CN111867068B - BWP configuration method, device and computer readable storage medium - Google Patents
BWP configuration method, device and computer readable storage medium Download PDFInfo
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- CN111867068B CN111867068B CN201910364276.0A CN201910364276A CN111867068B CN 111867068 B CN111867068 B CN 111867068B CN 201910364276 A CN201910364276 A CN 201910364276A CN 111867068 B CN111867068 B CN 111867068B
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- 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
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Abstract
The embodiment of the invention provides a BWP configuration method, a BWP configuration device and a computer readable storage medium, wherein the BWP configuration method is applied to terminal equipment and comprises the following steps: determining an activated BWP of the first network node; monitoring whether the active BWP of the second network node is the same as the active BWP of the first network node; and executing corresponding operation based on the monitoring result.
Description
Technical Field
The present invention relates to the field of mobile communications technologies, and in particular, to a method and apparatus for configuring a bandwidth Part (BWP), and a computer readable storage medium.
Background
There are three existing BWP configuration modes: configuration by Radio Resource Control (RRC), configuration by rrc+downlink control information (DCI), and configuration by rrc+dci+timer timeout backoff. For non-ideal backhaul Multi-TRP scenarios, where two transmission reception points TRP (e.g., base stations, collectively referred to herein as network nodes) independently perform PDSCH data transmission, it is possible that all (full) PDSCH, or partially overlapping (partially overlapping) PDSCH, or non-overlapping (non-overlapping) PDSCH may occur.
In order to ensure that the UE can still correctly receive PDSCH when full PDSCH or partially-extended PDSCH collide, how to ensure that the active BWP of two TRP configurations is always the same, and how to handle the UE if the active BWP of two TRP configurations is different, is a problem to be solved.
Disclosure of Invention
In view of the foregoing, it is desirable to provide a BWP configuration method, apparatus and computer readable storage medium, so as to at least solve the above-mentioned problems.
In order to achieve the above object, the technical solution of the embodiment of the present invention is as follows:
the embodiment of the invention provides a configuration method of a bandwidth part BWP, which is applied to terminal equipment and comprises the following steps:
determining an activated BWP of the first network node;
monitoring whether the active BWP of the second network node is the same as the active BWP of the first network node;
and executing corresponding operation based on the monitoring result.
Wherein said determining an active BWP of the first network node comprises:
and determining the activated BWP according to the bandwidth part indication information in the Downlink Control Information (DCI) of the first network node and/or determining the activated BWP according to the Radio Resource Control (RRC) information of the first network node.
Wherein the monitoring whether the activated BWP of the second network node is the same as the activated BWP of the first network node, and performing a corresponding operation based on the monitoring result, includes:
and continuing the coordinated multipoint transmission between the first network node and the second network node when the activated BWP of the second network node is monitored to be the same as the activated BWP of the first network node.
Wherein the monitored active BWP of the second network node is the same as the active BWP of the first network node, comprising one or more of:
monitoring the active BWP of the first network node for the DCI sent by the second network node, wherein the active BWP indicated by the bandwidth part indication information in the DCI is the same as the active BWP of the first network node;
when the RRC-configured BWP is employed, the BWP monitoring the RRC configuration of the second network node is the same as the RRC-configured BWP of the first network node;
monitoring that the DCI-activated BWP of the second network node is the same as the BWP of the first network node adopting the RRC configuration;
the BWP that the second network node adopts the RRC configuration is monitored to be the same as the DCI-activated BWP of the first network node.
Wherein the monitoring whether the activated BWP of the second network node is the same as the activated BWP of the first network node, and performing a corresponding operation based on the monitoring result, includes:
monitoring that the active BWP of the second network node is different from the active BWP of the first network node;
stopping monitoring the DCI sent by the second network node, and only carrying out single-point transmission between the terminal equipment and the first network node.
Wherein the monitored active BWP of the second network node is different from the active BWP of the first network node, including one or more of:
monitoring the active BWP of the first network node for the DCI sent by the second network node, wherein the active BWP indicated by the bandwidth part indication information in the DCI is different from the active BWP of the first network node;
when the RRC-configured BWP is employed, monitoring that the RRC-configured BWP of the second network node is different from the RRC-configured BWP of the first network node;
monitoring that the DCI-activated BWP of the second network node is different from the BWP of the first network node in the RRC configuration;
the BWP of the second network node in the RRC configuration is monitored to be different from the DCI-activated BWP of the first network node.
Wherein the monitoring whether the activated BWP of the second network node is the same as the activated BWP of the first network node, and performing a corresponding operation based on the monitoring result, includes:
determining that the DCI update activated BWP sent by the second network node cannot be monitored within a preset time;
stopping monitoring the DCI sent by the second network node, and only carrying out single-point transmission between the terminal equipment and the first network node.
The embodiment of the invention also provides a configuration method of the bandwidth part BWP, which is applied to the network node and comprises the following steps:
determining BWP related radio resource control, RRC, parameters of the network node;
the BWP related RRC parameter of the network node is indicated to the second network node.
Wherein said indicating the BWP related RRC parameter of the network node to the second network node comprises:
the BWP related RRC parameters of the network node are indicated to the second network node over the Xn interface.
The embodiment of the invention also provides a configuration method of the bandwidth part BWP, which is applied to the network node and comprises the following steps:
configuring and indicating BWP related parameters; wherein, the liquid crystal display device comprises a liquid crystal display device,
at least one of the following BWP related parameters of the network node configuration is the same as the corresponding parameter of the second network node configuration:
the first active downstream bandwidth part first actiondownlinkbwp;
the first active upstream bandwidth part first activeuplinkbwp;
default downlink bandwidth portion defaultDownlinkBWP;
default upstream bandwidth part defaultuplink bwp;
BWP collection.
Wherein only one BWP is configured in the BWP set.
The embodiment of the invention also provides a configuration device of the bandwidth part BWP, which is applied to the terminal equipment and comprises the following components:
a first determining module for determining an activated BWP of the first network node;
a monitoring module for monitoring whether the active BWP of the second network node is the same as the active BWP of the first network node;
and the processing module is used for executing corresponding operation based on the monitoring result.
The embodiment of the invention also provides a configuration device of the bandwidth part BWP, which is applied to the network node and comprises the following components:
a second determining module, configured to determine a BWP related radio resource control RRC parameter of the network node;
a first indication module, configured to indicate a BWP related RRC parameter of the network node to a second network node.
The embodiment of the invention also provides a configuration device of the bandwidth part BWP, which is applied to the network node and comprises the following components:
a configuration module for configuring BWP related parameters;
a second indication module, configured to indicate the BWP related parameter; wherein, the liquid crystal display device comprises a liquid crystal display device,
at least one of the following BWP related parameters configured by the configuration module is the same as the corresponding parameter configured by the second network node:
the first active downstream bandwidth part first actiondownlinkbwp;
the first active upstream bandwidth part first activeuplinkbwp;
default downlink bandwidth portion defaultDownlinkBWP;
default upstream bandwidth part defaultuplink bwp;
BWP collection.
The embodiment of the invention also provides a device for configuring the bandwidth part BWP, which comprises: a processor and a memory for storing a computer program capable of running on the processor,
wherein the processor is configured to execute the steps of the above method when running the computer program.
The embodiment of the invention also provides a computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the above method.
The embodiment of the invention provides a BWP configuration method, a BWP configuration device and a computer readable storage medium, wherein terminal equipment determines the activated BWP of a first network node; monitoring whether the active BWP of the second network node is the same as the active BWP of the first network node; and executing corresponding operation based on the monitoring result. The embodiment of the invention monitors whether the activated BWPs of at least two network nodes are the same or not, and executes corresponding operation based on different monitoring results, so that the problem that the UE can normally transmit data if the activated BWPs configured by the two network nodes are different in a Multi-TRP scene of non-ideal backhaul can be solved.
Drawings
Fig. 1 is a schematic flow chart of a BWP configuration method according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a BWP configuration method according to an embodiment of the present invention;
fig. 3 is a flow chart of a BWP configuration method according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a BWP configuration device according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a BWP configuration device according to a second embodiment of the present invention;
fig. 6 is a schematic diagram of a BWP configuration device according to an embodiment of the present invention;
fig. 7 is a flow chart of a BWP configuration method according to a second embodiment of the present invention.
Detailed Description
The invention is described below with reference to the drawings and examples.
It is known how BWP configuration comprises three forms, how to ensure that the active BWP of two TRP (network node, e.g. base station) configurations is always the same; if the active BWP of the two TRP configurations is different, the UE shall handle how: the preset negotiation among TRPs can be used for ensuring that the BWP related RRC configuration of 2 TRPs is the same; besides the RRC, the BWP activation mode also includes an RRC+DCI activation mode, and since the non-idealbackmechanism is arranged between the 2 TRPs, the BWP which cannot coordinate the DCI activation of the 2 TRPs in real time is always the same, so that the UE can still work normally when the active BWPs activated by the 2 TRPs are different.
Coordination between 2 TRPs makes the BWP set of 2 TRP configurations the same, but when the activated BWP in the DCI of 2 TRPs is different:
the embodiment of the invention provides a configuration method of a bandwidth part BWP, which is applied to terminal equipment, as shown in figure 1, and comprises the following steps:
step 101: determining an activated BWP of the first network node;
step 102: monitoring whether the active BWP of the second network node is the same as the active BWP of the first network node;
step 103: and executing corresponding operation based on the monitoring result.
Here, the first network node and the second network node are only used to refer to different network nodes, and no primary and secondary, sequential division exists; in addition, the network nodes in the embodiments of the present invention are not limited to two, and may include more than two multiple network nodes, so the second network node referred to herein is any other network node different from the first network node.
The embodiment of the invention monitors whether the activated BWPs of at least two network nodes are the same or not, and executes corresponding operation based on different monitoring results, so that the problem that the UE can normally transmit data if the activated BWPs configured by the two network nodes are different in a Multi-TRP scene of non-ideal backhaul can be solved.
In an embodiment of the present invention, the determining the active BWP of the first network node includes:
the active BWP is determined according to bandwidth part indication information (e.g. Bandwidth part indicator field) in the downlink control information DCI of the first network node and/or according to RRC information of the first network node.
In an embodiment of the present invention, the monitoring whether the activated BWP of the second network node is the same as the activated BWP of the first network node, and executing a corresponding operation based on the monitoring result includes:
and continuing the coordinated multipoint transmission between the first network node and the second network node when the activated BWP of the second network node is monitored to be the same as the activated BWP of the first network node.
In an embodiment of the present invention, the monitored active BWP of the second network node is the same as the active BWP of the first network node, including one or more of the following:
monitoring the active BWP of the first network node for the DCI sent by the second network node, wherein the active BWP indicated by the bandwidth part indication information in the DCI is the same as the active BWP of the first network node;
when the RRC-configured BWP is employed, the BWP monitoring the RRC configuration of the second network node is the same as the RRC-configured BWP of the first network node;
monitoring that the DCI-activated BWP of the second network node is the same as the BWP of the first network node adopting the RRC configuration;
the BWP that the second network node adopts the RRC configuration is monitored to be the same as the DCI-activated BWP of the first network node.
In one embodiment, the monitoring whether the activated BWP of the second network node is the same as the activated BWP of the first network node, and performing a corresponding operation based on the monitoring result includes:
monitoring that the active BWP of the second network node is different from the active BWP of the first network node;
stopping monitoring the DCI sent by the second network node, and only carrying out single-point transmission between the terminal equipment and the first network node.
In an embodiment of the present invention, the monitoring of the active BWP of the second network node is different from the active BWP of the first network node, including one or more of the following:
monitoring the active BWP of the first network node for the DCI sent by the second network node, wherein the active BWP indicated by the bandwidth part indication information in the DCI is different from the active BWP of the first network node;
when the RRC-configured BWP is employed, monitoring that the RRC-configured BWP of the second network node is different from the RRC-configured BWP of the first network node;
monitoring that the DCI-activated BWP of the second network node is different from the BWP of the first network node in the RRC configuration;
the BWP of the second network node in the RRC configuration is monitored to be different from the DCI-activated BWP of the first network node.
In one embodiment, the monitoring whether the activated BWP of the second network node is the same as the activated BWP of the first network node, and performing a corresponding operation based on the monitoring result includes:
determining that the DCI update activated BWP sent by the second network node cannot be monitored within a preset time;
stopping monitoring the DCI sent by the second network node, and only carrying out single-point transmission between the terminal equipment and the first network node.
The embodiment of the invention also provides a configuration method of the bandwidth part BWP, which is applied to the network node, as shown in fig. 2, and comprises the following steps:
step 201: determining BWP related radio resource control, RRC, parameters of the network node;
step 202: the BWP related RRC parameter of the network node is indicated to the second network node.
In order to ensure that the activated BWP of the two network nodes is the same, the embodiment of the invention carries out negotiation of the BWP related RRC parameters at the two network nodes, and also ensures the normal operation of the terminal device.
In an embodiment of the present invention, the indicating the BWP related RRC parameter of the network node to the second network node includes:
the BWP related RRC parameters of the network node are indicated to the second network node over the Xn interface.
The embodiment of the invention also provides a configuration method of the bandwidth part BWP, which is applied to the network node, as shown in fig. 3, and comprises the following steps:
step 301: configuring BWP related parameters;
step 302: indicating BWP related parameters; wherein, the liquid crystal display device comprises a liquid crystal display device,
at least one of the following BWP related parameters of the network node configuration is the same as the corresponding parameter of the second network node configuration:
the first active downstream bandwidth part first actiondownlinkbwp;
the first active upstream bandwidth part first activeuplinkbwp;
default downlink bandwidth portion defaultDownlinkBWP;
default upstream bandwidth part defaultuplink bwp;
BWP collection.
The embodiment of the invention can ensure that the DCI is not required to perform BWP switching, or the DCI with 2 TRPs can only activate one BWP, the situation that the BWPs activated by 2 TRPs are different can not occur, and the normal operation of the terminal equipment can also be ensured.
In order to implement the above method embodiment, the embodiment of the present invention further provides a configuration device of a bandwidth portion BWP, where the device is applied to a terminal device, as shown in fig. 4, and includes:
a first determining module 401 for determining an activated BWP of the first network node;
a monitoring module 402, configured to monitor whether the activated BWP of the second network node is the same as the activated BWP of the first network node;
and the processing module 403 is configured to perform a corresponding operation based on the monitoring result.
In the embodiment of the present invention, the first determining module 401 determines the activated BWP of the first network node, including:
the active BWP is determined according to bandwidth part indication information (e.g. Bandwidth part indicator field) in the downlink control information DCI of the first network node and/or according to radio resource control RRC information of the first network node.
In one embodiment, the monitoring module 402 monitors whether the activated BWP of the second network node is the same as the activated BWP of the first network node, and the processing module 403 performs corresponding operations based on the monitoring result, including:
when the monitoring module 402 monitors that the active BWP of the second network node is the same as the active BWP of the first network node, the notification processing module 403 proceeds with the coordinated multi-point transmission between the first network node and the second network node.
In the embodiment of the present invention, the monitoring module 402 monitors that the activated BWP of the second network node is the same as the activated BWP of the first network node, including one or more of the following:
monitoring the active BWP of the first network node for the DCI sent by the second network node, wherein the active BWP indicated by the bandwidth part indication information in the DCI is the same as the active BWP of the first network node;
when the RRC-configured BWP is employed, the BWP monitoring the RRC configuration of the second network node is the same as the RRC-configured BWP of the first network node;
monitoring that the DCI-activated BWP of the second network node is the same as the BWP of the first network node adopting the RRC configuration;
the BWP that the second network node adopts the RRC configuration is monitored to be the same as the DCI-activated BWP of the first network node.
In one embodiment, the monitoring module 402 monitors whether the activated BWP of the second network node is the same as the activated BWP of the first network node, and the processing module 403 performs corresponding operations based on the monitoring result, including:
the monitoring module 402 is further configured to monitor that the activated BWP of the second network node is different from the activated BWP of the first network node and notify the processing module 403; in a corresponding manner,
the processing module 403 is further configured to stop monitoring DCI sent from the second network node, and perform only unicast between the terminal device and the first network node.
In an embodiment of the present invention, the monitoring module 402 monitors that the active BWP of the second network node is different from the active BWP of the first network node, including one or more of the following:
monitoring the active BWP of the first network node for the DCI sent by the second network node, wherein the active BWP indicated by the bandwidth part indication information in the DCI is different from the active BWP of the first network node;
when the RRC-configured BWP is employed, monitoring that the RRC-configured BWP of the second network node is different from the RRC-configured BWP of the first network node;
monitoring that the DCI-activated BWP of the second network node is different from the BWP of the first network node in the RRC configuration;
the BWP of the second network node in the RRC configuration is monitored to be different from the DCI-activated BWP of the first network node.
In one embodiment, the monitoring module 402 monitors whether the activated BWP of the second network node is the same as the activated BWP of the first network node, and the processing module 403 performs corresponding operations based on the monitoring result, including:
the monitoring module 402 is further configured to determine that the processing module 403 is notified when the BWP activated by the DCI update sent by the second network node cannot be monitored within a preset time; in a corresponding manner,
the processing module 403 is further configured to stop monitoring DCI sent from the second network node, and perform only unicast between the terminal device and the first network node.
The embodiment of the invention also provides a configuration device of the bandwidth part BWP, which is applied to the network node, as shown in fig. 5, and comprises:
a second determining module 501, configured to determine a BWP related radio resource control RRC parameter of the network node;
a first indication module 502 is configured to indicate the BWP related RRC parameter of the network node to a second network node.
In the embodiment of the present invention, the first indication module 502 indicates the BWP related RRC parameter of the network node to a second network node, including:
the BWP related RRC parameters of the network node are indicated to the second network node over the Xn interface.
In the embodiment of the present invention, the BWP related RRC parameters at least include:
a first active downstream BWP and a first active upstream BWP.
The embodiment of the invention also provides a configuration device of the bandwidth part BWP, which is applied to the network node, as shown in fig. 6, and comprises:
a configuration module 601, configured to configure BWP related parameters;
a second indication module 602, configured to indicate the BWP related parameter; wherein, the liquid crystal display device comprises a liquid crystal display device,
at least one of the following BWP related parameters configured by the configuration module is the same as the corresponding parameter configured by the second network node:
the first active downstream bandwidth part first actiondownlinkbwp;
the first active upstream bandwidth part first activeuplinkbwp;
default downlink bandwidth portion defaultDownlinkBWP;
default upstream bandwidth part defaultuplink bwp;
BWP collection.
In one embodiment, only one BWP is configured in the BWP set.
The embodiment of the invention also provides a device for configuring the bandwidth part BWP, which comprises: a processor and a memory for storing a computer program capable of running on the processor,
wherein the processor, when executing the computer program, performs:
determining an activated BWP of the first network node;
monitoring whether the active BWP of the second network node is the same as the active BWP of the first network node;
and executing corresponding operation based on the monitoring result.
The processor, when determining the active BWP of the first network node, is further configured to, when executing the computer program, perform:
and determining the activated BWP according to the bandwidth part indication information in the Downlink Control Information (DCI) of the first network node and/or determining the activated BWP according to the Radio Resource Control (RRC) information of the first network node.
The monitoring whether the activated BWP of the second network node is the same as the activated BWP of the first network node, and the processor is further configured to, when executing the computer program, perform:
and continuing the coordinated multipoint transmission between the first network node and the second network node when the activated BWP of the second network node is monitored to be the same as the activated BWP of the first network node.
The processor is further configured to perform one or more of the following when executing the computer program when the monitored active BWP of the second network node is the same as the active BWP of the first network node:
monitoring the active BWP of the first network node for the DCI sent by the second network node, wherein the active BWP indicated by the bandwidth part indication information in the DCI is the same as the active BWP of the first network node;
when the RRC-configured BWP is employed, the BWP monitoring the RRC configuration of the second network node is the same as the RRC-configured BWP of the first network node;
monitoring that the DCI-activated BWP of the second network node is the same as the BWP of the first network node adopting the RRC configuration;
the BWP that the second network node adopts the RRC configuration is monitored to be the same as the DCI-activated BWP of the first network node.
The monitoring whether the activated BWP of the second network node is the same as the activated BWP of the first network node, and the processor is further configured to, when executing the computer program, perform:
monitoring that the active BWP of the second network node is different from the active BWP of the first network node;
stopping monitoring the DCI sent by the second network node, and only carrying out single-point transmission between the terminal equipment and the first network node.
The processor is further configured to perform one or more of the following when executing the computer program when the monitored active BWP of the second network node is different from the active BWP of the first network node:
monitoring the active BWP of the first network node for the DCI sent by the second network node, wherein the active BWP indicated by the bandwidth part indication information in the DCI is different from the active BWP of the first network node;
when the RRC-configured BWP is employed, monitoring that the RRC-configured BWP of the second network node is different from the RRC-configured BWP of the first network node;
monitoring that the DCI-activated BWP of the second network node is different from the BWP of the first network node in the RRC configuration;
the BWP of the second network node in the RRC configuration is monitored to be different from the DCI-activated BWP of the first network node.
The monitoring whether the activated BWP of the second network node is the same as the activated BWP of the first network node, and the processor is further configured to, when executing the computer program, perform:
determining that the DCI update activated BWP sent by the second network node cannot be monitored within a preset time;
stopping monitoring the DCI sent by the second network node, and only carrying out single-point transmission between the terminal equipment and the first network node.
The embodiment of the invention also provides a device for configuring the bandwidth part BWP, which comprises: a processor and a memory for storing a computer program capable of running on the processor,
wherein the processor, when executing the computer program, performs:
determining BWP related radio resource control, RRC, parameters of the network node;
the BWP related RRC parameter of the network node is indicated to the second network node.
The processor is further configured to, when executing the computer program, perform:
the BWP related RRC parameters of the network node are indicated to the second network node over the Xn interface.
The embodiment of the invention also provides a device for configuring the bandwidth part BWP, which comprises: a processor and a memory for storing a computer program capable of running on the processor,
wherein the processor, when executing the computer program, performs:
configuring and indicating BWP related parameters; wherein, the liquid crystal display device comprises a liquid crystal display device,
at least one of the following BWP related parameters of the network node configuration is the same as the corresponding parameter of the second network node configuration:
the first active downstream bandwidth part first actiondownlinkbwp;
the first active upstream bandwidth part first activeuplinkbwp;
default downlink bandwidth portion defaultDownlinkBWP;
default upstream bandwidth part defaultuplink bwp;
BWP collection.
Only one BWP is configured in the BWP set.
It should be noted that: in the apparatus provided in the foregoing embodiment, only the division of the program modules is used as an example for performing BWP configuration, and in practical application, the process allocation may be performed by different program modules according to needs, that is, the internal structure of the device is divided into different program modules to complete all or part of the processes described above. In addition, the apparatus provided in the foregoing embodiments and the corresponding method embodiments belong to the same concept, and specific implementation processes of the apparatus and the corresponding method embodiments are detailed in the method embodiments, which are not described herein again.
In an exemplary embodiment, the present invention further provides a computer readable storage medium, which may be FRAM, ROM, PROM, EPROM, EEPROM, flash Memory, magnetic surface Memory, optical disk, or CD-ROM; but may be a variety of devices including one or any combination of the above-described memories, such as a mobile phone, computer, tablet device, personal digital assistant, or the like.
The embodiment of the present invention also provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, performs:
determining an activated BWP of the first network node;
monitoring whether the active BWP of the second network node is the same as the active BWP of the first network node;
and executing corresponding operation based on the monitoring result.
The computer program, when executed by the processor, further performs:
and determining the activated BWP according to the bandwidth part indication information in the Downlink Control Information (DCI) of the first network node and/or determining the activated BWP according to the Radio Resource Control (RRC) information of the first network node.
The monitoring whether the activated BWP of the second network node is the same as the activated BWP of the first network node, and when the computer program is executed by the processor, performing further:
and continuing the coordinated multipoint transmission between the first network node and the second network node when the activated BWP of the second network node is monitored to be the same as the activated BWP of the first network node.
The computer program, when executed by the processor, performs one or more of the following when the monitored active BWP of the second network node is the same as the active BWP of the first network node:
monitoring the active BWP of the first network node for the DCI sent by the second network node, wherein the active BWP indicated by the bandwidth part indication information in the DCI is the same as the active BWP of the first network node;
when the RRC-configured BWP is employed, the BWP monitoring the RRC configuration of the second network node is the same as the RRC-configured BWP of the first network node;
monitoring that the DCI-activated BWP of the second network node is the same as the BWP of the first network node adopting the RRC configuration;
the BWP that the second network node adopts the RRC configuration is monitored to be the same as the DCI-activated BWP of the first network node.
The monitoring whether the activated BWP of the second network node is the same as the activated BWP of the first network node, and when the computer program is executed by the processor, performing further:
monitoring that the active BWP of the second network node is different from the active BWP of the first network node;
stopping monitoring the DCI sent by the second network node, and only carrying out single-point transmission between the terminal equipment and the first network node.
The computer program, when executed by the processor, further performs one or more of the following when the monitored active BWP of the second network node is different from the active BWP of the first network node:
monitoring the active BWP of the first network node for the DCI sent by the second network node, wherein the active BWP indicated by the bandwidth part indication information in the DCI is different from the active BWP of the first network node;
when the RRC-configured BWP is employed, monitoring that the RRC-configured BWP of the second network node is different from the RRC-configured BWP of the first network node;
monitoring that the DCI-activated BWP of the second network node is different from the BWP of the first network node in the RRC configuration;
the BWP of the second network node in the RRC configuration is monitored to be different from the DCI-activated BWP of the first network node.
The monitoring whether the activated BWP of the second network node is the same as the activated BWP of the first network node, and when the computer program is executed by the processor, performing further:
determining that the DCI update activated BWP sent by the second network node cannot be monitored within a preset time;
stopping monitoring the DCI sent by the second network node, and only carrying out single-point transmission between the terminal equipment and the first network node.
The embodiment of the present invention also provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, performs:
determining BWP related radio resource control, RRC, parameters of the network node;
the BWP related RRC parameter of the network node is indicated to the second network node.
The computer program, when executed by the processor, further performs the steps of:
the BWP related RRC parameters of the network node are indicated to the second network node over the Xn interface.
The embodiment of the present invention also provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, performs:
configuring and indicating BWP related parameters; wherein, the liquid crystal display device comprises a liquid crystal display device,
at least one of the following BWP related parameters of the network node configuration is the same as the corresponding parameter of the second network node configuration:
the first active downstream bandwidth part first actiondownlinkbwp;
the first active upstream bandwidth part first activeuplinkbwp;
default downlink bandwidth portion defaultDownlinkBWP;
default upstream bandwidth part defaultuplink bwp;
BWP collection.
Wherein only one BWP is configured in the BWP set.
The invention is described below in connection with scene embodiments.
Example 1
This embodiment is applicable to the case of activating BWP only through RRC
In this case, non-idealbackhaul is between the TRP, but slow coordination can be performed between the TRP through an Xn interface, so that the RRC parameters related to BWP configured by the cooperative Multi-TRP are the same, and the method is as follows:
one TRP indicates BWP related RRC parameters of its own network node to another network node; the other network node may set the same BWP related RRC parameter based on the indication. Of course, the method of negotiation is not limited thereto.
For example: coordination between the 2 TRPs makes the first activated downlink BWP (firstActive DownlinkBWP) and the first activated uplink BWP (firstActiveUplinkBWP) parameters of the configuration the same, ensuring that the BWP operated by the UE is the same for the case where the UE has not received the DCI configuration or the UE does not support BWP handover.
Example two
This embodiment is applicable to the case where rrc+dci activates BWP.
When coordination between 2 TRPs is such that the BWP set of 2 TRP configurations is the same, but when activated BWP in DCI of 2 TRPs is different, as shown in fig. 7, the method includes:
step 701: the UE determines an activated BWP and temporarily performs data transmission with only a serving cell TRP on the activated BWP;
here, the UE may determine the activated BWP, that is, the BWP in which the UE operates, according to the Bandwidth part indicator field in the DCI of the serving cell TRP.
Meanwhile, the Serving cell TRP informs other TRPs of updating the activated BWP through the Xn interface.
Step 702: the UE continues to monitor DCI sent from other TRPs, and executes step 703 when it is determined that DCI sent from other TRPs is monitored; otherwise, go to step 705;
step 703: determining whether the activated BWP in the DCI issued by the other TRP is the same as the activated BWP indicated by the serving cell TRP, and if so, executing step 704; otherwise, go to step 705;
here, the UE determines whether the active BWP indicated by the Bandwidth part indicator field in the DCI issued by the other TRP is the same as the active BWP indicated by the serving cell TRP.
Step 704: the UE continues multi-TRP transmission, i.e., data transmission with 2 TRPs;
step 705: the UE does not continue monitoring the DCI sent by the TRP, and returns to single-TRP transmission.
In this embodiment, for the case where BWP switching is not allowed:
the BWP set in RRC that can configure 2 TRPs configures only 1 BWP so that no DCI is required for BWP handover or the DCI of 2 TRPs can activate only one BWP, and no case where 2 TRP-activated BWP is different will occur.
Example III
This embodiment applies to the case of rrc+dci+timer timeout backoff:
when the UE exceeds the timer limit of the serving cell, the UE may be returned to the single-TRP operation mode by default BWP configured by the serving cell RRC and returned to default BWP configured by the serving cell RRC, i.e. only remain connected with the serving cell.
The embodiment of the invention performs the coordinated multipoint transmission when monitoring that the activated BWPs of the two network nodes are the same, and can solve the problem that the terminal equipment can normally transmit data under the Multi-TRP scene of non-ideal backhaul if the activated BWPs of the two TRP configurations are different.
In addition, in order to ensure that the activated BWP of the two network nodes is the same, the embodiment of the present invention performs negotiation of BWP related RRC parameters in the two network nodes, and also ensures normal operation of the terminal device.
Moreover, the embodiment of the invention can ensure that the DCI is not required to perform BWP switching, or the DCI with 2 TRPs can only activate one BWP, the situation that the BWPs activated by 2 TRPs are different can not occur, and the normal operation of the terminal equipment can also be ensured.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention.
Claims (8)
1. A method for configuring a bandwidth portion BWP, the method being applied to a terminal device and comprising:
determining an activated BWP of the first network node;
monitoring whether the active BWP of the second network node is the same as the active BWP of the first network node;
executing corresponding operation based on the monitoring result;
wherein the monitoring whether the activated BWP of the second network node is the same as the activated BWP of the first network node, and performing a corresponding operation based on the monitoring result, includes:
continuing the coordinated multipoint transmission between the first network node and the second network node when the activated BWP of the second network node is monitored to be the same as the activated BWP of the first network node;
and stopping monitoring the DCI sent by the second network node when the activated BWP of the second network node is different from the activated BWP of the first network node, and only carrying out unicast between the terminal equipment and the first network node.
2. The method according to claim 1, wherein said determining an active BWP of the first network node comprises:
and determining the activated BWP according to the bandwidth part indication information in the Downlink Control Information (DCI) of the first network node and/or determining the activated BWP according to the Radio Resource Control (RRC) information of the first network node.
3. The method according to claim 1, wherein the monitored active BWP of the second network node is the same as the active BWP of the first network node, comprising one or more of the following:
monitoring the active BWP of the first network node for the DCI sent by the second network node, wherein the active BWP indicated by the bandwidth part indication information in the DCI is the same as the active BWP of the first network node;
when the RRC-configured BWP is employed, the BWP monitoring the RRC configuration of the second network node is the same as the RRC-configured BWP of the first network node;
monitoring that the DCI-activated BWP of the second network node is the same as the BWP of the first network node adopting the RRC configuration;
the BWP that the second network node adopts the RRC configuration is monitored to be the same as the DCI-activated BWP of the first network node.
4. The method according to claim 1, wherein the monitoring of the active BWP of the second network node is different from the active BWP of the first network node, comprising one or more of the following:
monitoring the active BWP of the first network node for the DCI sent by the second network node, wherein the active BWP indicated by the bandwidth part indication information in the DCI is different from the active BWP of the first network node;
when the RRC-configured BWP is employed, monitoring that the RRC-configured BWP of the second network node is different from the RRC-configured BWP of the first network node;
monitoring that the DCI-activated BWP of the second network node is different from the BWP of the first network node in the RRC configuration;
the BWP of the second network node in the RRC configuration is monitored to be different from the DCI-activated BWP of the first network node.
5. The method according to claim 1, wherein monitoring whether the activated BWP of the second network node is identical to the activated BWP of the first network node, and performing a corresponding operation based on the monitoring result, comprises:
determining that the DCI update activated BWP sent by the second network node cannot be monitored within a preset time;
stopping monitoring the DCI sent by the second network node, and only carrying out single-point transmission between the terminal equipment and the first network node.
6. A configuration apparatus of a bandwidth part BWP, characterized in that the apparatus is applied to a terminal device, comprising:
a first determining module for determining an activated BWP of the first network node;
a monitoring module for monitoring whether the active BWP of the second network node is the same as the active BWP of the first network node;
the processing module is used for executing corresponding operation based on the monitoring result;
the processing module is specifically configured to:
continuing the coordinated multipoint transmission between the first network node and the second network node when the activated BWP of the second network node is monitored to be the same as the activated BWP of the first network node;
monitoring that the active BWP of the second network node is different from the active BWP of the first network node;
stopping monitoring the DCI sent by the second network node, and only carrying out single-point transmission between the terminal equipment and the first network node.
7. A configuration device of a bandwidth part BWP, characterized in that the device comprises: a processor and a memory for storing a computer program capable of running on the processor,
wherein the processor is adapted to perform the steps of the method of any of claims 1-5 when the computer program is run.
8. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, carries out the steps of the method according to any one of claims 1-5.
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