120 citations · 276 across the 22 of their papers we have counts for
23 papers
Mutual Information Optimally Local Private Discrete Distribution Estimation
Shaowei Wang, Liusheng Huang, Pengzhan Wang +5
Consider statistical learning (e.g. discrete distribution estimation) with local -differential privacy, which preserves each data provider's privacy locally, we aim to optimize…
General Capacity for Deterministic Dissemination in Wireless Ad Hoc Networks
Cheng Wang, Jieren Zhou, Tianci Liu +4
In this paper, we study capacity scaling laws of the deterministic dissemination (DD) in random wireless networks under the generalized physical model (GphyM). This is truly not a…
Almost Optimal Channel Access in Multi-Hop Networks With Unknown Channel Variables
Yaqin Zhou, Xiang-yang Li, Fan Li +3
We consider distributed channel access in multi-hop cognitive radio networks. Previous works on opportunistic channel access using multi-armed bandits (MAB) mainly focus on single-…
BlueSky: Realizing Buried Potential of Bluetooth to Sustain a Large-scale Multi-hop Network
Xinfeng Li, Chenshu Wu, Xiaoyuan Wang +3
Traditionally, Bluetooth has been deemed unsuitable for sustaining a large-scale multi-hop network. There are two main reasons: severe frequency channel collisions under a large-sc…
PPS: Privacy-Preserving Strategyproof Social-Efficient Spectrum Auction Mechanisms
He Huang, Xiang-Yang Li, Yu-e Sun +2
Many spectrum auction mechanisms have been proposed for spectrum allocation problem, and unfortunately, few of them protect the bid privacy of bidders and achieve good social effic…
TEXIVE: Detecting Drivers Using Personal Smart Phones by Leveraging Inertial Sensors
Cheng Bo, Xuesi Jian, Xiang-Yang Li
In this work, we address a fundamental and critical task of detecting the behavior of driving and texting using smartphones carried by users. We propose, design, and implement TEXI…
Towards Distribution-Free Multi-Armed Bandits with Combinatorial Strategies
Xiang-yang Li, Shaojie Tang, Yaqin Zhou
In this paper we study a generalized version of classical multi-armed bandits (MABs) problem by allowing for arbitrary constraints on constituent bandits at each decision point. Th…
OMG: How Much Should I Pay Bob in Truthful Online Mobile Crowdsourced Sensing?
Dong Zhao, Xiang-Yang Li, Huadong Ma
Mobile crowdsourced sensing (MCS) is a new paradigm which takes advantage of the pervasive smartphones to efficiently collect data, enabling numerous novel applications. To achieve…
Near-Optimal Truthful Auction Mechanisms in Secondary Spectrum Markets
Yu-e Sun, He Huang, Xiang-Yang Li +4
In this work, we study spectrum auction problem where each request from secondary users has spatial, temporal, and spectral features. With the requests of secondary users and the r…
Efficient Construction of Spanners in -Dimensions
Sanjiv Kapoor, XiangYang Li
In this paper we consider the problem of efficiently constructing -vertex fault-tolerant geometric -spanners in $\dspace$ (for and ). Vertex fault-tolerant sp…
Throughput Optimizing Localized Link Scheduling for Multihop Wireless Networks Under Physical Interference Model
Yaqin Zhou, Xiangyang Li, Min Liu +3
We study throughput-optimum localized link scheduling in wireless networks. The majority of results on link scheduling assume binary interference models that simplify interference…
Efficient and Secure Key Extraction using CSI without Chasing down Errors
Jizhong Zhao, Wei Xi, Jinsong Han +5
Generating keys and keeping them secret is critical in secure communications. Due to the "open-air" nature, key distribution is more susceptible to attacks in wireless communicatio…
Triggercast: Enabling Wireless Collisions Constructive
Yin Wang, Yuan He, Dapeng Cheng +2
It is generally considered that concurrent transmissions should be avoided in order to reduce collisions in wireless sensor networks. Constructive interference (CI) envisions concu…
Efficient Construction of Dominating Set in Wireless Networks
Xiaohua Xu, Xiang-Yang Li
Considering a communication topology of a wireless network modeled by a graph where an edge exists between two nodes if they are within each other's communication range. A subset $…
MLLS: Minimum Length Link Scheduling Under Physical Interference Model
Xiaohua Xu, Jiannong Cao, Xiang-Yang Li
We study a fundamental problem called Minimum Length Link Scheduling (MLLS) which is crucial to the efficient operations of wireless networks. Given a set of communication links of…
Real-time Data Collection Scheduling in Multi-hop Wireless Sensor Networks
Xiaohua Xu, Xiang-Yang Li, Min Song
We study real time periodic query scheduling for data collection in multihop Wireless Sensor Networks (WSNs). Given a set of heterogenous data collection queries in WSNs, each quer…
Link Scheduling for Throughput Maximization in Multihop Wireless Networks Under Physical Interference
Yaqin Zhou, Xiang-Yang Li, Min Liu +2
We consider the problem of link scheduling for throughput maximization in multihop wireless networks. Majority of previous methods are restricted to graph-based interference models…
Rejecting the Attack: Source Authentication for Wi-Fi Management Frames using CSI Information
Zhiping Jiang, Jizhong Zhao, Xiang-Yang Li +2
Comparing to well protected data frames, Wi-Fi management frames (MFs) are extremely vulnerable to various attacks. Since MFs are transmitted without encryption, attackers can forg…
Opportunistic Forwarding with Partial Centrality
Peiyan Yuan, Huadong Ma, Xiang-Yang Li +2
In opportunistic networks, the use of social metrics (e.g., degree, closeness and betweenness centrality) of human mobility network, has recently been shown to be an effective solu…
Truthful Auction Mechanism for Heterogeneous Spectrum Allocation in Wireless Networks
He Huang, Yu-e Sun, Xiang-yang Li +3
Secondary spectrum auction is widely applied in wireless networks for mitigating the spectrum scarcity. In a realistic spectrum trading market, the requests from secondary users of…
Network Agile Preference-Based Prefetching for Mobile Devices
JunZe Han, Xiang-Yang Li
For mobile devices, communication via cellular networks consumes more energy, and has a lower data rate than WiFi networks, and suffers an expensive limited data plan. However the…
Message in a Sealed Bottle: Privacy Preserving Friending in Social Networks
Lan Zhang, Xiang-Yang Li
Many proximity-based mobile social networks are developed to facilitate connections between any two people, or to help a user to find people with matched profile within a certain d…
Data Aggregation without Secure Channel: How to Evaluate a Multivariate Polynomial Securely
Taeho Jung, XuFei Mao, Xiang-Yang Li +3
Much research has been conducted to securely outsource multiple parties' data aggregation to an untrusted aggregator without disclosing each individual's data, or to enable multipl…