Title :
Autonomous Coordinator Selection in Beamformed 60GHz Wireless Networks
Author :
Qin, Xiangping ; Xia, Pengfei ; Ngo, Chiu ; Singh, Harkirat ; Shao, Huai-Rong ; Niu, Huaning ; Kwon, ChangYeul ; Fan, Guoping ; Kim, SeongSoo
Author_Institution :
Samsung Electron., San Jose
fDate :
March 31 2008-April 3 2008
Abstract :
In 60 GHz wireless networks, autonomous coordinator selection is required to find a device to coordinate the transmissions among devices. In order to minimize the power consumption for the coordinator, we utilize the direction information extracted from beamformed transmissions in finding the coordinator automatically. The problem is formulated as a K-center problem, which is a NP-hard problem in general. Analysis is carried out to find optimal solutions in certain tractable topologies. Numerical algorithms and simulation results are further presented for random two dimensional topologies.
Keywords :
computational complexity; wireless sensor networks; K-center problem; NP-hard problem; autonomous coordinator selection; frequency 60 GHz; power consumption minimization; wireless network; Antenna arrays; Array signal processing; Directive antennas; Energy consumption; Millimeter wave communication; Millimeter wave technology; Numerical simulation; Topology; Wireless communication; Wireless networks;
Conference_Titel :
Wireless Communications and Networking Conference, 2008. WCNC 2008. IEEE
Conference_Location :
Las Vegas, NV
Print_ISBN :
978-1-4244-1997-5
DOI :
10.1109/WCNC.2008.323