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1. (WO1998051114) SHORT PACKET CIRCUIT EMULATION

Pub. No.:    WO/1998/051114    International Application No.:    PCT/SE1998/000750
Publication Date: Fri Nov 13 00:59:59 CET 1998 International Filing Date: Sat Apr 25 01:59:59 CEST 1998
IPC: H04L 12/56
H04Q 11/04
Applicants: TELEFONAKTIEBOLAGET LM ERICSSON
Inventors: WESTBERG, Lars
Title: SHORT PACKET CIRCUIT EMULATION
Abstract:
Transportation of low bit rate, circuit emulation data over an asynchronous transfer mode (ATM) connection is improved by packetizing the circuit emulation data into short packets in accordance with a packetization clock. The packetization clock is derived as a function of the ATM cell shaping clock. The short packets are then multiplexed together into a single ATM connection and transported to a receiving unit in accordance with an ATM cell shaping clock. The circuit emulation data is then extracted at the receiving unit and forwarded to the corresponding circuit emulation connection at the appropriate service rate, which is recovered based on ATM connection characteristics.