Enhanced General Packet Radio Service OPNET Model
نویسندگان
چکیده
In this paper, we describe the enhancements made to an existing General Packet Radio Service (GPRS) network OPNET model. These enhancements to the existing model are the implementations of the Logical Link Control (LLC) layer, the Base Station Subsystem (BSS), and the cell update procedure. We first present an overview of the GPRS network, the LLC layer, and the existing OPNET model. We then describe the implementation of the LLC layer, the BSS consisting of a Base Station (BS) and a Base Station Controller (BSC), and the autonomous cell reselection procedure performed by the mobile station. Four simulation scenarios were used to verify the accuracy of the OPNET implementation. We conclude by suggesting possible further enhancements to the GPRS OPNET model.
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