Title
Spectrum sensing for cognitive radio systems: technical aspects and standardization activities of the IEEE P1900.6 working group
Abstract
The evolution of future wireless communication systems imposes a strong requirement on the efficiency of spectrum usage, which is expected to be leveraged by interacting and cooperating cognitive radios forming wider cognitive radio systems. Dynamic spectrum access is a potential means to improve spectrum usage. A key step in realizing DSA is to obtain spectral occupancy information provided by spectrum sensors. Subsequently, nodes in a CRS analyze spectrum usage to find unused spectrum (often referred to as white spaces). Then the system makes a decision on the best opportunities considering regulatory policy, transceiver capacity, and so on. In such an operation, sensing information exchange plays a fundamental and key role in enabling efficient DSA. This article presents the technical issues and IEEE standardization activities related to sensing information exchange. In particular, the IEEE P1900.6 working group activities aimed at standardizing logical interfaces and data structures required for exchange of sensing related information between sensors and their clients are discussed. By explaining the objective, use cases, reference model, data structure, data representation, and generic procedures developed so far, the article presents the main technical aspects of the IEEE P1900.6 sensing interface and its usefulness in CRSs.
Year
DOI
Venue
2011
10.1109/MWC.2011.5714023
IEEE Wireless Commun.
Keywords
Field
DocType
spectral occupancy information,ieee p1900,related information,spectrum sensor,dynamic spectrum access,information exchange,cognitive radio system,ieee standardization activity,spectrum usage,technical aspect,data structure,unused spectrum,layout,sensors,dynamic scheduling,working group,cognitive radio,radio access network,data structures
White spaces,Inter-Access Point Protocol,External Data Representation,IEEE 802.11,Computer science,Information exchange,Computer network,IEEE 802,DySPAN,Cognitive radio,Distributed computing
Journal
Volume
Issue
ISSN
18
1
1536-1284
Citations 
PageRank 
References 
9
0.55
0
Authors
8
Name
Order
Citations
PageRank
K. Moessner114423.09
Hiroshi Harada239948.96
Chen Sun317217.95
Y. D. Alemseged490.55
Ha Nguyen Tran523530.82
D. Noguet6211.71
R. Sawai792.24
N. Sato8181.22