Message Passing Based Detection for Orthogonal Time Frequency Space Modulation
YUAN Zhengdao, LIU Fei, GUO Qinghua, WANG Zhongyong
Table 1
Factors, underlying distributions and functional forms associated with Eq. (31)
Factor
Distribution
Function Form
f
r
j
p
r
j
|
z
j
,
?
N
z
j
;
r
j
,
?
-
1
f
δ
j
p
z
j
|
x
δ
z
j
-
Φ
j
x
f
x
i
p
x
i
(
1
/
|
A
|
)
∑
a
=
1
A
δ
x
i
-
α
a
f
?
p
(
?
)
?
-
1