Park and Kumar Granted a US Patent for a Computationally Efficient Method for Providing Privacy-Preserving Authentication
Drs. Jerry Park and Vireshwar Kumar (Virginia Tech alumnus and Park’s former PhD advisee) are the co-inventors of a US patent, entitled “Group signatures with probabilistic revocation (US Patent No. 10,326,602),” that was recently published by the US Patent & Trademark Office. Digital group signatures is an elegant, but computationally expensive, method for providing privacy-preserving authentication in a number of emerging applications, including vehicle-to-everything (V2X) safety applications, electronic voting, electronic auctions, etc. The primary drawback of group signature schemes, which is limiting their application to commercial products, is the high computational complexity of their revocation procedure. The revocation procedure, which is a critical part of group signatures, is needed to revoke outdated or invalid keys. In this patent, the inventors describe a novel revocation procedure whose computational complexity is much lower compared to that of the prior art. Significant computational efficiency is achieved by employing a novel, probabilistic algorithm for evaluating the revocation status of each group signature.
Dr. Bian receives a 2018 IEEE ComSoc Asia-Pacific Outstanding Young Researcher Award
The IEEE Communications Society (ComSoc) recently selected Prof. Kaigui Bian — an alumnus of the WiNSeR Lab @ Virginia Tech (graduated with a Ph.D. in 2011) — as one of the recipients of the prestigious 2018 IEEE ComSoc Asia-Pacific Outstanding Young Researcher Award with the citation “for contributions to research on dynamic spectrum sharing.” The award was established in 2001 with the aim of honoring young researchers, aged 35 or below in the Asia-Pacific area, who have been outstanding scholars and active in IEEE ComSoc publications and conference activities over the last three years. This year, six young scientists have been selected for this award, and the award ceremony will be held at the 2018 IEEE GlobeCom conference.
Dr. Bian is currently an Associate Professor and the Associate Director of the Institute of Network Computing and Information Systems (NCIS) at the School of EECS, Peking University, China. His research areas include dynamic spectrum sharing and mobile sensing, and his works in those areas have been highly cited. Dr. Bian currently serves as an Editor for IEEE Transactions on Vehicular Technology and as an Associate Editor for IEEE Access.
NSF Awards Phase II Grants to the Partner Universities of the Broadband Wireless Access & Applications Center (BWAC)
The National Science Foundation (NSF) recently awarded Phase II grants to the BWAC partner university sites, including Virginia Tech. The Broadband Wireless Access & Applications Center (BWAC) is a multi-university research center sponsored by NSF under its Industry-University Cooperative Research Center (I/UCRC) program. The total funding amount of Virginia Tech’s grant is $681K with a start date of October 1, 2018. The Virginia Tech Site is led by its Site Director, Dr. Jerry Park. In Phase II, BWAC will expand its research footprint to address timely and industry-relevant challenges in wireless communications and networking. The research thrusts of the Virginia Tech site include spectrum sharing among heterogeneous wireless technologies, security and privacy in emerging wireless technologies, and medium access control for emerging wireless technologies. The researchers at Virginia Tech will investigate challenging problems in the aforementioned thrusts with a particular focus on problems that are critical to emerging technologies and applications, such as autonomous or connected vehicles, Internet-of-Things (IoT), automated spectrum management systems for federal-commercial spectrum sharing, and unmanned aircraft systems (UAS).
Virginia Tech-University of Arizona Team Receives a Grant from NSF to Develop Countermeasures for UAS Encroaching on Restricted Airspace
A team composed of Dr. Jerry Park (Co-PI) and four other researchers has been awarded a grant by the National Science Foundation (NSF) to study reliable and practical approaches for detecting, identifying, and bringing down Unmanned Aircraft Systems (UAS) that violate controlled/restricted airspace in an automated, controlled, and reliable manner. This award is a three year grant with a total budget of $1.2 million.
Jerry Park from Virginia Tech and Amir Herzberg from the University of Connecticut will serve as the Technical Program Committee Co-Chairs for the 2019 IEEE Conference on Communications and Network Security (CNS). CNS is a premier forum for cyber security researchers, practitioners, policy makers, and users to exchange ideas, techniques and tools, raise awareness, and share experiences related to all practical and theoretical aspects of communications and network security. The conference seeks submissions from academia, government, and industry that present innovative ideas and novel research results in communications and network security.
Bhattarai Successfully Defends His PhD Dissertation
Sudeep Bhattarai, Dr. Park’s PhD advisee, successfully defended his Ph.D. dissertation entitled “Spectrum Efficiency and Security in Dynamic Spectrum Sharing” on Feb. 22, 2018. The key goal of his dissertation research was to investigate methods and apparatus for improving the overall performance of a dynamic spectrum-sharing ecosystem. Specifically, Bhattarai proposed novel frameworks for improving the efficiency of spectrum utilization and techniques for ensuring the operational security of the incumbent users. In his dissertation, Bhattarai demonstrated the performance of his proposed ideas by providing results from extensive simulations and real-world case studies. Studies of this kind contribute to the body of knowledge that is critically needed to develop and deploy innovative technologies for enabling users with different access priorities to share the spectrum harmoniously without sacrificing performance.
Bhattarai will be joining Apple Inc. in July as a wireless software engineer.
Ford Awards a Project to Park and Reed to Study Vehicle-to-Everything (V2X) Technologies and Their Coexistence
The Ford Motor Company recently awarded Profs. Jerry Park (PI) and Jeff Reed (co-PI) a new contract for a two year project. The primary goal of this project is to study the impact of coexistence on network performance in the hypothesized scenario in which Dedicated Short-Range Communications (DSRC), Cellular V2X (C-V2X), and Wi-Fi coexist in the 5.9 GHz Intelligent Transportation System (ITS) band. The investigators will also develop novel techniques for enabling harmonious coexistence between C-V2X (a.k.a. LTE-V), DSRC, and Wi-Fi. The performance of C-V2X and DSRC technologies will be assessed in various coexistence scenarios using analytical models and NS-3 simulations.
Dr. Park Appointed to the IEEE DySPAN’s Steering Committee as Its Co-Chair
Prof. Jerry Park has been appointed to serve as the Steering Committee Co-Chair of the IEEE International Symposium on Dynamic Spectrum Access Networks (DySPAN). DySPAN is one of the core conferences sponsored by the IEEE Communications Society, and it serves as a locus for discussing and exploring advanced spectrum access technologies. The Steering Committee is the leadership and governance body authorized to oversee the activities of the Conference. The ECE news article is available here.
Prof. Jerry Park has been awarded a 2017 Virginia Tech College of Engineering Dean’s Award for Research Excellence. He was recognized for his highly visible work in dynamic spectrum sharing and wireless security.
The IEEE Fellow Committee has selected Dr. Jerry Park for promotion to the grade of IEEE Fellow. The IEEE Grade of Fellow is conferred by the IEEE Board of Directors upon a person with an outstanding record of accomplishments in any of the IEEE fields of interest. The total number selected in any one year cannot exceed one-tenth of one- percent of the total voting membership. IEEE Fellow is the highest grade of membership and is recognized by the technical community as a prestigious honor and an important career achievement. Park is being recognized for his contributions to dynamic spectrum sharing, cognitive radio networks, and security issues.
The IEEE is the world’s leading professional association for advancing technology for humanity. Through its 400,000 plus members in 160 countries, the association is a leading authority on a wide variety of areas ranging from aerospace systems, computers and telecommunications to biomedical engineering, electric power and consumer electronics. Dedicated to the advancement of technology, the IEEE publishes 30 percent of the world’s literature in the electrical and electronics engineering and computer science fields, and has developed more than 1300 active industry standards. The association also sponsors or co-sponsors nearly 1700 international technical conferences each year.
Wireless @ Virginia Tech Student Sudeep Bhattarai Contributes in the Design and Deployment of the First Prototype ESC
Sudeep Bhattarai, a PhD student advised by Professor Jerry Park in the Department of Electrical and Computer Engineering, actively contributed in the design, development and deployment of the first prototype Environmental Sensing Capability (ESC) in San Francisco during his summer research at Google. This deployment is the first step towards enabling shared usage of 150 MHz of the radio spectrum in the 3.5 GHz band, also known as the Citizens Broadband Radio Service (CBRS) band.
The U.S. Federal Communications Commission (FCC) has recently opened the 3.5 GHz band for sharing between the Navy’s shipborne radars (incumbent users) and broadband communication systems (CBRS devices). A fundamental requirement for shared use of this band is that a dedicated network of sensors called ESCs must detect incumbent operations and alert the spectrum manager. The spectrum manager for the CBRS band is called the Spectrum Access System (SAS). SAS maintains orderly use of the band while protecting incumbents and coordinating spectrum use among CBRS devices. Upon receiving an alert from the ESC, the SAS reconfigures CBRS devices under its control to avoid harmful interference to the Navy radar.
Google, among others, has applied to the FCC to operate both a SAS and an ESC, and has been actively developing software and hardware capabilities to detect incumbent radars. The goal is to deploy a network of ESCs along the U.S. coastline and allow CBRS devices to operate in the coastal areas provided that they do not cause harmful interference to the incumbent users.
Wireless@VT research group had a strong performance in the recent round of NSF awards. The following is a list of awards already made by the NSF. You can read more at VT News.
- Jeff Reed (PI), Allen MacKenzie (Co-PI) and Vuk Marojevic (Co-PI)’s project “Implications of Receiver RF Front End Nonlinearity on Network Performance: Fundamentals, Limitations, and Management Strategies” was awarded a total of $830,356. The project focuses on overcoming limitations of low‐quality radio receivers that causes interference or are susceptible to interference.
- Carl Dietrich (PI), Jerry Park (Co-PI), Jeff Reed (Co-PI), and Vuk Marojevic (Co-PI) won an award totaling $600K to upgrade Virginia Tech’s Cognitive Radio Network Testbed (CORNET). This facility will be used to test new concepts in wireless access, including techniques that will use artificial intelligence to control the radios. The test bed will also be used for educational and outreach efforts to reach students and STEM professionals through demonstrations, conferences, and an annual international student design contest.
- Harpreet Dhillon (PI) and Walid Saad (Co-PI)’s project titled “Joint Backhaul and Radio Access Design for Heterogeneous Wireless Networks” was awarded $400K. The award will fund research for future cellular systems to support bandwidth‐intensive wireless applications such as mobile high‐definition video streaming though modeling based on microeconomic principles and geometric‐based coverage estimates.
- Tom Hou (PI) was awarded $400K for a project titled “Smart Interference Management for Wireless Internet of Things”. This project will study how to cope the potential interference in the coming Wireless Internet‐of‐Things (W‐IoT), which consists of billions of wireless devices and will support huge amounts of data traffic over the airwaves. This project will create and demonstrate a new approach for W‐IoT devices to automatically invoke and configure interference management techniques to ensure smooth wireless communications.
- Jerry Park (VT PI), in collaboration with Temple University and the University of Arizona, won $1.1M for a project titled “Coexistence of Heterogeneous Wireless Access Technologies in the 5 GHz Band.” VT’s portion in this project is $375K. This project aims to create solutions caused by interference of unlicensed‐LTE, Wi-Fi, and Dedicated Short‐Range Communications (DSRC) operating in the same band and generalize these solutions to new technologies beyond today’s LTE, Wi-Fi, and DSRC systems.
- All these awards on wireless research align with the Advanced Wireless Research Initiative that was announced by the White House on Friday, July 15, 2016.
Papers from Dr. Jerry Park’s Group Featured in IEEE Communications Society (ComSoc) Best Readings in Cognitive Radio (CR)
The IEEE Communications Society (ComSoc) has selected two papers from Dr. Jerry Park’s ARIAS (Advanced Research in Information Assurance and Security) research group for inclusion in the ComSoc’s Best Readings in Cognitive Radio (CR) list. The first paper entitled “Defense against primary user emulation attacks in cognitive radio,” written by R. Chen, J. Park and J. H. Reed was originally published in January 2008 in the IEEE Journal on Selected Areas in Communications. This paper systematically shows that “primary user emulation” attacks can result in severe interference and significantly reduce spectrum utilization. To address the problem, the authors propose a transmitter verification scheme that is able to identify whether a signal is being transmitted from primary users or not by using an estimate of the transmitter’s location and the characteristics of the signal itself.
The second paper entitled “Toward secure distributed spectrum sensing in cognitive radio networks,” was coauthored by R. Chen, J. Park, Y. T. Hou, and J. H. Reed, and was originally published in April, 2008 in the IEEE Communications Magazine. This paper introduced pioneering work on mitigating security threats such as incumbent emulation and spectrum sensing data falsification threats in cognitive radio networks. The paper also described countermeasures for addressing those threats. The IEEE ComSoc’s Best Readings in Cognitive Radio (CR) list is a recommended reading list of books, articles and papers on Cognitive Radio Communications and Networking that are of interest to the IEEE ComSoc readership. IEEE ComSoc’s Best Readings in Cognitive Radio (CR) list is available here.
Jerry Park Awarded Major NSF Grant To Address Dynamic Exclusion Zones in Radio Spectrum
The Federal Communications Commission is opening up bands of spectrum that were previously restricted to a few priority users, including the military. Virginia Tech College of Engineering professor Jung-Min “Jerry” Park is leading a $730,000 National Science Foundation grant collaboration with William Lehr from the Massachusetts Institute of Technology, to find ways to make this transition as smooth as possible. The FCC’s plans to provide incumbent users with a wide, insulating boundary, often called an exclusion zone, separating them from new users. In this type of environment, incumbent users have first dibs on the spectrum, and the secondary users can access what’s left over.
Park, of the Bradley Department of Electrical and Computer Engineering, and his collaborators intend to develop a new strategy supporting blueprints for flexible exclusion zones, or an adjustable boundary, that can respond dynamically to the incumbent protection requirements and the interference environment. In this way, incumbent users will still have safe, clear access to their frequencies, but secondary users will be able to make efficient use of the spectrum when it’s free. Read more
Jerry Park Elected to Serve on Executive Committee of the National Spectrum Consortium
Jerry Park, professor in the Department of Electrical and Computer Engineering, has been elected to a three-year term serving as an academia representative on the Executive Committee of the National Spectrum Consortium (NSC).
The NSC is a non-profit organization formed in 2014, whose mission is to improve collaboration between industry, government, and academia to advance research and development of technologies to better use the electromagnetic spectrum. The Executive Committee is the NSC leadership and governance body authorized to oversee the activities of the Consortium.
New wireless technologies and applications have skyrocketed the demand for spectrum, which is a finite natural resource. The ability to efficiently manage that resource is critical to the national economy and the military’s ability to secure wireless communications. The NSC has signed a $1.25 billion, five-year contract with the Office of the Deputy Assistant Secretary of Defense, Emerging Capabilities and Prototyping Office, to develop a research and development program designed to maximize utilization of the spectrum by broadening the commercial use of available spectrum while protecting the U.S. military’s access to select radio frequencies.
As an Executive Committee member of the NSC, Park will work with the other members of the committee to develop policy to govern the development of research and business opportunities that will meet the Consortium’s goal. Over $500 million dollars will be available to help Consortium members finance and advance the research and development, and transfer the resulting technology to the marketplace.
Jerry Park is the associate director for affiliate relations of Wireless @ Virginia Tech, a research group within the Bradley Department of Electrical and Computer Engineering, dedicated to the development of wireless technology, as well as the site director of the Broadband Wireless Access and Applications Center (BWAC), an NSF-funded Industry-University Cooperative Research Center (I-UCRC) whose primary mission is to advance research collaboration between researchers in academia and industry partners and promote the transfer of technology from universities to the industry. ECE Link
Dr. Jerry Park Receives CISCO Grant
Jerry Park recently received a Cisco Faculty Research Award. The title of the project is “Anonymity-Preserving Authentication for Large Networks”. Cisco Research Awards are one-year awards structured as unrestricted gifts to universities to support the work of faculty members that are working on innovative solution approaches to challenging problems in networking, programmable networks, and cybersecurity.
In many network applications, we need to be able to authenticate the data while, at the same time, protect the anonymity or privacy of the data source—in other words, anonymity-preserving authentication (APA) is needed. Existing approaches for APA have limited utility in large networks due to their high computational complexity and/or high communication overhead. Park and his team will investigate novel approaches for APA and study the performance and security requirements of a number of important applications which require APA.
Next BWAC Board Meeting November 3 – 4, 2015 at the University of Mississippi
The next board meeting for the BWAC board of directors is at the University of Mississippi, in Oxford, Mississippi. Also known as Ole Miss, the university is a 75 minute drive from the Memphis International Airport in Tennessee. Complete details including hotel reservation information and agenda are available at the University of Mississippi website here.
Drs. Jeff Reed and Jerry Park Awarded a Grant to Organize the Second Enhancing Access to the Radio Spectrum (EARS) Workshop
Drs. Jeff Reed (PI) and Jerry Park (co-PI) have been awarded a grant by NSF to organize a major workshop on Enhancing Access to the Radio Spectrum (EARS). This EARS Workshop will be held on October 19-20, 2015 in Arlington, VA. At this workshop, an interdisciplinary group of highly-visible academic researchers, relevant federal government officials, and industry stakeholders will gather to discuss technologies and polices that will enable us to unlock the true potential of the spectrum while respecting the needs of incumbent users. This group will create a vision for future spectrum use, identifying the problems to be overcome, the research needed to overcome these problems, and the financial and human capital resources necessary to support this vision.
Dr. Jerry Park is Awarded a Major Grant from NSF to Study Intelligent Vehicular Technologies
Wireless @ Virginia Tech faculty member and BWAC Site Director, Dr. Jung-Min “Jerry” Park is a co-PI of a major NSF grant titled “Advanced materials manufacturing, sensing, and wireless controls for intelligent automobile environments” with a total budget of $1.15M. This project will involve research collaboration between Prof. Park, Prof. S. Taheri (PI) and Prof. S. Priya , both faculty members of Virginia Tech’s Department of Mechanical Engineering, and Prof. M.R. Hajj , faculty member of Virginia Tech’s Department of Biomedical Engineering and Mechanics, and Prof. S. Trolier-McKinstry at Penn State Univ. In intelligent vehicles envisioned to be manufactured in the near future, safety-critical components such as tires and seat belts will play critical roles in the development of intelligent controls that can provide information on parameters such as friction, slip, pressure, and driver conditions. The overall goal of the project is to actively monitor those parameters through embedded sensors based upon piezoelectrics (i.e., materials that can generate an alternating current voltage when subjected to mechanical stress or vibration). Park’s group will take the lead in the design and implementation of the mechanisms and protocols needed to enable reliable, secure, and efficient wireless transmission of the sensor-collected data.
Dr. Jerry Park is Awarded a Research Grant from NSF to Study Incumbent Protection in Spectrum Sharing
Dr. Jung-Min “Jerry” Park is the PI of a National Science Foundation (NSF) grant titled “Collaborative research: Dynamic exclusion zones: Balancing incumbent protection and spectrum utilization efficiency” with a total budget of $730,000. This is a collaborative research project between Dr. Park (lead investigator) and Dr. William Lehr at MIT. The primary goal of the project is to develop a framework for implementing mechanisms that can adequately protect incumbent users from harmful interference while ensuring efficient utilization of fallow spectrum by secondary users in a dynamic spectrum sharing environment. The proposed mechanisms take advantage of the network of spectrum databases and spectrum sensing devices that will be deployed to enable spectrum sharing. This research is intended to provide a practical framework that is both technically and economically viable for implementing incentive-compatible dynamic sharing solutions.