Message Passing Based Detection for Orthogonal Time Frequency Space Modulation
YUAN Zhengdao, LIU Fei, GUO Qinghua, WANG Zhongyong
Table 2
Computational complexity of various detectors per iteration
Detectors
Complexity
MP detector
O
(
M
N
S
|
A
|
)
VB detector
O
(
M
N
S
|
A
|
)
UAMP detector
O
M
N
l
o
g
(
M
N
)
+
O
M
N
|
A
|