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ICDE
2003
IEEE
157views Database» more  ICDE 2003»
14 years 9 months ago
Energy Efficient Index for Querying Location-Dependent Data in Mobile Broadcast Environments
We are witnessing in recent years growing interest for location-dependent information services among mobile users. This paper examines the issue of processing locationdependent qu...
Jianliang Xu, Baihua Zheng, Wang-Chien Lee, Dik Lu...
WICON
2008
13 years 9 months ago
Optimal stochastic routing in low duty-cycled wireless sensor networks
We study a routing problem in wireless sensor networks where sensors are duty-cycled. When sensors alternate between on and off modes, delay encountered in packet delivery due to ...
Dongsook Kim, Mingyan Liu
ADHOC
2008
111views more  ADHOC 2008»
13 years 7 months ago
MERLIN: Cross-layer integration of MAC and routing for low duty-cycle sensor networks
Sensor network MAC protocols typically sacrifice packet latency to achieve energy efficiency. Such delays may well increase due to routing protocol operation. For this reason it i...
Antonio G. Ruzzelli, Gregory M. P. O'Hare, Raja Ju...
MOBICOM
2004
ACM
14 years 1 months ago
Exploiting medium access diversity in rate adaptive wireless LANs
Recent years have seen the growing popularity of multi-rate wireless network devices (e.g., 802.11a cards) that can exploit variations in channel conditions and improve overall ne...
Zhengrong Ji, Yi Yang, Junlan Zhou, Mineo Takai, R...
GLOBECOM
2007
IEEE
14 years 2 months ago
LOFT: A Latency-Oriented Fault Tolerant Transport Protocol for Wireless Sensor-Actuator Networks
— Wireless sensor-actuator networks, or WSANs, refer to a group of sensors and actuators which collect data from the environment and perform application-specific actions in resp...
Edith C. H. Ngai, Yangfan Zhou, Michael R. Lyu, Ji...