Delay measurement system in a packet network

Details Delay measurement system in a packet network Delay measurement system in a packet network

2007-12-04

2007-12-04

Nguyen, Hanh (Department: 2616)

Multiplex communications

Duplex

Transmit/receive interaction control

C370S516000, C370S352000

Reexamination Certificate

active

10149725

ABSTRACT:
The present invention proposes a method of providing information of the echo path of a speech connection in a Packet Data Network, said method comprising the steps of requesting delay information by means for triggering echo removal, said delay information being obtained by signaling a non-speech measurement data unit to said Packet Data Network by an echo estimation means, and measuring the delay of the echo of said measurement data unit by said echo estimation means; replying the echo delay of said measurement data unit from said echo estimation means; generating delay information including at least said echo delay of said measurement data unit; and adjusting a shift register being related to an echo removing device by the use of said delay information such that the performance of said echo removing device is optimized in view of its echo removing capability.

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patent: 0 895 397 (1999-02-01), None
patent: WO 00/25487 (2000-05-01), None

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