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Mobile crowdsensing is a new paradigm in which a requester can recruit a group of mobile users via a platform and coordinate them to perform some sensing tasks by using their smartphones. In mobile crowdsensing, each user might perform multiple tasks with different sensing qualities. An important problem is recruiting the minimum number of users while achieving a satisfactory sensing quality for each...
With the increasing popularization of radio frequency identification (RFID) technology in the retail and logistics industry, RFID privacy concern has attracted much attention, because a tag responds to queries from readers no matter they are authorized or not. An effective solution is to use a commercially available blocker tag that behaves as if a set of tags with known blocking IDs are present....
With the advantages of vehicle networks, cloud computing, Vehicle Cloud Computing (VCC) has emerged, wins a lot of interests. In this paper, we propose an attack detection scheme in the VCC, that can detect the potential attacks launched by malicious vehicles, while preserving benign vehicles' privacy. First of all, we propose a distributed secret key distribution scheme, where multiple authorities...
The recent penetration of smart mobile devices into the consumer market sets a stage for novel network applications. In particular, we envision a paradigm shift in the commercial advertising model facilitated by the widespread uses of these devices: advertisements circulate in a word-of-mouth fashion among device users and reach potential customers based on the users' knowledge about their contacts...
As the technology of mobile sensors advances, mobility control becomes a viable option that can be utilized to minimize energy consumption in wireless sensor networks (WSNs). A mobility control protocol re-deploys mobile sensors to optimal positions to minimize energy consumption for communication. We identify a unique privacy issue in mobility control protocols that discloses the physical location...
Data privacy in vehicular ad hoc networks (VANETs) is a practical issue currently under investigation. Privacy-preserving anonymity authentication in networks is a challenging topic related to security, anonymity, network, and data privacy. Existing anonymity authentication in VANET is based on a k-anonymity model. An on board unit (OBU) chooses an adaptive anonymity group size in a request to an...
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