Multiplex communications – Data flow congestion prevention or control – Control of data admission to the network
Reexamination Certificate
2005-01-14
2009-06-09
Mattis, Jason E (Department: 2416)
Multiplex communications
Data flow congestion prevention or control
Control of data admission to the network
C370S414000, C370S493000
Reexamination Certificate
active
07545745
ABSTRACT:
A terminal adapter for guaranteeing the quality of service of both voice and data packets is disclosed. Such quality is ensured by inserting gaps between successive data packets in a stream of multiplexed data and/or voice packets. A gap after a particular data packet is proportional to the size of that particular data packet. In this way, bandwidth is preserved for any voice packets that may have arrived during the transfer of the data packet as well as for any voice packets that arrive during the gap. The unconstrained upstream data bandwidth and the bandwidth used by voice calls may each be estimated by taking a plurality of instantaneous measurements of the available bandwidth and/or taking individual direct measurements. The size of data packets may be limited to a maximum size in order to ensure that time-sensitive voice packets experience only an acceptable delay in queue for transmission.
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Cherchali Ali M.
Choudhury Gagan Lal
Ezrol Gerald Murray
Gudelis Marius Jonas
Killian Thomas Joseph
AT&T Intellectual Property II L.P.
Mattis Jason E
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