CN106465372B

CN106465372B - The processing method of WLAN link exception, apparatus and system in MSA

Info

Publication number: CN106465372B
Application number: CN201580024595.7A
Authority: CN
Inventors: 罗海燕; 彭文杰; 邓天乐
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2015-01-30
Filing date: 2015-07-21
Publication date: 2019-10-22
Anticipated expiration: 2035-07-21
Also published as: CN106465372A; WO2016119415A1

Abstract

The embodiment of the present invention provides the processing method of WLAN link exception, apparatus and system in a kind of MSA, is related to field of communication technology, can determine that WLAN link is abnormal in MSA, avoids persistently for data being distributed to the WLAN link transmission being abnormal.It is indicated extremely this method comprises: base station obtains link, and it is indicated extremely according to the link, stop protocol Data Unit PDU to be transmitted being distributed to cellular network link and the WLAN link transmission, and the PDU to be transmitted is sent to user equipment (UE) by the cellular network link, link instruction extremely is used to indicate WLAN link and is abnormal.This method is applied in MSA.

Description

The processing method of WLAN link exception, apparatus and system in MSA

This application claims on 01 30th, 2015 submission Patent Office of the People's Republic of China, application No. is PCT/CN2015/072052, hair The priority of the Chinese patent application of bright entitled " processing method of WLAN link exception, apparatus and system in MSA ", whole Content is hereby incorporated by reference in the application.

Technical field

The present invention relates to the processing method of WLAN link exception, device in field of communication technology more particularly to MSA and it is System.

Background technique

With the continuous development of radio network technique, in order to further enhance the edge throughput of wireless network, Ren Menti Multithread convergence (English: multi-stream aggregation, abbreviation: MSA) technology is gone out.MSA technology refers to Cellular Networks Network and Wireless LAN (English: wireless local area network, abbreviation: WLAN) fusion carry out dual link (English Text: dual connectivity, abbreviation: DC) communication, i.e., the partial data in cellular network is diverted to by data sending terminal It is transmitted in WLAN, data receiver convergence passes through cellular network and the received data of WLAN.

A kind of currently used MSA technology is by long term evolution (English: long term evolution, abbreviation: LTE) Network and WLAN fusion carry out DC communication.In this MSA technology, data sending terminal can be in the wireless spread-spectrum technology in LTE (English: radio link control, abbreviation: RLC) layer shunts data, i.e., when rlc layer entity receives upper layer hair After the data sent, the partial data (such as to the lower data of delay requirement) of LTE chain road is diverted to WLAN by rlc layer entity It is transmitted on link.In the lte networks, when rlc layer entity acts are in affirmation mode (English: acknowledgment mode, contracting Write: AM) when, within a preset time, if number of retransmissions of the data on LTE chain road has reached preset maximum value, rlc layer Entity determines that Radio Link Failure (English: radio link failure, abbreviation: RLF) has occurred in LTE link, and initiates nothing Line resources control (English: radio resource control, abbreviation: RRC) connection re-establishes process.In a wlan, if The number of retransmissions of data over a wlan link has reached preset maximum value, then data sending terminal can abandon the data, i.e., should Data transmission fails.

Therefore, in above-mentioned MSA technology, due to the current mechanism of LTE network and WLAN, data sending terminal can only be determined RLF occurs for LTE link, and is not directed to the scheme for determining that WLAN link is abnormal, therefore, when the generation of WLAN link is different Chang Shi, so that transmitting terminal continues by data distribution to the WLAN link transmission being abnormal, so as to cause the WLAN is distributed to The data transmission fails of link transmission.

Summary of the invention

The present invention provides the processing method of WLAN link exception, apparatus and system in a kind of MSA, can determine in MSA WLAN link is abnormal out, avoids persistently for data being distributed to the WLAN link transmission being abnormal.

In order to achieve the above objectives, the present invention adopts the following technical scheme:

In a first aspect, the present invention provides a kind of processing method of WLAN link exception in MSA, comprising:

Base station obtains link and indicates extremely, and link instruction extremely is used to indicate WLAN link and is abnormal；

The base station indicates extremely according to the link, stops protocol Data Unit to be transmitted (English: protocol Dataunit, abbreviation: PDU) it is distributed to cellular network link and the WLAN link transmission, and pass through the cellular network link The PDU to be transmitted is sent to user equipment (English: user equipment, abbreviation: UE).

In the first possible implementation of the first aspect, the base station obtains link and indicates extremely, comprising:

When the base station determines that the WLAN link is abnormal, the base station generates the link and indicates extremely.

The possible implementation of with reference to first aspect the first, in the second possible implementation, the base station The method for determining that the WLAN link is abnormal includes:

The base station determines that at least one retransmits the re-transmission PDU that the WLAN link transmission is distributed in PDU；

If the re-transmission PDU for being distributed to the WLAN link transmission meets preset condition, described in the base station determines WLAN link is abnormal,

Wherein, the re-transmission PDU for being distributed to the WLAN link transmission meets preset condition and includes:

There is number of retransmissions to be greater than or equal to preset first in the re-transmission PDU for being distributed to the WLAN link transmission The PDU of limit value, alternatively, the quantity of the re-transmission PDU for being distributed to the WLAN link transmission and being distributed to the WLAN link The ratio of the total quantity of the PDU of transmission is greater than or equal to preset second threshold value.

The possible implementation of second with reference to first aspect, in the third possible implementation, the base station It determines that at least one is retransmitted to be distributed to before the re-transmission PDU of the WLAN link transmission in PDU, the method also includes:

The PDU to be transmitted is distributed to the cellular network link and the WLAN link transmission by the base station；

The base station record is distributed to the mark of the PDU of the WLAN link transmission；

The base station obtains the mark of at least one re-transmission PDU；

The base station determines that at least one retransmits the re-transmission PDU that the WLAN link transmission is distributed in PDU, comprising:

The base station according to it is described at least one retransmit the mark of PDU and described be distributed to the WLAN link transmission The mark of PDU, determine described in be distributed to the re-transmission PDU of the WLAN link transmission.

The third possible implementation with reference to first aspect, in the fourth possible implementation, it is described at least The sequence number SN for being identified as at least one re-transmission PDU of one re-transmission PDU,

The base station obtains the mark of at least one re-transmission PDU, comprising:

The base station receives the first state report that the UE is sent, and includes described at least one in the first state report A SN for retransmitting PDU；

The base station obtains the SN of at least one re-transmission PDU from first state report.

The third possible implementation with reference to first aspect, in a fifth possible implementation, it is described at least One retransmits the SN for being distributed to the data packet that the WLAN link transmission fails that is identified as of PDU, and the data packet includes described At least one retransmits PDU,

The base station receives the second state report that access point (English: access controller, abbreviation: AP) is sent, It include the SN of the data packet in second state report；

The base station obtains the SN of the data packet from second state report.

The possible implementation of with reference to first aspect the first, in a sixth possible implementation, the base station The method for determining that the WLAN link is abnormal includes:

The base station receives measurement report, and the measurement report includes the metrical information of the WLAN link；

If the metrical information meets preset abnormal Rule of judgment, it is different that the base station determines that the WLAN link occurs Often.

In conjunction with above-mentioned in a first aspect, in the 7th kind of possible implementation, the base station obtains link and indicates extremely, Include:

The base station receives the link unexpected message that WT is sent, and carries the link in the link unexpected message and refers to extremely Show.

In conjunction with above-mentioned in a first aspect, in the 8th kind of possible implementation, the base station obtains link and indicates extremely, Include:

The base station receives the link unexpected message that the UE is sent, and it is different to carry the link in the link unexpected message Often instruction.

In conjunction with above-mentioned in a first aspect, in the 9th kind of possible implementation, the base station obtains link and indicates extremely, Include:

The base station receives the link unexpected message that AP is sent, and carries the link in the link unexpected message and refers to extremely Show.

In conjunction with the 9th kind of the possible implementation of the first of first aspect above-mentioned or first aspect to first aspect Any implementation in possible implementation, in the tenth kind of possible implementation, the PDU to be transmitted includes It has been distributed to the PDU that the UE is not transferred in the cellular network link and the PDU of the WLAN link transmission,

It is described that the PDU to be transmitted is sent to UE by the cellular network link, comprising:

The base station is requested to the UE status report, and the state report request is for requesting UE feedback institute State the PDU for being not transferred to the UE；

The base station receives the condition report feedback that the UE is sent, and the condition report feedback, which is used to indicate, described not to be passed Transport to the PDU of the UE；

The base station does not pass according to the condition report feedback, by the cellular network link to UE transmission is described Transport to the PDU of the UE.

In conjunction with the tenth kind of the possible implementation of the first of first aspect above-mentioned or first aspect to first aspect Any implementation in possible implementation, in a kind of the tenth possible implementation, the method also includes:

The base station indicates extremely according to the link, controls the UE and rebuilds WLAN link.

Second aspect, the present invention provide a kind of processing method of WLAN link exception in MSA, comprising:

When UE determines that WLAN link is abnormal, the UE generates link and indicates extremely, and link instruction extremely is used It is abnormal in the instruction WLAN link；

The UE indicates extremely according to the link, stops for PDU to be transmitted being distributed to cellular network link and described WLAN link transmission, and the PDU to be transmitted is sent to base station by the cellular network link.

In the first possible implementation of the second aspect, the method also includes:

The UE sends the link to the base station and indicates extremely, and link instruction extremely is determined for the base station The WLAN link is abnormal.

In conjunction with the possible implementation of the first of second aspect above-mentioned or second aspect, in second of possible realization In mode, the method that the UE determines that WLAN link is abnormal includes:

The UE determines that at least one retransmits the re-transmission PDU that the WLAN link transmission is distributed in PDU；

If the re-transmission PDU for being distributed to the WLAN link transmission meets preset condition, described in the UE is determined WLAN link is abnormal,

In conjunction with second of possible implementation of second aspect, in the third possible implementation, the UE is true It is distributed to before the re-transmission PDU of the WLAN link transmission in fixed at least one re-transmission PDU, the method also includes:

The PDU to be transmitted is distributed to the cellular network link and the WLAN link transmission by the UE；

The UE record is distributed to the sequence number SN of the PDU of the WLAN link transmission；

The UE obtains the SN of at least one re-transmission PDU；

The UE determines that at least one retransmits the re-transmission PDU that the WLAN link transmission is distributed in PDU, comprising:

The UE SN and the PDU for being distributed to the WLAN link transmission of at least one re-transmission PDU according to SN, determine described in be distributed to the re-transmission PDU of the WLAN link transmission.

In conjunction with the possible implementation of the first of second aspect above-mentioned or second aspect, in the 4th kind of possible realization In mode, the method that the UE determines that WLAN link is abnormal includes:

The UE obtains the metrical information of the WLAN link, and whether the metrical information is for determining the WLAN link It is abnormal；

If the metrical information meets preset abnormal Rule of judgment, it is different that the UE determines that the WLAN link occurs Often.

In conjunction with the 4th kind of the possible implementation of the first of second aspect above-mentioned or second aspect to second aspect Any implementation in possible implementation, in a fifth possible implementation, the PDU to be transmitted includes It has been distributed to the PDU that the base station is not transferred in the cellular network link and the PDU of the WLAN link transmission,

It is described that the PDU to be transmitted is sent to base station by the cellular network link, comprising:

The UE is requested to the base station status report, and the state report request is for requesting the base station feedback The PDU for being not transferred to the base station；

The UE receives the condition report feedback that the base station is sent, and the condition report feedback, which is used to indicate, described not to be passed Transport to the PDU of the base station；

The UE is not passed according to the condition report feedback, by the cellular network link to base station transmission is described Transport to the PDU of the base station.

The third aspect, the present invention provide a kind of processing method of WLAN link exception in MSA, comprising:

User equipment (UE) receives the link unexpected message that base station is sent, and it is different to carry the link in the link unexpected message Often instruction, link instruction extremely are used to indicate WLAN link and are abnormal；

The UE is indicated extremely according to the link, stops protocol Data Unit PDU to be transmitted being distributed to Cellular Networks Network link and the WLAN link transmission, and the PDU to be transmitted is sent to base station by the cellular network link.

In the first possible implementation of the third aspect, the UE receive link unexpected message that base station is sent it Before, the method also includes:

The UE sends measurement report to the base station, and the measurement report includes the metrical information of the WLAN link.

In conjunction with the possible implementation of the first of the third aspect above-mentioned or the third aspect, in second of possible practice In mode, the PDU to be transmitted includes being distributed in the cellular network link and the PDU of the WLAN link transmission It is not transferred to the PDU of the base station,

Fourth aspect, the present invention provide a kind of processing method of WLAN link exception in MSA, comprising:

WLAN terminal WT obtains the metrical information of the WLAN link, and the metrical information is for described in determination Whether WLAN link is abnormal；

If the metrical information meets preset abnormal Rule of judgment, the WT generates link and indicates extremely, the chain Road instruction extremely is used to indicate the WLAN link and is abnormal；

The WT sends the link to base station and indicates extremely.

In the first possible implementation of the fourth aspect, the WT sends the link to base station and indicates extremely, Include:

The WT carries the link in the link unexpected message and refers to extremely to the base station transmission link unexpected message Show.

5th aspect, the present invention provide a kind of processing method of WLAN link exception in MSA, comprising:

AP monitoring frame loss rate, the packet loss are used to characterize the ratio of the AP forwarding PDU failure；

When the packet loss is greater than or equal to preset packet loss threshold value, the AP generates link and indicates extremely, described Link instruction extremely is used to indicate the WLAN link and is abnormal；

The AP sends the link to base station and indicates extremely.

In the first possible implementation of the 5th aspect, the AP sends the link to base station and indicates extremely, Include:

The AP carries the link in the link unexpected message and refers to extremely to the base station transmission link unexpected message Show.

6th aspect, the present invention provide a kind of processing method of WLAN link exception in MSA, comprising:

AP determines the sequence number SN for being distributed to the data packet of WLAN link transmission failure, and the data packet includes at least one PDU, the SN of the data packet is for determining whether the WLAN link is abnormal；

The AP includes the SN of the data packet to base station status report, in the state report.

In the first possible implementation of the 6th aspect, the AP, which is determined, is distributed to the failure of WLAN link transmission Before the SN of data packet, the method also includes:

The AP receives the data packet that the base station is sent, and includes the data packet in the packet header of the data packet SN；

The AP determines the SN for being distributed to the data packet of WLAN link transmission failure, comprising:

The AP determines the SN of the data packet according to the packet header of the data packet.

7th aspect, the present invention mention a kind of base station, comprising:

Acquiring unit indicates that it is different that link instruction extremely is used to indicate the generation of WLAN link for obtaining link extremely Often；

Transmission unit, the link for being obtained according to the acquiring unit indicates extremely, stops PDU to be transmitted It is distributed to cellular network link and the WLAN link transmission, and described to be transmitted to UE transmission by the cellular network link PDU.

In the first possible implementation of the 7th aspect,

The acquiring unit, specifically for generating the link and referring to extremely when determining that the WLAN link is abnormal Show.

In conjunction with the first possible implementation of the 7th aspect, in the second possible implementation,

The acquiring unit is distributed to the weight of the WLAN link transmission specifically for determining at least one re-transmission PDU PDU is passed, if the re-transmission PDU for being distributed to the WLAN link transmission meets preset condition, it is determined that the WLAN link hair It is raw abnormal,

In conjunction with second of possible implementation of the 7th aspect, in the third possible implementation,

The transmission unit, be also used to the acquiring unit determine at least one retransmit PDU in be distributed to the WLAN Before the re-transmission PDU of link transmission, the PDU to be transmitted is distributed to the cellular network link and the WLAN link passes It is defeated；

The base station further includes recording unit,

The recording unit, the mark for being distributed to the PDU of the WLAN link transmission for recording the transmission unit；

The acquiring unit is also used to obtain the mark of at least one re-transmission PDU；

The acquiring unit, specifically for the mark and the recording unit records according at least one re-transmission PDU The PDU for being distributed to the WLAN link transmission mark, determine described in be distributed to the re-transmission of the WLAN link transmission PDU。

In conjunction with the third possible implementation of the 7th aspect, in the fourth possible implementation, the acquisition The sequence number SN for being identified as at least one re-transmission PDU at least one re-transmission PDU that unit obtains,

The acquiring unit reports specifically for receiving the first state that the UE is sent, and from the first state report At least one retransmits the SN of PDU described in obtaining in announcement, includes at least one re-transmission PDU in the first state report SN。

In conjunction with the third possible implementation of the 7th aspect, in a fifth possible implementation, the acquisition At least one re-transmission PDU's that unit obtains is identified as the SN for being distributed to the data packet of the WLAN link transmission failure, The data packet includes at least one re-transmission PDU,

The acquiring unit, the second state report sent specifically for receiving AP, and from second state report The SN of the data packet is obtained, includes the SN of the data packet in second state report.

In conjunction with the first possible implementation of the 7th aspect, in a sixth possible implementation,

The acquiring unit is specifically used for receiving measurement report, and the measurement report includes the measurement of the WLAN link Information, if the metrical information meets preset abnormal Rule of judgment, it is determined that the WLAN link is abnormal.

In conjunction with the 7th aspect above-mentioned, in the 7th kind of possible implementation,

The acquiring unit carries in the link unexpected message specifically for receiving the link unexpected message of WT transmission The link indicates extremely.

In conjunction with the 7th aspect above-mentioned, in the 8th kind of possible implementation,

The acquiring unit, the link unexpected message sent specifically for receiving the UE, in the link unexpected message The link is carried to indicate extremely.

In conjunction with the 7th aspect above-mentioned, in the 9th kind of possible implementation,

The acquiring unit carries in the link unexpected message specifically for receiving the link unexpected message of AP transmission The link indicates extremely.

In conjunction with the 9th kind of the first possible implementation of the 7th aspect above-mentioned or the 7th aspect to the 7th aspect Any implementation in possible implementation, in the tenth kind of possible implementation, the PDU to be transmitted includes It has been distributed to the PDU that the UE is not transferred in the PDU of the cellular network link and the WLAN link,

The transmission unit is specifically used for requesting to the UE status report, and receives the feedback that the UE is sent State report, and according to the condition report feedback, do not transmitted by the cellular network link to UE transmission is described To the PDU of the UE, the state report request is used for the PDU for requesting to be not transferred to the UE described in the UE feedback, described Condition report feedback is used to indicate the PDU for being not transferred to the UE.

In conjunction with the tenth kind of the first possible implementation of the 7th aspect above-mentioned or the 7th aspect to the 5th aspect Any implementation in possible implementation, in a kind of the tenth possible implementation, the base station further includes control Unit processed,

Described control unit, the link for being obtained according to the acquiring unit indicate extremely, control the UE weight Build WLAN link.

Eighth aspect, the present invention provide a kind of UE, comprising:

Generation unit indicates, the chain extremely for when determination unit determines that WLAN link is abnormal, generating link Road instruction extremely is used to indicate the WLAN link and is abnormal；

Transmission unit, the link for being generated according to the generation unit indicates extremely, stops PDU to be transmitted It is distributed to cellular network link and the WLAN link transmission, and described to be passed to base station transmission by the cellular network link Defeated PDU.

In the first possible implementation of eighth aspect, the UE further includes transmission unit,

The transmission unit indicates, institute extremely for sending the link that the generation unit generates to the base station It states link instruction extremely and determines that the WLAN link is abnormal for the base station.

In conjunction with the possible implementation of the first of eighth aspect above-mentioned or eighth aspect, in second of possible realization In mode,

The determination unit, for determining the re-transmission for being distributed to the WLAN link transmission at least one re-transmission PDU PDU, if the re-transmission PDU for being distributed to the WLAN link transmission meets preset condition, it is determined that the WLAN link occurs It is abnormal,

In conjunction with second of possible implementation of eighth aspect, in the third possible implementation,

The transmission unit, be also used to the determination unit determine at least one retransmit PDU in be distributed to the WLAN Before the re-transmission PDU of link transmission, the PDU to be transmitted is distributed to the cellular network link and the WLAN link passes It is defeated；

The UE further includes recording unit and acquiring unit,

The recording unit, the sequence number for being distributed to the PDU of the WLAN link transmission for recording the transmission unit SN；

The acquiring unit, for obtaining the SN of at least one re-transmission PDU；

The determination unit, specifically for according to the acquiring unit obtain described at least one retransmit PDU SN and It is distributed to the SN of the PDU of the WLAN link transmission described in the recording unit records, is distributed to the WLAN described in determination The re-transmission PDU of link transmission.

In conjunction with the possible implementation of the first of eighth aspect above-mentioned or eighth aspect, in the 4th kind of possible realization In mode,

The determination unit, specifically for obtaining the metrical information of the WLAN link, if the metrical information meets in advance If abnormal Rule of judgment, the UE then determines that the WLAN link is abnormal, and the metrical information is for described in determining Whether WLAN link is abnormal.

In conjunction with the 4th kind of the possible implementation of the first of eighth aspect above-mentioned or eighth aspect to eighth aspect Any implementation in possible implementation, in a fifth possible implementation, the PDU to be transmitted includes It has been distributed to the PDU that the base station is not transferred in the cellular network link and the PDU of the WLAN link transmission,

The transmission unit is specifically used for requesting to the base station status report, and receives what the base station was sent Condition report feedback, and according to the condition report feedback, by the cellular network link to described in the transmission of the base station It is not transferred to the PDU of the base station, the state report request is for requesting to be not transferred to the base described in the base station feedback The PDU to stand, the condition report feedback are used to indicate the PDU for being not transferred to the base station.

9th aspect, the present invention provide a kind of UE, comprising:

Receiving unit carries the chain in the link unexpected message for receiving the link unexpected message of base station transmission Road indicates that link instruction extremely is used to indicate WLAN link and is abnormal extremely；

Transmission unit stops for being indicated extremely according to the received link of the receiving unit by agreement number to be transmitted It is distributed to cellular network link and the WLAN link transmission according to unit PDU, and is sent out by the cellular network link to base station Send the PDU to be transmitted.

In the first possible implementation of the 9th aspect, the UE further includes acquiring unit and transmission unit,

The acquiring unit, for obtaining institute before the link unexpected message that the receiving unit receives that base station is sent The metrical information of WLAN link is stated, the metrical information is for determining whether the WLAN link is abnormal；

The transmission unit, for sending measurement report to the base station, the measurement report includes the WLAN link Metrical information.

In conjunction with the first possible implementation of the 9th aspect above-mentioned or the 9th aspect, in second of possible practice In mode, the PDU to be transmitted includes being distributed in the cellular network link and the PDU of the WLAN link transmission It is not transferred to the PDU of the base station,

Tenth aspect, the present invention provide a kind of WT, comprising:

Acquiring unit, for obtaining the metrical information of the WLAN link, the metrical information is for determining the WLAN Whether link is abnormal；

Generation unit, if meeting preset abnormal Rule of judgment for the metrical information that the acquiring unit obtains, It then generates link to indicate extremely, link instruction extremely is used to indicate the WLAN link and is abnormal；

Transmission unit indicates extremely for sending the link to base station.

In the first possible implementation of the tenth aspect,

The transmission unit is specifically used for being taken in the link unexpected message to the base station transmission link unexpected message It is indicated extremely with the link.

Tenth on the one hand, and the present invention provides a kind of access point AP, comprising:

Monitoring unit, is used for monitoring frame loss rate, and the packet loss is used to characterize the ratio of the AP forwarding PDU failure；

Generation unit, for being greater than or equal to preset packet loss threshold value when the packet loss of monitoring unit monitoring When, it generates link and indicates extremely, link instruction extremely is used to indicate the WLAN link and is abnormal；

Transmission unit indicates extremely for sending the link that the generation unit generates to base station.

In the first possible implementation of the tenth one side,

The transmission unit is specifically used for being taken in the link unexpected message to the base station transmission link unexpected message It is indicated extremely with the link that the generation unit generates.

12nd aspect, the present invention provide a kind of AP, comprising:

Determination unit, for determining the sequence number SN for being distributed to the data packet of WLAN link transmission failure, the data packet Including at least one PDU, the SN of the data packet is for determining whether the WLAN link is abnormal；

Transmission unit, for including what the determination unit determined to base station status report, in the state report The SN of the data packet.

In the first possible implementation of the 12nd aspect, the AP further includes receiving unit,

The receiving unit, for determining the SN for being distributed to the data packet of WLAN link transmission failure in the determination unit Before, the data packet that the base station is sent is received, includes the SN of the data packet in the packet header of the data packet；

The determination unit determines the SN of the data packet specifically for the packet header according to the data packet.

13rd aspect, the present invention mention a kind of base station, comprising:

Processor indicates extremely for obtaining link, and is indicated extremely according to the link, stops PDU to be transmitted It is distributed to cellular network link and the WLAN link transmission, and described to be passed to UE transmission by the cellular network link Defeated PDU, link instruction extremely are used to indicate WLAN link and are abnormal.

In the first possible implementation of the 13rd aspect,

The processor indicates extremely specifically for when determining that the WLAN link is abnormal, generating the link.

In conjunction with the first possible implementation of the 13rd aspect, in the second possible implementation,

The processor is distributed to the re-transmission of the WLAN link transmission specifically for determining at least one re-transmission PDU PDU, if the re-transmission PDU for being distributed to the WLAN link transmission meets preset condition, it is determined that the WLAN link occurs It is abnormal,

In conjunction with second of possible implementation of the 13rd aspect, in the third possible implementation,

The processor is also used to be distributed to the re-transmission of the WLAN link transmission in determining at least one re-transmission PDU Before PDU, the PDU to be transmitted is distributed to the cellular network link and the WLAN link transmission, and record distribution To the mark of the PDU of the WLAN link transmission, and obtain it is described at least one retransmit the mark of PDU, and according to it is described extremely The mark of few re-transmission PDU and the mark of the PDU for being distributed to the WLAN link transmission, determine described in be distributed to it is described The re-transmission PDU of WLAN link transmission.

In conjunction with the third possible implementation of the 13rd aspect, in the fourth possible implementation, the place The sequence number SN for being identified as at least one re-transmission PDU at least one re-transmission PDU that reason device obtains,

The processor is reported specifically for receiving the first state that the UE is sent, and is reported from the first state The SN that at least one retransmits PDU described in middle acquisition, include in first state report it is described at least one retransmit the SN of PDU.

In conjunction with the third possible implementation of the 13rd aspect, in a fifth possible implementation, the place At least one re-transmission PDU's that reason device obtains is identified as the SN for being distributed to the data packet of the WLAN link transmission failure, The data packet includes at least one re-transmission PDU,

The processor, the second state report sent specifically for receiving AP, and obtained from second state report The SN of the data packet is taken, includes the SN of the data packet in second state report.

In conjunction with the first possible implementation of the 13rd aspect, in a sixth possible implementation,

The processor is specifically used for receiving measurement report, and the measurement report includes the measurement letter of the WLAN link Breath, if the metrical information meets preset abnormal Rule of judgment, it is determined that the WLAN link is abnormal.

In conjunction with the 13rd aspect above-mentioned, in the 7th kind of possible implementation,

The processor carries institute in the link unexpected message specifically for receiving the link unexpected message of WT transmission Link is stated to indicate extremely.

In conjunction with the 13rd aspect above-mentioned, in the 8th kind of possible implementation,

The processor is taken in the link unexpected message specifically for receiving the link unexpected message of the UE transmission It is indicated extremely with the link.

In conjunction with the 13rd aspect above-mentioned, in the 9th kind of possible implementation,

The processor carries institute in the link unexpected message specifically for receiving the link unexpected message of AP transmission Link is stated to indicate extremely.

In conjunction with the first possible implementation of the 13rd aspect above-mentioned or the 13rd aspect to the 13rd aspect Any implementation in 9th kind of possible implementation, the PDU to be transmitted include being distributed to the honeycomb The PDU of the UE is not transferred in the PDU of network link and the WLAN link,

The processor is specifically used for requesting to the UE status report, and receives the feedback shape that the UE is sent State report, and according to the condition report feedback, be not transferred to by the cellular network link to described in UE transmission The PDU of the UE, the state report request is used for the PDU for requesting to be not transferred to the UE described in the UE feedback, described anti- Feedback state report is used to indicate the PDU for being not transferred to the UE.

In conjunction with the first possible implementation of the 13rd aspect above-mentioned or the 13rd aspect to the 13rd aspect Any implementation in tenth kind of possible implementation, in a kind of the tenth possible implementation,

The processor is also used to be indicated extremely according to the link, controls the UE and rebuild WLAN link.

Fourteenth aspect, the present invention provide a kind of UE, comprising:

Processor, for when determining that WLAN link is abnormal, generating link instruction extremely, and it is different according to the link Often instruction stops for PDU to be transmitted being distributed to cellular network link and the WLAN link transmission, and passes through the honeycomb Network link sends the PDU to be transmitted to base station, and it is different that link instruction extremely is used to indicate the WLAN link generation Often.

In the first possible implementation of fourteenth aspect, the UE further includes transceiver,

The transceiver indicates, the chain extremely for sending the link that the processor generates to the base station Road instruction extremely determines that the WLAN link is abnormal for the base station.

It is possible at second in conjunction with the possible implementation of the first of fourteenth aspect above-mentioned or fourteenth aspect In implementation,

In conjunction with second of possible implementation of fourteenth aspect, in the third possible implementation,

The processor is also used to be distributed to the re-transmission of the WLAN link transmission in determining at least one re-transmission PDU Before PDU, the PDU to be transmitted is distributed to the cellular network link and the WLAN link transmission, and described in record The sequence number SN of the PDU of WLAN link transmission, and the SN of at least one re-transmission PDU is obtained, and according to described at least one It is a retransmit PDU SN and the PDU for being distributed to the WLAN link transmission SN, determine described in be distributed to the WLAN link The re-transmission PDU of transmission.

It is possible at the 4th kind in conjunction with the possible implementation of the first of fourteenth aspect above-mentioned or fourteenth aspect In implementation,

The processor is preset specifically for obtaining the metrical information of the WLAN link if the metrical information meets Abnormal Rule of judgment, the UE then determines that the WLAN link is abnormal, and the metrical information is for determining the WLAN Whether link is abnormal.

In conjunction with the possible implementation of the first of fourteenth aspect above-mentioned or fourteenth aspect to fourteenth aspect Any implementation in 4th kind of possible implementation, it is in a fifth possible implementation, described to be transmitted PDU includes the PDU that the base station is not transferred in the PDU for be distributed to the cellular network link and the WLAN link,

The processor is specifically used for requesting to the base station status report, and receives the anti-of the base station transmission State report is presented, and according to the condition report feedback, it is described not to base station transmission by the cellular network link It is transmitted to the PDU of the base station, the state report request is for requesting to be not transferred to the base station described in the base station feedback PDU, the condition report feedback is used to indicate the PDU for being not transferred to the base station.

15th aspect, the present invention provide a kind of UE, comprising:

Processor carries the link in the link unexpected message for receiving the link unexpected message of base station transmission Abnormal instruction, link instruction extremely are used to indicate WLAN link and are abnormal；

The processor is also used to be indicated extremely according to the link, stop protocol Data Unit PDU to be transmitted points It is dealt into cellular network link and the WLAN link transmission, and described to be transmitted to base station transmission by the cellular network link PDU.

In the first possible implementation of the 15th aspect,

The processor is also used to before receiving the link unexpected message that base station is sent, obtains the WLAN link Metrical information, the metrical information is for determining whether the WLAN link is abnormal；

The processor is also used to send measurement report to the base station, and the measurement report includes the WLAN link Metrical information.

It is possible at second in conjunction with the first possible implementation of the 15th aspect above-mentioned or the 15th aspect In practice, the PDU to be transmitted includes being distributed in the PDU of the cellular network link and the WLAN link It is not transferred to the PDU of the base station,

16th aspect, the present invention provide a kind of WT, comprising:

Processor, for obtaining the metrical information of the WLAN link, the metrical information is for determining the WLAN chain Whether road is abnormal；

The processor generates link exception if being also used to the metrical information meets preset abnormal Rule of judgment Instruction, link instruction extremely are used to indicate the WLAN link and are abnormal；

Transceiver indicates extremely for sending the link to base station.

In the first possible implementation of the 16th aspect,

The transceiver is specifically used for being carried in the link unexpected message to the base station transmission link unexpected message The link indicates extremely.

17th aspect, the present invention provide a kind of AP, comprising:

Processor is used for monitoring frame loss rate, and when the packet loss is greater than or equal to preset packet loss threshold value, generates Link indicates that the packet loss is used to characterize the ratio of the AP forwarding PDU failure, and link instruction extremely is for referring to extremely Show that the WLAN link is abnormal；

Transceiver indicates extremely for sending the link that the processor generates to base station.

In the first possible implementation of the 17th aspect,

The transceiver is specifically used for being carried in the link unexpected message to the base station transmission link unexpected message The link that the processor generates indicates extremely.

18th aspect, the present invention provide a kind of AP, comprising:

Processor, for determining the sequence number SN for being distributed to the data packet of WLAN link transmission failure, the data packet packet At least one PDU is included, the SN of the data packet is for determining whether the WLAN link is abnormal；

Transceiver, for include to base station status report, in the state report processor determine it is described The SN of data packet.

In the first possible implementation of the 18th aspect,

The transceiver, be also used to the processor determine be distributed to WLAN link transmission failure data packet SN it Before, the data packet that the base station is sent is received, includes the SN of the data packet in the packet header of the data packet；

The processor determines the SN of the data packet specifically for the packet header according to the data packet.

19th aspect, the present invention provide a kind of communication system, comprising:

Base station as described in the possible implementation of any one in terms of the above-mentioned 7th or in terms of the 7th, such as above-mentioned eighth UE described in the possible implementation of any one of face or eighth aspect, and as the above-mentioned tenth on the one hand or the tenth one side AP described in the first possible implementation；Alternatively,

Base station as described in the possible implementation of any one in terms of the above-mentioned 7th or in terms of the 7th, such as above-mentioned eighth In terms of UE described in the possible implementation of any one of face or eighth aspect, and the such as the above-mentioned 12nd or in terms of the 12nd AP described in the first possible implementation；Alternatively,

Base station as described in the possible implementation of any one in terms of the above-mentioned 13rd or in terms of the 13rd, such as above-mentioned the UE described in the possible implementation of any one of 14 aspects or 14 aspects, and as in terms of the above-mentioned 17th or the 17th AP described in the possible implementation of the first of aspect；

Base station as described in the possible implementation of any one in terms of the above-mentioned 13rd or in terms of the 13rd, such as above-mentioned the UE described in the possible implementation of any one of 14 aspects or 14 aspects, and as in terms of the above-mentioned 18th or the 18th AP described in the possible implementation of the first of aspect；Alternatively,

Base station as described in the possible implementation of any one in terms of the above-mentioned 7th or in terms of the 7th, such as above-mentioned eighth First in terms of UE described in the possible implementation of any one of face or eighth aspect, and the such as the above-mentioned tenth or in terms of the tenth WT described in the possible implementation of kind；Alternatively,

Base station as described in the possible implementation of any one in terms of the above-mentioned 7th or in terms of the 7th, such as above-mentioned 9th side First in terms of UE, and the such as the above-mentioned tenth described in the possible implementation of any one of face or the 9th aspect or in terms of the tenth WT described in the possible implementation of kind；Alternatively,

Base station as described in the possible implementation of any one in terms of the above-mentioned 13rd or in terms of the 13rd, such as above-mentioned the UE described in the possible implementation of any one of 14 aspects or 14 aspects, and as in terms of the above-mentioned 16th or the 16th WT described in the possible implementation of the first of aspect；

Base station as described in the possible implementation of any one in terms of the above-mentioned 13rd or in terms of the 13rd, such as above-mentioned the UE described in the possible implementation of any one of 15 aspects or 15 aspects, and as in terms of the above-mentioned 16th or the 16th WT described in the possible implementation of the first of aspect.

The processing method of WLAN link exception, apparatus and system in MSA provided by the invention, can obtain link and refer to extremely Show, and indicated extremely according to the link, stops PDU to be transmitted being distributed to cellular network link and WLAN link transmission, with And PDU to be transmitted is sent to UE by cellular network link, it is different that link instruction extremely is used to indicate WLAN link generation Often.The processing method of WLAN link exception, apparatus and system, can determine in MSA in the MSA provided through the invention WLAN link is abnormal, caused by avoiding the WLAN link transmission for being persistently distributed to PDU to be transmitted and being abnormal PDU transmission failure, thus guarantee in MSA PDU can normal transmission, and then promote the efficiency of transmission of PDU in MSA.

Detailed description of the invention

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention.

Fig. 1 is the schematic diagram of the technology of a kind of pair of cellular network provided in an embodiment of the present invention and WLAN progress MSA；

Fig. 2 is the flow chart one of the processing method of WLAN link exception in a kind of MSA provided in an embodiment of the present invention；

Fig. 3 is the flowchart 2 of the processing method of WLAN link exception in a kind of MSA provided in an embodiment of the present invention；

Fig. 4 is the flow chart 3 of the processing method of WLAN link exception in a kind of MSA provided in an embodiment of the present invention；

Fig. 5 is the flow chart four of the processing method of WLAN link exception in a kind of MSA provided in an embodiment of the present invention；

Fig. 6 is the flow chart five of the processing method of WLAN link exception in a kind of MSA provided in an embodiment of the present invention；

Fig. 7 is the structural schematic diagram of a data packet provided in an embodiment of the present invention；

Fig. 8 is the flow chart six of the processing method of WLAN link exception in a kind of MSA provided in an embodiment of the present invention；

Fig. 9 is the structural schematic diagram of a PDU provided in an embodiment of the present invention；

Figure 10 is the flow chart seven of the processing method of WLAN link exception in a kind of MSA provided in an embodiment of the present invention；

Figure 11 is the flow chart eight of the processing method of WLAN link exception in a kind of MSA provided in an embodiment of the present invention；

Figure 12 is a kind of structural schematic diagram one for base station that inventive embodiments provide；

Figure 13 is a kind of structural schematic diagram two for base station that inventive embodiments provide；

Figure 14 is a kind of structural schematic diagram three for base station that inventive embodiments provide；

Figure 15 is a kind of structural schematic diagram one for UE that inventive embodiments provide；

Figure 16 is a kind of structural schematic diagram two for UE that inventive embodiments provide；

Figure 17 is a kind of structural schematic diagram three for UE that inventive embodiments provide；

Figure 18 is a kind of structural schematic diagram one for AP that inventive embodiments provide；

Figure 19 is a kind of structural schematic diagram two for AP that inventive embodiments provide；

Figure 20 is a kind of structural schematic diagram three for AP that inventive embodiments provide；

Figure 21 is a kind of hardware structural diagram for base station that inventive embodiments provide；

Figure 22 is a kind of hardware structural diagram one for UE that inventive embodiments provide；

Figure 23 is a kind of hardware structural diagram two for UE that inventive embodiments provide；

Figure 24 is a kind of hardware structural diagram one for AP that inventive embodiments provide；

Figure 25 is a kind of hardware structural diagram two for AP that inventive embodiments provide；

Figure 26 is a kind of communication system block diagram that inventive embodiments provide；

Figure 27 is the flow chart nine of the processing method of WLAN link exception in a kind of MSA provided in an embodiment of the present invention；

Figure 28 is the flow chart ten of the processing method of WLAN link exception in a kind of MSA provided in an embodiment of the present invention；

Figure 29 is a kind of structural schematic diagram four for UE that inventive embodiments provide；

Figure 30 is a kind of structural schematic diagram five for UE that inventive embodiments provide；

Figure 31 is a kind of structural schematic diagram for WT that inventive embodiments provide；

Figure 32 is a kind of hardware structural diagram three for UE that inventive embodiments provide；

Figure 33 is a kind of hardware structural diagram for WT that inventive embodiments provide；

Figure 34 is another communication system block diagram that inventive embodiments provide.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.

Before illustrating the embodiment of the present invention, the technology for carrying out MSA to cellular network and WLAN first is carried out briefly It is bright.With being continuously increased for UE quantity, the type of service that UE can be supported also is being increased rapidly, so that current wireless network Edge throughput is unable to satisfy user demand.Therefore in order to promote the edge throughput of wireless network, people to cellular network and WLAN carries out the technology of MSA, can be by these for business that some pairs of propagation delay times are of less demanding, such as downloading, upload etc. A part of the data of business is distributed to WLAN link transmission, and a part is distributed to cellular network link transmission, to promote nothing The edge throughput of gauze network.

Due in existing MSA, only relating to how transmitting terminal determines that cellular network link link occurs Radio Link and loses The scheme lost, and be not directed to transmitting terminal and how to determine the scheme that WLAN link is abnormal, therefore, in existing MSA, Do not ensure that data being capable of normal transmission.Specifically, transmitting terminal can still continue data point when WLAN link is abnormal It is dealt into the WLAN link transmission, the data so as to will lead to through the WLAN link transmission constantly retransmit, until the data Number of retransmissions over a wlan link reaches preset maximum value, and is abandoned by transmitting terminal, the data transmission fails.

In order to guarantee in MSA, data can normal transmission, it is different that the embodiment of the present invention provides WLAN link in a kind of MSA Normal processing method, apparatus and system, can determine that WLAN link is abnormal, to guarantee that data can be just in MSA Often transmission.

Further, in embodiments of the present invention, when carrying out MSA to cellular network and WLAN, transmitting terminal can sent out The rlc layer of sending end is physically distributed protocol Data Unit (English: protocol data unit, abbreviation: PDU), connects Rlc layer of the receiving end in receiving end physically converges received PDU；Transmitting terminal can also converge in the packet data of transmitting terminal To protocol Data Unit on poly- agreement (English: packet data convergence protocol, abbreviation: PDCP) layer entity (English: protocol dataunit, abbreviation: PDU) is distributed, and receiving end is on the PDCP layer entity of receiving end to reception PDU converge etc., the present invention is with no restriction.

Illustratively, the rlc layer with transmitting terminal in transmitting terminal is physically distributed PDU, and receiving end is in receiving end For rlc layer physically converges received PDU, as shown in Figure 1, being a kind of pair of Cellular Networks provided in an embodiment of the present invention Network and WLAN carry out the schematic diagram of MSA.When PDU is physically distributed to cellular network link in the rlc layer of transmitting terminal by transmitting terminal When with transmitting in WLAN link, the media access control (English: media of the rlc layer entity and WLAN in transmitting terminal is needed Access control, abbreviation: MAC) increase an interface between layer entity, which, which can be used for transmitting terminal, will pass through rlc layer The PDU of entity distribution is sent to the MAC layer entity of WLAN, so that transmitting terminal can be distributed to WLAN chain by WLAN link transmission The PDU on road.When rlc layer of the receiving end in receiving end physically carries out the convergence of PDU, it is also desirable to the rlc layer entity in receiving end Increase an interface between the MAC layer entity of WLAN, the rlc layer entity reception which can be used for receiving end passes through WLAN The PDU of link transmission, and then receiving end can be passed the received PDU by WLAN link transmission with received by cellular network Defeated PDU is converged.

Further, in embodiments of the present invention, it is also necessary to increase an arbitration functions in the rlc layer entity of transmitting terminal Module, which is used to judge that the PDU retransmitted to be to be distributed to cellular network link by transmitting terminal to transmit, or by transmitting terminal It is distributed to WLAN link transmission, and is distributed to the number of retransmissions of the PDU that the needs of WLAN link retransmit and whether reaches default Maximum retransmission, or be distributed to whether the PDU proportion that the needs of WLAN link retransmit is more than preset maximum Ratio, so that the result that transmitting terminal can judge according to the functional module executes corresponding operation.

Wherein, above-mentioned rlc layer entity can be understood as the processing module of rlc layer in network, and above-mentioned PDCP layer entity can be with It is interpreted as PDCP layers in network of processing module, above-mentioned MAC layer entity can be understood as the processing module of MAC layer in network.

It further, is by base station by PDU to be transmitted points in downlink (English: downlink, abbreviation: DL) It is dealt into what cellular network link and WLAN chain road direction UE were sent.It is by UE in uplink (English: uplink, abbreviation: UL) PDU to be transmitted is distributed to what cellular network link and the chain road direction base station WLAN were sent.

It should be noted that in the present embodiment, the rlc layer entity of transmitting terminal and receiving end all works in affirmation mode. Affirmation mode refers to that PDU to be transmitted is distributed to cellular network link to transmitting terminal and the chain road direction receiving end WLAN is transmitted, and receives End can return to a state report to transmitting terminal, wherein the state report is used to indicate according to itself reception condition to PDU The PDU of the PDU of transmission success and non-transmission success.It, can be according to the shape after transmitting terminal receives the state report of receiving end transmission The PDU of the non-transmission success indicated in state report initiates to retransmit.

Specifically, receiving end can be ranked up its received PDU when receiving end receives the PDU that transmitting terminal is sent.? During receiving end is ranked up the PDU that receiving end receives, as receiving end detect its fail received in-order to some PDU, then receiving end starts the timer that reorders, if receiving end does not receive the PDU yet, then after the timer expiry that reorders Receiving end can carry retransmission request in the state report, for asking by cellular network link to transmitting terminal status report Transmitting terminal is asked to retransmit the PDU.It, to after transmitting terminal status report, is opened again by cellular network link receiving end The dynamic timer that reorders, if receiving end does not receive the PDU still, then receiving end is in next time after the timer expiry that reorders Still the retransmission request to the PDU is carried when to transmitting terminal status report, until receiving end is successfully received the PDU；Or When person's transmitting terminal detects that the number of retransmissions of the PDU reaches preset maximum retransmission, then it is assumed that nothing has occurred in cellular network Wired link failure.

Optionally, cellular network can be the network of the subsequent evolution of LTE network, LTE, General Mobile in the embodiment of the present invention Communication system (English: universal mobile telecommunications system, abbreviation: UMTS) etc..Correspondingly, Base station described in the embodiment of the present invention can be evolved base station (English: evolved-NodeB, abbreviation: eNB), and LTE is subsequent Base station equipment in the network of evolution in similar base station equipment or UMTS.

UE in the embodiment of the present invention be it is static, be also possible to it is mobile, for example, platform (English: Station), moving Dynamic platform (English: Mobile Station), PC (English: Personal Computer), laptop computer (English: Laptop Computer), tablet computer (English: Tablet Computer), net book (English: Netbook), terminal (English Text: Terminal), it is cellular phone (English: Cellular Phone), wireless phone (English: Cordless Phone), personal Digital assistants (English: Personal Digital Assistant, abbreviation: PDA), lead to data card (English: Data Card) With universal serial bus (English: Uninersal Serial Bus, abbreviation: USB) insertion equipment, mobile Wi-Fi hotspot equipment (English: MiFi Devices), smartwatch, intelligent glasses, radio modem (English: Modem), wireless router, it is wireless this Ground loop (English: Wireless Local Loop, abbreviation: WLL) platform etc..

Embodiment one

The embodiment of the present invention provides a kind of processing method of WLAN link exception in MSA, as shown in Fig. 2, this method can be with Include:

S101, base station obtain link and indicate extremely, and link instruction extremely is used to indicate WLAN link and is abnormal.

Specifically, base station can obtain the exception chain by receives link unexpected message in a kind of possible implementation The link carried in the message of road indicates extremely, wherein link unexpected message can be sent to base station for UE, or AP hair Base station is given, base station can also be sent to for WT.In alternatively possible implementation, base station can determine the WLAN After link is abnormal, generates the link and indicate extremely.

Further, base station receives the detailed process for the link unexpected message that WT, UE or AP are sent and base station determines and is somebody's turn to do WLAN link is abnormal and generates the detailed process that link indicates extremely, will be described in detail in the following embodiments, Details are not described herein again.

It is worth noting that base station determines there are many modes that the WLAN link is abnormal, in embodiments of the present invention, Base station can determine that the WLAN link is abnormal according to the re-transmission PDU for being distributed to the WLAN link transmission, can also be according to connecing The measurement report received determines that the WLAN link is abnormal.

Further, right for determining that the WLAN link is abnormal according to the measurement report received by base station below Base station determines that the WLAN link is abnormal and is illustratively illustrated.

In embodiments of the present invention, between base station and AP can by WLAN terminal (English: WLAN Termination, Abbreviation: WT) carry out information interaction, therefore, base station can receive WT transmission measurement report.

Specifically, including the metrical information of the WLAN link in the measurement report that WT is sent.It is sent when base station receives WT Measurement report after, judge whether the metrical information for including in the measurement report meets preset abnormal Rule of judgment.

Illustratively, which may include the backhaul transport data rate (English: backhaul of the WLAN link Data rates) and the information that is read from the AP of the WLAN link of the WT such as channel utilization.The metrical information also may include The AP is sent to the number of the number of the UE re-transmission PDU for initiating to retransmit, the AP PDU to fail to UE transmission or the AP to UE The WT such as the rate of data pass through the information that obtains after measuring to the AP.The metrical information can also include WT to base station requests The SN of the re-transmission data packet of re-transmission.

It should be noted that being more by the way that the PDU for being distributed to the WLAN link to be packaged into when base station sends PDU to WT A data packet is sent to WT, and is allocation of packets one continuous and unique SN of each of multiple data packet.When After WT receives the data packet of base station transmission, if WT determines the SN and last time received data packet of this received data packet SN is discontinuous, then WT is the data packet transmission failure that can determine base station and send to the WT, and WT can be according to its received data The continuity of packet determines which specific data packet transmission failure, thus WT can determination need to base station requests to those data packets into Row retransmits.

After base station receives the measurement report of WT transmission, whether base station judges the metrical information carried in the measurement report Meet preset abnormal Rule of judgment.

Illustratively, when the metrical information includes the backhaul transport data rate and channel utilization of the WLAN link, The preset abnormal Rule of judgment may include the minimum threshold and preset channel benefit of preset backhaul transport data rate With the minimum threshold of rate.If base station determines that received backhaul transport data rate is less than preset backhaul transport data speed The minimum threshold of rate, and/or base station determines that received channel utilization is less than the minimum gate of preset channel utilization Limit value, then base station can determine that the metrical information meets the preset abnormal Rule of judgment.

When the metrical information includes of the AP to the number of the UE PDU for initiating to retransmit, the AP PDU to fail to UE transmission When the several or AP sends the rate of data to UE, which may include the maximum for the PDU for allowing to retransmit Number, the maximum number for allowing to transmit the PDU to fail, or the minimum-rate for allowing AP to send data to UE.If base station determines it The number of the re-transmission PDU received is greater than the maximum number of the PDU for allowing to retransmit, and base station determines received transmission failure PDU number be greater than this allow transmit fail PDU maximum number or base station determine the received AP to UE send out The rate of data is sent to be less than the minimum-rate that permission AP sends data to UE, then base station can determine received measurement letter Breath meets the exception Rule of judgment.

When the metrical information includes retransmitting the SN of data packet, which may include the data for allowing to retransmit The maximum number of packet.If base station determines that the number of the received SN for retransmitting data packet is greater than the data packet for allowing to retransmit Maximum number, then base station can determine that received metrical information meets the exception Rule of judgment.

Further, when the metrical information for including in the measurement report that base station determines WT transmission meets preset abnormal judgement When condition, base station can determine that the WLAN link is abnormal, and indicate extremely so that base station generates link.

Optionally, base station also can receive the measurement report of UE transmission, determine the WLAN according to the measurement report that UE is sent Link is abnormal.It include the metrical information of the WLAN link in the measurement report.The metrical information may include the WLAN chain Beacon (the English that the UE such as the backhaul transport data rate on road, channel utilization are sent from AP；Beacon) the information obtained in frame, It can also include the received signal strength indicator (English: received signal obtained after the UE measures the beacon frame Strength indication, abbreviation: RSSI).

Further, after base station receives the measurement report of UE transmission, base station judges the survey carried in the measurement report Whether amount information meets preset abnormal Rule of judgment.Wherein, preset abnormal Rule of judgment may include that preset backhaul passes The minimum threshold of transmission of data rate, the minimum threshold of preset channel utilization, minimum threshold of preset RSSI etc.. When base station determine received backhaul transport data rate be less than the preset backhaul transport data rate minimum threshold, And/or the minimum threshold of the preset channel utilization of channel utilization that base station receives, and/or the RSSI that base station receives When minimum threshold less than the preset RSSI, base station can determine that the metrical information meets this and preset abnormal judges item Part, so that base station determines that the WLAN link is abnormal, and then base station generates link and indicates extremely.

Optionally, base station can also determine the measurement that WT is sent after receiving the measurement report that above-mentioned WT and UE is sent Each single item metrical information in report is all satisfied preset abnormal Rule of judgment, and each single item in the measurement report of UE transmission is surveyed When amount information is also all satisfied preset abnormal Rule of judgment, determine that the WLAN link is abnormal, and then base station generation link is different Often instruction.

S102, base station indicate extremely according to the link, stop for PDU to be transmitted being distributed to cellular network link and be somebody's turn to do WLAN link transmission, and PDU to be transmitted is sent to UE by cellular network link.

In the embodiment of the present invention, in DL, base station is indicated extremely by obtaining link, after determining the WLAN link exception, Base station can stop for PDU to be transmitted being distributed to cellular network link according to link instruction extremely and the WLAN link passes Defeated, i.e., base station stops MSA, and sends PDU to be transmitted to UE by cellular network link, to guarantee that base station can will be to be transmitted PDU be successfully transmitted to UE, continue for PDU to be transmitted to be distributed to the WLAN link that is abnormal passing so as to avoid base station It is defeated, lead to the PDU transmission failure for being distributed to the WLAN link transmission.

Further, after base station is according to the link extremely instruction stopping MSA, base station can also control UE and rebuild WLAN chain Road, and after the process for completing to rebuild WLAN link, base station continues PDU to be transmitted being distributed to cellular network link and reconstruction WLAN link transmission, i.e., base station restart MSA so that being distributed to the PDU energy transmitted in the WLAN link of reconstruction Enough normal transmissions.

In UL, base station indicates that after determining the WLAN link exception, base station can also be according to this by obtaining link extremely Link indicates that instruction UE stops PDU to be transmitted being distributed to cellular network link and the WLAN link transmission, i.e. base station extremely After indicating that UE stops MSA and UE stopping MSA, UE can send PDU to be transmitted to base station by cellular network link, to protect Card base station can normally receive the PDU of UE transmission.

Further, after in base station, instruction UE stops MSA, base station can also control UE and rebuild WLAN link, and complete in UE After rebuilding the process of WLAN link, base station instruction UE continues for PDU to be transmitted to be distributed to cellular network link and reconstruction WLAN link transmission, i.e. instruction UE restart MSA.Or after base station control UE completes to rebuild the process of WLAN link, UE Continue the WLAN link transmission that PDU to be transmitted is distributed to cellular network link and reconstruction, i.e. UE restarts MSA.

Wherein, above-mentioned PDU to be transmitted may include not being distributed to cellular network link and the WLAN link transmission PDU；It has been distributed to the PDU of cellular network link and the WLAN link transmission but transmission failure, that is, has waited the PDU of re-transmission, It can be referred to as to retransmit PDU.

Alternatively, above-mentioned PDU to be transmitted can also include not being distributed to cellular network link and the WLAN link transmission PDU, and it has been distributed to the PDU that UE is not transferred in cellular network link and the PDU of the WLAN link transmission.Wherein, not The PDU for being transmitted to UE includes the PDU for retransmitting PDU, being distributed to WLAN link but not transmitted to UE, and has been distributed to bee Nest network link but the PDU, the i.e. PDU that UE is not received not transmitted to UE.

Specifically, there are many implementations of base station control UE reconstruction WLAN link, it is exemplary in embodiments of the present invention Enumerate three kinds of possible implementations (mode one, mode two and mode three) to base station control UE rebuild WLAN link process It is illustrated.The embodiment of the present invention can also be in such a way that a kind of any other base station control UE rebuilds WLAN link, herein It will not enumerate.

Mode one, after MSA stops, the connection between the AP of WLAN link that base station instruction UE is disconnected and is abnormal, And indicate that UE scans the AP around the UE.After at least one AP is arrived in UE scanning, the mark of at least one AP is sent to by UE Base station, base station indicate at least one AP report measurement information according to the mark of at least one AP, thus know this at least one The information such as channel quality, the network load of a AP, and then the service quality that the UE is likely to be obtained at least one AP is assessed, Including propagation delay time and data throughout etc..The AP of an access conditions for meeting the UE is finally selected for UE from multiple AP Indicate UE access.

Wherein, the AP of the above-mentioned access conditions for meeting UE can for that can guarantee to provide larger data handling capacity for the UE, Or it can satisfy the AP that the propagation delay time of the UE requires.Certainly, the access conditions of above-mentioned UE, which is merely exemplary, enumerates, this hair Bright includes but is not limited to the access conditions of above-mentioned UE.

Specifically, the method for base station instruction UE access AP can send the access for meeting UE that base station determines to UE for base station The mark of the AP of condition, to indicate the UE access AP, to complete the process of reconstruction WLAN link.

It should be noted that if without full at least one AP that UE is reported around UE without scanning to AP or UE The AP of sufficient UE access condition, then in DL, base station can continue by cellular network link to send PDU to be transmitted to UE, with Guarantee that PDU to be transmitted being capable of normal transmission.In UL, UE can continue to transmit PDU to be transmitted by cellular network link, To guarantee that PDU to be transmitted being capable of normal transmission.

Mode two, after MSA stops, the connection between the AP of WLAN link that base station instruction UE is disconnected and is abnormal, And to there are the information such as each of all AP of link channel quality, the network load of AP to assess with the base station, with And selection meets the AP of the access conditions of UE from all AP.

Specifically, the mark of the AP for the access conditions for meeting UE that base station determines can be sent to UE by base station, and indicate UE The AP indicated the mark for the AP that UE peripheral base station is sent is scanned, so that UE passes through the signal for measuring the AP that the UE is scanned Intensity selects the strongest AP access of a signal strength from the AP that UE is scanned.

Particularly, when UE scans multiple AP in the AP indicated to base station to the mark of the UE AP sent, UE can be from An AP access is randomly choosed in this multiple AP.

The access conditions of UE described in the method is identical as the access conditions of UE described in mode one, no longer superfluous herein It states.

It should be noted that as all AP in the AP that UE does not scan the mark instruction to base station to the UE AP sent, In DL, base station can continue to transmit PDU to be transmitted by cellular network link, to guarantee that PDU to be transmitted can be normal Transmission.In UL, UE can continue to transmit PDU to be transmitted by cellular network link, to guarantee that PDU to be transmitted can be just Often transmission.

Mode three, after MSA stops, base station indicates the connection between the AP for the WLAN link that UE is disconnected and is abnormal, And to there are the information such as the channel quality of each of all AP of link AP or network load to assess with the base station, And the relative position of each of all AP AP and UE is judged, meet UE's to select one from all AP Access conditions and UE access is indicated with the smallest AP in the relative position of UE.

UE described in the method and mode one of the access conditions of UE described in the method and base station instruction UE access AP Access conditions and base station instruction UE access AP method it is identical, details are not described herein again.

It should be noted that when base station determines the AP for the access conditions for not meeting UE from all AP, in DL, base Station continues to transmit PDU to be transmitted by cellular network link, to guarantee that PDU to be transmitted being capable of normal transmission.In UL, Base station instruction UE continues to transmit PDU to be transmitted by cellular network link, to guarantee that PDU to be transmitted can be passed normally It is defeated.

Optionally, in aforesaid way one, mode two and mode three, after MSA stops, base station can also indicate that generation is different The AP of normal WLAN link disconnects the connection between UE, and indicates that UE rebuilds WLAN link, and specific base station control UE is rebuild The method of WLAN link describes in detail above, and details are not described herein again.

It should be noted that the company in aforesaid way one, between the AP for the WLAN link that UE is disconnected and is abnormal After connecing, UE can also voluntarily scan the AP around the UE.Specifically, the trigger condition that UE scans the AP around the UE can basis Actual conditions are designed, the invention is not limited in this regard.

Further, it is worth noting that, base station stops PDU to be transmitted being distributed to cellular network link and the WLAN After link transmission, PDU to be transmitted is sent to UE by cellular network link, can specifically include will not be distributed to Cellular Networks also The PDU of network link and the WLAN link transmission, and be distributed in cellular network link and the PDU of the WLAN link transmission It is not transferred to the PDU of UE, is sent by cellular network link to UE.

Specifically, base station stops after PDU to be transmitted to be distributed to cellular network link and the WLAN link transmission, base station It can be requested to UE status report, to request UE to be not transferred to base station feedback the PDU of the UE.UE receives the state report After accusing request, UE can determine which PDU the UE has do not receive according to the SN for the PDU having been received, i.e. determination is not transmitted To the PDU of the UE, condition report feedback is then generated according to the SN of the UE PDU for being not transferred to the UE determined.

Illustratively, if PDU to be transmitted refers to PDCP PDU, i.e., base station on PDCP layer entity to PDU to be transmitted into Row distribution, the PDU that UE sends the base station received on PDCP layer entity are converged, then the state report that base station is sent to UE Announcement can be PDCP state report.After UE receives the PDCP state report request of base station transmission, according to the SN of PDCP PDU With the continuity of the SN of PDCP PDU, the SN for the PDCP PDU that the UE is not received is determined, and do not received according to what it was determined The SN of PDCP PDU generate PDCP condition report feedback, and the PDCP condition report feedback is sent to base station, with instruction Which PDCP PDU base station has be not transferred to the UE.

Further, UE is according to the SN of the PDU having been received, and generates the concrete mode of condition report feedback, can be with Referring to associated description in the prior art, details are not described herein again.

Further, it is true according to the instruction of the condition report feedback after base station receives the condition report feedback that UE is sent Surely the PDU for being not transferred to the UE for being not transferred to the PDU of the UE, and being determined, He Haiwei be distributed to cellular network link and The PDU of the WLAN link transmission passes through cellular network link and sends to UE.

The processing method of WLAN link exception in MSA provided in an embodiment of the present invention, chain can be obtained by specifically including base station Road indicates extremely, and is indicated extremely according to the link, stops PDU to be transmitted being distributed to cellular network link and WLAN link Transmission, and PDU to be transmitted is sent to UE by cellular network link, link instruction extremely is used to indicate the WLAN link It is abnormal.It is indicated extremely in this way, base station can obtain link, and is indicated to determine the WLAN chain extremely according to the link Road is abnormal, so that base station can stop for PDU to be transmitted being distributed to WLAN link biography according to link instruction extremely It is defeated, and PDU to be transmitted is sent to UE by cellular network link, with guarantee PDU to be transmitted can normal transmission, and then keep away Base station is exempted to continue for PDU to be transmitted to be distributed to the WLAN link transmission being abnormal, has caused to be distributed to the WLAN link The PDU of transmission transmits failure.

The embodiment of the present invention provides a kind of processing method of WLAN link exception in MSA, as shown in figure 3, this method can be with Include:

S201, when UE determines that WLAN link is abnormal, UE generate link extremely indicate, the link extremely instruction be used for Indicate that the WLAN link is abnormal.

Specifically, when PDU to be transmitted is distributed to cellular network link and the chain road direction base station WLAN transmission by UE, UE It can determine that the WLAN link is abnormal according to the re-transmission PDU for being distributed to the WLAN link transmission, and generate link and refer to extremely Show.

Further, UE determines that the WLAN link is abnormal according to the re-transmission PDU for being distributed to the WLAN link transmission, and Generating the detailed process that link indicates extremely will be described in detail in the following embodiments, and details are not described herein again.

Optionally, the metrical information for the WLAN link that UE can also be got according to the UE determines that the WLAN link is It is no to be abnormal.

Specifically, UE is obtained there are many modes of the metrical information of the WLAN link.Illustratively, UE can pass through reception The beacon frame that AP is sent obtains the metrical information of the WLAN link.Wherein, which may include carrying in the beacon frame The WLAN link backhaul transport data rate, the information such as channel utilization.It can also include that UE surveys the beacon frame After amount, obtained RSSI.

UE can also be measured by the WLAN module to the UE to obtain the metrical information of the WLAN link.For example, UE can detecte the number for the PDU that WLAN module initiation retransmits or the WLAN module still transmit after repeatedly retransmitting The number of the PDU of failure, the i.e. metrical information may include the number of the number for retransmitting PDU or the PDU of transmission failure.UE can To send data to base station with the determining WLAN module by the situation of change of the buffer memory capacity for the WLAN module for detecting the UE Rate, the i.e. metrical information can also include the rate that the WLAN module sends data to base station.

Further, after UE gets the metrical information of the WLAN link, it is preset to judge whether the metrical information meets Abnormal Rule of judgment.Wherein, preset abnormal Rule of judgment can include but is not limited to preset backhaul transport data rate Minimum threshold, the minimum threshold of preset channel utilization, the minimum threshold of preset RSSI allow the PDU retransmitted Maximum number, allow to transmit the PDU to fail maximum number, allow WLAN module to send minimum-rates etc. of data to base station In one or more conditions.

Illustratively, if the metrical information include UE obtain backhaul transport data rate, the information such as channel utilization and RSSI, then when UE determines that the backhaul transport data rate that it is obtained is less than the minimum threshold of preset backhaul transport data rate Value, the channel utilization that UE is obtained is less than the minimum threshold of preset channel utilization, and/or the RSSI that UE is obtained is less than pre- If RSSI minimum threshold when, UE i.e. can determine that the metrical information that the UE is got meets the exception Rule of judgment, thus, UE determines that the WLAN link is abnormal, and is no longer appropriate for carrying out MSA, and then UE generates link and indicates extremely.

If the metrical information includes that the number for retransmitting PDU, the number of the PDU of transmission failure or WLAN module are sent out to base station When sending the rate of data, then when UE determines that the number for the re-transmission PDU that it is detected is greater than the maximum of the PDU for allowing to retransmit Number, the number of the PDU for the transmission failure that UE is detected are greater than the maximum number for allowing to transmit the PDU to fail or UE detection The WLAN module of the UE arrived is less than minimum of the permission WLAN module to base station transmission data to the rate that base station sends data When rate, UE can determine that the metrical information that the UE is got meets the exception Rule of judgment, thus, UE determines the WLAN link It is abnormal, is no longer appropriate for carrying out MSA, and then UE generates link and indicates extremely.

S202, UE are indicated extremely according to the link, stop PDU to be transmitted being distributed to cellular network link and the WLAN Link transmission, and PDU to be transmitted is sent to base station by cellular network link.

Wherein, PDU to be transmitted includes that UE is not distributed to cellular network link and the WLAN link transmission also to base station biography Defeated PDU, and retransmit PDU.

Alternatively, PDU to be transmitted can also include the PDU for not being distributed to cellular network link He the WLAN link transmission, And the PDU that base station is not transferred in cellular network link and the PDU of the WLAN link transmission has been distributed to it.Wherein, it does not pass The PDU for transporting to base station includes the PDU for retransmitting PDU, being distributed to WLAN link but not transmitted to base station, and has been distributed to The PDU that cellular network link but the PDU not transmitted to base station, i.e. base station are not received.

Specifically, when to determine WLAN link abnormal by UE, and after generating link instruction extremely, UE refers to extremely according to the link Show that PDU to be transmitted is distributed to cellular network link and the WLAN link transmission by stopping, and passes through cellular network link to base It stands and sends PDU to be transmitted, to guarantee that PDU to be transmitted can be successfully transmitted to base station by UE, continuing so as to avoid UE will PDU to be transmitted is distributed to the WLAN link transmission being abnormal, and causes to be distributed to the WLAN link transmission being abnormal PDU transmission failure.

It is worth noting that in embodiments of the present invention, UE stop for PDU to be transmitted being distributed to cellular network link and After the WLAN link transmission, PDU to be transmitted is sent to base station by cellular network link, can specifically include not to distribute also To the PDU of cellular network link and the WLAN link transmission, and cellular network link and WLAN link biography have been distributed to it It is not transferred to the PDU of base station in defeated PDU, is sent by cellular network link to base station.

Specifically, UE stops after PDU to be transmitted to be distributed to cellular network link and the WLAN link transmission, UE can be with It is requested to base station status report, to request base station to be not transferred to the PDU of the base station to UE feedback.Base station receives the state After report request, base station can determine which PDU the base station has do not receive according to the SN for the PDU having been received, that is, determine It is not transferred to the PDU of the base station, the SN of the PDU for being not transferred to the base station then determined according to the base station generates feedback states report It accuses.

Illustratively, if PDU to be transmitted refers to that PDCP PDU, i.e. UE carry out PDU to be transmitted on PDCP layer entity Distribution converges the PDU for receiving UE transmission on the PDCP layer entity of base station, then the state report that UE is sent to base station can be with For PDCP state report.After base station receives the state report request of UE transmission, according to SN the and PDCP PDU of PDCP PDU SN continuity, the PDCP not received for determining the SN for the PDCP PDU that the base station does not receive, and being determined according to it The SN of PDU generates PDCP condition report feedback, and the PDCP condition report feedback is sent to UE, to indicate which UE has PDCP PDU is not transferred to the base station.

Further, base station is according to the SN of the PDU having been received, and generates the concrete mode of condition report feedback, can With referring to associated description in the prior art, details are not described herein again.

Further, it is true according to the instruction of the condition report feedback after UE receives the condition report feedback that base station is sent Surely the PDU for being not transferred to the base station for being not transferred to the PDU of the base station, and being determined, He Haiwei are distributed to cellular network chain The PDU of road and the WLAN link transmission passes through cellular network link and sends to base station.

Further, in embodiments of the present invention, after UE, which generates link, to be indicated extremely, UE can also be by link exception Instruction is sent to base station, and instruction base station WLAN link is abnormal, so that base station is determining that it is different that the WLAN link occurs Chang Hou executes corresponding operation.For example, when the link that base station is sent according to UE indicates to determine that WLAN link generation is different extremely Chang Hou, base station can control UE and rebuild WLAN link.

Specifically, base station control UE rebuilds the implementation of WLAN link, reference can be made to the correlation in embodiment as shown in Figure 2 Description, details are not described herein again.

Further, if UE is under the control of base station, the process for rebuilding WLAN link is completed, then continue will be to be transmitted by UE PDU is distributed to the WLAN link transmission of cellular network link and reconstruction, passes so that being distributed in the WLAN link of reconstruction Defeated PDU being capable of normal transmission.If UE under the control of base station, rebuilds WLAN link failure, then UE continues PDU to be transmitted It is sent by cellular network link to base station, to guarantee that PDU to be transmitted being capable of normal transmission.

The processing method of WLAN link exception in MSA provided in an embodiment of the present invention is specifically included when UE determines WLAN chain When road is abnormal, UE generates link and indicates extremely, and is indicated extremely according to the link, and PDU to be transmitted is distributed to by stopping Cellular network link and the WLAN link transmission, and PDU and Xiang Ji to be transmitted is sent to base station by cellular network link It stands and sends link instruction extremely, link instruction extremely is used to indicate the WLAN link and is abnormal.In this way, UE energy Enough determining WLAN link is abnormal, and is generated link and indicated extremely, so that UE can indicate that stopping will according to the link extremely PDU to be transmitted is distributed to the WLAN link transmission, and sends PDU to be transmitted to base station by cellular network link, to protect Demonstrate,prove PDU to be transmitted can normal transmission, and then avoid UE and continue for PDU to be transmitted to be distributed to the WLAN chain being abnormal Road transmission leads to the PDU transmission failure for being distributed to the WLAN link transmission.

The embodiment of the present invention provides a kind of processing method of WLAN link exception in MSA, and as shown in figure 27, this method can be with Include:

S801, UE receive the link unexpected message that base station is sent, and carry link in the link unexpected message and indicate extremely, should Link instruction extremely is used to indicate WLAN link and is abnormal.

Specifically, in embodiments of the present invention, when base station is according to the measurement report received, determine that the WLAN link is different Often, and after generating link instruction extremely, link instruction extremely can be carried and in link unexpected message be sent to UE by base station, from And UE can determine that the WLAN link is abnormal according to the instruction of base station.

Wherein, the measurement report that base station receives can be WT and be sent to base station, is also possible to UE and is sent to base station. It should be noted that in UL, if base station determines whether the WLAN link is abnormal according to the measurement report that WT is sent, WT The metrical informations such as backhaul transport data rate and the channel utilization of the WLAN link can be read from the AP of the WLAN link, And the carrying of these metrical informations is sent to base station in measurement report, so that base station determines the WLAN according to the measurement report Whether link is abnormal.

Specifically, base station can according to the implementation that the measurement report that WT is sent determines whether the WLAN link is abnormal With referring to the associated description in embodiment as shown in Figure 2, details are not described herein again.

S802, UE are indicated extremely according to the link, stop PDU to be transmitted being distributed to cellular network link and WLAN chain Road transmission, and PDU to be transmitted is sent to base station by cellular network link.

Wherein, PDU to be transmitted includes the PDU for not being distributed to cellular network link He the WLAN link transmission, Yi Jiyi It is distributed to the WLAN link and is not transferred to the PDU of base station.Wherein, the PDU for being not transferred to base station includes retransmitting PDU and The PDU for being distributed to WLAN link but not transmitted to base station also.

After UE receives the link unexpected message of base station transmission, UE is different according to the link carried in the link unexpected message Often instruction stops PDU to be transmitted being distributed to cellular network link and the WLAN link transmission, and passes through cellular network link PDU to be transmitted is sent to base station to hold to guarantee that PDU to be transmitted can be successfully transmitted to base station by UE so as to avoid UE It is continuous that PDU to be transmitted is distributed to the WLAN link transmission being abnormal, cause to be distributed to the WLAN link biography being abnormal Defeated PDU transmits failure.

Specifically, UE stops after PDU to be transmitted to be distributed to cellular network link and the WLAN link transmission, pass through bee Nest network link sends the concrete mode of PDU to be transmitted to base station, will be to be transmitted with the UE stopping in embodiment as shown in Figure 3 PDU be distributed to cellular network link and the WLAN link transmission after, sent by cellular network link to base station to be transmitted The mode of PDU is identical, can specifically participate in the associated description in embodiment as shown in Figure 3, details are not described herein again.

Further, in embodiments of the present invention, when base station generates, link indicates extremely and the determining WLAN link occurs After exception, base station can control UE and rebuild WLAN link.If UE under the control of base station, completes to rebuild the process of WLAN link, Then UE continues the WLAN link transmission that PDU to be transmitted is distributed to cellular network link and reconstruction, so that being distributed to The PDU transmitted in the WLAN link of reconstruction being capable of normal transmission.If UE under the control of base station, rebuilds WLAN link failure, then UE continues by cellular network link to send PDU to be transmitted to base station, to guarantee that PDU to be transmitted being capable of normal transmission.

Wherein, control UE in base station rebuilds the implementation of WLAN link, reference can be made to the correlation in embodiment is retouched as shown in Figure 2 It states, details are not described herein again.

Optionally, before above-mentioned S801, this method can also include:

S800a, UE obtain the metrical information of the WLAN link, and the metrical information is for determining whether the WLAN link occurs It is abnormal.

Specifically, UE can obtain the metrical information of the WLAN link by receiving the beacon frame that AP is sent.Measurement letter Breath may include the backhaul transport data rate of the WLAN link carried in the beacon frame, channel utilization etc..Measurement letter It ceases after can also being measured including UE to the beacon frame, obtained RSSI.

S800b, UE send measurement report to base station, which includes the metrical information of the WLAN link.

After UE gets the metrical information of the WLAN link, metrical information carrying is sent to base in measurement report It stands, so that base station determines whether the WLAN link is abnormal according to the measurement report.

Specifically, base station according to measurement report determine implementation that whether the WLAN link is abnormal may refer to as Associated description in embodiment illustrated in fig. 2, details are not described herein again.

The processing method of WLAN link exception in MSA provided in an embodiment of the present invention specifically includes UE and receives base station transmission Link unexpected message, link is carried in the link unexpected message and is indicated extremely, UE is indicated extremely according to the link, and stopping will be to The PDU of transmission is distributed to cellular network link and WLAN link transmission, and to be transmitted to base station transmission by cellular network link PDU.In this way, the link instruction extremely that UE can be sent according to base station stops PDU to be transmitted being distributed to this WLAN link transmission, and PDU to be transmitted is sent to base station by cellular network link, to guarantee that PDU to be transmitted can be just Often transmission, and then avoid UE and continue for PDU to be transmitted to be distributed to the WLAN link transmission being abnormal, cause to be distributed to The PDU of the WLAN link transmission transmits failure.

The embodiment of the present invention provides a kind of processing method of WLAN link exception in MSA, and as shown in figure 28, this method can be with Include:

S901, WT obtain the metrical information of WLAN link, and the metrical information is different for determining whether the WLAN link occurs Often.

In embodiments of the present invention, WT is obtained there are many modes of the metrical information of the WLAN link, and illustratively, WT can To read the metrical information of the WLAN link from AP, which may include the backhaul transport data speed of the WLAN link The information such as rate and channel utilization.

WT can also obtain metrical information by carrying out detection to AP.For example, WT, which can detecte the AP, initiates the PDU retransmitted Number or the AP still transmitted after repeatedly retransmitting failure PDU number, i.e., the metrical information may include retransmit The number of the PDU of the number or transmission failure of PDU.WT can also by detecting the situation of change of the buffer memory capacity of the AP, with Determine that the AP sends the rate of data to UE, i.e. the metrical information can also include the rate that the AP sends data to UE.

If S902, the metrical information meet preset abnormal Rule of judgment, WT generates link and indicates extremely, and the link is different Often instruction is used to indicate WLAN link and is abnormal.

Wherein, if the metrical information includes the backhaul transport data rate that WT is read from the AP, the letter such as channel utilization Breath, then abnormal Rule of judgment may include the minimum threshold of preset backhaul transport data rate, preset channel utilization Minimum threshold etc..

When WT determines that the backhaul transport data rate that it is obtained is less than the minimum threshold of preset backhaul transport data rate Value, and/or WT determine its obtain channel utilization be less than preset channel utilization minimum threshold when, WT i.e. can determine Received metrical information meets the exception Rule of judgment, so that WT determines that the WLAN link is abnormal, be no longer appropriate for into Row MSA, and then WT generates link and indicates extremely.

If the metrical information includes that WT detects the number for retransmitting PDU, the number of the PDU of transmission failure or AP to UE The rate of data is sent, then the exception Rule of judgment may include the maximum number for allowing the PDU retransmitted, allow to transmit failure The maximum number of PDU, or the minimum-rate for allowing AP to send data to UE.

When WT determines that the number for the re-transmission PDU that it is detected is greater than the maximum number of the PDU for allowing to retransmit, WT determines it The number of the PDU of the transmission failure detected, which is greater than this, allows the maximum number for transmitting the PDU to fail or WT to determine its detection When the AP arrived is less than minimum-rate of the permission AP to UE transmission data to the rate that UE sends data, WT can determine its acquisition To metrical information meet the exception Rule of judgment, thus, WT determines that the WLAN link is abnormal, be no longer appropriate for carry out MSA, And then WT generates link and indicates extremely.

S903, WT send the link to base station and indicate extremely.

Wherein, WT, which sends the concrete mode that the link indicates extremely to base station, to be, WT is abnormal to base station transmission link Message carries the link in the link unexpected message and indicates extremely.

It should be noted that in embodiments of the present invention, after WT, which generates link, to be indicated extremely, WT refers to the link extremely Show and be sent to base station, to indicate that the WLAN link is abnormal to base station, so that base station is determining WLAN link generation After exception, corresponding operation is executed.

For example, base station can according to WT send the link extremely indicate, stop MSA, and by cellular network link to UE sends PDU to be transmitted, to guarantee that PDU to be transmitted can be successfully transmitted to UE by base station, continues so as to avoid base station PDU to be transmitted is distributed to the WLAN link transmission being abnormal, leads to the PDU transmission for being distributed to the WLAN link transmission Failure.Specifically, base station sends the implementation of PDU to be transmitted by cellular network link to UE, reference can be made to as shown in Figure 2 Associated description in embodiment, details are not described herein again.

In another example base station can further control UE and rebuild WLAN link after obtaining the instruction extremely of above-mentioned link, thus After UE completes to rebuild the process of WLAN link, base station continues for PDU to be transmitted to be distributed to cellular network link and reconstruction WLAN link transmission, and then guarantee to be distributed to the PDU normal transmission for rebuilding WLAN link.Specifically, base station control UE is rebuild The implementation of WLAN link, reference can be made to the associated description in embodiment as shown in Figure 2, details are not described herein again.

The embodiment of the present invention provides a kind of processing method of WLAN link exception in MSA, specifically includes WT and obtains WLAN chain The metrical information on road, if the metrical information meets preset abnormal Rule of judgment, WT generates link and indicates extremely, and to base station It sends the link to indicate extremely, wherein for determining whether the WLAN link is abnormal, which refers to the metrical information extremely Show that being used to indicate WLAN link is abnormal.In this way, WT can judge the metrical information of the WLAN link, and Link is generated when the metrical information meets preset abnormal Rule of judgment to indicate extremely, and sends link exception to base station Instruction so that base station can stop PDU to be transmitted being distributed to the WLAN link transmission according to link instruction extremely, and is led to Cross cellular network link and send PDU to be transmitted to UE, with guarantee PDU to be transmitted can normal transmission, and then avoid base It stands and continues for PDU to be transmitted to be distributed to the WLAN link transmission being abnormal, cause to be distributed to the WLAN link transmission PDU transmission failure.

The embodiment of the present invention provides a kind of processing method of WLAN link exception in MSA, as shown in figure 4, this method can be with Include:

S301, AP monitoring frame loss rate, the packet loss are used to characterize the ratio of AP forwarding PDU failure.

S302, when the packet loss be greater than or equal to preset packet loss threshold value when, the AP generate link extremely indicate, the chain Road instruction extremely is used to indicate WLAN link and is abnormal.

It should be noted that in embodiments of the present invention, monitoring function can be increased in AP, so that AP can be monitored The packet loss of AP, i.e. AP can read the packet loss of AP statistics, and it is pre- further to judge whether the packet loss is greater than or equal to If packet loss threshold value.If AP judges that the packet loss is less than preset packet loss threshold value, AP determines that the WLAN link is normal, i.e., The WLAN link being capable of normal transmission PDU；If AP judges that the packet loss is greater than or equal to preset packet loss threshold value, AP is determined The WLAN link is abnormal, and is indicated extremely so that AP generates link.

Wherein, AP counts the mode of packet loss, can be by the way of any one existing AP statistics packet loss, herein It repeats no more.

Optionally, AP can periodically monitor the packet loss of AP statistics, i.e., whenever preset monitoring cycle terminates, AP The packet loss of AP statistics is read, and judges the size of the packet loss Yu preset packet loss threshold value.

Illustratively, it is assumed that preset packet loss threshold value is 10%, if AP is read after some monitoring cycle The packet loss of AP statistics is 12%, then since AP judges that 12% is greater than 10%, it is different that AP determines that the WLAN link occurs Often, and link instruction extremely is generated.

Further, the duration of monitoring cycle can be according to the Demand Design in Practical Project, for example, if desired AP is real-time Monitoring frame loss rate then can set duration identical with the AP statistics measurement period of packet loss for the duration of monitoring cycle, As soon as AP reads a packet loss, and judges the packet loss and preset packet loss threshold so that AP every statistics time packet loss The size of value.

Further, in embodiments of the present invention, the reason of causing the WLAN link to be abnormal, it may be possible to since UE is moved Except the coverage area for moving AP, cause the AP when sending PDU to UE, therefore the PDU that UE can not receive AP transmission leads to this WLAN link is abnormal.

S303, AP send the link to base station and indicate extremely.

Wherein, AP, which sends the concrete mode that the link indicates extremely to base station, to be, AP is abnormal to base station transmission link Message carries the link in the link unexpected message and indicates extremely.

It should be noted that in embodiments of the present invention, after AP, which generates link, to be indicated extremely, AP refers to the link extremely Show and be sent to base station, to indicate that the WLAN link is abnormal to base station, so that base station is determining WLAN link generation After exception, corresponding operation is executed.

For example, stopping MSA, and pass through cellular network link when base station can indicate extremely according to the link that AP is sent PDU to be transmitted is sent to UE to hold to guarantee that PDU to be transmitted can be successfully transmitted to UE by base station so as to avoid base station It is continuous that PDU to be transmitted is distributed to the WLAN link transmission being abnormal, cause the PDU for being distributed to the WLAN link transmission to pass Defeated failure.

The embodiment of the present invention provides a kind of processing method of WLAN link exception in MSA, specifically includes AP monitoring frame loss rate, When the packet loss is greater than or equal to preset packet loss threshold value, which generates link and indicates extremely, and sends the chain to base station Road indicates that the packet loss is used to characterize the ratio of AP forwarding PDU failure extremely, and link instruction extremely is used to indicate WLAN chain Road is abnormal.In this way, AP can monitoring frame loss rate, and the packet loss be greater than or equal to preset packet loss threshold value Shi Shengcheng link indicates extremely, and sends the link to base station and indicate extremely, so that base station can refer to extremely according to the link Show that PDU to be transmitted is distributed to the WLAN link transmission by stopping, and to be transmitted to UE transmission by cellular network link PDU, with guarantee PDU to be transmitted can normal transmission, and then avoid base station continue by PDU to be transmitted be distributed to occur it is different Normal WLAN link transmission leads to the PDU transmission failure for being distributed to the WLAN link transmission.

The embodiment of the present invention provides a kind of processing method of WLAN link exception in MSA, as shown in figure 5, this method can be with Include:

S401, AP determine the sequence number (English: sequence for the data packet for being distributed to the failure of WLAN link transmission Number, abbreviation: SN), which includes at least one PDU, and the SN of the data packet is for determining whether the WLAN link is sent out It is raw abnormal.

It should be noted that in embodiments of the present invention, AP can receive the data packet of base station transmission, and receive base station During the data packet of transmission, AP is capable of determining that the data packet of transmission failure, and the SN of the data packet of transmission failure is taken Band is sent to base station in state report, to request base station to retransmit the data packet of transmission failure, and base station is sent out according to AP Whether the state report judging the sent WLAN link is abnormal.

Specifically, in embodiments of the present invention, in order to enable base station can determine that PDU is successfully sent to AP, base station to When AP sends PDU, the PDU for being distributed to WLAN link transmission can be packaged into multiple a data packets by base station, and be multiple data Allocation of packets one continuous and unique SN of each of packet, and increase a packet header for each data packet, it uses In the SN that the data packet is arranged.It wherein, include at least one PDU in each data packet.When AP receives the every of base station transmission When one data packet, AP can know the SN of the data packet by parsing the data packet, and according to the packet header of the data packet.If AP determines that the SN of this received data packet of AP and the SN of last received data packet are discontinuous, then AP determines what base station was sent Data packet is lost, i.e. AP determines the data packet transmission failure that base station is sent, and AP can determine which specific data packet Transmission failure, so that AP can determine the SN for being distributed to the data packet of WLAN link transmission failure.

Illustratively, it is assumed that base station sends 3 data packets to AP, and base station is 3 of 3 allocation of packets continuous SN be respectively 50,51 and 52, and 3 SN are separately positioned in the packet header of 3 data packets.When AP receives data packet 50 Later, if the data packet that receives of AP is data packet 52, AP determines that the SN of data packet 50 and the SN of data packet 52 are discontinuous, this When, AP can determine the data packet transmission failure that SN is 51, so that AP determines the data packet for being distributed to the failure of WLAN link transmission SN be 51.

S402, AP include the SN of the data packet to base station status report, in the state report.

In embodiments of the present invention, if AP judges that some is distributed to the transmission failure of the data packet of WLAN link transmission, and really The SN of the fixed data packet, then AP includes the SN of the data packet to base station status report, in the state report, to request base station Retransmit the data packet so that base station can according to the number of retransmissions of the data packet or the data packet number be distributed to The ratio of the total quantity of the data packet of WLAN link transmission judges that the WLAN link is abnormal, and then executes corresponding operation.

For example, base station can generate link after the state report judging sent according to AP the WLAN link is abnormal Abnormal instruction, and stop PDU to be transmitted being distributed to cellular network link and the WLAN link according to link instruction extremely Transmission, and PDU to be transmitted is sent to UE by cellular network link, to guarantee that base station can be normal by PDU to be transmitted It is sent to UE, continues for PDU to be transmitted to be distributed to the WLAN link transmission being abnormal so as to avoid base station, causes to be divided It is dealt into the PDU transmission failure of the WLAN link transmission.And base station can also be different according to the link after generating link instruction extremely Further control UE rebuilds WLAN link for often instruction, so that base station is continued will be to after UE completes to rebuild the process of WLAN link The PDU of transmission is distributed to the WLAN link transmission of cellular network link and reconstruction, to guarantee the WLAN chain for being distributed to reconstruction The normal transmission of the PDU on road.

Specifically, the state report that base station is sent according to AP, judges the implementation that WLAN link is abnormal, it will be under It states in embodiment and is described in detail, details are not described herein again.

Further, in conjunction with Fig. 5, as shown in fig. 6, before above-mentioned S401, this method can also include:

S400, AP receive the data packet that base station is sent, and include the SN of the data packet in the packet header of the data packet.

Wherein, the packet header of data packet can be the Internet protocol (English: internet protocol, contracting of data packet Write: IP) head, or the general packet radio service transport protocol user (English: general packet of data packet Radio service tunnel protocol user, abbreviation: GTP-U) extension header can also be the nothing of the control of data packet Line access point and configuration protocol (English: control and provisioning of wireless access points Protocol specification, abbreviation: CAPWAP) head etc..Number position use can specifically be increased in the packet header of data packet In the SN of setting data packet.

Illustratively, as shown in fig. 7, being the structural schematic diagram of a data packet, wherein in the packet header of the data packet, if The SN of the data packet, as 100 are set, and comprising 3 PDU, respectively PDU1, PDU2 in the data portion of the data packet, and PDU3。

In embodiments of the present invention, since the SN of data packet is arranged in the packet header of the data packet, AP can pass through The data packet is parsed, the SN of the data packet is known from the packet header of the data packet.

The embodiment of the present invention provides a kind of processing method of WLAN link exception in MSA, specifically includes AP determination and is distributed to The SN of the data packet of WLAN link transmission failure, and to base station status report, which includes at least one PDU, should The SN of data packet is for determining whether the WLAN link is abnormal, including the SN of the data packet in the state report.By this Method, AP can by base station status report so that base station occurred according to the state report judging WLAN link it is different Often, and link instruction extremely is generated, so that base station can stop distributing PDU to be transmitted according to link instruction extremely PDU to be transmitted is sent to UE to the WLAN link transmission, and by cellular network link, to guarantee that PDU to be transmitted can Normal transmission, and then avoid base station and continue for PDU to be transmitted to be distributed to the WLAN link transmission being abnormal, cause to be divided It is dealt into the PDU transmission failure of the WLAN link transmission.

Embodiment two

The embodiment of the present invention provides a kind of processing method of WLAN link exception in MSA, can be applied in DL, also can For in UL.Wherein, there are two types of possible implementations in DL.

Specifically, when the processing method of WLAN link exception in MSA provided in an embodiment of the present invention is applied in DL, such as Shown in Fig. 8, in the first possible implementation, this method may include:

PDU to be transmitted is distributed to cellular network link and WLAN link transmission by S501, base station.

In embodiments of the present invention, the PDU for being distributed to WLAN link transmission can be sent to AP by base station, by AP by these PDU is forwarded to UE；The PDU for being distributed to WLAN link transmission can also be packaged into multiple data packets and be sent to AP transmission by base station, By AP from least one PDU parsed in each data packet in the data packet, and at least one PDU is successively sent to UE。

S502, base station record are distributed to the mark of the PDU of the WLAN link transmission.

Specifically, these PDU are forwarded to UE by AP when the PDU for being distributed to WLAN link transmission is sent to AP by base station When, the SN for being identified as each PDU distribution of PDU.

Wherein, the SN of PDU can be the mark that can uniquely indicate the PDU, and base station and UE can be according to the SN of the PDU Identify the PDU.Illustratively, as shown in figure 9, being the structural schematic diagram of a PDU, a PDU includes two parts, and a part is The head of the PDU, is provided with the SN of the PDU in the head of the PDU, and as 1.Another part is the data portion of the PDU, includes The data of the PDU.

Further, while PDU to be transmitted is distributed to honeycomb network link and WLAN link transmission by base station, base It stands and can record the SN for the PDU for being distributed to the WLAN link transmission.

Specifically, include multiple PDU in the data flow if base station need to send a data flow to UE, then in base station to UE When sending first PDU of the data flow, base station can generate one simultaneously and be distributed to WLAN link transmission for recording base station PDU SN list in, which can be expressed as WlanPduSnList, i.e. wireless local area network protocol data cell sequence Row number list.And PDU to be transmitted in the data flow is distributed to honeycomb network link and WLAN link transmission base station is subsequent While, the SN for being distributed to the PDU of the WLAN link transmission can be recorded in the WlanPduSnList by base station.

Illustratively, it is assumed that SN need to be respectively that 1,2,3,4 and 5 PDU is sent to UE by base station.Wherein, SN be respectively 1, 2,3,4 and 5 PDU can be expressed as PDU1, PDU2, PDU3, PDU4 and PDU5.Base station is by PDU1, PDU2 and PDU3 While being distributed to the WLAN link transmission, and PDU4 and PDU5 are distributed to cellular network link transmission, base station is by PDU1 The SN of SN and PDU3 of SN, PDU2 be recorded in WlanPduSnList.As shown in table 1, it is recorded in WlanPduSnList SN1, SN2 and SN3 indicate that PDU1, PDU2 and PDU3 are distributed to the WLAN link transmission by base station.

Table 1

WlanPduSnList (SN of PDU)
	1
2
	3
……

Particularly, it is sent to AP transmission when the PDU for being distributed to WLAN link transmission is packaged into multiple data packets by base station, by AP is successively sent to UE from least one PDU parsed in the data packet in each data packet, and by least one PDU When, PDU's is identified as the SN that base station is each allocation of packets.

Wherein, the SN of each data packet is identical as the meaning of the SN of data packet described in embodiment as shown in Figure 5, specifically It can be found in the associated description in embodiment as shown in Figure 5, details are not described herein again.

Further, while PDU to be transmitted is distributed to honeycomb network link and WLAN link transmission by base station, base Record of standing is distributed to the SN of the data packet of the WLAN link transmission.

Specifically, include multiple PDU in the data flow if base station need to send a data flow to UE, then in base station to UE When sending first PDU of the data flow, base station can generate one for recording the number for being distributed to WLAN link transmission simultaneously According to the list of the SN of packet, which can be expressed as WlanDataPacketSnList, i.e. Wireless LAN sequence of data packet Number list.And PDU to be transmitted in the data flow is distributed to honeycomb network link and WLAN link transmission base station is subsequent Meanwhile base station can will be distributed to the SN record of the data packet of the WLAN link transmission in the list.

Illustratively, it is assumed that PDU1, PDU2, PDU3, PDU4 and PDU5 need to be sent to UE by base station.And base station by PDU1 and PDU2 is packaged into a data packet, and be the SN of the allocation of packets is 100, which can be expressed as data packet 100；With And PDU3 is packaged into a data packet by base station, and be the SN of the allocation of packets is 101, which can be expressed as data Packet 101.When data packet 100 and data packet 101 are being distributed to the WLAN link transmission by base station, and PDU4 and PDU5 is distributed To while cellular network link transmission, SN100 and SN101 are recorded in WlanDataPacketSnList by base station.Such as table 2 Shown, WlanDataPacketSnList has suffered record SN100 and SN101, indicates base station by data packet 100 and data packet 101 It is distributed to the WLAN link transmission.

Table 2

WlanDataPacketSnList (SN of data packet)
	100
101
	……

S503, base station obtain at least one mark for retransmitting PDU.

S504, base station determine this, and at least one retransmits the re-transmission PDU that the WLAN link transmission is distributed in PDU.

Wherein, base station determines the specific side that the re-transmission PDU of the WLAN link transmission is distributed at least one re-transmission PDU Formula can be the base station PDU for being distributed to the WLAN link transmission that at least one retransmits the mark of PDU according to this and base station records Mark, determine and be distributed to the re-transmission PDU of the WLAN link transmission.

Specifically, these PDU are forwarded to UE by AP if the PDU for being distributed to WLAN link transmission is sent to AP by base station, Then base station can report that obtaining this, at least one retransmits the SN of PDU by receiving the first state that UE is sent.Wherein, PDU is retransmitted The PDU for referring to transmission failure and needing to transmit again.

Further, in embodiments of the present invention, PDU to be transmitted is being distributed to cellular network link and WLAN by base station During chain road direction UE is transmitted, part PDU may transmit failure, so that UE can not receive the PDU of these transmission failures. If UE determination has at least one in base station after PDU to be transmitted to be distributed to cellular network link and WLAN chain road direction UE transmission A PDU is not received, i.e. UE, which is determined, at least one PDU transmission failure, then when UE, which sends first state to base station, to be reported, UE The SN of at least one PDU can be included in first state report to request base station to retransmit at least one PDU, i.e., this The SN that at least one retransmits PDU comprising this in one state report.After base station receives the first state report of UE transmission, base It stands and obtains the SN of at least one re-transmission PDU from first state report, and at least one retransmits PDU initiation re-transmission to this.

Wherein, UE sends the concrete mode that first state is reported to base station, reference can be made to UE is sent to base station in the prior art The mode of state report, details are not described herein again.

It should be noted that at least one SN for retransmitting PDU that base station is obtained from first state report includes distribution The SN of the re-transmission PDU transmitted to cellular network link, and it is distributed to the SN of the re-transmission PDU of WLAN link transmission.

Illustratively, it is assumed that PDU1, PDU2 and PDU3 are being distributed to WLAN chain road direction UE transmission by base station, and by PDU4 With PDU5 be distributed to cellular network link to UE transmission after, if UE determination do not receive PDU1, PDU2 and PDU5, i.e. UE is true Determine PDU1, PDU2 and PDU5 transmission failure, then when UE, which sends first state to base station, to be reported, UE is by SN, PDU2 of PDU1 SN and PDU5 SN be included in the first state report in be sent to base station, with request base station retransmit PDU1, PDU2, with And PDU5.After base station receives first state report, base station can obtain SN1, SN2 from first state report, and SN5, and PDU1, PDU2 and PDU5 are initiated to retransmit.

Wherein, to this, at least one re-transmission PDU initiation re-transmission can be that by this, at least one is retransmitted in PDU for base station for base station The re-transmission PDU for being distributed to WLAN link transmission is retransmitted by the WLAN chain road direction UE, and by this, at least one is retransmitted is distributed in PDU The re-transmission PDU of cellular network link transmission is retransmitted by cellular network link to UE；To this, at least one retransmits PDU initiation for base station It retransmits and may be, at least one re-transmission PDU passes through wireless cellular network chain road direction UE re-transmission by this for base station.

Further, after base station obtains the SN of at least one re-transmission PDU, base station at least one can be retransmitted according to this The SN of the PDU for being distributed to the WLAN link transmission of the SN of PDU and base station record determines to divide at least one re-transmission PDU It is dealt into the re-transmission PDU of the WLAN link transmission.

Illustratively, it is assumed that the SN of the PDU for being distributed to the WLAN link transmission of base station record is as shown in table 1, i.e. base station The SN that is recorded in WlanPduSnList be distributed to the PDU of the WLAN link transmission is respectively SN1, SN2 and SN3.Then work as base It stands after obtaining SN1, SN2 and SN5 in the first state report that the UE received is sent, by being looked into WlanPduSnList It looks for, determines SN1 and SN2 is the SN for being distributed to the PDU of the WLAN link transmission, and then base station determines PDU1 and PDU2 for distribution To the re-transmission PDU of the WLAN link transmission.

Particularly, if the PDU for being distributed to WLAN link transmission is packaged into multiple data packets by base station is sent to AP transmission, by AP is successively sent to UE from least one PDU parsed in the data packet in each data packet, and by least one PDU, Then the second state report that base station can be sent by receiving AP, obtains the data packet for being distributed to WLAN link transmission failure SN, i.e. base station obtain the SN for retransmitting data packet from second status report.

Specifically, in embodiments of the present invention, base station by the PDU for being distributed to WLAN link transmission be packaged into data packet to During AP is sent, some data packets may transmit failure, so that AP can not receive the data packet of transmission failure.If Base station by the PDU for being distributed to WLAN link transmission be packaged into data packet to AP send after, AP determination there is a data packet not receive, Then when AP sends the second state report to base station, the SN of the data packet can be included in second state report with request by AP Base station retransmits the data packet of transmission failure.Wherein, which is the data packet that base station is distributed to the failure of WLAN link transmission. After base station receives second state report of AP transmission, the SN of the data packet is obtained from second state report, and right The data packet is initiated to retransmit.

Illustratively, if AP determines the transmission failure of data packet 100 for being distributed to WLAN link transmission, when AP is sent out to base station When sending the second state report, the SN of data packet 100 is included in the second state report and is sent to base station by AP.When base station receives After second state report, the SN for being distributed to the data packet of WLAN link transmission failure is obtained from second state report, i.e., SN100, and data packet 100 is initiated to retransmit.

Further, after base station obtains the SN of the data packet, base station can be recorded according to the SN of the data packet and base station The data packet for being distributed to the WLAN link transmission SN, determine to be distributed to the data packet of WLAN link transmission failure.

Illustratively, it is assumed that the SN of the data packet for being distributed to the WLAN link transmission of base station record is as shown in table 2, i.e. base The SN for the data packet for being distributed to the WLAN link transmission recorded in table 2 of standing is respectively SN100 and SN101.Then when base station from After obtaining SN100 in the second state report that the AP received is sent, by searching in table 2, determine that SN100 is to be distributed to The SN of the data packet of the WLAN link transmission, and then base station determines that data packet 100 is to be distributed to WLAN link transmission failure Data packet.

If S505, the re-transmission PDU for being distributed to the WLAN link transmission meet preset condition, base station determines the WLAN link It is abnormal.

Wherein, it may include: to be distributed to the WLAN chain that the re-transmission PDU for being distributed to the WLAN link transmission, which meets preset condition, The PDU for thering is number of retransmissions to be greater than or equal to preset first threshold value in the re-transmission PDU of road transmission, alternatively, being distributed to the WLAN The ratio of the quantity of the re-transmission PDU of link transmission and the total quantity for the PDU for being distributed to the WLAN link transmission is greater than or equal to pre- If the second threshold value.

Specifically, these PDU are forwarded to UE by AP if the PDU for being distributed to WLAN link transmission is sent to AP by base station, Then after base station receives the first state report of UE transmission, base station is according at least one weight for including in first state report The SN for passing PDU, to this, at least one retransmits PDU and retransmits.If this is distributed to WLAN chain at least one re-transmission PDU by base station The re-transmission PDU of road transmission is retransmitted by the WLAN chain road direction UE, and by this, at least one retransmits in PDU and is distributed to cellular network link The re-transmission PDU of transmission is retransmitted by cellular network link to UE, then base station records each number of retransmissions for retransmitting PDU, and passes through Judgement is distributed in the re-transmission PDU of the WLAN link transmission PDU for having number of retransmissions to be greater than or equal to preset first threshold value, Determine that the WLAN link is abnormal.

Illustratively, by taking PDU1 as an example, PDU1 is one retransmitted in PDU by WLAN link transmission.When base station connects After the first state report for receiving UE transmission, base station retransmits PDU1 according to the SN1 for including in first state report, and The number of retransmissions of PDU1 is added 1, and judges whether the number of retransmissions of PDU1 is greater than or equal to preset first threshold value.Its In, number of retransmissions can be expressed as RETX_COUNT.If the number of retransmissions of PDU1 is less than preset first threshold value, and PDU1 is still Non- transmission success, then base station continues to retransmit PDU1, and the number of retransmissions of PDU1 is continued to add 1.Assuming that preset first threshold value It is 5, after base station judges the number of retransmissions of PDU1 for 5, packet that PDU1 transmission success not yet, i.e. base station remain to receive UE transmission First state report containing SN1, base station then determines that the WLAN link is abnormal.

Wherein, preset first threshold value is above-mentioned preset maximum retransmission, and base station judgement retransmits the re-transmission of PDU Whether number is greater than or equal to preset first threshold value, it can be interpreted as base station judge retransmit PDU number of retransmissions whether Reach maximum retransmission.

Alternatively, if base station is by this, at least one re-transmission PDU passes through cellular network link to UE re-transmission, and base station is according to this The SN for retransmitting PDU in first state report comprising at least one determines the number for being distributed to the re-transmission PDU of the WLAN link transmission Amount, and determine that the quantity for being distributed to the re-transmission PDU of the WLAN link transmission and base station are distributed to the PDU's of the WLAN link transmission The ratio of total quantity, so that the quantity and base station by the re-transmission PDU for judging to be distributed to the WLAN link transmission are distributed to this The ratio of the total quantity of the PDU of WLAN link transmission is greater than or equal to preset second threshold value, determines that the WLAN link occurs It is abnormal.

Illustratively, it is assumed that preset second threshold value is 10%, the first state report that the received UE in base station is sent In include SN1, SN2 and SN5, the SN that records is respectively SN1, SN2 and SN3 in the WlanPduSnList that base station saves, then base It stands and determines that the quantity for the re-transmission PDU for being distributed to the WLAN link transmission is 2, base station is according to the SN recorded in WlanPduSnList The total quantity for determining that base station is distributed to the PDU of the WLAN link transmission is 3.Since 2 and 3 ratio is about 66.67%, and 66.67% is greater than 10%, and therefore, base station determines that the WLAN link is abnormal.

It should be noted that in embodiments of the present invention, base station can count in preset time period, base station received first At least one indicated in state report retransmits in PDU, is distributed to the quantity of the re-transmission PDU of WLAN link transmission.And then base station Base station is distributed to the WLAN chain in quantity and scheduled time section by judging to be distributed to the re-transmission PDU of the WLAN link transmission The ratio of the total quantity of the PDU of road transmission is greater than or equal to preset second threshold value, determines that the WLAN link is abnormal.Its In, the base station number that received first state is reported within a preset period of time may be 1, it is also possible to be multiple.When default When the number of the received first state report in base station is multiple in period, the determining weight for being distributed to WLAN link transmission in base station The quantity of PDU is passed, received multiple first states report that is indicated respectively is distributed to WLAN chain within a preset period of time for base station The sum of the quantity of the re-transmission PDU of road transmission.

Illustratively, if within a preset period of time, base station receives 2 first state reports, first first state report It accuses middle finger and is shown with 1 re-transmission PDU for being distributed to WLAN link transmission, second first state report middle finger is shown with 2 and is distributed to The re-transmission PDU of WLAN link transmission, then base station determine this at least one retransmit PDU quantity be 1 and 2 and, as 3.Base station The total quantity that the PDU of the WLAN link transmission is distributed in scheduled time section is 10, since 3 and 10 ratio is 30%, And 30% is greater than 10%, therefore base station determines that the WLAN link is abnormal.

Particularly, if the PDU for being distributed to WLAN link transmission is packaged into multiple data packets by base station is sent to AP transmission, by AP is successively sent to UE from least one PDU parsed in the data packet in each data packet, and by least one PDU, Then after base station receives the second state report of AP transmission, base station is distributed to WLAN according to include in second state report The SN of the data packet of link transmission failure retransmits the data packet for being distributed to the failure of WLAN link transmission.If base station will be divided It is dealt into WLAN link transmission miss data packet to retransmit by the WLAN chain road direction AP, then base station records the data packet of transmission failure Number of retransmissions, by judging that the number of retransmissions of data packet of transmission failure reaches preset maximum retransmission, i.e. the biography The number of retransmissions of the data packet of defeated failure is greater than or equal to preset first threshold value, and then it is different to determine that the WLAN link occurs Often.

Further, base station judges that the number of retransmissions of the transmission miss data packet reaches preset maximum retransmission, really The method and the judgement of above-mentioned base station that the fixed WLAN link is abnormal, which are distributed in the re-transmission PDU of the WLAN link transmission, weight The PDU that number is greater than or equal to preset first threshold value is passed, it is similar to determine that the WLAN link is abnormal method, herein no longer It repeats.

Alternatively, base station can also determine the data packet of transmission failure after base station receives the second state report that AP is sent Quantity, and determine transmission failure data packet quantity and base station be distributed to the WLAN link transmission data packet total quantity Ratio, to be distributed to the data packet of the WLAN link transmission by the quantity and base station of the data packet of judgement transmission failure The ratio of total quantity is greater than or equal to preset second threshold value, determines that the WLAN link is abnormal.

Illustratively, it is assumed that preset second threshold value is 10%, is failed when AP determines that data packet 100 is transmitted, and will count SN according to packet 100 includes after being sent to base station in the second state report, and base station includes according in second state report SN100 determines the transmission failure of data packet 100.Base station is distributed to the data packet of the WLAN link transmission totally two, respectively data Packet 100 and data packet 101.Since 1 and 2 ratio is 50%, and 50% greater than 10%, therefore, base station determines the WLAN link It is abnormal.

It should be noted that in embodiments of the present invention, base station can count in preset time period, base station received second Instruction is distributed to the quantity of the data packet of WLAN link transmission failure in state report.And then base station passes through judgement transmission failure The ratio that base station is distributed to the total quantity of the data packet of the WLAN link transmission in the quantity and preset time period of data packet is greater than Or it is equal to preset second threshold value, determine that the WLAN link is abnormal.Wherein, base station within a preset period of time received The number of two-state report may be 1, it is also possible to be multiple.When received second state report in base station within a preset period of time Number be it is multiple when, base station determine be distributed to WLAN link transmission failure data packet quantity, be base station when default Between received multiple second state reports indicate respectively in section the data packet for being distributed to the failure of WLAN link transmission quantity With.

Illustratively, if within a preset period of time, base station receives 2 the second state reports, first the second state report It accuses middle finger and is shown with 1 data packet for being distributed to the failure of WLAN link transmission, second the second state report middle finger is shown with 2 distributions To the data packet of WLAN link transmission failure, then base station determines that the quantity for the data packet for being distributed to the failure of WLAN link transmission is 1 With 2 and, as 3.The total quantity that base station is distributed to the data packet of the WLAN link transmission within a preset period of time is 6, due to 3 Ratio with 6 is 50%, and 50% greater than 10%, therefore base station determines that the WLAN link is abnormal.

S506, base station generate link and indicate extremely.

S507, base station indicate extremely according to the link, stop for PDU to be transmitted being distributed to cellular network link and be somebody's turn to do WLAN link transmission, and PDU to be transmitted is sent to UE by cellular network link.

In embodiments of the present invention, when to determine WLAN link abnormal for base station, and after generating link instruction extremely, base station Stop PDU to be transmitted being distributed to cellular network link and the WLAN link transmission according to link instruction extremely, and passes through Cellular network link sends PDU to be transmitted to UE, to guarantee that PDU to be transmitted can be successfully transmitted to UE by base station, thus It avoids base station to continue for PDU to be transmitted to be distributed to the WLAN link transmission being abnormal, causes to be distributed to and be abnormal WLAN link transmission PDU transmit failure.

Further, after base station is according to link instruction stopping MSA extremely, base station can also further control UE reconstruction WLAN link.If UE under the control of base station, completes to rebuild the process of WLAN link, then base station is continued PDU to be transmitted points It is dealt into the WLAN link transmission of cellular network link and reconstruction, is transmitted in the WLAN link of reconstruction so that being distributed to PDU being capable of normal transmission.

If UE under the control of base station, rebuilds WLAN link failure, base station continues PDU to be transmitted passing through cellular network Chain road direction UE is sent then, to guarantee that PDU to be transmitted being capable of normal transmission.

Wherein, control UE in base station, which rebuilds WLAN link and restarts the detailed process of MSA, can be found in implementation as shown in Figure 2 Associated description in example, details are not described herein again.

When the processing method of WLAN link exception in MSA provided in an embodiment of the present invention is applied in DL, such as Figure 10 institute Show, in the second possible implementation, this method may include:

PDU to be transmitted is distributed to cellular network link and WLAN link transmission by S601, base station.

In embodiments of the present invention, the PDU for being distributed to WLAN link transmission is sent to AP by base station, by AP by these PDU It is forwarded to UE.

S602, base station receive the link unexpected message that AP is sent, and carry link in the link unexpected message and indicate extremely, should Link unexpected message is used to indicate the WLAN link and sends exception.

Wherein, the link carried in the link unexpected message indicates extremely, is AP by monitoring frame loss rate, judges the WLAN It is generated after link transmission exception.

Further, it is abnormal to judge that the WLAN link is sent by monitoring frame loss rate by AP, and the link generated indicates extremely Detailed process, reference can be made to the associated description in embodiment as shown in Figure 4, details are not described herein again.

S603, base station indicate extremely according to the link, stop for PDU to be transmitted being distributed to cellular network link and be somebody's turn to do WLAN link transmission, and PDU to be transmitted is sent to UE by cellular network link.

In embodiments of the present invention, it is indicated when the link carried in the link unexpected message that base station is sent according to AP is abnormal, After determining the WLAN link exception, base station stops PDU to be transmitted being distributed to cellular network chain according to link instruction extremely Road and the WLAN link transmission, and PDU to be transmitted is sent to UE by cellular network link, to guarantee that base station can will be to be passed Defeated PDU is successfully transmitted to UE, continues for PDU to be transmitted to be distributed to the WLAN link biography being abnormal so as to avoid base station It is defeated, lead to the PDU transmission failure for being distributed to the WLAN link transmission being abnormal.

Further, when base station stops PDU to be transmitted being distributed to cellular network link according to link instruction extremely After the WLAN link transmission, base station can also indicate extremely according to the link, further control UE and rebuild WLAN link.If UE Under the control of base station, the process for rebuilding WLAN link is completed, then continuation PDU to be transmitted in base station is distributed to cellular network link With the WLAN link transmission of reconstruction so that being distributed to the PDU transmitted in the WLAN link of reconstruction being capable of normal transmission.

If UE under the control of base station, rebuilds WLAN link failure, then base station continues PDU to be transmitted passing through Cellular Networks Network chain road direction UE is sent, to guarantee that PDU to be transmitted being capable of normal transmission.

When the processing method of WLAN link exception in MSA provided in an embodiment of the present invention is applied in UL, such as Figure 11 institute Show, this method may include:

PDU to be transmitted is distributed to cellular network link and the WLAN link transmission by S701, UE.

S702, UE record are distributed to the SN of the PDU of the WLAN link transmission.

Wherein, the meaning of the SN of PDU is identical with the meaning of the SN of the PDU in above-mentioned embodiment as shown in FIG. 6, difference It is that the SN of PDU in the embodiment of the present invention is distributed by UE, the SN of the PDU in above-mentioned embodiment as shown in FIG. 6 is by base Stand distribution.

Further, while PDU to be transmitted is distributed to cellular network link and the WLAN link transmission by UE, UE The SN of the recordable PDU for being distributed to the WLAN link transmission.

Specifically, include multiple PDU in the data flow if UE need to transmit a data flow to base station, then in UE to base station When sending first PDU in the data flow, UE can generate one simultaneously and be distributed to WLAN link transmission for recording UE The list of the SN of PDU, the list can be expressed as WlanPduSnList.And it is subsequent by PDU to be transmitted in the data flow in UE While being distributed to cellular network link and the WLAN link transmission, UE can will be distributed to the SN of the PDU of the WLAN link transmission It is recorded in the WlanPduSnList.

Illustratively, it is assumed that PDU6, PDU7, PDU8, PDU9 and PDU10 need to be sent to base station by UE.UE by PDU6, PDU7 and PDU8 is distributed to the WLAN link transmission, and while PDU9 and PDU10 are distributed to cellular network link transmission, The SN of the SN of SN, PDU7 of PDU6 and PDU8 are recorded in WlanPduSnList by base station.As shown in table 3, SN6, SN7 and SN8 are recorded in WlanPduSnList, indicate that PDU6, PDU7 and PDU8 are distributed to the WLAN link by base station Transmission.

Table 3

WlanPduSnList (SN of PDU)
	6
7
	8
……

S703, UE obtain at least one SN for retransmitting PDU.

Specifically, UE can be reported by receiving the third state that base station is sent, at least one SN for retransmitting PDU is obtained.

Further, in embodiments of the present invention, PDU to be transmitted is being distributed to cellular network link and WLAN chain by UE During road direction base station is transmitted, part PDU may transmit failure, so that base station can not receive these transmission failures PDU.If base station determination has in UE after PDU to be transmitted to be distributed to cellular network link and the transmission of the chain road direction base station WLAN At least one PDU is not received, i.e., base station, which determines, at least one PDU transmission failure, then when base station sends the third state to UE When report, the SN of at least one PDU can be included in third state report, to request UE to retransmit this at least one by base station The SN of PDU is retransmitted in PDU, the i.e. third state report comprising at least one.When UE receives the third state of base station transmission After report, at least one SN for retransmitting PDU is obtained from third state report, and at least one retransmits PDU initiation weight to this It passes.

Wherein, base station sends the concrete mode that the third state is reported to UE, reference can be made to base station is sent to UE in the prior art The mode of state report, details are not described herein again.

It should be noted that at least one SN for retransmitting PDU that UE is obtained from third state report includes UE distribution The SN of the re-transmission PDU transmitted to cellular network link, and it is distributed to the SN of the re-transmission PDU of WLAN link transmission.

Illustratively, it is assumed that UE is transmitted PDU6, PDU7 and PDU8 are distributed to the chain road direction base station WLAN, and by PDU9 With PDU10 be distributed to cellular network link to base station transmission after, if base station determination do not receive PDU6, PDU7 and PDU10, I.e. base station determines PDU6, PDU7 and PDU10 transmission failure, then when base station, which sends the third state to UE, reports, base station will The SN of the SN and PDU10 of SN, PDU7 of PDU6 are included in third state report and are sent to UE, to request UE to retransmit PDU6, PDU7 and PDU10.When UE receive the third state report after, UE can from the third state report in obtain SN6, SN7 and SN10, and PDU6, PDU7 and PDU10 are initiated to retransmit.

Wherein, to this, at least one re-transmission PDU initiation re-transmission can be that UE distributes this at least one re-transmission PDU to UE Re-transmission PDU to WLAN link transmission is retransmitted by the chain road direction base station WLAN, and by this, at least one retransmits in PDU and is distributed to bee The re-transmission PDU of nest network link transmission is retransmitted by cellular network link to base station；To this, at least one retransmits PDU initiation weight to UE It passes and may be, at least one re-transmission PDU passes through the re-transmission of wireless cellular network chain road direction base station to UE by this.

S704, UE determine this, and at least one retransmits the re-transmission PDU that the WLAN link transmission is distributed in PDU.

Specifically, UE is according to this, at least one retransmits the PDU for being distributed to the WLAN link transmission of SN and the UE record of PDU SN, determine and be distributed to the re-transmission PDU of the WLAN link transmission.

Illustratively, it is assumed that the SN of the PDU for being distributed to the WLAN link transmission of UE record is as shown in table 3, i.e. UE is in table 3 The SN of the PDU for being distributed to the WLAN link transmission of middle record is respectively SN6, SN7 and SN8.Then when UE is from the base station received After obtaining SN6, SN7 and SN10 in the third state report of transmission, by searching in table 3, determine that SN6 and SN7 is point It is dealt into the SN of the PDU of the WLAN link transmission, and then base station determines PDU6 and PDU7 is the weight for being distributed to the WLAN link transmission Pass PDU.

If S705, the re-transmission PDU for being distributed to the WLAN link transmission meet preset condition, UE determines that the WLAN link is sent out It is raw abnormal.

Wherein, it includes: to be distributed to WLAN link biography that the re-transmission PDU for being distributed to the WLAN link transmission, which meets preset condition, There is number of retransmissions to be greater than or equal to the PDU of preset first threshold value in defeated re-transmission PDU, alternatively, being distributed to the WLAN link The ratio of the quantity of the re-transmission PDU of transmission and the total quantity for the PDU for being distributed to the WLAN link transmission is greater than or equal to preset Second threshold value.

Specifically, UE includes according in the third state report after UE receives the third state report of base station transmission At least one retransmits the SN of PDU, and to this, at least one retransmits PDU and retransmits.If UE distributes this at least one re-transmission PDU Re-transmission PDU to WLAN link transmission is retransmitted by the chain road direction base station WLAN, and by this, at least one retransmits in PDU and is distributed to bee The re-transmission PDU of nest network link transmission is retransmitted by cellular network link to base station, then UE records each re-transmission for retransmitting PDU time Number, being distributed in the re-transmission PDU of the WLAN link transmission by judgement has number of retransmissions to be greater than or equal to preset first thresholding The PDU of value determines that the WLAN link is abnormal.

Illustratively, by taking PDU6 as an example, PDU6 is one retransmitted in PDU for being distributed to the WLAN link transmission.Work as UE After the third state report for receiving base station transmission, UE retransmits PDU6 according to the SN6 for including in third state report, And the number of retransmissions of PDU6 is added 1, and judge whether the number of retransmissions of PDU6 is greater than or equal to preset first threshold value.If The number of retransmissions of PDU6 is less than preset first threshold value, and PDU6 transmission success not yet, then UE continues to retransmit PDU6, and will The number of retransmissions of PDU6 continues to add 1.Assuming that preset first threshold value is 5, after UE judges the number of retransmissions of PDU6 for 5, Transmission success, i.e. UE do not remain to receive the third state report comprising SN6 of base station transmission to PDU6 yet, and UE then determines the WLAN Link is abnormal.

Wherein, preset first threshold value is above-mentioned preset maximum retransmission, and UE judgement retransmits the re-transmission time of PDU Whether number is greater than or equal to preset first threshold value, it can is interpreted as UE and judges whether the number of retransmissions for retransmitting PDU reaches Maximum retransmission.

Alternatively, when by this, if at least one re-transmission PDU passes through the re-transmission of wireless cellular network chain road direction base station, UE root to UE According to the SN for retransmitting PDU in third state report comprising at least one, determine the re-transmission PDU's for being distributed to the WLAN link transmission Quantity, and determine that at least one quantity for being distributed to the re-transmission PDU of the WLAN link transmission is distributed to the WLAN link with UE The ratio of the total quantity of the PDU of transmission, to be divided by the quantity that judgement is distributed to the re-transmission PDU of the WLAN link transmission with UE The ratio for being dealt into the total quantity of the PDU of the WLAN link transmission is greater than or equal to preset second threshold value, determines the WLAN chain Road is abnormal.

Illustratively, it is assumed that preset second threshold value is the third state report that the received base station 20%, UE is sent In include SN6, SN7 and SN10, the SN that records is respectively SN6, SN7 and SN8 in the WlanPduSnList that UE is saved, then UE Determine that the quantity for being distributed to the re-transmission PDU of the WLAN link transmission is that 2, UE is determined according to the SN recorded in WlanPduSnList The total quantity that UE is distributed to the PDU of the WLAN link transmission is 3.Since 2 and 3 ratio is about 66.67%, and 66.67% is big In 20%, therefore, UE determines that the WLAN link is abnormal.

It should be noted that in embodiments of the present invention, UE can be counted in preset time period, the received third state of UE At least one indicated in report retransmits in PDU, is distributed to the quantity of the re-transmission PDU of WLAN link transmission.And then UE is by sentencing The quantity and UE of the disconnected re-transmission PDU for being distributed to the WLAN link transmission are distributed to the total quantity of the PDU of the WLAN link transmission Ratio is greater than or equal to preset second threshold value, determines that the WLAN link is abnormal.Wherein, UE connects within a preset period of time The number of the third state report of receipts may be 1, it is also possible to be multiple.When the received third state of UE within a preset period of time When the number of report is multiple, what UE was determined is distributed to the quantity of the re-transmission PDU of WLAN link transmission, is UE in preset time period The sum of the quantity for the re-transmission PDU for being distributed to WLAN link transmission that interior received multiple third state reports indicate respectively.

Illustratively, if within a preset period of time, UE receives 3 third state reports, first third state report Middle finger is shown with 1 re-transmission PDU for being distributed to WLAN link transmission, and second third state report middle finger is shown with 2 and is distributed to The re-transmission PDU of WLAN link transmission, third third state report middle finger are shown with 1 re-transmission for being distributed to WLAN link transmission PDU, then the sum that the quantity of the determining re-transmission PDU for being distributed to the WLAN link transmission of UE is 1,2 and 1, as 4.UE is distributed to The total quantity of the PDU of the WLAN link transmission is 10, and since 4 and 10 ratio is 40%, and 40% greater than 20%, therefore UE is true The fixed WLAN link is abnormal.

S706, UE generate link and indicate extremely.

S707, UE are indicated extremely according to the link, stop PDU to be transmitted being distributed to cellular network link and the WLAN Link transmission, and PDU to be transmitted is sent to base station by cellular network link.

S708, UE carry the link and indicate extremely to base station transmission link unexpected message in the link unexpected message.

It should be noted that the execution sequence of above-mentioned S707 and S708 does not limit in embodiments of the present invention, Ke Yixian S707 is executed, then executes S708, S708 can also be first carried out, then execute S707, may also be performed simultaneously S707 and S708.

In embodiments of the present invention, when to determine WLAN link abnormal by UE, and after generating link instruction extremely, UE is according to this Link instruction extremely stops PDU to be transmitted being distributed to cellular network link and the WLAN link transmission, and passes through Cellular Networks Network chain road direction base station sends PDU to be transmitted, to guarantee that PDU to be transmitted can be successfully transmitted to base station by UE, to avoid UE continues for PDU to be transmitted to be distributed to the WLAN link transmission being abnormal, and causes to be distributed to the WLAN being abnormal Link transmission PDU transmission failure.

Optionally, in embodiments of the present invention, after generating link instruction extremely, if UE first sends link instruction extremely To base station, then UE may receive the stopping instruction of base station, and then UE is indicated according to the stopping, being stopped PDU to be transmitted It is distributed to cellular network link and the WLAN link transmission, and PDU to be transmitted is sent to base station by cellular network link.

It should be noted that in embodiments of the present invention, when UE indicates the link of generation to carry in link exception extremely After being sent to base station in message, base station can indicate extremely to determine that the WLAN link is abnormal according to the link, thereby executing Corresponding operation.For example, after the link that base station is sent according to UE indicates to determine that the WLAN link is abnormal extremely, base station It can be indicated extremely according to the link, control UE rebuilds WLAN link.

Specifically, base station indicates extremely according to the link, control UE rebuilds the implementation of WLAN link, reference can be made to as schemed Associated description in 2 illustrated embodiments, details are not described herein again.

Further, if UE is under the control of base station, the process for rebuilding WLAN link is completed, then continue will be to be transmitted by UE PDU is distributed to the WLAN link transmission of cellular network link and reconstruction again, so that being distributed to the WLAN link of reconstruction The PDU of middle transmission being capable of normal transmission.If UE under the control of base station, rebuilds WLAN link failure, then continue will be to be transmitted by UE PDU by cellular network link to base station send, to guarantee that PDU to be transmitted being capable of normal transmission.

Embodiment three

As shown in figure 12, the embodiment of the present invention provides a kind of base station, and the base station specifically includes:

Acquiring unit 10 indicates that link instruction extremely is used to indicate the generation of WLAN link for obtaining link extremely It is abnormal.

Transmission unit 11, the link for being obtained according to the acquiring unit 10 indicate that stopping will be to be transmitted extremely PDU be distributed to cellular network link and the WLAN link transmission, and described in being sent to UE by the cellular network link PDU to be transmitted.

Optionally, the acquiring unit 10, specifically for generating the chain when determining that the WLAN link is abnormal Road indicates extremely.

Optionally, the acquiring unit 10 is distributed to the WLAN link specifically for determining that at least one is retransmitted in PDU The re-transmission PDU of transmission, if the re-transmission PDU for being distributed to the WLAN link transmission meets preset condition, it is determined that described WLAN link is abnormal.

Optionally, the transmission unit 11 is also used to determine that at least one is retransmitted in PDU in the acquiring unit 10 and distribute To before the re-transmission PDU of the WLAN link transmission, the PDU to be transmitted is distributed to the cellular network link and described WLAN link transmission.

Further, in conjunction with Figure 12, as shown in figure 13, the base station further includes recording unit 12, the recording unit 12, The mark for being distributed to the PDU of the WLAN link transmission for recording the transmission unit 11.

The acquiring unit 10 is also used to obtain the mark of at least one re-transmission PDU.

The acquiring unit 10, specifically for the mark and the recording unit 12 according at least one re-transmission PDU It is distributed to the mark of the PDU of the WLAN link transmission described in record, is distributed to the WLAN link transmission described in determination Retransmit PDU.

Optionally, at least one re-transmission PDU's that the acquiring unit 10 obtains is identified as at least one described weight Pass the sequence number SN of PDU.

The acquiring unit 10 reports specifically for receiving the first state that the UE is sent, and from the first state At least one retransmits the SN of PDU described in obtaining in report, includes at least one re-transmission PDU in the first state report SN。

Optionally, at least one described being identified as PDU of re-transmission that the acquiring unit 10 obtains is distributed to the WLAN The SN of the data packet of link transmission failure, the data packet include at least one re-transmission PDU.

The acquiring unit 10, the second state report sent specifically for receiving access point AP, and from second shape The SN of the data packet is obtained in state report, includes the SN of the data packet in second state report.

Optionally, the acquiring unit 10 is specifically used for receiving measurement report, and the measurement report includes the WLAN chain The metrical information on road, if the metrical information meets preset abnormal Rule of judgment, it is determined that the WLAN link is abnormal.

Optionally, the acquiring unit 10, specifically for the link unexpected message that WT is sent, in the link unexpected message The link is carried to indicate extremely.

Optionally, the acquiring unit 10, the link unexpected message sent specifically for receiving the UE, the link are different The link is carried in normal message to indicate extremely.

Optionally, the acquiring unit 10, the link unexpected message sent specifically for receiving AP, the link disappear extremely The link is carried in breath to indicate extremely.

Optionally, the PDU to be transmitted includes being distributed to the cellular network link and the WLAN link The PDU of the UE is not transferred in PDU.

The transmission unit 11 is specifically used for requesting to the UE status report, and receives the anti-of the UE transmission State report is presented, and according to the condition report feedback, is not passed by the cellular network link to UE transmission is described The PDU of the UE is transported to, the state report request is used for the PDU for requesting to be not transferred to the UE described in the UE feedback, institute It states condition report feedback and is used to indicate the PDU for being not transferred to the UE.

Optionally, the base station further includes control unit 13, illustratively, in conjunction with Figure 13, and as shown in figure 14, the control Unit 13, the link for being obtained according to the acquiring unit 10 indicate extremely, control the UE and rebuild WLAN link.

The embodiment of the present invention provides a kind of base station, and the base station can obtain link and indicate extremely, and different according to the link Often instruction stops PDU to be transmitted being distributed to cellular network link and WLAN link transmission, and passes through cellular network link PDU to be transmitted is sent to UE, link instruction extremely is used to indicate the WLAN link and is abnormal.Through the embodiment of the present invention The base station of offer can obtain link and indicate extremely, and be indicated to determine that the WLAN link is abnormal extremely according to the link, from And base station can stop PDU to be transmitted being distributed to the WLAN link transmission according to link instruction extremely, and pass through honeycomb Network link sends PDU to be transmitted to UE, with guarantee PDU to be transmitted can normal transmission, and then avoid base station and continue PDU to be transmitted is distributed to the WLAN link transmission being abnormal, leads to the PDU transmission for being distributed to the WLAN link transmission Failure.

As shown in figure 15, the embodiment of the present invention provides a kind of UE, comprising:

Generation unit 20, for generating link and indicating extremely when determination unit 21 determines that WLAN link is abnormal, institute It states link and indicates that being used to indicate the WLAN link is abnormal extremely.

Transmission unit 22, the link for being generated according to the generation unit 20 indicate that stopping will be to be transmitted extremely PDU be distributed to cellular network link and the WLAN link transmission, and institute is sent to base station by the cellular network link State PDU to be transmitted.

Optionally, in conjunction with Figure 15, as shown in figure 16, the UE further includes transmission unit 23, and the transmission unit 23 is used for It sends the link that the generation unit 20 generates to the base station to indicate extremely, link instruction extremely is used for the base It stands and determines that the WLAN link is abnormal.

Optionally, the determination unit 21 is distributed to the WLAN link transmission for determining that at least one is retransmitted in PDU Re-transmission PDU, if the re-transmission PDU for being distributed to the WLAN link transmission meets preset condition, it is determined that the WLAN chain Road is abnormal.

Optionally, the transmission unit 22 is also used to determine that at least one is retransmitted in PDU in the determination unit 21 and distribute To before the re-transmission PDU of the WLAN link transmission, the PDU to be transmitted is distributed to the cellular network link and described WLAN link transmission；

Further, in conjunction with shown in Figure 15 or Figure 16, the UE further includes recording unit 24 and acquiring unit 25, exemplary , in conjunction with Figure 15, as shown in figure 17, the record 24 is distributed to the WLAN link for recording the transmission unit 22 The sequence number SN of the PDU of transmission.

The acquiring unit 25, for obtaining the SN of at least one re-transmission PDU.

The determination unit 21, specifically for the SN of at least one re-transmission PDU and institute according to the acquiring unit 25 The SN of the PDU for being distributed to the WLAN link transmission of the record of recording unit 24 is stated, is distributed to the WLAN described in determination The re-transmission PDU of link transmission.

Optionally, the determination unit 21, specifically for obtaining the metrical information of the WLAN link, if the measurement is believed Breath meets preset abnormal Rule of judgment, and the UE then determines that the WLAN link is abnormal, and the metrical information is for true Whether the fixed WLAN link is abnormal.

Optionally, the PDU to be transmitted includes being distributed to the WLAN link and being not transferred to the base station PDU。

The transmission unit 22 is specifically used for requesting to the base station status report, and receives the base station and send Condition report feedback, and according to the condition report feedback, institute is sent to the base station by the cellular network link The PDU for being distributed to the WLAN link and being not transferred to the base station is stated, the state report request is described for requesting It has been distributed to the WLAN link described in base station feedback and has been not transferred to the PDU of the base station, the condition report feedback is used In the instruction PDU for being distributed to the WLAN link and be not transferred to the base station.

The embodiment of the present invention provides a kind of UE, and the UE it is different can to generate link when determining that WLAN link is abnormal Often instruction, and indicated extremely according to the link, stop for PDU to be transmitted being distributed to cellular network link and the WLAN link passes It is defeated, and PDU to be transmitted is sent to base station by cellular network link, link instruction extremely is used to indicate WLAN link hair It is raw abnormal.The UE provided through the embodiment of the present invention can determine that WLAN link is abnormal, and generates link and indicate extremely, To which UE can stop PDU to be transmitted being distributed to the WLAN link transmission according to link instruction extremely, and pass through honeycomb Network link sends PDU to be transmitted to base station, with guarantee PDU to be transmitted can normal transmission, and then avoid UE and continue PDU to be transmitted is distributed to the WLAN link transmission being abnormal, leads to the PDU transmission for being distributed to the WLAN link transmission Failure.

As shown in figure 29, the embodiment of the present invention provides a kind of UE, comprising:

Receiving unit 90, for receiving the link unexpected message of base station transmission, in the link unexpected message described in carrying Link indicates that link instruction extremely is used to indicate WLAN link and is abnormal extremely.

Transmission unit 91 stops for being indicated extremely according to the received link of the receiving unit 90 by association to be transmitted View data cell PDU is distributed to cellular network link and the WLAN link transmission, and passes through the cellular network link to base It stands and sends the PDU to be transmitted.

Optionally, in conjunction with Figure 29, as shown in figure 30, the UE further includes acquiring unit 92 and transmission unit 93.

The acquiring unit 92, for obtaining before the link unexpected message that the receiving unit 90 receives that base station is sent The metrical information of the WLAN link is taken, the metrical information is for determining whether the WLAN link is abnormal.

The transmission unit 93, for sending measurement report to the base station, the measurement report includes the WLAN chain The metrical information on road.

Optionally, the PDU to be transmitted includes being distributed to the cellular network link and WLAN link biography The PDU of the base station is not transferred in defeated PDU.

The transmission unit 91 is specifically used for requesting to the base station status report, and receives the base station and send Condition report feedback, and according to the condition report feedback, institute is sent to the base station by the cellular network link The PDU for being not transferred to the base station is stated, the state report request is for requesting to be not transferred to the base station described in the base station PDU, the condition report feedback is used to indicate the PDU for being not transferred to the base station.

The embodiment of the present invention provides a kind of UE, and the UE can receive the link unexpected message of base station transmission, and the link is different The link is carried in normal message to indicate extremely, and is indicated extremely according to the link, is stopped protocol Data Unit to be transmitted PDU is distributed to cellular network link and the WLAN link transmission, and by the cellular network link to described in the transmission of base station PDU to be transmitted, wherein link instruction extremely is used to indicate WLAN link and is abnormal.It provides through the embodiment of the present invention UE, the link that can be sent according to base station instruction extremely stops PDU to be transmitted being distributed to the WLAN link transmission, and leads to Cross cellular network link and send PDU to be transmitted to base station, with guarantee PDU to be transmitted can normal transmission, and then avoid UE continues for PDU to be transmitted to be distributed to the WLAN link transmission being abnormal, and causes to be distributed to the WLAN link transmission PDU transmission failure.

As shown in figure 31, the embodiment of the present invention provides a kind of WT, comprising:

Acquiring unit 100, for obtaining the metrical information of the WLAN link, the metrical information is for described in determination Whether WLAN link is abnormal.

Generation unit 101, if meeting preset abnormal judgement for the metrical information that the acquiring unit 100 obtains Condition then generates link and indicates extremely, and link instruction extremely is used to indicate the WLAN link and is abnormal.

Transmission unit 102 indicates extremely for sending the link to base station.

Optionally, the transmission unit 102 is specifically used for the base station transmission link unexpected message, and the link is different The link is carried in normal message to indicate extremely.

The embodiment of the present invention provides a kind of WT, can obtain the metrical information of WLAN link, if the metrical information meets in advance If abnormal Rule of judgment, then generate link extremely indicate, and to base station send the link extremely indicate, wherein the measurement letter For determining whether the WLAN link is abnormal, link instruction extremely is used to indicate WLAN link and is abnormal breath.Pass through The WT provided in an embodiment of the present invention can judge the metrical information of the WLAN link, and meet in the metrical information Link is generated when preset exception Rule of judgment to indicate extremely, and sends the link to base station and indicates extremely, so that base station can To stop PDU to be transmitted being distributed to the WLAN link transmission according to link instruction extremely, and pass through cellular network link Send PDU to be transmitted to UE, with guarantee PDU to be transmitted can normal transmission, and then avoiding base station persistently will be to be transmitted PDU be distributed to the WLAN link transmission being abnormal, lead to be distributed to the PDU transmission failure of the WLAN link transmission.

As shown in figure 18, the embodiment of the present invention provides an a kind of AP, and the AP can specifically include:

Monitoring unit 30, is used for monitoring frame loss rate, and the packet loss is used to characterize the ratio of the AP forwarding PDU failure.

Generation unit 31, for being greater than or equal to preset packet loss when the packet loss of the monitoring unit 30 monitoring It when threshold value, generates link and indicates extremely, link instruction extremely is used to indicate the WLAN link and is abnormal.

Transmission unit 32 indicates extremely for sending the link that the generation unit 31 generates to base station.

Optionally, the transmission unit 32 is specifically used for the base station transmission link unexpected message, and the link is abnormal The link that the generation unit 31 generates is carried in message to indicate extremely.

AP provided in an embodiment of the present invention, can monitoring frame loss rate, and when the packet loss be greater than or equal to preset packet loss It when rate threshold value, generates link and indicates extremely, and send the link to base station and indicate extremely, which turns for characterizing the AP The ratio of PDU failure is sent out, link instruction extremely is used to indicate WLAN link and is abnormal.It provides through the embodiment of the present invention AP, can monitoring frame loss rate, and the packet loss be greater than or equal to preset packet loss threshold value when generate link extremely indicate, with And send the link to base station and indicate extremely, so that base station can stop according to link instruction extremely by PDU to be transmitted points It is dealt into the WLAN link transmission, and PDU to be transmitted is sent to UE by cellular network link, to guarantee PDU energy to be transmitted Enough normal transmissions, and then avoid base station and continue for PDU to be transmitted to be distributed to the WLAN link transmission being abnormal, cause by It is distributed to the PDU transmission failure of the WLAN link transmission.

As shown in figure 19, the embodiment of the invention provides a kind of AP, the AP can specifically include:

Determination unit 40, for determining the sequence number SN for being distributed to the data packet of WLAN link transmission failure, the data Packet includes at least one PDU, and the SN of the data packet is for determining whether the WLAN link is abnormal.

Transmission unit 41, for include to base station status report, in the state report determination unit 40 really The SN of the fixed data packet.

Optionally, in conjunction with Figure 19, as shown in figure 20, the AP further includes receiving unit,

The receiving unit 42, for determining the data packet for being distributed to the failure of WLAN link transmission in the determination unit 40 SN before, receive the data packet that the base station is sent, include the SN of the data packet in the packet header of the data packet.

The determination unit 40 determines the SN of the data packet specifically for the packet header according to the data packet.

AP provided in an embodiment of the present invention, can determine be distributed to WLAN link transmission failure data packet SN, and to Base station status report, the data packet include at least one PDU, and the SN of the data packet is for determining whether the WLAN link is sent out It is raw abnormal, it include the SN of the data packet in the state report.The AP provided through the embodiment of the present invention, can be by sending out to base station State report is sent, so that base station is abnormal according to the state report judging WLAN link, and is generated link and is indicated extremely, from And base station is enabled to stop PDU to be transmitted being distributed to the WLAN link transmission according to link instruction extremely, and pass through Cellular network link sends PDU to be transmitted to UE, with guarantee PDU to be transmitted can normal transmission, and then avoid base station Continue for PDU to be transmitted to be distributed to the WLAN link transmission being abnormal, leads to the PDU for being distributed to the WLAN link transmission Transmission failure.

Example IV

As shown in figure 21, the embodiment of the present invention provides an a kind of base station, and the base station may include: processor 50, transmitting-receiving Device 51, memory 52 and system bus 53.Lead between the processor 50, the transceiver 51 and the memory 52 The system bus 53 is crossed to connect and complete mutual communication.

The processor 50 can be a central processing unit (English: central processing unit, abbreviation: CPU) or specific integrated circuit (English: application specific integrated circuit, abbreviation: ASIC), or it is arranged to implement one or more integrated circuits of the embodiment of the present invention.

The transceiver 51 can be a module with transmission-receiving function integrated by transmitters and receivers, can also be with For a module with independent transmitter and independent receiver, the transceiver 51 is used for the base station and other equipment It is communicated, for example, the transceiver 51 is communicated under the control of the processor 50 with UE.

The memory 52 may include volatile memory (English: volatile memory), such as arbitrary access is deposited Reservoir (English: random-access memory, abbreviation: RAM)；The memory 52 also may include nonvolatile memory (English: non-volatile memory), such as read-only memory (English: read-only memory, abbreviation: ROM), fastly Flash memory (English: flash memory), hard disk (English: hard disk drive, abbreviation: HDD) or solid state hard disk (English Text: solid-state drive, abbreviation: SSD)；The memory 52 can also include the combination of the memory of mentioned kind.

When the base station operation when, the processor 50, the transceiver 51 and the memory 52 can execute Fig. 1, Any set method flow described in Fig. 8, Figure 10, Figure 11, specifically includes:

The processor 50 indicates extremely for obtaining link, and is indicated extremely according to the link, and stopping will be to be transmitted PDU be distributed to cellular network link and the WLAN link transmission, and institute is sent to UE by the cellular network link PDU to be transmitted is stated, link instruction extremely is used to indicate WLAN link and is abnormal；The memory 52, for storing Code that the link indicates extremely, the PDU to be transmitted, and the control processor 50 complete the software of the above process Program, thus the processor 50 by the code that executes the software program and the link is called to indicate extremely and it is described to The PDU of transmission completes the above process.

It should be noted that the processor 50 is described to be transmitted to UE transmission by controlling the transceiver 51 PDU。

Optionally, the processor 50, specifically for generating the link when determining that the WLAN link is abnormal Abnormal instruction.

Optionally, the processor 50 is distributed to the WLAN link biography specifically for determining that at least one is retransmitted in PDU Defeated re-transmission PDU, if the re-transmission PDU for being distributed to the WLAN link transmission meets preset condition, it is determined that the WLAN Link is abnormal.

Optionally, the processor 50 is also used to be distributed to the WLAN link biography in determining at least one re-transmission PDU Before defeated re-transmission PDU, the PDU to be transmitted is distributed to the cellular network link and the WLAN link transmission, and Record is distributed to the mark of the PDU of the WLAN link transmission, and obtains the mark of at least one re-transmission PDU, Yi Jigen According to the mark of at least one re-transmission PDU and the mark of the PDU for being distributed to the WLAN link transmission, described divide is determined It is dealt into the re-transmission PDU of the WLAN link transmission.

Optionally, at least one re-transmission PDU's that the processor 50 obtains is identified as at least one described re-transmission The sequence number SN of PDU.

The processor 50 reports specifically for receiving the first state that the UE is sent, and from the first state report At least one retransmits the SN of PDU described in obtaining in announcement, includes at least one re-transmission PDU in the first state report SN。

Optionally, at least one described being identified as PDU of re-transmission that the processor 50 obtains is distributed to the WLAN chain The SN of the data packet of road transmission failure, the data packet include at least one re-transmission PDU.

The processor 50, the second state report sent specifically for receiving access point AP, and from second state The SN of the data packet is obtained in report, includes the SN of the data packet in second state report.

Optionally, the processor 50 is specifically used for receiving measurement report, and the measurement report includes the WLAN link Metrical information, if the metrical information meets preset abnormal Rule of judgment, it is determined that the WLAN link is abnormal.

Optionally, the processor 50, the link unexpected message sent specifically for receiving WT, the link unexpected message It is middle to carry link instruction extremely.

Optionally, the processor 50, the link unexpected message sent specifically for receiving the UE, the link are abnormal The link is carried in message to indicate extremely.

Optionally, the processor 50, the link unexpected message sent specifically for receiving AP, the link unexpected message It is middle to carry link instruction extremely.

The processor 50 is specifically used for requesting to the UE status report, and receives the feedback that the UE is sent State report, and according to the condition report feedback, do not transmitted by the cellular network link to UE transmission is described To the PDU of the UE, the state report request is used for the PDU for requesting to be not transferred to the UE described in the UE feedback, described Condition report feedback is used to indicate the PDU for being not transferred to the UE.

Optionally, the processor 50 is also used to be indicated extremely according to the link, controls the UE and rebuild WLAN chain Road.

As shown in figure 22, the embodiment of the present invention provides a kind of UE, and the UE may include: processor 60, memory 61, with And system bus 62.It is connected and is completed each other by the system bus 62 between the processor 60 and the memory 61 Communication.

The processor 60 can be a CPU or ASIC, or be arranged to implement the embodiment of the present invention One or more integrated circuits.

The memory 61 may include volatile memory, such as RAM；The memory 61 also may include non-volatile Property memory, such as ROM, flash memory, HDD or SSD；The memory 61 can also include the memory of mentioned kind Combination.

When UE operation, the processor 60 and the memory 61 can execute Fig. 3, Fig. 8, Figure 10, Tu11Suo Any set method flow stated, specifically includes:

The processor 60, for when determining that WLAN link is abnormal, generating link instruction extremely, and according to described Link indicates extremely, stops PDU to be transmitted being distributed to cellular network link and the WLAN link transmission, and pass through institute It states cellular network link and sends the PDU to be transmitted to base station, link instruction extremely is used to indicate the WLAN link It is abnormal；The memory 61, for storing the code and the PDU to be transmitted that the link indicates extremely, and control The software program that the processor 60 completes the above process is made, so that the processor 60 is by executing the software program and adjusting The code and the PDU to be transmitted indicated extremely with the link completes the above process.

Optionally, in conjunction with Figure 22, as shown in figure 23, the UE further includes transceiver 63.

The transceiver 63 indicates, institute extremely for sending the link that the processor 60 generates to the base station It states link instruction extremely and determines that the WLAN link is abnormal for the base station.

It should be noted that the transceiver 63 can have transmission-receiving function by what transmitters and receivers integrated for one Module, or a module with independent transmitter and independent receiver, the transceiver 63 is at the place It manages and is communicated under the control of device 60 with base station.

Optionally, the processor 60 is distributed to the WLAN link biography specifically for determining that at least one is retransmitted in PDU Defeated re-transmission PDU, if the re-transmission PDU for being distributed to the WLAN link transmission meets preset condition, it is determined that the WLAN Link is abnormal.

Optionally, the processor 60 is also used to be distributed to the WLAN link biography in determining at least one re-transmission PDU Before defeated re-transmission PDU, the PDU to be transmitted is distributed to the cellular network link and the WLAN link transmission, and The sequence number SN of the PDU of the WLAN link transmission is recorded, and obtains the SN of at least one re-transmission PDU, and according to institute The SN of SN and the PDU for being distributed to the WLAN link transmission that at least one retransmits PDU are stated, is distributed to described in determination described The re-transmission PDU of WLAN link transmission.

Optionally, the processor 60, specifically for obtaining the metrical information of the WLAN link, if the metrical information Meet preset abnormal Rule of judgment, the UE then determines that the WLAN link is abnormal, and the metrical information is for determining Whether the WLAN link is abnormal.

The processor 60 is specifically used for requesting to the base station status report, and receives what the base station was sent Condition report feedback, and according to the condition report feedback, by the cellular network link to described in the transmission of the base station It is not transferred to the PDU of the base station, the state report request is for requesting to be not transferred to the base described in the base station feedback The PDU to stand, the condition report feedback are used to indicate PDU that is described and being not transferred to the base station.

As shown in figure 32, the embodiment of the present invention provides a kind of UE, and the UE may include: processor 110, memory 111, And system bus 112.It connects and completes by the system bus 112 between the processor 110 and the memory 111 Mutual communication.

The processor 110 can be a CPU or ASIC, or be arranged to implement the embodiment of the present invention One or more integrated circuits.

The memory 111 may include volatile memory, such as RAM；The memory 111 also may include non-easy The property lost memory, such as ROM, flash memory, HDD or SSD；The memory 111 can also include the storage of mentioned kind The combination of device.

When UE operation, the processor 110 and the memory 111 can execute 27 described in method flow, It specifically includes:

The processor 110 carries institute in the link unexpected message for receiving the link unexpected message of base station transmission It states link to indicate extremely, and is indicated extremely according to the link, stop protocol Data Unit PDU to be transmitted being distributed to honeycomb Network link and the WLAN link transmission, and the PDU to be transmitted, institute are sent to base station by the cellular network link It states link and indicates that being used to indicate WLAN link is abnormal extremely；The memory 111, for storing the link unexpected message Code, the code that the link indicates extremely, the PDU to be transmitted code, and the control processor 110 completes The software program of the above process, so that the processor 110 is by executing the software program and the link being called to disappear extremely The code of code, the PDU to be transmitted that the code of breath, the link indicate extremely completes the above process.

Optionally, the processor 110 is also used to before receiving the link unexpected message that base station is sent, described in acquisition The metrical information of WLAN link, the metrical information is for determining whether the WLAN link is abnormal.

The processor 110 is also used to send measurement report to the base station, and the measurement report includes the WLAN chain The metrical information on road.

The processor 110 is specifically used for requesting to the base station status report, and receives what the base station was sent Condition report feedback, and according to the condition report feedback, by the cellular network link to described in the transmission of the base station It is not transferred to the PDU of the base station, the state report request is for requesting to be not transferred to the base described in the base station feedback The PDU to stand, the condition report feedback are used to indicate the PDU for being not transferred to the base station.

As shown in figure 33, the embodiment of the present invention provides a kind of WT, the WT may include: processor 120, memory 121, Transceiver 122 and system bus 123.By described between the processor 120, the memory 121 and transceiver 122 System bus 123 connects and completes mutual communication.

The processor 120 can be a CPU or ASIC, or be arranged to implement the embodiment of the present invention One or more integrated circuits.

The memory 121 may include volatile memory, such as RAM；The memory 121 also may include non-easy The property lost memory, such as ROM, flash memory, HDD or SSD；The memory 121 can also include the storage of mentioned kind The combination of device.

When WT operation, the processor 120, the memory 121 and the transceiver 122 can execute 28 The method flow, specifically includes:

The processor 120, for obtaining the metrical information of the WLAN link, if the metrical information meet it is preset Abnormal Rule of judgment then generates link and indicates extremely, and the metrical information is used to determine whether the WLAN link is abnormal, Link instruction extremely is used to indicate the WLAN link and is abnormal；The transceiver 122 is used for and sends institute to base station Link is stated to indicate extremely；The memory 121, it is the code of the metrical information for storing the WLAN link, described preset The code of abnormal Rule of judgment, the link indicate extremely, and the control processor 120 completes the software journey of the above process Sequence, thus code of the processor 120 by the metrical information for executing the software program and calling the WLAN link, institute The code and the link for stating preset abnormal Rule of judgment indicate extremely, complete the above process.

Optionally, the transceiver 122 is specifically used for the base station transmission link unexpected message, and the link is abnormal The link is carried in message to indicate extremely.

As shown in figure 24, the embodiment of the present invention provides a kind of AP, and the AP may include: processor 70, transceiver 71, deposit Reservoir 72 and system bus 73.Pass through the system bus between the processor 70, transceiver 71 and the memory 72 73 connect and complete mutual communication.

The processor 70 can be a CPU or ASIC, or be arranged to implement the embodiment of the present invention One or more integrated circuits.

The transceiver 71 can be a module with transmission-receiving function integrated by transmitters and receivers, can also be with For a module with independent transmitter and independent receiver.

The memory 72 may include volatile memory, such as RAM；The memory 72 also may include non-volatile Property memory, such as ROM, flash memory, HDD or SSD；The memory 72 can also include the memory of mentioned kind Combination.

When AP operation, the processor 70, the transceiver 71 and the memory 72 can execute Fig. 4 or figure Method flow described in 8, specifically includes:

The processor 70 is used for monitoring frame loss rate, and when the packet loss is greater than or equal to preset packet loss threshold value When, it generates link and indicates extremely, the packet loss is used to characterize the ratio of the AP forwarding PDU failure, and the link refers to extremely Show that being used to indicate the WLAN link is abnormal；The transceiver 71, for sending what the processor 70 generated to base station The link indicates extremely；The memory 72, the generation for storing the code of the packet loss, the link indicates extremely Code, and the control processor 70 complete the software program of the above process, so that the processor 70 is described soft by executing Part program and the code for calling the code of the packet loss and the link to indicate extremely complete the above process.

Optionally, the transceiver 71 is specifically used for the base station transmission link unexpected message, and the link disappears extremely The link that the processor 70 generates is carried in breath to indicate extremely.

As shown in figure 25, the embodiment of the present invention provides a kind of AP, and the AP may include: processor 80, transceiver 81, deposit Reservoir 82 and system bus 83.Pass through the system bus between the processor 80, transceiver 81 and the memory 82 83 connect and complete mutual communication.

The processor 80 can be a CPU or ASIC, or be arranged to implement the embodiment of the present invention One or more integrated circuits.

The transceiver 81 can be a module with transmission-receiving function integrated by transmitters and receivers, can also be with For a module with independent transmitter and independent receiver.

The memory 82 may include volatile memory, such as RAM；The memory 82 also may include non-volatile Property memory, such as ROM, flash memory, HDD or SSD；The memory 82 can also include the memory of mentioned kind Combination.

When AP operation, the processor 80, the transceiver 81 and the memory 82 can execute Fig. 5, Fig. 6 Or any set method flow described in Figure 10, it specifically includes:

The processor 80, for determining the sequence number SN for being distributed to the data packet of WLAN link transmission failure, the number It include at least one PDU according to packet, the SN of the data packet is for determining whether the WLAN link is abnormal；The transceiver 81, for including the SN for the data packet that the processor 80 determines to base station status report, in the state report； The memory 82, the code of the code of the SN for storing the data packet, the state report, and the control processing Device 80 completes the software program of the above process, so that the processor 80 is by executing the software program and calling the data The code of the code of the SN of packet and the state report completes the above process.

Optionally, the transceiver 81 is also used to be distributed to the failure of WLAN link transmission in the processor 80 determination Before the SN of data packet, the data packet that the base station is sent is received, includes the data packet in the packet header of the data packet SN.

The processor 80 determines the SN of the data packet specifically for the packet header according to the data packet.

Embodiment five

As shown in figure 26, the embodiment of the present invention provides a kind of communication system, may include appointing as described in Figure 12 to Figure 14 A kind of base station, any UE and AP as described in Figure 18 as described in Figure 15 to Figure 17；Alternatively, the embodiment of the present invention provides Communication system also may include base station as described in Figure 21, UE and AP as described in Figure 24 as described in Figure 22 or Figure 23.

Wherein, base station can obtain link and indicate extremely, and be indicated extremely according to the link, stop PDU to be transmitted It is distributed to cellular network link and WLAN link transmission, and PDU to be transmitted is sent to UE by cellular network link；UE energy It is enough to generate link when determining that WLAN link is abnormal and indicate extremely, and indicated extremely according to the link, stopping will be to be transmitted PDU be distributed to cellular network link and the WLAN link transmission, and sent to base station by cellular network link to be transmitted PDU；AP can monitoring frame loss rate, and when the packet loss be greater than or equal to preset packet loss threshold value when, generate link refer to extremely Show, and send the link to base station and indicate extremely, wherein it is different that link instruction extremely is used to indicate WLAN link generation Often, which is used to characterize the ratio of AP forwarding PDU failure.

Further, communication system provided in an embodiment of the present invention also may include any base described in Figure 12 to Figure 14 It stands, any UE as described in Figure 15 to Figure 17, and the AP as described in Figure 19 or Figure 20；Alternatively, the embodiment of the present invention provides Communication system also may include base station as described in Figure 21, UE and AP as described in Figure 25 as described in Figure 22 or Figure 23.

Wherein, base station can obtain link and indicate extremely, and be indicated extremely according to the link, stop PDU to be transmitted It is distributed to cellular network link and WLAN link transmission, and PDU to be transmitted is sent to UE by cellular network link；UE energy It is enough to generate link when determining that WLAN link is abnormal and indicate extremely, and indicated extremely according to the link, stopping will be to be transmitted PDU be distributed to cellular network link and the WLAN link transmission, and sent to base station by cellular network link to be transmitted PDU；In communication system provided in an embodiment of the present invention, AP can determine the data packet for being distributed to the failure of WLAN link transmission SN, and to base station status report, so that base station is abnormal according to the state report judging WLAN link, and generate chain Road indicates extremely, so that base station can stop PDU to be transmitted being distributed to the WLAN chain according to link instruction extremely Road transmission, and PDU to be transmitted is sent to UE by cellular network link, wherein the data packet includes at least one PDU, should The SN of data packet is for determining whether the WLAN link is abnormal, including the SN of the data packet in the state report.

It is understood that the base station in communication system provided in an embodiment of the present invention can be such as Figure 12 to Figure 14, or Any base station described in person Figure 21 is able to carry out WLAN link in any set MSA as described in Fig. 1, Fig. 8, Figure 10 or Figure 11 Abnormal processing method, the concrete function of each module or device in the base station and the process for executing method be referred to as Fig. 1, Description in embodiment shown in Fig. 8, Figure 10 or Figure 11, details are not described herein again.

UE in communication system provided in an embodiment of the present invention can be such as Figure 15 to Figure 17 or such as Figure 22 or Figure 23 institute Any UE stated is able to carry out the processing of WLAN link exception in any set MSA as described in Fig. 3, Fig. 8, Figure 10 or Figure 11 Method, the concrete function of each module or device in the UE and the process for executing method are referred to such as Fig. 1, Fig. 8, Figure 10 or figure Description in embodiment shown in 11, details are not described herein again.

In embodiments of the present invention, the AP in communication system as shown in figure 26 can be as described in Figure 18 or Figure 24 AP is able to carry out the processing method of WLAN link exception in MSA described in Fig. 4 or Fig. 8, the tool of each module or device in the AP Body function and the process for executing method are referred to the description in correlation technique such as Fig. 4 or embodiment shown in Fig. 8, herein no longer It repeats.

Alternatively, the AP in communication system as shown in figure 26 be also possible to it is any as described in Figure 19, Figure 20 or Figure 25 AP is able to carry out the processing method of WLAN link exception in the MSA as described in Fig. 5, Fig. 6 or Figure 10, each module in the AP or The concrete function of device and the process for executing method are referred to such as the description in Fig. 5, Fig. 6 or embodiment shown in Fig. 10, this Place repeats no more.

Optionally, as shown in figure 34, communication system provided in an embodiment of the present invention can also include: such as Figure 12 to Figure 14 institute Any base station stated, any UE as described in Figure 15 to Figure 17, WT and AP as described in Figure 31；Alternatively, the present invention is real The communication system for applying example offer also may include base station as described in Figure 21, the UE as described in Figure 22 or Figure 23, as described in Figure 33 WT and AP.

Wherein, base station can obtain link and indicate extremely, and be indicated extremely according to the link, stop PDU to be transmitted It is distributed to cellular network link and WLAN link transmission, and PDU to be transmitted is sent to UE by cellular network link；UE energy It is enough to generate link when determining that WLAN link is abnormal and indicate extremely, and indicated extremely according to the link, stopping will be to be transmitted PDU be distributed to cellular network link and the WLAN link transmission, and sent to base station by cellular network link to be transmitted PDU；WT can obtain the metrical information of WLAN link, if the metrical information meets preset abnormal Rule of judgment, generate chain Road indicates extremely, and sends the link to base station and indicate extremely.

Further, communication system provided in an embodiment of the present invention can also include: any as described in Figure 12 to Figure 14 Kind base station, the UE as described in Figure 29 or 30, WT and AP as described in Figure 31；Alternatively, communication system provided in an embodiment of the present invention System can also include: any base station as described in Figure 12 to Figure 14, UE as described in Figure 32, WT as described in Figure 33, and AP。

Wherein, base station can obtain link and indicate extremely, and be indicated extremely according to the link, stop PDU to be transmitted It is distributed to cellular network link and WLAN link transmission, and PDU to be transmitted is sent to UE by cellular network link；UE connects The link unexpected message that base station is sent is received, and is indicated extremely according to the link carried in the link unexpected message, stopping will be to be passed Defeated PDU is distributed to cellular network link and the WLAN link transmission, and to be transmitted to base station transmission by cellular network link PDU；WT can obtain the metrical information of WLAN link, if the metrical information meets preset abnormal Rule of judgment, generate Link indicates extremely, and sends the link to base station and indicate extremely.

It can be in the UE in communication system as shown in figure 34 such as Figure 15 to Figure 17 or as described in Figure 22 or Figure 23 Any UE is able to carry out the processing method of WLAN link exception in any set MSA as described in Fig. 3, Fig. 8, Figure 10 or Figure 11, The concrete function of each module or device in the UE and the process for executing method are referred to such as Fig. 1, Fig. 8, Figure 10 or Figure 11 institute The description in embodiment shown, details are not described herein again.

Alternatively, UE is also possible to any UE as described in the examples as shown in Figure 29, Figure 30 or Figure 32, can hold Row as shown in figure 27 in MSA as described in the examples WLAN link exception processing method, each module or device in the UE Concrete function and the process for executing method are referred to the description in embodiment as shown in figure 27, and details are not described herein again.

It can be the WT as described in the examples as shown in Figure 31 or Figure 33 in the WT in communication system as shown in figure 34, Be able to carry out the processing method of WLAN link exception in MSA as described in the examples as shown in figure 28, each module in the WT or The concrete function of device and the process for executing method are referred to the description in embodiment as shown in figure 28, no longer superfluous herein It states.

The system provided through the embodiment of the present invention, in DL, base station can obtain link and indicate extremely, and according to the chain Road exception indicates to determine that the WLAN link is abnormal, so that base station can indicate that stopping will be to be transmitted according to the link extremely PDU is distributed to the WLAN link transmission, and sends PDU to be transmitted to UE by cellular network link, to be transmitted to guarantee PDU can normal transmission, and then avoid base station continue PDU to be transmitted is distributed to the WLAN link transmission being abnormal, Lead to the PDU transmission failure for being distributed to the WLAN link transmission；In UL, UE can determine that WLAN link is abnormal, and It generates link to indicate extremely, or receives the link unexpected message that base station is sent, it is different that link is obtained from the link unexpected message Often instruction so that UE can stop PDU to be transmitted being distributed to the WLAN link transmission according to link instruction extremely, and is led to Cross cellular network link and send PDU to be transmitted to base station, with guarantee PDU to be transmitted can normal transmission, and then avoid UE continues for PDU to be transmitted to be distributed to the WLAN link transmission being abnormal, and causes to be distributed to the WLAN link transmission PDU transmission failure.

It is apparent to those skilled in the art that for convenience and simplicity of description, only with above-mentioned each function The division progress of module can according to need and for example, in practical application by above-mentioned function distribution by different function moulds Block is completed, i.e., the internal structure of device is divided into different functional modules, to complete all or part of function described above Energy.The specific work process of the system, apparatus, and unit of foregoing description, can be with reference to corresponding in preceding method embodiment Journey, details are not described herein.

In several embodiments provided herein, it should be understood that disclosed system, device and method can be with It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the module or The division of unit, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units Or component can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, institute Display or the mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, device or unit Indirect coupling or communication connection can be electrical property, mechanical or other forms.

The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme 's.

It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list Member both can take the form of hardware realization, can also realize in the form of software functional units.

If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words It embodies, which is stored in a storage medium, including some instructions are used so that a computer Equipment (can be personal computer, server or the network equipment etc.) or processor execute described in each embodiment of the present invention The all or part of the steps of method.And storage medium above-mentioned include: USB flash disk, mobile hard disk, read-only memory (full name in English: Read-Only Memory, english abbreviation: ROM), random access memory (full name in English: Random Access Memory, English abbreviation: RAM), the various media that can store program code such as magnetic or disk.

The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain Lid is within protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. the processing method of WLAN WLAN link exception in a kind of multithread convergence MSA characterized by comprising

The base station indicates extremely according to the link, stops protocol Data Unit PDU to be transmitted being distributed to cellular network Link and the WLAN link transmission, and the PDU to be transmitted is sent to user equipment (UE) by the cellular network link.

2. being indicated extremely the method according to claim 1, wherein the base station obtains link, comprising:

3. according to the method described in claim 2, it is characterized in that, the base station determines the side that the WLAN link is abnormal Method includes:

If the re-transmission PDU for being distributed to the WLAN link transmission meets preset condition, the base station determines the WLAN Link is abnormal,

There is number of retransmissions to be greater than or equal to preset first threshold value in the re-transmission PDU for being distributed to the WLAN link transmission PDU, alternatively, the quantity of the re-transmission PDU for being distributed to the WLAN link transmission and being distributed to the WLAN link transmission PDU total quantity ratio be greater than or equal to preset second threshold value.

4. according to the method described in claim 3, it is characterized in that, the base station determine at least one retransmit PDU in be distributed to Before the re-transmission PDU of the WLAN link transmission, the method also includes:

The base station obtains the mark of at least one re-transmission PDU；

The base station is according to the mark of at least one re-transmission PDU with the PDU's for being distributed to the WLAN link transmission It identifies, the re-transmission PDU of the WLAN link transmission is distributed to described in determination.

5. according to the method described in claim 4, it is characterized in that, it is described at least one retransmit PDU be identified as it is described at least The sequence number SN of one re-transmission PDU,

The base station receives the first state report that the UE is sent, and includes at least one described weight in the first state report Pass the SN of PDU；

6. according to the method described in claim 4, it is characterized in that, at least one described being identified as PDU of re-transmission is distributed to institute The SN of the data packet of WLAN link transmission failure is stated, the data packet includes at least one re-transmission PDU,

The base station receives the second state report that access point AP is sent, and includes the data packet in second state report SN；

The base station obtains the SN of the data packet from second state report.

7. according to the method described in claim 2, it is characterized in that, the base station determines the side that the WLAN link is abnormal Method includes:

If the metrical information meets preset abnormal Rule of judgment, the base station determines that the WLAN link is abnormal.

8. being indicated extremely the method according to claim 1, wherein the base station obtains link, comprising:

The base station receives the link unexpected message that WLAN terminal WT is sent, in the link unexpected message described in carrying Link indicates extremely.

9. being indicated extremely the method according to claim 1, wherein the base station obtains link, comprising:

The base station receives the link unexpected message that the UE is sent, and carries the link in the link unexpected message and refers to extremely Show.

10. being indicated extremely the method according to claim 1, wherein the base station obtains link, comprising:

The base station receives the link unexpected message that AP is sent, and the link is carried in the link unexpected message and is indicated extremely.

11. -10 described in any item methods according to claim 1, which is characterized in that the PDU to be transmitted includes having divided It is dealt into the PDU that the UE is not transferred in the cellular network link and the PDU of the WLAN link transmission,

The base station is requested to the UE status report, and the state report request is described not for requesting the UE feedback It is transmitted to the PDU of the UE；

The base station receives the condition report feedback that the UE is sent, and the condition report feedback is used to indicate described be not transferred to The PDU of the UE；

The base station is not transferred to according to the condition report feedback, by the cellular network link to described in UE transmission The PDU of the UE.

12. -10 described in any item methods according to claim 1, which is characterized in that the method also includes:

13. the processing method of WLAN WLAN link exception in a kind of multithread convergence MSA characterized by comprising

When user equipment (UE) determines that WLAN link is abnormal, the UE generates link and indicates extremely, and the link refers to extremely Show that being used to indicate the WLAN link is abnormal；

The UE is indicated extremely according to the link, stops protocol Data Unit PDU to be transmitted being distributed to cellular network chain Road and the WLAN link transmission, and the PDU to be transmitted is sent to base station by the cellular network link.

14. according to the method for claim 13, which is characterized in that the method also includes:

The UE sends the link to the base station and indicates extremely, described in link instruction extremely is determined for the base station WLAN link is abnormal.

15. method described in 3 or 14 according to claim 1, which is characterized in that the UE determines the side that WLAN link is abnormal Method includes:

If the re-transmission PDU for being distributed to the WLAN link transmission meets preset condition, the UE determines the WLAN chain Road is abnormal,

16. according to the method for claim 15, which is characterized in that the UE determines that at least one is retransmitted and is distributed in PDU Before the re-transmission PDU of the WLAN link transmission, the method also includes:

The UE obtains the SN of at least one re-transmission PDU；

The SN of the UE SN and the PDU for being distributed to the WLAN link transmission of at least one re-transmission PDU according to, really The fixed re-transmission PDU for being distributed to the WLAN link transmission.

17. method described in 3 or 14 according to claim 1, which is characterized in that the UE determines the side that WLAN link is abnormal Method includes:

The UE obtains the metrical information of the WLAN link, and the metrical information is for determining whether the WLAN link occurs It is abnormal；

If the metrical information meets preset abnormal Rule of judgment, the UE determines that the WLAN link is abnormal.

18. method described in 3 or 14 according to claim 1, which is characterized in that the PDU to be transmitted includes being distributed to The PDU of the base station is not transferred in the cellular network link and the PDU of the WLAN link transmission,

The UE is requested to the base station status report, and the state report request is for requesting described in the base station feedback It is not transferred to the PDU of the base station；

The UE receives the condition report feedback that the base station is sent, and the condition report feedback is used to indicate described be not transferred to The PDU of the base station；

The UE is not transferred to according to the condition report feedback, by the cellular network link to described in the transmission of the base station The PDU of the base station.

19. the processing method of WLAN WLAN link exception in a kind of multithread convergence MSA characterized by comprising

User equipment (UE) receives the link unexpected message that base station is sent, and carries the link in the link unexpected message and refers to extremely Show, link instruction extremely is used to indicate WLAN link and is abnormal；

20. according to the method for claim 19, which is characterized in that the UE receive link unexpected message that base station is sent it Before, the method also includes:

21. method described in 9 or 20 according to claim 1, which is characterized in that the PDU to be transmitted includes being distributed to The PDU of the base station is not transferred in the cellular network link and the PDU of the WLAN link transmission,

22. the processing method of WLAN WLAN link exception in a kind of multithread convergence MSA characterized by comprising

WLAN terminal WT obtains the metrical information of the WLAN link, and the metrical information is for determining the WLAN chain Whether road is abnormal；

If the metrical information meets preset abnormal Rule of judgment, the WT generates link and indicates extremely, and the link is different Often instruction is used to indicate the WLAN link and is abnormal；

The WT sends the link to base station and indicates extremely.

23. according to the method for claim 22, which is characterized in that the WT sends the link to base station and indicates extremely, Include:

The WT carries the link and indicates extremely to the base station transmission link unexpected message in the link unexpected message.

24. the processing method of WLAN WLAN link exception in a kind of multithread convergence MSA characterized by comprising

Access point AP monitoring frame loss rate, the packet loss are used to characterize the ratio of the AP retransmission protocol data cell PDU failure；

When the packet loss is greater than or equal to preset packet loss threshold value, the AP generates link and indicates extremely, the link Abnormal instruction is used to indicate the WLAN link and is abnormal；

The AP sends the link to base station and indicates extremely.

25. according to the method for claim 24, which is characterized in that the AP sends the link to base station and indicates extremely, Include:

The AP carries the link and indicates extremely to the base station transmission link unexpected message in the link unexpected message.

26. the processing method of WLAN WLAN link exception in a kind of multithread convergence MSA characterized by comprising

Access point AP determines the sequence number SN for being distributed to the data packet of WLAN link transmission failure, and the data packet includes at least one A protocol Data Unit PDU, the SN of the data packet is for determining whether the WLAN link is abnormal；

27. according to the method for claim 26, which is characterized in that the AP, which is determined, is distributed to the failure of WLAN link transmission Before the SN of data packet, the method also includes:

The AP receives the data packet that the base station is sent, and includes the SN of the data packet in the packet header of the data packet；

28. a kind of base station characterized by comprising

Acquiring unit indicates that link instruction extremely is used to indicate WLAN link and is abnormal for obtaining link extremely；

Transmission unit, the link for being obtained according to the acquiring unit indicates extremely, stops agreement number to be transmitted It is distributed to cellular network link and the WLAN link transmission according to unit PDU, and is set by the cellular network link to user Standby UE sends the PDU to be transmitted.

29. base station according to claim 28, which is characterized in that

The acquiring unit indicates extremely specifically for when determining that the WLAN link is abnormal, generating the link.

30. base station according to claim 29, which is characterized in that

The acquiring unit is distributed to the re-transmission of the WLAN link transmission specifically for determining at least one re-transmission PDU PDU, if the re-transmission PDU for being distributed to the WLAN link transmission meets preset condition, it is determined that the WLAN link occurs It is abnormal,

31. base station according to claim 30, which is characterized in that

The transmission unit, be also used to the acquiring unit determine at least one retransmit PDU in be distributed to the WLAN link Before the re-transmission PDU of transmission, the PDU to be transmitted is distributed to the cellular network link and the WLAN link transmission；

The base station further includes recording unit,

The acquiring unit, specifically for according to the mark of at least one re-transmission PDU and the institute of the recording unit records The mark for being distributed to the PDU of the WLAN link transmission is stated, the re-transmission PDU of the WLAN link transmission is distributed to described in determination.

32. base station according to claim 31, which is characterized in that at least one described re-transmission that the acquiring unit obtains The sequence number SN for being identified as at least one re-transmission PDU of PDU,

The acquiring unit, the first state report sent specifically for receiving the UE, and from first state report Obtain it is described at least one retransmit the SN of PDU, include in the first state report it is described at least one retransmit the SN of PDU.

33. base station according to claim 31, which is characterized in that at least one described re-transmission that the acquiring unit obtains Being identified as of PDU is distributed to the SN of the data packet of the WLAN link transmission failure, the data packet include it is described at least one PDU is retransmitted,

The acquiring unit, the second state report sent specifically for receiving access point AP, and from second state report The middle SN for obtaining the data packet includes the SN of the data packet in second state report.

34. base station according to claim 29, which is characterized in that

The acquiring unit is specifically used for receiving measurement report, and the measurement report includes the metrical information of the WLAN link, If the metrical information meets preset abnormal Rule of judgment, it is determined that the WLAN link is abnormal.

35. base station according to claim 28, which is characterized in that

The acquiring unit, the link unexpected message sent specifically for receiving WLAN terminal WT, the link are abnormal The link is carried in message to indicate extremely.

36. base station according to claim 28, which is characterized in that

The acquiring unit carries in the link unexpected message specifically for receiving the link unexpected message of the UE transmission The link indicates extremely.

37. base station according to claim 28, which is characterized in that

The acquiring unit, specifically for receiving the link unexpected message of AP transmission, in the link unexpected message described in carrying Link indicates extremely.

38. according to the described in any item base stations claim 28-37, which is characterized in that the PDU to be transmitted includes having divided It is dealt into the PDU that the UE is not transferred in the PDU of the cellular network link and the WLAN link,

The transmission unit is specifically used for requesting to the UE status report, and receives the feedback states that the UE is sent Report, and according to the condition report feedback, institute is not transferred to described in UE transmission by the cellular network link The PDU of UE is stated, the state report request is used for the PDU for requesting to be not transferred to the UE described in the UE feedback, the feedback State report is used to indicate the PDU for being not transferred to the UE.

39. according to the described in any item base stations claim 28-37, which is characterized in that the base station further includes control unit,

Described control unit, the link for being obtained according to the acquiring unit indicate extremely, control the UE and rebuild WLAN link.

40. a kind of user equipment (UE) characterized by comprising

Generation unit indicates that the link is different for when determination unit determines that WLAN link is abnormal, generating link extremely Often instruction is used to indicate the WLAN link and is abnormal；

Transmission unit, the link for being generated according to the generation unit indicates extremely, stops agreement number to be transmitted It is distributed to cellular network link and the WLAN link transmission according to unit PDU, and is sent out by the cellular network link to base station Send the PDU to be transmitted.

41. UE according to claim 40, which is characterized in that the UE further includes transmission unit,

The transmission unit indicates, the chain extremely for sending the link that the generation unit generates to the base station Road instruction extremely determines that the WLAN link is abnormal for the base station.

42. the UE according to claim 40 or 41, which is characterized in that

The determination unit, for determining the re-transmission PDU for being distributed to the WLAN link transmission at least one re-transmission PDU, if The re-transmission PDU for being distributed to the WLAN link transmission meets preset condition, it is determined that and the WLAN link is abnormal,

43. UE according to claim 42, which is characterized in that

The transmission unit, be also used to the determination unit determine at least one retransmit PDU in be distributed to the WLAN link Before the re-transmission PDU of transmission, the PDU to be transmitted is distributed to the cellular network link and the WLAN link transmission；

The UE further includes recording unit and acquiring unit,

The recording unit, the sequence number SN for being distributed to the PDU of the WLAN link transmission for recording the transmission unit；

The acquiring unit, for obtaining the SN of at least one re-transmission PDU；

The determination unit, specifically for according to the acquiring unit obtain described at least one retransmit the SN of PDU and described It is distributed to the SN of the PDU of the WLAN link transmission described in recording unit records, is distributed to the WLAN link described in determination The re-transmission PDU of transmission.

44. the UE according to claim 40 or 41, which is characterized in that

The determination unit, specifically for obtaining the metrical information of the WLAN link, if the metrical information meet it is preset Abnormal Rule of judgment, the UE then determine that the WLAN link is abnormal, and the metrical information is for determining the WLAN chain Whether road is abnormal.

45. the UE according to claim 40 or 41, which is characterized in that the PDU to be transmitted includes being distributed to institute The PDU that the base station is not transferred in cellular network link and the PDU of the WLAN link transmission is stated,

The transmission unit is specifically used for requesting to the base station status report, and receives the feedback that the base station is sent State report, and according to the condition report feedback, do not passed by the cellular network link to base station transmission is described The PDU of the base station is transported to, the state report request is for requesting to be not transferred to the base station described in the base station feedback PDU, the condition report feedback are used to indicate the PDU for being not transferred to the base station.

46. a kind of user equipment (UE) characterized by comprising

It is different to carry the link for receiving the link unexpected message of base station transmission, in the link unexpected message for receiving unit Often instruction, link instruction extremely are used to indicate WLAN link and are abnormal；

Transmission unit stops for being indicated extremely according to the received link of the receiving unit by protocol data list to be transmitted First PDU is distributed to cellular network link and the WLAN link transmission, and sends institute to base station by the cellular network link State PDU to be transmitted.

47. UE according to claim 46, which is characterized in that the UE further includes acquiring unit and transmission unit,

The acquiring unit, for the receiving unit receive base station send link unexpected message before, described in acquisition The metrical information of WLAN link, the metrical information is for determining whether the WLAN link is abnormal；

The transmission unit, for sending measurement report to the base station, the measurement report includes the survey of the WLAN link Measure information.

48. the UE according to claim 46 or 47, which is characterized in that the PDU to be transmitted includes being distributed to institute The PDU that the base station is not transferred in cellular network link and the PDU of the WLAN link transmission is stated,

49. a kind of WLAN terminal WT characterized by comprising

Acquiring unit, for obtaining the metrical information of WLAN link, whether the metrical information is for determining the WLAN link It is abnormal；

Generation unit is given birth to if meeting preset abnormal Rule of judgment for the metrical information that the acquiring unit obtains It is indicated extremely at link, link instruction extremely is used to indicate the WLAN link and is abnormal；

Transmission unit indicates extremely for sending the link to base station.

50. WT according to claim 49, which is characterized in that

The transmission unit is specifically used for carrying institute in the link unexpected message to the base station transmission link unexpected message Link is stated to indicate extremely.

51. a kind of access point AP characterized by comprising

Monitoring unit, is used for monitoring frame loss rate, and the packet loss is used to characterize the AP retransmission protocol data cell PDU failure Ratio；

Generation unit, when the packet loss for monitoring when the monitoring unit is greater than or equal to preset packet loss threshold value, It generates link to indicate extremely, link instruction extremely is used to indicate WLAN link and is abnormal；

52. AP according to claim 51, which is characterized in that

The transmission unit is specifically used for carrying institute in the link unexpected message to the base station transmission link unexpected message The link for stating generation unit generation indicates extremely.

53. a kind of access point AP characterized by comprising

Determination unit, for determining the sequence number SN for being distributed to the data packet of WLAN link transmission failure, the data packet includes At least one protocol Data Unit PDU, the SN of the data packet is for determining whether the WLAN link is abnormal；

Transmission unit, for include to base station status report, in the state report determination unit determine it is described The SN of data packet.

54. AP according to claim 53, which is characterized in that the AP further includes receiving unit,

The receiving unit, for the determination unit determine be distributed to WLAN link transmission failure data packet SN it Before, the data packet that the base station is sent is received, includes the SN of the data packet in the packet header of the data packet；

55. a kind of communication system characterized by comprising

Such as the described in any item base stations claim 28-39, such as the described in any item user equipment (UE)s of claim 40-45, with And the access point AP as described in claim 51 or 52；Alternatively,

Such as the described in any item base stations claim 28-39, such as the described in any item UE of claim 40-45, and such as right It is required that AP described in 53 or 54；Alternatively,

Such as the described in any item base stations claim 28-39, such as the described in any item UE of claim 40-45, and such as right It is required that WLAN terminal WT described in 49 or 50；Alternatively,

Such as the described in any item base stations claim 28-39, such as the described in any item UE of claim 46-48, and such as right It is required that WT described in 49 or 50.