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AAIM
2009
Springer
98views Algorithms» more  AAIM 2009»
14 years 2 months ago
Latency Constrained Aggregation in Chain Networks Admits a PTAS
This paper studies the aggregation of messages in networks that consist of a chain of nodes, and each message is time-constrained such that it needs to be aggregated during a give...
Tim Nonner, Alexander Souza
DCOSS
2006
Springer
13 years 11 months ago
Approximation Algorithms for Power-Aware Scheduling of Wireless Sensor Networks with Rate and Duty-Cycle Constraints
We develop algorithms for finding the minimum energy transmission schedule for duty-cycle and rate constrained wireless sensor nodes transmitting over an interference channel. Sinc...
Rajgopal Kannan, Shuangqing Wei
TON
2010
147views more  TON 2010»
13 years 5 months ago
Coverage-time optimization for clustered wireless sensor networks: a power-balancing approach
—In this paper, we investigate the maximization of the coverage time for a clustered wireless sensor network (WSN) by optimal balancing of power consumption among cluster heads (...
Tao Shu, Marwan Krunz
ICC
2007
IEEE
185views Communications» more  ICC 2007»
14 years 1 months ago
Maximal Lifetime Rate and Power Allocation for Sensor Networks with Data Distortion Constraints
— We address a lifetime maximization problem for a single-hop wireless sensor network where multiple sensors encode and communicate their measurements of a Gaussian random source...
James C. F. Li, Subhrakanti Dey, Jamie S. Evans
ICC
2008
IEEE
119views Communications» more  ICC 2008»
14 years 1 months ago
Multicommodity Lifetime Routing for Wireless Sensor Networks with Multiple Sinks
— Wireless sensor networks (WSNs) have recently received increasing attention from research and development communities. In a WSN, the field information (e.g., temperature, humi...
Vahid Shah-Mansouri, Amir Hamed Mohsenian Rad, Vin...