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Full duplex backscatter

Dinesh Bharadia, Kiran Raj Joshi, Sachin Katti
2013 Proceedings of the Twelfth ACM Workshop on Hot Topics in Networks - HotNets-XII  
Our key insight is that if radios could measure the backscatter of their own transmissions (i.e. reflections from the environment of their transmissions), then Tricorder-style powerful object detection  ...  In this paper we focus specifically on backscatter measurement, we describe novel circuits and algorithms that can be added to existing radios to enable them to accurately and concurrently receive and  ...  Figure 1 : 1 Applications of full duplex backscatter: On the left, we see how guns reflect almost all the signal whereas the rest of the body lets it through.  ... 
doi:10.1145/2535771.2535785 dblp:conf/hotnets/BharadiaJK13 fatcat:q6uabhwzdvhm7euyxciylnfm7m

Simplifying Backscatter Deployment: Full-Duplex LoRa Backscatter [article]

Mohamad Katanbaf, Anthony Weinand, Vamsi Talla
2020 arXiv   pre-print
To address this, we design the first long-range full-duplex LoRa backscatter reader.  ...  Due to the practical challenges in the deployment of existing half-duplex systems, the promise of ubiquitous backscatter connectivity has eluded us.  ...  of a full-duplex system.  ... 
arXiv:2011.03952v1 fatcat:svlr22upinf2ldnkacmsazgdwa

Enabling instantaneous feedback with full-duplex backscatter

Vincent Liu, Vamsi Talla, Shyamnath Gollakota
2014 Proceedings of the 20th annual international conference on Mobile computing and networking - MobiCom '14  
This paper introduces the first design that enables fullduplex communication on battery-free backscatter devices.  ...  Specifically, it gives receivers a way to provide low-rate feedback to the transmitter on the same frequency as that of the backscatter transmissions, using neither multiple antennas nor power-consuming  ...  Acknowledgements: We would like to thank Matt Reynolds for helpful discussions during the design of Full-duplex Backscatter's hardware and the anonymous MOBICOM reviewers for their helpful comments.  ... 
doi:10.1145/2639108.2639136 dblp:conf/mobicom/LiuTG14 fatcat:er3d37ggc5hjvpo2vckxs7fifi

Full-Duplex Backscatter Interference Networks Based on Time-Hopping Spread Spectrum [article]

Wanchun Liu, Kaibin Huang, Xiangyun Zhou, Salman Durrani
2017 arXiv   pre-print
This motivates: (i) the design of full-duplex WIT to reduce latency and enable efficient spectrum utilization, and (ii) the implementation of passive IoT devices using backscatter antennas that enable  ...  This issue is addressed in this paper by proposing the design of full-duplex backscatter communication (BackCom) networks, where a novel multiple-access scheme based on time-hopping spread-spectrum (TH-SS  ...  Note that unlike the conventional active full-duplex transceiver, the full-duplex tag's transmission and reception are passive backscattering based and energy detection based, respectively.  ... 
arXiv:1609.00062v2 fatcat:ipmttczupng2dahkw5jbtosc34

Full-Duplex Backscatter Communications in Symbiotic Radio Systems

Ruizhe Long, Huayan Guo, Lin Zhang, Ying-Chang Liang
2019 IEEE Access  
INDEX TERMS Symbiotic radio, backscatter communication, Internet-of-Things (IoT), full-duplex, optimization.  ...  In this paper, we are interested in a symbiotic radio (SR) system, in which a passive full-duplex backscatter device (BD) is parasitic in an active primary transmission.  ...  In [8] , a special backscatter communication is implemented in a full-duplex BD.  ... 
doi:10.1109/access.2019.2898474 fatcat:sokuwpsvlvdxjed7qhchyga75a

Backscatter Modulation in Full-Duplex Two-Way Wireless Communications

2013 Journal of Purdue Undergraduate Research  
The objective of this investigation is to determine the feasibility of using backscatter modulation for full-duplex communications in which a node transmits and receives at the same time and on the same  ...  The two combined results allow us to conclude that there are potentially significant benefits to be gained from including full-duplex BM in indoor communication systems.  ...  The objective of this investigation is to determine the feasibility of using backscatter modulation for full-duplex communications in which a node transmits and receives at the same time and on the same  ... 
doi:10.5703/1288284315155 fatcat:sbmwoospgfgz7m6a5nvdzu4kdy

Full-duplex ambient backscatter with physical layer network coding

Baoyi Xu, Zheng Xiang, Peng Ren, Xiaomeng Guo
2020 IET Communications  
To solve the problem of simultaneous transceiving, full-duplex (FD) and self-interference cancellation (SIC) in the ambient backscatter communication were discussed in [19] [20] [21] .  ...  This study addresses the questions of full-duplex (FD) and self-interference cancellation (SIC) for ambient backscatter which adopts dual-antenna structure to achieve persistent information transmission  ...  The overall throughput of the HD system is derived as 2N 2NT S = 1 T S . (24) Therefore, the actual throughput (correctly recovered bits) in HD is THR HD = 1 − BER HD T S . (25) Full-duplex: Recall that  ... 
doi:10.1049/iet-com.2019.1302 fatcat:kvxl6ljmhjfgdmrrhmbiz2ttg4

Optimal Channel Estimation for Reciprocity-Based Backscattering With a Full-Duplex MIMO Reader

Deepak Mishra, Erik G. Larsson
2019 IEEE Transactions on Signal Processing  
In this work we investigate the efficacy of a full-duplex multiple-input-multiple-output (MIMO) reader for enhancing the limited communication range of monostatic BSC systems.  ...  Backscatter communication (BSC) technology can enable ubiquitous deployment of low-cost sustainable wireless devices.  ...  can be much efficiently suppressed [9] in monostatic full-duplex BSC systems [10] .  ... 
doi:10.1109/tsp.2019.2893859 fatcat:fyxe6dmkovht5fskke73m4onnm

Optimal Resource Allocation in Full-Duplex Ambient Backscatter Communication Networks for Green IoT [article]

Gang Yang and Dongdong Yuan and Ying-Chang Liang
2018 arXiv   pre-print
This paper considers an AmBC network in which a full-duplex access point (FAP) simultaneously transmits downlink orthogonal frequency division multiplexing (OFDM) signals to its legacy user (LU) and receives  ...  Ambient backscatter communication (AmBC) enables wireless-powered backscatter devices (BDs) to transmit information over ambient radio-frequency (RF) carriers without using an RF transmitter, and thus  ...  AmBC system with co-located backscatter receiver and legacy receiver [7] , [8] , and the full-duplex AmBC system with co-located backscatter receiver and ambient transmitter [9] .  ... 
arXiv:1805.01365v1 fatcat:adsw6aqzbreczd7kgr655wktoq

Full-Duplex Backscatter Interference Networks Based on Time-Hopping Spread Spectrum

Wanchun Liu, Kaibin Huang, Xiangyun Zhou, Salman Durrani
2017 IEEE Transactions on Wireless Communications  
This motivates: (i) the design of full-duplex wireless IT to reduce latency and enable efficient spectrum utilization, and (ii) the implementation of passive IoT devices using backscatter antennas that  ...  This issue is addressed in this paper by proposing the design of full-duplex backscatter communication (BackCom) networks, where a novel multiple-access scheme based on time-hopping spread-spectrum (TH-SS  ...  Note that unlike the conventional active full-duplex transceiver, the full-duplex tag's transmission and reception are passive backscattering based and energy detection based, respectively.  ... 
doi:10.1109/twc.2017.2697864 fatcat:r6ub5j5fijf7tnsot7m5nab4ny

Optimal Resource Allocation in Full-Duplex Ambient Backscatter Communication Networks for Wireless-Powered IoT [article]

Gang Yang and Dongdong Yuan and Ying-Chang Liang and Rui Zhang and Victor C. M. Leung
2018 arXiv   pre-print
This paper considers an ambient backscatter communication (AmBC) network in which a full-duplex access point (FAP) simultaneously transmits downlink orthogonal frequency division multiplexing (OFDM) signals  ...  to its legacy user (LU) and receives uplink signals backscattered from multiple BDs in a time-division-multiple-access manner.  ...  In this paper, we consider a full-duplex AmBC network (F-ABCN) over ambient OFDM carriers as shown in Fig. 1 , consisting of a full-duplex access point (FAP) with two antennas for simultaneous signal  ... 
arXiv:1806.06598v1 fatcat:pgctasgyybf27c2esnmtxpe4aq

Fairness-Aware Resource Allocation in Full-Duplex Backscatter-Assisted Wireless Powered Communication Networks

Rui Jiang, Meihua Liu, Xiaoming Wang, Youyun Xu
2021 Wireless Communications and Mobile Computing  
In this paper, we introduce a full-duplex backscatter-assisted wireless powered communication network (FDBA-WPCN) with a full-duplex access point (FAP) and multiple energy harvesting wireless devices (  ...  The communication mode is a combination of backscatter communication (BC) and harvest-then-transmit (HTT).  ...  Figure 1 : 1 Multi-WD full-duplex backscatter-assisted wireless powered communication networks (FDBA-WPCN). Figure 2 : 2 Time design of the FDBA-WPCN system.  ... 
doi:10.1155/2021/8842562 doaj:778a55eaa648447fa21de9cd9f87f795 fatcat:46rd32vocrexnilmz2afi2figu

Spatial degrees-of-freedom in large-array full-duplex: the impact of backscattering

Evan Everett, Ashutosh Sabharwal
2016 EURASIP Journal on Wireless Communications and Networking  
may nullify the net benefit of operating in full-duplex mode.  ...  The key challenge for in-band full-duplex wireless communication is managing self-interference.  ...  is Thus, the full-duplex spatial isolation region is strictly larger than the half-duplex time-division region unless the forward interval and the backscattering interval are perfectly overlapped.  ... 
doi:10.1186/s13638-016-0781-3 fatcat:vfv4swinyzdmzfw6a25qfhikka

Power Resource Optimization for Backscatter-Aided Symbiotic Full-Duplex Secondary Transmission with Hardware Impairments in a Cognitive Radio Framework

Derek Kwaku Pobi Asiedu, Ji-Hoon Yun
2022 Sensors  
This paper investigates the power resource optimization problem for a new cognitive radio framework with a symbiotic backscatter-aided full-duplex secondary link under imperfect interference cancellation  ...  Simulation results show that the sum rate and exploitation of the full-duplex capability of the secondary link are strongly affected by both the problem objective and hardware impairments.  ...  With the advent of single-channel, full-duplex (FD) communication technology, FD-and BC-based SLs have been evaluated in several research works [11, 13] .  ... 
doi:10.3390/s22010375 pmid:35009916 pmcid:PMC8749626 fatcat:ocnq4fgjxndanp5pjbhowcdlkm

Scanning the Literature

Xiaohua Tian
2021 IEEE Network  
To address this, the authors design the first long-range full-duplex LoRa backscatter reader.  ...  simple deployment of a full-duplex system.  ...  Simplifying Backscatter Deployment: Full-Duplex LoRa Backscatter M. Katanbaf, A. Weinand, V.  ... 
doi:10.1109/mnet.2021.9520370 fatcat:dfpkri6uzfd7nfggn3qpkjduru
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