CN112425247A - Synchronization signal block and remaining minimum system information location reporting in NR measurements - Google Patents
Synchronization signal block and remaining minimum system information location reporting in NR measurements Download PDFInfo
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Abstract
According to some embodiments, an apparatus includes at least one processor and at least one memory including computer program code. The at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus to receive a configuration of at least one measurement type from a network entity. The apparatus may also detect at least one synchronization signal block. The apparatus may also read at least one physical broadcast channel. The apparatus may also transmit one or more of at least one synchronization signal timing position and at least one Remaining Minimum System Information (RMSI) timing position associated with at least one cell timing.
Description
Technical Field
Certain embodiments may relate to a communication system. For example, some embodiments may relate to radio resource management measurements.
Background
The new radio resource management (NR RRM) is defined by a synchronization signal block measurement timing configuration (SMTC). Configuring RRM measurements for the target frequency layer requires the serving cell to have knowledge about the Synchronization Signal Block (SSB) location associated with the serving cell timing of the target frequency layer.
One challenge with current RRM techniques is that the SSB location with reference to the serving cell timing of the target layer may not be known to the serving cell. One example is inter-Radio Access Technology (RAT) NR measurement before configuration using E-UTRAN new radio-dual connectivity (EN-DC). In this example, the SSB location with reference to the target layer timing is provided to the serving cell via the X2 interface. However, the serving cell does not know the timing difference with the target layer. Therefore, Subframe and Frame Timing Difference (SFTD) measurements prior to configuration in NR before configuration would contain wasted SSB search before configuration with EN-DC.
Similarly, for inter-frequency RRM measurements in Standalone (SA) NR, the SSB location with reference to the serving cell or target layer timing is assumed to be known to the serving cell using OAM. However, the use of OAM limits network implementation. Therefore, the serving cell acquiring SSB location information from user equipment by using blind SSB search would provide additional flexibility in network deployment while reducing the need for OAM. Therefore, it is desirable to enable the serving cell to know the SSB location with reference to the serving cell timing from the user equipment in order to configure normal RRM measurements.
Another challenge of current RRM techniques involves the reading of CGI (which is contained in RMSI) in ANR measurements. In particular, by taking advantage of PBCH characteristics transmitted with the synchronization signals and the opportunities for RMSI location occurrence in the MIB, this reduces serving cell data interruption in ANR measurements. For example, in LTE ANR, it is assumed that the user equipment reads a Master Information Block (MIB) and a System Information Block (SIB) using autonomous gaps, resulting in high outage times. Compared to NR with LTE, PBCH containing MIB data is always transmitted with synchronization signals. Once the user equipment determines the SSB location of the target cell and reads the MIB from the SSB, the user equipment will know exactly the location of the RMSI in the time domain. Accordingly, it is desirable to utilize such information to reduce the length of autonomous gaps and/or inactivity times for ANR measurements.
Disclosure of Invention
According to some embodiments, a method may include receiving, by a user equipment, a configuration of at least one measurement type from a network entity. The method may also include detecting, by the user equipment, at least one synchronization signal block. The method may also include transmitting a failure to detect the cell on the requested frequency layer to a network entity upon failing to detect the cell on the requested frequency layer. The method may also include searching, by the user device, for at least one SSB of the target tier. The method may also include reading, by the user equipment, the at least one physical broadcast channel. The method can also include transmitting, by the user equipment, one or more of at least one synchronization signal timing position and at least one Remaining Minimum System Information (RMSI) timing position associated with the at least one cell timing.
According to some embodiments, an apparatus may comprise means for receiving a configuration of at least one measurement type from a network entity. The apparatus may also include means for detecting at least one synchronization signal block. The apparatus may also include means for transmitting a failure to detect the cell on the requested frequency layer to a network entity upon failing to detect the cell on the requested frequency layer. The apparatus may also include means for searching for at least one SSB of the target tier. The apparatus may also include means for reading at least one physical broadcast channel. The apparatus can also include means for transmitting one or more of at least one synchronization signal timing position and at least one Remaining Minimum System Information (RMSI) timing position associated with at least one cell timing.
According to some embodiments, an apparatus may include at least one processor and at least one memory including computer program code. The at least one memory and the computer program code may be configured to, with the at least one processor, cause the apparatus at least to receive a configuration of at least one measurement type from a network entity. The at least one memory and the computer program code may also be configured to, with the at least one processor, cause the apparatus at least to detect at least one synchronization signal block. The at least one memory and the computer program code may also be configured to, with the at least one processor, cause the apparatus at least to transmit, to a network entity, a failure to detect a cell on a requested frequency layer, when the cell fails to be detected on the requested frequency layer. The at least one memory and the computer program code may also be configured to, with the at least one processor, cause the apparatus at least to search for at least one SSB of the target tier. The at least one memory and the computer program code may also be configured to, with the at least one processor, cause the apparatus at least to read at least one physical broadcast channel. The at least one memory and the computer program code may also be configured to, with the at least one processor, cause the apparatus at least to transmit one or more of at least one synchronization signal timing position and at least one Remaining Minimum System Information (RMSI) timing position associated with at least one cell timing.
According to some embodiments, a non-transitory computer readable medium may be encoded with instructions that, when executed in hardware, may perform a method. The method may receive a configuration of at least one measurement type from a network entity. The method may also detect at least one synchronization signal block. The method may also transmit a failure to detect a cell on the requested frequency layer to a network entity when the cell fails to be detected on the requested frequency layer. The method may also search for at least one SSB of the target layer. The method may also read at least one physical broadcast channel. The method may also transmit one or more of at least one synchronization signal timing position and at least one Remaining Minimum System Information (RMSI) timing position associated with the at least one cell timing.
According to some embodiments, a computer program product may perform a method. The method may receive a configuration of at least one measurement type from a network entity. The method may also detect at least one synchronization signal block. The method may also transmit a failure to detect a cell on the requested frequency layer to a network entity when the cell fails to be detected on the requested frequency layer. The method may also search for at least one SSB of the target layer. The method may also read at least one physical broadcast channel. The method may also transmit one or more of at least one synchronization signal timing position and at least one Remaining Minimum System Information (RMSI) timing position associated with the at least one cell timing.
According to some embodiments, an apparatus may include circuitry configured to receive a configuration of at least one measurement type from a network entity. The circuitry may also detect at least one synchronization signal block. The circuitry may also transmit, to the network entity, a failure to detect the cell on the requested frequency layer when the cell fails to be detected on the requested frequency layer. The circuitry may also search for at least one SSB of the target layer. The circuitry may also read at least one physical broadcast channel. The circuitry may also transmit one or more of at least one synchronization signal timing position and at least one Remaining Minimum System Information (RMSI) timing position associated with the at least one cell timing.
In accordance with some embodiments, a method may include receiving, by a user equipment, a configuration of a new ANR measurement type from a first network entity, wherein the configuration includes at least one RMSI timing location configured for ANR measurement reporting. The method may also include reading, by the user equipment, at least one CGI of a target cell configured for ANR measurement. The method may further comprise: transmitting, by the user equipment, at least one CGI information of a target cell configured for ANR measurement to a second network entity.
In accordance with some embodiments, an apparatus may include means for receiving a configuration of a new ANR measurement type from a first network entity, wherein the configuration includes at least one RMSI timing location configured for ANR measurement reporting. The apparatus may also include means for reading at least one CGI of a target cell configured for ANR measurement. The apparatus may also include means for transmitting at least one CGI information of a target cell configured for ANR measurement to a second network entity.
According to some embodiments, an apparatus may include at least one processor and at least one memory including computer program code. The at least one memory and the computer program code may be configured to, with the at least one processor, cause the apparatus at least to receive a configuration of a new ANR measurement type from a first network entity, wherein the configuration includes at least one RMSI timing location configured for ANR measurement reporting. The at least one memory and the computer program code may also be configured to, with the at least one processor, cause the apparatus at least to read at least one CGI of a target cell configured for ANR measurement. The at least one memory and the computer program code may also be configured to, with the at least one processor, cause the apparatus to transmit at least one CGI information of a target cell configured for ANR measurement to a second network entity.
According to some embodiments, a non-transitory computer readable medium may be encoded with instructions that, when executed in hardware, may perform a method. The method may receive a configuration of a new ANR measurement type from a first network entity, wherein the configuration includes at least one RMSI timing position configured for ANR measurement reporting. The method may also read at least one CGI of a target cell configured for ANR measurement. The method may also transmit at least one CGI information of a target cell configured for ANR measurement to a second network entity.
According to some embodiments, a computer program product may perform a method. The method may receive a configuration of a new ANR measurement type from a first network entity, wherein the configuration includes at least one RMSI timing position configured for ANR measurement reporting. The method may also read at least one CGI of a target cell configured for ANR measurement. The method may also transmit at least one CGI information of a target cell configured for ANR measurement to a second network entity.
In accordance with some embodiments, an apparatus may include circuitry configured to receive a configuration of a new ANR measurement type from a first network entity, wherein the configuration includes at least one RMSI timing location configured for ANR measurement reporting. The circuitry may also read at least one CGI of a target cell configured for ANR measurement. The circuitry may also transmit, to a second network entity, at least one CGI information of a target cell configured for ANR measurement.
According to some embodiments, a method may include transmitting, by a network entity, a configuration of at least one measurement type to a user equipment. The method may also include receiving, by the network entity from the user equipment, one or more of at least one synchronization signal timing position and at least one Remaining Minimum System Information (RMSI) timing position associated with the at least one cell timing. The method may also include exchanging, by the network entity, SSB and RMSI timing locations via an X2 interface.
According to some embodiments, an apparatus may comprise means for transmitting a configuration of at least one measurement type to a user equipment. The apparatus may also include means for receiving, from a user equipment, one or more of at least one synchronization signal timing position and at least one Remaining Minimum System Information (RMSI) timing position associated with at least one cell timing. The apparatus may also include means for exchanging SSB and RMSI timing locations via an X2 interface.
According to some embodiments, an apparatus may include at least one processor and at least one memory including computer program code. The at least one memory and the computer program code may be configured to, with the at least one processor, cause the apparatus at least to transmit. The at least one memory and the computer program code may also be configured to, with the at least one processor, cause the apparatus at least to receive, from a user equipment, one or more of at least one synchronization signal timing position and at least one Remaining Minimum System Information (RMSI) timing position associated with at least one cell timing. The at least one memory and the computer program code may also be configured to, with the at least one processor, cause the apparatus at least to exchange SSB and RMSI timing locations via an X2 interface.
According to some embodiments, a non-transitory computer-readable medium may be encoded with instructions that, when executed in hardware, may perform a method. The method may transmit a configuration of at least one measurement type to the user equipment. The method may also receive, from the user equipment, one or more of at least one synchronization signal timing position and at least one Remaining Minimum System Information (RMSI) timing position associated with the at least one cell timing. The method may also exchange SSB and RMSI timing locations via the X2 interface.
According to some embodiments, a computer program product may perform a method. The method may transmit a configuration of at least one measurement type to the user equipment. The method may also receive, from the user equipment, one or more of at least one synchronization signal timing position and at least one Remaining Minimum System Information (RMSI) timing position associated with the at least one cell timing. The method may also exchange SSB and RMSI timing locations via the X2 interface.
According to some embodiments, an apparatus may include circuitry configured to transmit SSB and RMSI timing locations via an X2 interface. The circuitry can also receive, from the user equipment, one or more of at least one synchronization signal timing position and at least one Remaining Minimum System Information (RMSI) timing position associated with the at least one cell timing. The circuitry may also exchange SSB and RMSI timing locations via an X2 interface.
In accordance with some embodiments, a method may include transmitting, by a network entity, a configuration of a new ANR measurement type to a user equipment, wherein the configuration includes at least one RMSI timing location to be used for ANR measurement. The method may also include receiving, by the network entity, at least one CGI information of a target cell configured for ANR measurement from the user equipment. The method may further comprise: transmitting, by the network entity, a configuration of at least one measurement gap to the user equipment.
In accordance with some embodiments, an apparatus may include means for transmitting a configuration of a new ANR measurement type to a user equipment, wherein the configuration includes at least one RMSI timing location to be used for ANR measurement. The apparatus may also include means for receiving at least one CGI information of a target cell configured for ANR measurement from a user equipment. The apparatus may also include means for transmitting, from the user equipment, at least one CGI information of a target cell configured for ANR measurement.
According to some embodiments, an apparatus may include at least one processor and at least one memory including computer program code. The at least one memory and the computer program code may be configured, with the at least one processor, to cause the apparatus at least to transmit a configuration of a new ANR measurement type to a user equipment, wherein the configuration includes at least one RMSI timing location to be used for ANR measurement. The at least one memory and the computer program code may also be configured to, with the at least one processor, cause the apparatus at least to receive, from a user equipment, at least one CGI information of a target cell configured for ANR measurement. The at least one memory and the computer program code may also be configured to, with the at least one processor, cause the apparatus at least to transmit a configuration of at least one measurement gap to a user equipment.
According to some embodiments, a non-transitory computer-readable medium may be encoded with instructions that, when executed in hardware, may perform a method. The method may transmit a configuration of a new ANR measurement type to a user equipment, wherein the configuration includes at least one RMSI timing position to be used for ANR measurement. The method may also receive at least one CGI information of a target cell configured for ANR measurement from a user equipment. The method may also transmit a configuration of at least one measurement gap to the user equipment.
According to some embodiments, a computer program product may perform a method. The method may transmit a configuration of at least one measurement gap to the user equipment. The method may also receive at least one CGI information of a target cell configured for ANR measurement from a user equipment. The method may also transmit a configuration of at least one measurement gap to the user equipment.
In accordance with some embodiments, an apparatus may include circuitry configured to transmit a configuration of a new ANR measurement type to a user equipment, wherein the configuration includes at least one RMSI timing location to be used for ANR measurement. The circuitry may also receive, from the user equipment, at least one CGI information of a target cell configured for ANR measurement. The circuitry may also transmit a configuration of at least one measurement gap to the user equipment.
Drawings
For a proper understanding of the present disclosure, reference should be made to the accompanying drawings, in which:
fig. 1 illustrates an example of a method performed by a user equipment, according to some embodiments.
Fig. 2 illustrates another example of a method performed by a user equipment according to some embodiments.
Fig. 3 illustrates an example of a method performed by a network entity, in accordance with certain embodiments.
Fig. 4 illustrates an example of another method performed by a network entity, in accordance with certain embodiments.
FIG. 5 illustrates an example of a system according to some embodiments.
Detailed Description
Certain embodiments described herein may enable a serving cell to configure normal radio resource management measurements with other user equipment on the frequency layer without requiring a separate interface connection to exchange synchronization signal block locations between the serving cell and a target cell. Example embodiments described herein may have various benefits and/or advantages. For example, some embodiments may eliminate the need to make target cell synchronization signal block measurement timing configuration information available through OAM. As another example, in an embodiment where the user equipment reports RMSI timing locations as part of RRM measurement reporting, the serving cell may configure measurement gaps with known interrupt timing for measuring cell global identities for automatic neighbor relations. In this way, the total interrupt period with unknown timing can be reduced. For example, by separating the RMSI reading from the ANR measurement, the total unknown interruption time may remain unchanged. Accordingly, certain embodiments are directed to improvements in computer-related technology, particularly by conserving network resources and reducing power consumption of network entities and/or user equipment located in a network.
The trigger may be one of the following: the RRM measurements have no synchronization signal block measurement timing configuration (SMTC) or have incomplete SMTC information, the RRM measurements are associated with a reportTimingInformation reporting type, and the measurement configuration is associated with at least one timer. In some embodiments, the SMTC information may include a period, offset, and/or duration of the SMTC window, while incomplete SMTC information may indicate that one or more of these three elements are missing. The one or more RRM measurement values may be associated with at least one Physical Cell Identifier (PCI) and/or at least one Reference Signal Received Power (RSRP).
Fig. 1 shows an example of a method performed by a user device, such as user device 510 in fig. 5. In step 101, the user equipment may receive a configuration of at least one measurement type from a network entity, such as network entity 520 in fig. 5. In some embodiments, the user equipment is configured to have at least one Radio Resource Management (RRM) measurement in at least one layer to trigger transmission of one or more of the at least one synchronization signal timing position and the at least one Remaining Minimum System Information (RMSI) timing position. The RMSI timing location may be associated with PDCCH-ConfigSIB1 in the MIB. Further, the location may be determined by the four least significant bits in PDCCH-ConfigSIB1 and the mapping from the four bits to the exact frame, slot and symbol where the RMSI is transmitted.
In some embodiments, the trigger may be one of the following: the RRM measurements have no synchronization signal block measurement timing configuration (SMTC) or have incomplete SMTC information, the RRM measurements are associated with a reportTimingInformation reporting type, and/or the measurement configuration is associated with at least one timer. In some embodiments, the SMTC information may include a period, offset, and/or duration of the SMTC window, while incomplete SMTC information may indicate that one or more of these three elements are missing. The one or more RRM measurements may be associated with at least one Physical Cell Identifier (PCI) and/or at least one Reference Signal Received Power (RSRP). In step 103, the user equipment may detect at least one synchronization signal block. In step 105, upon failing to detect a cell on the requested frequency layer, the user equipment may transmit a failure to detect a cell on the requested frequency layer to the network entity. In step 107, the user equipment may search for at least one SSB of the target tier. In some embodiments, the search may be performed with autonomous gaps and/or with data dropping. For example, data dropping may be associated with entering an idle or inactive mode, or with Discontinuous Reception (DRX). In step 109, the user equipment may read at least one physical broadcast channel.
In step 111, the user equipment may transmit one or more of at least one synchronization signal timing position and at least one Remaining Minimum System Information (RMSI) timing position associated with at least one cell timing. In some embodiments, the at least one configurable timer defines when to terminate a search for at least one cell on the configured frequency layer. In various embodiments, one or more of the at least one synchronization signal timing position and the at least one Remaining Minimum System Information (RMSI) timing position are referenced to at least one target cell timing and at least one timing difference between the serving cell and the target cell. In further embodiments, one or more of the at least one synchronization signal timing position and the at least one Remaining Minimum System Information (RMSI) timing position are referenced to the at least one serving cell timing.
Fig. 2 shows another example of a method performed by a user device, such as user device 510 in fig. 5. In step 201, a user equipment may receive a configuration of a new ANR measurement type from a first network entity, such as network entity 520 in fig. 5, wherein the configuration includes at least one RMSI timing position configured for ANR measurement reporting. In step 203, the user equipment may read at least one CGI information of a target cell configured for ANR measurement. In step 205, the user equipment may transmit at least one CGI information of a target cell configured for ANR measurement to a second network entity. In some embodiments, the user equipment may receive a configuration of at least one measurement gap and read CGI information within the at least one configured gap. At least one measurement gap corresponding to the RMSI timing position may be configured for ANR measurement. A UE configured to read the RMSI will not cause data interruption outside of the configured gap pattern.
Fig. 3 illustrates an example of a method performed by a network entity, such as network entity 520 in fig. 5, in accordance with certain embodiments. In step 301, the network entity may transmit a configuration of at least one measurement type to a user equipment, such as user equipment 510 in fig. 5. In step 303, the network entity may receive one or more of at least one synchronization signal timing position and at least one Remaining Minimum System Information (RMSI) timing position associated with at least one cell timing from the user equipment. In step 305, the network entities may exchange SSB and RMSI timing locations via the X2 interface. In some embodiments, at least one Radio Resource Management (RRM) measurement in at least one layer may trigger transmission of one or more of at least one synchronization signal timing position and at least one Remaining Minimum System Information (RMSI) timing position. The RMSI timing location may be associated with PDCCH-ConfigSIB1 in the MIB. Furthermore, the location may be determined by the four least significant bits in PDCCH-ConfigSIB1 and the mapping from these four bits to the exact frame, slot and symbol where the RMSI is transmitted.
In some embodiments, the at least one configurable timer may define when to terminate a search for at least one cell on the configured frequency layer. One or more of the at least one synchronization signal timing position and the at least one Remaining Minimum System Information (RMSI) timing position may be based on at least one timing difference between the serving cell and the target cell. One or more of the at least one synchronization signal timing position and the at least one Remaining Minimum System Information (RMSI) timing position may be referenced to the at least one serving cell timing.
Fig. 4 shows an example of another method performed by a network entity, such as network entity 520 in fig. 5. In step 401, a network entity may transmit a configuration of a new ANR measurement type to a user equipment, such as user equipment 510 in fig. 5, wherein the configuration includes at least one RMSI timing position for ANR measurement. In step 403, the network entity may receive at least one CGI information of a target cell configured for ANR measurement from the user equipment. In step 405, the network entity may transmit a configuration of at least one measurement gap to the user equipment. In step 407, the network entities may exchange SSB and RMSI timing locations via the X2 interface.
FIG. 5 illustrates an example of a system according to some embodiments. In one embodiment, the system may include multiple devices, such as user equipment 510 and/or network entity 520.
One or more of these devices may include at least one processor, denoted 511 and 521, respectively. Processors 511 and 521 may be embodied by any computing or data processing device, such as a Central Processing Unit (CPU), Application Specific Integrated Circuit (ASIC), or the like. The processor may be implemented as a single controller, or as multiple controllers or processors.
At least one memory may be provided in one or more devices, indicated by 512 and 522. The memory may be fixed or removable. The memory may include computer program instructions or computer code embodied therein. Memories 512 and 522 may independently be any suitable storage device, such as a non-transitory computer-readable medium. A Hard Disk Drive (HDD), Random Access Memory (RAM), flash memory or other suitable memory may be used. The memory may be combined as the processor on a single integrated circuit, or may be separate from the one or more processors. Furthermore, the computer program instructions stored in the memory and processable by the processor may be in any suitable form of computer program code, such as a compiled or interpreted computer program written in any suitable programming language. The memory may or may not be removable.
As shown in fig. 5, transceivers 513 and 523 may be provided, and one or more devices may further include at least one antenna, respectively designated 514 and 524. The device may have a number of antennas, such as an antenna array (MIMO) configured for multiple-input multiple-output communication or multiple antennas for multiple radio access technologies. For example, other configurations of these devices may be provided. Transceivers 513 and 523 may be transmitters, receivers, or both transmitters and receivers, or may be configured as units or devices for transmission and reception.
The memory and computer program instructions may be configured to, with the processor for a particular device, cause a hardware apparatus, such as a user device, to perform any of the processes described below (e.g., see fig. 1-4). Thus, in certain embodiments, a non-transitory computer readable medium may be encoded with computer instructions that, when executed in hardware, perform a process such as one of the processes described herein. Alternatively, some embodiments may be implemented entirely in hardware.
In some embodiments, an apparatus may include circuitry configured to perform any of the processes or functions illustrated in fig. 1-4. For example, the circuitry may be hardware-only circuit implementations, such as analog and/or digital circuitry. In another example, the circuitry may be a combination of hardware circuitry and software, such as a combination of analog and/or digital hardware circuitry(s) and software or firmware, and/or a combination of any part of a hardware processor(s) and software (including a digital signal processor(s), software, and at least one memory, which work together to cause an apparatus to perform various processes or functions.
The features, structures, or characteristics of some embodiments described throughout this specification may be combined in any suitable manner in one or more embodiments. For example, throughout the specification, use of the phrases "certain embodiments," "some embodiments," "other embodiments," or other similar language refers to the fact that: the particular features, structures, or characteristics described in connection with the embodiment may be included in at least one embodiment of the invention. Thus, appearances of the phrases "in certain embodiments," "in other embodiments," or other similar language throughout this specification do not necessarily refer to the same group of embodiments, and the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
Those of ordinary skill in the art will readily appreciate that certain embodiments described above may be practiced with steps in a different order and/or with hardware elements in configurations other than those disclosed. Accordingly, it will be apparent to those skilled in the art that certain modifications, variations, and alternative constructions will be apparent, while remaining within the spirit and scope of the invention. Therefore, to ascertain the metes and bounds of the invention, the appended claims should be referenced.
Part of the vocabulary
3GPP third generation partnership project
5G fifth generation wireless system
ANR automatic neighbor relation
CGI cell global identifier
eNB evolved node B
EN-DC E-UTRAN NR Dual connectivity
MIB Master information Block
MTC measurement timing configuration
E-UTRAN evolved universal mobile telecommunication system terrestrial radio access network
gNB next generation node B
LTE Long term evolution
MTC measurement timing configuration
NE network entity
NR new radio
OAM operation, maintenance and management
PCI physical cell identity
RAT radio access technology
RMSI minimum system information remaining
RRM radio resource management
SA independent
SFN System framework number
SFTD sub-frame and frame timing differences
SIB system information block
SMTC synchronization signal block measurement timing configuration
SSB synchronization signal block
UE user equipment
Claims (40)
1. An apparatus, comprising:
at least one processor; and
at least one memory including computer program code,
wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus to:
receiving a configuration of at least one measurement type from a network entity;
detecting at least one synchronization signal block;
reading at least one physical broadcast channel; and
transmitting one or more of at least one synchronization signal timing position and at least one Remaining Minimum System Information (RMSI) timing position associated with at least one cell timing.
2. The apparatus of claim 1, wherein the apparatus is configured with at least one Radio Resource Management (RRM) measurement in at least one layer to trigger the transmission of the one or more of at least one synchronization signal timing position and at least one Remaining Minimum System Information (RMSI) timing position, and wherein the trigger may be one of:
the RRM measurements have no synchronization signal block measurement timing configuration (SMTC) or incomplete SMTC information,
the RRM measurement is associated with a reportTimingInformation report type, and/or
The measurement configuration is associated with at least one timer.
3. The apparatus of claim 1 or 2, wherein the at least one memory and the computer program code are further configured to, with the at least one processor, cause the apparatus to:
searching for at least one SSB of the target tier, wherein the searching is performed with autonomous gaps and/or with data dropping.
4. The apparatus of any of claims 1-3, wherein the at least one memory and the computer program code are further configured to, with the at least one processor, cause the apparatus to:
upon failing to detect a cell on the requested frequency layer, transmitting a failure to detect a cell on the requested frequency layer to a network entity.
5. The apparatus according to any of claims 1 to 4, wherein at least one configurable timer defines when to terminate a search for at least one cell on the configured frequency layer.
6. The apparatus of any one of claims 1-5, wherein the one or more of at least one synchronization signal timing position and at least one Remaining Minimum System Information (RMSI) timing position reference at least one target cell timing and at least one timing difference between a serving cell and a target cell.
7. The apparatus of any one of claims 1-6, wherein the one or more of at least one synchronization signal timing position and at least one Remaining Minimum System Information (RMSI) timing position are referenced to at least one serving cell timing.
8. An apparatus, comprising:
at least one processor; and
at least one memory including computer program code, wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus to:
receiving a configuration of a new ANR measurement type from a first network entity;
reading at least one CGI of a target cell configured for ANR measurements; and
transmitting at least one CGI information of the target cell configured for ANR measurement to a second network entity,
wherein the configuration comprises at least one RMSI timing position configured for ANR measurement reporting.
9. The apparatus of claim 8, wherein the at least one memory and the computer program code are further configured to, with the at least one processor, cause the apparatus to:
receiving a configuration of at least one measurement gap; and
reading the CGI information within at least one configured gap,
wherein at least one measurement gap corresponding to the RMSI timing position is configured for ANR measurement.
10. An apparatus, comprising:
at least one processor; and
at least one memory including computer program code, wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus to:
transmitting a configuration of at least one measurement type to a user equipment; and
receiving, from the user equipment, one or more of at least one synchronization signal timing position and at least one Remaining Minimum System Information (RMSI) timing position associated with at least one cell timing.
11. The apparatus of claim 10, wherein the apparatus is configured with at least one Radio Resource Management (RRM) measurement in at least one layer to trigger the transmission of the one or more of at least one synchronization signal timing position and at least one Remaining Minimum System Information (RMSI) timing position, and wherein the trigger may be one of:
the RRM measurements have no synchronization signal block measurement timing configuration (SMTC) or incomplete SMTC information,
the RRM measurement is associated with a reportTimingInformation report type, and/or
The measurement configuration is associated with at least one timer.
12. The apparatus according to any of claims 10 or 11, wherein at least one configurable timer defines when to terminate a search for at least one cell on the configured frequency layer.
13. The apparatus of any one of claims 10 to 12, wherein the one or more of at least one synchronization signal timing position and at least one Remaining Minimum System Information (RMSI) timing position refer to at least one target cell timing and at least one timing difference between a serving cell and a target cell.
14. The apparatus of any one of claims 10 to 13, wherein the one or more of at least one synchronization signal timing position and at least one Remaining Minimum System Information (RMSI) timing position refer to at least one serving cell timing.
15. The apparatus of any of claims 10 to 14, wherein the at least one memory and the computer program code are further configured to, with the at least one processor, cause the apparatus to:
SSB and RMSI timing locations are exchanged via the X2 interface.
16. An apparatus, comprising:
at least one processor; and
at least one memory including computer program code, wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus to:
transmitting a configuration of a new ANR measurement type to a user equipment, wherein the configuration comprises at least one RMSI timing position to be used for ANR measurement; and
at least one CGI information of a target cell configured for ANR measurement is received from a user equipment.
17. The apparatus of claim 16, wherein the at least one memory and the computer program code are further configured to, with the at least one processor, cause the apparatus to:
transmitting a configuration of at least one measurement gap to the user equipment,
wherein at least one measurement gap corresponding to the at least one RMSI timing position is configured for ANR measurement.
18. The apparatus of any of claims 16 or 17, wherein the at least one memory and the computer program code are further configured to, with the at least one processor, cause the apparatus to:
SSB and RMSI timing locations are exchanged via the X2 interface.
19. A method, comprising:
receiving, by a user equipment, a configuration of at least one measurement type from a network entity;
detecting, by the user equipment, at least one synchronization signal block;
reading, by the user equipment, at least one physical broadcast channel; and
transmitting one or more of at least one synchronization signal timing position and at least one Remaining Minimum System Information (RMSI) timing position associated with at least one cell timing.
20. The method of claim 19, wherein at least one Radio Resource Management (RRM) measurement in at least one layer triggers the transmission of the one or more of at least one synchronization signal timing position and at least one Remaining Minimum System Information (RMSI) timing position, and wherein the trigger may be one of:
the RRM measurements have no synchronization signal block measurement timing configuration (SMTC) or incomplete SMTC information,
the RRM measurement is associated with a reportTimingInformation report type 0, and/or
The measurement configuration is associated with at least one timer.
21. The method of claim 19 or 20, further comprising:
searching, by the user equipment, for at least one SSB of the target tier, wherein the searching is performed with autonomous gaps and/or with data dropping.
22. The method of any of claims 19 to 21, further comprising:
transmitting, by the user equipment to a network entity, a failure to detect a cell on the requested frequency layer upon failing to detect a cell on the requested frequency layer.
23. The method according to any of claims 19 to 22, wherein at least one configurable timer defines when to terminate a search for at least one cell on the configured frequency layer.
24. The method of any one of claims 19 to 23, wherein the one or more of at least one synchronization signal timing position and at least one Remaining Minimum System Information (RMSI) timing position refer to at least one target cell timing and at least one timing difference between a serving cell and a target cell.
25. The method of any one of claims 19 to 24, wherein the one or more of at least one synchronization signal timing position and at least one Remaining Minimum System Information (RMSI) timing position refer to at least one serving cell timing.
26. A method, comprising:
receiving, by a user equipment, a configuration of a new ANR measurement type from a first network entity;
reading, by the user equipment, at least one CGI of a target cell configured for ANR measurement; and
transmitting, by the user equipment to a second network entity, at least one CGI information of the target cell configured for ANR measurement,
wherein the configuration comprises at least one RMSI timing position configured for ANR measurement reporting.
27. The method of claim 26, further comprising:
receiving a configuration of at least one measurement gap; and
reading the CGI information within at least one configured gap,
wherein at least one measurement gap corresponding to the RMSI timing position is configured for ANR measurement.
28. A method, comprising:
transmitting, by the network entity, a configuration of at least one measurement type to the user equipment; and
receiving, by a network entity from the user equipment, one or more of at least one synchronization signal timing position and at least one Remaining Minimum System Information (RMSI) timing position associated with at least one cell timing.
29. The method of claim 28, wherein at least one Radio Resource Management (RRM) measurement in at least one layer triggers the transmission of the one or more of at least one synchronization signal timing position and at least one Remaining Minimum System Information (RMSI) timing position, and wherein the trigger may be one of:
the RRM measurements have no synchronization signal block measurement timing configuration (SMTC) or incomplete SMTC information,
the RRM measurement is associated with a reportTimingInformation report type, and/or
The measurement configuration is associated with at least one timer.
30. The method according to any of claims 28 or 29, wherein at least one configurable timer defines when to terminate a search for at least one cell on the configured frequency layer.
31. The method of any one of claims 28-30, wherein the one or more of at least one synchronization signal timing position and at least one Remaining Minimum System Information (RMSI) timing position refer to at least one target cell timing and at least one timing difference between a serving cell and a target cell.
32. The method of any one of claims 28-31, wherein the one or more of at least one synchronization signal timing position and at least one Remaining Minimum System Information (RMSI) timing position are referenced to at least one serving cell timing.
33. The method of any of claims 28 to 32, further comprising:
SSB and RMSI timing locations are exchanged by the network entities via an X2 interface.
34. A method, comprising:
transmitting, by a network entity, a configuration of a new ANR measurement type to a user equipment, wherein the configuration comprises at least one RMSI timing position to be used for ANR measurement; and
receiving, by the network entity, at least one CGI information of a target cell configured for ANR measurement from a user equipment.
35. The method of claim 34, further comprising:
transmitting, by the network entity to a user equipment, a configuration of at least one measurement gap,
wherein at least one measurement gap corresponding to the at least one RMSI timing position is configured for ANR measurement.
36. The method of any of claims 34 or 35, further comprising:
SSB and RMSI timing locations are exchanged by the network entities via an X2 interface.
37. A non-transitory computer-readable medium encoding instructions that, when executed in hardware, perform the process of any of claims 1-36.
38. An apparatus comprising means for performing a process according to any one of claims 1 to 36.
39. An apparatus comprising circuitry configured to cause the apparatus to perform the processes of any of claims 1-36.
40. A computer program product encoded with instructions for performing a process according to any of claims 1 to 36.
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| PCT/CN2018/096014 WO2020014876A1 (en) | 2018-07-17 | 2018-07-17 | Synchronization signal block and remaining minimum system information location reporting in nr measurement |
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| CN112425247B (en) | 2024-07-05 |
| WO2020014876A1 (en) | 2020-01-23 |
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