Electronic device and method for wireless communications

Patent metadata

Field	Value
Publication number	US-12096265-B2
Application number	US-202217895070-A
Country	US
Kind code	B2
Filing date	Aug 25, 2022
Priority date	Aug 31, 2017
Publication date	Sep 17, 2024
Grant date	Sep 17, 2024

Abstract

Provided are an electronic device and a method for wireless communications, comprising a processing circuit configured to perform the following steps: according to an acquired measurement configuration, measuring a new radio synchronized signal (NR-SS) from a serving cell and one or more target cells to obtain a first measurement result; according to the measurement configuration, measuring a channel state information reference signal (CSI-RS) from the serving cell and the one or more target cells to obtain a second measurement result; and generating a measurement report comprising the first measurement result and the second measurement result.

First claim

The invention claimed is:

1. An electronic apparatus located at a user equipment for wireless communications, comprising:
processing circuitry, configured to:
acquire a single measurement configuration message including a single measurement configuration from a base station of a serving cell of the user equipment,
wherein the single measurement configuration includes a single measurement reporting format, a measurement period and an indication whether the user equipment should report periodically or should report based on an occurrence of various trigger events;
wherein the single measurement configuration further comprises each of:
a first measurement configuration to enable the user equipment to measure a signal strength of new radio synchronization signals (NR-SSs) from each of a serving cell of the base station and a second cell, and
a second measurement configuration to enable the user equipment to measure a signal strength of channel state information reference signals (CSI-RSs) from each of the serving cell of the base station and the second cell; and

based on the acquired single measurement configuration;
measure a signal strength of the NR-SSs from each of the serving cell and the second cell, and generate a first measurement result, and
measure a signal strength of the CSI-RSs from each of the serving cell and the second cell, and generate a second measurement result; and

in accordance with the single measurement configuration, in response to determining that a triggering condition of a triggering event being satisfied, generate and transmit a single measurement report message including a single measurement report comprising each of the first measurement result and the second measurement result, the single measurement report including an identifier of the triggering event;
wherein the processing circuitry is further configured to determine the triggering event as being satisfied by evaluating whether any of the various triggering events has occurred based on each of the first measurement result and the second measurement result,
wherein one of the various triggering events is a trigger event for triggering a handover of the user equipment from the serving cell to the second cell;
wherein, in a case that the triggering event whose triggering condition is satisfied is the trigger event for triggering the handover of the user equipment from the serving cell to the second cell, the single measurement report further comprises an identifier that identifies the second cell as a handover target cell of the user equipment; and
wherein the processing circuitry is further configured to, when measuring the signal strengths of the NR-SS and the CSI-RS of the second cell;
perform a signal strength measurement with respect to each beam of a plurality of beams of the second cell and
select a beam from the plurality of beams of the second cell that has a highest measured signal strength as a target beam for the handover,
wherein the single measurement report further comprises information about the selected target beam.

2. The electronic apparatus according to claim 1 , wherein, the processing circuitry is further configured to acquire, from the base station of the serving cell, information of the handover target cell and information about which of the plurality of beams of the second cell that the user equipment can access for the handover.

3. The electronic apparatus according to claim 1 ,
wherein the various triggering events comprise a set of triggering events the set including each of the following:
a cell-specific communication quality of the serving cell being higher than a predetermined degree;
a cell-specific communication quality of the serving cell being lower than a predetermined degree;
a cell-specific communication quality of a cell other than the serving cell being better than a cell-specific communication quality of the serving cell by a predetermined degree; and
a cell-specific communication quality of a particular target cell being higher than a predetermined degree.

4. The electronic apparatus according to claim 1 , wherein the single measurement configuration further comprises an indicator indicating whether the user equipment is to include mobility information of the user equipment in the single measurement report.

5. The electronic apparatus according to claim 4 , wherein, in a case that the single measurement configuration comprises the indicator, the single measurement report further comprises the mobility information of the user equipment,
wherein the mobility information of the user equipment comprises each of the following:
a moving speed of the user equipment,
a location of the user equipment, and
a moving direction of the user equipment.

6. The electronic apparatus according to claim 1 , wherein the target beam has a beam specific dedicated Contention-Free based Random Access channel resource configuration.

7. The electronic apparatus according to claim 6 , wherein, the processing circuitry is further configured to transmit an access request on a first random access channel resource corresponding to the selected target beam and on a second random access channel resource corresponding to another beam of the plurality of beams of the second cell also having the dedicated Contention-Free based Random Access channel resource configuration.

8. The electronic apparatus according to claim 7 , wherein the selected target beam and the another beam have beam indexes with a predetermined relationship, such that a base station of the handover target cell identifies the target beam selected by the user equipment based on the access request received on the first and second random access channel resources.

9. An electronic apparatus located at a base station for wireless communications, comprising:
processing circuitry, configured to:
generate information of a single measurement configuration message including a single measurement configuration for a user equipment served by a serving cell of the base station,
wherein the single measurement configuration includes a measurement reporting format, a measurement period and an indication whether the user equipment should report periodically or should report based on an occurrence of various trigger events;
wherein the single measurement configuration further comprises each of:
a first measurement configuration to enable the user equipment to measure a signal strength of new radio synchronization signals (NR-SSs) from each of a serving cell of the base station and a second cell so as to generate a first measurement result, and
a second measurement configuration to enable the user equipment to measure a signal strength of channel state information reference signals (CSI-RSs) from each of the serving cell and the second cell so as to generate a second measurement result; and

acquire, from the user equipment, single measurement report message including a single measurement report that includes each of the first measurement result and the second measurement result with respect to each beam of a plurality of beams of the second cell, the single measurement report including an identifier of a triggering event of the various triggering events, the triggering event having a triggering condition that was satisfied to trigger the user equipment to generate the measurement report;
wherein, in a case that the triggering event whose triggering condition is satisfied is an event for triggering a handover from the serving cell to the second cell, the single measurement report further comprises an identifier that identifies the second cell as a handover target cell of the user equipment;
wherein the single measurement report further comprises information about a

Assignees

• Sony Group Corp

Inventors

• Cui Tao
• Ren Wei

Classifications

• H04B17/309

  Measuring or estimating channel quality parameters · CPC title

• H04W36/32

  by location or mobility data, e.g. speed data · CPC title

• H04W36/30

  by measured or perceived connection quality data · CPC title

• H04W36/00835

  Determination of neighbour cell lists · CPC title

• H04W24/08

  Testing, {supervising or monitoring} using real traffic · CPC title