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HybridORAM: Practical oblivious cloud storage with constant bandwidth

Information Sciences, 2019
Abstract Along with the popularity of outsourcing data to the cloud server, data privacy becomes a central consideration. Because encryption alone has been proved insecure for the leakages of access pattern, Oblivious RAM (ORAM) was proposed to protect where, when and how often the data block has been accessed.
Bo Li   +5 more
openaire   +2 more sources

A 5th-Order Constant Bandwidth Tunable Bandpass Filter With Two Cascaded Trisection Structures

IEEE Transactions on Circuits and Systems - II - Express Briefs, 2023
A novel 5th-order cross-coupled tunable bandpass filter based on full-wavelength tunable resonator with four independent coupling regions, including two electric and two magnetic coupling regions is proposed.
Qianyin Xiang   +4 more
semanticscholar   +1 more source

A Bio-IA With Fast Recovery and Constant Bandwidth for Wearable Bio-Sensors

IEEE Sensors Journal, 2021
This paper proposes a bio-signal instrumentation amplifier (Bio-IA) with fast recovery and constant bandwidth for wearable bio-sensors. To shorten the offset calibration time of the Bio-IA and reduce the loss of bio-signal in the calibration process, a ...
Lianxi Liu, Yuyuan Tian, Wenbin Huang
semanticscholar   +1 more source

Design of Ka-Band Tunable Filters in Rectangular Waveguide with Constant Bandwidth

Asia-Pacific Microwave Conference, 2020
In this paper the design of rectangular waveguide filters in Ka-band with constant bandwidth is discussed. Only the cavities are assumed to be tuned, while the couplings must be dimensioned in order to get constant the bandwidth in the tuning bands.
G. Macchiarella   +2 more
semanticscholar   +1 more source

Onion Ring ORAM: Efficient Constant Bandwidth Oblivious RAM from (Leveled) TFHE

IACR Cryptology ePrint Archive, 2019
Oblivious RAM (ORAM) is a cryptographic primitive that allows a client to hide access pattern to its data encrypted and stored at a remote server. Traditionally, ORAM algorithms assume the server acts purely as a storage device.
Hao Chen, Ilaria Chillotti, Ling Ren
semanticscholar   +1 more source

Compact Tunable Balanced Bandpass Filter With Constant Bandwidth Based on Magnetically Coupled Resonators

IEEE Microwave and Wireless Components Letters, 2019
In this letter, a compact high-selectivity and common-mode (CM) suppression tunable balanced microstrip bandpass filter (BPF) with constant bandwidth is designed by adopting the magnetically coupled resonators with step-impedance parallel coupling ...
H.-W. Deng   +4 more
semanticscholar   +1 more source

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