<em>The catering service businesses in Tembalang District, Semarang City have experienced a decline sales due to Covid-19 and has fairly tight level of competition so that the requires business development strategy order survive be superior competitors. This research is qualitative descriptive study with data collection through interviews, questionnaires, observations. Data analysis used ...

In this paper, the parameters of the LTE system in DL are investigated. These parameters include the effect of the Hybrid Adaptive Repeat and Request henceforth (HARQ) on the Signal to Noise Ratio (SNR), Block Error Rate (BLER), and throughput. The paper deals with three cases of Channel Quality Indicator (CQI): 3,7 and 15.The results showed that the HARQ procedure can improve the BLER and the ...

We present COBS — a model of a concurrent object-based computational system with handshakes as elementary actions of inter-process communication. Processes are considered to be partial views of the system. Their communication by asynchronous message passing and variable sharing is modeled by elementary processes on the same abstraction level. The same acts of computation and communication can b...