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ICC
2007
IEEE
160views Communications» more  ICC 2007»
15 years 4 months ago
Maximizing Throughput of Cognitive Radio Networks with Limited Primary Users' Cooperation
— We consider a point-to-multipoint cognitive radio network that shares a set of channels with a primary network. Within the cognitive radio network, a base station (BS) controls...
Anh Tuan Hoang, Ying-Chang Liang, Habibul Islam
SASN
2004
ACM
15 years 3 months ago
Securing quality-of-service route discovery in on-demand routing for ad hoc networks
An ad hoc network is a collection of computers (nodes) that cooperate to forward packets for each other over a multihop wireless network. Users of such networks may wish to use de...
Yih-Chun Hu, David B. Johnson
JSAC
2011
215views more  JSAC 2011»
14 years 4 months ago
Opportunistic Spectrum Sharing Schemes for CDMA-Based Uplink MAC in Cognitive Radio Networks
—We consider a wireless cognitive radio network in which a set of secondary users (SUs) opportunistically utilize the wireless spectrum licensed to the primary users (PUs) to tra...
Xi Zhang, Hang Su
VTC
2008
IEEE
150views Communications» more  VTC 2008»
15 years 4 months ago
Impact of Signaling Load on the UMTS Call Blocking/Dropping
— Radio resources in the third generation (3G) wireless cellular networks (WCNs) such as the universal mobile telecommunications system (UMTS) network is limited in term of soft ...
Saowaphak Sasanus, David Tipper, Yi Qian
TSP
2008
122views more  TSP 2008»
14 years 9 months ago
Quality of Service and Max-Min Fair Transmit Beamforming to Multiple Cochannel Multicast Groups
The problem of transmit beamforming to multiple cochannel multicast groups is considered, when the channel state is known at the transmitter and from two viewpoints: minimizing tot...
Eleftherios Karipidis, Nikos D. Sidiropoulos, Zhi-...