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Zhichao Cao

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titleconferencedate
CurvingLoRa to Boost LoRa Network Throughput via Concurrent Transmission19th USENIX Symposium on Networked Systems Design and Implementation (NSDI '22)2022-04-04
Replaces LoRa’s linear chirp with non-linear chirps so misaligned concurrent transmissions scatter energy instead of producing a single overpowering peak…
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SmileAuth: Using Dental Edge Biometrics for User Authentication on SmartphonesUbiComp 20212021-09-21
SmileAuth implements a camera-based Android prototype that captures a few images while the phone moves and extracts dental edge lines via Sobel edge detection…
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Improving Performance of Flash Based Key-Value Stores Using Storage Class Memory...USENIX ATC '212021-07-14
Implementation uses Intel Optane DCPMM in AppDirect mode with memkind to extend memory and a RocksDB hybrid cache that applies a dram-first admission policy…
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Characterizing, Modeling, and Benchmarking RocksDB Key-Value Workloads at FacebookFAST '202020-02-24
Open-sourced trace collector captures RocksDB GET/PUT/DELETE/MERGE/ITERATOR traces from three Facebook workloads (UDB, ZippyDB, UP2X) and analyzers reveal that…
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Sliding Look-Back Window Assisted Data Chunk Rewriting for Improving Deduplication...FAST '192019-02-25
Proposes a rewrite system combining FC-RC (flexible container reference-count thresholds) with a sliding look-back window plus candidate cache and recipe cache…
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