IP Library › Granted Patent US 12665717

Granted Patent B2

US 12665717 · App. 18/207,188 · Granted Jun 23, 2026

System and method for reference signaling design and configuration

Inventors: Shujuan Zhang (Shenzhen, CN); Bo Gao (Shenzhen, CN); Ke Yao (Shenzhen, CN); Shijia Shao (Shenzhen, CN); Zhaohua Lu (Shenzhen, CN)

Assignee: ZTE Corporation

H04L5/0051 H04B17/328 H04W24/08 H04W72/23

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Quick Facts

Patent No.: US 12665717
App. No.: 18/207,188
Granted: Jun 23, 2026
Kind: B2

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Abstract

Example implementations include a wireless communication method of selecting, by a wireless communication device, N resources, where N is equal to or larger than 1; and sending, by the wireless communication device to a wireless communication node, a message including a Channel State Information (CSI) report, where the CSI report includes an index of each of the N resources, and quality information of each of the N resources, where each of the N resources includes a reference signal resource, and where each of the N resources corresponds to one of M elements, M being smaller than or equal to N.

Claims (78)

1 . A wireless communication method, comprising:

receiving, by a wireless communication device from a wireless communication node, a first signaling that activates or deactivates a synchronization signal block (SSB) resource set,

wherein the signaling includes a Medium Access Control-Control Element (MAC-CE);

wherein the MAC-CE selects L trigger states from F trigger states configured by radio resource control (RRC) signaling, wherein L is smaller than or equal to F, wherein at least one of the L trigger states is associated with the SSB resource set; and

wherein the MAC-CE selects the L trigger states from the F trigger states when a second condition is satisfied, wherein the second condition includes at least one of:

at least one of the F trigger states is associated with a SSB set of a type;

a second mode is enabled;

a serving cell is configured with more than one piece of SSB information, wherein each of the more than one piece of SSB information includes at least one of SSB block selection in one SSB burst, time domain pattern case information of an SSB and a periodicity parameter of the SSB; or

at least one dedicated piece of SSB information is configured for a serving cell, wherein each of the at least one dedicated piece of SSB information includes: SSB block selection in one SSB burst and a periodicity.

2 . The method of claim 1 , further comprising at least one of:

measuring, by the wireless communication device, SSB resources in the SSB resource set if the SSB resource set is activated;

calculating, by the wireless communication device, a number of SSB resources to measure a reference signal received power (RSRP) or signal to interference and noise ratio (SINR) according to the SSB resource set if the SSB resource set is activated;

not measuring, by the wireless communication device, SSB resources in the SSB resource set in case that the SSB resource set is not activated and it is configured by the RRC signaling; or not measuring, by the wireless communication device, SSB resources in the SSB resource set that is deactivated.

3 . The method of claim 1 , further comprising at least one of:

measuring, by the wireless communication device, an SSB resource in the SSB resource set during a predefined number of transmission occasions of the SSB resource after the SSB resource set is activated; or

measuring, by the wireless communication device, an SSB resource in the SSB resource set during a predefined number of transmission occasions of the SSB resource after a downlink control information (DCI) which includes a codepoint mapped to a trigger state associated with the SSB resource set.

4 . The method of claim 1 , wherein a subheader of the MAC-CE is the same as a subheader of a MAC-CE that activates or deactivates a Channel State Information-Reference Signal (CSI-RS) resource set.

5 . The method of claim 1 , wherein the MAC-CE includes information for indicating a type of set that the MAC-CE activates or deactivates, wherein the type of set includes a Channel State Information-Reference Signal (CSI-RS) resource set and the SSB resource set.

6 . The method of claim 5 , wherein the MAC-CE includes a transmission configuration indication (TCI) state for each CSI-RS resource in the CSI-RS resource set, when the MAC-CE activates the CSI-RS resource set.

7 . The method of claim 1 , wherein if the signaling activates the SSB resource set, the MAC-CE includes one piece of SSB information for each SSB resource in the SSB resource set, or the MAC-CE includes one piece of SSB information for the SSB resource set,

wherein the one piece of SSB information includes at least one of: a physical cell identifier (PCI), frequency information of the SSB, a SSB block selection in one SSB burst, a transmitting power, a half frame index of the SSB, or a periodicity.

8 . The method of claim 1 , wherein the signaling selects the L trigger states from the F trigger states when the F is larger than 2 N TS −1 and a first condition is satisfied, wherein N TS is a number of bits in an CSI request field in a downlink control information (DCI), wherein the first condition includes at least one of:

none of the F trigger states is associated with an SSB set of a type;

a first mode is enabled;

a serving cell is configured with only one piece of SSB information;

none of neighboring cells is configured;

no dedicated piece of SSB information is configured;

no dedicated piece of SSB information is configured for a serving cell;

only a cell specific piece of SSB information is configured; or

only the cell specific piece of SSB information is configured for a serving cell.

9 . The method of claim 1 ,

wherein each of the at least one dedicated piece of SSB information further includes at least one of frequency information of the SSB, a transmitting power, or a half frame index of the SSB.

10 . The method of claim 1 , wherein the signaling selects the L trigger states from the F trigger states regardless of a relationship between the F and 2 N TS −1 wherein N TS is a number of bits in an CSI request field in a downlink control information (DCI).

11 . The method of claim 1 , further comprising at least one of:

receiving a RRC signaling which includes a resource type of an SSB resource, wherein the resource type is one of aperiodic, semi-persistent, or periodic;

receiving a RRC signaling which indicates whether an SSB resource set can be activated or deactivated by the signaling;

receiving a RRC signaling which indicates whether each SSB resource of an SSB resource set can be associated with one piece of SSB information in a trigger state or in the signaling;

receiving a RRC signaling which indicates whether an SSB resource set can be associated with one piece of SSB information in a trigger state or in the signaling;

receiving a RRC signaling which indicates whether each SSB resource of an SSB resource set can be associated with one dedicated piece of SSB information in a trigger state or in the signaling, wherein the one dedicated piece of SSB information includes at least one of: a physical cell identifier (PCI), frequency information of the SSB, a SSB block selection in one SSB burst, a transmitting power, a half frame index of the SSB, or a periodicity; or

receiving a RRC signaling which indicates whether an SSB resource set can be associated with one dedicated piece of SSB information in a trigger state or in the signaling.

12 . The method of claim 1 , wherein the L selected trigger states are mapped in order to L codepoints of CSI request field of a downlink control information (DCI) starting from codepoint 1, and wherein the F trigger states are associated with one serving cell or one bandwidth part (BWP).

13 . The method of claim 1 , wherein an SSB resource in the SSB resource set is associated with one of a physical cell identifier (PCI) of a neighboring cell, or one dedicated piece of SSB information, wherein the one dedicated piece of SSB information includes at least one of: a physical cell identifier (PCI), frequency information of the SSB, a SSB block selection in one SSB burst, a transmitting power, a half frame index of the SSB, or a periodicity.

14 . The method of claim 1 , further comprising at least one of:

configuring an SSB resource of a serving cell only to be periodic;

configuring an SSB resource of a neighboring cell as being one of: aperiodic, semi-persistent, or periodic;

configuring an SSB resource associated with a cell specific piece of SSB information only to be periodic; or

configuring an SSB resource associated with a dedicated piece of SSB as being one of: aperiodic, semi-persistent, or periodic.

15 . The method of claim 1 , wherein the SSB resource set is associated with a periodicity and without periodic offset.

16 . A wireless communication method, comprising:

sending, by a wireless communication node to a wireless communication device, a signaling that activates or deactivates a synchronization signal block (SSB) resource set,

wherein the signaling includes a Medium Access Control-Control Element (MAC-CE);

wherein the MAC-CE selects the L trigger states from the F trigger states when a second condition is satisfied, wherein the second condition includes at least one of:

at least one of the F trigger states is associated with a SSB set of a type;

a second mode is enabled;

17 . A wireless communication device, comprising:

at least one processor configured to:

receive, via a receiver from a wireless communication node, a signaling that activates or deactivates a synchronization signal block (SSB) resource set,

wherein the signaling includes a Medium Access Control-Control Element (MAC-CE);

wherein the MAC-CE selects the L trigger states from the F trigger states when a second condition is satisfied, wherein the second condition includes at least one of:

at least one of the F trigger states is associated with a SSB set of a type;

a second mode is enabled;

18 . A wireless communication node, comprising:

at least one processor configured to:

send, via a transmitter to a wireless communication device, a signaling that activates or deactivates a synchronization signal block (SSB) resource set,

wherein the signaling includes a Medium Access Control-Control Element (MAC-CE);

wherein the MAC-CE selects the L trigger states from the F trigger states when a second condition is satisfied, wherein the second condition includes at least one of:

at least one of the F trigger states is associated with a SSB set of a type;

a second mode is enabled;

19 . The wireless communication node of claim 18 , wherein an SSB resource in the SSB resource set is associated with one of a physical cell identifier (PCI) of a neighboring cell, or one dedicated piece of SSB information, wherein the one dedicated piece of SSB information includes at least one of: a physical cell identifier (PCI), frequency information of the SSB, a SSB block selection in one SSB burst, a transmitting power, a half frame index of the SSB, or a periodicity.