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» Spectrum Allocation in Two-Tier Networks
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INFOCOM
2012
IEEE
11 years 10 months ago
Combinatorial auction with time-frequency flexibility in cognitive radio networks
—In this paper, we tackle the spectrum allocation problem in cognitive radio (CR) networks with time-frequency flexibility consideration using combinatorial auction. Different f...
Mo Dong, Gaofei Sun, Xinbing Wang, Qian Zhang
TWC
2008
225views more  TWC 2008»
13 years 7 months ago
Joint rate and power allocation for cognitive radios in dynamic spectrum access environment
Abstract--We investigate the dynamic spectrum sharing problem among primary and secondary users in a cognitive radio network. We consider the scenario where primary users exhibit o...
Dong In Kim, Long Le, Ekram Hossain
IMC
2010
ACM
13 years 5 months ago
On the feasibility of effective opportunistic spectrum access
Dynamic spectrum access networks are designed to allow today's bandwidth hungry "secondary devices" to share spectrum allocated to legacy devices, or "primary ...
Vinod Kone, Lei Yang, Xue Yang, Ben Y. Zhao, Haita...
JCM
2006
92views more  JCM 2006»
13 years 7 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
ICC
2007
IEEE
160views Communications» more  ICC 2007»
14 years 1 months ago
Adaptive Game-Based Radio Spectrum Allocation in Doubly Selective Fading Channels
— For cognitive radio networks, a popular approach to dynamic spectrum allocation (DSA) is game theoretic, which improves spectrum efficiency in a distributed manner. In a doubl...
Duo Zhang, Zhi Tian