The preamble in a transmission alerts the system that a transmission packet is beginning.
It typically includes a sequence of several pulses that are different from the encoded values
in the encoding. The preamble must be matched exactly before any data transmission can
??™0??™: Sig????™1??™ after 0 us & ??™0??™ after 3.55 us error 0.65 us;
T??6.25 us; A??1%;
Sig????™1??™ after 0 us & ??™0??™ after 7.5 us error 1.6 us;
T??12.5 us; A??1%;
Sig????™1??™ after 0 us & ??™0??™ after 15.1 us error 3.3 us;
T??25 us; A??1%;
??™1??™: Sig????™1??™ after 0 us & ??™0??™ after 8.3 us error 2.2 us;
T??10.95 us error 1.55 us; A??1%;
Sig????™1??™ after 0 us & ??™0??™ after 19.95 us error 7.75 us;
T??21.85 us error 3.15 us; A??1%;
Sig????™1??™ after 0 us & ??™0??™ after 33.8 us error 9.5 us;
T??43.75 error 6.25 us; A??1%;
FIGURE 3.8
Textual description of PIE.
??™0??™: if Lprev????™0??™ then Sig????™1??™ after 0 us & ??™0??™ after 3.1 us;
if Lprev????™1??™ then Sig????™0??™ after 0 us & ??™1??™ after 3.1 us;
T??6.2 us; A??7%;
if Lprev????™0??™ then Sig????™1??™ after 0 us & ??™0??™ after 2 us;
if Lprev????™1??™ then Sig????™0??™ after 0 us & ??™1??™ after 2 us;
T??3.9 us; A??10%;
if Lprev????™0??™ then Sig????™1??™ after 0 ns & ??™0??™ after 1.5 us;
if Lprev????™1??™ then Sig????™0??™ after 0 ns & ??™1??™ after 1.5 us;
T??3.1 us; A??10%;
if Lprev????™0??™ then Sig????™1??™ after 0 ns & ??™0??™ after 0.
Pages:
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107