<s>
Hybrid	B-Protocol
Scheduling	I-Protocol
is	O
a	O
class	O
of	O
scheduling	O
mechanisms	O
that	O
mix	O
different	O
scheduling	O
criteria	O
or	O
disciplines	O
in	O
one	O
algorithm	O
.	O
</s>
<s>
For	O
example	O
,	O
scheduling	O
uplink	B-Application
and	O
downlink	O
traffic	O
in	O
a	O
WLAN	B-Architecture
(	O
Wireless	B-Architecture
Local	I-Architecture
Area	I-Architecture
Network	I-Architecture
,	O
such	O
as	O
IEEE	O
802.11e	O
)	O
using	O
a	O
single	O
discipline	O
or	O
framework	O
is	O
an	O
instance	O
of	O
hybrid	B-Protocol
scheduling	I-Protocol
.	O
</s>
<s>
Another	O
example	O
could	O
be	O
scheduling	O
of	O
node	B-Protocol
communications	O
where	O
centralized	O
communications	O
and	O
distributed	O
communications	O
coexist	O
.	O
</s>
