Product manual

System description, DECT air interface
Technical Product Manual - DCT1800-GAP
TD 92093 (1/LZBNB 103 108 R4D) / 2006-03-09/ Ver.C
© 2006
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Fig. 21 Reuse of DECT channels
6.2.2 Multiple Carrier (MC)
In DECT, ten radio carriers are used (see figure 22). Any DECT base station and cordless phone can
use these frequencies.
Fig. 22 Carriers and time slots
Channel N
Channel N
Channel N
Channel N
Channel N
Channel N
008
Carrier 0
T ime slot:
Base station transmits Cordless phone transmits
a
Carrier 1
b
Carrier 2
Carrier 3
d
Carrier 4
e
Carrier 5
f
Carrier 6
g
Carrier 7
Carrier 8
Carrier 9
c
a
b
d
e
f
gc
a
b
n
n
Base station transmits to cordless phone n
Cordless phone n transmits to base station
Time
0 1 2 3 4 5 6 7 8 9 1011121314151617181920212223
TDMA frame: 10 ms
009