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172 results on '"Zhou, Xianyu"'

9. Experimental Analysis of Subscribers' Privacy Exposure by LTE Paging

Author

Sørseth, Christian, Zhou, Xianyu Shelley, Mjølsnes, Stig F., and Olimid, Ruxandra F.

Subjects
Computer Science - Cryptography and Security
Abstract

Over the last years, considerable attention has been given to the privacy of individuals in wireless environments. Although significantly improved over the previous generations of mobile networks, LTE still exposes vulnerabilities that attackers can exploit. This might be the case of paging messages, wake-up notifications that target specific subscribers, and that are broadcasted in clear over the radio interface. If they are not properly implemented, paging messages can expose the identity of subscribers and furthermore provide information about their location. It is therefore important that mobile network operators comply with the recommendations and implement the appropriate mechanisms to mitigate attacks. In this paper, we verify by experiment that paging messages can be captured and decoded by using minimal technical skills and publicly available tools. Moreover, we present a general experimental method to test privacy exposure by LTE paging messages, and we conduct a case study on three different LTE mobile operators.

Published
2018

29. The Effects of Growth Hormone on Nerve Regeneration and Alloimmunity in Vascularized Composite Allotransplantation.

Author

Rath, Jennifer, primary, Zhou, Xianyu, additional, Lee, Erica B., additional, Hanwright, Philip, additional, Amin, Neha, additional, von Guionneau, Nicholas, additional, Pinni, Sai, additional, Kambarashvili, Keti, additional, Harris, Thomas G.W., additional, Beck, Sarah, additional, Lee, W P Andrew, additional, Brandacher, Gerald, additional, and Tuffaha, Sami, additional

Published
2023
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42. A mini hallux neurovascular osteo-onychocutaneous free flap for refined reconstruction of distal defects in thumbs and fingers.

Author

Zhou, Xianyu, Sun, Di, Liu, Fei, Li, Wen Jun, Gu, Chuan, and Zhang, Ling Ling

Subjects
*FREE flaps, *FINGERS, *THUMB, *TREATMENT effectiveness, *OPERATIVE surgery, *FINGER injuries
Abstract

Distal injury in thumbs and fingers is common in emergency. Although multiple surgical techniques have been introduced for repair purpose, it is still challenging for restoring both good function and cosmetic appearance. The present study reports our experiences on how to reconstruct amputated fingertips in thumbs and fingers using a mini hallux neurovascular osteo-onychocutaneous free flap with favorable outcomes in 15 patients (average age, 27.27 ± 5.43 years old). Follow-up period was 19.47 ± 10.18 months (range, 6–48 months). Digital function was improved indicated by the static two-point discrimination (2-PD) and key-pinch, which were 8.40 ± 1.64 mm (range, 6–12 mm) and 85.37 ± 3.03% (range, 80.2–90.6%) of that of the intact contralateral thumbs and fingers, respectively, after surgery. As to aesthetic outcomes, all reconstructed digits were self-graded as good by patients. 73.3% of the donor halluces were self-graded as good and four halluces (26.7%) were graded as fair. In conclusion, the mini hallux neurovascular osteo-onychocutaneous flap may be used for refined reconstruction of type I amputated injury in thumbs and fingers achieving both satisfactory functional and aesthetic outcomes. [ABSTRACT FROM AUTHOR]

Published
2023
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