Abstract
A Method of scrambling reference signals, device and user equipment using the method are provided. In the method, a plurality of layers of reference signals assigned on predetermined radio resource of a plurality of layers of resource blocks with the same time and frequency resources are scrambled, the method comprising: an orthogonalizing step of multiplying each layer of reference signal selectively by one of a plurality of orthogonal cover codes (OCCs) with the same length wherein the OCC multiplied to a first layer of reference signal can be configured as different from those multiplied to other layers of reference signals; and a scrambling step of multiplying all of symbols obtained from the OCC multiplied to each of the other layers of reference signals by a symbol-common scrambling sequence wherein the symbol-common scrambling sequences can be different from each other for reference signals multiplied by the same OCC.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Information | ||||||
| 4G | 23/09/2019 | ISLD-201912-056 | SUN PATENT TRUST | Yes | Family Member | ||||
| 4G | 14/12/2020 | ISLD-202012-017 | SUN PATENT TRUST | Yes | Basis Patent | ||||
Specification Information
Specification Information
Technologies
Family Information
| All Granted Patents In Patent Family : | ---- |
| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Information | |||||||
| JP2015510316A | 4G | 26/07/2016 | ISLD-201609-008 | PANASONIC CORP | Yes | Family Member | ||||
| JP2015510316A | 4G | 23/09/2019 | ISLD-201912-056 | SUN PATENT TRUST | Yes | Family Member | ||||
| JP2015510316A | 4G | 14/12/2020 | ISLD-202012-017 | SUN PATENT TRUST | No | Family Member | ||||
| JP6002243B2 | 4G | 26/07/2016 | ISLD-201609-008 | PANASONIC CORP | Yes | Family Member | ||||
| JP6002243B2 | 4G | 23/09/2019 | ISLD-201912-056 | SUN PATENT TRUST | Yes | Family Member | ||||
| JP6002243B2 | 4G | 14/12/2020 | ISLD-202012-017 | SUN PATENT TRUST | No | Family Member | ||||
| CN104054286A | 4G | 23/09/2019 | ISLD-201912-056 | SUN PATENT TRUST | Yes | Family Member | ||||
| CN104054286A | 4G | 14/12/2020 | ISLD-202012-017 | SUN PATENT TRUST | No | Family Member | ||||
| WO2013107025A1 | 4G | 23/09/2019 | ISLD-201912-056 | SUN PATENT TRUST | Yes | Basis Patent | ||||
| WO2013107025A1 | 4G | 14/12/2020 | ISLD-202012-017 | SUN PATENT TRUST | No | Family Member | ||||
| CN104054286B | 4G | 23/09/2019 | ISLD-201912-056 | SUN PATENT TRUST | Yes | Family Member | ||||
| CN104054286B | 4G | 14/12/2020 | ISLD-202012-017 | SUN PATENT TRUST | No | Family Member | ||||
| CN107181581A | 4G | 23/09/2019 | ISLD-201912-056 | SUN PATENT TRUST | Yes | Family Member | ||||
| CN107181581A | 4G | 14/12/2020 | ISLD-202012-017 | SUN PATENT TRUST | No | Family Member | ||||
| US2014355408A1 | 4G | 23/09/2019 | ISLD-201912-056 | SUN PATENT TRUST | Yes | Family Member | ||||
| US2014355408A1 | 4G | 14/12/2020 | ISLD-202012-017 | SUN PATENT TRUST | Yes | Basis Patent | ||||
| CN107181581B | ----- | ----- | ----- | ----- | ----- | ----- | ----- | |||
| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Information | |||||||||
| ----- | ----- | ----- | ----- | ----- |
S1
|
----- | ----- | ----- | ----- | |||
Technologies
Resource configuration Signal Processing
Product
User Equipment (UE/Terminal)
Use Cases
Wireless communication
Services
Data processing
Claim
1. A method of scrambling a plurality of layers of reference signals assigned on predetermined radio resources of a plurality of layers of resource blocks with the same time and frequency resources, comprising:
an orthogonalizing step of multiplying each layer of reference signal selectively by one of a plurality of orthogonal cover codes (OCCs) with the same length, wherein the OCC multiplied to a first layer of reference signal can be configured as different from those multiplied to other layers of reference signals; and
a scrambling step of multiplying all of symbols obtained from the OCC multiplied to each of the other layers of reference signals by a symbol-common scrambling sequence, wherein the symbol-common scrambling sequences can be different from each other for reference signals multiplied by the same OCC,
wherein the symbol-common scrambling sequence is expressed as r?l,n s (m) which is defined by
r
l
,
n
s
?
?
(
m
)
=
1
2
?
(
1
-
2
�
c
?
(
2
?
?
m
)
)
+
j
?
1
2
?
(
1
-
2
�
c
?
(
2
?
?
m
+
1
)
)
,
?
m
=
0
,
1
,
�
?
,
N
RB
max
,
DL
-
1
where ns is the slot number within a radio frame and l is the OFDM symbol number within the slot, the pseudo-random sequence c(i) is defined in Section 7.2 of 3GPP TS 36.211 V10.4.0, and its pseudo-random sequence generator is initialized with cinit=210�(7�(ns+1)+l+1)�(2�NID IMRS+1)+2�NID IMRS+NCP at the start of each OFDM symbol where NID IRMS indicates IM-RS ID and
N
CP
=
{
1
for
?
?
normal
?
?
CP
0
for
?
?
extended
?
?
CP
.
2. A method of scrambling a plurality of layers of reference signals assigned on predetermined radio resources of a plurality of layers of resource blocks with the same time and frequency resources, comprising:
an orthogonalizing step of multiplying each layer of reference signal selectively by one of a plurality of orthogonal cover codes (OCCs) with the same length, wherein the OCC multiplied to a first layer of reference signal can be configured as different from those multiplied to other layers of reference signals; and
a scrambling step of multiplying all of symbols obtained from the OCC multiplied to each of the other layers of reference signals by a symbol-common scrambling sequence, wherein the symbol-common scrambling sequences can be different from each other for reference signals multiplied by the same OCC,
wherein the symbol-common scrambling sequence which is expressed as r?l?,n s (m) is mapped to complex-valued modulation symbols ak,l (p) used as reference symbols on antenna port p according to
?
a
k
,
l
(
p
)
=
w
l
?
�
r
l
?
,
n
s
?
?
(
m
?
)
,
?
?
where
?
?
k
=
k
?
+
12
?
?
m
+
{
-
0
for
?
?
p
?
{
15
,
16
}
,
normal
?
?
cyclic
?
?
prefix
-
6
for
?
?
p
?
{
17
,
18
}
,
normal
?
?
cyclic
?
?
prefix
-
1
for
?
?
p
?
{
19
,
20
}
,
normal
?
?
cyclic
?
?
prefix
-
7
for
?
?
p
?
{
21
,
22
}
,
normal
?
?
cyclic
?
?
prefix
-
0
for
?
?
p
?
{
15
,
16
}
,
extended
?
?
cyclic
?
?
prefix
-
3
for
?
?
p
?
{
17
,
18
}
,
extended
?
?
cyclic
?
?
prefix
-
6
for
?
?
p
?
{
19
,
20
}
,
extended
?
?
cyclic
?
?
prefix
-
9
for
?
?
p
?
{
21
,
22
}
,
extended
?
?
cyclic
?
?
prefix
?
?
l
=
l
?
+
{
l
?
CSI
?
?
reference
?
?
signal
?
?
configurations
?
?
0
?
-
?
19
,
normal
?
?
cyclic
?
?
prefix
2
?
?
l
?
CSI
?
?
reference
?
?
signal
?
?
configurations
?
?
20
?
-
?
31
,
normal
?
?
cyclic
?
?
prefix
l
?
CSI
?
?
reference
?
?
signal
?
?
configurations
?
?
0
?
-
?
27
,
extended
?
?
cyclic
?
?
prefix
?
?
?
w
l
?
=
{
1
if
?
?
mod
?
?
(
N
ID
IMRS
,
2
)
=
0
(
-
1
)
l
?
if
?
?
mod
?
?
(
N
ID
IMRS
,
2
)
=
1
?
?
?
l
?
=
0
,
1
?
?
?
m
=
0
,
1
,
�
?
,
N
RB
DL
-
1
?
?
?
m
?
=
m
+
?
N
RB
max
,
DL
-
N
RB
DL
2
?
and the quantity (k?,l?) and the necessary conditions on ns are given by Tables 6.10.5.2-1 and 6.10.5.2-2 in 3GPP TS 36.211 V10.4.0 for normal and extended cyclic prefix respectively.
3. A method of scrambling a plurality of layers of reference signals assigned on predetermined radio resources of plurality of layers of resource blocks with the same time and frequency resources, comprising:
an orthogonalizing step of multiplying each layer of reference signal selectively by one of a plurality of orthogonal cover codes (OCCs) with the same length, wherein the OCC multiplied to a first layer of reference signal can be configured as different from those multiplied to other layers of reference signals;
a scrambling step of multiplying all of symbols obtained from the OCC multiplied to each of the other layers of reference signals by a symbol-common scrambling sequence, wherein the symbol-common scrambling sequences can be different from each other for reference signals multiplied by the same OCC;
a second scrambling step of multiplying all of symbols obtained from the OCC multiplied to each layer of reference signal respectively by different symbol-specific scrambling sequences which can be configured as common to all of the plurality of layers of reference signals; and
a third scrambling step of multiplying all of symbols obtained from the OCC multiplied to the first layer of reference signal by another symbol-common scrambling sequence which is the same as one of or different from all of the symbol-common scrambling sequences multiplied to the other layers of reference signals.
4. A device of scrambling a plurality of layers of reference signals assigned on predetermined radio resources of a plurality of layers of resource blocks with the same fine and frequency resources, comprising:
an orthogonalizing unit which, in operation, multiplies each layer of reference signal selectively by one of a plurality of orthogonal cover codes (OCCs) with the same length, wherein the OCC multiplied to a first layer of reference signal can be configured as different from those multiplied to other layers of reference signals;
a scrambling unit which, in operation, multiplies all of symbols obtained from the OCC multiplied to each of the other layers of reference signals by a symbol-common scrambling sequence, wherein the symbol-common scrambling sequences can be different from each other for reference signals multiplied by the same OCC;
a second scrambling unit which, in operation, multiplies all of symbols obtained from the OCC multiplied to each layer of reference signal respectively by different symbol-specific scrambling sequences which can be configured as common to all of the plurality of layers of reference signals; and
a third scrambling unit which, in operation, multiplies all of symbols obtained from the OCC multiplied to the first layer of reference signal by another symbol-common scrambling sequence which is the same as one of or different from all of the symbol-common scrambling sequences multiplied to the other layers of reference signals.
Associated Portfolios
Licensor Claim Chart
 Claim Chart |
 Technology |
 Creation Date |
 Download |
|---|---|---|---|
|
Claim charts will soon be available!
|
|||
To view claim charts you must become a Gold or Platinum Member.
Upgrade your subscriptionYou have reached the maximum number of patents which can be associated to your account per your subscription. If you wish to associate more patents
Please upgrade your subscription.Note:
The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
The information in grey was provided by the patent holder
The information in purple was extracted from the FrandAvenue
Explicitly disclosed patent
Implicitly disclosed patent
Basis patent
Family member