CN111526521B - Data transmission method, node and terminal - Google Patents
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Abstract
The embodiment of the invention discloses a data transmission method, a node and a terminal. The method comprises the following steps: the first node sends the working frequency point information of the service cell to the second node.
Description
Technical Field
The present invention relates to wireless communication technologies, and in particular, to a data transmission method, a node, and a terminal.
Background
In a networking architecture of a dual connectivity (DC, dual Connectivity) scenario, which includes a Master Node (MN) and a Secondary Node (SN), a configuration of a measurement interval (gap) is related to an operating frequency point of the MN or SN. Currently, the SN only informs the MN of the frequency range of a serving cell (serving cell), but does not inform the specific operating frequency. If the MN can know the working frequency point of the SN, the configuration of the measurement interval can be more accurately carried out. However, in the prior art, there is no effective solution at present how to configure reasonable measurement intervals.
Disclosure of Invention
In order to solve the existing technical problems, the embodiment of the invention provides a data transmission method, a node and a terminal.
In order to achieve the above object, the technical solution of the embodiment of the present invention is as follows:
In a first aspect, an embodiment of the present invention provides a data transmission method, where the method includes:
the first node sends the working frequency point information of the service cell to the second node.
In the above scheme, the sending, by the first node, the working frequency point information of the serving cell to the second node includes: the first node obtains first indication information sent by the second node; the first indication information is characterized in that the first indication information is used for configuring different-frequency measurement for the terminal or configuring measurement intervals for the terminal;
and the first node sends the working frequency point information of the service cell to the second node based on the first indication information.
In the above solution, the first node obtains first indication information sent by the second node, including:
the first node obtains the first indication information through a specific indication bit in a first specific configuration message.
In the above scheme, the method further comprises: the first node transmits second indication information to the second node, the second indication information being used to indicate whether a Synchronization Signal Block (SSB) is configured in a bandwidth Part (BWP) of a serving cell configured for the terminal by the first node.
In the above scheme, the first node is an auxiliary node, and the second node is a main node; alternatively, the first node is a Distributed Unit (DU); the second node is a Central Unit (CU).
In the above scheme, the method further comprises: the first node sends measurement information to a terminal, wherein the measurement information comprises a measurement frequency point and a measurement interval; the first node receives third indication information sent by the terminal; the third indication information is used for indicating that the measurement interval is not required to be configured when the terminal measures the measurement frequency point; and the third indication information is sent after the terminal determines that the measurement frequency point is the working frequency point of the auxiliary cell corresponding to the first node.
In a second aspect, an embodiment of the present invention further provides a data transmission method, where the method includes:
the second node receives the working frequency point information of the service cell sent by the first node;
and the second node configures measurement interval information for the terminal.
In the above solution, before the second node receives the operating frequency point information of the serving cell sent by the first node, the method further includes: the second node transmits first indication information to the first node; the first indication information characterizes a measurement interval used for configuring different frequency measurement for the terminal or configuring the terminal.
In the above scheme, the second node sends first indication information to the first node, including: the second node transmits first indication information to the first node through a specific indication bit in a first specific configuration message.
In the above scheme, the method further comprises: the second node receives second indication information sent by the first node, where the second indication information is used to indicate whether the BWP of the serving cell configured by the first node for the terminal is configured with SSB.
In the above scheme, the first node is an auxiliary node, and the second node is a main node; or, the first node is a DU; the second node is a CU.
In the above scheme, the method further comprises: the second node sends measurement information to the terminal, wherein the measurement information comprises a measurement frequency point and a measurement interval;
the second node receives fourth indication information sent by the terminal; the fourth indication information is used for indicating that the measurement interval is not required to be configured when the terminal measures the measurement frequency point; and the fourth indication information is sent after the terminal determines that the measurement frequency point is the working frequency point of the auxiliary cell corresponding to the first node.
In a third aspect, an embodiment of the present invention further provides a first node, where the first node includes a first communication unit, configured to send, to a second node, operating frequency point information of a serving cell.
In the above scheme, the first communication unit is configured to obtain first indication information sent by the second node; the first indication information is characterized in that the first indication information is used for configuring different-frequency measurement for the terminal or configuring measurement intervals for the terminal; and sending the working frequency point information of the service cell to the second node based on the first indication information.
In the above solution, the first communication unit is configured to obtain the first indication information through a specific indication bit in a first specific configuration message.
In the above solution, the first communication unit is further configured to send second indication information to the second node, where the second indication information is used to indicate whether the bandwidth portion BWP of the serving cell configured by the first node for the terminal is configured with the SSB.
In the above scheme, the first node is an auxiliary node, and the second node is a main node; or, the first node is a distribution unit DU; the second node is a central unit CU.
In the above scheme, the first communication unit is further configured to send measurement information to the terminal, where the measurement information includes a measurement frequency point and a measurement interval; receiving third indication information sent by the terminal; the third indication information is used for indicating that the measurement interval is not required to be configured when the terminal measures the measurement frequency point; and the third indication information is sent after the terminal determines that the measurement frequency point is the working frequency point of the auxiliary cell corresponding to the first node.
In a fourth aspect, the embodiment of the present invention further provides a second node, where the second node includes a second communication unit and a configuration unit; wherein,,
The second communication unit is used for receiving the working frequency point information of the service cell sent by the first node;
the configuration unit is configured to configure measurement interval information for the terminal.
In the above scheme, the second communication unit is configured to send first indication information to the first node; the first indication information characterizes a measurement interval used for configuring different frequency measurement for the terminal or configuring the terminal.
In the above solution, the second communication unit is configured to send, to the first node, the first indication information through a specific indication bit in the first specific configuration message.
In the above solution, the second communication unit is further configured to receive second indication information sent by the first node, where the second indication information is used to indicate whether the BWP of the serving cell configured by the first node for the terminal is configured with an SSB.
In the above scheme, the first node is an auxiliary node, and the second node is a main node; or, the first node is a DU; the second node is a CU.
In the above scheme, the second communication unit is further configured to send measurement information to the terminal, where the measurement information includes a measurement frequency point and a measurement interval; receiving fourth indication information sent by the terminal; the fourth indication information is used for indicating that the measurement interval is not required to be configured when the terminal measures the measurement frequency point; and the fourth indication information is sent after the terminal determines that the measurement frequency point is the working frequency point of the auxiliary cell corresponding to the first node.
In a fifth aspect, embodiments of the present invention further provide a computer readable storage medium having stored thereon a computer program which when executed by a processor performs the steps of the method according to the first aspect of the embodiments of the present invention; alternatively, the program when executed by a processor implements the steps of the method according to the second aspect of the embodiment of the present invention.
In a sixth aspect, an embodiment of the present invention further provides a node, including a memory, a processor, and a computer program stored in the memory and capable of running on the processor, where the processor implements the steps of the method according to the first aspect of the embodiment of the present invention when the processor executes the program; alternatively, the processor may implement the steps of the method according to the second aspect of the embodiment of the present invention when executing the program.
According to the data transmission method, the node and the terminal provided by the embodiment of the invention, in the first aspect, the first node sends the working frequency point information of the service cell to the second node; the second node receives the working frequency point information of the service cell sent by the first node; and configuring measurement interval information for the terminal. By adopting the technical scheme of the embodiment of the invention, the first node serving as the SN informs the second node serving as the MN of the working frequency point of the service cell (such as the auxiliary cell), thereby realizing reasonable configuration of the measurement interval by the second node, avoiding frequent data interaction caused by poor configuration of the measurement interval, and saving signaling overhead and network resources to a certain extent.
In a second aspect, a terminal receives configuration measurement information sent by a third node, where the measurement information includes a measurement frequency point and a measurement interval; the terminal sends third indication information to the third node; the third indication information is used for indicating that the measurement interval is not required to be configured when the terminal measures the measurement frequency point; and the third indication information is sent after the terminal determines that the measurement frequency point is the working frequency point of the auxiliary cell corresponding to the fourth node. By adopting the technical scheme of the embodiment of the invention, the node corresponding to the measurement interval can normally schedule the data transmission of the terminal through the terminal feedback mechanism, namely, the terminal feedback is unnecessary to feed back the current measurement interval, so that the reasonable configuration of the measurement interval is realized.
Drawings
Fig. 1a and fig. 1b are schematic diagrams of an application scenario of a data transmission method according to an embodiment of the present invention;
fig. 2 is a flowchart of a data transmission method according to an embodiment of the invention;
fig. 3 is a second flow chart of a data transmission method according to an embodiment of the invention;
fig. 4 is a flowchart illustrating a data transmission method according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a first node according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a second node according to an embodiment of the present invention;
fig. 7 is a schematic diagram of a composition structure of a terminal according to an embodiment of the present invention;
fig. 8 is a schematic diagram of a communication device according to an embodiment of the present invention.
Detailed Description
Before describing the technical solution of the embodiment of the present invention in detail, a simple description is first given of a configuration scheme of a measurement interval (gap) of a dual connectivity scenario.
The data transmission scheme of the embodiment of the invention is applied to DC scenes and comprises E-UTRA and NR double connection (EN-DC, E-UTRA-NR Dual Connectivity), next-generation E-UTRA and NR double connection (NG-EN DC, NG-RAN E-UTRA-NR Dual Connectivity), NR and E-UTRA double connection (NE-DC, NR-E-UTRA Dual Connectivity) and NR double connection (NR-DC, NR Dual Connectivity). Wherein E-UTRA represents evolved universal radio access (Evolved Universal Terrestrial Radio Access), representing a long term evolution (LTE, long Term Evolution) system or a 4G system; NR represents a New Radio Access (New Radio Access), representing either an NR system or a 5G system.
Fig. 1a and fig. 1b are schematic diagrams of an application scenario of a data transmission method according to an embodiment of the present invention; fig. 1a and fig. 1B are specific to EN-DC scenarios, in which a User Equipment (UE) is connected to an Evolved Node B (eNB) of an LTE system and a base station (gNB) of an NR system, respectively; the difference is whether the user plane of the gNB is connected to an evolved packet (EPC, evolved Packet Core) network. For the EN-DC scenario shown in fig. 1a, the user plane splitting is performed by the eNB only, to which the user plane of the gNB is connected; for the EN-DC scenario shown in fig. 1b, the gNB is directly connected to the EPC network, traffic splitting is performed by the EPC network. In this scenario, the LTE eNB serves as a Master Node (MN), and the gNB serves as a Secondary Node (SN).
For NG-EN DC scenario, NE-DC scenario and NR-DC scenario, reference may be made to existing dual connectivity connection schemes.
It can be appreciated that the applicable scenarios of the embodiments of the present invention include a first scenario and a second scenario; the first scene is a scene based on a 5G core network, wherein the scene is connected by MN and SN, control surface connection and user surface connection exist between the MN and the 5G core network, and only user surface connection exists between the SN and the 5G core network. The gNB may act as a MN and the gNB or eNB may act as an SN node. The second scenario is an EPC-based scenario of MN and SN connections. There is a control plane connection and a user plane connection between the MN and the EPC core network, and there is a user plane connection between the SN and the EPC core network. The eNB may act as a MN, and both the eNB and the gNB may act as SNs.
The measurement interval (gap) configuration modes for the above scenario include a measurement interval configuration mode according to UE, i.e. configuration of measurement intervals for different UEs, denoted as per UE measurement interval, and a measurement interval configuration mode according to spectrum Range (FR), i.e. different RF configurable measurement intervals for the same UE, denoted as per FR measurement interval.
For the interval configuration of EN-DC and NG-EN DC scenarios, several cases are included:
For a UE supporting only the per UE measurement interval and not supporting the per FR measurement interval, configuring an interval type (gap type) and an interval pattern (gap pattern) by the MN, and notifying the UE; the SN needs to report the frequency point information of FR1 and FR2 measured by the configuration UE to the MN so that the MN configures a proper gap pattern;
for the UE supporting the per FR measurement interval, the MN decides whether the gap pattern configured by the MN is the per UE measurement interval or the per FR measurement interval, namely, the MN selects the interval configuration mode of the UE;
if the MN decides to configure the Per FR measurement interval, the MN is responsible for configuring the measurement interval corresponding to FR1 (e.g. below 6 GHz) and informing the UE whether the measurement interval corresponds to FR1 in the Per FR measurement interval configuration mode or to the Per UE measurement interval configuration mode; the SN is responsible for configuring the measurement interval corresponding to FR2 (e.g., above 6 GHz) and informing the UE. For this reason, the SN reports the FR1 frequency point information to be measured to the MN, and the MN sends the FR2 frequency point information to be measured to the SN;
if the MN decides to configure the per UE measurement interval, configuring the measurement interval corresponding to the UE by the MN (namely LTE eNB) and informing the UE that the measurement interval corresponds to the per UE measurement interval configuration mode; the SN needs to report the FR1 and FR2 frequency point information to be measured to the MN, so that the MN configures an appropriate gap pattern for the UE.
For interval configuration of NE-DC scene, regardless of per UE measurement interval or per FR measurement interval configuration mode, configuring gap type and gap pattern by MN; the SN only needs to tell if the MN's own measurement requires a measurement interval.
For interval configuration of NR-DC scene, regardless of per UE measurement interval or per FR measurement interval configuration mode, the MN configures the gap type and the gap pattern; the SN needs to report the FR1 and FR2 frequency point information to be measured to the MN, so that the MN configures an appropriate gap pattern for the UE.
In summary, the per UE measurement interval is always configured by the MN, and the SN informs the MN of the frequency point information that itself needs to measure; the configuration mode of the per FR measurement interval is that the configuration of the FR2 measurement interval is configured by SN only in the EN-DC scene, and the other scenes are configured by MN.
Based on the above description, regardless of the per UE measurement interval or the per FR measurement interval configuration scheme, the MN or SN only needs to inform the node configuring the corresponding gap pattern of the frequency point information to be measured; even in the NE-DC scenario, SN only needs to inform MN that inter-frequency measurement is needed or that measurement interval is needed. In practice, the configuration of the gap pattern is also related to the operating frequency point of the MN or SN, including the frequency point information of the primary cell (Pcell) and the secondary cell (Scell).
For example, for measurement interval configuration of per UE in NR-DC scenario, when MN needs to measure a certain inter-frequency point f1, since there is no f1 in the working frequency point of MN, MN considers that measurement interval configuration of UE is needed to be measured; in practice, a certain Scell of SN works on the frequency point f1, and the UE does not need to configure a measurement interval when measuring the frequency point f 1. If the MN can know the working frequency point of the Scell related to the SN, the configuration of the measurement interval can be more accurately performed, and meanwhile, the different frequency measurement capability of the terminal is reasonably utilized. At present, the SN only transmits to the MN the frequency range of the serving cell, and no specific operating frequency is available. Therefore, the MN cannot configure a reasonable measurement interval, and there is a high probability that the MN would configure the measurement interval without configuring the measurement interval.
The following embodiments of the present invention are presented based on the above application scenario and practical problems.
The invention will be described in further detail with reference to the accompanying drawings and specific examples.
The embodiment of the invention provides a data transmission method. Fig. 2 is a flowchart of a data transmission method according to an embodiment of the invention; as shown in fig. 2, the method includes:
step 201: the first node sends the working frequency point information of the service cell to the second node.
As an implementation manner, the first node is an auxiliary node, and the second node is a main node; the first node and the second node are connected with a terminal; the first node and the second node are applicable to the various dual connectivity scenarios, and as an example, if in the EN-DC scenario, the first node may be a gNB, and the second node may be an eNB; in other dual connectivity scenarios, the examples of the first node and the second node may refer to the foregoing, and will not be described herein.
As another embodiment, the first node is a Distribution Unit (DU); the second node is a Central Unit (CU).
In this embodiment, in an alternative embodiment of the present invention, the first node sends the operating frequency point information of the serving cell to the second node in a specific process flow. As one implementation mode, a first node sends working frequency point information of a service cell to a second node in the process of establishing an Xn interface with the second node; as another embodiment, the first node sends the operating frequency point information of the serving cell to the second node in an Xn interface update procedure with the second node. In an implementation manner, the first node may carry the operating frequency point information of the serving cell in a CG-Config message.
In another optional embodiment of the present invention, the first node may also send the operating frequency point information of the serving cell through specific information.
The service cell operating frequency point information may be specifically the operating frequency point of the secondary cell (Scell), so that the second node obtains the operating frequency point of the secondary cell (Scell) notified by the first node, which can better configure the measurement interval.
In other embodiments, in the Xn interface establishment and update process, the first node and the second node also interact with the working frequency point of each primary cell, the measured neighbor frequency point information, and measurement related information such as corresponding SubCarrier Spacing (SCS), synchronization signal block measurement duration configuration (ssb-measurementtiming configuration), and the like.
The specific protocol code may be as follows:
in an optional embodiment of the present invention, the sending, by the first node, information of an operating frequency point of a serving cell to the second node includes: the first node obtains first indication information sent by the second node; the first indication information is characterized in that the first indication information is used for configuring different-frequency measurement for the terminal or configuring measurement intervals for the terminal; and the first node sends the working frequency point information of the service cell to the second node based on the first indication information.
Optionally, the first node obtains first indication information sent by the second node, including: the first node obtains the first indication information through a specific indication bit in a first specific configuration message.
In this embodiment, for the purpose of generating signaling overhead, the first node only sends the working frequency point of the serving cell to the second node when necessary, for example, after the first node receives the first indication information sent by the second node and used for configuring different frequency measurement for the terminal or configuring measurement interval for the terminal, the first node sends the working frequency point of the serving cell to the second node. The first indication information may be carried in a CG-configmnfo message, that is, the CG-configmnfo message carries first indication information for configuring different frequency measurement for the terminal or for configuring a measurement interval for the terminal. As an example, the first indication information may be carried by 1 bit of indication information in a CG-configmfo message. Correspondingly, after receiving the first indication information, the first node sends the working frequency point information of the service cell to the second node.
In an alternative embodiment of the invention, the method further comprises: the first node sends second indication information to the second node, where the second indication information is used to indicate whether the BWP of the serving cell configured by the first node for the terminal is configured with SSB.
In this embodiment, since there may be no SSB on the secondary cell (Scell) configured by the first node for the terminal, the terminal needs to measure an interval or measurement interruption even when performing the same-frequency measurement, so the first node needs to send terminal second indication information to the second node to inform whether the BWP of the serving cell configured by the first node for the terminal is configured with the SSB, so that the second node configures a measurement interval for the terminal.
The specific protocol code may be as follows:
wherein, the "SSBinBWP" field indicates whether the BWP of the serving cell is configured with SSB; the value "BOOLEAN" of this field is "true" or "False" indicating that the BWP of the serving cell is configured with SSB or that the BWP of the serving cell is not configured with SSB.
By adopting the technical scheme of the embodiment of the invention, the first node serving as the SN informs the second node serving as the MN of the working frequency point of the service cell (such as the auxiliary cell), thereby realizing reasonable configuration of the measurement interval by the second node, avoiding frequent data interaction caused by poor configuration of the measurement interval, and saving signaling overhead and network resources to a certain extent.
The embodiment of the invention also provides a data transmission method. Fig. 3 is a second flow chart of a data transmission method according to an embodiment of the invention; as shown in fig. 3, the method includes:
Step 301: the second node receives the working frequency point information of the service cell sent by the first node;
step 302: and the second node configures measurement interval information for the terminal.
As an implementation manner, the first node is an auxiliary node, and the second node is a main node; the first node and the second node are connected with a terminal; the first node and the second node are applicable to the various dual connectivity scenarios, and as an example, if in the EN-DC scenario, the first node may be a gNB, and the second node may be an eNB; in other dual connectivity scenarios, the examples of the first node and the second node may refer to the foregoing, and will not be described herein.
As another embodiment, the first node is a DU; the second node is a CU.
In this embodiment, the configuring, by the second node, measurement interval information for the terminal includes: and the second node configures measurement interval information for the terminal based on the working frequency point information of the serving cell of the first node.
In this embodiment, in an optional embodiment of the present invention, the second node receives, in a specific process flow, information of a working frequency point of a serving cell sent by the first node. As one implementation mode, the second node receives the working frequency point information of the service cell sent by the first node in the process of establishing an Xn interface with the first node; as another implementation manner, the second node receives the working frequency point information of the serving cell sent by the first node in the process of updating the Xn interface between the second node and the first node. In one embodiment, the second node may obtain the operating frequency point information of the serving cell carried in the CG-Config message by receiving the message.
In another optional embodiment of the present invention, the second node may also receive, through specific information, information about a working frequency point of the serving cell sent by the first node.
The service cell operating frequency point information may be specifically the operating frequency point of the secondary cell (Scell), so that the second node obtains the operating frequency point of the secondary cell (Scell) notified by the first node, which can better configure the measurement interval.
In other embodiments, in the Xn interface establishment and update process, the first node and the second node also interact with the working frequency point of each primary cell, the measured neighbor frequency point information, and measurement related information such as corresponding SubCarrier Spacing (SCS), synchronization signal block measurement duration configuration (ssb-measurementtiming configuration), and the like.
In an optional embodiment of the present invention, before the second node receives the operating frequency point information of the serving cell sent by the first node, the method further includes: the second node transmits first indication information to the first node; the first indication information characterizes a measurement interval used for configuring different frequency measurement for the terminal or configuring the terminal.
Optionally, the second node sends first indication information to the first node, including: the second node transmits first indication information to the first node through a specific indication bit in a first specific configuration message.
In this embodiment, for the purposes of generating signaling overhead, the first node only sends the operating frequency point of the serving cell to the second node when necessary, i.e., the second node only instructs the second node to send the operating frequency point information of the serving cell when necessary. For example, before the second node configures inter-frequency measurements for the terminal or configures measurement intervals for the terminal, sending first indication information to the first node; after receiving the first indication information, the first node sends the working frequency point of the service cell to the second node. The first indication information may be carried in a CG-configmnfo message, that is, the CG-configmnfo message carries first indication information for configuring different frequency measurement for the terminal or for configuring a measurement interval for the terminal. As an example, the first indication information may be carried by 1 bit of indication information in a CG-configmfo message.
In an alternative embodiment of the invention, the method further comprises: the second node receives second indication information sent by the first node, where the second indication information is used to indicate whether the BWP of the serving cell configured by the first node for the terminal is configured with SSB.
In this embodiment, since there may be no SSB on the secondary cell (Scell) configured by the first node for the terminal, the terminal needs to measure an interval or measurement interruption even when performing the same-frequency measurement, so the first node needs to send terminal second indication information to the second node to inform whether the BWP of the serving cell configured by the first node for the terminal is configured with the SSB, so that the second node configures a measurement interval for the terminal.
In this embodiment, when the second indication information is used to indicate that the BWP of the serving cell configured by the first node for the terminal is not configured with the SSB, the second node configures measurement interval information or measurement interruption information for the terminal; when the second indication information is used for indicating that the first node configures SSB for the BWP of the serving cell configured by the terminal, the second node does not configure measurement interval information for the terminal.
By adopting the technical scheme of the embodiment of the invention, the first node serving as the SN informs the second node serving as the MN of the working frequency point of the service cell (such as the auxiliary cell), thereby realizing reasonable configuration of the measurement interval by the second node, avoiding frequent data interaction caused by poor configuration of the measurement interval, and saving signaling overhead and network resources to a certain extent.
The embodiment of the invention also provides a data transmission method. Fig. 4 is a flowchart illustrating a data transmission method according to an embodiment of the present invention; as shown in fig. 4, the method includes:
step 401: the terminal receives configuration measurement information sent by a third node, wherein the measurement information comprises measurement frequency points and measurement intervals;
step 402: the terminal sends third indication information to the third node; the third indication information is used for indicating that the measurement interval is not required to be configured when the terminal measures the measurement frequency point; and the third indication information is sent after the terminal determines that the measurement frequency point is the working frequency point of the auxiliary cell corresponding to the fourth node.
The third node is a master node; the fourth node is an auxiliary node; or the third node is an auxiliary node, and the fourth node is a main node; or, the third node is a CU, and the fourth node is a DU; alternatively, the third node is a DU and the fourth node is a CU.
In this embodiment, when the terminal finds that the MN or SN is not needed for the configured measurement interval, the terminal feeds back third indication information that does not need to configure the measurement interval to the MN or SN corresponding to the configured measurement interval. The MN or SN may normally schedule data transmission of the terminal.
By adopting the technical scheme of the embodiment of the invention, the node corresponding to the measurement interval can normally schedule the data transmission of the terminal through the terminal feedback mechanism, namely, the terminal feedback is unnecessary to feed back the current measurement interval, so that the reasonable configuration of the measurement interval is realized.
The embodiment of the invention also provides a first node. FIG. 5 is a schematic diagram of a first node according to an embodiment of the present invention; as shown in fig. 5, the first node includes a first communication unit 51, configured to send the operating frequency point information of the serving cell to the second node.
In an alternative embodiment of the present invention, the first communication unit 51 is configured to obtain first indication information sent by the second node; the first indication information is characterized in that the first indication information is used for configuring different-frequency measurement for the terminal or configuring measurement intervals for the terminal; and sending the working frequency point information of the service cell to the second node based on the first indication information.
In an alternative embodiment of the present invention, the first communication unit 51 is configured to obtain the first indication information through a specific indication bit in a first specific configuration message.
In an alternative embodiment of the present invention, the first communication unit 51 is further configured to send second indication information to the second node, where the second indication information is used to indicate whether the BWP of the serving cell configured by the first node for the terminal is configured with an SSB.
In an optional embodiment of the present invention, the first node is a secondary node, and the second node is a primary node; or, the first node is a distribution unit DU; the second node is a central unit CU.
In the embodiment of the present invention, the first communication unit 51 in the first node may be implemented by a central processing unit (CPU, central Processing Unit), a digital signal processor (DSP, digital Signal Processor), a micro control unit (MCU, microcontroller Unit) or a programmable gate array (FPGA, field-Programmable Gate Array) in the first node in combination with a communication module (including a basic communication suite, an operating system, a communication module, a standardized interface and protocol, etc.), and a transceiver antenna.
It should be noted that: in the data transmission processing of the first node provided in the above embodiment, only the division of each program module is used for illustration, and in practical application, the processing allocation may be performed by different program modules according to needs, that is, the internal structure of the first node is divided into different program modules, so as to complete all or part of the processing described above. In addition, the first node provided in the foregoing embodiment and the data transmission method embodiment belong to the same concept, and specific implementation processes of the first node and the data transmission method embodiment are detailed in the method embodiment, which is not described herein again.
The embodiment of the invention also provides a second node. FIG. 6 is a schematic diagram of a second node according to an embodiment of the present invention; as shown in fig. 6, the second node includes a second communication unit 61 and a configuration unit 62; wherein,,
the second communication unit 61 is configured to receive information of a working frequency point of a serving cell sent by the first node;
the configuration unit 62 is configured to configure measurement interval information for the terminal.
In an alternative embodiment of the present invention, the second communication unit 61 is configured to send first indication information to the first node; the first indication information characterizes a measurement interval used for configuring different frequency measurement for the terminal or configuring the terminal.
In an alternative embodiment of the present invention, the second communication unit 61 is configured to send the first indication information to the first node via a specific indication bit in the first specific configuration message.
In an optional embodiment of the present invention, the second communication unit 61 is further configured to receive second indication information sent by the first node, where the second indication information is used to indicate whether the BWP of the serving cell configured by the first node for the terminal is configured with an SSB.
In an optional embodiment of the present invention, the first node is a secondary node, and the second node is a primary node; or, the first node is a DU; the second node is a CU.
In the embodiment of the present invention, the second communication unit 61 and the configuration unit 62 in the second node may be implemented by combining a communication module (including a basic communication suite, an operating system, a communication module, a standardized interface, a protocol, etc.) and a transceiver antenna with CPU, DSP, MCU or FPGA in the second node in practical application.
It should be noted that: in the data transmission processing of the second node provided in the above embodiment, only the division of each program module is used for illustration, and in practical application, the processing allocation may be performed by different program modules according to needs, that is, the internal structure of the second node is divided into different program modules, so as to complete all or part of the processing described above. In addition, the second node provided in the foregoing embodiment and the data transmission method embodiment belong to the same concept, and specific implementation processes of the second node are detailed in the method embodiment and are not described herein again.
The embodiment of the invention also provides a terminal. Fig. 7 is a schematic diagram of a composition structure of a terminal according to an embodiment of the present invention; as shown in fig. 7, the terminal includes a third communication unit 71 and a determination unit 72; wherein,,
The third communication unit 71 is configured to receive configuration measurement information sent by a third node, where the measurement information includes a measurement frequency point and a measurement interval;
the determining unit 72 is configured to determine whether the measurement frequency point is an operating frequency point of a secondary cell corresponding to the fourth node;
the third communication unit 71 is further configured to send third indication information to the third node; the third indication information is used for indicating that the measurement interval is not required to be configured when the terminal measures the measurement frequency point; the third indication information is sent after the determining unit 72 determines that the measurement frequency point is the working frequency point of the secondary cell corresponding to the fourth node.
In an optional embodiment of the invention, the third node is a master node; the fourth node is an auxiliary node; or the third node is an auxiliary node, and the fourth node is a main node; or, the third node is a CU, and the fourth node is a DU; alternatively, the third node is a DU and the fourth node is a CU.
In the embodiment of the present invention, the determining unit 72 in the terminal may be implemented by CPU, DSP, MCU or FPGA in the terminal in practical application; the third communication unit 71 in the terminal may be implemented in practical application by a communication module (including a basic communication suite, an operating system, a communication module, a standardized interface, a standardized protocol, etc.) and a transceiver antenna.
It should be noted that: in the data transmission processing of the terminal provided in the above embodiment, only the division of each program module is used as an example, and in practical application, the processing allocation may be performed by different program modules according to needs, that is, the internal structure of the terminal is divided into different program modules, so as to complete all or part of the processing described above. In addition, the terminal and the data transmission method provided in the foregoing embodiments belong to the same concept, and specific implementation processes of the terminal and the data transmission method are detailed in the method embodiments and are not described herein again.
The embodiment of the invention also provides communication equipment. Fig. 8 is a schematic diagram of a composition structure of a communication device according to an embodiment of the present invention; as shown in fig. 8, the communication device includes a memory 82, a processor 81, and a computer program stored on the memory 82 and executable on the processor 81.
Optionally, the communication device may specifically be a first node or a second node in the embodiment of the present invention, where the communication device may implement a corresponding flow implemented by the first node or the second node in each method in the embodiment of the present invention, that is, when the processor executes the program, implement a step of the data transmission method applied to the first node or the second node in the embodiment of the present invention.
Optionally, the communication device may specifically be a terminal according to the embodiment of the present invention, where the terminal may implement a corresponding flow implemented by the terminal in each method according to the embodiment of the present invention, that is, the steps of the data transmission method applied to the terminal according to the embodiment of the present invention are implemented when the processor executes the program.
It will be appreciated that the communication device also includes a communication interface 83. The various components in the communication device are coupled together by a bus system 84. It is understood that the bus system 84 is used to enable connected communications between these components. The bus system 84 includes a power bus, a control bus, and a status signal bus in addition to the data bus. But for clarity of illustration the various buses are labeled as bus system 84 in fig. 8.
It is to be appreciated that the memory 82 can be either volatile memory or nonvolatile memory, and can include both volatile and nonvolatile memory. Wherein the nonvolatile Memory may be Read Only Memory (ROM), programmable Read Only Memory (PROM, programmable Read-Only Memory), erasable programmable Read Only Memory (EPROM, erasable Programmable Read-Only Memory), electrically erasable programmable Read Only Memory (EEPROM, electrically Erasable Programmable Read-Only Memory), magnetic random access Memory (FRAM, ferromagnetic random access Memory), flash Memory (Flash Memory), magnetic surface Memory, optical disk, or compact disk Read Only Memory (CD-ROM, compact Disc Read-Only Memory); the magnetic surface memory may be a disk memory or a tape memory. The volatile memory may be random access memory (RAM, random Access Memory), which acts as external cache memory. By way of example, and not limitation, many forms of RAM are available, such as static random access memory (SRAM, static Random Access Memory), synchronous static random access memory (SSRAM, synchronous Static Random Access Memory), dynamic random access memory (DRAM, dynamic Random Access Memory), synchronous dynamic random access memory (SDRAM, synchronous Dynamic Random Access Memory), double data rate synchronous dynamic random access memory (ddr SDRAM, double Data Rate Synchronous Dynamic Random Access Memory), enhanced synchronous dynamic random access memory (ESDRAM, enhanced Synchronous Dynamic Random Access Memory), synchronous link dynamic random access memory (SLDRAM, syncLink Dynamic Random Access Memory), direct memory bus random access memory (DRRAM, direct Rambus Random Access Memory). The memory 82 described in embodiments of the present invention is intended to comprise, without being limited to, these and any other suitable types of memory.
The method disclosed in the above embodiment of the present invention may be applied to the processor 81 or implemented by the processor 81. The processor 81 may be an integrated circuit chip with signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware in the processor 81 or by instructions in the form of software. The processor 81 may be a general purpose processor, a digital signal processor (DSP, digital Signal Processor), or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, or the like. Processor 81 may implement or perform the methods, steps and logic blocks disclosed in embodiments of the present invention. The general purpose processor may be a microprocessor or any conventional processor or the like. The steps of the method disclosed in the embodiment of the invention can be directly embodied in the hardware of the decoding processor or can be implemented by combining hardware and software modules in the decoding processor. The software modules may be located in a storage medium in the memory 82 and the processor 81 reads information in the memory 82 to perform the steps of the method described above in connection with its hardware.
In an exemplary embodiment, the communication device can be implemented by one or more application specific integrated circuits (ASIC, application Specific Integrated Circuit), DSPs, programmable logic devices (PLD, programmable Logic Device), complex programmable logic devices (CPLD, complex Programmable Logic Device), field programmable gate arrays (FPGA, field-Programmable Gate Array), general purpose processors, controllers, microcontrollers (MCU, micro Controller Unit), microprocessors (Microprocessor), or other electronic components for performing the aforementioned methods.
The embodiment of the application also provides a computer readable storage medium, on which a computer program is stored, which when being executed by a processor, implements the steps of the data transmission method applied to the first node, the second node or the terminal according to the embodiment of the application.
In the several embodiments provided by the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above described device embodiments are only illustrative, e.g. the division of the units is only one logical function division, and there may be other divisions in practice, such as: multiple units or components may be combined or may be integrated into another system, or some features may be omitted, or not performed. In addition, the various components shown or discussed may be coupled or directly coupled or communicatively coupled to each other via some interface, whether indirectly coupled or communicatively coupled to devices or units, whether electrically, mechanically, or otherwise.
The units described as separate units may or may not be physically separate, and units displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units; some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in each embodiment of the present invention may be integrated in one processing unit, or each unit may be separately used as one unit, or two or more units may be integrated in one unit; the integrated units may be implemented in hardware or in hardware plus software functional units.
Those of ordinary skill in the art will appreciate that: all or part of the steps for implementing the above method embodiments may be implemented by hardware associated with program instructions, where the foregoing program may be stored in a computer readable storage medium, and when executed, the program performs steps including the above method embodiments; and the aforementioned storage medium includes: a removable storage device, ROM, RAM, magnetic or optical disk, or other medium capable of storing program code.
Alternatively, the above-described integrated units of the present invention may be stored in a computer-readable storage medium if implemented in the form of software functional modules and sold or used as separate products. Based on such understanding, the technical solutions of the embodiments of the present invention may be embodied in essence or a part contributing to the prior art in the form of a software product stored in a storage medium, including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the methods described in the embodiments of the present invention. And the aforementioned storage medium includes: a removable storage device, ROM, RAM, magnetic or optical disk, or other medium capable of storing program code.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (22)
1. A method of data transmission, the method comprising:
the first node sends the working frequency point information of the service cell to the second node;
the first node is an auxiliary node, and the second node is a main node; or,
the first node is a distribution unit DU; the second node is a central unit CU.
2. The method of claim 1, wherein the first node sends the operating frequency point information of the serving cell to the second node, comprising:
the first node obtains first indication information sent by the second node; the first indication information is characterized in that the first indication information is used for configuring different-frequency measurement for the terminal or configuring measurement intervals for the terminal;
and the first node sends the working frequency point information of the service cell to the second node based on the first indication information.
3. The method of claim 2, wherein the first node obtaining the first indication information sent by the second node comprises:
the first node obtains the first indication information through a specific indication bit in a first specific configuration message.
4. A method according to any one of claims 1 to 3, further comprising:
The first node sends second indication information to the second node, where the second indication information is used to indicate whether the bandwidth part BWP of the serving cell configured by the first node for the terminal is configured with a synchronization signal block SSB.
5. The method according to claim 1, wherein the method further comprises:
the first node sends measurement information to a terminal, wherein the measurement information comprises a measurement frequency point and a measurement interval;
the first node receives third indication information sent by the terminal; the third indication information is used for indicating that the measurement interval is not required to be configured when the terminal measures the measurement frequency point; and the third indication information is sent after the terminal determines that the measurement frequency point is the working frequency point of the auxiliary cell corresponding to the first node.
6. A method of data transmission, the method comprising:
the second node receives the working frequency point information of the service cell sent by the first node;
the second node configures measurement interval information for the terminal;
the first node is an auxiliary node, and the second node is a main node; or,
the first node is DU; the second node is a CU.
7. The method of claim 6, wherein before the second node receives the operating frequency point information of the serving cell sent by the first node, the method further comprises:
the second node transmits first indication information to the first node; the first indication information characterizes a measurement interval used for configuring different frequency measurement for the terminal or configuring the terminal.
8. The method of claim 7, wherein the second node transmits first indication information to the first node, comprising:
the second node transmits first indication information to the first node through a specific indication bit in a first specific configuration message.
9. The method according to any one of claims 6 to 8, further comprising:
the second node receives second indication information sent by the first node, where the second indication information is used to indicate whether the BWP of the serving cell configured by the first node for the terminal is configured with SSB.
10. The method of claim 6, wherein the method further comprises:
the second node sends measurement information to the terminal, wherein the measurement information comprises a measurement frequency point and a measurement interval;
The second node receives fourth indication information sent by the terminal; the fourth indication information is used for indicating that the measurement interval is not required to be configured when the terminal measures the measurement frequency point; and the fourth indication information is sent after the terminal determines that the measurement frequency point is the working frequency point of the auxiliary cell corresponding to the first node.
11. A first node, which is characterized in that the first node comprises a first communication unit, a second communication unit and a first communication unit, wherein the first communication unit is used for sending the working frequency point information of a service cell to a second node;
the first node is an auxiliary node, and the second node is a main node; or,
the first node is DU; the second node is a CU.
12. The node according to claim 11, wherein the first communication unit is configured to obtain first indication information sent by the second node; the first indication information is characterized in that the first indication information is used for configuring different-frequency measurement for the terminal or configuring measurement intervals for the terminal; and sending the working frequency point information of the service cell to the second node based on the first indication information.
13. The node of claim 12, wherein the first communication unit is configured to obtain the first indication information through a specific indication bit in a first specific configuration message.
14. The node according to any of the claims 11 to 13, characterized in that the first communication unit is further configured to send second indication information to the second node, the second indication information being configured to indicate whether the bandwidth part BWP of the serving cell configured by the first node for the terminal is configured with SSB.
15. The node of claim 11, wherein the first communication unit is further configured to send measurement information to a terminal, the measurement information including a measurement frequency point and a measurement interval; receiving third indication information sent by the terminal; the third indication information is used for indicating that the measurement interval is not required to be configured when the terminal measures the measurement frequency point; and the third indication information is sent after the terminal determines that the measurement frequency point is the working frequency point of the auxiliary cell corresponding to the first node.
16. A second node, wherein the second node comprises a second communication unit and a configuration unit; wherein,,
the second communication unit is used for receiving the working frequency point information of the service cell sent by the first node;
the configuration unit is used for configuring measurement interval information for the terminal;
The first node is an auxiliary node, and the second node is a main node; or,
the first node is DU; the second node is a CU.
17. The node according to claim 16, wherein the second communication unit is configured to send a first indication information to the first node; the first indication information characterizes a measurement interval used for configuring different frequency measurement for the terminal or configuring the terminal.
18. The node of claim 17, wherein the second communication unit is configured to send the first indication information to the first node via a specific indication bit in a first specific configuration message.
19. The node according to any of claims 16 to 18, wherein the second communication unit is further configured to receive second indication information sent by the first node, where the second indication information is used to indicate whether the BWP of the serving cell configured by the first node for the terminal is configured with SSB.
20. The node according to claim 16, wherein the second communication unit is further configured to send measurement information to the terminal, the measurement information including a measurement frequency point and a measurement interval; receiving fourth indication information sent by the terminal; the fourth indication information is used for indicating that the measurement interval is not required to be configured when the terminal measures the measurement frequency point; and the fourth indication information is sent after the terminal determines that the measurement frequency point is the working frequency point of the auxiliary cell corresponding to the first node.
21. A computer readable storage medium having stored thereon a computer program, characterized in that the program when executed by a processor realizes the steps of the method according to any of claims 1 to 5; alternatively, the program, when executed by a processor, implements the steps of the method of any of claims 6 to 10.
22. A node comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the steps of the method of any of claims 1 to 5 when the program is executed; alternatively, the processor, when executing the program, implements the steps of the method of any one of claims 6 to 10.
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