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JSAC
2008
157views more  JSAC 2008»
13 years 6 months ago
Spectrum Leasing to Cooperating Secondary Ad Hoc Networks
Abstract--The concept of cognitive radio (or secondary spectrum access) is currently under investigation as a promising paradigm to achieve efficient use of the frequency resource ...
Osvaldo Simeone, Igor Stanojev, Stefano Savazzi, Y...
INFOCOM
2008
IEEE
14 years 1 months ago
Opportunistic Scheduling with Reliability Guarantees in Cognitive Radio Networks
—We develop opportunistic scheduling policies for cognitive radio networks that maximize the throughput utility of the secondary (unlicensed) users subject to maximum collision c...
Rahul Urgaonkar, Michael J. Neely
JCM
2006
92views more  JCM 2006»
13 years 6 months ago
Ultimate Dynamic Spectrum Allocation via User-Central Wireless Systems
- Current wireless systems are called vendor-central systems because, users should subscribe to a service provider (vendor) and receive the service through the spectrum assigned to...
Seyed Alireza Zekavat, Xiukui Li
ICIP
2008
IEEE
14 years 8 months ago
Dynamic channel selection for multi-user video streaming over cognitive radio networks
Due to the dynamic nature of cognitive radio networks, multi-user video streaming (with various video traffic characteristics and QoS requirements) requires efficient dynamic chan...
Hsien-Po Shiang, Mihaela van der Schaar
GLOBECOM
2008
IEEE
14 years 1 months ago
On Spectrum Sharing in Cooperative Multiple Access Networks
Abstract— The coexistence and resource sharing between a primary network utilizing cognitive relays and a secondary network are investigated. Two multiple access protocols are pr...
Amr El-Sherif, Ahmed K. Sadek, K. J. Ray Liu