# US 12,004,098 B2 · Candidate synchronization signal block transmission resources

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- Number: US 12,004,098 B2
- Document ID: US12004098B2
- Status: Granted
- Kind: B2
- Application number: 17/275,689
- Filed: 2018-09-29
- Published: 2022-03-31
- Granted: 2024-06-04
- Earliest claimed: 2018-09-29
- Assignees: Lenovo (Beijing) Limited
- Applicants: Lenovo (Beijing) Limited
- Inventors: Hongmei Liu; Lianhai Wu; Haipeng Lei; Zhi Yan; Zhennian Sun
- Web page: https://patentgrep.com/patent/US12004098B2

## CPC

- H04L 5/0046: {Determination of the number of bits transmitted on different sub-channels}
- H04W 56/001: {Synchronization between nodes}
- H04L 5/0048: {Allocation of pilot signals, i.e. of signals known to the receiver (allocation of control signalling H04L5/0053; use of control signalling H04L5/0091)}
- H04L 5/0094: {Indication of how sub-channels of the path are allocated}
- H04W 72/0446: Resources in time domain, e.g. slots or frames
- H04W 72/1273: of downlink data flows
- H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)

## Abstract

Apparatuses, methods, and systems are disclosed for determining candidate synchronization signal block transmission resources. One method (800) includes receiving (802) first information indicating at least one candidate synchronization signal block transmission resource. The at least one candidate synchronization signal block transmission resource is useable for transmitting a synchronization signal block for inter-node discovery, measurement, or a combination thereof. The method (800) includes receiving (804) second information and downlink data corresponding to the second information. The method (800) includes decoding (806) the downlink data. Decoding the downlink data includes rate-matching around the at least one candidate synchronization signal block transmission resource.

## Claims

### Claim 1

A method performed by a user equipment (UE), the method comprising:
receiving first information via radio resource control (RRC) signaling indicating resource locations of a plurality of candidate synchronization signal block (SSB) transmission resources, wherein the plurality of candidate SSB transmission resources is useable for transmitting an SSB for inter-node discovery, measurement, or a combination thereof;
receiving second information and downlink data corresponding to the second information; and
decoding the downlink data, wherein decoding the downlink data comprises rate-matching around the plurality of candidate SSB transmission resources.

### Claim 2 (depends on 1)

The method of claim 1, wherein the second information comprises scheduling information for scheduling the downlink data.

### Claim 3 (depends on 1)

The method of claim 1, further comprising receiving at least one SSB corresponding to each candidate SSB transmission resource of the plurality of candidate SSB transmission resources.

### Claim 4 (depends on 1)

The method of claim 1, wherein an offset corresponding to the plurality of candidate SSB transmission resources is configured to change at different time instances with respect to a starting position.

### Claim 5 (depends on 4)

The method of claim 4, wherein the time instances occur periodically, and a time difference between two adjacent time instances is configured by RRC signaling.

### Claim 6 (depends on 4)

The method of claim 4, wherein the starting position is determined by setting the offset equal to zero with respect to a time instance.

### Claim 7 (depends on 4)

The method of claim 4, wherein a number of candidate SSB transmission resources of the plurality of candidate SSB transmission resources is configured by RRC signaling.

### Claim 8 (depends on 4)

The method of claim 4, wherein an index of a node is configured by RRC signaling.

### Claim 9 (depends on 1)

The method of claim 1, wherein rate-matching around the plurality of candidate SSB transmission resources comprises decoding the downlink data while precluding resource elements used for the plurality of candidate SSB transmission resources.

### Claim 10 (depends on 1)

The method of claim 1, wherein the first information that indicates the plurality of candidate SSB transmission resources comprises a set index that indicates the plurality of candidate SSB transmission resources.

### Claim 11 (depends on 10)

The method of claim 10, wherein the plurality of candidate SSB transmission resources is transmitted periodically based on a periodicity, and the periodicity is configured by RRC signaling.

### Claim 12 (depends on 10)

The method of claim 10, wherein the set index is indicated by RRC signaling.

### Claim 13 (depends on 10)

The method of claim 10, wherein a relationship between the set index and the plurality of candidate SSB transmission resources is configured by RRC signaling.

### Claim 14 (depends on 10)

The method of claim 10, wherein a maximum number of sets is configured by RRC signaling.

### Claim 15 (depends on 10)

The method of claim 10, wherein the set index is updatable at each time instance, wherein time instances occur periodically, and a time difference between two adjacent time instances is configurable by RRC signaling.

### Claim 16 (depends on 1)

The method of claim 1, wherein some SSBs corresponding to the plurality of candidate SSB transmission resources are not transmitted.

### Claim 17 (depends on 16)

The method of claim 16, wherein rate-matching around the plurality of candidate SSB transmission resources comprises decoding the downlink data while precluding resource elements used for actual SSB transmission corresponding to the plurality of candidate SSB transmission resources.

### Claim 18 (depends on 16)

The method of claim 16, wherein the plurality of candidate SSB transmission resources is configured by RRC signaling.

### Claim 19 (depends on 16)

The method of claim 16, wherein actual SSB transmissions corresponding to the plurality of candidate SSB transmission resources are indicated by downlink control information signaling.

### Claim 20 (depends on 19)

The method of claim 19, wherein downlink control information is used to indicate the actual SSB transmissions that occur in the same time domain resource of a scheduled physical downlink shared channel.

### Claim 21 (depends on 16)

The method of claim 16, wherein multiple actually transmitted SSB sets are configured by RRC signaling.

### Claim 22

A user equipment (UE), comprising:
at least one memory; and
at least one processor coupled with the at least one memory and configured to cause the UE to:
receive first information via radio resource control (RRC) signaling indicating resource locations of a plurality of candidate synchronization signal block (SSB) transmission resources, wherein the plurality of candidate SSB transmission resources is useable for transmitting an SSB for inter-node discovery, measurement, or a combination thereof;
receive second information and downlink data corresponding to the second information; and
decode the downlink data, wherein decoding the downlink data comprises rate-matching around the plurality of candidate SSB transmission resources.

### Claim 23

A processor for wireless communication, comprising:
at least one controller coupled with at least one memory and configured to cause the processor to:
receive first information via radio resource control (RRC) signaling indicating resource locations of a plurality of candidate synchronization signal block (SSB) transmission resources, wherein the plurality of candidate SSB transmission resources is useable for transmitting an SSB for inter-node discovery, measurement, or a combination thereof;
receive second information and downlink data corresponding to the second information; and
decode the downlink data, wherein decoding the downlink data comprises rate-matching around the plurality of candidate SSB transmission resources.
