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Pushing the limits of Full-duplex: Design and Real-time Implementation [article]

Achaleshwar Sahai, Gaurav Patel, Ashutosh Sabharwal
2011 arXiv   pre-print
In this report, we first design and implement a real-time 64-subcarrier 10 MHz full-duplex OFDM physical layer, FD-PHY.  ...  Recent work has shown the feasibility of single-channel full-duplex wireless physical layer, allowing nodes to send and receive in the same frequency band at the same time.  ...  FD-MAC evaluations on WARP In this section we evaluate the FD-MAC for a two node full-duplex exchange by implementing it on a real time full-duplex system designed using WARP.  ... 
arXiv:1107.0607v1 fatcat:xziifg6jnbbvhiz47vwflog4me

The LHCb eventbuilder: Design, implementation and operational experience

Markus Frank, Jean-Christophe Garnier, Clara Gaspar, Richard Jacobsson, Beat Jost, Guoming Liu, Niko Neufeld
2010 2010 17th IEEE-NPSS Real Time Conference  
The design of the event-builder will be shortly described, followed by a description of the implementation, the protocol used and the performance during first data taking.  ...  The destination assignment and dynamic load-balancing are facilitated by LHCb's Timing and Fast Control system.  ...  The estimated data-rate for such a PC was about 2.4 Gb/s full-duplex, which seemed not quite feasible with PCs available in 2005.  ... 
doi:10.1109/rtc.2010.5750352 fatcat:yfzlcupwgzeptfjugkhutpxeoy

Experiment-Driven Characterization of Full-Duplex Wireless Systems

Melissa Duarte, Chris Dick, Ashutosh Sabharwal
2012 IEEE Transactions on Wireless Communications  
cancellation is applied), the rate of a full-duplex link increases as the self-interference power increases.  ...  We present an experiment-based characterization of passive suppression and active self-interference cancellation mechanisms in full-duplex wireless communication systems.  ...  Pushing the Limits of Full-Duplex: Design and Real-Time Implementation. Tech. Report 2011. Rice University.  ... 
doi:10.1109/twc.2012.102612.111278 fatcat:sapdfj5jpbaofjvbxq6grsjmx4

Full-Duplex Mobile Device - Pushing the Limits [article]

Dani Korpi, Joose Tamminen, Matias Turunen, Timo Huusari, Yang-Seok Choi, Lauri Anttila, Shilpa Talwar, Mikko Valkama
2016 arXiv   pre-print
These findings indicate that deploying the full-duplex principle can indeed be feasible also in mobile devices, and thus be one potential technology in, e.g., 5G and beyond radio systems.  ...  In this article, we address the challenges of transmitter-receiver isolation in mobile full-duplex devices, building on shared-antenna based transceiver architecture.  ...  However, limiting the full-duplex operation only to the BS side does not obviously capitalize the full potential of the full-duplex principle.  ... 
arXiv:1410.3191v3 fatcat:2uyhc6p2effnhdkcccewcs5wky

Millimeter-wave full duplex radios

Vaibhav Singh, Susnata Mondal, Akshay Gadre, Milind Srivastava, Jeyanandh Paramesh, Swarun Kumar
2020 Proceedings of the 26th Annual International Conference on Mobile Computing and Networking  
We present mmFD, the first comprehensive system design of a mm-wave full-duplex platform. mmFD achieves large self-interference cancellation through novel designs at the antenna, analog and digital frontends  ...  Full-Duplex has the potential to double the available capacity in the mm-wave bands by enabling simultaneous radio transmission and reception.  ...  Acknowledgements: We thank the shepherd and reviewers for their insightful feedback which helped improve this paper. We also thank all the members of the WiTech Lab at CMU for their valuable inputs.  ... 
doi:10.1145/3372224.3380879 dblp:conf/mobicom/SinghMGSPK20 fatcat:algx2rvo3jfxbmtievjm5zq7dq

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.  ...  achieve 78 dB of self-interference cancellation and build a low-cost, long-range, and small-form-factor Full-Duplex LoRa Backscatter reader.  ...  Acknowledgments The authors would like to thank Aaron Parks, Jonathan Hamberg, and Ye Wang for their help. We would also like to thank the anonymous reviewers as well as our shepherd, Prof.  ... 
arXiv:2011.03952v1 fatcat:svlr22upinf2ldnkacmsazgdwa

Analog/RF Solutions Enabling Compact Full-Duplex Radios

Bjorn Debaillie, Dirk-Jan van den Broek, Cristina Lavin, Barend van Liempd, Eric A. M. Klumperink, Carmen Palacios, Jan Craninckx, Bram Nauta, Aarno Parssinen
2014 IEEE Journal on Selected Areas in Communications  
The electrical balance circuit can be implemented scaled CMOS technology, facilitating low-cost and dense integration.  ...  The second design proposal targets even more compact radio devices such as smartphones and sensor network nodes.  ...  Second, due to real-time variations in the antenna impedance, a fast enough (milli-second time delay) tracking algorithm must be implemented to guarantee the isolation characteristics at a given frequency  ... 
doi:10.1109/jsac.2014.2330171 fatcat:o64waxek6jcyhat3hugnfr6yoq

Passive Self-Interference Suppression for Full-Duplex Infrastructure Nodes

Evan Everett, Achaleshwar Sahai, Ashutosh Sabharwal
2014 IEEE Transactions on Wireless Communications  
These results suggest two design implications: (1) deployments of full-duplex infrastructure nodes should minimize near-antenna reflectors, and (2) active cancellation in concatenation with passive suppression  ...  Recent research results have demonstrated the feasibility of full-duplex wireless communication for short-range links.  ...  up-converted and transmitted over-the-air at 2.4 GHz in real time.  ... 
doi:10.1109/twc.2013.010214.130226 fatcat:ufh77c2lq5dkvntvdop7x64nye

Full-Duplexing with SDR Devices: Algorithms, FPGA Implementation and Real-Time Results

Lauri Anttila, Vesa Lampu, Seyed Ali Hassani, Pablo Pascual Campo, Dani Korpi, Matias Turunen, Sofie Pollin, Mikko Valkama
2020 IEEE Transactions on Wireless Communications  
In this paper, we present a novel nonlinear digital self-interference canceller algorithm, its implementation details on a software-defined radio (SDR) platform, and performance results of real-time full-duplex  ...  The canceller is implemented on an FPGA as a part of an OFDM transceiver testbed for real-time measurements.  ...  Therefore, full-duplex technology is of great interest when designing and building next-generation wireless systems and networks.  ... 
doi:10.1109/twc.2020.3040226 fatcat:v2rlkapbjzaddkn6i5of7asfvq

System-Level Design of a Full-Duplex Wireless Transceiver for Brain–Machine Interfaces

Hadi Bahrami, S. Abdollah Mirbozorgi, An T. Nguyen, Benoit Gosselin, Leslie A. Rusch
2016 IEEE transactions on microwave theory and techniques  
We propose a full-duplex transceiver architecture that shares one antenna for both ultra-wideband (UWB) and the 2.45 GHz ISM band.  ...  Index Terms-Neural recording and stimulating, Full-Duplex, Downlink, Uplink, Ultra-wideband (UWB), ISM, Brain machine interface.  ...  Typically circulators or diplexers are used to implement a full-duplex transceiver (FDT) [22] [23] [24] [25] [26] [27] .  ... 
doi:10.1109/tmtt.2016.2600301 fatcat:c2ntneb7i5chjlvmxjgnxfxv4q

Full-duplex self-backhauling for small-cell 5G networks

Renaud-Alexandre Pitaval, Olav Tirkkonen, Risto Wichman, Kari Pajukoski, Eeva Lahetkangas, Esa Tiirola
2015 IEEE wireless communications  
Antenna design, as well as cancelation in radio frequency and digital domains at a FD relay enables reuse of the same resources for backhaul and access hops.  ...  Self-backhauling is particularly efficient when coupled with full-duplex (FD) relaying.  ...  Acknowledgement The authors would like to thank Mr. Karol Schober and Mr. Ilkka Harjula for participating in the development of the simulator.  ... 
doi:10.1109/mwc.2015.7306541 fatcat:7t6oaxrlcbe2jftxzhioreo764

Blind Source Separation For Full-Duplex Systems: Potential and Challenges

Mohammed E. Fouda, Chung-An Shen, Ahmed Eltawil
2021 IEEE Open Journal of the Communications Society  
Full-duplex communications systems that transmit and receive simultaneously suffer self-interference due to the mixing of the transmitted signal and the weaker received signal at the same node.  ...  Practical limitations are discussed and experimental results that compare ICA to traditional Least Square approaches are presented, showing the superiority of ICA, especially in low SNR regimes. )  ...  ACKNOWLEDGMENT The authors gratefully acknowledge partial support from the National Science Foundation under award number 1710746.  ... 
doi:10.1109/ojcoms.2021.3086105 fatcat:nw5y4hiobffsldjmr4reb4j77u

On self-interference suppression methods for low-complexity full-duplex MIMO

Alexios Balatsoukas-Stimming, Pavle Belanovic, Konstantinos Alexandris, Andreas Burg
2013 2013 Asilomar Conference on Signals, Systems and Computers  
Extending these setups, we present a low complexity implementation of a 2 × 2 full-duplex MIMO node, which achieves even higher suppression than the single-chain counterparts.  ...  Full-duplex wireless communication offers improved spectral efficiency, as well as more efficient relaying and medium access, but requires suppression of self-interference.  ...  LOW-COMPLEXITY FULL-DUPLEX MIMO In this section we discuss self-interference suppression in the context of MIMO and we present our low-complexity 2 × 2 FD-MIMO implementation using the Rice architecture  ... 
doi:10.1109/acssc.2013.6810439 dblp:conf/acssc/Balatsoukas-StimmingBAB13 fatcat:bkslwbgmrbbkdm7e3iuuc7pgpu

Digitally Assisted RF-Analog Self Interference Cancellation for Wideband Full-Duplex Radios

Brynn King, Jingjing Xia, Slim Boumaiza
2018 IEEE Transactions on Circuits and Systems - II - Express Briefs  
The main challenge that is presented in the implementation of a full-duplex radio is the high power transmitter leaking to the sensitive receiver chain and masking the desired receive signal to be decoded  ...  This thesis reviews the previously proposed self interference cancellation topologies, system non-idealities that provide challenges for full-duplex implementation, and the realization of the proposed  ...  The entire Emerging Radio Systems Group (EmRG) consists of intelligent, kind and helpful members who I have also learned a lot from and enjoyed working with.  ... 
doi:10.1109/tcsii.2017.2736252 fatcat:a63dedyltrfcnnafoz7ludhnwy

Design and evaluation of a wideband Full-Duplex OFDM system based on AASIC

Zhaowu Zhan, Guillaume Villemaud, Jean-Marie Gorce
2013 2013 IEEE 24th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC)  
Existing methods of self-interference cancellation have greatly reduced the strong self-interference signal for the practical design of Full-Duplex (FuDu) wireless systems.  ...  The comparison of the spectrum power of signals before and after the AASIC and the bite error rate (BER) performance of the FuDu OFDM wireless system show that the strong self-interference can be significantly  ...  These provide the opportunity to push the concept of full-duplex (FuDu) into reality.  ... 
doi:10.1109/pimrc.2013.6666106 dblp:conf/pimrc/ZhanVG13 fatcat:6fvivyhqdncmxa36tzw52zrheq
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