Sciweavers

ICC
2008
IEEE
115views Communications» more  ICC 2008»
14 years 3 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
ICC
2008
IEEE
126views Communications» more  ICC 2008»
14 years 3 months ago
On The Rate-Distance Adaptability of Slotted Aloha
—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...
Chih-Cheng Tseng, Shao-Yu Lien, Kwang-Cheng Chen, ...
ICC
2008
IEEE
168views Communications» more  ICC 2008»
14 years 3 months ago
Topology Control for Reliable Sensor-to-Sink Data Transport in Sensor Networks
— Wireless Sensor Networks (WSNs) are generally used for harsh environments involving military surveillance, emergency response, and habitat monitoring. Due to severe resource co...
Jiong Wang, Sirisha Medidi
ICC
2008
IEEE
122views Communications» more  ICC 2008»
14 years 3 months ago
Optimizing Adaptive Modulation in Wireless Networks via Utility Maximization
Abstract— We investigate adaptive modulation using the network utility maximization framework. We derive new crosslayer optimal power and rate adaptation policies for several pra...
Daniel O'Neill, Andrea J. Goldsmith, Stephen P. Bo...
ICC
2008
IEEE
142views Communications» more  ICC 2008»
14 years 3 months ago
Multiuser MIMO Downlink with Limited Feedback Using Transmit-Beam Matching
— The multiuser multiple-input multiple-output (MIMO) broadcast channel uses multiple antennas at the transmitter to simultaneously deliver information to multiple users. Despite...
Tae-Hyun Kim, Robert W. Heath Jr., Sunghyun Choi
ICC
2008
IEEE
113views Communications» more  ICC 2008»
14 years 3 months ago
Multiuser MIMO Downlink Beamforming Based on Group Maximum SINR Filtering
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 ...
Yu-Han Yang, Shih-Chun Lin, Hsuan-Jung Su
ICC
2008
IEEE
133views Communications» more  ICC 2008»
14 years 3 months ago
Call Admission Control for Mobile Agent Based Handoff in Wireless Mesh Networks
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...
Bo Rong, Yi Qian, Kejie Lu, Michel Kadoch
ICC
2008
IEEE
236views Communications» more  ICC 2008»
14 years 3 months ago
Carrier Sensing Based Multiple Access Protocols for Cognitive Radio Networks
—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...
Shao-Yu Lien, Chih-Cheng Tseng, Kwang-Cheng Chen
ICC
2008
IEEE
139views Communications» more  ICC 2008»
14 years 3 months ago
Practical Routing and Channel Assignment Scheme for Mesh Networks with Directional Antennas
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 ...
Wei Zhou, Xi Chen, Daji Qiao
ICC
2008
IEEE
110views Communications» more  ICC 2008»
14 years 3 months ago
Antenna Selection for Next Generation IEEE 802.16 Mobile Stations
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 ...
Chun Nie, Zhifeng Tao, Neelesh B. Mehta, Andreas F...