CN114599057A - Method, device, apparatus and storage medium residing in DL BWP - Google Patents

Method, device, apparatus and storage medium residing in DL BWP Download PDF

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Publication number
CN114599057A
CN114599057A CN202011403353.8A CN202011403353A CN114599057A CN 114599057 A CN114599057 A CN 114599057A CN 202011403353 A CN202011403353 A CN 202011403353A CN 114599057 A CN114599057 A CN 114599057A
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China
Prior art keywords
cell
defining ssb
bwp
ssb
defining
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CN202011403353.8A
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Chinese (zh)
Inventor
周欢
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Beijing Ziguang Zhanrui Communication Technology Co Ltd
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Beijing Ziguang Zhanrui Communication Technology Co Ltd
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Priority to CN202011403353.8A priority Critical patent/CN114599057A/en
Publication of CN114599057A publication Critical patent/CN114599057A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/20—Selecting an access point
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Abstract

The embodiment of the invention provides a method, equipment, a device and a storage medium residing in DL BWP, wherein the method comprises the steps of receiving indication information sent by network equipment, and residing on the DL BWP corresponding to non-cell-defining SSB based on the indication information when the network equipment is in an idle state or an inactive state; this can avoid the problems of insufficient paging resources of DL initial BWP, etc.

Description

Method, device, apparatus and storage medium residing in DL BWP
Technical Field
The present invention relates to the field of wireless communications, and in particular, to a method, device, apparatus, and storage medium for camping on a DL BWP.
Background
In the third Generation Partnership Project (3 GPP), User Equipment (UE) includes both a red Capability UE (Reduced Capability UE) and a non-red Capability UE (enhanced Mobile Broadband UE) including eMBB UE (enhanced Mobile Broadband UE) and URLLC UE (Ultra Low coverage Communication UE).
The UE resides on a downlink initial partial carrier Bandwidth (BWP) in an idle (idle) state or an inactive (inactive) state; as the number of UEs increases, the related resources of the downlink initial bwp (dl initial bwp) may be insufficient.
Disclosure of Invention
An object of the embodiments of the present invention is to provide a method, an apparatus, a device and a storage medium for residing in DL BWP.
The embodiment of the invention provides a method residing in DL BWP, which is applied to user equipment and comprises the following steps: s110, receiving indication information sent by network equipment; and S120, when the mobile terminal is in an idle state or an inactive state, residing on the DL BWP corresponding to the non-cell-defining SSB based on the indication information.
Optionally, S110 includes receiving a non-cell-defining SSB, and receiving MIB information including SSB-subcarrieronoffset and pdcch-ConfigSIB1, which indicates a frequency domain location of the first cell-defining SSB that is the same as a cell identity corresponding to the non-cell-defining SSB and has SIB 1; s120 includes acquiring the SIB corresponding to the first cell-defining SSB based on the frequency domain position, and residing on the DL BWP defined by the SIB and corresponding to the non-cell-defining SSB when in an idle state or an inactive state.
Optionally, the S110 includes receiving RRC release information to enter an inactive state from an active state, where the RRC release information includes an identifier of a non-cell-defining SSB or a DL BWP identifier corresponding to the non-cell-defining SSB; s120 comprises residing on the DL BWP corresponding to the identification of non-cell-defining SSB or the DL BWP identification.
Optionally, the identifier of the non-cell-defining SSB or the DL BWP identifier is included in the SIB, and the identifiers of different non-cell-defining SSBs or different DL BWP identifiers correspond to different non-cell-defining SSBs.
Optionally, the method of camping on DL BWP comprises: receiving SIB information for measuring a frequency point corresponding to a second cell-defining SSB when residing on a DL BWP corresponding to the non-cell-defining SSB, wherein a cell corresponding to the second cell-defining SSB is adjacent to a cell corresponding to the non-cell-defining SSB, and the second cell-defining SSB and the first cell-defining SSB have the same frequency point; and measuring the frequency point corresponding to the second cell-defining SSB based on the SIB information.
Optionally, the method of camping on DL BWP comprises: measuring a frequency point corresponding to a second cell-defining SSB when residing on a DL BWP corresponding to the non-cell-defining SSB, wherein the frequency point corresponding to the second cell-defining SSB is used as a high-priority pilot frequency; and determining whether to carry out cell reselection according to the measurement result and the reselection criterion of the same frequency.
Optionally, the method of camping on DL BWP comprises: and when residing on DL BWP corresponding to the non-cell-defining SSB, measuring a frequency point corresponding to the second cell-defining SSB, wherein the frequency point corresponding to the second cell-defining SSB is used as a same priority pilot frequency.
Embodiments of the present invention further provide a network device, which includes a memory and a processor, where the memory stores computer instructions executable on the processor, and the processor executes the computer instructions to perform the steps of the method residing in DL BWP.
Embodiments of the present invention also provide a storage medium having stored thereon computer instructions that, when executed, perform the steps of the above-described method residing in DL BWP.
An embodiment of the present invention further provides an apparatus residing in DL BWP, which is applied to a user equipment, and the apparatus includes: the receiving module is suitable for receiving the indication information sent by the network equipment; and the residing module is suitable for residing on the DL BWP corresponding to the non-cell-defining SSB based on the indication information when in an idle state or an inactive state.
Optionally, the receiving module is adapted to receive a non-cell-defining SSB and to receive MIB information including SSB-subcarrieronoffset and pdcch-ConfigSIB1 indicating a frequency domain location of the first cell-defining SSB which is the same as a cell identity corresponding to the non-cell-defining SSB and has SIB 1; the residing module is suitable for acquiring the SIB corresponding to the first cell-defining SSB based on the frequency domain position, and residing on the DL BWP defined by the SIB and corresponding to the non-cell-defining SSB when in an idle state or an inactive state.
Optionally, the receiving module is adapted to receive RRC release information to enter an inactive state from an active state, where the RRC release information includes an identifier of a non-cell-defining SSB or a DL BWP identifier corresponding to the non-cell-defining SSB; the residing module is suitable for residing on the DL BWP corresponding to the identification of the non-cell-defining SSB or the DL BWP identification.
Optionally, the identifier of the non-cell-defining SSB or the DL BWP identifier is included in the SIB, and the identifiers of different non-cell-defining SSBs or different DL BWP identifiers correspond to different non-cell-defining SSBs.
Optionally, the apparatus residing in DL BWP includes a first measurement module, wherein the reception module is adapted to receive SIB information for measuring a frequency point corresponding to a second cell-defining SSB when residing on a DL BWP corresponding to the non-cell-defining SSB, a cell corresponding to the second cell-defining SSB being adjacent to a cell corresponding to the non-cell-defining SSB, the second cell-defining SSB and the first cell-defining SSB having the same frequency point; the first measurement module is suitable for measuring the frequency point corresponding to the second cell-defining SSB based on the SIB information.
Optionally, the device residing in the DL BWP includes a second measurement module and a reselection module, where the second measurement module is adapted to measure a frequency point corresponding to a second cell-defining SSB when residing on a DL BWP corresponding to a non-cell-defining SSB, and the frequency point corresponding to the second cell-defining SSB is used as a high-priority inter-frequency; and the reselection module is suitable for determining whether to perform cell reselection according to the measurement result and the same-frequency reselection criterion.
Optionally, the apparatus residing in the DL BWP includes a third measurement module, which is adapted to measure a frequency point corresponding to a second cell-defining SSB when residing on a DL BWP corresponding to a non-cell-defining SSB, where the frequency point corresponding to the second cell-defining SSB serves as a peer-to-peer pilot frequency.
An embodiment of the present invention further provides a method for enabling a user equipment to reside in DL BWP, which is applied to a network device, and the method includes: s310, sending indication information to the user equipment so that the user equipment can reside on DL BWP corresponding to non-cell-defining SSB based on the indication information when the user equipment is in an idle state or an inactive state.
Optionally, S310 includes: sending non-cell-defining SSB to the user equipment; sending MIB information including SSB-subcarrieronfset and pdcch-ConfigSIB1 to the user equipment, indicating a frequency domain location of a first cell-defining SSB that is the same as a cell identity corresponding to the non-cell-defining SSB and has SIB1, wherein the user equipment is adapted to acquire the SIB corresponding to the first cell-defining SSB based on the frequency domain location and to reside on a DL BWP defined by the SIB and corresponding to the non-cell-defining SSB when the user equipment is in an idle state or an inactive state.
Optionally, S310 includes: and sending RRC release information to the user equipment to enable the user equipment to enter an inactive state from the active state, wherein the RRC release information comprises the identifier of the non-cell-defining SSB or the DL BWP identifier corresponding to the non-cell-defining SSB, so that the user equipment is indicated to reside on the DL BWP corresponding to the identifier of the non-cell-defining SSB or the DL BWP identifier.
Optionally, the method for camping the user equipment on DL BWP comprises: configuring the identification of non-cell-defining SSB or DL BWP identification in SIB, and allocating the identification of different non-cell-defining SSB or different DL BWP identification to different non-cell-defining SSB.
Optionally, the method for camping the user equipment on DL BWP comprises: and sending SIB information for measuring a frequency point corresponding to a second cell-defining SSB to the user equipment residing on DL BWP corresponding to the non-cell-defining SSB, wherein a cell corresponding to the second cell-defining SSB is adjacent to a cell corresponding to the non-cell-defining SSB, and the second cell-defining SSB and the first cell-defining SSB have the same frequency point.
The embodiment of the present invention further provides a user equipment, which includes a memory and a processor, where the memory stores computer instructions executable on the processor, and the processor executes the computer instructions to perform the above steps of the method for enabling the user equipment to reside in DL BWP.
Embodiments of the present invention also provide a storage medium having stored thereon computer instructions that, when executed, perform the above-mentioned steps of the method for camping a user equipment on DL BWP.
The embodiment of the present invention further provides an apparatus for camping a user equipment on a DL BWP, which is applied to a network device, and the apparatus includes a first sending module, which is adapted to send indication information to the user equipment, so that the user equipment camps on a DL BWP corresponding to a non-cell-defining SSB when the user equipment is in an idle state or an inactive state based on the indication information.
Optionally, the first sending module is adapted to send the non-cell-defining SSB to the user equipment, and send MIB information including SSB-subcarrieronoffset and pdcch-ConfigSIB1 to the user equipment, indicating a frequency domain location of the first cell-defining SSB that is the same as a cell identity corresponding to the non-cell-defining SSB and has SIB1, wherein the user equipment is adapted to acquire the SIB corresponding to the first cell-defining SSB based on the frequency domain location and to reside on DL BWP corresponding to the defined SIB, non-cell-defining SSB, when the user equipment is in an idle state or an inactive state.
Optionally, the first sending module is adapted to send RRC release information to the user equipment to enable the user equipment to enter the inactive state from the active state, where the RRC release information includes an identifier of the non-cell-defining SSB or a DL BWP identifier corresponding to the non-cell-defining SSB, so as to indicate that the user equipment is camped on the DL BWP corresponding to the identifier of the non-cell-defining SSB or the DL BWP identifier.
Optionally, the apparatus for camping a user equipment on a DL BWP comprises a configuration module adapted to configure an identity of a non-cell-defining SSB or a DL BWP identity in a SIB and to assign an identity of a different non-cell-defining SSB or a different DL BWP identity to a different non-cell-defining SSB.
Optionally, the apparatus for camping a user equipment on a DL BWP includes a second sending module, which is adapted to send, to the user equipment camping on a DL BWP corresponding to a non-cell-defining SSB, SIB information for measuring a frequency point corresponding to a second cell-defining SSB, where a cell corresponding to the second cell-defining SSB is adjacent to a cell corresponding to the non-cell-defining SSB, and the second cell-defining SSB and the first cell-defining SSB have the same frequency point.
Compared with the prior art, the technical scheme of the embodiment of the invention has the beneficial effect. For example, when the number of UEs (e.g., a red map UE) increases, the UEs may camp on the downlink BWP (DL BWP) corresponding to the non-cell-defining SSB, so as to avoid the problem of insufficient paging resources of the DL initial BWP.
Drawings
Fig. 1 is a flowchart illustrating a method for camping on DL BWP by a UE according to an embodiment of the present invention;
FIG. 2 is a diagram illustrating a UE performing cell measurement according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an apparatus for camping on DL BWP by a UE according to an embodiment of the present invention;
fig. 4 is a flowchart illustrating a method for camping on DL BWP by a UE according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an apparatus for camping on DL BWP by a UE according to an embodiment of the present invention.
Detailed Description
In a New Radio (NR) system, a Synchronization Signal Block (SSB) is introduced to improve the speed of cell Synchronization and acquiring cell system messages; the SSB includes a Primary Synchronization Signal (PSS), a Secondary Synchronization Signal (SSS), and a Physical Broadcast Channel (PBCH).
The SSB may be divided into a cell-defining synchronization signal block (cell-defining SSB) carrying a special type of Control-Resource Set (coreset), i.e., coreset0, and having a corresponding first system information block (SIB1), and a non-cell-defining SSB carrying no coreset0 and having no corresponding SIB 1.
According to the 3GPP protocol, in NR system, the UE resides on DL initial BWP in idle or inactive state, where DL initial BWP is decided by cell-defining SSB and coreset 0. However, as the number of UEs increases, the paging resources of the DL initial BWP may be insufficient.
In the embodiment of the invention, a UE (e.g., a reccap UE) receives indication information sent by a network device, and resides on a DL BWP corresponding to a non-cell-defining SSB when the UE is in idle or inactive state.
For example, the UE receives a non-Cell-defining SSB, and Master Information Block (MIB) information including a sub-carrier offset (SSB-subcarrierarnoffset) and a first system information block configuration (pdcch-ConfigSIB1), which indicates a frequency domain position of a first Cell-defining synchronization signal block (Cell-defining SSB) that is the same as a Cell identification (Cell ID) corresponding to the non-Cell-defining SSB and has SIB1, based on which the UE acquires the SIB corresponding to the first Cell-defining SSB and resides on a DL BWP defined by the SIB.
For another example, the UE receives RRC release information to enter an inactive state from an active (active) state, where the RRC release information includes an identifier of a non-cell-defining SSB or a DL BWP identifier (DL BWP ID) corresponding to the non-cell-defining SSB, and the UE resides on the identifier of the non-cell-defining SSB or the DL BWP corresponding to the DL BWP ID.
When the number of UEs (e.g., a reccap UE) increases, it can reside on the DL BWP corresponding to the non-cell-defining SSB, thereby avoiding the problems of insufficient paging resources of the DL initial BWP, and the like.
In the embodiment of the present invention, each technical solution may be applied to a 3G system, a 4G system, a 5G system, and a system such as a Public Land Mobile Network (PLMN) for future evolution, where the 5G system includes two types of networks, namely, a Non-independent Network (NSA) and an independent Network (SA).
In an embodiment of the present invention, the UE may be an access Terminal, a subscriber unit, a subscriber Station, a Mobile Station (Mobile Station, MS), a remote Station, a remote Terminal, a Mobile device, a user Terminal, a Terminal device (Terminal Equipment), a wireless communication device, or a user agent; the UE may also be a cellular phone, a cordless phone, a Session Initiation Protocol (IP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), a handheld device with Wireless communication capabilities, a computing device or other processing device connected to a Wireless modem, a vehicle mounted device, a wearable device, a UE in a future 5G network or a UE in a future evolved PLMN, etc.
In an embodiment of the present invention, the UE may specifically be a red map UE.
In an embodiment of the present invention, the Network device may be an apparatus deployed in a Radio Access Network (RAN) to provide a Wireless communication function, including but not limited to a device providing a base station function in a 3G, 4G, 5G system and a PLMN system evolved in the future, for example, a device providing a base station function in a 3G Network includes a node B (NodeB), a device providing a base station function in a 4G Network includes an evolved node B (eNB), a device providing a base station function in a Wireless Local Area Network (WLAN) (i.e., an Access Point, AP), a device providing a base station function in a 5G NR, a gNB (ng-eNB), and the like.
In an embodiment of the present invention, the Processor may be a Central Processing Unit (CPU), and the Processor may also be other general purpose processors, Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs), other Programmable logic devices, discrete Gate or transistor logic devices, or discrete hardware components. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
In embodiments of the invention, the memory may be either volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory. The non-volatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable PROM (EEPROM), or a flash Memory. The volatile Memory may be a Random Access Memory (RAM) which serves as an external cache. By way of example but not limitation, many forms of RAM are available, such as Static random access memory (Static RAM, SRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic Random Access Memory (SDRAM), Double Data Rate Synchronous dynamic random access memory (DDR SDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), and Direct memory bus RAM (DR RAM).
In the embodiment of the present invention, the storage medium includes various media that can store program codes, such as a usb disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.
In the embodiments of the present invention, the apparatus embodiments are merely schematic, for example, the division of the modules is only one logical function division, and there may be other division manners in actual implementation. The module may be stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network-connected device) to perform steps of a method associated with embodiments of the present invention.
In order to make the objects, features and advantages of the embodiments of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the embodiment of the present invention provides a method 100 of camping on DL BWP, which is applied to a UE.
The method 100 includes steps S110 and S120.
In the execution of step S110, the UE receives indication information transmitted by the network device.
In some cases, the indication information includes non-cell-defining SSB, and MIB information including SSB-SubcarrieronOffset and pdcch-ConfigSIB 1.
Specifically, the network equipment sends a non-cell-defining SSB to the UE; the UE performs a search for SSB based on an interval of a Synchronization Raster (Synchronization Raster), and may receive a non-cell-defining SSB.
The UE may reside on the DL BWP corresponding to the non-cell-defining SSB when in idle or inactive state.
The UE also receives MIB information containing SSB-SubcarrieronOffset and pdcch-ConfigSIB1, which indicates the frequency domain location of the first Cell-defining SSB that is the same as the Cell ID corresponding to the non-Cell-defining SSB and has SIB 1.
According to the 3GPP protocol, the MIB information contains the ssb-SubcarrieronOffset field and the pdcch-ConfigSIB1 field. Wherein, for a cell-defining SSB, a SSB-subcarrieronoffset field is used to indicate a frequency domain offset in the number of subcarriers between the SSB and the entire resource Block grid, and a PDCCH-ConfigSIB1 field is used to indicate a frequency domain position and determine Information such as a Physical Downlink Control Channel (PDCCH), a System Information Block (SIB), a coreset0, and a common search space; for non-cell-defining SSB, SSB-SubcarrierOffset and pdcch-ConfigSIB1 are used to jointly indicate one frequency domain offset.
In an embodiment of the invention, the meaning of the two fields ssb-SubcarrierOffset and pdcch-ConfigSIB1 is further defined.
Specifically, the network equipment sends MIB information containing SSB-SubcarrieronOffset and pdcch-ConfigSIB1 to the UE, wherein the UE is allowed to reside on DL BWP corresponding to non-cell-defining SSB in idle or inactive state; SSB-subcarrieronoffset and pdcch-ConfigSIB1 indicate the frequency domain location of the first Cell-defining SSB that is the same as the Cell ID corresponding to the non-Cell-defining SSB and has SIB 1.
In the specific embodiment shown in fig. 2, cell 2 has neighboring cells 1 and 3, where cell 1 includes cell-defining SSB, non-cell-defining SSB #1, and non-cell-defining SSB #2, cell 2 includes cell-defining SSB, non-cell-defining SSB #1, and non-cell-defining SSB #2, and cell 3 includes cell-defining SSB and non-cell-defining SSB # 2.
The UE resides on DL BWP corresponding to non-cell-defining SSB #1 in a cell 2 (serving cell) in idle or inactive state. SSB-subcarrieronoffset and pdcch-ConfigSIB1 indicate a cell-defining SSB corresponding to non-cell-defining SSB #1, which is in cell 2 with non-cell-defining SSB #1, and has SIB 1.
And the UE acquires the SIB corresponding to the first cell-defining SSB based on the frequency domain position.
Specifically, the UE performs a search for SSB based on the interval of Synchronization rate, and may receive a first cell-defining SSB in the serving cell; MIB information can be obtained by decoding PBCH, and information of coreset0 and PDCCH can be found through a field PDCCH-ConfigSIB1 in the MIB information; thus, Downlink Control Information (DCI) is obtained, so that a corresponding Downlink shared Physical Channel (PDSCH) can be obtained, and an SIB carried on the PDSCH is decoded, where the SIB defines a DL BWP corresponding to a non-cell-defining SSB.
The UE may take the SIB of the first cell-defining SSB as the SIB of the non-cell-defining SSB.
In the execution of step S120, the UE may reside on the SIB defined, non-cell-defining SSB corresponding DL BWP.
Specifically, the UE parses the SIB of the first cell-defining SSB to obtain the DL BWP defined by the SIB and corresponding to the non-cell-defining SSB, where the UE may reside when in idle or inactive state.
In other cases, the indication information includes RRC release information.
Specifically, the network device sends RRC release information to the UE, and the UE enters an inactive state from an active (active) state (which may also be referred to as a "connected state") after receiving the RRC release information.
The network device may configure the identifier of the non-cell-defining SSB or the DL BWP ID corresponding to the non-cell-defining SSB in the RRC release information, and the UE may reside on the corresponding DL BWP after receiving the identifier of the non-cell-defining SSB or the DL BWP ID.
The network device may configure the identity of the non-cell-defining SSB or the DL BWP ID in the SIB (which includes SIBs 1 to 9), and may allocate the identity of different non-cell-defining SSBs or different DL BWP IDs for different non-cell-defining SSBs.
After the UE camps on the corresponding DL BWP, it may continuously measure the frequency point of the current serving cell and compare the measurement result with S respectivelyIntrasearch(same frequency measurement start threshold) and SnonIntrasearch(inter-frequency measurement start threshold) and based on the comparison, whether to measure the frequency points of the adjacent cells.
The UE can perform the same-frequency measurement, that is, if the signal strength of the current serving cell of the UE is greater than the same-frequency measurementIntensity of the Start threshold (S)IntrasearchP) And the signal quality is greater than the quality (S) of the same-frequency measurement starting thresholdIntrasearchQ) And the UE does not perform the same-frequency measurement, otherwise, the UE performs the measurement on the same-frequency points of the adjacent cells.
The UE may also perform inter-frequency measurement, i.e., if the signal strength of the current serving cell of the UE is greater than the strength (S) of the inter-frequency measurement start thresholdnonIntrasearchP) And the signal quality is greater than the quality of the pilot measurement enable threshold (S)nonIntrasearchQ) In the process, the UE does not need to measure the pilot frequency with the same or low priority but needs to measure the pilot frequency points with high priority of the adjacent cells, otherwise, all the pilot frequency points with various priorities in the adjacent cells are measured.
When the signal strength and the signal quality of the frequency point of the adjacent cell meet the reselection criterion, the UE is accessed to the adjacent cell and resides in the adjacent cell; otherwise, the adjacent cell is not accessed.
When the UE resides in DL BWP corresponding to non-cell-defining SSB, it may involve measurement of cell-defining SSB frequency point in neighboring cell, and therefore, it needs to determine how to perform the measurement and corresponding cell reselection; wherein, with respect to a cell-defining SSB (first cell-defining SSB) of a serving cell, the cell-defining SSB to be measured in an adjacent cell may be referred to as a second cell-defining SSB, and the first cell-defining SSB and the second cell-defining SSB have the same frequency point.
As shown in FIG. 2, the UE resides on DL BWP corresponding to non-cell-defining SSB #1 in cell 2 in idle or inactive state, and the cell-defining SSB of cell 2 may be referred to as first cell-defining SSB.
The cell 1 adjacent to the cell 2 comprises a non-cell-defining SSB #1, which is the same as the non-cell-defining SSB #1 frequency point in the cell 2; the measurement of the UE on the non-cell-defining SSB #1 frequency point in the cell 1 may reflect the signal strength and the signal quality of the cell 1.
The cell 3 adjacent to the cell 2 does not include the non-cell-defining SSB #1, and therefore, it is necessary to measure a frequency point of the cell-defining SSB (i.e., the second cell-defining SSB) in the cell 3, where the frequency point of the cell-defining SSB in the cell 3 is an inter-frequency point relative to the frequency point of the non-cell-defining SSB #1 in the cell 2, and it may reflect the signal strength and the signal quality of the cell 3.
In an embodiment of the present invention, a UE is in idle or inactive state and resides on DL BWP corresponding to non-cell-defining SSB in a serving cell, and a network device sends SIB information for measuring a frequency point corresponding to a second cell-defining SSB in an adjacent cell to the UE; and the UE receives the SIB information so as to measure the frequency point corresponding to the second cell-defining SSB. And performing cell reselection based on the measurement result and the reselection criteria of the same frequency and different frequencies.
In another embodiment of the present invention, the UE is in idle or inactive state and resides on DL BWP corresponding to non-cell-defining SSB in the serving cell, and performs inter-frequency measurement with the frequency point corresponding to the second cell-defining SSB in the neighboring cell as high priority inter-frequency. And performing cell reselection based on the measurement result and the same-frequency reselection criterion.
In another embodiment of the present invention, the UE is in idle or inactive state and resides on DL BWP corresponding to non-cell-defining SSB in the serving cell, and the inter-frequency measurement is performed by using the frequency point corresponding to the second cell-defining SSB in the neighboring cell as the same priority inter-frequency. And performing cell reselection based on the measurement result and the pilot frequency reselection criterion.
As shown in fig. 3, an embodiment of the present invention further provides an apparatus 200 for camping on a DL BWP, which is applied to a UE. The apparatus 200 includes a receiving module 210 and a residing module 220. Wherein, the receiving module 210 is adapted to receive indication information sent by the network device; the residing module 220 is adapted to reside on the DL BWP corresponding to the non-cell-defining SSB based on the indication information when in idle or inactive state.
In a specific implementation, the receiving module 210 is adapted to receive a non-CELL-defining SSB and to receive MIB information including SSB-subcarrieronoffset and pdcch-ConfigSIB1, indicating a frequency domain location of a first CELL-defining SSB that is the same as a CELL ID corresponding to the non-CELL-defining SSB and has SIB 1; the residing module 220 is adapted to obtain the SIB corresponding to the first cell-defining SSB based on the frequency domain location, and reside on the DL BWP defined by the SIB and corresponding to the non-cell-defining SSB when in the ilde or inactive state.
In a specific implementation, the receiving module 210 is adapted to receive RRC release information and enter an inactive state from an active state, where the RRC release information includes an identifier of a non-cell-defining SSB or a DL BWP ID corresponding to the non-cell-defining SSB; the residing module 220 is adapted to reside on the DL BWP corresponding to the identification or DL BWP ID of the non-cell-defining SSB.
In a specific implementation, the identities or DL BWP IDs of non-cell-defining SSBs are included in the SIB, and different identities or different DL BWP IDs of non-cell-defining SSBs correspond to different non-cell-defining SSBs.
In a specific implementation, the apparatus 200 includes a first measurement module, wherein the receiving module 210 is adapted to receive SIB information for measuring a frequency point corresponding to a second cell-defining SSB when residing on a DL BWP corresponding to the non-cell-defining SSB, a cell corresponding to the second cell-defining SSB is adjacent to a cell corresponding to the non-cell-defining SSB, the second cell-defining SSB and the first cell-defining SSB have the same frequency point, and the first measurement module is adapted to measure the frequency point corresponding to the second cell-defining SSB based on the SIB information.
In a specific implementation, the apparatus 200 includes a second measurement module and a reselection module, where the second measurement module is adapted to measure a frequency point corresponding to a non-cell-defining SSB when residing on a DL BWP corresponding to the second cell-defining SSB, and the frequency point corresponding to the second cell-defining SSB is used as a high-priority inter-frequency; and the reselection module is suitable for determining whether to perform cell reselection according to the measurement result and the same-frequency reselection criterion.
In a specific implementation, the apparatus 200 includes a third measurement module adapted to measure a frequency point corresponding to a second cell-defining SSB when residing on a DL BWP corresponding to a non-cell-defining SSB, where the frequency point corresponding to the second cell-defining SSB serves as a peer-to-peer pilot frequency.
The modules and the relationship of the embodiments of the present invention residing in the DL BWP apparatus 200 can refer to the related descriptions of the method residing in the DL BWP described above with reference to fig. 1 to 2.
Embodiments of the present invention further provide a UE, which includes a memory and a processor, where the memory stores computer instructions executable on the processor, and the processor executes the computer instructions to perform the steps of the method residing in DL BWP and described in conjunction with fig. 1 to 2.
Embodiments of the present invention also provide a storage medium having stored thereon computer instructions that, when executed, perform the steps of the method described above with reference to fig. 1-2, residing in DL BWP.
As shown in fig. 4, an embodiment of the present invention provides a method 300 of camping on a DL BWP, which is applied to a network device.
The method 300 includes step S310.
In the execution of step S310, the network device sends indication information to the UE, so that the UE resides on the DL BWP corresponding to the non-cell-defining SSB when in idle or inactive state based on the indication information.
In some cases, the indication information includes non-cell-defining SSB, and MIB information including SSB-SubcarrieronOffset and pdcch-ConfigSIB 1.
Specifically, the network device sends non-cell-defining SSB to the UE through a Synchronization Channel (SCH) and PBCH; the UE performs a search for SSB based on the interval of the Synchronization Rate, and can receive non-cell-defining SSB.
The UE may reside on the DL BWP corresponding to the non-cell-defining SSB when in idle or inactive state.
The network device also sends MIB information including SSB-subcarrieronoffset and pdcch-ConfigSIB1, indicating the frequency domain location of the first Cell-defining SSB that is the same as the Cell ID corresponding to the non-Cell-defining SSB and has SIB1, to the UE.
In an embodiment of the invention, the network device further defines the meaning of two fields, SSB-subcarrieronoffset and pdcch-ConfigSIB1, i.e. indicating the frequency domain location of the first Cell-defining SSB with SIB1 and the same Cell ID as the non-Cell-defining SSB for the DL BWP corresponding to the non-Cell-defining SSB that allows the UE to reside in idle or inactive state.
The network device may send MIB information including ssb-SubcarrierOffset and pdcch-ConfigSIB1 to the UE through PBCH.
The UE receives the MIB information and acquires the frequency domain position, so that an SIB corresponding to the first cell-defining SSB is obtained; and the UE takes the obtained SIB as the SIB of the non-cell-defining SSB and resides on DL BWP defined by the SIB and corresponding to the non-cell-defining SSB when the UE is in idle or inactive state.
In other cases, the indication information includes RRC release information.
Specifically, the network device sends RRC release information to the UE to enable the UE to enter an inactive state from the active state, where the RRC release information includes an identifier of a non-cell-defining SSB or a DL BWP ID corresponding to the non-cell-defining SSB, so as to indicate that the UE resides on the identifier of the non-cell-defining SSB or the DL BWP corresponding to the DL BWP ID.
In a specific implementation, the method 300 includes configuring an identity or DL BWP ID of a non-cell-defining SSB in a SIB, and assigning the identity or DL BWP ID of a different non-cell-defining SSB to a different non-cell-defining SSB.
In a specific implementation, the method 300 includes sending, to a UE residing on a DL BWP, SIB information for measuring a frequency point corresponding to a second cell-defining SSB, where a cell corresponding to the second cell-defining SSB is adjacent to a cell corresponding to a non-cell-defining SSB, and the second cell-defining SSB and the first cell-defining SSB have the same frequency point.
For more details on the working principle and working manner of the method 300, reference may be made to the above-mentioned description of the method residing in DL BWP in connection with fig. 1 and 2.
As shown in fig. 5, an apparatus 400 for camping on a DL BWP by a UE is further provided in an embodiment of the present invention, and is applied to a network device, where the apparatus 400 includes a first sending module 410, which is adapted to send indication information to the UE, so that the UE, when in idle or inactive state, camps on the DL BWP corresponding to a non-cell-defining SSB based on the indication information.
In a specific implementation, the first sending module 410 is adapted to send a non-CELL-defining SSB to the UE and send MIB information including SSB-subcarrieronoffset and pdcch-ConfigSIB1 to the UE, indicating a frequency domain location of the first CELL-defining SSB that is the same as a CELL ID corresponding to the non-CELL-defining SSB and has SIB1, wherein the UE is adapted to acquire the SIB corresponding to the first CELL-defining SSB based on the frequency domain location and to reside on a DL BWP defined by the SIB corresponding to the non-CELL-defining SSB when the UE is in idle or inactive.
In a specific implementation, the first sending module 410 is adapted to send an RRC release message to the UE to make the UE enter an inactive state from an active state, where the RRC release message includes an identifier of a non-cell-defining SSB or a DL BWP ID corresponding to the non-cell-defining SSB, so as to indicate that the UE resides on the DL BWP corresponding to the identifier of the non-cell-defining SSB or the DL BWP ID.
In a specific implementation, the apparatus 400 comprises a configuration module adapted to configure an identity of a non-cell-defining SSB or a DL BWP ID in a SIB and to assign identities of different non-cell-defining SSBs or different DL BWP IDs to different non-cell-defining SSBs.
In a specific implementation, the apparatus 400 includes a second sending module adapted to send, to a UE residing on a DL BWP corresponding to a non-cell-defining SSB, SIB information for measuring a frequency point corresponding to the second cell-defining SSB, where a cell corresponding to the second cell-defining SSB is adjacent to a cell corresponding to the non-cell-defining SSB, and the second cell-defining SSB and the first cell-defining SSB have the same frequency point.
The modules and the relationship between each other in the apparatus 400 for camping UE on DL BWP in the embodiment of the present invention may refer to the related description of the method for camping UE on DL BWP described in conjunction with fig. 4.
An embodiment of the present invention further provides a network device, which includes a memory and a processor, where the memory stores computer instructions executable on the processor, and the processor executes the computer instructions to perform the steps of the method for camping a UE on a DL BWP, described above with reference to fig. 4.
The present invention also provides another storage medium, on which computer instructions are stored, and the computer instructions are executed to perform the steps of the method for camping on DL BWP by UE described in conjunction with fig. 4.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (28)

1. A method of camping on DL BWP, applied to a user equipment, the method comprising:
s110, receiving indication information sent by network equipment;
and S120, when the mobile terminal is in an idle state or an inactive state, residing on the DL BWP corresponding to the non-cell-defining SSB based on the indication information.
2. The method of claim 1, wherein:
the S110 includes receiving a non-cell-defining SSB, and receiving MIB information including SSB-subcarrieronoffset and pdcch-ConfigSIB1, which indicates a frequency domain location of a first cell-defining SSB that is the same as a cell identity corresponding to the non-cell-defining SSB and has SIB 1;
the S120 includes obtaining the SIB corresponding to the first cell-defining SSB based on the frequency domain position, and residing on the DL BWP defined by the SIB and corresponding to the non-cell-defining SSB when the SIB is in the idle state or the inactive state.
3. The method of claim 1, wherein:
the S110 includes receiving RRC release information to enter the inactive state from the active state, where the RRC release information includes an identifier of the non-cell-defining SSB or a DL BWP identifier corresponding to the non-cell-defining SSB;
the S120 includes an identifier residing on the non-cell-defining SSB or a DL BWP corresponding to the DL BWP identifier.
4. The method of claim 3, wherein the identity of the non-cell-defining SSB or the DL BWP identity is included in a SIB, and wherein the identity of a different non-cell-defining SSB or a different DL BWP identity corresponds to a different non-cell-defining SSB.
5. The method of claim 1, comprising:
receiving SIB information for measuring a frequency point corresponding to a second cell-defining SSB when residing on a DL BWP corresponding to the non-cell-defining SSB, wherein a cell corresponding to the second cell-defining SSB is adjacent to a cell corresponding to the non-cell-defining SSB, and the second cell-defining SSB and the first cell-defining SSB have the same frequency point;
and measuring the frequency point corresponding to the second cell-defining SSB based on the SIB information.
6. The method of claim 1, comprising:
measuring a frequency point corresponding to a second cell-defining SSB when residing on a DL BWP corresponding to the non-cell-defining SSB, wherein the frequency point corresponding to the second cell-defining SSB is used as a high-priority pilot frequency;
and determining whether to perform cell reselection according to the measurement result and the same-frequency reselection criterion.
7. The method of claim 1, comprising: and measuring a frequency point corresponding to a second cell-defining SSB when residing on a DL BWP corresponding to the non-cell-defining SSB, wherein the frequency point corresponding to the second cell-defining SSB is used as a same-priority pilot frequency.
8. A network device comprising a memory and a processor, the memory having stored thereon computer instructions executable on the processor, wherein the processor, when executing the computer instructions, performs the steps of the method of any one of claims 1 to 7.
9. A storage medium having stored thereon computer instructions which, when executed, perform the steps of the method of any one of claims 1 to 7.
10. An apparatus residing in DL BWP, the apparatus being applied to a user equipment, the apparatus comprising:
the receiving module is suitable for receiving the indication information sent by the network equipment;
a residing module, adapted to reside on a DL BWP corresponding to the non-cell-defining SSB based on the indication information when in an idle state or an inactive state.
11. The apparatus of claim 10, wherein:
the receiving module is adapted to receive a non-cell-defining SSB and to receive MIB information including SSB-subcarrieronoffset and pdcch-ConfigSIB1 indicating a frequency domain location of a first cell-defining SSB that is the same as a cell identity corresponding to the non-cell-defining SSB and has SIB 1;
the residing module is adapted to obtain an SIB corresponding to the first cell-defining SSB based on the frequency domain position, and reside on a DL BWP defined by the SIB and corresponding to a non-cell-defining SSB when the SIB is in the idle state or the inactive state.
12. The apparatus of claim 10, wherein:
the receiving module is suitable for receiving RRC release information to enter the non-activated state from the activated state, wherein the RRC release information comprises an identifier of the non-cell-defining SSB or a DL BWP identifier corresponding to the non-cell-defining SSB;
the residing module is suitable for residing on the identification of the non-cell-defining SSB or the DL BWP corresponding to the DLBWP identification.
13. The apparatus of claim 12, wherein the identity of the non-cell-defining SSB or the DL BWP identity is included in a SIB, and wherein the identity of a different non-cell-defining SSB or a different DL BWP identity corresponds to a different non-cell-defining SSB.
14. The apparatus of claim 10, comprising a first measurement module, wherein: the receiving module is adapted to receive, when residing on a DL BWP corresponding to the non-cell-defining SSB, SIB information for measuring a frequency point corresponding to a second cell-defining SSB, where a cell corresponding to the second cell-defining SSB is adjacent to a cell corresponding to the non-cell-defining SSB, and the second cell-defining SSB and the first cell-defining SSB have the same frequency point;
the first measurement module is adapted to measure the frequency point corresponding to the second cell-defining SSB based on the SIB information.
15. The apparatus of claim 10, comprising a second measurement module and a reselection module, wherein:
the second measurement module is suitable for measuring a frequency point corresponding to the second cell-defining SSB when residing on the DL BWP corresponding to the non-cell-defining SSB, and the frequency point corresponding to the second cell-defining SSB is used as a high-priority pilot frequency;
the reselection module is suitable for determining whether to reselect the cell according to the measurement result and the reselection criterion of the same frequency.
16. The apparatus of claim 10, comprising a third measurement module adapted to measure a frequency bin corresponding to a second cell-defining SSB when residing on a DL BWP corresponding to the non-cell-defining SSB, wherein the frequency bin corresponding to the second cell-defining SSB is used as a same priority pilot frequency.
17. A method for camping a user equipment on DL BWP, applied to a network device, the method comprising:
s310, sending indication information to the user equipment, so that the user equipment resides on DL BWP corresponding to non-cell-defining SSB based on the indication information when the user equipment is in an idle state or an inactive state.
18. The method according to claim 17, wherein the S310 comprises:
sending a non-cell-defining SSB to the user equipment;
sending MIB information including SSB-subcarrieronoffset and pdcch-ConfigSIB1 to the user equipment, indicating a frequency domain location of a first cell-defining SSB that is the same as a cell identity corresponding to the non-cell-defining SSB and has SIB1, wherein the user equipment is adapted to acquire the SIB corresponding to the first cell-defining SSB based on the frequency domain location and to reside on a DL p defined by the SIB and corresponding to the non-cell-defining SSB when the user equipment is in the idle state or the inactive state.
19. The method according to claim 17, wherein the S310 comprises: and sending RRC release information to the user equipment to enable the user equipment to enter the non-activated state from the activated state, wherein the RRrelease information comprises the identifier of the non-cell-defining SSB or the DL BWP identifier corresponding to the non-cell-defining SSB, so that the user equipment is indicated to reside on the DL BWP corresponding to the identifier of the non-cell-defining SSB or the DL BWP identifier.
20. The method of claim 19, comprising: configuring the identifier of the non-cell-defining SSB or the DL BWP identifier in an SIB, and allocating the identifiers of different non-cell-defining SSBs or different DL BWP identifiers to different non-cell-defining SSBs.
21. The method of claim 17, comprising: and sending SIB information for measuring a frequency point corresponding to a second cell-defining SSB to the user equipment residing on DL BWP corresponding to the non-cell-defining SSB, wherein a cell corresponding to the second cell-defining SSB is adjacent to a cell corresponding to the non-cell-defining SSB, and the second cell-defining SSB and the first cell-defining SSB have the same frequency point.
22. A user device comprising a memory and a processor, the memory having stored thereon computer instructions executable on the processor, wherein the processor, when executing the computer instructions, performs the steps of the method of any one of claims 17 to 21.
23. A storage medium having stored thereon computer instructions, wherein the computer instructions when executed perform the steps of the method of any of claims 17 to 21.
24. An apparatus for camping on a DL BWP of a user equipment, wherein the apparatus is applied to a network device, and the apparatus comprises a first sending module adapted to send indication information to the user equipment, so that the user equipment camps on a DL BWP corresponding to a non-cell-defining SSB when the user equipment is in an idle state or an inactive state based on the indication information.
25. The apparatus of claim 24, wherein the first sending module is adapted to send a non-cell-defining SSB to the user equipment, and send MIB information including SSB-subcarrieronoffset and pdcch-ConfigSIB1 to the user equipment, indicating a frequency domain location of a first cell-defining SSB that is the same as a cell identity corresponding to the non-cell-defining SSB and has SIB1, wherein the user equipment is adapted to obtain the SIB corresponding to the first cell-defining SSB based on the frequency domain location and to reside on a DL BWP defined by the SIB and corresponding to the non-cell-defining SSB when the user equipment is in the idle state or the inactive state.
26. The apparatus of claim 24, wherein the first sending module is adapted to send RRC release information to the user equipment to enter the inactive state from the active state, where the RRC release information includes an identifier of the non-cell-defining SSB or a DL BWP identifier corresponding to the non-cell-defining SSB, so as to indicate that the user equipment resides on the DL BWP corresponding to the identifier of the non-cell-defining SSB or the DL BWP identifier.
27. The apparatus according to claim 26, comprising a configuration module adapted to configure the identity of the non-cell-defining SSB or the DL BWP identity in a SIB and to assign the identity of a different non-cell-defining SSB or a different DL BWP identity to a different non-cell-defining SSB.
28. The apparatus of claim 24, comprising a second sending module adapted to send, to a user equipment residing on a DL BWP corresponding to the non-cell-defining SSB, SIB information for measuring a frequency point corresponding to a second cell-defining SSB, where a cell corresponding to the second cell-defining SSB is adjacent to a cell corresponding to the non-cell-defining SSB, and the second cell-defining SSB and the first cell-defining SSB have the same frequency point.
CN202011403353.8A 2020-12-04 2020-12-04 Method, device, apparatus and storage medium residing in DL BWP Pending CN114599057A (en)

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