CN110012498B - Method, device, base station and user equipment for configuring BWP (broadband wireless peer-to-peer) related measurement gap - Google Patents

Method, device, base station and user equipment for configuring BWP (broadband wireless peer-to-peer) related measurement gap Download PDF

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Publication number
CN110012498B
CN110012498B CN201810011688.1A CN201810011688A CN110012498B CN 110012498 B CN110012498 B CN 110012498B CN 201810011688 A CN201810011688 A CN 201810011688A CN 110012498 B CN110012498 B CN 110012498B
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measurement gap
bwp
measurement
gap
base station
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CN110012498A (en
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韩传华
顾祥新
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Spreadtrum Communications Shanghai Co Ltd
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Spreadtrum Communications Shanghai Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/0085—Hand-off measurements
    • H04W36/0088—Scheduling hand-off measurements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/0085—Hand-off measurements
    • H04W36/0094—Definition of hand-off measurement parameters

Abstract

The invention provides a method, a device, a base station and user equipment for configuring a BWP (BWP) related measurement gap. On the base station side, the method comprises: for each BWP configured by the UE in a connection state, judging whether the measurement of the UE needs a measurement gap when the BWP is activated according to the BWP and a neighboring cell to be measured by the UE; when the UE is judged to need to measure the gap when the BWP is activated, acquiring corresponding measurement gap parameters; whether each BWP has a corresponding measurement gap and corresponding measurement gap parameters are sent to the UE. On the user equipment side, the method comprises the following steps: receiving whether each BWP configured by a base station has a corresponding measurement gap and corresponding measurement gap parameters or not; depending on the currently active BWP, it is selected whether to use the measurement gap for measurement. The invention can flexibly configure the BWP related measurement gap and ensure the performance of the UE.

Description

Method, device, base station and user equipment for configuring BWP (broadband wireless peer-to-peer) related measurement gap
Technical Field
The present invention relates to the field of wireless communication technologies, and in particular, to a method, an apparatus, a base station, and a user equipment for configuring a BWP related measurement gap.
Background
With the development of wireless communication technology, NR (New Radio) technology is introduced by 3 GPP. In 3GPP (3rd Generation Partnership Project) R15 (first Generation 5G standard), the concept of BWP (Bandwidth Part) is introduced in NR because some UEs (User Equipment) may not be able to support the maximum Bandwidth of a carrier and in consideration of UE power consumption. For each serving cell, the base station may configure one or more BWPs for the UE. At most one downlink BWP and one uplink BWP are activated per serving cell for the UE at a given time.
The base station may activate BWP of the UE through dedicated RRC (Radio Resource Control) signaling and DCI (Downlink Control Information). The base station may handover the UE from one BWP to another BWP through DCI (the active BWP changes). The BWP may or may not contain SS blocks, but the whole cell has at least one SS block in the frequency domain, called cell defining SSB.
When the UE activates a BWP to perform RRM (Radio Resource Management) measurement (including serving cell and neighbor cell) based on SS block, a measurement gap (gap) may or may not be needed. Whether the measurement gap is needed depends on a plurality of factors, such as whether the currently activated BWP contains the serving cell SS block, whether the frequency of the SS block of the neighbor cell to be measured is the same as that of the serving cell SS block, and whether the subcarrier spacing is the same. Therefore, when the active BWP of the UE changes, measurement gaps may sometimes be needed and sometimes not.
For the problem of how to configure the measurement gap when the active BWP of the UE changes, the existing solutions are: the base station always configures the UE with a measurement gap if any BWP configured requires a measurement gap. However, this method may affect the performance of the UE, for example, if the UE configures 2 BWPs, one of which requires a measurement gap, the base station always configures the UE with the measurement gap, and then the base station may not schedule the UE during the measurement gap even if the currently activated BWP of the UE does not require the measurement gap. In addition, even if there are multiple BWPs all requiring measurement gaps, when the UE activates different BWPs, the subcarrier spacing and the slot length may be different, the service characteristics of the UE may be different, and the same measurement gap may only be configured according to the above method, which lacks flexibility.
Disclosure of Invention
The method, the device, the base station and the user equipment for configuring the BWP related measurement gap can flexibly configure the BWP related measurement gap and ensure the performance of UE.
In a first aspect, the present invention provides a method for configuring a BWP-related measurement gap, the method being applied to a base station, the method comprising:
for each BWP configured by the UE in a connection state, judging whether the measurement of the UE needs a measurement gap when the BWP is activated according to the BWP and a neighboring cell to be measured by the UE;
when the UE is judged to need to measure the gap when the BWP is activated, acquiring corresponding measurement gap parameters;
whether each BWP has a corresponding measurement gap and corresponding measurement gap parameters are sent to the UE.
Optionally, the method further comprises:
and judging whether the UE uses the measurement gap to measure and acquiring the corresponding measurement gap parameter according to the BWP currently activated by the UE.
Optionally, the method further comprises:
when the UE uses the measurement gap for measurement, the UE is not scheduled during the corresponding measurement gap;
when the UE does not use the measurement gap for measurement, the UE is scheduled all the time.
Optionally, the measurement gap parameters include a repetition period, a length, and an offset.
In a second aspect, the present invention provides another method for configuring a BWP-related measurement gap, the method being applied to a user equipment, the method comprising:
receiving whether each BWP configured by a base station has a corresponding measurement gap and corresponding measurement gap parameters or not;
depending on the currently active BWP, it is selected whether to use the measurement gap for measurement.
Optionally, the selecting whether to use the measurement gap for measurement according to the currently activated BWP includes:
when the currently activated BWP has a corresponding measurement gap, measuring using the measurement gap according to the corresponding measurement gap parameter;
when the currently active BWP does not have a corresponding measurement gap, no measurement gap is used for measurement.
Optionally, the measurement gap parameters include a repetition period, a length, and an offset.
In a third aspect, the present invention provides an apparatus for configuring a BWP-related measurement gap, the apparatus being located at a base station, the apparatus comprising:
a first determining unit, configured to determine, for each BWP configured by a connected UE, whether measurement gap is required for the UE when the BWP is activated according to the BWP and a neighboring cell to be measured by the UE;
an obtaining unit, configured to obtain a corresponding measurement gap parameter when it is determined that measurement of the UE requires a measurement gap when the BWP is activated;
a sending unit, configured to send whether each BWP has a corresponding measurement gap and corresponding measurement gap parameters to the UE.
Optionally, the apparatus further comprises:
and the second judging unit is used for judging whether the UE uses the measurement gap for measurement and acquiring the corresponding measurement gap parameter according to the BWP currently activated by the UE.
Optionally, the apparatus further comprises:
a first scheduling unit, configured to not schedule the UE during a corresponding measurement gap when the UE uses the measurement gap for measurement;
and a second scheduling unit for scheduling the UE at all times when the UE does not use the measurement gap for measurement.
Optionally, the measurement gap parameters include a repetition period, a length, and an offset.
In a fourth aspect, the present invention provides an apparatus for configuring a BWP-related measurement gap, the apparatus being located at a user equipment, the apparatus comprising:
a receiving unit, configured to receive whether each BWP configured by the base station has a corresponding measurement gap and a corresponding measurement gap parameter;
and the measurement unit is used for selecting whether to use the measurement gap for measurement according to the currently activated BWP.
Optionally, the measurement unit comprises:
a first measurement module for measuring using a measurement gap according to a corresponding measurement gap parameter when the currently activated BWP has a corresponding measurement gap;
a second measurement module for performing measurement without using a measurement gap when the currently activated BWP has no corresponding measurement gap.
Optionally, the measurement gap parameters include a repetition period, a length, and an offset.
In a fifth aspect, the present invention provides a base station comprising the above apparatus for configuring a BWP-related measurement gap at the base station.
In a sixth aspect, the present invention provides a user equipment, where the user equipment includes the apparatus for configuring a BWP-related measurement gap located in the user equipment.
In the method, the apparatus, the base station and the user equipment for configuring BWP-related measurement gaps provided in the embodiments of the present invention, for each BWP configured by a connected UE, the base station determines, according to the BWP and an adjacent cell to be measured by the UE, whether measurement is required by the UE when the BWP is activated, and acquires a corresponding measurement gap parameter when the measurement gap is required, so that different measurement gap parameters can be configured for different BWPs, and flexibility of measurement gap configuration can be improved; after receiving whether each BWP transmitted by the base station has a corresponding measurement gap and corresponding measurement gap parameters, the UE can perform measurement using the corresponding measurement gap or not according to the currently active BWP, thereby ensuring the UE performance.
Drawings
FIG. 1 is a flowchart illustrating a method for configuring a BWP-related measurement gap according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating a method for configuring a BWP-related measurement gap according to another embodiment of the present invention;
FIG. 3 is a schematic diagram of an apparatus for configuring a BWP-related measurement gap according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of an apparatus for configuring a BWP-related measurement gap according to another embodiment of the present invention;
FIG. 5 is a schematic diagram of an apparatus for configuring a BWP-related measurement gap according to yet another embodiment of the present invention;
fig. 6 is a schematic structural diagram of an apparatus for configuring a BWP-related measurement gap according to another embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An embodiment of the present invention provides a method for configuring a BWP-related measurement gap, where the method is applied to a base station, and as shown in fig. 1, the method includes:
s11, for each BWP configured by the connected UE, the base station judges whether the measurement of the UE needs a measurement gap when the BWP is activated according to the BWP and the adjacent cell to be measured by the UE.
Here, it is assumed here that the UE has only one serving cell.
S12, when the UE needs to measure the gap when the BWP is activated, the base station obtains the corresponding measurement gap parameter.
Wherein the measurement gap parameters include, but are not limited to, a repetition period, a length, and an offset.
S13, the base station sends to the UE whether each BWP has a corresponding measurement gap and corresponding measurement gap parameters.
Specifically, the base station may inform the UE through RRC signaling, but is not limited thereto.
In the method for configuring BWP-related measurement gaps provided in the embodiments of the present invention, for each BWP configured by a connected UE, a base station determines, according to the BWP and a neighboring cell to be measured by the UE, whether measurement is required by the UE when the BWP is activated, and obtains a corresponding measurement gap parameter when the measurement gap is required, so that different measurement gap parameters can be configured for different BWPs, and flexibility of measurement gap configuration can be improved; after receiving whether each BWP transmitted by the base station has a corresponding measurement gap and corresponding measurement gap parameters, the UE can perform measurement using the corresponding measurement gap or not according to the currently active BWP, thereby ensuring the UE performance.
Further, the base station may also determine whether the UE uses the measurement gap for measurement and knows the corresponding measurement gap parameter according to the currently activated BWP of the UE.
Optionally, when the UE uses the measurement gap for measurement, the UE is not scheduled during the corresponding measurement gap;
when the UE does not use the measurement gap for measurement, the UE is scheduled all the time.
An embodiment of the present invention provides a method for configuring a BWP-related measurement gap, where the method is applied to a user equipment, and as shown in fig. 2, the method includes:
s21, the UE receives whether each BWP configured by itself sent by the base station has a corresponding measurement gap and corresponding measurement gap parameters.
Wherein the measurement gap parameters include, but are not limited to, a repetition period, a length, and an offset.
S22, the UE selects whether to use the measurement gap for measurement according to the currently activated BWP.
According to the method for configuring the BWP-related measurement gap provided in the embodiments of the present invention, the UE can receive whether each BWP configured by the base station itself has a corresponding measurement gap and a corresponding measurement gap parameter, the information sent by the base station is flexibly configured by the base station, and the UE performs measurement using the corresponding measurement gap or not according to the currently activated BWP, thereby ensuring the UE performance.
Specifically, when the currently activated BWP has a corresponding measurement gap, performing a measurement using the measurement gap according to the corresponding measurement gap parameter;
when the currently active BWP does not have a corresponding measurement gap, no measurement gap is used for measurement.
An embodiment of the present invention further provides an apparatus for configuring a BWP-related measurement gap, where the apparatus is located at a base station, as shown in fig. 3, and the apparatus includes:
a first determining unit 11, configured to determine, for each BWP configured by a connected UE, whether measurement gap is required for the UE when the BWP is activated according to the BWP and a neighboring cell to be measured by the UE;
an obtaining unit 12, configured to obtain a corresponding measurement gap parameter when it is determined that the measurement of the UE needs to be performed when the BWP is activated;
a sending unit 13, configured to send to the UE whether each BWP has a corresponding measurement gap and corresponding measurement gap parameters.
In the apparatus for configuring BWP-related measurement gaps provided in the embodiments of the present invention, for each BWP configured by a connected UE, a base station determines, according to the BWP and a neighboring cell to be measured by the UE, whether measurement is required by the UE when the BWP is activated, and obtains a corresponding measurement gap parameter when the measurement gap is required, so that different measurement gap parameters can be configured for different BWPs, and flexibility of measurement gap configuration can be improved; after receiving whether each BWP transmitted by the base station has a corresponding measurement gap and corresponding measurement gap parameters, the UE can perform measurement using the corresponding measurement gap or not according to the currently active BWP, thereby ensuring the UE performance.
Optionally, as shown in fig. 4, the apparatus further includes:
a second determining unit 14, configured to determine whether the UE uses the measurement gap for measurement and obtains a corresponding measurement gap parameter according to the currently activated BWP of the UE.
Optionally, as shown in fig. 4, the apparatus further includes:
a first scheduling unit 15, configured to not schedule the UE during the corresponding measurement gap when the UE uses the measurement gap for measurement;
a second scheduling unit 16, configured to schedule the UE at all times when the UE does not use the measurement gap for measurement.
Optionally, the measurement gap parameters include a repetition period, a length, and an offset.
The apparatus of this embodiment may be configured to implement the technical solution of the method embodiment applied to the base station, and the implementation principle and the technical effect are similar, which are not described herein again.
An embodiment of the present invention further provides an apparatus for configuring a BWP-related measurement gap, where the apparatus is located in a user equipment, as shown in fig. 5, and the apparatus includes:
a receiving unit 21, configured to receive whether each BWP configured by the base station has a corresponding measurement gap and a corresponding measurement gap parameter;
a measurement unit 22 for selecting whether to use the measurement gap for measurement according to the currently activated BWP.
According to the apparatus for configuring BWP-related measurement gaps provided in the embodiments of the present invention, the UE can receive whether each BWP configured by the base station itself has a corresponding measurement gap and a corresponding measurement gap parameter, the information sent by the base station is flexibly configured by the base station, and the UE performs measurement using the corresponding measurement gap or not according to the currently activated BWP, thereby ensuring the performance of the UE.
Alternatively, as shown in fig. 6, the measurement unit 22 includes:
a first measurement module 221, configured to perform measurement using a measurement gap according to a corresponding measurement gap parameter when the currently activated BWP has a corresponding measurement gap;
a second measurement module 222, configured to measure without using a measurement gap when the currently activated BWP has no corresponding measurement gap.
Optionally, the measurement gap parameters include a repetition period, a length, and an offset.
The apparatus of this embodiment may be configured to execute the technical solution of the method embodiment applied to the ue, and the implementation principle and the technical effect are similar, which are not described herein again.
The embodiment of the invention also provides a base station, which comprises the device for configuring the BWP-related measurement gap located in the base station.
An embodiment of the present invention further provides a user equipment, where the user equipment includes the apparatus for configuring the BWP-related measurement gap located in the user equipment.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (14)

1. A method for configuring BWP related measurement gaps, the method being applied to a base station, the method comprising:
for each BWP configured by the UE in a connection state, judging whether the measurement of the UE needs a measurement gap when the BWP is activated according to the BWP and a neighboring cell to be measured by the UE;
when the UE is judged to need to measure the gap when the BWP is activated, acquiring corresponding measurement gap parameters;
whether each BWP has a corresponding measurement gap and corresponding measurement gap parameters are sent to the UE.
2. The method of claim 1, further comprising:
and judging whether the UE uses the measurement gap to measure and acquiring the corresponding measurement gap parameter according to the BWP currently activated by the UE.
3. The method of claim 2, further comprising:
when the UE uses the measurement gap for measurement, the UE is not scheduled during the corresponding measurement gap;
when the UE does not use the measurement gap for measurement, the UE is scheduled all the time.
4. The method of any of claims 1 to 3, wherein the measurement gap parameters include a repetition period, a length, and an offset.
5. A method for configuring a BWP-related measurement gap, the method being applied to a user equipment, the method comprising:
receiving whether each BWP configured by a base station has a corresponding measurement gap and corresponding measurement gap parameters or not;
selecting whether to use a measurement gap for measurement according to the currently activated BWP;
the selecting whether to use the measurement gap for measurement according to the currently activated BWP comprises: when the currently activated BWP has a corresponding measurement gap, measuring using the measurement gap according to the corresponding measurement gap parameter; when the currently active BWP does not have a corresponding measurement gap, no measurement gap is used for measurement.
6. The method of claim 5, wherein the measurement gap parameters include a repetition period, a length, and an offset.
7. An apparatus for configuring a BWP related measurement gap, the apparatus being located at a base station, the apparatus comprising:
a first determining unit, configured to determine, for each BWP configured by a connected UE, whether measurement gap is required for the UE when the BWP is activated according to the BWP and a neighboring cell to be measured by the UE;
an obtaining unit, configured to obtain a corresponding measurement gap parameter when it is determined that measurement of the UE requires a measurement gap when the BWP is activated;
a sending unit, configured to send whether each BWP has a corresponding measurement gap and corresponding measurement gap parameters to the UE.
8. The apparatus of claim 7, further comprising:
and the second judging unit is used for judging whether the UE uses the measurement gap for measurement and acquiring the corresponding measurement gap parameter according to the BWP currently activated by the UE.
9. The apparatus of claim 8, further comprising:
a first scheduling unit, configured to not schedule the UE during a corresponding measurement gap when the UE uses the measurement gap for measurement;
and a second scheduling unit for scheduling the UE at all times when the UE does not use the measurement gap for measurement.
10. The apparatus of any of claims 7 to 9, wherein the measurement gap parameters comprise a repetition period, a length, and an offset.
11. An apparatus for configuring a BWP related measurement gap, the apparatus being located at a user equipment, the apparatus comprising:
a receiving unit, configured to receive whether each BWP configured by the base station has a corresponding measurement gap and a corresponding measurement gap parameter;
a measurement unit for selecting whether to use a measurement gap for measurement according to a currently activated BWP;
the measurement unit includes: a first measurement module for measuring using a measurement gap according to a corresponding measurement gap parameter when the currently activated BWP has a corresponding measurement gap; a second measurement module for performing measurement without using a measurement gap when the currently activated BWP has no corresponding measurement gap.
12. The apparatus of claim 11, wherein the measurement gap parameters comprise a repetition period, a length, and an offset.
13. A base station, characterized in that the base station comprises an apparatus for configuring BWP related measurement gaps according to any of claims 7 to 0.
14. A user equipment, characterized in that the user equipment comprises an apparatus for configuring a BWP related measurement gap according to any of claims 11 to 12.
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