ICC
2008
IEEE
14 years 6 months ago
2008
IEEE
—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 ...
ICC
2008
IEEE
14 years 6 months ago
2008
IEEE
—In wireless communication systems, the signal strength/quality generally varies with the distances between transmitters and receivers. As a consequence, the throughput in the MA...
ICC
2008
IEEE
14 years 6 months ago
2008
IEEE
— Wireless Sensor Networks (WSNs) are generally used for harsh environments involving military surveillance, emergency response, and habitat monitoring. Due to severe resource co...
ICC
2008
IEEE
14 years 6 months ago
2008
IEEE
Abstract— We investigate adaptive modulation using the network utility maximization framework. We derive new crosslayer optimal power and rate adaptation policies for several pra...
ICC
2008
IEEE
14 years 6 months ago
2008
IEEE
— The multiuser multiple-input multiple-output (MIMO) broadcast channel uses multiple antennas at the transmitter to simultaneously deliver information to multiple users. Despite...
ICC
2008
IEEE
14 years 6 months ago
2008
IEEE
Abstract—In this paper we aim to solve the multiuser multiinput multi-output (MIMO) downlink beamforming problem. The transmitter is a multi-antenna base-station broadcasting to ...
ICC
2008
IEEE
14 years 6 months ago
2008
IEEE
Abstract—Wireless mesh network (WMN) has emerged recently as a promising technology for next-generation wireless networking. In WMN, it is important to provide an efficient hand...
ICC
2008
IEEE
14 years 6 months ago
2008
IEEE
—Cognitive radio (CR) dynamically accessing inactive radio spectrum of the primary system (PS) at link level has attracted a lot of research interests. The cognitive radio networ...
ICC
2008
IEEE
14 years 6 months ago
2008
IEEE
Abstract— Wireless Mesh Network (WMN) has been recognized as one of the promising technologies to provide wireless broadband access. In addition to the multi-radio multi-channel ...
ICC
2008
IEEE
14 years 6 months ago
2008
IEEE
The IEEE 802.16/WiMAX standard has fully embraced multi-antenna technology and can, thus, deliver robust and high transmission rates and higher system capacity. Nevertheless, due ...