CN113811020A - Method for reporting and configuring link failure of auxiliary node, terminal and network side equipment - Google Patents
Method for reporting and configuring link failure of auxiliary node, terminal and network side equipment Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/18—Management of setup rejection or failure
Abstract
The invention provides a method for reporting and configuring link failure of an auxiliary node, a terminal and network side equipment, wherein the reporting method comprises the following steps: and reporting indication information for indicating the reason of the link failure of the auxiliary node, wherein the indication information is used for indicating that the link failure of the auxiliary node is caused by the fact that the terminal supports dynamic power sharing. The configuration method comprises the following steps: adjusting auxiliary node link configuration information according to the received indication information; sending the adjusted auxiliary node link configuration information to a terminal; adjusting the secondary node link configuration information comprises at least one of: adjusting the configuration position and/or the quantity of the wireless resources of the auxiliary node; adjusting the configuration position and/or the quantity of the wireless resources of the main node; reducing the transmitting power of the main node; and jointly adjusting the configuration positions and/or the number of the wireless resources of the primary node and the secondary node. If the indication in the reason for the wireless line failure reported by the terminal is caused by supporting power sharing, the network side can perform configuration adjustment of wireless resources according to the reason to ensure the advantages of dual links.
Description
Technical Field
The embodiment of the invention relates to the technical field of wireless communication, in particular to a method for reporting and configuring link failure of an auxiliary node, a terminal and network side equipment.
Background
In a dual-link scenario, a new terminal capability, that is, a capability of supporting dynamic power sharing is defined, where the capability refers to: when the total transmission power of the two links of the double link exceeds the "transmission power limit value PEN-DC, tot _ L", the total transmission power of the double link can be ensured to be lower than or equal to the transmission power limit value PEN-DC, tot _ L by reducing the transmission power of the auxiliary node link or interrupting the uplink transmission of the auxiliary node link. The "transmission power limit PEN-DC, tot _ L" refers to the maximum uplink total transmission power actually allowed in the dual link scenario defined to ensure the indexes such as transmission power, interference, and anti-interference in the dual link scenario. The decision criteria regarding reducing power or interrupting uplink transmission are as follows: in order to guarantee the dual link transmission power limit PEN-DC, tot _ L, if the power value that the auxiliary node link needs to reduce is greater than the threshold value "X _ scale" configured by the network, the link terminates uplink transmission, and if the reduced power value is lower than the threshold value "X _ scale" configured by the network, the transmission power of the auxiliary node link is reduced to a target power value.
Disclosure of Invention
The embodiment of the invention provides a method for reporting and configuring link failure of an auxiliary node, a terminal and network side equipment, which are used for solving the problems of how to report the wireless link failure by the terminal supporting dynamic power sharing capability and how to configure the wireless link failure by the network side.
In order to solve the technical problem, the invention is realized as follows:
in a first aspect, an embodiment of the present invention provides a method for reporting a link failure of an auxiliary node, where the method is applied to a terminal and includes:
and reporting indication information for indicating a reason of the link failure of the auxiliary node to network side equipment, wherein the indication information is used for indicating that the link failure of the auxiliary node is caused by the terminal supporting dynamic power sharing.
Optionally, the indication information includes: the first indication information is used for indicating that the link failure of the secondary node is caused by the terminal supporting the dynamic power sharing actively stopping the uplink transmission of the link of the secondary node, and the second indication information is used for indicating that the link failure of the secondary node is caused by the terminal supporting the dynamic power sharing reducing the transmission power of the link of the secondary node.
Optionally, after the reporting the indication information for indicating the reason for the link failure of the secondary node, the method further includes:
receiving adjusted auxiliary node link configuration information sent by the network side equipment, wherein the adjusted auxiliary node link configuration information is obtained by the network side equipment adjusting the auxiliary node link configuration information according to the indication information, and the adjusted auxiliary node link configuration information includes at least one of the following items:
adjusting the configuration position and/or the configuration quantity of the wireless resources of the auxiliary node;
adjusting the configuration position and/or the configuration quantity of the wireless resources of the main node;
reducing the transmitting power of the main node;
and jointly adjusting the configuration position and/or the configuration quantity of the wireless resources of the primary node and the secondary node.
Optionally, the method for reporting a link failure of an auxiliary node further includes:
according to the link configuration information of the auxiliary node, performing wireless link measurement on the auxiliary node;
reporting the wireless link measurement result of the auxiliary node through the main node; and the network side equipment can determine whether to adjust the auxiliary node link configuration information according to the auxiliary node link measurement result.
Optionally, if the secondary node link failure is caused by the terminal actively stopping uplink transmission of the secondary node link, the method further includes:
after the terminal stops the uplink transmission of the auxiliary node link or the terminal reduces the designated time threshold of the transmission power of the auxiliary node link, the adjusted auxiliary node link configuration information is not received, and a scheduling request is sent to request new wireless resources to establish the auxiliary node link;
or
And if the uplink data to be sent is changed, sending the scheduling request to request new wireless resources to establish an auxiliary node link.
Optionally, the indication information is reported through SCG failure reason indication information.
In a second aspect, an embodiment of the present invention provides a method for configuring a link failure of an auxiliary node, where the method is applied to a network side device, and includes:
receiving indication information for indicating a secondary node link failure reason of a terminal, wherein the indication information is used for indicating that the secondary node link failure is caused by the terminal supporting dynamic power sharing;
adjusting the link configuration information of the auxiliary node according to the indication information, so that the maximum power back-off value and/or the additional maximum power back-off value of the network side equipment meet a first condition;
sending the adjusted auxiliary node link configuration information to the terminal;
wherein the adjusting of the secondary node link configuration information comprises at least one of:
adjusting the configuration position and/or the configuration quantity of the wireless resources of the auxiliary node;
adjusting the configuration position and/or the configuration quantity of the wireless resources of the main node;
reducing the transmitting power of the main node;
and jointly adjusting the configuration position and/or the configuration quantity of the wireless resources of the primary node and the secondary node.
Optionally, the radio resource is a resource block.
Optionally, the adjusting the secondary node link configuration information includes:
selecting a first resource block for a primary node and/or a secondary node, the first resource block satisfying one of the following conditions:
the signal quality meets a second condition;
located near the channel center location;
the positions of the resource blocks of the secondary node and the primary node are adjacent.
Optionally, the adjusting the auxiliary node link configuration information according to the indication information includes:
receiving an auxiliary node link measurement result sent by the terminal;
if the auxiliary node link measurement result shows that the current auxiliary node cell is the optimal cell in all auxiliary node cells, adjusting auxiliary node link configuration information according to the indication information;
and if the auxiliary node link measurement result shows that the current auxiliary node cell is not the optimal cell in all the auxiliary node cells, releasing the auxiliary node link or reselecting the auxiliary node cell.
In a third aspect, an embodiment of the present invention provides a terminal, including:
a first sending module, configured to report, to a network side device, indication information used for indicating a reason for a link failure of an auxiliary node, where the indication information is used for indicating that the link failure of the auxiliary node is caused by a terminal supporting dynamic power sharing.
In a fourth aspect, an embodiment of the present invention provides a network side device, including:
a first receiving module, configured to receive indication information used for indicating a reason for a secondary node link failure of a terminal, where the indication information is used for indicating that the secondary node link failure is caused by the terminal supporting dynamic power sharing;
an adjusting module, configured to adjust secondary node link configuration information according to the indication information, so that a maximum power back-off value and/or an additional maximum power back-off value of the network side device satisfy a first condition; wherein the adjusting of the secondary node link configuration information comprises at least one of:
adjusting the configuration position and/or the configuration quantity of the wireless resources of the auxiliary node;
adjusting the configuration position and/or the configuration quantity of the wireless resources of the main node;
reducing the transmitting power of the main node;
jointly adjusting the configuration positions and/or the configuration quantity of the wireless resources of the main node and the auxiliary node;
and the first sending module is used for sending the adjusted auxiliary node link configuration information to the terminal.
In a fifth aspect, an embodiment of the present invention provides a terminal, including: a transceiver and a processor;
the transceiver is configured to report, to a network side device, indication information used for indicating a reason for an auxiliary node link failure, where the indication information is used for indicating that the auxiliary node link failure is caused by the terminal supporting dynamic power sharing.
In a sixth aspect, an embodiment of the present invention provides a network side device, including: a transceiver and a processor;
the transceiver is configured to receive indication information for indicating a reason for a link failure of a secondary node of a terminal, where the indication information is used to indicate that the link failure of the secondary node is caused by the terminal supporting dynamic power sharing;
the processor is configured to adjust secondary node link configuration information according to the indication information, so that a maximum power back-off value and/or an additional maximum power back-off value of the network side device satisfy a first condition; wherein the adjusting of the secondary node link configuration information comprises at least one of:
adjusting the configuration position and/or the configuration quantity of the wireless resources of the auxiliary node;
adjusting the configuration position and/or the configuration quantity of the wireless resources of the main node;
reducing the transmitting power of the main node;
jointly adjusting the configuration positions and/or the configuration quantity of the wireless resources of the main node and the auxiliary node;
the transceiver is further configured to send the adjusted link configuration information of the secondary node to the terminal.
In a seventh aspect, an embodiment of the present invention provides a terminal, including: the method comprises a processor, a memory and a program which is stored on the memory and can run on the processor, wherein the program realizes the steps of the auxiliary node link failure reporting method when being executed by the processor.
In an eighth aspect, an embodiment of the present invention provides a network side device, including: the system comprises a processor, a memory and a program stored on the memory and capable of running on the processor, wherein the program realizes the steps of the configuration method of the link failure of the auxiliary node when being executed by the processor.
In a ninth aspect, an embodiment of the present invention provides a readable storage medium, where the readable storage medium stores a computer program, and the computer program, when executed by a processor, implements the steps of the method for reporting a link failure of an auxiliary node, or the computer program, when executed by the processor, implements the steps of the method for configuring a link failure of an auxiliary node.
In the embodiment of the invention, if the terminal fails due to the support of the dynamic power sharing, the reported failure reason indicates that the failure is caused by the support of the power sharing, so that the network side can execute the corresponding configuration adjustment of the wireless resources according to the reason, thereby ensuring the advantages of double links, improving the spectrum efficiency and reducing the operation cost of operators.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a flowchart illustrating a method for reporting a link failure of an auxiliary node according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a method for reporting a link failure of an auxiliary node according to another embodiment of the present invention;
fig. 3 is a flowchart illustrating a method for reporting a link failure of an auxiliary node according to another embodiment of the present invention;
fig. 4 is a flowchart illustrating a method for configuring a link failure of an auxiliary node according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a terminal according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a network-side device according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a terminal according to another embodiment of the present invention;
fig. 8 is a schematic structural diagram of a network-side device according to another embodiment of the present invention;
fig. 9 is a schematic structural diagram of a terminal according to yet another embodiment of the present invention;
fig. 10 is a schematic structural diagram of a network-side device according to another embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
By actively reducing the transmission power of the auxiliary node link or interrupting the uplink transmission of the auxiliary node link, the terminal supporting the dynamic power sharing capability is more likely to have uplink and downlink failures or even retransmission failures under the condition of reducing the total transmission power of the two links of the main node and the auxiliary node. The downlink failure is mainly caused by an uplink feedback link failure, for example, the downlink failure is caused by an uplink HARQ (Hybrid Automatic Repeat reQuest) feedback failure.
From the perspective of the network side, there are many reasons for causing the radio link failure, and it is not clear to the network side what causes the radio link failure of the terminal. Causes of radio link failure include: the auxiliary node link of the terminal supporting dynamic power sharing interrupts uplink transmission, and the terminal supporting dynamic power sharing reduces the transmission power of the auxiliary node link and then fails in radio link failure, auxiliary node switching failure, auxiliary node configuration failure, auxiliary node RRC integrity protection detection failure and the like.
Therefore, the network side cannot rapidly solve the problem of radio link failure caused by dynamic power sharing, and only can maintain the link failure state of the secondary node or transmit and receive the data of the secondary node through the main node. However, the two methods lose the advantages of double links, greatly reduce the spectrum efficiency and improve the operation cost of operators.
In order to solve the above problems, embodiments of the present invention provide a method for reporting and configuring an auxiliary node link failure, a terminal, and a network side device, where if a wireless line fails due to the terminal supporting dynamic power sharing, an indication in the reported failure reason is caused by supporting power sharing, so that the network side may perform corresponding configuration adjustment of wireless resources according to the reason, thereby ensuring a dual-link advantage, improving spectrum efficiency, and reducing an operation cost of an operator.
Referring to fig. 1, fig. 1 is a schematic flow chart of a method for reporting a link failure of an auxiliary node according to an embodiment of the present invention, which is applied to a terminal, and includes:
step 11: and reporting indication information for indicating a reason of the link failure of the auxiliary node to network side equipment, wherein the indication information is used for indicating that the link failure of the auxiliary node is caused by the terminal supporting dynamic power sharing.
In the embodiment of the invention, if the terminal fails due to the support of the dynamic power sharing, the reported failure reason indicates that the failure is caused by the support of the power sharing, so that the network side can execute the corresponding configuration adjustment of the wireless resources according to the reason, thereby ensuring the advantages of double links, improving the spectrum efficiency and reducing the operation cost of operators.
Optionally, the indication information is reported through SCG failure reason indication information or through other information.
In the embodiment of the invention, when the sum of the transmission power of the main node and the auxiliary node of the terminal exceeds the threshold value PEN-DC, tot _ L specified by the standard, the terminal needs to reduce the transmission power of the auxiliary node to ensure that the sum of the transmission power of the auxiliary node is lower than the threshold value PEN-DC, tot _ L. If the power value required to be reduced by the auxiliary node link exceeds the threshold X _ scale configured by the network, the terminal stops the uplink transmission of the auxiliary node, and reports the failure reason, that is, the reason for reporting the current uplink failure is caused by the terminal supporting the dynamic power sharing capability actively stopping the uplink transmission of the auxiliary node link.
Namely, the indication information includes: first indication information indicating that a secondary node link failure is caused by the terminal supporting dynamic power sharing actively stopping uplink transmission of a secondary node link.
Optionally, the first indication information may be reported through Secondary Cell Group (SCG) failure reason indication information or reported through other information. For example, a parameter may be carried in the SCG failure cause indication information, and the parameter value is 10, which represents the first indication information.
In the embodiment of the invention, when the sum of the transmission power of the main node and the auxiliary node of the terminal exceeds the threshold value PEN-DC, tot _ L specified by the standard, the terminal needs to reduce the transmission power of the auxiliary node to ensure that the sum of the transmission power of the auxiliary node is lower than the threshold value PEN-DC, tot _ L. And if the power value required to be reduced by the auxiliary node link is lower than the threshold X _ scale configured by the network, reducing the actual transmitting power to the target transmitting power by the auxiliary node link. If the uplink and downlink of the auxiliary node are failed due to the fact that the transmission power of the current auxiliary node link is reduced, reporting the reason that the current uplink and downlink failure is caused by the fact that the terminal supporting the dynamic power sharing capability reduces the uplink transmission power of the upper auxiliary node.
That is, the indication information includes second indication information indicating that the secondary node link failure is caused by the terminal supporting dynamic power sharing reducing the transmission power of the secondary node link.
Optionally, the second indication information may be reported through SCG failure cause indication information or through other information. For example, a parameter may be carried in the SCG failure cause indication information, and when the parameter value is 01, the parameter value represents the second indication information.
In the embodiment of the invention, if the terminal supporting dynamic power sharing causes the wireless line failure because the auxiliary node link stops uplink transmission or reduces the transmitting power of the auxiliary node link, the reported failure reason indicates a specific reason, so that the network side can execute corresponding configuration adjustment of wireless resources according to the reason, thereby ensuring the advantages of double links, improving the spectrum efficiency and reducing the operation cost of operators.
Referring to fig. 2, fig. 2 is a schematic flow chart of a method for reporting a link failure of an auxiliary node according to another embodiment of the present invention, where the method is applied to a terminal, and includes:
step 21: and reporting indication information for indicating a reason of the link failure of the auxiliary node to network side equipment, wherein the indication information is used for indicating that the link failure of the auxiliary node is caused by the terminal supporting dynamic power sharing.
Step 22: and receiving the adjusted auxiliary node link configuration information sent by the network side equipment, wherein the adjusted auxiliary node link configuration information is obtained by the network side equipment adjusting the auxiliary node link configuration information according to the indication information.
In this embodiment of the present invention, optionally, the adjusting of the link configuration information of the secondary node includes at least one of:
adjusting the configuration position and/or the configuration quantity of the wireless resources of the auxiliary node;
adjusting the configuration position and/or the configuration quantity of the wireless resources of the main node;
reducing the transmitting power of the main node;
and jointly adjusting the configuration position and/or the configuration quantity of the wireless resources of the primary node and the secondary node.
Optionally, the radio resource is a Resource Block (RB).
Referring to fig. 3, fig. 3 is a schematic flow chart of a method for reporting a link failure of an auxiliary node according to another embodiment of the present invention, where the method is applied to a terminal, and includes:
step 31: and reporting indication information for indicating a reason of the link failure of the auxiliary node to network side equipment, wherein the indication information is used for indicating that the link failure of the auxiliary node is caused by the terminal supporting dynamic power sharing.
Step 32: and according to the link configuration information of the auxiliary node, performing wireless link measurement on the auxiliary node.
Step 33: and reporting the wireless link measurement result of the auxiliary node through the main node, so that the network side equipment can determine whether to adjust the auxiliary node link configuration information according to the auxiliary node link measurement result.
In the embodiment of the invention, the terminal carries out wireless link measurement on the auxiliary node according to the auxiliary node link configuration information and reports the wireless link measurement result, so that a network side can determine whether to adjust the auxiliary node link configuration information according to the auxiliary node link measurement result.
In the foregoing embodiments of the present invention, optionally, the method further includes:
after the terminal stops uplink transmission of the auxiliary node link or the terminal reduces the designated time threshold of the transmission power of the auxiliary node link, the adjusted auxiliary node link configuration information is not received, and a Scheduling Request (SR) is sent to Request new wireless resources to establish the auxiliary node link;
or
And if the uplink data to be sent is changed, sending the scheduling request to request new wireless resources to establish an auxiliary node link.
In the embodiment of the invention, if the uplink of the auxiliary node fails, the network decides to keep the existing auxiliary node residing state, and the related technology does not explain when the terminal can send a new round of SCG uplink data. In the embodiment of the invention, the uplink transmission of the auxiliary node link is actively stopped by the terminal or the terminal starts to reduce the transmission power of the auxiliary node link, if a certain time threshold value is reached, the network side does not send new auxiliary node link configuration information, the terminal sends the SR, or when the uplink transmission data volume of the terminal is changed, the terminal initiates the SR to perform a new round of data transmission process.
Referring to fig. 4, an embodiment of the present invention further provides a method for configuring a link failure of an auxiliary node, which is applied to a network side device, and includes:
step 41: receiving indication information for indicating a secondary node link failure reason of a terminal, wherein the indication information is used for indicating that the secondary node link failure is caused by the terminal supporting dynamic power sharing;
step 42: adjusting the link configuration information of the auxiliary node according to the indication information, so that the maximum power back-off value and/or the additional maximum power back-off value of the network side equipment meet a first condition; wherein the adjusting of the secondary node link configuration information comprises at least one of:
adjusting the configuration position and/or the configuration quantity of the wireless resources of the auxiliary node;
adjusting the configuration position and/or the configuration quantity of the wireless resources of the main node;
reducing the transmitting power of the main node;
and jointly adjusting the configuration position and/or the configuration quantity of the wireless resources of the primary node and the secondary node.
Wherein the first condition can guarantee normal communication of the secondary node link. The first condition may be, for example: the maximum power back-off value and/or the additional maximum power back-off value are smaller than the preset value.
Step 43: and sending the adjusted auxiliary node link configuration information to the terminal.
In the embodiment of the invention, if the terminal fails due to the support of dynamic power sharing, the reported failure reason indicates that the failure is caused by the support of power sharing, so that the network side can execute corresponding configuration adjustment of wireless resources according to the reason, the problem of link failure of the auxiliary node is solved, the establishment work of uplink and downlink wireless links of the auxiliary node is quickly completed, the network pressure of the main node is reduced, the advantages of double links are ensured, the spectrum efficiency is improved, and the operation cost of an operator is reduced.
In this embodiment of the present invention, optionally, the secondary node link configuration information is adjusted according to an MPR (maximum power reduction) formula and/or an a-MPR (additional maximum power reduction) formula, so that the maximum power reduction value and/or the additional maximum power reduction value of the network side device satisfy the first condition.
Optionally, the radio resource is a Resource Block (RB).
Optionally, the adjusting the secondary node link configuration information includes:
selecting a first resource block for a primary node and/or a secondary node, the first resource block satisfying one of the following conditions:
the signal quality meets a second condition;
located near the channel center location;
the positions of the resource blocks of the secondary node and the primary node are adjacent.
Wherein, the signal quality meeting the second condition means selecting the radio resource with better signal quality and replacing the MPR and/or A-MPR with the signal quality as small as possible.
Optionally, in the embodiment of the present invention, the adjusted auxiliary node link configuration information is sent through Downlink Control Information (DCI) or RRC information.
In the embodiment of the present invention, optionally, the adjusting of the link configuration information of the secondary node includes at least one of:
(1) adjusting a configuration position and/or a configuration number of radio Resources (RBs) of the secondary node;
in the embodiment of the present invention, optionally, the configuration position and/or the configuration number of the RBs of the secondary node are adjusted, and the adjustment criterion is that the maximum power back-off value and/or the additional maximum power back-off value of the network side device satisfy the first condition. For example, the maximum power reduction value (MPR) of EN-DC (EUTRAN NR Dual connectivity), NE-DC (NR-E-UTRA Dual connectivity), NR-DC, LTE or NR is minimized. For example, while the RB resource with the better signal quality is selected, the RB is allocated to the center of the entire channel as much as possible.
(2) Adjusting the configuration position and/or the configuration quantity of the wireless resources of the main node;
in the embodiment of the present invention, optionally, the configuration position and/or the configuration number of the RBs of the master node are adjusted, where the RB adjustment criterion enables the maximum power back-off value and/or the additional maximum power back-off value of the network side device to satisfy the first condition. For example, to minimize the MPR of EN-DC, NE-DC, NR, or LTE. For example, while the RB resource with the better signal quality is selected, the RB is allocated to the center of the entire channel as much as possible.
(3) And reducing the transmission power of the main node.
In the embodiment of the present invention, optionally, the transmission power of the master node is reduced, and the adjustment criterion is that the maximum power back-off value and/or the additional maximum power back-off value of the network side device satisfy the first condition. For example, the maximum power reduction value (MPR) of EN-DC (EUTRAN NR Dual connectivity), NE-DC (NR-E-UTRA Dual connectivity), NR-DC, LTE or NR is minimized.
(4) And jointly adjusting the configuration position and/or the configuration quantity of the wireless resources of the primary node and the secondary node.
In the embodiment of the present invention, optionally, the configuration positions and/or the configuration numbers of the radio resources of the primary node and the secondary node are jointly adjusted, and the adjustment criterion is that the maximum power back-off value and/or the additional maximum power back-off value of the network side device satisfy the first condition. For example, the maximum power reduction value (MPR) of EN-DC (EUTRAN NR Dual connectivity), NE-DC (NR-E-UTRA Dual connectivity), NR-DC, LTE or NR is minimized.
When the above four combinations, three combinations or two combinations are adjusted, the RB adjustment criteria are the same, wherein EN-DC, NR or MPR (maximum power back-off) of LTE is minimized as much as possible. For example, for a terminal supporting an NS _04 signal, the number and position of RB configurations of the primary node and the secondary node may be appropriately and reasonably changed, so that the frequency points of harmonics, forward intermodulation products, and reverse intermodulation products are higher than 2490.5MHz and fall to positions where SEM values are as high as possible, such as-13 dBm/MHz positions instead of-25 dBm/MHz positions, the RB configuration of the primary node is guaranteed to be better in signal quality and located at the center of a channel, and the RB positions of the secondary node and the primary node are adjacent to each other as much as possible. If the conflict exists, the network side can automatically determine a specific configuration scheme, and the RB with better signal quality is selected and the MPR value is reduced.
In the embodiment of the invention, for the condition of uplink and downlink radio link failure caused by the reduction of the transmission power of the auxiliary node of the dynamic power sharing terminal or the stopping of uplink transmission, the network side can adjust the configuration position and/or the configuration number of the radio resources of the main node by reducing the position and/or the configuration number of the radio resources of the auxiliary node, or the main node and the auxiliary node jointly coordinate the configuration position and/or the configuration number of the radio resources, and/or reduce the transmission power of the main node and the like to solve the reason of the uplink and downlink radio link failure of the auxiliary node.
In the embodiment of the invention, for the condition of uplink and downlink radio link failure caused by other reasons, the network side equipment can solve the problem of uplink and downlink radio link failure of the auxiliary node by switching the cells, updating the configuration position of radio resources, improving the scheduling priority of the current terminal in the auxiliary node cell and the like.
In the embodiment of the present invention, optionally, after receiving the indication information for indicating the reason for the link failure of the secondary node of the terminal, the method further includes:
and stopping sending the boost power indication information to the terminal.
In the embodiment of the present invention, optionally, the adjusting the secondary node link configuration information according to the indication information includes:
receiving an auxiliary node link measurement result sent by the terminal;
if the auxiliary node link measurement result shows that the current auxiliary node cell is the optimal cell in all auxiliary node cells, adjusting auxiliary node link configuration information according to the indication information;
and if the auxiliary node link measurement result shows that the current auxiliary node cell is not the optimal cell in all the auxiliary node cells, releasing the auxiliary node link or reselecting the auxiliary node cell.
Referring to fig. 5, an embodiment of the present invention further provides a terminal 50, including:
a first sending module 51, configured to report, to a network side device, indication information used for indicating a reason for a link failure of an auxiliary node, where the indication information is used for indicating that the link failure of the auxiliary node is caused by that the terminal supports dynamic power sharing.
Optionally, the indication information includes: the first indication information is used for indicating that the link failure of the secondary node is caused by the terminal supporting the dynamic power sharing actively stopping the uplink transmission of the link of the secondary node, and the second indication information is used for indicating that the link failure of the secondary node is caused by the terminal supporting the dynamic power sharing reducing the transmission power of the link of the secondary node.
Optionally, the terminal 50 further includes:
a first receiving module, configured to receive adjusted auxiliary node link configuration information sent by the network side device, where the adjusted auxiliary node link configuration information is obtained by the network side device adjusting the auxiliary node link configuration information according to the indication information, and the adjusted auxiliary node link configuration information includes at least one of the following:
adjusting the configuration position and/or the configuration quantity of the wireless resources of the auxiliary node;
adjusting the configuration position and/or the configuration quantity of the wireless resources of the main node;
reducing the transmitting power of the main node;
and jointly adjusting the configuration position and/or the configuration quantity of the wireless resources of the primary node and the secondary node.
Optionally, the terminal 50 further includes:
the measurement module is used for carrying out wireless link measurement on the auxiliary node according to the auxiliary node link configuration information;
the second sending module is used for reporting the wireless link measurement result of the auxiliary node through the main node; and the network side equipment can determine whether to adjust the auxiliary node link configuration information according to the auxiliary node link measurement result.
Optionally, the terminal 50 further includes:
a third sending module, configured to send a scheduling request to request a new radio resource to establish an auxiliary node link, when the terminal stops uplink sending of the auxiliary node link or the terminal decreases a specified time threshold of the transmission power of the auxiliary node link, and does not receive the adjusted auxiliary node link configuration information;
or
And a fourth sending module, configured to send the scheduling request to request a new radio resource to establish an auxiliary node link if uplink data to be sent changes.
Optionally, the indication information is reported through SCG failure reason indication information.
Referring to fig. 6, an embodiment of the present invention further provides a network-side device 60, including:
a first receiving module 61, configured to receive indication information used for indicating a reason for a secondary node link failure of a terminal, where the indication information is used for indicating that the secondary node link failure is caused by that the terminal supports dynamic power sharing;
an adjusting module 62, configured to adjust the secondary node link configuration information according to the indication information, so that a maximum power back-off value and/or an additional maximum power back-off value of the network side device meet a first condition;
a first sending module 63, configured to send the adjusted auxiliary node link configuration information to the terminal;
wherein the adjusting of the secondary node link configuration information comprises at least one of:
adjusting the configuration position and/or the configuration quantity of the wireless resources of the auxiliary node;
adjusting the configuration position and/or the configuration quantity of the wireless resources of the main node;
reducing the transmitting power of the main node;
and jointly adjusting the configuration position and/or the configuration quantity of the wireless resources of the primary node and the secondary node.
Optionally, the radio resource is a resource block.
Optionally, the adjusting the secondary node link configuration information includes:
selecting a first resource block for a primary node and/or a secondary node, the first resource block satisfying one of the following conditions:
the signal quality meets a second condition;
located near the channel center location;
the positions of the resource blocks of the secondary node and the primary node are adjacent.
Optionally, the network-side device 60 further includes:
and the stopping module is used for stopping sending the power boosting indication information to the terminal.
Optionally, the network-side device 60 further includes:
a second receiving module, configured to receive an auxiliary node link measurement result sent by the terminal;
the execution module is used for adjusting the auxiliary node link configuration information according to the indication information if the auxiliary node link measurement result shows that the current auxiliary node cell is the optimal cell in all the auxiliary node cells; and if the auxiliary node link measurement result shows that the current auxiliary node cell is not the optimal cell in all the auxiliary node cells, releasing the auxiliary node link or reselecting the auxiliary node cell.
Referring to fig. 7, an embodiment of the present invention further provides a terminal 70, including: a transceiver 71 and a processor 72;
the transceiver 71 is configured to report, to a network side device, indication information used for indicating a reason for a link failure of an auxiliary node, where the indication information is used for indicating that the link failure of the auxiliary node is caused by the terminal supporting dynamic power sharing.
Optionally, the indication information includes: the first indication information is used for indicating that the link failure of the secondary node is caused by the terminal supporting the dynamic power sharing actively stopping the uplink transmission of the link of the secondary node, and the second indication information is used for indicating that the link failure of the secondary node is caused by the terminal supporting the dynamic power sharing reducing the transmission power of the link of the secondary node.
Optionally, the transceiver 71 is further configured to receive adjusted auxiliary node link configuration information sent by the network side device, where the adjusted auxiliary node link configuration information is obtained by the network side device adjusting the auxiliary node link configuration information according to the indication information, and the adjusted auxiliary node link configuration information includes at least one of the following:
adjusting the configuration position and/or the configuration quantity of the wireless resources of the auxiliary node;
adjusting the configuration position and/or the configuration quantity of the wireless resources of the main node;
reducing the transmitting power of the main node;
and jointly adjusting the configuration position and/or the configuration quantity of the wireless resources of the primary node and the secondary node.
Optionally, the processor 72 is configured to perform radio link measurement on the secondary node according to secondary node link configuration information;
the transceiver 71 is further configured to report a radio link measurement result of the secondary node through the primary node; and the network side equipment can determine whether to adjust the auxiliary node link configuration information according to the auxiliary node link measurement result.
Optionally, the transceiver 71 is further configured to send a scheduling request to request a new radio resource to establish an auxiliary node link, after the terminal stops uplink transmission of the auxiliary node link or the terminal reduces a specified time threshold of the transmission power of the auxiliary node link and does not receive the adjusted auxiliary node link configuration information;
or
The transceiver 71 is further configured to send the scheduling request to request a new radio resource to establish an auxiliary node link if uplink data to be sent changes.
Optionally, the indication information is reported through SCG failure reason indication information.
Referring to fig. 8, an embodiment of the present invention further provides a network side device 80, including: a transceiver 81 and a processor 82;
the transceiver 81 is configured to receive indication information for indicating a reason for a secondary node link failure of a terminal, where the indication information is used to indicate that the secondary node link failure is caused by the terminal supporting dynamic power sharing;
the processor 82 is configured to adjust the secondary node link configuration information according to the indication information, so that the maximum power back-off value and/or the additional maximum power back-off value of the network side device satisfy a first condition;
the transceiver 81 is further configured to send the adjusted link configuration information of the secondary node to the terminal.
Wherein the adjusting of the secondary node link configuration information comprises at least one of:
adjusting the configuration position and/or the configuration quantity of the wireless resources of the auxiliary node;
adjusting the configuration position and/or the configuration quantity of the wireless resources of the main node;
reducing the transmitting power of the main node;
and jointly adjusting the configuration position and/or the configuration quantity of the wireless resources of the primary node and the secondary node.
Optionally, the radio resource is a resource block.
Optionally, the adjusting the secondary node link configuration information includes:
selecting a first resource block for a primary node and/or a secondary node, the first resource block satisfying one of the following conditions:
the signal quality meets a second condition;
located near the channel center location;
the positions of the resource blocks of the secondary node and the primary node are adjacent.
Optionally, the processor 82 is further configured to stop sending the boosted power indication information to the terminal.
Optionally, the transceiver 81 is further configured to receive an auxiliary node link measurement result sent by the terminal;
the processor 82 is further configured to adjust the secondary node link configuration information according to the indication information if the secondary node link measurement result indicates that the current secondary node cell is an optimal cell among all secondary node cells; and if the auxiliary node link measurement result shows that the current auxiliary node cell is not the optimal cell in all the auxiliary node cells, releasing the auxiliary node link or reselecting the auxiliary node cell.
Referring to fig. 9, an embodiment of the present invention further provides a terminal 90, including a processor 91, a memory 92, and a computer program stored in the memory 92 and capable of running on the processor 91, where the computer program, when executed by the processor 91, implements each process of the foregoing method for reporting a link failure of an auxiliary node, and can achieve the same technical effect, and is not described herein again to avoid repetition.
Referring to fig. 10, an embodiment of the present invention further provides a network-side device 100, which includes a processor 101, a memory 102, and a computer program stored in the memory 102 and capable of running on the processor 101, where the computer program, when executed by the processor 101, implements the processes of the configuration method embodiment for a link failure of an auxiliary node, and can achieve the same technical effects, and therefore, for avoiding repetition, details are not described here again.
The embodiment of the present invention further provides a readable storage medium, where a computer program is stored on the readable storage medium, and when executed by a processor, the computer program implements each process of the foregoing method for reporting a link failure of an auxiliary node, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here.
The embodiment of the present invention further provides a readable storage medium, where a computer program is stored on the readable storage medium, and when executed by a processor, the computer program implements each process of the configuration method for a link failure of an auxiliary node, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here.
The readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (18)
1. A method for reporting link failure of an auxiliary node is applied to a terminal, and comprises the following steps:
and reporting indication information for indicating a reason of the link failure of the auxiliary node to network side equipment, wherein the indication information is used for indicating that the link failure of the auxiliary node is caused by the terminal supporting dynamic power sharing.
2. The method of claim 1, wherein the indication information comprises: the first indication information is used for indicating that the link failure of the secondary node is caused by the terminal supporting the dynamic power sharing actively stopping the uplink transmission of the link of the secondary node, and the second indication information is used for indicating that the link failure of the secondary node is caused by the terminal supporting the dynamic power sharing reducing the transmission power of the link of the secondary node.
3. The method for reporting secondary node link failure according to claim 1, wherein the reporting the indication information for indicating the reason for the secondary node link failure further comprises:
receiving adjusted auxiliary node link configuration information sent by the network side equipment, wherein the adjusted auxiliary node link configuration information is obtained by the network side equipment adjusting the auxiliary node link configuration information according to the indication information, and the adjusted auxiliary node link configuration information includes at least one of the following items:
adjusting the configuration position and/or the configuration quantity of the wireless resources of the auxiliary node;
adjusting the configuration position and/or the configuration quantity of the wireless resources of the main node;
reducing the transmitting power of the main node;
and jointly adjusting the configuration position and/or the configuration quantity of the wireless resources of the primary node and the secondary node.
4. The method of claim 1, further comprising:
according to the link configuration information of the auxiliary node, performing wireless link measurement on the auxiliary node;
reporting the wireless link measurement result of the auxiliary node through the main node; and the network side equipment can determine whether to adjust the auxiliary node link configuration information according to the measurement result.
5. The method for reporting secondary node link failure according to claim 1, wherein the reporting, to the network side device, the indication information for indicating the reason for the secondary node link failure further includes:
after the terminal stops the uplink transmission of the auxiliary node link or the terminal reduces the designated time threshold of the transmission power of the auxiliary node link, the adjusted auxiliary node link configuration information is not received, and a scheduling request is sent to request new wireless resources to establish the auxiliary node link;
or
And if the uplink data to be sent is changed, sending the scheduling request to request new wireless resources to establish an auxiliary node link.
6. The method of claim 1, wherein the indication information is reported via SCG failure cause indication information.
7. A method for configuring link failure of an auxiliary node is applied to network side equipment, and comprises the following steps:
receiving indication information for indicating a secondary node link failure reason of a terminal, wherein the indication information is used for indicating that the secondary node link failure is caused by the terminal supporting dynamic power sharing;
adjusting the link configuration information of the auxiliary node according to the indication information, so that the maximum power back-off value and/or the additional maximum power back-off value of the network side equipment meet a first condition;
sending the adjusted auxiliary node link configuration information to the terminal;
wherein the adjusting of the secondary node link configuration information comprises at least one of:
adjusting the configuration position and/or the configuration quantity of the wireless resources of the auxiliary node;
adjusting the configuration position and/or the configuration quantity of the wireless resources of the main node;
reducing the transmitting power of the main node;
and jointly adjusting the configuration position and/or the configuration quantity of the wireless resources of the primary node and the secondary node.
8. The method of claim 7, wherein the wireless resources are resource blocks.
9. The method of claim 8, wherein the adjusting secondary node link configuration information comprises:
selecting a first resource block for a primary node and/or a secondary node, the first resource block satisfying one of the following conditions:
the signal quality meets a second condition;
located near the channel center location;
the positions of the resource blocks of the secondary node and the primary node are adjacent.
10. The method of claim 7, wherein the receiving the indication information indicating the reason for the link failure of the secondary node of the terminal further comprises:
and stopping sending the boost power indication information to the terminal.
11. The method of claim 7, wherein the adjusting secondary node link configuration information according to the indication information comprises:
receiving an auxiliary node link measurement result sent by the terminal;
if the auxiliary node link measurement result shows that the current auxiliary node cell is the optimal cell in all auxiliary node cells, adjusting auxiliary node link configuration information according to the indication information;
and if the auxiliary node link measurement result shows that the current auxiliary node cell is not the optimal cell in all the auxiliary node cells, releasing the auxiliary node link or reselecting the auxiliary node cell.
12. A terminal, comprising:
a first sending module, configured to report, to a network side device, indication information used for indicating a reason for a link failure of an auxiliary node, where the indication information is used for indicating that the link failure of the auxiliary node is caused by a terminal supporting dynamic power sharing.
13. A network-side device, comprising:
a first receiving module, configured to receive indication information used for indicating a reason for a secondary node link failure of a terminal, where the indication information is used for indicating that the secondary node link failure is caused by the terminal supporting dynamic power sharing;
an adjusting module, configured to adjust secondary node link configuration information according to the indication information, so that a maximum power back-off value and/or an additional maximum power back-off value of the network side device satisfy a first condition; wherein the adjusting of the secondary node link configuration information comprises at least one of:
adjusting the configuration position and/or the configuration quantity of the wireless resources of the auxiliary node;
adjusting the configuration position and/or the configuration quantity of the wireless resources of the main node;
reducing the transmitting power of the main node;
jointly adjusting the configuration positions and/or the configuration quantity of the wireless resources of the main node and the auxiliary node;
and the first sending module is used for sending the adjusted auxiliary node link configuration information to the terminal.
14. A terminal, comprising: a transceiver and a processor;
the transceiver is configured to report, to a network side device, indication information used for indicating a reason for an auxiliary node link failure, where the indication information is used for indicating that the auxiliary node link failure is caused by the terminal supporting dynamic power sharing.
15. A network-side device, comprising: a transceiver and a processor;
the transceiver is configured to receive indication information for indicating a reason for a link failure of a secondary node of a terminal, where the indication information is used to indicate that the link failure of the secondary node is caused by the terminal supporting dynamic power sharing;
the processor is configured to adjust secondary node link configuration information according to the indication information, so that a maximum power back-off value and/or an additional maximum power back-off value of the network side device satisfy a first condition; wherein the adjusting of the secondary node link configuration information comprises at least one of:
adjusting the configuration position and/or the configuration quantity of the wireless resources of the auxiliary node;
adjusting the configuration position and/or the configuration quantity of the wireless resources of the main node;
reducing the transmitting power of the main node;
jointly adjusting the configuration positions and/or the configuration quantity of the wireless resources of the main node and the auxiliary node;
the transceiver is further configured to send the adjusted link configuration information of the secondary node to the terminal.
16. A terminal, comprising: processor, memory and program stored on the memory and executable on the processor, the program, when executed by the processor, implementing the steps of the method for reporting a secondary node link failure according to any of claims 1 to 6.
17. A network-side device, comprising: a processor, a memory and a program stored on the memory and executable on the processor, the program, when executed by the processor, implementing the steps of the method of configuration of a secondary node link failure as claimed in any one of claims 7 to 11.
18. A readable storage medium, wherein the readable storage medium stores thereon a computer program, which when executed by a processor implements the steps of the method for reporting a secondary node link failure according to any one of claims 1 to 6, or implements the steps of the method for configuring a secondary node link failure according to any one of claims 7 to 11.
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