Collaborative spectrum sensing for opportunistic access in fading environments

By A. Ghasemi, Elvino Silveira Sousa. First IEEE International Symposium on New Frontiers in Dynamic Spectrum Access Networks, 2005. DySPAN 2005., 2005

2,010 citations recorded by the source corpus.

Subfields: Computer Networks and Communications, Electrical and Electronic Engineering

View Paper: https://www.semanticscholar.org/paper/e1d01455671d2db0d104140fd181e1ee1d29fc22

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In Computer Networks and Communications

In Electrical and Electronic Engineering

Citations in the corpus

Spectrum Sharing for Multi-Hop Networking with Cognitive Radios (2008, background): “A frequency-agile radio module is capable of sensing the available bands [3], [9], [10], [20], [26], [30], reconfiguring RF, and switching to newlyselected frequency bands.”
Dynamic Spectrum Access: Signal Processing, Networking, and Regulatory Policy (2006, neutral): “To improve detection accuracy, researchers have suggested cooperative spectrum sensing [22], [25], [26].”
Cluster-Based Cooperative Spectrum Sensing in Cognitive Radio Systems (2007, methodology): “To overcome this problem, cooperative spectrum sensing has been proposed to exploit multiuser diversity in sensing process [5], [6].”
Spectrum sensing in cognitive radio networks: requirements, challenges and design trade-offs (2008, background): “The diversity gain achieved through such cooperative spectrum sensing improves the overall detection sensitivity without imposing higher sensitivity requirements on individual cognitive radios [ 10 ].”
Decentralized cognitive MAC for opportunistic spectrum access in ad hoc networks: A POMDP framework (2007, background): “A. Swami is with the Army Research Laboratory, Adelphi, MD 20783 (e-mail: aswami@arl.army.mil).”
A Survey of Dynamic Spectrum Access (2007, neutral): “To improve detection accuracy, cooperative spectrum sensing has been proposed [18], [21], [22].”
A survey of spectrum sensing algorithms for cognitive radio applications (2009, methodology): “Average probability of detection for energy detector based sensing algorithms under Rayleigh fading channels is derived in [70].”
Multiple antenna spectrum sensing in cognitive radios (2010, background): “One approach to improve the performance in the fading channels, is to use collaborative spectrum sensing [3], [4], [27].”
A Survey on MAC Strategies for Cognitive Radio Networks (2012, background): “As stated in [47], [45] collaborative detection is, however, limited by the effects of spatially correlated shadowing.”
Collaborative wideband sensing for cognitive radios (2008, background): “Alternatively, the OR logic operation can be used to combine decisions from several secondary users [23], where the fusion center decides H1 if any one of the users claims that H1 is true.”
Cognitive radio networking and communications: an overview (2011, background): “spatial diversity [38], and the required detection time at each individual CR user may also decrease [39], [40].”
Joint Design and Separation Principle for Opportunistic Spectrum Access in the Presence of Sensing Errors (2007, background): “Although the issue of spectrum sensing errors has been investigated at the PHY layer [15]–[19], cognitive MAC design in the presence of sensing errors has received little attention.”
Soft Combination and Detection for Cooperative Spectrum Sensing in Cognitive Radio Networks (2008, background): “For conventional hard combination scheme, 1-out-of-N rule ([7]) is adopted, which means that primary signal will be declared present if any one of the cooperative CR users decides locally that primary signal exists.”
Opportunistic Spectrum Access in Fading Channels Through Collaborative Sensing (2007, background): “Building upon this idea, collaborative spectrum sensing has been recently studied in [14]–[17].”