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A novel on-demand cognitive pilot channel enabling dynamic spectrum allocation

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4 Author(s)
Perez-Romero, J. ; Dept. of Signal Theor. & Commun., Univ. Polytech. de Catalunya, Barcelona, Spain ; Sallent, O. ; Agusti, R. ; Giupponi, L.

This paper addresses the implementation of the cognitive pilot channel (CPC), which has been recently proposed as a solution to assist the mobile reconfigurable and cognitive terminals in heterogeneous wireless scenarios with different access networks available and varying spectrum allocations. The paper describes the operation of the CPC and the different approaches existing in the literature depending on how it is mapped onto specific radio resources. Then, it focuses on the implementation of the CPC information delivery and proposes the use of an on-demand CPC, which requires a significantly lower bit rate than the broadcast approach to achieve similar performance.

Published in:

New Frontiers in Dynamic Spectrum Access Networks, 2007. DySPAN 2007. 2nd IEEE International Symposium on

Date of Conference:

17-20 April 2007