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METODE DAN KOMPONEN JARINGAN KOMUNIKASI UNTUK MEMINDAHKAN KONEKSI KONEKSI BERKECEPATAN BIT RENDAH ANTARA RANGKAIAN MASUKAN DAN RANGKAIAN KELUARAN
METODE DAN KOMPONEN JARINGAN KOMUNIKASI UNTUK MEMINDAHKAN KONEKSI KONEKSI BERKECEPATAN BIT RENDAH ANTARA RANGKAIAN MASUKAN DAN RANGKAIAN KELUARAN
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机译:消除输入电路与输出电路之间的低位速度连接的通信网络方法和组件
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摘要
The invention relates to the switching of low bit rate connections between input modules and output modules of a network component (e.g. BSC, RNC, TRAU). In accordance with the invention, the input modules (ILIC) and the output modules (OLIC) form a first switching level. An ATM switching centre (ASW) placed between the input modules and the output modules form a second switching level. In the first switching level, several low bit rate connections (TDM-I) are respectively grouped in at least one ATM by the input module (ILIC), said low bit rate connections being situated in the input module (ILIC) and having to be transmitted to the same output module (OLIC). In the second switching level, the switching centre ATM (ASW) guarantees through-connection of the ATM connections in order to transfer information in ATM cells. Then, in the first switching level, the through-connected ATM connections are converted by the output module (OLIC) into the low bit rate connection (TDM-O) of at least one input module (ILIC). The combined switching in two switching levels represents a particularly economical solution for functions specific to mobile radio, while guaranteeing acceptable speech quality with good utilization of the ATM bandwidth.
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