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The symmetric block ciphers, which represent a core element for building cryptographic communications systems and protocols, are used in providing message confidentiality, authentication and integrity. Various limitations in hardware and software resources, especially in terminal devices used in mobile communications, affect the selection of appropriate cryptosystem and its parameters. In this paper,...
Broadband solutions, i.e., broadband technologies and services, offer users numerous benefits. However, inequalities related to the levels of broadband solutions’ deployment and adoption between rural and urban areas, i.e., the digital divide, remain a consequential problem worldwide. To reduce the digital divide, the issues related to the deployment and usage of broadband solutions in rural areas...
In this paper, an overview and comparison of analytical models used for prediction and forecast of broadband services adoption are presented. First, the importance of predictive modeling process of broadband services adoption is described. Furthermore, the comparison of several commonly used models for prediction and forecast of services adoption processes is conducted. Finally, in order to more accurately...
In this paper, wireless deployment scenarios for network operators delivering broadband Internet access in underserved rural areas lacking adequate basic PSTN network infrastructure are examined. Considering the defined operators' broadband coverage targets, the existing national regulatory demands and the EU initiatives engaged in a Digital divide reduction, further deployment of broadband access...
Security aspects of the wireless sensor networks (WSN) are extremely complex since they are implemented in very heterogeneous real scenarios. None of the security mechanisms can independently provide full protection for the WSN and guarantee proper security level for the user. Different security mechanisms should operate cooperatively and integrated into unique security framework. This paper proposes...
In this paper, several groups of demographic and socio-economic factors expected to explain the existing digital gap between the rural and the urban areas are identified and examined. Among the great number of different demographic and socio-economic data, only the factors identified as particularly important for broadband adoption were selected for the inclusion in a further econometric analysis...
The paper evaluates mobile broadband access networks deployment from the techno-economic aspects. In this paper, the current situation in the European broadband market is analyzed. Furthermore, the model to assess the cost of mobile broadband access networks is introduced and the techno-economic analyses of mobile broadband networks deployments are conducted. In the chosen sample area scenarios the...
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