US 2026/0197221 A1Published application

Signal modulation method, communication device, and storage medium

AssigneeZte Corporation

InventorsZhifeng YUAN, Yihua MA, Zhigang LI, Weimin LI

Life of this patent

Estimating the term…

Abstract

In the present disclosure a signal modulation method, a communication device, and a computer-readable non-transitory storage medium are provided. The method may include: modulating M+2 bits of information according to a first constellation diagram model, or modulating M+3 bits of information according to a second constellation diagram model, to obtain modulation symbols, where the first constellation diagram model comprises 4*N constellation points, the second constellation diagram model comprise 8*N constellation points.

Claims17

Dependent claims

A signal modulation method, comprising:

modulating M+2 bits of information according to a first constellation diagram model, or modulating M+3 bits of information according to a second constellation diagram model, to obtain modulation symbols, wherein the first constellation diagram model comprises 4*N constellation points, the second constellation diagram model comprise 8*N constellation points, M is an integer greater than 1, and N and M satisfy a formula N=2M,
a complex number form corresponding to the 4*N constellation points in the first constellation diagram model comprises the following:
a
1
⁢
e
j
⁢
θ
,
a
2
⁢
e
j
⁢
θ
,
…
,
a
N
⁢
e
j
⁢
θ
,
b
1
⁢
e
j
⁡
(
θ
+
π
/
2
)
,
b
2
⁢
e
j
⁡
(
θ
+
π
/
2
)
,
…
,
b
N
⁢
e
j
⁡
(
θ
+
π
/
2
)
,
a
1
⁢
e
j
⁡
(
θ
+
π
)
,
a
2
⁢
e
j
⁡
(
θ
+
π
)
,
…
,
a
N
⁢
e
j
⁡
(
θ
+
π
)
,
b
1
⁢
e
j
⁡
(
θ
+
3
⁢
π
/
2
)
,
b
2
⁢
e
j
⁡
(
θ
+
3
⁢
π
/
2
)
,
…
,
b
N
⁢
e
j
⁡
(
θ
+
3
⁢
π
2
)
;
a complex number form corresponding to the 8*N constellation points in the second constellation diagram model comprises the following:
a
1
⁢
e
j
⁢
θ
,
a
2
⁢
e
j
⁢
θ
,
…
⁢
f
⁢
a
N
⁢
e
j
⁢
θ
,
b
1
⁢
e
j
⁡
(
θ
+
π
4
)
,
b
2
⁢
e
j
⁡
(
θ
+
π
4
)
,
…
,
b
N
⁢
e
j
⁡
(
θ
+
π
4
)
,
a
1
⁢
e
j
⁡
(
θ
+
π
2
)
,
a
2
⁢
e
j
⁡
(
θ
+
π
2
)
,
…
,
a
N
⁢
e
j
⁡
(
θ
+
π
2
)
,
b
1
⁢
e
j
⁡
(
θ
+
3
⁢
π
4
)
,
b
2
⁢
e
j
⁡
(
θ
+
3
⁢
π
4
)
,
…
,
b
N
⁢
e
j
⁡
(
θ
+
3
⁢
π
4
)
,
a
1
⁢
e
j
⁡
(
θ
+
π
)
,
a
2
⁢
e
j
⁡
(
θ
+
π
)
,
…
⁢
f
⁢
a
N
⁢
e
j
⁡
(
θ
+
π
)
,
b
1
⁢
e
j
⁡
(
θ
+
5
⁢
π
4
)
,
b
2
⁢
e
j
⁡
(
θ
+
5
⁢
π
4
)
,
…
,
b
N
⁢
e
j
⁡
(
θ
+
5
⁢
π
4
)
,
a
1
⁢
e
j
⁡
(
θ
+
3
⁢
π
2
)
,
a
2
⁢
e
j
⁡
(
θ
+
3
⁢
π
2
)
,
…
,
a
N
⁢
e
j
⁡
(
θ
+
3
⁢
π
2
)
,
b
1
⁢
e
j
⁡
(
θ
+
7
⁢
π
4
)
,
b
2
⁢
e
j
⁡
(
θ
+
7
⁢
π
4
)
,
…
,
b
N
⁢
e
j
⁡
(
θ
+
7
⁢
π
4
)
;
wherein π is a symbol for Pi, j is an imaginary number and equal to √{square root over (−1)}, e is a natural logarithm, e is a real number, and, a1, a2, . . . , aN, b1, b2, . . . , bN are all positive numbers and satisfy:
0<a1<a2< . . . <aN, 0<b1<b2< . . . <bN.

497 more elements

A communication device, comprising:

at least one processor;
and
at least one memory configured to store at least one program;
wherein
when executed by the at least one processor, the at least one program causes the at least one processor to carry out a signal modulation method, the method comprising:
modulating M+2 bits of information according to a first constellation diagram model, or modulating M+3 bits of information according to a second constellation diagram model, to obtain modulation symbols, wherein the first constellation diagram model comprises 4*N constellation points, the second constellation diagram model comprise 8*N constellation points, M is an integer greater than 1, and N and M satisfy a formula N=2M,
a complex number form corresponding to the 4*N constellation points in the first constellation diagram model comprises the following:
a
1
⁢
e
j
⁢
θ
,
a
2
⁢
e
j
⁢
θ
,
…
,
a
N
⁢
e
j
⁢
θ
,
b
1
⁢
e
j
⁡
(
θ
+
π
/
2
)
,
b
2
⁢
e
j
⁡
(
θ
+
π
/
2
)
,
…
,
b
N
⁢
e
j
⁡
(
θ
+
π
/
2
)
,
a
1
⁢
e
j
⁡
(
θ
+
π
)
,
a
2
⁢
e
j
⁡
(
θ
+
π
)
,
…
,
a
N
⁢
e
j
⁡
(
θ
+
π
)
,
b
1
⁢
e
j
⁡
(
θ
+
3
⁢
π
/
2
)
,
b
2
⁢
e
j
⁡
(
θ
+
3
⁢
π
/
2
)
,
…
,
b
N
⁢
e
j
⁡
(
θ
+
3
⁢
π
2
)
;
a complex number form corresponding to the 8*N constellation points in the second constellation diagram model comprises the following:
a
1
⁢
e
j
⁢
θ
,
a
2
⁢
e
j
⁢
θ
,
…
,
a
N
⁢
e
j
⁢
θ
,
b
1
⁢
e
j
⁡
(
θ
+
π
4
)
,
b
2
⁢
e
j
⁡
(
θ
+
π
4
)
,
…
,
b
N
⁢
e
j
⁡
(
θ
+
π
4
)
,
a
1
⁢
e
j
⁡
(
θ
+
π
2
)
,
a
2
⁢
e
j
⁡
(
θ
+
π
2
)
,
…
,
a
N
⁢
e
j
⁡
(
θ
+
π
2
)
,
b
1
⁢
e
j
⁡
(
θ
+
3
⁢
π
4
)
,
b
2
⁢
e
j
⁡
(
θ
+
3
⁢
π
4
)
,
…
,
b
N
⁢
e
j
⁡
(
θ
+
3
⁢
π
4
)
,
a
1
⁢
e
j
⁡
(
θ
+
π
)
,
a
2
⁢
e
j
⁡
(
θ
+
π
)
,
…
,
a
N
⁢
e
j
⁡
(
θ
+
π
)
,
b
1
⁢
e
j
⁡
(
θ
+
5
⁢
π
4
)
,
b
2
⁢
e
j
⁡
(
θ
+
5
⁢
π
4
)
,
…
,
b
N
⁢
e
j
⁡
(
θ
+
5
⁢
π
4
)
,
a
1
⁢
e
j
⁡
(
θ
+
3
⁢
π
2
)
,
a
2
⁢
e
j
⁡
(
θ
+
3
⁢
π
2
)
,
…
,
a
N
⁢
e
j
⁡
(
θ
+
3
⁢
π
2
)
,
b
1
⁢
e
j
⁡
(
θ
+
7
⁢
π
4
)
,
b
2
⁢
e
j
⁡
(
θ
+
7
⁢
π
4
)
,
…
⁢
f
⁢
b
N
⁢
e
j
⁡
(
θ
+
7
⁢
π
4
)
;
wherein π is a symbol for Pi, j is an imaginary number and equal to √{square root over (−1)}, e is a natural logarithm, e is a real number, and, a1, a2, . . . , aN, b1, b2, . . . , bN are all positive numbers and satisfy:
0<a1<a2< . . . <aN, 0<b1<b2< . . . <bN.

500 more elements

Dependencies are inferred from the claim text.

Facts

Application: 19/131,760Filed 27 Nov 2023
Priority: CN 202211520120.530 Nov 2022
Published: 9 Jul 2026
Term ends: Not estimatedThe source records don’t support an estimate.

Classification5 codes

H04L 27/36
Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems: modulator circuits; Transmitter circuits
H04L 27/0012
Modulated-carrier systems: arrangements for identifying the type of modulation
H04L 27/34
Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26:…
H04L 27/3438
In which the constellation is the n - fold Cartesian product of a single underlying two-dimensional constellation: using an underlying generalised…

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Abstract

A signal modulation method, comprising:

modulating M+2 bits of information according to a first constellation diagram model, or modulating M+3 bits of information according to a second constellation diagram model, to obtain modulation symbols, wherein the first constellation diagram model comprises 4*N constellation points, the second constellation diagram model comprise 8*N constellation points, M is an integer greater than 1, and N and M satisfy a formula N=2M,
a complex number form corresponding to the 4*N constellation points in the first constellation diagram model comprises the following:
a
1
⁢
e
j
⁢
θ
,
a
2
⁢
e
j
⁢
θ
,
…
,
a
N
⁢
e
j
⁢
θ
,
b
1
⁢
e
j
⁡
(
θ
+
π
/
2
)
,
b
2
⁢
e
j
⁡
(
θ
+
π
/
2
)
,
…
,
b
N
⁢
e
j
⁡
(
θ
+
π
/
2
)
,
a
1
⁢
e
j
⁡
(
θ
+
π
)
,
a
2
⁢
e
j
⁡
(
θ
+
π
)
,
…
,
a
N
⁢
e
j
⁡
(
θ
+
π
)
,
b
1
⁢
e
j
⁡
(
θ
+
3
⁢
π
/
2
)
,
b
2
⁢
e
j
⁡
(
θ
+
3
⁢
π
/
2
)
,
…
,
b
N
⁢
e
j
⁡
(
θ
+
3
⁢
π
2
)
;
a complex number form corresponding to the 8*N constellation points in the second constellation diagram model comprises the following:
a
1
⁢
e
j
⁢
θ
,
a
2
⁢
e
j
⁢
θ
,
…
⁢
f
⁢
a
N
⁢
e
j
⁢
θ
,
b
1
⁢
e
j
⁡
(
θ
+
π
4
)
,
b
2
⁢
e
j
⁡
(
θ
+
π
4
)
,
…
,
b
N
⁢
e
j
⁡
(
θ
+
π
4
)
,
a
1
⁢
e
j
⁡
(
θ
+
π
2
)
,
a
2
⁢
e
j
⁡
(
θ
+
π
2
)
,
…
,
a
N
⁢
e
j
⁡
(
θ
+
π
2
)
,
b
1
⁢
e
j
⁡
(
θ
+
3
⁢
π
4
)
,
b
2
⁢
e
j
⁡
(
θ
+
3
⁢
π
4
)
,
…
,
b
N
⁢
e
j
⁡
(
θ
+
3
⁢
π
4
)
,
a
1
⁢
e
j
⁡
(
θ
+
π
)
,
a
2
⁢
e
j
⁡
(
θ
+
π
)
,
…
⁢
f
⁢
a
N
⁢
e
j
⁡
(
θ
+
π
)
,
b
1
⁢
e
j
⁡
(
θ
+
5
⁢
π
4
)
,
b
2
⁢
e
j
⁡
(
θ
+
5
⁢
π
4
)
,
…
,
b
N
⁢
e
j
⁡
(
θ
+
5
⁢
π
4
)
,
a
1
⁢
e
j
⁡
(
θ
+
3
⁢
π
2
)
,
a
2
⁢
e
j
⁡
(
θ
+
3
⁢
π
2
)
,
…
,
a
N
⁢
e
j
⁡
(
θ
+
3
⁢
π
2
)
,
b
1
⁢
e
j
⁡
(
θ
+
7
⁢
π
4
)
,
b
2
⁢
e
j
⁡
(
θ
+
7
⁢
π
4
)
,
…
,
b
N
⁢
e
j
⁡
(
θ
+
7
⁢
π
4
)
;
wherein π is a symbol for Pi, j is an imaginary number and equal to √{square root over (−1)}, e is a natural logarithm, e is a real number, and, a1, a2, . . . , aN, b1, b2, . . . , bN are all positive numbers and satisfy:
0<a1<a2< . . . <aN, 0<b1<b2< . . . <bN.

497 more elements

Facts

Application

19/131,760Filed 27 Nov 2023

Priority

CN 202211520120.530 Nov 2022

Published

9 Jul 2026

Term ends

Not estimatedThe source records don’t support an estimate.

Classification5 codes

H04L 27/36
Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems: modulator circuits; Transmitter circuits
H04L 27/0012
Modulated-carrier systems: arrangements for identifying the type of modulation
H04L 27/34
Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26:…
H04L 27/3438
In which the constellation is the n - fold Cartesian product of a single underlying two-dimensional constellation: using an underlying generalised…