[15] ORGOŇ, M., RÓKA, R., GRAŇÁK, B. :

Safety Solutions in PLC/BPL Systems,

In: Časopis EE,

Vol.15, No.4, August 2009, pp.34-36, ISSN 1335-2547 ( in Slovak )

[14] RÓKA, R., ORGOŇ, M. :

Possibilities of Novel Technologies of High Speed Transmission of Multimedia Signals via Solid Transmission Media in the Access Networks,

In: Časopis EE,

Vol.15, No.3, June 2009, pp.16-19, ISSN 1335-2547 ( in Slovak )

[13] RÓKA, R. :

Modeling of Environmental Influences at the Signal Transmission by means of the VDSL and PLC Technologies,

In: International Journal of Electrical Communication Networks and Information Security – IJCNIS,

Vol. 1, No. 1, 2009, pp. 6-13, ISSN 2073-607X, ( in English )

[12] RÓKA, R.:

The Design of a PLC Modem and its Implementation Using FPGA Circuits,

In: Journal of Electrical Engineering – EČ,

Vol. 60, No. 1, 2009, pp. 43-47, ISSN 1335-3632, ( in English )

[11] RÓKA, R., URMINSKÝ, J. :

Experimental Measurements for Verification of the Parametric Model for Reference Channels in the Real PLC Environment,

In: Journal of Electrical Engineering – EČ, Vol. 59, No. 3, 2008, pp. 146-152, ISSN 1335-3632

[10] RÓKA, R. :

The Parametric Model for PLC Reference Channels and its Verification in the Real PLC Environment,

In: AEEE, Vol.7, No.1-2, 2008, pp.40-43, ISSN 1336-1376 & ELEKTRO 2008 – 7th International Conference, Žilina ( Slovakia ), 20. - 21. 5. 2008

[9]  RÓKA, R. :

Hardware platform of technologies on the level of access and transport layers in the IKT infrastructure of converged networks NGN,

In: Časopis EE, Vol. 12, No. 6, December 2006, pp. 18-21, ISSN 1335-2547, ( in Slovak )

[8] RÓKA, R. - DLHÁŇ, S. :

Modelling of transmission channels over the low-voltage power distribution network,

In: Journal of Electrical Engineering – EČ, Vol. 56, No. 9-10, 2005, pp. 237-245, ISSN 1335-3632

[7] RÓKA, R. :

Options of xDSL Technology and Implementing Services in Universal Access Network Tier of NGN Architecture

In: TELEKOMUNIKACE, Vol. 42, No. 7-8, July 2005, pp. 15-20, ISSN 0040-2591, ( in Slovak )

[6] RÓKA, R. - DLHÁŇ, S. :

The Analysis of Features of Modified Precoding and Coding Techniques Used by the VDSL Technology,

In: Journal of Electrical Engineering – EČ, Vol. 55, No. 11-12, 2004, pp. 281-289, ISSN 1335-3632

[5] RÓKA, R. :

Environmental Influences on the Power Spectral Densities of VDSL Signals,

In: Journal of Electrical Engineering – EČ, Vol. 55, No. 1-2, 2004, pp. 18-24, ISSN 1335-3632

[4] RÓKA, R. :

Practical limits of transmission channels used by the proposed VDSL Technology,

In: Journal of Electrical Engineering – EČ, Vol. 54, No. 7-8, 2003, pp. 202-207, ISSN 1335-3632

[3] RÓKA, R. - CISÁR, R. :

The Analysis of Negative Influences in the Environment of Homogeneous Symmetric Lines at the Signal Transmission

by Means of the ADSL Technology,

In: Journal of Electrical Engineering – EČ, Vol. 53, No. 9-10, 2002, pp. 241-249, ISSN 1335-3632

[2] RÓKA, R. :

Theoretical and practical limits of transmission channels used by the ADSL technology in the metallic line’s environment

in the access network in Slovakia,

In: Journal of Electrical Engineering – EČ, Vol. 53, No. 3-4, 2002, pp. 91-96, ISSN 1335-3632

[1] ČUCHRAN, J. - RÓKA, R. :

Constraints to metallic symmetric cable lines using xDSL technology for spreading multi-media services

in access networks,

In: TELEKOMUNIKACE, Vol. 38, No. 6, June 2001, pp. 15-17, ISSN 0040-2591, ( in Slovak )