نتایج جستجو برای: sub channel assignment
تعداد نتایج: 468847 فیلتر نتایج به سال:
This paper presents an integer programming model for dynamic channel assignment (DCA) under space and time-varying traffic demand. The algorithm minimizes the number of channels required to satisfy the traffic demand using a threshold based decision criterion on the carrier-to-interference ratio. A neighborhood based search procedure uses the most recent channel state information to perform a f...
Background and Purpose: Accurate calculating and evaluating of cost of services would result in clarity on the ways to achieve the desired goals in outsourcing of health centers and health comprehensive centers. The present study was carried out to calculate the total cost of services at one health center before and after assignment to private sector (2014-2016) in Iran. Methods: This researc...
Introduction of micro-cellular networks offer a potential increase in capacity of cellular networks, but they create problems in management of the cellular networks. A solution to these problems is self-organizing channel assignment algorithm with distributed control. In this paper, ''le first introduce the model of cellular learning automata in which learning automata are used to adjust the st...
In a wireless network, when a single channel is employed, hidden terminal and radio interference problems may occur. The two problems are the main factors that cause low network throughput. In fact, the hidden node problem results from radio interference. Up to the present, many researchers have used multi-channel schemes to solve the interference problem. However, amulti-channel system causes ...
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