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II.9 Quantum Family modes of operation
These are Quantum’s four main modes of operation:
Real Time Ethernet transmission. When a wired IP connection is
available via an Ethernet connector, a bidirectional audio communication can
be established between two Quantum units using a wired IP link.
In the models with two Ethernet ports, it is also possible to use both for the
audio transmission. This can be done in two ways:
Bonding mode, splitting up the bit-stream into 2 bit-streams. Those 2
sub-streams will be multiplexed at the receiving end by another
Quantum codec.
Diversity, sending the same bit-stream through the two Ethernet ports.
Real Time 3G/4G transmission. When no wired IP connection is available,
a bidirectional audio communication between a portable Quantum unit and a
rack Quantum unit can still be established using the wireless 3G/4G
communication module. Quantum is able to aggregate bandwidth from up to
four 3G/4G data links, dividing up (demux) the bitstream into N sub-streams
that will be bonded (multiplexed) at Quantum receiving unit. Using this
technology, the bandwidth provided by the mobile network operators can be
widely enlarged. The Diversity approach is also possible using 3G/4G
connections.
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