WO2019095805A1

WO2019095805A1 - Congestion control method, terminal and computer-readable storage medium

Info

Publication number: WO2019095805A1
Application number: PCT/CN2018/104945
Authority: WO
Inventors: 李晨鑫; 赵锐; 赵丽; 冯媛; 林琳
Original assignee: 电信科学技术研究院有限公司
Priority date: 2017-11-17
Filing date: 2018-09-11
Publication date: 2019-05-23
Also published as: CN109803313B; CN109803313A; TWI707595B; TW201924381A

Abstract

Provided are a congestion control method, a terminal and a computer-readable storage medium. The method comprises: acquiring measured values of congestion parameters on a plurality of carriers; according to the measured values of the congestion parameters, selecting a first type of carriers where a terminal currently sends services and where congestion occurs; and re-selecting carriers for service packages sent by the terminal on the first type of carriers, and/or adjusting the size of the service packages, on the first type of carriers, from the terminal.

Description

Congestion control method, terminal and computer readable storage medium

Cross-reference to related applications

The present application claims priority to Chinese Patent Application No. 201711145785.1, filed on Jan. 17, 2011, in

Technical field

The present disclosure relates to the field of congestion control technologies, and in particular, to a congestion control method, a terminal, and a computer readable storage medium.

Background technique

In the current 3GPP protocol version, Long Term Evolution (LTE)-Vehicle-to-X (V2X), that is, LTE-V2X, performs service transmission on a single carrier, does not support carrier aggregation, and is congested. Control is done at the granularity of the resource pool.

From the perspective of receiving, the channel busy ratio (CBR) of the sending resource pool (including the common transmission resource pool and the exception pool) is measured, indicating that the receiving node receives the sensing. The resource usage of each sending resource pool.

According to the relevant protocol, if the transmitting device (User Equipment, UE) has a transport block (TB) to be transmitted in n+4 subframes, CBR measurement is required in n subframes, and the time window for performing CBR measurement is [n]. -100, n-1], the duration is a fixed 100ms. In CBR processing, each subframe is a physical subframe.

The Received Signal Strength Indicator (RSSI) threshold of the CBR measurement direct link (Sidelink), that is, the S-RSSI, is a range of the value range of the physical layer of the Psical Sidelink Share Channel (PSSCH). It is [-112,-22] dBm and the particle size is 2 dB. According to the S-RSSI threshold of the (pre)configured subchannel granularity, the S-RSSI of the subchannel including the PSSCH in the [n-100, n-1] time window is measured, and the number of subchannels exceeding the threshold is calculated. The ratio of the total number of subchannels in 100 ms, which is recorded as the CBR result of the PSSCH of the transmission pool.

The congestion control mechanism in the related art, when the CBR exceeds the threshold, usually performs the following adjustments on a single resource pool:

· Adjust the transmission power;

· Adjust the number of retransmissions;

Adjust the number of PSSCH subchannels;

Adjust the value of the Modulation and Coding Scheme (MCS);

• Adjust the maximum value of the channel occupancy threshold (CRlimit).

From the perspective of the sender, the channel occupancy ratio (CR) of the common transmission resource pool and the exception pool is evaluated within 1000 ms, and the ratio of the transmission resources of the node to the common transmission resource pool or the exception pool is known. CR determines whether the configured CRlimit is exceeded or not, so that the transmission parameters are adjusted.

If the transmitting terminal has a TB that needs to be transmitted in n+4 subframes, CR measurement needs to be performed in n subframes. The time window for performing CBR measurement is [n-a, n+b], and the duration is fixed 1000ms. The time window is divided into two parts, wherein the [n-a, n-1] part corresponds to the sub-channel that the local node has already transmitted, and the [n, n+b] part corresponds to the sub-channel that the local node will occupy. Here, a is a positive integer, b is 0 or a positive integer; a and b are determined by the terminal implementation, and a+b+1=1000, a>=500, n+b cannot exceed the reservation of the last transmission opportunity for this transmission. time. Then calculate the number of subchannels occupied by the node in these two parts, occupying the proportion of the total number of subchannels in the entire time window [n-a, n+b], and record the ratio as the CR result of the sending pool. In CR processing, each subframe is a physical subframe.

CR processing can be measured at the granularity of each ProSe Per-Packet Priority (PPPP). Based on the PPPP of each service package, the measured CR needs to satisfy the following relationship:

Where k is the PPPP of the current service packet, and i is a PPPP with a higher priority than the current service packet PPPP (i is smaller than k).

When sent, how to handle the CRlimit limit is met, depending on the UE implementation. For example, in order to meet the CRlimit limit, packet loss processing can be performed at the time of transmission.

Therefore, there is a need for a congestion control mechanism in a multi-carrier case to implement congestion control based on carrier adjustment or segmentation service packet adjustment under multiple carriers, and to ensure reliability of service packet transmission on each carrier.

Summary of the invention

The technical problem to be solved by the embodiments of the present disclosure is to provide a congestion control method, a terminal, and a computer readable storage medium, which implement congestion control based on carrier adjustment or segmentation service packet adjustment under multiple carriers, and improve reliability of service packet transmission. .

To solve the above technical problem, an embodiment of the present disclosure provides a congestion control method, including:

Obtaining measurements of congestion parameters on multiple carriers;

Determining, according to the measured value of the congestion parameter, a first type of carrier that is currently performing service transmission and congestion occurs;

Reselecting a carrier for a service packet sent by the terminal on the first type of carrier, and/or adjusting a size of a service packet of the terminal on the first type of carrier.

An embodiment of the present disclosure further provides a terminal, including: a transceiver, a memory, a processor, and a computer program stored on the memory and operable on the processor;

The processor is configured to read a program in the memory, and perform the following process: acquiring a measurement value of a congestion parameter on multiple carriers; and selecting, according to the measurement value of the congestion parameter, that the terminal currently sends a service and occurs Congested first type carrier; reselecting a carrier for a service packet sent by the terminal on the first type of carrier, and/or adjusting a size of a service packet of the terminal on the first type of carrier;

The transceiver is configured to send a service packet on a corresponding carrier.

The embodiment of the present disclosure further provides another terminal, including:

Obtaining a unit, acquiring measurement values of congestion parameters on multiple carriers;

a selecting unit, configured to select, according to the measured value of the congestion parameter, a first type of carrier that is currently performing service transmission and congestion occurs;

The congestion processing unit is configured to reselect a carrier for the service packet sent by the terminal on the first type of carrier, and/or adjust a size of the service packet of the terminal on the first type of carrier.

Embodiments of the present disclosure also provide a computer readable storage medium having stored thereon a computer program that, when executed by a processor, implements the steps of the congestion control method as described above.

Compared with the related art, the congestion control method, the terminal, and the computer readable storage medium provided by the embodiments of the present disclosure implement congestion control based on carrier adjustment or segmentation service packet adjustment under multiple carriers, and improve reliability of service packet transmission. . Moreover, in the triggering process of carrier reselection, the embodiment of the present invention selects a carrier that transmits on the same time domain resource for avoiding the half-duplex effect, and designs a mechanism for simultaneously triggering carrier reselection, and in the resource selection. Ensuring the original time domain resource ratio can avoid causing more serious half-duplex effects.

DRAWINGS

In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings to be used in the description of the embodiments of the present disclosure will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present disclosure. Other drawings may also be obtained from those of ordinary skill in the art based on these drawings without the inventive labor.

FIG. 1 is a flowchart of a congestion control method according to an embodiment of the present disclosure;

FIG. 2 is a schematic diagram of a scenario of Example 1 according to an embodiment of the present disclosure;

FIG. 3 is a schematic diagram of a scenario of Example 2 according to an embodiment of the present disclosure;

FIG. 4 is a schematic diagram of another scenario of Example 2 according to an embodiment of the present disclosure;

FIG. 5 is a schematic structural diagram of a terminal according to an embodiment of the present disclosure;

FIG. 6 is another schematic structural diagram of a terminal according to an embodiment of the present disclosure.

Detailed ways

The technical problems, the technical solutions, and the advantages of the present invention will be more clearly described in conjunction with the accompanying drawings and specific embodiments. In the following description, specific details such as specific configurations and components are provided only to assist in a comprehensive understanding of the embodiments of the present disclosure. It will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the disclosure. In addition, descriptions of well-known functions and constructions are omitted for clarity and conciseness.

It is to be understood that the phrase "one embodiment" or "an embodiment" or "an" or "an" Thus, "in one embodiment" or "in an embodiment" or "an" In addition, these particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

In the various embodiments of the present disclosure, it should be understood that the size of the serial numbers of the following processes does not mean the order of execution, and the order of execution of each process should be determined by its function and internal logic, and should not be implemented by the present disclosure. The implementation of the examples constitutes any limitation.

The congestion control mechanism in the related art has the following problems:

(1) The congestion control mechanism in the related art is to measure and adjust the internals of the resource pool based on the granularity of the resource pool, and to limit the service transmission conditions in the case of congestion, and to reduce the reliability of service transmission to a certain extent;

(2) In the case of multi-carrier transmission in the related art, the congestion control mechanism cannot perform joint adjustment in consideration of the situation between carriers or the case where each carrier transmits a service packet.

At the 3GPP RAN #74 conference, it was determined to introduce a carrier aggregation technique in V2X. For each segmented service packet transmitted on multiple carriers, the upper layer determines the transmission carrier for each segmented service packet by using the CBR information reported by the physical layer, and the corresponding relationship between the V2X service and the frequency band, and then the physical layer. The resource selection process of the Sensing + Semi-Persistent Scheduling (SPS) process reports the 20% of the available resources with the lowest received signal strength (RSSI) to the Medium Access Control (MAC) layer. The MAC layer selects to send the resource.

V2X carrier aggregation supports multi-carrier transmission service packet scenarios, which can include the following two types:

1. mutually independent service packets are sent on different carriers;

2. Segmented service packets from the same service packet are sent on different carriers.

When V2X service transmission is performed on multiple carriers, if congestion occurs on one or more carriers, corresponding congestion control is required. Since transmission is performed on multiple carriers, it is necessary to comprehensively consider the congestion of multiple carriers for adjustment. At the same time, for the second scenario above, if congestion occurs on a certain carrier, reducing the transmission power or reducing the number of retransmissions, the reliability of transmitting the segmented service packets on the congested carrier is reduced; If the maximum value of the CRlimit causes the CR to exceed the threshold, packet loss processing is performed on the congested carrier. For a segmented service packet transmitted at the same time, if the segmented service packet transmitted on any one of the carriers cannot be successfully received by the receiving end, even if other service packets are successfully received, the receiving end cannot successfully merge the segments before the transmitting end segment. Big business package.

Referring to FIG. 1 , an embodiment of the present disclosure provides a congestion control method, which can be applied to a terminal, in particular, a V2X terminal that supports carrier aggregation. As shown in FIG. 1 , the method includes:

Step 11: Acquire measurement values of congestion parameters on multiple carriers.

As an implementation manner, the foregoing congestion parameters may include, but are not limited to, CBR measurement values and/or CR measurement values. For example, the terminal reports the measurement value of the congestion parameter on each carrier to the upper layer (including but not limited to the medium access MAC layer, the radio link control layer (RLC), and the packet in the multi-carrier transmission process. The data aggregation protocol layer (PDCP) and the radio resource control layer (RRC), etc., please specify which layers can be used. The above carriers include all carriers or terminals that can be supported by the terminal's own capabilities. All carriers that are transmitting service packets.

Step 12: Select, according to the measured value of the congestion parameter, a first type of carrier that is currently performing service transmission and congestion occurs.

Here, the terminal determines, according to whether the measured value of the congestion parameter satisfies a preset congestion occurrence condition, to determine a first type of carrier in which the terminal currently performs service transmission and is congested. Specifically, the upper layer of the terminal may select, according to the measured value of the congestion parameter, a first type of carrier that the terminal currently performs service transmission and is congested. Here, a condition for determining congestion of a certain carrier, including but not limited to:

On the current carrier, the CBR measurement value exceeds the corresponding threshold in all resource pools for which congestion control measurement is available; or

On the current carrier, in all the resource pools available for the terminal to perform congestion control measurement, the CR measurement value exceeds the corresponding threshold; or

On the current carrier, all the resource pools used by the terminal for congestion control measurement exceed the corresponding threshold value, and the CR measurement values also exceed the corresponding threshold.

Further, in the foregoing step 12, the terminal may also select a third type of carrier that the terminal currently performs service transmission and does not cause congestion. Here, the third type of carrier does not have congestion, that is, the third type of carrier does not. The pre-set congestion judging condition is satisfied, that is, the remaining carriers after the first type of carrier is removed from all carriers in which the terminal currently performs service transmission, that is, the third type of carrier.

Step 13: Reselect a carrier for a service packet sent by the terminal on the first type of carrier, and/or adjust a size of a service packet of the terminal on the first type of carrier.

Here, when the terminal is congested on the first type of carrier, the related embodiments need to perform related congestion processing. Specifically, the implementation of the congestion processing may be performed by performing carrier reselection on the service packet sent by the first type of carrier, that is, stopping the terminal from transmitting a service packet on the first type of carrier, and The terminal sends a service packet on the first type of carrier, and transfers to the reselected carrier for transmission.

Another implementation of the congestion processing is to adjust the size of the service packet of the terminal on the first type of carrier. Of course, in addition to adjusting the service packets on the first type of carrier, the embodiments of the present disclosure may also adjust the service packets on other carriers. Specific adjustment methods include, but are not limited to, reducing the size of the service packet on the first type of carrier, increasing the size of the service packet on all or part of the third type of carrier, and the like.

As a further implementation of the congestion processing, the size of the service packet of the terminal on the first type of carrier may be adjusted, and the service packet sent by the terminal on the first type of carrier may be re-established. Select the carrier.

It should be noted that, in the implementation manner of the foregoing congestion processing, the congestion processing may be performed on a part of carriers or all carriers in the first type of carrier, so that congestion of part or all of the original congestion service packet may be improved, the original congestion. A service packet refers to a service packet that the terminal originally transmits on the first type of carrier before congestion processing. After the congestion processing, the original congestion service packet may continue to be transmitted on the original first type carrier, or may be sent on the other carriers after the re-sequence.

Through the above steps, the congestion control method provided by the embodiment of the present disclosure implements congestion control based on carrier adjustment or segmentation service packet adjustment under multiple carriers, and improves reliability of service packet transmission.

The congestion processing of the embodiment of the present disclosure will be described below by several more specific examples.

Example 1:

In the foregoing step 13, when the carrier is reselected for the service packet sent by the terminal on the first type of carrier, the following may be specifically implemented as follows:

1) for the first service packet sent on the first type of carrier, the terminal stops sending the first service packet on the first type of carrier, where the first service packet is a segment service packet or a non- Segmented business package.

Here, the segmentation service packet means that the same service packet is subjected to segmentation processing, and is divided into a plurality of parts, and each part is a segmentation service package. A non-segmented service package is a service package that is not segmented.

2) reselecting a transmission carrier of the first service packet from a second type of carrier, where the second type of carrier includes: a carrier that does not currently perform service transmission and does not cause congestion, and the terminal currently performs A carrier that transmits but does not reach the upper limit of the maximum number of service transmission processes configured or pre-configured by the network side and does not experience congestion.

3) Select a transmission resource of the first service packet from the transmission carrier.

Here, the manner of selecting the transmission resource may be referred to the existing standard, or other implementation manners different from the existing standard may be used, and the embodiment of the present disclosure does not limit this.

4) transmitting, by the sending resource of the sending carrier, the first service packet.

FIG. 2 shows a specific scenario of the above example 1. The small rectangular block in which the TX in FIG. 2 represents the location of the time domain resource for transmitting the service packet. The terminal performs service transmission on carrier 1 and carrier 2, and carrier 3 and carrier 4 are carriers in which the terminal does not currently perform service transmission and does not experience congestion. Congestion occurs on carrier 2, and the terminal can reselect the transmission carrier of the service packet on carrier 2 from carrier 3 and carrier 4 by carrier reselection. In FIG. 2, carrier 3 is reselected as the service on carrier 2. The carrier of the packet is transmitted, so that the service packet of the terminal on the carrier 2 is transferred to the carrier 4 for transmission, which avoids the use of the congested carrier for transmission, and can improve the reliability of the service transmission.

In the first example, in the case where multi-carrier transmission is performed, it is possible to transmit using multiple carriers according to carrier aggregation, and congestion control is performed by carrier adjustment in congestion control, and transmission reliability is improved.

Example 2:

1) determining, by the first service packet sent on the first type of carrier, whether a third service packet exists in the first service packet, where the third service packet is in the same time domain location as the first service packet. And a second service packet, where the second service packet is a service packet sent by the terminal on a third type of carrier, and the third type of carrier is a carrier that is currently sent by the terminal and is not congested.

2) determining a reselection service packet that needs to perform carrier reselection, wherein if there is a third service packet, the reselection service packet includes a first service packet and a third service packet; if the third service packet does not exist, The reselection service package includes the first service package.

3) From the second type of carrier, reselecting different transmission carriers for each reselection service packet, and selecting a transmission resource from the transmission carrier, where the second type of carrier includes: the terminal is not currently performing service transmission. The carrier that is not congested, and the carrier that is currently transmitting the service but does not reach the upper limit of the maximum number of service transmission processes configured or pre-configured by the network side and does not cause congestion.

Here, as an implementation manner, when an association group exists in the reselection service packet, the available resources in the same time domain location on different transmission carriers are reselected as the transmission resource for each service packet in the same association group; The association group includes at least two service packets that are sent in the same time domain location before reselecting the carrier.

Figure 3 shows a specific scenario of this implementation. The small rectangular block in which the TX is located in Figure 3 represents the location of the time domain resource from which the service packet is sent. It is assumed that the time domain location of the service packets transmitted by the terminal on carrier 2 and carrier 3 is the same, and carrier 2 is congested. According to the definition of the association group, the service packets sent by the terminal on carrier 2 and carrier 3 constitute an association group. It is assumed that after reselecting the carrier, carrier 4 is reselected for transmission for the first reselected service packet of the carrier 2, and carrier 4 is reselected for transmission for the second reselected service packet of the carrier 3. According to the foregoing implementation manner, the time domain location sent by the first reselection service packet on the carrier 4 is still the same as the time domain location sent by the second reselection service packet on the carrier 5. The dotted rectangular box in Figure 3 represents an example of the time domain location of the service packet on the reselected carrier.

As another implementation manner, the number of association groups after the reselection carrier may be determined according to the same association group configuration as before the reselection carrier, and the number of service packets in each association group is the same association after the reselection carrier. Each service packet in the group selects available resources of the same time domain location on different transmission carriers as the transmission resource. The association group configuration includes the number of association groups and the number of service packets in each association group.

FIG. 4 shows a specific scenario of the implementation. The small rectangular block in which the TX in FIG. 4 represents the location of the time domain resource for transmitting the service packet. It is assumed that the terminal transmits traffic on carrier 1, carrier 2 and carrier 3, wherein the time domain locations of the service packets of carrier 2 and carrier 3 are the same, and congestion occurs on both carrier 1 and carrier 2, according to the definition of the association group. The service packets sent by the terminal on the carrier 2 and the carrier 3 constitute an association group, and at this time, an association group is included, and the association group includes service packets of two carriers, which are service packets of carrier 2 and carrier 3. It is assumed that after reselecting a carrier, carrier 4 is reselected for transmission of the first reselected service packet of the carrier 1; for the second reselected service packet of the carrier 2, carrier 5 is reselected for transmission; The third reselection service packet of the carrier 3 is reselected by the carrier 6 for transmission. According to the foregoing implementation manner, only the number of association groups before and after reselection and the number of service packets in the association group are the same. Yes, the same association group service package is no longer required to belong to the same association group after reselection. For example, after reselection in Figure 4, the traffic packets of carrier 4 and carrier 5 form an association group. That is to say, after the reselection, the service packets of the same association group may no longer belong to the same association group. For example, the original association group in FIG. 4 is the service packet of carrier 2 and carrier 3, and after reselection, respectively, on carrier 5 and The carrier 6 transmits on the carrier 6, and after the reselection, the time domain locations of the service packets on the carrier 5 and the carrier 6 are different.

4) Send a corresponding reselection service packet on the transmission resource of the transmission carrier.

In the second example, in the triggering process of carrier reselection, a carrier that transmits on the same time domain resource is selected for avoiding the half-duplex effect, and a mechanism for simultaneously triggering carrier reselection is designed, and in the resource selection. Ensure the original time domain resource ratio to avoid more serious half-duplex effects.

Example 3:

In the foregoing step 13, when the service packet on the first type of carrier is a segmented service packet, when the size of the service packet of the terminal on the first type of carrier is adjusted, the following may be implemented in the following manner: :

1) Adjust a transmission parameter of the first type of carrier, and determine an adjusted transmission resource of the first type of carrier.

Here, the transmission parameters of the first type of carrier are adjusted, including but not limited to one or more of the following adjustment methods: adjusting transmission power on the first type of carrier; adjusting the number of retransmissions on the first type of carrier; adjusting The number of PSSCH subchannels on the first type of carrier; the value of the MCS on the first type of carrier is adjusted; the maximum value of the CRlimit on the first type of carrier is adjusted.

2) re-segmenting the service packets sent on the first type of carrier and the third type of carrier according to the adjusted transmission resource of the first type of carrier and the transmission resource of the third type of carrier, where The three types of carriers are carriers in which the terminal currently performs service transmission and no congestion occurs.

3) The segmented service packet to be re-segmented is transmitted on the corresponding first type carrier and third type carrier.

In the example 3, for the case where the segmented service packet is transmitted for multiple carriers, the service packet is re-segmented according to the congestion level of the congested carrier and the existing resources on the uncongested carrier, and the segmentation service on part of the carrier is avoided. Packet reliability is degraded and the fragmentation of the fragmentation cannot be achieved.

Example 4:

In the foregoing step 13, when the service packet on the first type of carrier is a segmented service packet, when the carrier is reselected for the service packet sent by the terminal on the first type of carrier, the following may be specifically Way to achieve:

1) determining a first number of carriers of the second type, the second type of carrier includes: a carrier that does not currently perform service transmission and does not cause congestion, and the terminal currently performs service transmission but does not reach the network side Configured or pre-configured carriers with the maximum number of service transmission processes and no congestion.

2) selecting a second number of carriers to be reselected from the first type of carriers, and using the remaining carriers as carriers to be segmented, wherein the second quantity is the smaller one of the first quantity and the third quantity, The third number is the number of carriers of the first type.

3) stopping, for the first service packet sent on the to-reselected carrier, sending the first service packet of the first service on the to-reselected carrier, and for each carrier to be reselected The first service packet selects a corresponding second type carrier as the transmission carrier of the first service packet, and selects a transmission resource to send. as well as,

4) adjusting a transmission parameter of the to-be-segmented carrier, and determining an adjusted transmission resource of the to-be-segmented carrier; according to the adjusted transmission resource of the to-be-segmented carrier and a transmission resource of a third type of carrier, The third type of carrier and the service packet sent on the to-be-segmented carrier are re-segmented; the re-segmented segmented service packet is sent on the corresponding to-segment carrier and the third-type carrier, The third type of carrier is a carrier that the terminal currently performs service transmission and does not cause congestion.

In the fourth example, the carrier reselection and the service packet re-segmentation processing are adopted at the same time, the reliability of the service transmission is improved, and the reliability of the segmentation service packet on the partial carrier is reduced, and the fragmentation of the segmentation package cannot be realized.

Example 5:

3) stopping, for the first service packet sent on the to-reselected carrier, sending the first service packet on the to-reselected carrier, and selecting a corresponding one for each of the to-reselected carriers The second type of carrier serves as a transmission carrier of the first service packet.

4) Adjusting a transmission parameter of the to-be-segmented carrier, and determining an adjusted transmission resource of the to-be-segmented carrier.

5) re-segmenting the to-be-segmented carrier, the third-type carrier, and the service packet sent on the sending carrier, to obtain the adjusted service packet on each carrier, and according to the adjusted service packet size, The transmitting resource is selected on the corresponding carrier, and the third type of carrier is a carrier that the terminal currently performs service transmission and does not cause congestion.

6) transmitting the service packets on the adjusted carriers on the corresponding to-segment carrier, the third type carrier, and the transmitting carrier.

In the example 5, the carrier reselection and the service packet re-segmentation processing are also adopted at the same time, which improves the reliability of the service transmission, and avoids the situation that the reliability of the segmentation service packet on the partial carrier is degraded and the segmentation packet is not merged.

Example 6:

3) stopping, for the first service packet sent on the to-reselected carrier, sending a service packet on the to-reselected carrier, and determining whether a third service packet exists in the first service packet, the third The service packet is a second service packet sent in the same time domain location as the first service packet, and the second service packet is a service packet sent by the terminal on the third type of carrier; determining the weight required for carrier reselection Selecting a service package, wherein if there is a third service package, the reselection service package includes a first service package and a third service package; if the third service package does not exist, the reselection service package includes a first service package; From the second type of carrier, a different transmission carrier is reselected for each reselected service packet, and a transmission resource is selected for transmission. The third type of carrier is a carrier that the terminal currently performs service transmission and does not cause congestion. as well as,

4) adjusting a transmission parameter of the to-be-segmented carrier, and determining an adjusted transmission resource of the to-be-segmented carrier; according to the adjusted transmission resource of the to-be-segmented carrier and a transmission resource of a third type of carrier, The service packet sent on the third type of carrier and the to-be-segmented carrier is re-segmented; the re-segmented segmented service packet is sent on the corresponding to-segment carrier and the third-type carrier.

In the sixth example, the carrier reselection and the service packet re-segmentation processing are also adopted at the same time, which improves the reliability of the service transmission, and avoids the situation that the reliability of the segmentation service packet on the partial carrier is degraded and the segmentation packet is not merged.

Example 7:

3) stopping, for the first service packet sent on the to-reselected carrier, sending the first service packet on the to-be-reselected carrier, and determining whether a third service packet exists in the first service packet, The third service packet is a second service packet that is sent in the same time domain location as the first service packet, and the second service packet is a service packet that is sent by the terminal on the third type of carrier; a reselected service package, wherein if there is a third service package, the reselection service package includes a first service package and a third service package; if the third service package does not exist, the reselection service package includes A service packet; from the second type of carrier, a different transmission carrier is reselected for each reselection service packet, and the third type of carrier is a carrier that the terminal currently performs service transmission and does not cause congestion.

5) re-segmenting the to-be-segmented carrier, the third-type carrier, and the service packet sent on the sending carrier, to obtain the adjusted service packet on each carrier, and according to the adjusted service packet size, The transmission resource is selected on the corresponding carrier.

In the seventh example, the carrier reselection and the service packet re-segmentation processing are also adopted at the same time, which improves the reliability of the service transmission, and avoids the situation that the reliability of the segmentation service packet on some carriers is degraded and the segmentation packet is not merged.

In the embodiment of the present disclosure, for a carrier that does not have carrier congestion, but the service packet changes (including but not limited to, the fragmented service packet becomes larger or the service packet before the segment becomes larger), the following processing may also be performed: the physical of the terminal The layer reports the measured value of the congestion parameter to the upper layer, and adjusts the size of each segment service packet by the upper layer through layer-to-layer interaction. At this time, the congestion control method of the embodiment of the present disclosure may further include the following steps:

Step a, according to the measured value of the congestion parameter, selecting a third type of carrier that the terminal currently performs service transmission and does not cause congestion;

Step b, when the service packet on the third type of carrier is a segmentation service packet, and the size of the segmentation service packet changes, according to the congestion parameter of each carrier and the size of the changed segmentation service packet, Re-segmenting the service packet of the service sent on the third type of carrier, and transmitting the re-segmented segmentation service packet on the corresponding third type carrier and/or the second type carrier, The second type of carrier includes a carrier that does not currently perform service transmission and is not congested by the terminal, and the terminal currently performs service transmission but does not reach the upper limit of the maximum number of service transmission processes configured or pre-configured by the network side, and no congestion occurs. Carrier.

Several specific implementations of the congestion control method of embodiments of the present disclosure are provided above. Based on the above methods, embodiments of the present disclosure also provide an apparatus for implementing the above method.

Referring to FIG. 5, an embodiment of the present disclosure provides a terminal, where the terminal 500 includes: a processor 501, a transceiver 502, a memory 503, a user interface 504, and a bus interface, where:

In the embodiment of the present disclosure, the terminal 500 further includes: a computer program stored on the memory 503 and executable on the processor 501, when the computer program is executed by the processor 501, the following steps are performed: acquiring congestion parameters on multiple carriers And measuring, according to the measured value of the congestion parameter, a first type of carrier that is currently performing service transmission and congestion occurs, and reselecting a carrier for the service packet sent by the terminal on the first type of carrier, And/or adjusting a size of the service packet of the terminal on the first type of carrier;

In FIG. 5, the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 501 and various circuits of memory represented by memory 503. The bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein. The bus interface provides an interface. Transceiver 502 can be a plurality of components, including a transmitter and a receiver, providing means for communicating with various other devices on a transmission medium. For different user equipments, the user interface 504 may also be an interface capable of externally connecting the required devices, including but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.

The processor 501 is responsible for managing the bus architecture and general processing, and the memory 503 can store data used by the processor 501 in performing operations.

Optionally, the processor 501 is further configured to read a program in the memory 503, and perform the following process: for the first service packet sent on the first type of carrier, the terminal stops in the first class Transmitting, by the carrier, the first service packet, where the first service packet is a segmentation service packet or a non-segment service packet; and reselecting a transmission carrier of the first service packet from a second type of carrier, the second The class carrier includes: a carrier that does not currently perform service transmission and does not cause congestion, and the terminal currently performs service transmission but does not reach the upper limit of the maximum number of service transmission processes configured or pre-configured by the network side and does not cause congestion. a carrier; selecting a transmission resource of the first service packet from the transmission carrier;

The transceiver 502 is further configured to send the first service packet on a sending resource of the sending carrier.

Optionally, the processor 501 is further configured to read a program in the memory 503, and perform the following process: determining, by using the first service packet sent on the first type of carrier, whether the first service packet exists. a third service packet, where the third service packet is a second service packet sent in the same time domain location as the first service packet, and the second service packet is a service packet sent by the terminal on the third type carrier And the third type of carrier is a carrier that is currently performing service transmission of the terminal and is not congested; and determining a reselection service packet that needs to perform carrier reselection, where the reselection service package includes a first service packet and a third service packet; if there is no third service packet, the reselection service packet includes a first service packet; and from the second type of carrier, different transmission carriers are reselected for each reselection service packet, And selecting, from the sending carrier, a sending resource, where the second type of carrier includes: a carrier that does not currently perform service transmission and does not cause congestion, and the terminal currently sends a service but does not reach the network. The carrier with the upper limit of the maximum number of service transmission processes configured or pre-configured and without congestion;

The transceiver 502 is further configured to send a corresponding reselection service packet on a sending resource of the sending carrier.

Optionally, the processor 501 is further configured to: read a program in the memory 503, and perform the following process: when an association group exists in the reselection service package, reselect each service package in the same association group. The available resources of the same time domain location on different transmitting carriers, as the sending resource; wherein the association group includes at least two service packets that are sent in the same time domain location before reselecting the carrier; or, according to the reselected carrier In the same association group configuration, the number of association groups after the reselection carrier is determined by the number of service packets in each association group, and each service packet in the same association group after the reselection carrier is selected on different transmission carriers. The available resources in the same time domain location are used as the sending resource; wherein the association group configuration includes the number of associated groups and the number of service packets in each associated group.

Optionally, the processor 501 is further configured to: read a program in the memory 503, and perform the following process: adjusting a transmission parameter of the first type of carrier, and determining an adjusted transmission resource of the first type of carrier; And re-segmenting the service packet sent on the first type of carrier and the third type of carrier according to the adjusted transmission resource of the first type of carrier and the transmission resource of the third type of carrier, where the third type The carrier is a carrier that the terminal currently performs service transmission and does not cause congestion;

The transceiver 502 is further configured to send the re-segmented segment service packet on the corresponding first type carrier and the third type carrier.

Optionally, the processor 501 is further configured to read a program in the memory 503, and perform the following process: determining a first quantity of the second type of carrier, where the second type of carrier includes: the terminal is not currently performing services. a carrier that transmits and does not cause congestion, and a carrier that is currently performing service transmission but does not reach the upper limit of the maximum number of service transmission processes configured or pre-configured by the network side and does not cause congestion; and selects from the first type of carrier And a second number of carriers to be reselected, and the remaining carrier is used as a to-be-segmented carrier, where the second quantity is a smaller one of the first quantity and the third quantity, and the third quantity is the first type The number of carriers; for the first service packet sent on the to-reselected carrier, stopping transmitting the first service packet of the first service on the to-reselected carrier, and for each of the to-reselected carriers The first service packet, selecting a corresponding second type carrier as the transmission carrier of the first service packet, and selecting a transmission resource; and adjusting a transmission parameter of the to-be-segmented carrier to determine the adjusted Wait a transmission resource of the segment carrier; re-segmenting the service packet sent by the third type carrier and the carrier to be segmented according to the adjusted transmission resource of the to-be-segmented carrier and the transmission resource of the third type carrier The third type of carrier is a carrier that the terminal currently performs service transmission and does not cause congestion;

The transceiver 502 is further configured to send the first service packet on the selected transmission resource, and the segmented service packet to be re-segmented, on the corresponding carrier to be segmented and the carrier on the third type Send it.

Optionally, the processor 501 is further configured to read a program in the memory 503, and perform the following process: determining a first quantity of the second type of carrier, where the second type of carrier includes: the terminal is not currently performing services. a carrier that transmits and does not cause congestion, and a carrier that is currently performing service transmission but does not reach the upper limit of the maximum number of service transmission processes configured or pre-configured by the network side and does not cause congestion; and selects from the first type of carrier And a second number of carriers to be reselected, and the remaining carrier is used as a to-be-segmented carrier, where the second quantity is a smaller one of the first quantity and the third quantity, and the third quantity is the first type The number of carriers; for the first service packet sent on the to-reselected carrier, stopping sending the first service packet on the to-reselected carrier, and selecting a corresponding one for each of the to-reselected carriers The second type of carrier is used as the transmission carrier of the first service packet; the transmission parameter of the to-be-segmented carrier is adjusted, and the adjusted transmission resource of the to-be-segmented carrier is determined; Three types of loading And the service packet sent on the sending carrier is re-segmented to obtain the adjusted service packet on each carrier, and the sending resource is selected on the corresponding carrier according to the adjusted service packet size, where the third type of carrier is a carrier that the terminal currently performs service transmission and does not cause congestion;

The transceiver 502 is further configured to send the service packets on the adjusted respective carriers on the corresponding to-segment carrier, the third type carrier, and the sending carrier.

Optionally, the processor 501 is further configured to read a program in the memory 503, and perform the following process: determining a first quantity of the second type of carrier, where the second type of carrier includes: the terminal is not currently performing services. a carrier that transmits and does not have congestion, and a carrier that is currently performing service transmission but does not reach the upper limit of the maximum number of service transmission processes configured or pre-configured by the network side and does not cause congestion;

Selecting a second number of carriers to be reselected from the first type of carriers, and using the remaining carriers as carriers to be segmented, wherein the second quantity is a smaller one of the first quantity and the third quantity, The third number is the number of the first type of carriers; for the first service packet sent on the to-reselected carrier, stopping sending a service packet on the to-reselected carrier, and determining the first service packet Whether there is a third service packet, where the third service packet is a second service packet sent in the same time domain location as the first service packet, and the second service packet is sent by the terminal on the third type carrier a service packet; a reselection service packet that needs to perform carrier reselection, wherein if there is a third service packet, the reselection service packet includes a first service packet and a third service packet; if the third service packet does not exist, The reselection service packet includes a first service packet. From the second type of carrier, a different transmission carrier is reselected for each reselection service packet, and a transmission resource is selected, where the third type carrier is a current service transmission of the terminal. And no congestion occurs; And adjusting the transmission parameter of the to-be-segmented carrier, and determining the adjusted transmission resource of the to-be-segmented carrier; according to the adjusted transmission resource of the to-be-segmented carrier and the transmission resource of the third type of carrier, The third type of carrier and the service packet sent on the carrier to be segmented are re-segmented;

The transceiver 502 is further configured to send the reselection service packet on the selected transmission resource, and the re-segmented segmentation service packet on the corresponding to-segment carrier and the third type carrier Send it.

Optionally, the processor 501 is further configured to read a program in the memory 503, and perform the following process: determining a first quantity of the second type of carrier, where the second type of carrier includes: the terminal is not currently performing services. a carrier that transmits and does not cause congestion, and a carrier that is currently performing service transmission but does not reach the upper limit of the maximum number of service transmission processes configured or pre-configured by the network side and does not cause congestion; and selects from the first type of carrier And a second number of carriers to be reselected, and the remaining carrier is used as a to-be-segmented carrier, where the second quantity is a smaller one of the first quantity and the third quantity, and the third quantity is the first type The number of carriers; for the first service packet sent on the to-reselected carrier, stopping sending the first service packet on the to-reselected carrier, and determining whether a third service exists in the first service packet a packet, the third service packet is a second service packet sent in the same time domain location as the first service packet, and the second service packet is a service packet sent by the terminal on the third type carrier; Carrier a reselected service package, wherein if there is a third service package, the reselection service package includes a first service package and a third service package; if the third service package does not exist, the reselection service package includes a service packet; from the second type of carrier, reselecting different transmission carriers for each reselection service packet, the third type of carrier is a carrier for which the terminal currently performs service transmission and no congestion occurs; adjusting the to-be-divided And determining, by the transmission parameter of the segment carrier, the adjusted transmission resource of the to-be-segmented carrier; re-segmenting the service packet to be sent by the to-be-segmented carrier, the third-type carrier, and the sending carrier, and after being adjusted a service packet on each carrier, and selecting a transmission resource on the corresponding carrier according to the adjusted service packet size;

Optionally, the processor 501 is further configured to read a program in the memory 503, and perform the following process: selecting, according to the measured value of the congestion parameter, a third that the terminal currently performs service transmission and does not cause congestion. a class carrier; when the service packet on the third type of carrier is a segmentation service packet, and the size of the segmentation service packet changes, according to the congestion parameter of each carrier and the size of the changed segmentation service packet, And re-segmenting the service packet of the service sent on the third type of carrier, where the second type of carrier includes a carrier that does not currently perform service transmission and does not cause congestion, and the terminal currently performs service transmission but A carrier that does not reach the upper limit of the maximum number of service transmission processes configured or pre-configured by the network side and does not experience congestion.

The transceiver 502 is further configured to send the re-segmented segmented service packet on the corresponding third type carrier and/or the second type carrier.

Referring to FIG. 6, another embodiment of the terminal is provided in the embodiment of the present disclosure. As shown in FIG. 6, the terminal 60 includes:

The obtaining unit 61 is configured to acquire measurement values of congestion parameters on multiple carriers;

The selecting unit 62 is configured to select, according to the measured value of the congestion parameter, a first type of carrier that is currently performing service transmission and congestion occurs in the terminal;

The congestion processing unit 63 is configured to reselect a carrier for the service packet sent by the terminal on the first type of carrier, and/or adjust a size of the service packet of the terminal on the first type of carrier.

Preferably, the congestion processing unit 63 includes:

a first reselecting unit, configured to send, by the first type of carrier, the first service packet, where the first service packet is sent by using the first service packet, where the first service packet is a segmented service packet or a non-segmented service packet; the transmission carrier of the first service packet is reselected from the second type of carrier, where the second type of carrier includes: the terminal is not currently transmitting services and congestion is not generated. a carrier, and a carrier that is currently performing service transmission but does not reach an upper limit of the maximum number of service transmission processes configured or pre-configured by the network side and does not cause congestion; and selecting a transmission resource of the first service packet from the transmission carrier;

The first sending unit is configured to send the first service packet on a sending resource of the sending carrier.

Preferably, the congestion processing unit 63 includes:

a second reselecting unit, configured to determine, according to the first service packet sent on the first type of carrier, whether a third service packet exists in the first service packet, where the third service packet is the first service packet a second service packet sent in the same time domain location, where the second service packet is a service packet sent by the terminal on a third type of carrier, and the third type of carrier is a current service transmission of the terminal. a carrier that is congested; a reselection service packet that needs to perform carrier reselection, wherein if there is a third service packet, the reselection service packet includes a first service packet and a third service packet; if the third service packet does not exist The reselection service packet includes a first service packet; from the second type of carrier, reselecting different transmission carriers for each reselection service packet, and selecting a transmission resource from the transmission carrier, the second class The carrier includes: a carrier that does not currently perform service transmission and is not congested by the terminal, and the terminal currently performs service transmission but does not reach the upper limit of the maximum number of service transmission processes configured or pre-configured by the network side, and is not sent. Congestion carrier;

The second sending unit is configured to send a corresponding reselection service packet on the sending resource of the sending carrier.

Preferably, the second reselecting unit comprises:

a first processing unit, configured to: when an association group exists in the reselection service packet, reselect an available resource of the same time domain location on different transmission carriers as a transmission resource for each service packet in the same association group; The association group includes at least two service packets that are transmitted at the same time domain location before reselecting the carrier; or

a second processing unit, configured to determine, according to the same association group configuration as before the reselection carrier, the number of association groups after the reselection carrier, the number of service packets in each association group, and the same association group after the reselection carrier Each of the service packets selects available resources in the same time domain location on different transmitting carriers as the sending resource. The association group configuration includes the number of associated groups and the number of service packets in each associated group.

Preferably, the congestion processing unit 63 includes:

a first adjusting unit, configured to: when the service packet on the first type of carrier is a segmented service packet, adjust a sending parameter of the first type of carrier, and determine an adjusted sending resource of the first type of carrier;

a first segmentation unit, configured to re-send a service packet sent on the first type of carrier and the third type of carrier according to the adjusted transmission resource of the first type of carrier and the transmission resource of the third type of carrier Segmentation, the third type of carrier is a carrier that the terminal currently performs service transmission and does not cause congestion;

And a third sending unit, configured to send the re-segmented segmented service packet on the corresponding first type carrier and the third type carrier.

Preferably, the congestion processing unit 63 includes:

a first determining unit, configured to determine, when the service packet on the first type of carrier is a segmented service packet, a first quantity of the second type of carrier, where the second type of carrier includes: the terminal is not currently performing services a carrier that transmits and does not have congestion, and a carrier that is currently performing service transmission but does not reach the upper limit of the maximum number of service transmission processes configured or pre-configured by the network side and does not cause congestion;

a first selecting unit, configured to select a second number of carriers to be reselected from the first type of carriers, and use the remaining carriers as carriers to be segmented, where the second quantity is the first quantity and the third quantity The third one is the number of carriers of the first type;

a third reselecting unit, configured to stop sending, by the first service packet sent on the to-reselected carrier, the first service packet of the first service on the to-reselected carrier, and for each The first service packet on the carrier to be reselected, a corresponding second type carrier is selected as the transmission carrier of the first service packet, and the transmission resource is selected for transmission; and

a second adjusting unit, configured to adjust a transmission parameter of the to-be-segmented carrier, and determine an adjusted transmission resource of the to-be-segmented carrier; according to the adjusted transmission resource of the to-be-segmented carrier and a third type of carrier a transmission resource, re-segmenting the service packet sent on the third type of carrier and the to-be-segmented carrier; and re-segmenting the segmented service packet on the corresponding to-segment carrier and the third-class carrier The transmitting is performed, and the third type of carrier is a carrier that the terminal currently performs service transmission and does not cause congestion.

Preferably, the congestion processing unit 63 includes:

a second determining unit, configured to determine, when the service packet on the first type of carrier is a segmented service packet, a first quantity of the second type of carrier, where the second type of carrier includes: the terminal is not currently performing services a carrier that transmits and does not have congestion, and a carrier that is currently performing service transmission but does not reach the upper limit of the maximum number of service transmission processes configured or pre-configured by the network side and does not cause congestion;

a second selecting unit, configured to select a second number of carriers to be reselected from the first type of carriers, and use the remaining carriers as carriers to be segmented, where the second quantity is the first quantity and the third quantity The third one is the number of carriers of the first type;

a fourth reselecting unit, configured to stop sending the first service packet on the to-reselected carrier for the first service packet sent on the to-reselected carrier, and for each of the to-reselected carriers Selecting a corresponding second type carrier as the sending carrier of the first service packet;

a third adjusting unit, configured to adjust a sending parameter of the to-be-segmented carrier, and determine an adjusted sending resource of the to-be-segmented carrier;

a second segmentation unit, configured to re-segment the service packet sent by the to-be-segmented carrier, the third-type carrier, and the sending carrier, to obtain the adjusted service packet on each carrier, and according to the adjusted The size of the service packet, the transmission resource is selected on the corresponding carrier, and the third type of carrier is the carrier that the terminal currently performs service transmission and does not cause congestion;

The fourth transmitting unit may also have a service packet on each of the adjusted carriers, and transmit the corresponding service packet to be segmented, the third type of carrier, and the transmitting carrier.

Preferably, the congestion processing unit 63 includes:

a third determining unit, configured to determine a first quantity of the second type of carrier, where the second type of carrier includes: a carrier that does not currently perform service transmission and does not cause congestion, and the terminal currently performs service transmission but A carrier that does not reach the upper limit of the maximum number of service transmission processes configured or pre-configured by the network side and does not cause congestion;

a third selecting unit, configured to select a second number of carriers to be reselected from the first type of carriers, and use the remaining carriers as carriers to be segmented, where the second quantity is the first quantity and the third quantity The third one is the number of carriers of the first type;

a fifth reselecting unit, configured to stop sending a service packet on the to-reselected carrier, and determine whether a third service exists in the first service packet, for the first service packet sent on the to-reselected carrier a packet, the third service packet is a second service packet sent in the same time domain location as the first service packet, and the second service packet is a service packet sent by the terminal on the third type carrier; a reselection service packet for performing carrier reselection, wherein if there is a third service packet, the reselection service packet includes a first service packet and a third service packet; if the third service packet does not exist, the reselection service packet The first service packet is included; from the second type of carrier, different transmission carriers are reselected for each reselection service packet, and the transmission resource is selected for transmission, and the third type of carrier is the current service transmission of the terminal and does not occur. Congested carrier; and,

a fourth adjusting unit, configured to adjust a sending parameter of the to-be-segmented carrier, and determine an adjusted sending resource of the to-be-segmented carrier; according to the adjusted sending resource of the to-be-segmented carrier and a third type of carrier a transmission resource, re-segmenting the service packet sent on the third type of carrier and the to-be-segmented carrier; and re-segmenting the segmented service packet on the corresponding to-segment carrier and the third-class carrier Send it.

Preferably, the congestion processing unit 63 includes:

a fourth determining unit, configured to determine a first quantity of the second type of carrier, where the second type of carrier includes: a carrier that does not currently perform service transmission and does not cause congestion, and the terminal currently performs service transmission but A carrier that does not reach the upper limit of the maximum number of service transmission processes configured or pre-configured by the network side and does not cause congestion;

a fourth selecting unit, configured to select a second number of carriers to be reselected from the first type of carriers, and use the remaining carriers as carriers to be segmented, where the second quantity is the first quantity and the third quantity The third one is the number of carriers of the first type;

a sixth reselecting unit, configured to stop sending the first service packet on the to-reselected carrier for the first service packet sent by the to-reselected carrier, and determine whether the first service packet is in the first service packet There is a third service packet, where the third service packet is a second service packet that is sent in the same time domain location as the first service packet, and the second service packet is a service that is sent by the terminal on the third type carrier. a packet; a reselection service packet that needs to perform carrier reselection, wherein if there is a third service packet, the reselection service packet includes a first service packet and a third service packet; if the third service packet does not exist, The reselection service packet includes a first service packet; from the second type of carrier, different transmission carriers are reselected for each reselection service packet, and the third type of carrier is a carrier that the terminal currently performs service transmission and does not cause congestion. ;

a fifth adjusting unit, configured to adjust a sending parameter of the to-be-segmented carrier, and determine an adjusted sending resource of the to-be-segmented carrier;

a fifth selecting unit, configured to perform re-segmentation on the to-be-segmented carrier, the third-type carrier, and the service packet sent on the sending carrier, to obtain the adjusted service packet on each carrier, and according to the adjusted The size of the service packet, and the selection of the transmission resource on the corresponding carrier;

And a fifth sending unit, configured to send the service packet on each of the adjusted carriers on the corresponding to-segment carrier, the third type carrier, and the sending carrier.

Preferably, the terminal 60 further includes:

a sixth selecting unit, configured to select, according to the measured value of the congestion parameter, a third type of carrier that the terminal currently performs service transmission and does not cause congestion;

a sixth sending unit, configured to: when the service packet on the third type of carrier is a segmented service packet, and the size of the segmented service packet changes, according to a congestion parameter of each carrier and a changed segmentation service The size of the packet, re-segmenting the service packet of the service sent on the third type of carrier, and performing the re-segmented segmentation service packet on the corresponding third type carrier and/or the second type carrier The second type of carrier includes a carrier that does not currently perform service transmission and does not cause congestion, and the terminal currently performs service transmission but does not reach the maximum number of maximum service transmission processes configured or pre-configured by the network side. There is no carrier that is congested.

Those of ordinary skill in the art will appreciate that the elements and algorithm steps of the various examples described in connection with the embodiments disclosed herein can be implemented in electronic hardware or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the solution. A person skilled in the art can use different methods to implement the described functions for each particular application, but such implementation should not be considered to be beyond the scope of the present disclosure.

A person skilled in the art can clearly understand that for the convenience and brevity of the description, the specific working process of the system, the device and the unit described above can refer to the corresponding process in the foregoing method embodiment, and details are not described herein again.

In the embodiments provided by the present disclosure, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the device embodiments described above are merely illustrative. For example, the division of the unit is only a logical function division. In actual implementation, there may be another division manner, for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed. In addition, the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.

The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the embodiments of the present disclosure.

In addition, each functional unit in various embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above integrated unit can be implemented in the form of hardware or in the form of hardware plus software functional units.

The functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product. Based on such understanding, the portion of the technical solution of the present disclosure that contributes in essence or to the prior art or the portion of the technical solution may be embodied in the form of a software product stored in a storage medium, including The instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the congestion control method of various embodiments of the present disclosure. The foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes. .

The above description is only a preferred embodiment of the present disclosure, and it should be noted that those skilled in the art can also make several improvements and retouchings without departing from the principles of the present disclosure. The scope of protection of the present disclosure should be considered.

Claims

A congestion control method is applied to a terminal, including:

Obtaining measurements of congestion parameters on multiple carriers;

Determining, according to the measured value of the congestion parameter, a first type of carrier that is currently performing service transmission and congestion occurs;

Reselecting a carrier for a service packet sent by the terminal on the first type of carrier, and/or adjusting a size of a service packet of the terminal on the first type of carrier.
The method of claim 1, wherein the step of reselecting a carrier for a service packet sent by the terminal on the first type of carrier comprises:

And the terminal stops sending the first service packet on the first type of carrier, where the first service packet is a segmented service packet or a non-segmented packet. Business package

Re-selecting a transmission carrier of the first service packet from a second type of carrier, where the second type of carrier includes: a carrier that does not currently perform service transmission and does not cause congestion, and the terminal currently performs service transmission But the carrier that does not reach the upper limit of the maximum number of service transmission processes configured or pre-configured by the network side and does not cause congestion;

Selecting a transmission resource of the first service packet from the transmitting carrier;

Transmitting the first service packet on a sending resource of the sending carrier.
The method of claim 1, wherein the step of reselecting a carrier for a service packet sent by the terminal on the first type of carrier comprises:

Determining, by the first service packet sent on the first type of carrier, whether a third service packet exists in the first service packet, where the third service packet is sent in the same time domain location as the first service packet. a second service packet, where the second service packet is a service packet sent by the terminal on a third type of carrier, and the third type of carrier is a carrier that is currently sent by the terminal and is not congested;

Determining a reselection service packet that needs to perform carrier reselection, wherein if there is a third service packet, the reselection service packet includes a first service packet and a third service packet; if the third service packet does not exist, the reselection The service package includes the first service package;

And selecting, from the second type of carrier, a different transmitting carrier for each reselected service packet, and selecting a sending resource from the sending carrier, where the second type of carrier includes: the terminal does not currently send a service and does not A carrier that is congested, and a carrier that is currently transmitting traffic but does not reach the upper limit of the maximum number of service transmission processes configured or pre-configured by the network side and does not cause congestion;

Sending a corresponding reselection service packet on the transmission resource of the transmission carrier.
The method of claim 3, wherein the step of reselecting different transmit carriers for each reselected service packet from the second type of carrier and selecting the transmit resource from the transmit carrier comprises:

When an association group exists in the reselection service packet, for each service packet in the same association group, the available resources of the same time domain location on different transmission carriers are reselected as the transmission resource; wherein the association group is included in the Reselecting at least two service packets that are transmitted in the same time domain location before the carrier is reselected;

Or, according to the same association group configuration as before the reselection carrier, determining the number of association groups after the reselection carrier, the number of service packets in each association group, and each service packet in the same association group after the reselection carrier And selecting, as the sending resource, the available resources in the same time domain location on different transmitting carriers, where the association group configuration includes the number of association groups and the number of service packets in each association group.
The method according to claim 1, wherein said step of adjusting a size of a service packet of said terminal on said first type of carrier when said service packet on said first type of carrier is a segmented service packet ,include:

Adjusting a transmission parameter of the first type of carrier, and determining an adjusted transmission resource of the first type of carrier;

And re-segmenting the service packet sent on the first type of carrier and the third type of carrier according to the adjusted transmission resource of the first type of carrier and the transmission resource of the third type of carrier, where the third type The carrier is a carrier that the terminal currently performs service transmission and does not cause congestion;

The segmented service packet to be re-segmented is transmitted on the corresponding first type carrier and third type carrier.
The method of claim 1, wherein when the service packet on the first type of carrier is a segmented service packet, the reselecting a carrier for a service packet sent by the terminal on the first type of carrier Steps include:

And determining, by the network side, The pre-configured carrier with the maximum number of service transmission processes and no congestion;

Selecting a second number of carriers to be reselected from the first type of carriers, and using the remaining carriers as carriers to be segmented, wherein the second quantity is a smaller one of the first quantity and the third quantity, The third number is the number of the first type of carriers;

Stopping, by the first service packet sent on the to-reselected carrier, the first service packet of the first service on the to-reselected carrier, and the first on each of the to-reselected carriers a service packet, selecting a corresponding second type carrier as a transmission carrier of the first service packet, and selecting a transmission resource to send; and,

Adjusting the transmission parameter of the to-be-segmented carrier, and determining the adjusted transmission resource of the to-be-segmented carrier; according to the adjusted transmission resource of the to-be-segmented carrier and the transmission resource of the third type of carrier, The third type of carrier and the service packet sent on the to-be-segmented carrier are re-segmented; the re-segmented segmented service packet is sent on the corresponding to-segment carrier and the third-class carrier, the third The class carrier is a carrier that the terminal currently performs service transmission and does not experience congestion.
The method of claim 1, wherein when the service packet on the first type of carrier is a segmented service packet, the reselecting a carrier for a service packet sent by the terminal on the first type of carrier Steps include:

And determining, by the network side, The pre-configured carrier with the maximum number of service transmission processes and no congestion;

Selecting a second number of carriers to be reselected from the first type of carriers, and using the remaining carriers as carriers to be segmented, wherein the second quantity is a smaller one of the first quantity and the third quantity, The third number is the number of the first type of carriers;

Stopping, by the first service packet sent on the to-reselected carrier, the first service packet on the to-reselected carrier, and selecting a corresponding second class for each carrier to be reselected. The carrier is used as a transmission carrier of the first service packet;

Adjusting a transmission parameter of the to-be-segmented carrier, and determining an adjusted transmission resource of the to-be-segmented carrier;

Performing re-segmentation on the to-be-segmented carrier, the third-type carrier, and the service packet sent on the sending carrier, to obtain the adjusted service packet on each carrier, and according to the adjusted service packet size, in the corresponding carrier Selecting a transmission resource, where the third type of carrier is a carrier that the terminal currently performs service transmission and does not cause congestion;

The service packets on the adjusted respective carriers are transmitted on the corresponding to-segment carrier, the third type carrier, and the transmission carrier.
The method of claim 1, wherein when the service packet on the first type of carrier is a segmented service packet, the reselecting a carrier for a service packet sent by the terminal on the first type of carrier Steps include:

And determining, by the network side, The pre-configured carrier with the maximum number of service transmission processes and no congestion;

Selecting a second number of carriers to be reselected from the first type of carriers, and using the remaining carriers as carriers to be segmented, wherein the second quantity is a smaller one of the first quantity and the third quantity, The third number is the number of the first type of carriers;

And stopping to send a service packet on the to-reselected carrier, and determining whether a third service packet exists in the first service packet, where the third service packet is included in the first service packet to be reselected. a second service packet that is sent in the same time domain location as the first service packet, where the second service packet is a service packet sent by the terminal on a third type of carrier; and a reselection service that needs to perform carrier reselection is determined. a packet, wherein if there is a third service package, the reselection service package includes a first service package and a third service package; if the third service package does not exist, the reselection service package includes a first service package; In the second type of carrier, a different transmission carrier is reselected for each reselected service packet, and a transmission resource is selected for transmission, and the third type of carrier is a carrier that the terminal currently performs service transmission and does not cause congestion;

Adjusting the transmission parameter of the to-be-segmented carrier, and determining the adjusted transmission resource of the to-be-segmented carrier; according to the adjusted transmission resource of the to-be-segmented carrier and the transmission resource of the third type of carrier, The third type of carrier and the service packet sent on the to-be-segmented carrier are re-segmented; the re-segmented segmented service packet is sent on the corresponding to-segment carrier and the third-class carrier.
The method of claim 1, wherein when the service packet on the first type of carrier is a segmented service packet, the reselecting a carrier for a service packet sent by the terminal on the first type of carrier Steps include:

And determining, by the network side, The pre-configured carrier with the maximum number of service transmission processes and no congestion;

Selecting a second number of carriers to be reselected from the first type of carriers, and using the remaining carriers as carriers to be segmented, wherein the second quantity is a smaller one of the first quantity and the third quantity, The third number is the number of the first type of carriers;

Stopping, by the first service packet to be reselected, the first service packet on the to-be-reselected carrier, and determining whether a third service packet exists in the first service packet, The third service packet is a second service packet sent in the same time domain location as the first service packet, and the second service packet is a service packet sent by the terminal on the third type of carrier; determining that carrier reselection is required The reselection service package, wherein if there is a third service package, the reselection service package includes a first service package and a third service package; if the third service package does not exist, the reselection service package includes the first service a packet is reselected from the second type of carrier for each reselected service packet, and the third type of carrier is a carrier that is currently transmitting services of the terminal and is not congested;

Adjusting a transmission parameter of the to-be-segmented carrier, and determining an adjusted transmission resource of the to-be-segmented carrier;

Performing re-segmentation on the to-be-segmented carrier, the third-type carrier, and the service packet sent on the sending carrier, to obtain the adjusted service packet on each carrier, and according to the adjusted service packet size, in the corresponding carrier Select the sending resource on;

The service packets on the adjusted respective carriers are transmitted on the corresponding to-segment carrier, the third type carrier, and the transmission carrier.
The method of any of claims 1 to 9, further comprising:

Determining, according to the measured value of the congestion parameter, a third type of carrier that the terminal currently performs service transmission and does not cause congestion;

When the service packet on the third type of carrier is a segmented service packet, and the size of the segmented service packet changes, according to the congestion parameter of each carrier and the size of the changed segmented service packet, The service packet of the service sent on the third type of carrier is re-segmented, and the re-segmented segmented service packet is sent on the corresponding third type carrier and/or the second type carrier, the second type The carrier includes a carrier that does not currently perform service transmission and is not congested by the terminal, and a carrier that is currently performing service transmission but does not reach the upper limit of the maximum number of service transmission processes configured or pre-configured by the network side and does not cause congestion.
A terminal comprising: a transceiver, a memory, a processor, and a computer program stored on the memory and operable on the processor; the processor for reading a program in the memory, performing the following process Obtaining a measurement value of a congestion parameter on a plurality of carriers; selecting, according to the measurement value of the congestion parameter, a first type of carrier in which the terminal currently performs service transmission and congestion occurs; and the terminal is in the first class The service packet sent on the carrier reselects the carrier, and/or adjusts the size of the service packet of the terminal on the first type of carrier;

The transceiver is configured to send a service packet on a corresponding carrier.
The terminal of claim 11 wherein

The processor is further configured to read a program in the memory, and perform the following process: for the first service packet sent on the first type of carrier, the terminal stops sending the first type on the first type of carrier a service packet, the first service packet is a segmentation service packet or a non-segment service packet; and the transmission carrier of the first service packet is reselected from the second type of carrier, where the second type of carrier includes: A carrier that does not currently perform service transmission and does not have congestion, and a carrier that is currently transmitting services but does not reach the upper limit of the maximum number of service transmission processes configured or pre-configured by the network side and does not cause congestion; Selecting a transmission resource of the first service packet on the carrier;

The transceiver is further configured to send the first service packet on a sending resource of the sending carrier.
The terminal of claim 11 wherein

The processor is further configured to: read a program in the memory, and perform the following process: determining, according to the first service packet sent on the first type of carrier, whether a third service packet exists in the first service packet, where The third service packet is a second service packet sent in the same time domain location as the first service packet, and the second service packet is a service packet sent by the terminal on the third type carrier, the third class The carrier is a carrier that is currently performing service transmission and is not congested by the terminal; determining a reselection service packet that needs to perform carrier reselection, wherein if there is a third service packet, the reselection service packet includes a first service packet and a a service packet; if there is no third service packet, the reselection service packet includes a first service packet; and from the second type of carrier, reselecting different transmission carriers for each reselection service packet, and transmitting the carrier from the transmission carrier The second type of carrier includes: a carrier that does not currently perform service transmission and does not cause congestion, and the terminal currently performs service transmission but fails to be configured or pre-configured by the network side. The carrier with the maximum number of configured maximum service sending processes and no congestion occurs;

The transceiver is further configured to send a corresponding reselection service packet on a sending resource of the sending carrier.
The terminal of claim 13 wherein

The processor is further configured to read a program in the memory and perform the following process:

When an association group exists in the reselection service packet, for each service packet in the same association group, the available resources of the same time domain location on different transmission carriers are reselected as the transmission resource; wherein the association group is included in the Reselecting at least two service packets that are transmitted in the same time domain location before the carrier is reselected;

Or, according to the same association group configuration as before the reselection carrier, determining the number of association groups after the reselection carrier, the number of service packets in each association group, and each service packet in the same association group after the reselection carrier And selecting, as the sending resource, the available resources in the same time domain location on different transmitting carriers, where the association group configuration includes the number of association groups and the number of service packets in each association group.
The terminal of claim 11 wherein

The processor is further configured to: read a program in the memory, and perform the following process: adjusting a transmission parameter of the first type of carrier, and determining an adjusted transmission resource of the first type of carrier; Transmitting a service packet sent by the first type of carrier and a third type of carrier, where the third type of carrier is the current a carrier that performs traffic transmission without congestion;

The transceiver is further configured to send the re-segmented segmentation service packet on the corresponding first type carrier and the third type carrier.
The terminal of claim 11 wherein

The processor is further configured to read a program in the memory, and perform the following process: determining a first quantity of the second type of carrier, where the second type of carrier includes: the terminal is not currently performing service transmission, and congestion does not occur. a carrier, and a carrier that is currently transmitting a service but does not reach an upper limit of the maximum number of service transmission processes configured or pre-configured by the network side and does not cause congestion; and selecting a second number of to-bes from the first type of carrier Reselecting the carrier, and using the remaining carrier as the to-be-segmented carrier, the second quantity being the smaller one of the first quantity and the third quantity, the third quantity being the number of the first type of carrier; Determining, by the first service packet sent on the reselected carrier, stopping transmitting the first service packet of the first service on the to-reselected carrier, and the first service packet on each of the to-reselected carriers Selecting a corresponding second type of carrier as the sending carrier of the first service packet, and selecting a sending resource; and adjusting a sending parameter of the to-be-segmented carrier to determine an adjusted transmit of the to-be-segmented carrier Transmitting a service packet according to the adjusted transmission resource of the to-be-segmented carrier and the transmission resource of the third type of carrier, and re-segmenting the service packet sent by the third type carrier and the to-segment carrier The three types of carriers are carriers that are currently transmitting services of the terminal and are not congested;

The transceiver is further configured to send the first service packet on the selected transmission resource, and perform the re-segmented segmentation service packet on the corresponding to-segment carrier and the third type carrier. send.
The terminal of claim 11 wherein

The processor is further configured to read a program in the memory, and perform the following process: determining a first quantity of the second type of carrier, where the second type of carrier includes: the terminal is not currently performing service transmission, and congestion does not occur. a carrier, and a carrier that is currently transmitting a service but does not reach an upper limit of the maximum number of service transmission processes configured or pre-configured by the network side and does not cause congestion; and selecting a second number of to-bes from the first type of carrier Reselecting the carrier, and using the remaining carrier as the to-be-segmented carrier, the second quantity being the smaller one of the first quantity and the third quantity, the third quantity being the number of the first type of carrier; Determining, by the first service packet sent on the reselected carrier, stopping sending the first service packet on the to-reselected carrier, and selecting a corresponding second carrier as each carrier to be reselected Transmitting a carrier of the first service packet; adjusting a transmission parameter of the to-be-segmented carrier, determining an adjusted transmission resource of the to-be-segmented carrier; and the to-be-segmented carrier, a third type of carrier, and the hair The service packet sent on the carrier is re-segmented to obtain the adjusted service packet on each carrier, and the transmission resource is selected on the corresponding carrier according to the adjusted service packet size, and the third type of carrier is the current terminal. a carrier that performs traffic transmission without congestion;

The transceiver is further configured to send the service packets on the adjusted respective carriers on the corresponding to-segment carrier, the third type carrier, and the sending carrier.
The terminal of claim 11 wherein

The processor is further configured to read a program in the memory, and perform the following process: determining a first quantity of the second type of carrier, where the second type of carrier includes: the terminal is not currently performing service transmission, and congestion does not occur. a carrier, and a carrier that is currently transmitting a service but does not reach an upper limit of the maximum number of service transmission processes configured or pre-configured by the network side and does not cause congestion;

Selecting a second number of carriers to be reselected from the first type of carriers, and using the remaining carriers as carriers to be segmented, wherein the second quantity is a smaller one of the first quantity and the third quantity, The third number is the number of the first type of carriers; for the first service packet sent on the to-reselected carrier, stopping sending a service packet on the to-reselected carrier, and determining the first service packet Whether there is a third service packet, where the third service packet is a second service packet sent in the same time domain location as the first service packet, and the second service packet is sent by the terminal on the third type carrier a service packet; a reselection service packet that needs to perform carrier reselection, wherein if there is a third service packet, the reselection service packet includes a first service packet and a third service packet; if the third service packet does not exist, The reselection service packet includes a first service packet. From the second type of carrier, a different transmission carrier is reselected for each reselection service packet, and a transmission resource is selected, where the third type carrier is a current service transmission of the terminal. And no congestion occurs; And adjusting the transmission parameter of the to-be-segmented carrier, and determining the adjusted transmission resource of the to-be-segmented carrier; according to the adjusted transmission resource of the to-be-segmented carrier and the transmission resource of the third type of carrier, The third type of carrier and the service packet sent on the carrier to be segmented are re-segmented;

The transceiver is further configured to send the reselection service packet on the selected transmission resource, and perform the re-segmented segmentation service packet on the corresponding to-segment carrier and the third type carrier. send.
The terminal of claim 11 wherein

The processor is further configured to read a program in the memory, and perform the following process: determining a first quantity of the second type of carrier, where the second type of carrier includes: the terminal is not currently performing service transmission, and congestion does not occur. a carrier, and a carrier that is currently transmitting a service but does not reach an upper limit of the maximum number of service transmission processes configured or pre-configured by the network side and does not cause congestion; and selecting a second number of to-bes from the first type of carrier Reselecting the carrier, and using the remaining carrier as the to-be-segmented carrier, the second quantity being the smaller one of the first quantity and the third quantity, the third quantity being the number of the first type of carrier; Determining, by the first service packet sent on the reselected carrier, stopping sending the first service packet on the to-reselected carrier, and determining whether a third service packet exists in the first service packet, and the third The service packet is a second service packet sent in the same time domain location as the first service packet, and the second service packet is a service packet sent by the terminal on the third type of carrier; determining the weight required for carrier reselection Choosing a packet, wherein if there is a third service package, the reselection service package includes a first service package and a third service package; if the third service package does not exist, the reselection service package includes a first service package; In the second type of carrier, different transmission carriers are reselected for each reselected service packet, and the third type of carrier is a carrier that is currently transmitting traffic of the terminal and is not congested; and adjusting transmission parameters of the to-be-segmented carrier, Determining the adjusted transmission resource of the to-be-segmented carrier; re-segmenting the to-be-segmented carrier, the third-type carrier, and the service packet sent on the transmitting carrier, to obtain the adjusted service on each carrier Packet, and according to the adjusted service packet size, select a sending resource on the corresponding carrier;

The transceiver is further configured to send the service packets on the adjusted respective carriers on the corresponding to-segment carrier, the third type carrier, and the sending carrier.
A terminal according to any one of claims 11 to 19, wherein

The processor is further configured to: read a program in the memory, and perform the following process: selecting, according to the measured value of the congestion parameter, a third type of carrier that the terminal currently performs service transmission without congestion; When the service packet on the third type of carrier is a segmented service packet, and the size of the segmented service packet changes, the third class is determined according to the congestion parameter of each carrier and the size of the changed segmentation service packet. The service packet of the service sent on the carrier is re-segmented;

The transceiver is further configured to send the re-segmented segment service packet to a corresponding third type carrier and/or a second type carrier, where the second type carrier includes the terminal not currently performed. A carrier that transmits traffic without congestion, and a carrier that is currently transmitting traffic but does not reach the upper limit of the maximum number of service transmission processes configured or pre-configured by the network side and does not cause congestion.
A terminal comprising:

Obtaining a unit, acquiring measurement values of congestion parameters on multiple carriers;

a selecting unit, configured to select, according to the measured value of the congestion parameter, a first type of carrier that is currently performing service transmission and congestion occurs;

The congestion processing unit is configured to reselect a carrier for the service packet sent by the terminal on the first type of carrier, and/or adjust a size of the service packet of the terminal on the first type of carrier.
The terminal of claim 21, wherein the congestion processing unit comprises:

a first reselecting unit, configured to send, by the first type of carrier, the first service packet, where the first service packet is sent by using the first service packet, where the first service packet is a segmented service packet or a non-segmented service packet; the transmission carrier of the first service packet is reselected from the second type of carrier, where the second type of carrier includes: the terminal is not currently transmitting services and congestion is not generated. a carrier, and a carrier that is currently performing service transmission but does not reach an upper limit of the maximum number of service transmission processes configured or pre-configured by the network side and does not cause congestion; and selecting a transmission resource of the first service packet from the transmission carrier;

The first sending unit is configured to send the first service packet on a sending resource of the sending carrier.
The terminal of claim 22, wherein the congestion processing unit comprises:

a second reselecting unit, configured to determine, according to the first service packet sent on the first type of carrier, whether a third service packet exists in the first service packet, where the third service packet is the first service packet a second service packet sent in the same time domain location, where the second service packet is a service packet sent by the terminal on a third type of carrier, and the third type of carrier is a current service transmission of the terminal. a carrier that is congested; a reselection service packet that needs to perform carrier reselection, wherein if there is a third service packet, the reselection service packet includes a first service packet and a third service packet; if the third service packet does not exist The reselection service packet includes a first service packet; from the second type of carrier, reselecting different transmission carriers for each reselection service packet, and selecting a transmission resource from the transmission carrier, the second class The carrier includes: a carrier that does not currently perform service transmission and is not congested by the terminal, and the terminal currently performs service transmission but does not reach the upper limit of the maximum number of service transmission processes configured or pre-configured by the network side, and is not sent. Congestion carrier;

The second sending unit is configured to send a corresponding reselection service packet on the sending resource of the sending carrier.
A computer readable storage medium having stored thereon a computer program, the computer program being executed by a processor, implementing the steps of the congestion control method according to any one of claims 1 to 10. .