IP Library › Granted Patent US 12701563

Granted Patent B2

US 12701563 · App. 18/369,369 · Granted Aug 4, 2026

Method and apparatus for configuring scrambling code resource, and terminal device and network device

Inventor: Jiangsheng Fan (Dongguan, CN)

Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

H04W72/0466 H04W72/232

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Quick Facts

Patent No.: US 12701563
App. No.: 18/369,369
Granted: Aug 4, 2026
Kind: B2

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Abstract

Provided are a method and apparatus for configuring a scrambling resource, and a terminal device and a network device. A terminal device receives scrambling indication information sent by a network device, the scrambling indication information being used for determining at least one scrambling type of scrambling format; and the terminal device acquires at least one scrambling sequence on the basis of the at least one scrambling type of scrambling format determined according to the scrambling indication information, each of the at least one scrambling sequence being used for demodulating or scrambling a physical resource corresponding to the scrambling sequence.

Claims (103)

1 . A method for configuring a scrambling code resource, the method comprising:

receiving, by a terminal device, scrambling code indication information sent by a network device, the scrambling code indication information being used to determine a scrambling code format of at least one scrambling code category; and

acquiring, by the terminal device, at least one scrambling code sequence on the basis of the scrambling code format of the at least one scrambling code category determined by the scrambling code indication information, wherein each of the at least one scrambling code sequence is used to demodulate or scramble a physical resource corresponding to the scrambling code sequence,

the method further comprising:

receiving, by the terminal device, an activation instruction or a deactivation instruction sent by the network device, wherein the activation instruction is used to activate the scrambling code indication information, and the deactivation instruction is used to deactivate the scrambling code indication information,

wherein the activation instruction or the deactivation instruction comprises at least one of the following: dedicated signaling, a media access control (MAC) control element (CE), downlink control information (DCI), a paging short message, and a paging message.

2 . The method according to claim 1 , wherein the scrambling code indication information comprises bit mapping information for indicating the scrambling code format of the at least one scrambling code category,

wherein the bit mapping information comprises at least one bit, each bit of the at least one bit or a bit combination formed by a plurality of bits is associated with one or more scrambling code categories, and a value of the bit or the bit combination is used to indicate a scrambling code format of the one or more scrambling code categories associated with the bit or the bit combination,

wherein an association relationship between each bit or the bit combination in the scrambling code indication information and the one or more scrambling code categories is a first association relationship;

the first association relationship is predefined; or,

the first association relationship is configured by the network device by means of access stratum (AS) signaling.

3 . The method of claim 1 , wherein the scrambling code indication information comprises first configuration information for indicating the scrambling code format of the at least one scrambling code category,

wherein the first configuration information comprises at least one configuration entry, each of the at least one configuration entry comprises indication information of one or more scrambling code categories and scrambling code format configuration information, and the scrambling code format configuration information is used to determine a scrambling code format of the one or more scrambling code categories,

wherein the indication information of the scrambling code category is a number of the scrambling code category; or the indication information of the scrambling code category is identifier information of the scrambling code category,

wherein the first configuration information comprises at least one configuration entry, each of the at least one configuration entry is associated with one or more scrambling code categories, each of the at least one configuration entry comprises scrambling code format configuration information, and the scrambling code format configuration information is used for determining the scrambling code format of the one or more scrambling code categories associated,

wherein an association relationship between the scrambling code format configuration information and the one or more scrambling code categories is determined on the basis of predefined information.

4 . The method according to claim 3 , wherein the at least one configuration entry in the first configuration information and terminal types have a third association relationship, and the third association relationship comprises that:

all configuration entries in the first configuration information are associated with a group of terminal types; or,

each configuration entry in the first configuration information is associated with a group of terminal types; or,

multiple configuration entries in the first configuration information are associated with a group of terminal types,

wherein the third association relationship is predefined; or the third association relationship is configured by the network device by means of AS signaling.

5 . The method according to claim 4 , wherein acquiring, by the terminal device, the at least one scrambling code sequence on the basis of the scrambling code format of the at least one scrambling code category determined by the scrambling code indication information, comprises:

determining, by the terminal device, that its own terminal type is a first terminal type;

in response to determining, on the basis of the third association relationship, that the first terminal type belongs to the group of terminal types, determining, by the terminal device, the scrambling code format of the at least one scrambling code category on the basis of a configuration entry in the first configuration information having an association relationship with the group of terminal types; and

acquiring, by the terminal device, the at least one scrambling code sequence on the basis of the scrambling code format of the at least one scrambling code category,

in response to determining, on the basis of the third association relationship, that the first terminal type does not belong to the group of terminal types, determining, by the terminal device, the scrambling code format of the at least one scrambling code category on the basis of a default or protocol predefined manner; and

acquiring, by the terminal device, the at least one scrambling code sequence on the basis of the scrambling code format of the at least one scrambling code category.

6 . The method according to claim 1 , wherein acquiring, by the terminal device, the at least one scrambling code sequence on the basis of the scrambling code format of the at least one scrambling code category determined by the scrambling code indication information, comprises:

in a case where the scrambling code indication information is activated, acquiring, by the terminal device, the at least one scrambling code sequence on the basis of the scrambling code format of the at least one scrambling code category determined by the scrambling code indication information,

in a case where the scrambling code indication information is deactivated, acquiring, by the terminal device, the at least one scrambling code sequence on the basis of the scrambling code format of the at least one scrambling code category determined in a default or protocol predefined manner.

7 . A terminal device, comprising: a processor and a memory for storing a computer program, wherein the processor is configured to invoke and execute the computer program from the memory to cause the terminal device to:

receive scrambling code indication information sent by a network device, the scrambling code indication information being used to determine a scrambling code format of at least one scrambling code category; and

acquire at least one scrambling code sequence on the basis of a scrambling code format of at least one scrambling code category determined by the scrambling code indication information, wherein each of the at least one scrambling code sequence is used to demodulate or scramble a physical resource corresponding to the scrambling code sequence,

wherein the processor is further configured to invoke and execute the computer program from the memory to cause the terminal device to receive an activation instruction or a deactivation instruction sent by the network device, the activation instruction being used to activate the scrambling code indication information, and the deactivation instruction being used to deactivate the scrambling code indication information,

wherein the activation instruction or the deactivation instruction comprises at least one of: dedicated signaling, a media access control (MAC) control element (CE), downlink control information (DCI), a paging short message, and a paging message.

8 . The terminal device of claim 7 , wherein the scrambling code indication information comprises bit mapping information for indicating the scrambling code format of the at least one scrambling code category,

wherein an association relationship between each bit or the bit combination in the scrambling code indication information and the one or more scrambling code categories comprises a first association relationship;

the first association relationship is predefined; or,

the first association relationship is configured by the network device by means of access stratum (AS) signaling.

9 . The terminal device of claim 8 , wherein all bits in the bit mapping information are associated with at least one scrambling code category, the at least one scrambling code category and terminal types have a second association relationship, and the second association relationship comprises that:

all scrambling code categories of the at least one scrambling code category are associated with a group of terminal types; or,

each scrambling code category of the at least one scrambling code category is associated with a group of terminal types; or,

multiple scrambling code categories of the at least one scrambling code category are associated with a group of terminal types,

wherein the second association relationship is predefined; or the second association relationship is configured by the network device by means of AS signaling.

10 . The terminal device of claim 8 , wherein the processor is configured to invoke and execute the computer program from the memory to cause the terminal device to:

determine the scrambling code format of the at least one scrambling code category on the basis of the first association relationship and the bit mapping information; and

acquire the at least one scrambling code sequence on the basis of the scrambling code format of the at least one scrambling code category.

11 . The terminal device of claim 9 , wherein the processor is configured to invoke and execute the computer program from the memory to cause the terminal device to:

determine that its own terminal type of the terminal device is a first terminal type;

in response to determining, on the basis of the second association relationship, that the first terminal type belongs to the group of terminal types, determine, on the basis of the first association relationship and the bit mapping information, a scrambling code format of the at least one scrambling code category associated with the group of terminal types; and

acquire the at least one scrambling code sequence on the basis of the scrambling code format of the at least one scrambling code category,

wherein the processor is configured to invoke and execute the computer program from the memory to cause the terminal device to:

determine that its own terminal type of the terminal device is a first terminal type;

in response to determining, on the basis of the second association relationship, that the first terminal type does not belong to the group of terminal types, determine a scrambling code format of the at least one scrambling code category on the basis of a default or protocol predefined manner; and

acquire the at least one scrambling code sequence on the basis of the scrambling code format of the at least one scrambling code category.

12 . The terminal device of claim 7 , wherein the scrambling code indication information comprises first configuration information for indicating the scrambling code format of the at least one scrambling code category,

wherein the first configuration information comprises at least one configuration entry, each of the at least one configuration entry comprises scrambling code format configuration information associated with one or more scrambling code categories, and the scrambling code format configuration information is used to determine the scrambling code format of the one or more scrambling code categories associated,

wherein an association relationship between the scrambling code format configuration information and the one or more scrambling code categories is determined on the basis of predefined information.

13 . The terminal device of claim 12 , wherein the at least one configuration entry in the first configuration information and terminal types have a third association relationship, and the third association relationship comprises that:

all configuration entries in the first configuration information are associated with a group of terminal types; or,

each configuration entry in the first configuration information is associated with a group of terminal types; or,

multiple configuration entries in the first configuration information are associated with a group of terminal types,

wherein the third association relationship is predefined; or the third association relationship is configured by the network device by means of AS signaling.

14 . The terminal device of claim 13 , wherein the processor is configured to invoke and execute the computer program from the memory to cause the terminal device to:

determine that its own terminal type of the terminal device is a first terminal type;

in response to determining, on the basis of the third association relationship, that the first terminal type belongs to the group of terminal types, determine the scrambling code format of the at least one scrambling code category on the basis of a configuration entry in the first configuration information having an association relationship with the group of terminal types; and

acquire the at least one scrambling code sequence on the basis of the scrambling code format of the at least one scrambling code category,

wherein the processor is configured to invoke and execute the computer program from the memory to cause the terminal device to:

determine that its own terminal type of the terminal device is a first terminal type;

in response to determining, on the basis of the third association relationship, that the first terminal type does not belong to the group of terminal types, determine the scrambling code format of the at least one scrambling code category on the basis of a default or protocol predefined manner; and

acquire the at least one scrambling code sequence on the basis of the scrambling code format of the at least one scrambling code category.

15 . A network device, comprising: a processor and a memory for storing a computer program, wherein the processor is configured to invoke and execute the computer program from the memory to cause the network device to:

send scrambling code indication information to a terminal device, the scrambling code indication information being used to determine a scrambling code format of at least one scrambling code category;

wherein the scrambling code format of the at least one scrambling code category is used to acquire at least one scrambling code sequence, and each of the at least one scrambling code sequence is used to demodulate or scramble a physical resource corresponding to the scrambling code sequence,

wherein the processor is further configured to invoke and execute the computer program from the memory to cause the network device to send an activation instruction or a deactivation instruction to the terminal device, the activation instruction being used to activate the scrambling code indication information, and the deactivation instruction being used to deactivate the scrambling code indication information,

16 . The network device of claim 15 , wherein the scrambling code indication information comprises bit mapping information for indicating the scrambling code format of the at least one scrambling code category,

17 . The network device of claim 15 , wherein the scrambling code indication information comprises first configuration information for indicating the scrambling code format of the at least one scrambling code category,

wherein the indication information of the scrambling code category is a number of the scrambling code category; or, the indication information of the scrambling code category is identifier information of the scrambling code category,

wherein the first configuration information comprises at least one configuration entry, each of the at least one configuration entry comprises scrambling code format configuration information associated with one or more scrambling code categories, and the scrambling code format configuration information is used to determine a scrambling code format of the one or more scrambling code categories associated,

wherein an association relationship between the scrambling code format configuration information and the one or more scrambling code categories is determined on the basis of predefined information.

18 . The network device of claim 16 , wherein all bits in the bit mapping information are associated with at least one scrambling code category, the at least one scrambling code category and terminal types have a second association relationship, and the second association relationship comprises that:

all scrambling code categories of the at least one scrambling code category are associated with a group of terminal types; or,

each scrambling code category of the at least one scrambling code category is associated with a group of terminal types; or,

multiple scrambling code categories of the at least one scrambling code category are associated with a group of terminal types,

wherein the second association relationship is predefined; or the second association relationship is configured by the network device by means of AS signaling.

19 . The network device of claim 17 , wherein the at least one configuration entry in the first configuration information and terminal types have a third association relationship, and the third association relationship comprises that:

all configuration entries in the first configuration information are associated with a group of terminal types; or,

each configuration entry in the first configuration information is associated with a group of terminal types; or,

multiple configuration entries in the first configuration information are associated with a group of terminal types,

wherein the third association relationship is predefined; or the third association relationship is configured by the network device by means of AS signaling.