Perceptual user interfaces: the KidsRoom
Communications of the ACM
Proceedings of the 7th annual international conference on Mobile computing and networking
Efficient Object Identification with Passive RFID Tags
Pervasive '02 Proceedings of the First International Conference on Pervasive Computing
Novel Anti-collision Algorithms for Fast Object Identification in RFID System
ICPADS '05 Proceedings of the 11th International Conference on Parallel and Distributed Systems - Workshops - Volume 02
An Enhanced Dynamic Framed Slotted ALOHA Algorithm for RFID Tag Identification
MOBIQUITOUS '05 Proceedings of the The Second Annual International Conference on Mobile and Ubiquitous Systems: Networking and Services
Fast and reliable estimation schemes in RFID systems
Proceedings of the 12th annual international conference on Mobile computing and networking
Pervasive Computing Support for Hospitals: An overview of the Activity-Based Computing Project
IEEE Pervasive Computing
How to Monitor for Missing RFID tags
ICDCS '08 Proceedings of the 2008 The 28th International Conference on Distributed Computing Systems
Proceedings of the 15th ACM conference on Computer and communications security
An RFID based system for monitoring free weight exercises
Proceedings of the 6th ACM conference on Embedded network sensor systems
Recognizing daily activities with RFID-based sensors
Proceedings of the 11th international conference on Ubiquitous computing
Context-sensitive microlearning of foreign language vocabulary on a mobile device
AmI'07 Proceedings of the 2007 European conference on Ambient intelligence
CCCP: secure remote storage for computational RFIDs
SSYM'09 Proceedings of the 18th conference on USENIX security symposium
Identifying the missing tags in a large RFID system
Proceedings of the eleventh ACM international symposium on Mobile ad hoc networking and computing
Wireless Personal Communications: An International Journal
Monitoring body positions and movements during sleep using WISPs
WH '10 Wireless Health 2010
RFIDSec'10 Proceedings of the 6th international conference on Radio frequency identification: security and privacy issues
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Recently, WISP tags, one latest extension of RFID tags, have been used to identify indoor activity recognition, vital signs, sleep quality, and in other health status monitoring systems. It has also been used in many assisted environments or elderly care systems. However, these systems challenge current state-of-the-art techniques for accuracy, reliability, and security. This paper studies the problem of monitoring a large set of WISP tags and identifying the missing ones. The missing WISP tag data may introduce errors in the health status monitoring system and may result in reduced system security and accuracy. Therefore, in order to maintain system accuracy, a monitoring protocol needs to be executed frequently and it should be made efficient in terms of execution time. In this paper, based on probabilistic methods, we propose two tag monitoring protocols, Monitor and Collect (MonAC), for WISP based environments. The goal of these protocols is to improve the accuracy of health status monitoring environments or assisted care environments by detecting missing tags and reporting back only the sensor data of the existing tags.