<s>
TransferJet	B-Protocol
is	O
a	O
close	O
proximity	O
wireless	O
transfer	O
technology	O
initially	O
proposed	O
by	O
Sony	O
and	O
demonstrated	O
publicly	O
in	O
early	O
2008	O
.	O
</s>
<s>
By	O
touching	O
(	O
or	O
bringing	O
very	O
close	O
together	O
)	O
two	O
electronic	O
devices	O
,	O
TransferJet	B-Protocol
allows	O
high	O
speed	O
exchange	O
of	O
data	O
.	O
</s>
<s>
The	O
concept	O
of	O
TransferJet	B-Protocol
consists	O
of	O
a	O
touch-activated	O
interface	O
which	O
can	O
be	O
applied	O
for	O
applications	O
requiring	O
high-speed	O
data	O
transfer	O
between	O
two	O
devices	O
in	O
a	O
peer-to-peer	O
mode	O
without	O
the	O
need	O
for	O
external	O
physical	O
connectors	O
.	O
</s>
<s>
TransferJet	B-Protocol
's	O
maximum	O
physical	O
layer	O
transmission	O
rate	O
is	O
560	O
Mbit/s	O
.	O
</s>
<s>
TransferJet	B-Protocol
will	O
adjust	O
the	O
data	O
rate	O
downward	O
according	O
to	O
the	O
wireless	O
environment	O
,	O
thereby	O
maintaining	O
a	O
robust	O
link	O
even	O
when	O
the	O
surrounding	O
wireless	O
condition	O
fluctuates	O
.	O
</s>
<s>
TransferJet	B-Protocol
has	O
the	O
capability	O
of	O
identifying	O
the	O
unique	O
MAC	O
addresses	O
of	O
individual	O
devices	O
,	O
enabling	O
users	O
to	O
choose	O
which	O
devices	O
can	O
establish	O
a	O
connection	O
.	O
</s>
<s>
TransferJet	B-Protocol
uses	O
the	O
same	O
frequency	O
spectrum	O
as	O
UWB	O
,	O
but	O
occupies	O
only	O
a	O
section	O
of	O
this	O
band	O
available	O
as	O
a	O
common	O
worldwide	O
channel	O
.	O
</s>
<s>
Since	O
the	O
RF	O
power	O
is	O
kept	O
under	O
-70	O
dBm/MHz	O
,	O
it	O
can	O
operate	O
in	O
the	O
same	O
manner	O
as	O
that	O
of	O
UWB	O
devices	O
equipped	O
with	O
DAA	B-General_Concept
functionality	O
.	O
</s>
<s>
In	O
addition	O
,	O
this	O
low	O
power	O
level	O
also	O
ensures	O
that	O
there	O
will	O
be	O
no	O
interference	O
to	O
other	O
wireless	O
systems	O
,	O
including	O
other	O
TransferJet	B-Protocol
systems	O
,	O
operating	O
nearby	O
.	O
</s>
<s>
By	O
reducing	O
the	O
RF	O
power	O
and	O
spatial	O
reach	O
down	O
to	O
a	O
few	O
centimeters	O
(	O
about	O
an	O
inch	O
or	O
less	O
)	O
,	O
a	O
TransferJet	B-Protocol
connection	O
in	O
its	O
most	O
basic	O
mode	O
does	O
not	O
require	O
any	O
initial	O
setup	O
procedure	O
by	O
the	O
user	O
for	O
either	O
device	O
,	O
and	O
the	O
action	O
of	O
spontaneously	O
touching	O
one	O
device	O
with	O
another	O
will	O
automatically	O
trigger	O
the	O
data	O
transfer	O
.	O
</s>
<s>
TransferJet	B-Protocol
utilizes	O
a	O
newly	O
developed	O
TransferJet	B-Protocol
Coupler	O
based	O
on	O
the	O
principle	O
of	O
electric	O
induction	O
field	O
as	O
opposed	O
to	O
radiation	O
field	O
for	O
conventional	O
antennas	O
.	O
</s>
<s>
The	O
functional	O
elements	O
of	O
a	O
generic	O
TransferJet	B-Protocol
Coupler	O
consist	O
of	O
a	O
coupling	O
electrode	O
or	O
plate	O
,	O
a	O
resonant	O
stub	O
and	O
ground	O
.	O
</s>
<s>
Compared	O
to	O
conventional	O
radiating	O
antennas	O
,	O
the	O
TransferJet	B-Protocol
Coupler	O
achieves	O
higher	O
transmission	O
gain	O
and	O
more	O
efficient	O
coupling	O
in	O
the	O
near-field	O
while	O
providing	O
sharp	O
attenuation	O
at	O
longer	O
distances	O
.	O
</s>
<s>
Although	O
sometimes	O
confused	O
with	O
Near	O
Field	O
Communication	O
,	O
TransferJet	B-Protocol
depends	O
on	O
an	O
entirely	O
different	O
technology	O
and	O
is	O
also	O
generally	O
targeted	O
for	O
different	O
usage	O
scenarios	O
focusing	O
on	O
high-speed	O
data	O
transfer	O
.	O
</s>
<s>
Other	O
recent	O
products	O
combine	O
TransferJet	B-Protocol
with	O
wireless	O
power	O
to	O
allow	O
both	O
data	O
transfer	O
and	O
wireless	O
charging	O
capability	O
simultaneously	O
in	O
the	O
same	O
location	O
.	O
</s>
<s>
TransferJet	B-Protocol
,	O
NFC	O
and	O
wireless	O
power	O
are	O
the	O
three	O
major	O
near-field	O
(	O
contact-less	O
)	O
technologies	O
that	O
are	O
expected	O
to	O
eliminate	O
the	O
physical	O
connections	O
and	O
cables	O
currently	O
required	O
to	O
interface	O
devices	O
with	O
each	O
other	O
.	O
</s>
<s>
The	O
TransferJet	B-Protocol
Consortium	O
was	O
established	O
in	O
July	O
2008	O
to	O
advance	O
and	O
promote	O
the	O
TransferJet	B-Protocol
Format	O
,	O
by	O
developing	O
the	O
technical	O
specifications	O
and	O
compliance	O
testing	O
procedures	O
as	O
well	O
as	O
creating	O
a	O
market	O
for	O
TransferJet-compliant	O
,	O
interoperable	O
products	O
.	O
</s>
<s>
The	O
TransferJet	B-Protocol
regular	O
typeface	O
and	O
TransferJet	B-Protocol
logos	O
are	O
trademarks	O
managed	O
and	O
licensed	O
by	O
the	O
TransferJet	B-Protocol
Consortium	O
.	O
</s>
<s>
The	O
first	O
commercially	O
available	O
TransferJet	B-Protocol
development	O
platform	O
for	O
embedded	O
systems	O
was	O
launched	O
by	O
Icoteq	O
Ltd	O
in	O
February	O
2015	O
.	O
</s>
<s>
Smartphones	O
with	O
integrated	O
TransferJet	B-Protocol
functionality	O
were	O
launched	O
in	O
June	O
2015	O
from	O
Fujitsu	O
,	O
and	O
Bkav	O
.	O
</s>
<s>
TransferJet	B-Protocol
X	O
is	O
a	O
new	O
second-generation	O
TransferJet	B-Protocol
specification	O
capable	O
of	O
data	O
transfer	O
speeds	O
of	O
13.1	O
Gbit/sec	O
and	O
above	O
,	O
or	O
about	O
20	O
times	O
the	O
speed	O
of	O
current	O
TransferJet	B-Protocol
.	O
</s>
<s>
The	O
TransferJet	B-Protocol
Consortium	O
is	O
currently	O
defining	O
the	O
details	O
of	O
the	O
TransferJet	B-Protocol
X	O
ecosystem	O
,	O
based	O
on	O
the	O
IEEE	O
802.15.3e	O
standard	O
completed	O
and	O
published	O
in	O
June	O
2017	O
.	O
</s>
<s>
The	O
HRCP	O
Research	O
and	O
Development	O
Partnership	O
,	O
established	O
in	O
2016	O
,	O
is	O
developing	O
an	O
SoC	B-Architecture
solution	O
for	O
implementing	O
TransferJet	B-Protocol
X	O
in	O
a	O
variety	O
of	O
products	O
and	O
services	O
to	O
be	O
released	O
starting	O
around	O
2020	O
.	O
</s>
