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Privacy-preserving location-base services (LBS) have been proposed to protect users' location privacy. However, there are still some problems in existing schemes: (1) a semi-trusted third party (TTP) is required; or (2) both the computation…

Cryptography and Security · Computer Science 2019-07-09 Jinguang Han

In wireless multi-hop networks, the instability of the wireless links leads to unstable networking. Even in the newly designed Software-Defined Wireless Sensor Networks (SDWSN), similar problems exist. To further improve the stability of…

Networking and Internet Architecture · Computer Science 2021-12-28 Liao Wenxing , Shi Xiaofei

In this paper, we present an embedding-based framework (TrQuery) for recommending solutions of a SPARQL query, including approximate solutions when exact querying solutions are not available due to incompleteness or inconsistencies of…

Databases · Computer Science 2018-06-19 Lijing Zhang , Xiaowang Zhang , Zhiyong Feng

Terahertz (THz) communications have naturally promising physical layer security (PLS) performance in the angular domain due to the high directivity feature brought by the ultra-massive multiple-antenna techniques. However, traditional…

Information Theory · Computer Science 2022-07-26 Weijun Gao , Xuyang Lu , Chong Han , Zhi Chen

Searchable symmetric encryption (SSE) for multi-owner model draws much attention as it enables data users to perform searches over encrypted cloud data outsourced by data owners. However, implementing secure and precise query, efficient…

Cryptography and Security · Computer Science 2019-08-13 Kai Chen , Zhongrui Lin , Jian Wan , Lei Xu , Chungen Xu

We introduce a simple, practical approach with probabilistic information-theoretic security to mitigate one of quantum key distribution's major limitations: the short maximum transmission distance (~200 km) possible with present day…

Quantum Physics · Physics 2008-08-23 Travis R. Beals , Barry C. Sanders

Sequential Quantum Secret Sharing schemes (QSS) do not use entangled states for secret sharing, rather they rely on sequential operations of the players on a single state which is circulated between the players. In order to check the…

Quantum Physics · Physics 2017-10-02 Marzieh Asoudeh , Vahid Karimipour

In this paper, we propose new location privacy preserving schemes for database-driven cognitive radio networks that protect secondary users' (SUs) location privacy while allowing them to learn spectrum availability in their vicinity. Our…

Networking and Internet Architecture · Computer Science 2018-06-12 Mohamed Grissa , Attila A. Yavuz , Bechir Hamdaoui

This article introduces a novel communication scheme, termed coded compressed sensing, for unsourced multiple-access communication. The proposed divide-and-conquer approach leverages recent advances in compressed sensing and forward error…

Signal Processing · Electrical Eng. & Systems 2019-06-26 Vamsi K. Amalladinne , Jean-Francois Chamberland , Krishna R. Narayanan

Most critical sensor readings (Top-k Monitoring) in environment monitoring system are important to many wireless sensor applications. In such applications, sensor nodes transmit the data continuously for a specific time period to the…

Cryptography and Security · Computer Science 2015-03-12 B. Vidhya , Mary Joseph , D. Rajini Girinath , A. Malathi

Quantum cryptography holds the promise to establish an information-theoretically secure global network. All field tests of metropolitan-scale quantum networks to date are based on trusted relays. The security critically relies on the…

Since the number of elderly and patients who are in hospitals and healthcare centers are growing, providing efficient remote healthcare services seems very important. Currently, most such systems benefit from the distribution and autonomy…

Cryptography and Security · Computer Science 2021-04-15 Mohammadreza Begli , Farnaz Derakhshan

We revisit the moving k nearest neighbor (MkNN) query, which computes one's k nearest neighbor set and maintains it while at move. Existing MkNN algorithms are mostly safe region based, which lack efficiency due to either computing small…

Databases · Computer Science 2021-01-13 Chuanwen Li , Yu Gu , Jianzhong Qi , Ge Yu , Rui Zhang , Qingxu Deng

Monitoring range queries over moving objects is essential to extensive location-based services. The challenge faced with these location-based services is having to process numerous concurrent range queries over a large volume of moving…

Databases · Computer Science 2022-06-07 Hui Zhu , Ziqiang Yu

Beyond its widespread application in signal and image processing, \emph{compressed sensing} principles have been greatly applied to secure information transmission (often termed 'compressive security'). In this scenario, the measurement…

Cryptography and Security · Computer Science 2025-10-20 Axel Flinth , Hubert Orlicki , Semira Einsele , Gerhard Wunder

The security of wireless sensor networks is an active topic of research where both symmetric and asymmetric key cryptography issues have been studied. Due to their computational feasibility on typical sensor nodes, symmetric key algorithms…

Cryptography and Security · Computer Science 2008-03-10 Abedelaziz Mohaisen , DaeHun Nyang , KyungHee Lee

Quantum Private Query (QPQ) based on Quantum Key Distribution (QKD) is among the most practically viable quantum communication protocols, with application value second only to QKD itself. However, prevalent security vulnerabilities in the…

Quantum Physics · Physics 2026-01-06 Xiaoyu Peng , Bin Liu , Shiyu He , Nankun Mu , Wei Huang , Bingjie Xu , Fei Gao

Inspired by emerging applications in vehicular networks, we address the problem of achieving high-reliability and low-latency communication in multi-hop wireless networks. We propose a new family of Automatic-Repeat-Requests (ARQs) based…

Information Theory · Computer Science 2022-08-09 Jaya Goel , J. Harshan

The skyline of a set $P$ of points ($SKY(P)$) consists of the "best" points with respect to minimization or maximization of the attribute values. A point $p$ dominates another point $q$ if $p$ is as good as $q$ in all dimensions and it is…

This paper presents a federated learning framework secured by quantum key distribution (QKD) for wireless channel estimation and radar spectrum sensing in the next generation networks (NextG or Beyond 6G). A BB84-style protocol abstraction…

Cryptography and Security · Computer Science 2026-03-18 Ferhat Ozgur Catak , Murat Kuzlu , Jungwon Seo , Umit Cali
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