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16 results on '"Holy, Radek"'

15. Security concept of individual identification in academic environment of CTU in Prague.

Author

Holy, Radek, Kalikova, Jana, and Scherks, Jan

Abstract

Personnel identification is everyday struggle between each individual and security personnel. This is equally important on academic grounds where unauthorized individuals could access university resources and university research. We can assume that every academic individual poses university identification card that can be used for access to restricted areas, computers, library or cafeterias but this identity card can be lost, stolen or borrowed to someone else. Therefore added security in form of combination of more complex chip card architecture and biometric is desired in today's world. [ABSTRACT FROM PUBLISHER]

Published
2012

16. GENERALIZED RADIO RESOURCE MANAGEMENT FOR OVERLAPPING MBS ZONES.

Author

Fang LUO, Yu-Feng CHOU, Ray-Guang CHENG, KALIKA, Marek, HOLY, Radek, and KALIKOVA, Jana

Subjects
RADIO resource management, DATA packeting, ELECTRONIC modulation, CODING theory, DATA transmission systems, RESOURCE allocation
Abstract

Multicast and broadcast service (MBS) is a point-to-multipoint service where data packets are transmitted simultaneously from a single source to multiple destinations. In MBS, some base stations (BSs) may form an MBS zone and transmit identical MBS contents simultaneously using the same modulation and coding scheme. Hence, the network has to coordinate the transmission of BSs such that BSs belonging to multiple MBS zones may utilize non-conflict resources to transmit different MBS contents. This paper extends the work in [1] for accommodating MBS zones with different service presence probabilities and various bandwidth requirements. A continuous allocation algorithm and a non-continuous allocation algorithm are presented to allocate resource units for overlapping MBS zones. Simulations were conducted to verify the effectiveness of the proposed algorithms. [ABSTRACT FROM AUTHOR]

Published
2013
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