-min rate of the BDs while guaranteeing the acceptable interference to CUs with a fast convergence speed  ...  Note that both studies focus on UAV communications in traditional cellular systems. In backscatter-enabled systems, the UAV needs to work as a RF source for the BDs in addition to being a relay.  ... 
doi:10.1155/2021/5536726 fatcat:4nu3knc4rfdy7hfknoupnpzsxu

Guest Editorial 5G Wireless Communications With High Mobility

Ruisi He, Fan Bai, Guoqiang Mao, Jerome Harri, Pekka Kyosti
2020 IEEE Journal on Selected Areas in Communications  
They will also enable new services or enhancements for vehicular communications in Intelligent Transportation System (ITS) [6]-[9] .  ...  Since 5G communications have ambitious requirements in many aspects such as data rate, reliability, latency, etc., investigations of the impact of high mobility on wireless system performance is of significant  ...  It is found that network ST can be sustainably increased with growing UAV density and independent of UAV flight altitude if UAV beamwidth inversely grows with the square of UAV density under PAE.  ... 
doi:10.1109/jsac.2020.3005498 fatcat:w2fl5pqq5be7fm5kapbdzs5vza

Performance Characterization of Relaying Using Backscatter Devices [article]

Xiaolun Jia, Xiangyun Zhou
2020 arXiv   pre-print
In this paper, we examine the error performance of backscatter communication in the presence of ambient interference, where the backscatter device acts as a relay.  ...  These results provide valuable insights into the design and deployment of backscatter nodes with the goal of improving coverage.  ...  More recently, a system with an active source and a hybrid relay capable of both active and backscatter communication was studied in [24] .  ... 
arXiv:1904.01323v2 fatcat:mp73uyjicjcubm353mwt5dzdtu

Modified Backscatter Communication Model for Wireless Communication Network Applications

Joy Iong Zong Chen
2021 IRO Journal on Sustainable Wireless Systems  
The green communication and large-scale connection issues will be faced by the wireless communication networks with futuristic sixth generation (6G) technology.  ...  as well as the stringent energy scenarios of green Internet-of-things (IoT) by means of the proposed novel modified backscatter communication model (BCM).  ...  A novel backscatter communication model (BCM) is proposed as the wireless low-power backscatter devices (BD) may be connected in a large scale while enabling efficient communication while supporting green  ... 
doi:10.36548/jsws.2021.2.005 fatcat:ots2nu7k3rddrcan2tvow5tz2q
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