Journal ArticleIEEE Journal of Solid-State Circuits · July 1, 2024
The self-interference (SI) channels in full-duplex (FD) radios have large nano-second-scale delay spreads, which poses a significant challenge in designing SI cancelers that can emulate the SI channel over wide bandwidths. Passive implementations of high d ...
Full textCite
ConferenceACM MobiCom 2024 - Proceedings of the 30th International Conference on Mobile Computing and Networking · May 29, 2024
Beyond-5G and 6G wireless networks exploit the millimeter-wave (mmWave) frequency bands to achieve significantly improved data rates, and existing mmWave systems rely on analog single-user beamforming (SUBF) or hybrid multi-user beamforming (MUBF). In this ...
Full textCite
Journal ArticleJournal of Lightwave Technology · February 15, 2024
Recent advances in optical fiber sensing have enabled telecom network operators to monitor their fiber infrastructure while generating new revenue in various application scenarios including data center interconnect, public safety, smart cities, and seismic ...
Full textCite
Journal ArticleJournal of Optical Communications and Networking · February 1, 2024
There are increasing requirements for data center interconnection (DCI) services, which use fiber to connect any DC distributed in a metro area and quickly establish high-capacity optical paths between cloud services and mobile edge computing and the users ...
Full textCite
Journal ArticleProceedings of the IEEE · January 1, 2024
The relentless demand for data in our society has driven the continuous evolution of wireless technologies to enhance network capacity. While current deployments of 5G have made strides in this direction using massive multiple-input–multiple-output (MIMO) ...
Full textCite
Journal ArticleJournal of Optical Communications and Networking · January 1, 2024
We propose methods and an architecture to conduct measurements and optimize newly installed optical fiber line systems semi-automatically using integrated physics-aware technologies in a data center interconnection (DCI) transmission scenario. We demonstra ...
Full textCite
ConferenceProceedings of the International Symposium on Mobile Ad Hoc Networking and Computing (MobiHoc) · October 23, 2023
Next-generation Wi-Fi systems embrace large signal bandwidth to achieve significantly improved data rates, while requiring efficient methods for network monitoring and spectrum sharing applications. A radio receiver (RX) operating at low sampling rates can ...
Full textCite
ConferenceProceedings of the International Symposium on Mobile Ad Hoc Networking and Computing (MobiHoc) · October 23, 2023
Future wireless networks need to support the increasing demands for high data rates and improved coverage. One promising solution is sectorization, where an infrastructure node (e.g., a base station) is equipped with multiple sectors employing directional ...
Full textCite
ConferenceACM WiNTECH 2023 - Proceedings of the 2023 17th ACM Workshop on Wireless Network Testbeds, Experimental Evaluation and Characterization, Part of MobiCom 2023 · October 6, 2023
Baseband processing is one of the most time-consuming and computationally expensive tasks in radio access networks (RANs), which is typically realized in dedicated hardware. The concept of virtualizing the RAN functions by moving their computation to edge ...
Full textCite
Journal ArticleComputer Networks · October 1, 2023
While millimeter-wave (mmWave) wireless has recently gained tremendous attention with the transition to 5G, developing a broadly accessible experimental infrastructure will largely facilitate the research and allow the community to make significant progres ...
Full textCite
Journal ArticleJournal of Optical Communications and Networking · September 1, 2023
Optical networks satisfy high bandwidth and low latency requirements for telecommunication networks and data center interconnection. To improve network resource utilization, machine learning (ML) is used to accurately model optical amplifiers such as erbiu ...
Full textCite
Journal ArticleIEEE/ACM Transactions on Networking · August 1, 2021
Full-duplex (FD) wireless and phased arrays are both promising techniques that can significantly improve data rates in future wireless networks. However, integrating FD with transmit (Tx) and receive (Rx) phased arrays is extremely challenging, due to the ...
Full textCite
Journal ArticleIEEE Transactions on Antennas and Propagation · June 1, 2021
Path gain and effective directional gain in azimuth in urban canyons from actual rooftop base station sites are characterized based on a massive data set of 3000 links on 12 streets in two cities, with over 21 million individual continuous-wave power measu ...
Full textCite
Journal ArticleIEEE Journal of Solid-State Circuits · May 1, 2021
Wideband self-interference cancellation (SIC) in full-duplex (FD) radios requires the achievement of large delays to accurately emulate the SI channel. However, compact, power-efficient, low-loss/noise/distortion nanosecond-scale delays are extremely chall ...
Full textCite
Journal ArticleIEEE Open Journal of the Communications Society · January 1, 2021
Full-duplex (FD) wireless - simultaneous transmission and reception on the same frequency - is a promising technique that can significantly improve spectrum efficiency and reduce communication latency in future wireless networks. To enable FD operation, th ...
Full textCite
Journal ArticleIEEE Journal of Solid-State Circuits · December 1, 2020
There has been significant recent progress in the implementation of integrated non-reciprocal components based on linear periodically time-varying (LPTV) circuits. Nevertheless, integrated circulators still require a leap forward in power handling, clock p ...
Full textCite
Journal ArticleIEEE/ACM Transactions on Networking · April 1, 2020
Full-duplex (FD) wireless is an attractive communication paradigm with high potential for improving network capacity and reducing delay in wireless networks. Despite significant progress on the physical layer development, the challenges associated with dev ...
Full textCite
Journal Article · December 3, 2018
Full-duplex (FD) wireless can significantly enhance spectrum efficiency but
requires tremendous amount of self-interference (SI) cancellation. Recent
advances in the RFIC community enabled wideband RF SI cancellation (SIC) in
integrated circuits (ICs) via ...
Link to itemCite
ConferenceProceedings - IEEE INFOCOM · October 8, 2018
Full-duplex (FD) wireless is an attractive communication paradigm with high potential for improving network capacity and reducing delay in wireless networks. Despite significant progress on the physical layer development, the challenges associated with dev ...
Full textCite
ConferenceDigest of Papers - IEEE Radio Frequency Integrated Circuits Symposium · August 7, 2018
In this paper, we show how phased-array beamforming can be synergistically combined with full-duplex (FD) to achieve wideband RF self-interference (SI) suppression with minimal link budget (transmitter (TX) and receiver (RX) array gain) penalty and with no ...
Full textCite
ConferenceINFOCOM 2018 - IEEE Conference on Computer Communications Workshops · July 6, 2018
In order to support experimentation with full-duplex (FD) wireless, we integrated an open-access FD transceiver with the ORBIT testbed [1]. In particular, an ORBIT node with a National Instruments (NI)/Ettus Research Universal Software Radio Peripheral (US ...
Full textCite
Journal ArticleIEEE/ACM Transactions on Networking · April 1, 2018
Wireless object-tracking applications are gaining popularity and will soon utilize emerging ultra-low-power device-to-device communication. However, severe energy constraints require much more careful accounting of energy usage than what prior art provides ...
Full textCite
Journal Article · January 9, 2018
In order to support experimentation with full-duplex (FD) wireless, we
recently integrated an open-access FD transceiver in the ORBIT testbed. In this
report, we present the design and implementation of the FD transceiver and
interfaces, and provide exampl ...
Link to itemCite
Conference2017 IEEE Conference on Computer Communications Workshops, INFOCOM WKSHPS 2017 · November 20, 2017
This demonstration presents a practical real-time full-duplex wireless link consisting of two full-duplex transceivers. Our prototyped full-duplex transceiver contains a custom-designed RF self-interference canceller and a National Instruments (NI) Univers ...
Full textCite
Conference2017 IEEE Wireless Communications and Networking Conference Workshops, WCNCW 2017 · May 3, 2017
Wireless object tracking applications are gaining popularity and will soon utilize emerging ultra-low-power device-to-device communication. However, severe energy constraints require much more careful accounting of energy usage than what prior art provides ...
Full textCite
ConferenceConference Record - Asilomar Conference on Signals, Systems and Computers · March 1, 2017
Full-duplex wireless is an exciting emerging wireless communication paradigm that also poses tremendous challenges at virtually every layer: from the antenna interface and integrated circuits (ICs) and systems to the network layer. This paper covers recent ...
Full textCite
Journal ArticleIEEE Communications Magazine · January 1, 2017
Full duplex wireless has drawn significant interest in the recent past due to the potential for doubling network capacity in the physical layer and offering numerous other benefits at higher layers. However, the implementation of integrated full duplex rad ...
Full textCite
ConferenceCoNEXT 2016 - Proceedings of the 12th International Conference on Emerging Networking EXperiments and Technologies · December 6, 2016
Wireless object tracking applications are gaining popularity and will soon utilize emerging ultra-low-power deviceto- device communication. However, severe energy constraints require much more careful accounting of energy usage than what prior art provides ...
Full textCite
Journal ArticleIEEE Journal on Selected Areas in Communications · December 1, 2016
Object tracking applications are gaining popularity and will soon utilize energy harvesting (EH) low-power nodes that will consume power mostly for neighbor discovery (ND) (i.e., identifying nodes within communication range). Although ND protocols were dev ...
Full textCite
ConferenceProceedings of the 14th ACM Conference on Embedded Networked Sensor Systems, SenSys 2016 · November 14, 2016
Object tracking applications are gaining popularity and will soon utilize energy harvesting low-power wireless nodes where power is mostly consumed for neighbor discovery. Such applications require the design and experimentation with low-power neighbor dis ...
Full textCite
ConferenceProceedings of the Annual International Conference on Mobile Computing and Networking, MOBICOM · October 3, 2016
Full-duplex (FD) communication can substantially improve spectrum efficiency in wireless networks. Designing higher layer algorithms (e.g., for power control and scheduling) tailored for FD requires taking into account the special characteristics of the ph ...
Full textCite
ConferenceProceedings - IEEE INFOCOM · July 27, 2016
Object tracking applications are gaining popularity and will soon utilize Energy Harvesting (EH) low-power nodes that will consume power mostly for Neighbor Discovery (ND) (i.e., identifying nodes within communication range). Although ND protocols were dev ...
Full textCite
ConferenceProceedings of the International Symposium on Mobile Ad Hoc Networking and Computing (MobiHoc) · July 5, 2016
A demonstration of a real-time full-duplex wireless link is presented, in which a pair of full-duplex transceivers perform simultaneous transmission and reception on the same frequency channel. A full-duplex transceiver is composed of a custom-designed sma ...
Full textCite
Journal ArticleIEEE Journal on Selected Areas in Communications · March 1, 2015
This paper studies online power control policies for outage minimization in a fading wireless link with energy harvesting transmitter and receiver. The outage occurs when either the transmitter or the receiver does not have enough energy, or the channel is ...
Full textCite
Conference2014 12th International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks, WiOpt 2014 · January 1, 2014
This paper addresses the outage minimization problem for a wireless link where both the transmitter and the receiver are powered by harvested energy, and the energy arrival processes of both nodes are correlated. We propose three power control policies to ...
Full textCite