CN113747445A - Data distribution method, electronic equipment and computer readable storage medium - Google Patents
Data distribution method, electronic equipment and computer readable storage medium Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
- H04W16/10—Dynamic resource partitioning
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/10—Flow control between communication endpoints
Abstract
The invention discloses a data shunting method, electronic equipment and a computer readable storage medium, wherein the method is applied to a Packet Data Convergence Protocol (PDCP) network element side, and comprises the following steps: and obtaining packet abandon rate information, and adjusting the parameter of a reordering timer according to the packet abandon rate information. Based on the embodiment of the invention, the problem that the wireless resources can not be fully utilized due to uneven distribution of uplink distribution in a double-connection scene can be solved, and the aim of optimally utilizing the wireless resources by dynamically adjusting parameters can be fulfilled.
Description
Technical Field
The present invention relates to the field of wireless communications, and in particular, to a data offloading method, an electronic device, and a computer-readable storage medium.
Background
The 5G NR (New Radio, New air interface) is an evolved access network of 3GPP (Third Generation partnership project), and compared with an LTE (Long Term Evolution) network, the New Radio NR has a great change in wireless transmission technology, air interface protocol, and system architecture, and will provide a mobile communication network with higher rate, lower delay, more connections, and more flexibility. The 4G and 5G coexistent inevitably at the initial stage of 5G deployment, and 4G and 5G are fused to form a main deployment form, and 4G/5G double-connection DC (Dual connectivity) is adopted. Dual connectivity is the provision of resources on two different network nodes for a given ue, and the protocol divides the two nodes serving the ue simultaneously into a primary node mn (master node) and a secondary node sn (secondary node).
Although the current protocol gives Split Bearer (Split Bearer) mode under dual connectivity, it does not give a method how to perform data offloading. If the Split is not appropriate in Split Bearer mode, it will occur: 1. the Split is not uniform, one of the two Split Bearer is not sent in time because the air interface resource is limited, and the receiving end can not continuously receive the slow packet sending message because of the bearing; 2. if the other bearer air interface is good, the bearer radio resource cannot be fully utilized because of the need to wait for the bearer with the limited air interface.
Disclosure of Invention
The following is a summary of the subject matter described in detail herein. This summary is not intended to limit the scope of the claims.
On one hand, embodiments of the present invention provide a data offloading method, an electronic device, and a computer-readable storage medium, which can solve the problem that, in a scenario of dual connectivity, radio resources cannot be fully utilized due to uneven offloading in uplink offloading, and achieve the purpose of achieving optimal utilization of radio resources by dynamically adjusting parameters.
In another aspect, an embodiment of the present invention provides a method for data offloading, where the method is applied to a network element side of a packet data convergence protocol PDCP, and the method includes:
obtaining packet discarding rate information;
and adjusting the parameter of a reordering timer according to the packet discarding rate information.
In another aspect, an embodiment of the present invention provides an electronic device, including:
memory, processor and computer program stored on the memory and executable on the processor, the processor implementing the method of data splitting as described above when executing the computer program.
In still another aspect, an embodiment of the present invention provides a computer-readable storage medium, where a computer-executable program is stored, where the computer-executable program is used to enable a computer to execute the data offloading method described above.
The embodiment of the invention comprises the following steps: and obtaining packet abandon rate information, and adjusting the parameter of the reordering timer according to the packet abandon rate information. According to the scheme provided by the embodiment of the invention, the problem that the wireless resources cannot be fully utilized due to uneven distribution of uplink distribution in a double-connection scene can be solved, and the aim of optimally utilizing the wireless resources by dynamically adjusting parameters is fulfilled.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the example serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a flowchart of a method for data offloading according to an embodiment of the present invention;
fig. 2 is a flowchart of a data offloading method according to another embodiment of the present invention;
fig. 3 is a flowchart of a data offloading method according to another embodiment of the present invention;
fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It should be understood that in the description of the embodiments of the present invention, a plurality (or a plurality) means two or more, more than, less than, more than, etc. are understood as excluding the number, and more than, less than, etc. are understood as including the number. If the description of "first", "second", etc. is used for the purpose of distinguishing technical features, it is not intended to indicate or imply relative importance or to implicitly indicate the number of indicated technical features or to implicitly indicate the precedence of the indicated technical features.
The 5G NR (5G New Radio, 5G New air interface) is an access network evolved by 3GPP, and compared with the LTE network, the 5G NR has great changes in the aspects of a wireless transmission technology, an air interface protocol, and a system architecture, and will provide a mobile communication network with higher rate, lower delay, more connections, and more flexibility. The 4G and 5G coexistent inevitably at the initial stage of 5G deployment, and 4G and 5G are fused to form a main deployment form, and 4G/5G double-connection DC (Dual connectivity) is adopted. Dual connectivity is the provision of resources on two different network nodes for a given ue, and the protocol divides the two nodes serving the ue simultaneously into a primary node mn (master node) and a secondary node sn (secondary node).
Although the current protocol gives Split Bearer (Split Bearer) mode under dual connectivity, it does not give a method how to perform data offloading. If the Split is not appropriate in Split Bearer mode, it will occur: 1. the Split is not uniform, one of the two Split Bearer is not sent in time because the air interface resource is limited, and the receiving end can not continuously receive the slow packet sending message because of the bearing; 2. if the other bearer air interface is good, the bearer radio resource cannot be fully utilized because of the need to wait for the bearer with the limited air interface.
Embodiments of the present invention provide a data offloading method, an electronic device, and a computer-readable storage medium, which can solve a problem that, in a scenario of dual connectivity, radio resources cannot be fully utilized due to uneven offloading in uplink offloading (i.e., a scenario of offloading on a terminal side), by acquiring information of an offload rate and adjusting a parameter of a reordering timer according to the information of the offload rate, and achieve an objective of optimally utilizing the radio resources by dynamically adjusting the parameter.
As shown in fig. 1, fig. 1 is a flowchart of a data offloading method according to an embodiment of the present invention. The data shunting method is applied to a packet data convergence protocol PDCP network element side, and comprises but is not limited to the following steps:
and step S100, obtaining packet discarding rate information.
And step S200, adjusting the parameter of the reordering timer according to the packet discarding rate information.
In the embodiment of the invention, the aim of optimally utilizing wireless resources is achieved by dynamically adjusting parameters by acquiring the packet discarding rate information which is used for the ratio of the number of the discarded packets to the total number of the received data packets in the packet discarding detection period and then adjusting the parameter of the reordering timer according to the packet discarding rate information.
Illustratively, the non-uniform Split bearer can be dealt with by adaptively adjusting the reordering timer parameter and the Split threshold parameter at the receiving end PDCP, so as to effectively utilize the air interface resource, and make the two wireless resources achieve the purpose of optimal combining gain.
Illustratively, the uneven Split of the Split bearer can be dealt with by adaptively adjusting the reordering timer parameter and the coding efficiency parameter of the adaptive modulation coding AMC at the receiving end PDCP, so that the air interface resource is effectively utilized, and the purpose of combining the two wireless resources to optimize the gain is achieved.
It should be noted that the method is applicable to all dual connections shunted at PDCP.
As shown in fig. 2, fig. 2 is a flowchart of a data offloading method according to an embodiment of the present invention. Step S200 may include, but is not limited to, the following sub-steps:
in step S201, when the packet discard rate is equal to 0, the reordering timer parameter is decreased.
For example, when the packet dropping rate is equal to 0, if it is considered that one of the nodes carried by Split is good to carry an air interface, the reordering timer parameter should be decreased, for example, by decreasing the reordering timer level, the receive window is decreased to efficiently utilize the radio resource.
Step S202, when the parameter of the reordering timer is decreased and the packet discarding rate in the continuous period is determined to be continuously 0, the parameter of the shunting threshold is decreased.
For example, on the basis of step S201, the number of times that the packet loss rate in the continuous period is 0 is recorded during offloading, and when the packet loss rate in the continuous period is continuously 0, it indicates that two wireless resources can be fully utilized, and at this time, the offloading threshold parameter should be reduced, for example, the offloading threshold should be reduced, so as to improve the offloading chance, and a reconfiguration message is sent to the user terminal.
Step S203, when the packet abandon rate is larger than the preset packet abandon rate threshold, the reordering timer parameter is increased.
For example, when the packet dropping rate is greater than the preset packet dropping rate threshold Lr, it is considered that the capability of transmitting a packet over the air of one of the nodes by Split is worse than the capability of actually shunting, and the reordering timer parameter should be increased, for example, by increasing the notch of the reordering timer, the receiving window is enlarged to adapt to the unbalanced condition.
Step S204, when the reordering timer parameter is increased and the reordering timer parameter is determined to reach the first preset threshold, the shunting threshold parameter is configured to infinity.
For example, on the basis of step S203, when it is determined that the reordering timer parameter reaches a first preset threshold, where the first preset threshold refers to a maximum parameter value preset by the reordering timer, the offloading threshold parameter is configured to infinity, and a reconfiguration message is sent to the user terminal, so that the user terminal stops offloading.
Step S205, when the reordering timer parameter does not reach the first preset threshold and it is determined that the packet discarding rate in the continuous period is greater than the preset packet discarding rate threshold, increase the shunting threshold parameter.
For example, on the basis of step S203, when it is determined that the reordering timer parameter does not reach the first preset threshold, where the first preset threshold refers to a maximum parameter value preset by the reordering timer, and the packet loss rate in the continuous period is greater than the preset packet loss rate threshold Lr, the offloading threshold parameter is increased, for example, the offloading threshold is increased to reduce the offloading chance, and the reconfiguration message is sent to the user terminal.
Step S206, when the shunt threshold parameter reaches infinity, starting a single-flow detection timer;
step S207, when the single-flow detection timer exceeds the second preset threshold, configuring the shunting threshold parameter as a preset default value.
For example, on the basis of step S204 or step S205, when it is determined that the split threshold parameter reaches infinity, the single-flow detection timer Tsi is started;
after the single-flow detection timer Tsi is started, when the timing of the single-flow detection timer Tsi exceeds a second preset threshold, wherein the second preset threshold refers to a preset time threshold Tsingle, configuring a shunting threshold parameter as a preset default value, and restarting shunting; otherwise, when the single-stream detection timer Tsi does not exceed the preset time threshold Tsingle, the single-stream detection timer Tsi is maintained to maintain the current flow.
It should be noted that, if the packet discarding rate is greater than 0 and less than or equal to the preset packet discarding rate threshold Lr, it is considered that the current data flow is uniform, and the current reordering timer parameter should be kept unchanged to maintain the current flow.
As shown in fig. 3, fig. 3 is a flowchart of a data offloading method according to an embodiment of the present invention. Step S200 may include, but is not limited to, the following sub-steps:
step S301, when the packet discarding rate is equal to 0, the reordering timer parameter is decreased.
For example, when the packet dropping rate is equal to 0, if it is considered that one of the nodes carried by Split is good to carry an air interface, the reordering timer parameter should be decreased, for example, by decreasing the reordering timer level, the receive window is decreased to efficiently utilize the radio resource.
Step S302, when the reordering timer parameter is decreased and the packet discard rate in the continuous period is determined to be continuously 0, the coding efficiency parameter of the adaptive modulation coding AMC of the first transmission path and the second transmission path of the PDCP is increased.
Illustratively, on the basis of step 301, when the packet dropping rate continues to be 0 in consecutive periods, the coding efficiency parameter of the adaptive modulation coding AMC of the first transmission path and the second transmission path of the PDCP is adjusted to force the user terminal to send more packets.
Step S303, when the packet abandon rate is larger than the preset packet abandon rate threshold, the reordering timer parameter is increased.
For example, when the packet dropping rate is greater than the preset packet dropping rate threshold Lr, it is considered that the capability of transmitting a packet over the air of one of the nodes by Split is worse than the capability of actually shunting, and the reordering timer parameter should be increased, for example, by increasing the notch of the reordering timer, the receiving window is enlarged to adapt to the unbalanced condition.
Step S304, when the reordering timer parameter is adjusted to be larger and the reordering timer parameter is determined to reach the first preset threshold, the packet discarding rate of the first transmission path and the second transmission path of the PDCP is compared, and the coding efficiency parameter of the adaptive modulation coding AMC of the transmission path with higher packet discarding rate is adjusted to be smaller.
Illustratively, on the basis of step 303, when it is determined that the reordering timer parameter reaches a first preset threshold, where the first preset threshold refers to a maximum parameter value preset by the reordering timer, the packet dropping rates of the first transmission path and the second transmission path of the PDCP are compared, and the coding efficiency parameter of the adaptive modulation coding AMC of the transmission path with the higher packet dropping rate is adjusted to be smaller, for example, the coding efficiency of the adaptive modulation coding AMC is reduced by controlling the transmission path with the higher packet dropping rate.
Or, when the reordering timer parameter does not reach the first preset threshold and the packet discard rate in the continuous period is determined to be greater than the preset packet discard rate threshold, comparing the packet discard rates of the first transmission path and the second transmission path of the PDCP, and reducing the coding efficiency parameter of the adaptive modulation coding AMC of the transmission path with the higher packet discard rate.
For example, on the basis of step 303, when it is determined that the reordering timer parameter does not reach the first preset threshold, but it is determined that the packet discard rate in the continuous period is greater than the preset packet discard rate threshold, the packet discard rates of the first transmission path and the second transmission path of the PDCP are compared, and the coding efficiency parameter of the adaptive modulation coding AMC of the transmission path with the higher packet discard rate is reduced, for example, the coding efficiency of the adaptive modulation coding AMC is reduced by controlling the transmission path with the higher packet discard rate.
It should be noted that, if the packet discarding rate is greater than 0 and less than or equal to the preset packet discarding rate threshold Lr, it is considered that the current data flow is uniform, and the current reordering timer parameter should be kept unchanged to maintain the current flow.
It should be appreciated that various implementations of the methods provided by the embodiments of the present invention can be combined arbitrarily to achieve different technical effects.
In practical application, the method for data offloading provided by the embodiment of the present invention is executed at the PDCP receiving end. . The data offloading method provided by the embodiment of the present invention is further described below by taking a specific configuration scenario as an example.
Example one:
as shown in fig. 2, the reordering timer parameter and the splitting threshold parameter are adjusted according to the packet loss rate information.
Specifically, the reordering timer parameter and the distribution threshold parameter are adjusted according to the packet loss rate information, and specifically, the reordering timer and the uplink distribution threshold can be dynamically adjusted through statistics of the packet loss rate to achieve the purpose of reasonably balancing uplink distribution. For example, when the packet discarding rate is too large, the adaptation is performed by increasing the gear of the reordering timer on the base station side and raising the uplink shunting threshold; when the packet abandon rate is too small, the adaptation is carried out by reducing the gear of the reordering timer at the base station side and reducing the uplink shunt threshold.
And starting an uplink packet abandon rate detection timer and detecting the packet abandon rate.
When the packet discarding rate is greater than 0 and less than or equal to the packet discarding rate threshold, maintaining the current reordering timer parameter;
when the packet discarding rate is equal to 0, reducing the parameter of the reordering timer;
and when the packet abandoning rate is greater than the packet abandoning rate threshold, the parameter of the reordering timer is increased.
And when the packet discarding rate is greater than 0 and less than or equal to the packet discarding rate threshold Lr, determining that the current data is evenly shunted, and maintaining the current PDCP reordering timer gear, namely maintaining the current flow.
When the packet discarding rate is equal to 0, it is considered that the bearing empty port of one node of the Split bearing is good, and the receiving window is reduced by reducing the gear of the reordering timer to efficiently utilize the wireless resources.
When the packet discarding rate is greater than the packet discarding rate threshold Lr, it is considered that the empty packet sending capability of one of the nodes carried by Split is worse than the actual shunting capability, and the receiving window is enlarged to adapt to the unbalanced condition by increasing the position of the reordering timer.
And under the condition that the packet abandon rate is equal to 0 and the reordering timer parameter is reduced, reducing the shunt threshold and sending a reconfiguration message to the user terminal when the packet abandon rate in the continuous period is continuously 0.
And during shunting, recording the times of packet abandon rate of 0, and when the packet abandon rate in a continuous period is continuously 0, indicating that two wireless resources can be fully utilized, reducing a shunting threshold to improve shunting chances and sending a reconfiguration message to a user terminal.
When the packet abandon rate is larger than the packet abandon rate threshold and the reordering timer parameter is increased, when the reordering timer parameter reaches the maximum, the distribution threshold is configured to infinite infinity, and the reconfiguration message is sent to the user terminal, so that the user terminal stops distributing.
Starting a single-flow detection timer Tsi, restarting shunting when the single-flow detection timer Tsi times out of a preset time threshold Tsingle, setting a shunting threshold as a preset default value and continuing to detect; and when the single-flow detection timer Tsi does not exceed the preset time threshold Tsingle, maintaining the single-flow detection timer Tsi so as to maintain the current flow.
And under the condition that the reordering timer parameter is increased when the packet abandon rate is greater than the packet abandon rate threshold, and when the reordering timer parameter does not reach the maximum and the packet abandon rate in the continuous period is greater than the packet abandon rate threshold, increasing the shunting threshold to reduce the shunting chance and sending the reconfiguration message to the user terminal.
When the rising shunting threshold reaches infinity, sending a reconfiguration message to the user terminal so as to enable the user terminal to stop shunting; and when the rising shunting threshold does not reach infinity, restarting shunting.
Example two:
as shown in fig. 3, the reordering timer parameter and the coding efficiency parameter of the adaptive modulation coding AMC are adjusted according to the packet loss rate information.
Specifically, the coding efficiency of adaptive modulation coding AMC is adjusted through the packet dropping rate of two paths of PDCP to force the uplink to reasonably shunt, for example, in an MR-DC dual connection mode, the aim of forcing the terminal to reduce the shunt flow at the NR side can be achieved by reducing the coding efficiency of the AMC when the NR side discards a packet due to large time delay caused by wireless reasons; on the contrary, the purpose of forcing the terminal to increase the shunt flow on the NR side can be achieved by improving the AMC coding efficiency.
And starting an uplink packet abandon rate detection timer and detecting the packet abandon rate.
When the packet discarding rate is greater than 0 and less than or equal to the packet discarding rate threshold, maintaining the current reordering timer parameter;
when the packet discarding rate is equal to 0, reducing the parameter of the reordering timer;
and when the packet abandoning rate is greater than the packet abandoning rate threshold, the parameter of the reordering timer is increased.
And when the packet discarding rate is greater than 0 and less than or equal to the packet discarding rate threshold Lr, determining that the current data is evenly shunted, and maintaining the current PDCP reordering timer gear, namely maintaining the current flow.
When the packet discarding rate is equal to 0, the Split bearing one of the nodes is considered to bear a good air interface, and the receiving window is reduced by reducing the gear of the reordering timer to efficiently utilize the wireless resources.
When the packet discarding rate is greater than the packet discarding rate threshold Lr, it is considered that the empty packet sending capability of one of the nodes carried by Split is worse than the actual shunting capability, and the receiving window is enlarged to adapt to the unbalanced condition by increasing the position of the reordering timer.
Under the condition that the packet discarding rate is equal to 0 and the reordering timer parameter is adjusted to be small, when the packet discarding rate in the continuous period is continuously 0, the two PDCP paths are controlled to promote the coding efficiency parameter of the adaptive modulation coding AMC, so as to force the user terminal to send more messages.
And under the condition that the reordering timer parameter is adjusted to be larger when the packet discarding rate is larger than the packet discarding rate threshold, controlling the transmission path with higher PDCP packet discarding rate to reduce the coding efficiency parameter of the adaptive modulation coding AMC when the reordering timer parameter reaches the maximum.
And under the condition that the reordering timer parameter is adjusted to be larger when the packet discarding rate is larger than the packet discarding rate threshold, when the reordering timer parameter is not maximum and the packet discarding rate in the continuous period is larger than the packet discarding rate threshold, controlling the transmission path with higher packet discarding rate of the PDCP to reduce the coding efficiency parameter of the adaptive modulation coding AMC.
And when the reordering timer is judged not to reach the maximum level and the packet discarding rate exceeds the packet discarding rate threshold in the continuous period, informing the PDCP that the transmission path with the higher packet discarding rate reduces the coding efficiency parameter of the adaptive modulation coding AMC.
It should be noted that the first and second embodiments of the present invention can be used simultaneously, i.e. the reordering timer and the split threshold can be adjusted and the coding efficiency of AMC can be adjusted simultaneously by detecting the packet dropping rate.
It should be noted that the adaptive reordering timer of the present invention is also applicable to downlink services, and when receiving a service with uneven distribution, the terminal side may also adaptively adjust the reordering timer according to the packet dropping rate, or when the base station detects that the terminal has a packet loss, the base station notifies the user terminal to modify the reordering timer through a reconfiguration message.
In summary, the invention is based on the MR-DC dual-connection architecture, and can achieve the purpose of optimal utilization of radio resources by dynamically adjusting parameters, aiming at the problem that the uplink terminal side shunting base station side cannot control. Specifically, the PDCP adjusts the reordering timer adaptively at the receiving end, and the adaptive adjustment is a method for dealing with uneven Split of Split bearer by adjusting the Split threshold and the AMC adaptively, so that the air interface resource is effectively utilized, and the purpose of combining two radio resources with optimal gain is achieved.
As shown in fig. 4, an embodiment of the present invention further provides an electronic device.
Specifically, the electronic device includes: one or more processors and memory, one processor and memory being exemplified in fig. 4. The processor and memory may be connected by a bus or other means, such as by a bus in FIG. 4.
The memory, which is a non-transitory computer readable storage medium, may be used to store a non-transitory software program and a non-transitory computer executable program, such as the method of data splitting in the embodiments of the present invention described above. The processor implements the method of data splitting in the above-described embodiments of the present invention by running a non-transitory software program and a program stored in the memory.
The memory may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data and the like required to execute the method of data splitting in the embodiment of the present invention described above. Further, the memory may include high speed random access memory, and may also include non-transitory memory, such as at least one disk storage device, flash memory device, or other non-transitory solid state storage device. In some embodiments, the memory optionally includes memory located remotely from the processor, and these remote memories may be connected to the terminal over a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The non-transitory software program and the program required for implementing the method for data offloading in the foregoing embodiments of the present invention are stored in a memory, and when being executed by one or more processors, the method for data offloading in the foregoing embodiments of the present invention is executed, for example, the method steps 100 to 200 in fig. 1, 201 to 207 in fig. 2, and 301 to 304 in fig. 3 described above are executed, and packet dropping rate information is obtained, and a reordering timer parameter is adjusted according to the packet dropping rate information, so that a problem that radio resources cannot be fully utilized due to uneven offloading in an uplink offloading (i.e., a scenario of offloading on a terminal side) in a scenario of dual connectivity can be solved, and an objective of achieving optimal utilization of radio resources by dynamically adjusting the parameter can be achieved.
In addition, the embodiment of the invention also provides a computer readable storage medium, the computer readable storage medium stores a computer executable program, the computer executable program is executed by one or more control processors, e.g., by one of the processors in figure 4, the one or more processors may be caused to perform the method of data splitting in the embodiments of the invention described above, for example, the above-described method steps 100 to 200 in fig. 1, method steps 201 to 207 in fig. 2, the method in fig. 3 includes steps 301 to 304, obtaining the packet discard rate information, and adjusting the reordering timer parameter according to the packet discard rate information, therefore, the problem that the wireless resources cannot be fully utilized due to uneven distribution of uplink distribution (namely, the distribution scene at the terminal side) in a double-connection scene can be solved, and the purpose of optimally utilizing the wireless resources by dynamically adjusting parameters is achieved.
One of ordinary skill in the art will appreciate that all or some of the steps, systems, and methods disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable programs, data structures, program modules or other data, as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable programs, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the foregoing and various other changes, omissions and deviations in the form and detail thereof may be made without departing from the scope of this invention.
Claims (11)
1. A method for data offloading is applied to a side of a Packet Data Convergence Protocol (PDCP) network element, and the method comprises the following steps:
obtaining packet discarding rate information;
and adjusting the parameter of a reordering timer according to the packet discarding rate information.
2. The method of claim 1, wherein the adjusting a reordering timer parameter according to the packet loss rate information comprises:
and when the packet abandon rate is equal to 0, reducing the reordering timer parameter.
3. The method of claim 2, further comprising:
and when the reordering timer parameter is reduced and the packet abandon rate in the continuous period is determined to be 0 continuously, reducing the shunt threshold parameter.
4. The method of claim 1, wherein the adjusting a reordering timer parameter according to the packet loss rate information comprises:
and when the packet abandoning rate is greater than a preset packet abandoning rate threshold, increasing the reordering timer parameter.
5. The method of claim 4, further comprising:
and when the reordering timer parameter is increased and the reordering timer parameter is determined to reach a first preset threshold, configuring the shunting threshold parameter as infinity.
6. The method of claim 4, further comprising:
and when the reordering timer parameter does not reach a first preset threshold and the packet abandon rate in the continuous period is determined to be greater than a preset packet abandon rate threshold, increasing the shunt threshold parameter.
7. The method of claim 5 or 6, further comprising:
when the shunting threshold parameter reaches infinity, starting a single-flow detection timer;
and when the single-flow detection timer exceeds a second preset threshold, configuring the shunting threshold parameter as a preset default value.
8. The method of claim 2, further comprising:
and when the reordering timer parameter is reduced and the packet discarding rate in the continuous period is determined to be continuously 0, the coding efficiency parameter of the adaptive modulation coding AMC of the first transmission path and the second transmission path of the PDCP is increased.
9. The method of claim 4, further comprising:
when the reordering timer parameter is increased and the reordering timer parameter is determined to reach a first preset threshold, comparing packet discarding rates of a first transmission path and a second transmission path of the PDCP, and reducing a coding efficiency parameter of an Adaptive Modulation Coding (AMC) of the transmission path with a higher packet discarding rate; or
And when the reordering timer parameter is increased, determining that the reordering timer parameter does not reach a first preset threshold, and the packet discard rate in the continuous period is greater than a preset packet discard rate threshold, comparing the packet discard rates of the first transmission path and the second transmission path of the PDCP, and decreasing the coding efficiency parameter of the adaptive modulation coding AMC of the transmission path with higher packet discard rate.
10. An electronic device, comprising: memory, processor and computer program stored on the memory and executable on the processor, characterized in that the processor implements the method of data splitting according to any of claims 1 to 9 when executing the computer program.
11. A computer-readable storage medium, wherein the computer-readable storage medium stores a computer-executable program, and the computer-executable program is used for causing a computer to execute the data offloading method according to any one of claims 1 to 9.
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| CN202010458961.2A CN113747445A (en) | 2020-05-27 | 2020-05-27 | Data distribution method, electronic equipment and computer readable storage medium |
| PCT/CN2021/087500 WO2021238488A1 (en) | 2020-05-27 | 2021-04-15 | Data offloading method, electronic device, and computer-readable storage medium |
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| CN202010458961.2A CN113747445A (en) | 2020-05-27 | 2020-05-27 | Data distribution method, electronic equipment and computer readable storage medium |
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| US10397754B2 (en) * | 2015-08-06 | 2019-08-27 | Qualcomm Incorporation | Packet data convergence protocol reordering with enhanced component carriers |
| CN107592329B (en) * | 2016-07-08 | 2021-01-22 | 电信科学技术研究院 | Data processing method and device |
| CN109729583B (en) * | 2017-10-27 | 2021-06-25 | 维沃移动通信有限公司 | Wireless resource allocation method, base station and user terminal |
| CN109462872B (en) * | 2018-11-23 | 2022-04-08 | 武汉虹信科技发展有限责任公司 | Data distribution method, device and communication system |
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