
129
Peak-to-average Power ratio
PAPR is reduced to 8.4 dB and 7.8 dB when the C-SLM technique
with M = 8 and 16 is applied to the system.
is PAPR reduction performance is improved by applying the
proposed OPS-DSI scheme and the PAPR of 7.6 dB can be achieved
when M = 1.
10
–1
10
0
10
–2
10
–3
10
–4
56789
Original OFDM signal
OPS–DSI, random phase sequence
OPS–DSI, interleave phase sequence
OPS–DSI, adjacent phase sequence
10 11
12
Figure 4.46 PAPR reduction performance of OPS-DSI with different types of phase sequences.
10
–1
10
0
10
–2
10
–3
10
–4
56789
Original OFDM signal
C–SLM, M = 8
C–SLM, M = 16
OPS–DSI, method
10 11
12