Voice over internet protocol (VoIP) downlink packet...

Details Voice over internet protocol (VoIP) downlink packet... Voice over internet protocol (VoIP) downlink packet...

2007-01-16

2010-06-01

Pérez-Gutiérrez, Rafael (Department: 2617)

Multiplex communications

Data flow congestion prevention or control

Control of data admission to the network

C370S231000, C370S235000, C370S508000

Reexamination Certificate

active

07729247

ABSTRACT:
A VoIP downlink packet scheduling apparatus and method in a mobile communication Base Station (BS) system are provided. The downlink packet scheduling apparatus includes a packet queue for storing a downlink packet when the downlink packet is received; a downlink scheduler for selecting a packet stored to the packet queue under a certain condition and scheduling a corresponding packet according to whether a packet drop module determines to drop the selected packet; and the packet drop module calculates a transmission delay time of the packet, determines whether the transmission delay time of the packet meets a threshold, and determines whether to drop or transmit the corresponding packet according to whether the threshold is satisfied.

REFERENCES:
patent: 6272132 (2001-08-01), Ofek et al.
patent: 6360271 (2002-03-01), Schuster et al.
patent: 2003/0058792 (2003-03-01), Shao et al.
patent: 2006/0268713 (2006-11-01), Lundstrom
patent: 2002-217959 (2002-08-01), None
patent: 1020000047034 (2000-07-01), None
patent: 1020030060027 (2003-07-01), None
patent: 1020040108244 (2004-12-01), None

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