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TPDS
2010
222views more  TPDS 2010»
14 years 7 months ago
Energy-Efficient Beaconless Geographic Routing in Wireless Sensor Networks
—Geographic routing is an attractive localized routing scheme for wireless sensor networks (WSNs) due to its desirable scalability and efficiency. Maintaining neighborhood inform...
Haibo Zhang, Hong Shen
ICC
2008
IEEE
115views Communications» more  ICC 2008»
15 years 4 months ago
Sliding-Window Algorithm for Asynchronous Cooperative Sensing in Wireless Cognitive Networks
—To improve the performance of spectrum sensing, cooperation among Cognitive Radios (CRs) has been proposed recently as an effective solution. Most existing works require either ...
Chengqi Song, Qian Zhang
SECON
2008
IEEE
15 years 3 months ago
Cooperative Recovery in Heterogeneous Mobile Networks
Abstract—In multicast/broadcast services over infrastructurebased/cellular wireless networks (e.g. 3G cellular networks, WiMax, DVB), data is transmitted to multiple recipients f...
Kaustubh Sinkar, Amit Jagirdar, Thanasis Korakis, ...
VTC
2008
IEEE
162views Communications» more  VTC 2008»
15 years 3 months ago
A Selective Cluster Index Scheduling Method in OFDMA
—OFDM is an attractive solution for the design of future wireless communications due to its robustness to dispersion in multipath environments. Additional diversity gains can be ...
Marios Nicolaou, Angela Doufexi, Simon Armour
ICASSP
2009
IEEE
15 years 4 months ago
Beacon-assisted spectrum access with cooperative cognitive transmitter and receiver
—Spectrum access is an important function of cognitive radios for detecting and utilizing spectrum holes without harming the legacy systems. In this paper, we propose novel coope...
Ali Tajer, Xiaodong Wang