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JSAC
2011
80views more  JSAC 2011»
8 years 10 months ago
A Novel Robust Detection Algorithm for Spectrum Sensing
Lu Lu, Hsiao-Chun Wu, S. Sitharama Iyengar
JSAC
2011
82views more  JSAC 2011»
8 years 10 months ago
Optimal Cognitive Access of Markovian Channels under Tight Collision Constraints
Abstract—The problem of cognitive access of channels of primary users by a secondary user is considered. The transmissions of primary users are modeled as independent continuous-...
Xin Li, Qianchuan Zhao, Xiaohong Guan, Lang Tong
JSAC
2011
253views more  JSAC 2011»
8 years 10 months ago
Control Channel Establishment in Cognitive Radio Networks using Channel Hopping
Abstract—In decentralized cognitive radio (CR) networks, enabling the radios to establish a control channel (i.e., “rendezvous” to establish a link) is a challenging problem....
Kaigui Bian, Jung Min Park, Ruiliang Chen
JSAC
2011
191views more  JSAC 2011»
8 years 10 months ago
CRP: A Routing Protocol for Cognitive Radio Ad Hoc Networks
Abstract—Cognitive radio (CR) technology enables the opportunistic use of the vacant licensed frequency bands, thereby improving the spectrum utilization. However, the CR operati...
Kaushik R. Chowdhury, Ian F. Akyildiz
JSAC
2011
215views more  JSAC 2011»
8 years 10 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
JSAC
2011
156views more  JSAC 2011»
8 years 10 months ago
On the Connectivity and Multihop Delay of Ad Hoc Cognitive Radio Networks
—We analyze the multihop delay of ad hoc cognitive radio networks, where the transmission delay of each hop consists of the propagation delay and the waiting time for the availab...
Wei Ren, Qing Zhao, Ananthram Swami
JSAC
2011
159views more  JSAC 2011»
8 years 10 months ago
An Anti-Jamming Stochastic Game for Cognitive Radio Networks
—Various spectrum management schemes have been proposed in recent years to improve the spectrum utilization in cognitive radio networks. However, few of them have considered the ...
Beibei Wang, Yongle Wu, K. J. Ray Liu, T. Charles ...
JSAC
2011
108views more  JSAC 2011»
8 years 10 months ago
A Model-Based Approach to Cognitive Radio Design
Abstract—Cognitive radio is a promising technology for fulfilling the spectrum and service requirements of future wireless communication systems. Real experimentation is a key f...
Jorg Lotze, Suhaib A. Fahmy, Juanjo Noguera, Linda...
JSAC
2011
176views more  JSAC 2011»
8 years 10 months ago
Cross-Layer Routing Using Cooperative Transmission in Vehicular Ad-hoc Networks
Wireless vehicular ad hoc networks are characterized by multi-hop transmission, where a key problem is the design of routing, e.g., how to efficiently direct the information flo...
Zhiguo Ding, Kin K. Leung
JSAC
2011
142views more  JSAC 2011»
8 years 10 months ago
A Distributed Key Management Framework with Cooperative Message Authentication in VANETs
Abstract—In this paper, we propose a distributed key management framework based on group signature to provision privacy in vehicular ad hoc networks (VANETs). Distributed key man...
Yong Hao, Yu Cheng, Chi Zhou, Wei Song
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