NDLI: Access to RF White Spaces in Romania: Present and Future

Content Provider	Springer Nature Link
Author	Martian, Alexandru Craciunescu, Razvan Vulpe, Alexandru Suciu, George Fratu, Octavian
Copyright Year	2015
Abstract	As the demand for frequency resources increases because of the great number of new wireless technologies, the frequency spectrum becomes overcrowded and solutions have to be found in order to solve this problem. One possible solution would be to take advantage of the so called white spaces (WS), frequency bands that are actually not used by the primary (licensed) radio communication systems, by using a dynamic spectrum access (DSA) approach. In order to take advantage of these spaces, secondary (unlicensed) users have to perform a spectrum sensing process in order to accurately detect the presence of a primary system and avoid unwanted interference with it. This paper provides an overview of the status of WS in Romania by analysing the current regulations and the analogue switch-off that is planned to take place in the near future (2015). The current state of the art regarding several standards that incorporate DSA elements is being made, emphasizing the high interest in using this WS in upcoming communication systems. In order to prove the low degree in which the RF spectrum is currently used, the results of a measurement campaign performed in both urban and rural locations of Romania are discussed. A comparison with the results of other similar measurement campaigns conducted in several locations worldwide is performed as well. Several frequency bands are identified as possible WS for future opportunistic use.
Starting Page	693
Ending Page	712
Page Count	20
File Format	PDF
ISSN	09296212
Journal	Wireless Personal Communications
Volume Number	87
Issue Number	3
e-ISSN	1572834X
Language	English
Publisher	Springer US
Publisher Date	2015-05-10
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	RF white spaces Dynamic spectrum access Spectrum sensing Measurement campaign Communications Engineering, Networks Signal, Image and Speech Processing Computer Communication Networks
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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