Public Safety Communications: Enhancement Through Cognitive Radio and Spectrum Sharing Principles

Abstract: 

Wireless communications technologies play an irreplaceable role in emergency and disaster relief situations. It is generally acknowledged that existing Public Safety (PS) wireless communications facilities frequently fall short of meeting users? needs in many critical situations. Emergency scenarios usually lead to exceptionally high traffic loads and the lack of network capacity is one of the major limitations to overcome. In this context, this work firstly discusses on the several dimensions enabling increased capacity in emergency scenarios and, after that, the attention is placed on the role of spectrum sharing as one of these key dimensions. In this regard, a comprehensive view of possible spectrum sharing models for emergency communications is developed. The key principles underlying each sharing model are given and its applicability described through illustrative examples, where it is made evident that Cognitive Radio (CR) technology constitutes a major technological enabler for their realisation. Finally, a discussion on the feasibility of each of the spectrum sharing models is addressed.

Authors
Authors: 
SALLENT Oriol, BALDINI Gianmarco, GORATTI Leonardo, FERRUS Ramon
Publication Year
Publication Year: 
2012
Type

Type:

Appears in Collections
Appears in Collections: 
Institute for the Protection and Security of the Citizen
Science Areas
JRC Institutes
Publisher
Publisher: 
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
ISSN
ISSN: 
1556-6072
Citation
Citation: 
IEEE VEHICULAR TECHNOLOGY MAGAZINE p. 54-61 no. 2 vol. 7