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WICON
2008
15 years 1 months ago
Risk-aware beacon scheduling for tree-based ZigBee/IEEE 802.15.4 wireless networks
In a tree-based ZigBee network, ZigBee routers (ZRs) must schedule their beacon transmission times to avoid beacon collisions. The beacon schedule determines packet delivery laten...
Li-Hsing Yen, Yee Wei Law, Marimuthu Palaniswami
CISS
2008
IEEE
15 years 1 months ago
Cross-layer multicommodity capacity expansion on ad hoc wireless networks of cognitive radios
Cognitive radios permit dynamic control of physical layer resources such as transmission power and constellation size; these degrees of freedom can be employed to achieve significa...
Alex Fridman, Steven Weber, Kapil R. Dandekar, Mos...
MOBIHOC
2005
ACM
15 years 11 months ago
Inducing spatial clustering in MAC contention for spread spectrum ad hoc networks
This paper proposes a new principle for designing MAC protocols for spread spectrum based ad hoc networks ? inducing spatial clustering in contending transmitters/receivers. We fi...
Xiangying Yang, Gustavo de Veciana
RTAS
2005
IEEE
15 years 5 months ago
Scheduling Messages with Deadlines in Multi-Hop Real-Time Sensor Networks
Consider a team of robots equipped with sensors that collaborate with one another to achieve a common goal. Sensors on robots produce periodic updates that must be transmitted to ...
Huan Li, Prashant J. Shenoy, Krithi Ramamritham
RTSS
2006
IEEE
15 years 5 months ago
Voice over Sensor Networks
Wireless sensor networks have traditionally focused on low duty-cycle applications where sensor data are reported periodically in the order of seconds or even longer. This is due ...
Rahul Mangharam, Anthony Rowe, Raj Rajkumar, Ryohe...