CN106559820A - A kind of link monitoring method and device - Google Patents
A kind of link monitoring method and device Download PDFInfo
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- CN106559820A CN106559820A CN201510618548.7A CN201510618548A CN106559820A CN 106559820 A CN106559820 A CN 106559820A CN 201510618548 A CN201510618548 A CN 201510618548A CN 106559820 A CN106559820 A CN 106559820A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The invention discloses a kind of link monitoring method and device, to realize Long Term Evolution WLAN aggregation transfer Link State is monitored in the case of Long Term Evolution WLAN aggregation transfer, the problems such as such that it is able to find and solve Long Term Evolution WLAN aggregation transfer link congestion as early as possible, the further decline of Long Term Evolution WLAN aggregation transfer link performance is avoided, Long Term Evolution WLAN aggregation transfer link transmission quality is improved.A kind of link monitoring method that the present invention is provided, including：Base station determines to be needed to send detection bag to user equipment by WLAN；Wherein, whether the detection bag is normal for detecting the link communicated between WLAN and the user equipment described in the base station Jing；The base station sends detection bag to the user equipment by the WLAN.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of link monitoring method and device.
Background technology
With the growth and the development of the communication technology of user's request, occur in that more and more wireless communication technologys and
Network of relation, for example, can provide the 2G/3G/4G mobile communication technologies and network of wide covering, and can be with
WLAN (Wireless LAN, the WLAN) network that focus is covered is provided.Therefore, also measure greatly
The scene that different communication networks coexist, the scene that for example 2G/3G/4G networks and WLAN coexist are showed.
Third generation collaborative project (3rd Generation Partnership Project, 3GPP) develops new solution party
Case, i.e. Long Term Evolution (Long Term Evolution, LTE) WLAN aggregation transfers (LTE WLAN
Aggregation, hereinafter referred to as LWA) technology, the technology can realize data in LTE and WLAN sides
Aggregation transfer, while based on Paket Data Convergence Protocol (Packet Data Convergence Protocol,
PDCP shunt paths are packet-by-packet flexibly selected), user equipment (User Equipment, UE) biography is improved
Defeated speed and Consumer's Experience.
But, in the case of Long Term Evolution WLAN aggregation transfer is not given in prior art, how
The scheme is monitored by Long Term Evolution WLAN aggregation transfer Link State, consequently, it is possible to causing long-term
Evolution WLAN aggregation transfer link transmission quality declines.
The content of the invention
A kind of link monitoring method and device is embodiments provided, it is wireless in Long Term Evolution to realize
Long Term Evolution WLAN aggregation transfer Link State is monitored in the case of LAN aggregation transmission, such that it is able to
The problems such as finding and solve Long Term Evolution WLAN aggregation transfer link congestion as early as possible, it is to avoid Long Term Evolution
The further decline of WLAN aggregation transfer link performance, improves the polymerization of Long Term Evolution WLAN and passes
Transmission link transmission quality.
A kind of link monitoring method provided in an embodiment of the present invention, including：
Base station determines to be needed to send detection bag to user equipment by WLAN；Wherein, the detection bag
For whether just to detect the link communicated between WLAN and the user equipment described in the base station Jing
Often；
The base station sends detection bag to the user equipment by the WLAN.
With it, base station determines to need to send detection bag to user equipment by WLAN；Wherein,
The detection bag is used to detect what is communicated between WLAN and the user equipment described in the base station Jing
Whether link is normal；The base station sends detection bag to the user equipment by the WLAN, from
And realize the monitoring Long Term Evolution WLAN in the case of Long Term Evolution WLAN aggregation transfer and gather
Transmission link state is closed, Long Term Evolution WLAN aggregation transfer link congestion can be found and solve as early as possible
The problems such as, it is to avoid the further decline of Long Term Evolution WLAN aggregation transfer link performance, improves long-term
Evolution WLAN aggregation transfer link transmission quality.
It is preferred that the detection bag is：Content is empty Paket Data Convergence Protocol packet or special
Paket Data Convergence Protocol control bag, or special adaptation layer control bag.
It is preferred that the base station determines to need to send detection bag to user equipment by WLAN, specifically
Including：
Whether the base station monitors are reached to the cycle that user equipment sends detection bag by WLAN, if
Reach, it is determined that need to send detection bag to user equipment by WLAN.
It is preferred that it is described detection bag in carry for characterize this detection wrap order of transmission sequence number.
It is preferred that the link is Long Term Evolution WLAN LTE WLAN aggregation transfer links.
Another kind of link monitoring method provided in an embodiment of the present invention, including：
User equipment monitors the detection bag that base station is sent by WLAN；Wherein, the detection bag is used for
The link communicated between WLAN and the user equipment described in the base station Jing is detected whether normal；
If the user equipment does not receive detection bag, and when meeting pre-conditioned, determines the link exception.
It is preferred that the user equipment monitors the detection bag that base station is sent by WLAN, it is concrete to wrap
Include：The user equipment monitors the detection that base station is sent by WLAN according to default listening period
Bag；
If the user equipment does not receive detection bag, and when meeting pre-conditioned, determines the link exception,
Specifically include：If in the listening period, the user equipment is not received base station and is sent out by WLAN
The detection bag for sending, it is determined that the link exception.
It is preferred that it is described detection bag in carry for characterize this detection wrap order of transmission sequence number；
If the user equipment does not receive detection bag, and when meeting pre-conditioned, determines the link exception,
Specifically include：The user equipment passes through to detect the sequence number in bag, when it is determined that continuous N number of detection Bao Weishou
Arrive, and N be more than predetermined threshold value when, determine the link exception.
It is preferred that the detection bag is：Content is empty Paket Data Convergence Protocol packet or special
Paket Data Convergence Protocol control bag, or special adaptation layer control bag.
It is preferred that the method also includes：
The user equipment reports the abnormal report of the link to network side.
It is preferred that the link is Long Term Evolution WLAN LTE WLAN aggregation transfer links.
A kind of link monitoring device provided in an embodiment of the present invention, including：
Determining unit, needs to send detection bag to user equipment by WLAN for determining；Wherein,
The detection bag is used to detect what is communicated between WLAN and the user equipment described in the base station Jing
Whether link is normal；
Transmitting element, for sending detection bag to the user equipment by the WLAN.
It is preferred that the detection bag is：Content is empty Paket Data Convergence Protocol packet or special
Paket Data Convergence Protocol control bag, or special adaptation layer control bag.
It is preferred that the determining unit specifically for：Monitoring is sent to user equipment by WLAN and is visited
Whether the cycle for surveying bag reaches, if reaching, it is determined that needs to send to user equipment by WLAN and visits
Survey bag.
It is preferred that it is described detection bag in carry for characterize this detection wrap order of transmission sequence number.
It is preferred that the link is Long Term Evolution WLAN LTE WLAN aggregation transfer links.
Another kind of link monitoring device provided in an embodiment of the present invention, including：
Monitoring unit, for monitoring the detection bag that base station is sent by WLAN；Wherein, the detection
Wrap for whether detecting the link communicated between WLAN and the user equipment described in the base station Jing
Normally；
Link exception determining unit, if for not receiving detection bag, and when meeting pre-conditioned, determine institute
State link exception.
It is preferred that the monitoring unit specifically for：According to default listening period, monitor base station and pass through nothing
The detection bag that line LAN sends；
Link exception determining unit specifically for：If in the listening period, not receiving base station and passing through
The detection bag that WLAN sends, it is determined that the link exception.
It is preferred that it is described detection bag in carry for characterize this detection wrap order of transmission sequence number；
Link exception determining unit specifically for：By detecting the sequence number in bag, when it is determined that continuous N
Individual detection Bao Wei is received, and N be more than predetermined threshold value when, determine the link exception.
It is preferred that the detection bag is：Content is empty Paket Data Convergence Protocol packet or special
Paket Data Convergence Protocol control bag, or special adaptation layer control bag.
It is preferred that the link exception determining unit is additionally operable to：The abnormal report of the link is reported to network side
Accuse.
It is preferred that the link is Long Term Evolution WLAN LTE WLAN aggregation transfer links.
Description of the drawings
Fig. 1 is LTE network provided in an embodiment of the present invention and WLAN co-existin networks configuration diagrams；
Fig. 2 is the carrying point in the case of Long Term Evolution WLAN aggregation transfer provided in an embodiment of the present invention
From configuration diagram；
Fig. 3 is the carrying point in the case of Long Term Evolution WLAN aggregation transfer provided in an embodiment of the present invention
Stream architecture schematic diagram；
Fig. 4 is the adaptation layer in the case of Long Term Evolution WLAN aggregation transfer provided in an embodiment of the present invention
Configuration diagram；
Fig. 5 is a kind of schematic flow sheet of link monitoring method of base station side provided in an embodiment of the present invention；
Fig. 6 is a kind of schematic flow sheet of link monitoring method of UE sides provided in an embodiment of the present invention；
Fig. 7 is the schematic flow sheet of another kind of link monitoring method of UE sides provided in an embodiment of the present invention；
Fig. 8 is the schematic flow sheet of the third link monitoring method of UE sides provided in an embodiment of the present invention；
Fig. 9 is a kind of structural representation of detection bag provided in an embodiment of the present invention；
Figure 10 is a kind of structural representation of detection bag provided in an embodiment of the present invention；
Figure 11 is a kind of structural representation of detection bag provided in an embodiment of the present invention；
Figure 12 is a kind of structural representation of link monitoring device of base station side provided in an embodiment of the present invention；
Figure 13 is a kind of structural representation of link monitoring device of UE sides provided in an embodiment of the present invention；
Figure 14 is the structural representation of another kind of link monitoring device of base station side provided in an embodiment of the present invention；
Figure 15 is the structural representation of another kind of link monitoring device of UE sides provided in an embodiment of the present invention.
Specific embodiment
A kind of link monitoring method and device is embodiments provided, it is wireless in Long Term Evolution to realize
Long Term Evolution WLAN aggregation transfer Link State is monitored in the case of LAN aggregation transmission, such that it is able to
The problems such as finding and solve Long Term Evolution WLAN aggregation transfer link congestion as early as possible, it is to avoid Long Term Evolution
The further decline of WLAN aggregation transfer link performance, improves the polymerization of Long Term Evolution WLAN and passes
Transmission link transmission quality.
Technical scheme provided in an embodiment of the present invention, it is adaptable to what UMTS/LTE and wlan network coexisted
Scene：
Grouping system (Evolved Packet System, the EPS) system of evolution is one and supports various accesses
Ambulant system between technology and various accesses.Under multiple access scene, terminal is likely to be at multiple 3GPP
(3rd Generation Partnership Project, third generation partner program) and/or non-3 GPP access
Under the collectively covering of network.These access networks may use different access technologies, may belong to different
Operator, it is also possible to which the access of different core network is provided to.UMTS/LTE and wlan network Coexisting Field
Scape is as shown in figure 1, in the base station (the Node B in UMTS, the eNB in LTE) of UMTS/LTE
In coverage, there is the access point (Access Point, AP) of multiple WLAN.The covering of access point
Scope is smaller with respect to for base station.
It is as follows with regard to Long Term Evolution WLAN aggregation transfer technology introduction：
Framework one：Carry and separate
Referring to Fig. 2, connections of the UE on base station (Master eNB) can have independent carrying.UE exists
The connection of AP is that a part of data distribution that the same EPS on base station is carried is transmitted on AP, should
EPS carries PDCP entities still in base station, and is have independent WLAN layers 2 real on WLAN AP
Body, including medium education (Media Access Control, the MAC) layer and physics of WLAN
(PHYsical, PHY) layer.
Framework two：Carry shunting
Referring to Fig. 3, connections of the UE on base station (Master eNB) can have independent carrying.UE exists
The connection of AP is that the total data that the same EPS on base station is carried is diverted on AP to transmit, the EPS
Carrying can have (can also not have) that PDCP entities are in base station, and have independent on WLAN AP
2 entity of WLAN layers, including the MAC layer and PHY layer of WLAN.
It is described below with regard to Long Term Evolution WLAN aggregation transfer adaptation layer:
In order to support the differentiation of the corresponding PDCP entities of the PDCP bags transmitted through WLAN in UE sides
Problem, introduces Long Term Evolution WLAN aggregation transfer adaptation layer.Mark including at least carrying in its header
Know (Bearer ID) information.Long Term Evolution WLAN after adding adaptation layer under both the above framework gathers
A kind of unified Organization Chart of transmission is closed as shown in figure 4, wherein WLAN destination nodes (WLAN
Termination, WT) be WLAN sides for the logic function destination node of 3GPP networks, can be AP
Can also realize on access controller (Access Controlor, AC).
The embodiment of the present invention finds that the link monitoring method of existing WLAN is more single, is mainly based upon
UE is for beacon frame (Beacon Frame) and its detection of signal strength signal intensity of WLAN, and is dependent on UE more
Self-actualization, lacks unified standard, therefore cannot ensure conforming performance, otherwise needs modification existing
WLAN chips.Importantly, existing method can only partial reaction WLAN eat dishes without rice or wine link condition, no
The situation of AP channel congestions can be monitored, can not monitor from base station Jing WLAN to UE it is complete (end to
End) link circuit condition, and the latter, for the data transmission quality ability of Long Term Evolution WLAN aggregation transfer
It is the most key.
Therefore, embodiment of the present invention technical scheme is mainly by the transmission detection bag in base station side periodically (T1)
(Probe Packet), Jing WLAN are transmitted to UE side.If UE sides are not received by some cycles
Detection bag, then it is assumed that Long Term Evolution WLAN aggregation transfer link-quality has not reached performance requirement,
Initiate corresponding link failure report (Link Failure Report) process.
Wherein, UE sides cannot receive detection bag, it may be possible to the degradation because WLAN eats dishes without rice or wine, or
It is WLAN AP channel congestions, than if any a large amount of WLAN lateral terminals (STA) or a large number of services, or
Person is evolved base station (eNB) to caused by this section of wire link congestion of WLAN AP.Either because
Above-mentioned which kind of reason, all can bring to the performance of Long Term Evolution WLAN aggregation transfer and be severely influenced, all
Should be avoided or be taken immediate steps, otherwise will be poly- in Long Term Evolution WLAN to UE
The regular traffic closed under transmission brings baneful influence.
Referring to Fig. 5, a kind of link monitoring method provided in an embodiment of the present invention, including：
S101, base station determine to be needed to send detection bag to user equipment by WLAN；Wherein, it is described
Detection bag is used to detect the link communicated between WLAN and the user equipment described in the base station Jing
It is whether normal；
S102, the base station send detection bag to the user equipment by the WLAN.
It is preferred that the link is Long Term Evolution WLAN LTE WLAN aggregation transfer links.
With it, base station determines to need to send detection bag to user equipment by WLAN；Wherein,
The detection bag is used to detect what is communicated between WLAN and the user equipment described in the base station Jing
Whether link is normal；The base station sends detection bag to the user equipment by the WLAN, from
And realize the monitoring Long Term Evolution WLAN in the case of Long Term Evolution WLAN aggregation transfer and gather
Transmission link state is closed, Long Term Evolution WLAN aggregation transfer link congestion can be found and solve as early as possible
The problems such as, it is to avoid the further decline of Long Term Evolution WLAN aggregation transfer link performance, improves long-term
Evolution WLAN aggregation transfer link transmission quality.
It is preferred that the detection bag is：Content is empty Paket Data Convergence Protocol packet or special
Paket Data Convergence Protocol control bag, or special adaptation layer control bag.So that UE knows
Detection bag is not gone out.
It is preferred that the base station determines to need to send detection bag to user equipment by WLAN, specifically
Including：
Whether the base station monitors are reached to the cycle that user equipment sends detection bag by WLAN, if
Reach, it is determined that need to send detection bag to user equipment by WLAN.That is, base station can
Periodically to send detection bag to user equipment.
It is preferred that it is described detection bag in carry for characterize this detection wrap order of transmission sequence number.
That is, base station can also aperiodicity or periodically to user equipment send detection bag, by detect bag
The sequence number of middle carrying, indicates whether the detection bag that UE is received is continuous, if discontinuously, can enter one
Step determines continuous how many detections bag and is not received by.
Correspondingly, referring to Fig. 6, another kind of link monitoring method provided in an embodiment of the present invention, including：
S201, user equipment monitor the detection bag that base station is sent by WLAN；Wherein, the detection
Wrap for whether detecting the link communicated between WLAN and the user equipment described in the base station Jing
Normally；
If S202, the user equipment do not receive detection bag, and when meeting pre-conditioned, determine the chain
Road exception.
It is preferred that the user equipment monitors the detection bag that base station is sent by WLAN, it is concrete to wrap
Include：The user equipment monitors the detection that base station is sent by WLAN according to default listening period
Bag；The listening period can be identical or different with the cycle that base station side sends detection bag.
If the user equipment does not receive detection bag, and when meeting pre-conditioned, determines the link exception,
Specifically include：If in the listening period, the user equipment is not received base station and is sent out by WLAN
The detection bag for sending, it is determined that the link exception.If that is, UE be periodically received detection bag,
Then think that link is normal, otherwise it is assumed that link is abnormal.
Referring to Fig. 7, the link monitoring flow process of concrete UE sides includes：
Start timer T2, specific timing length can be decided according to the actual requirements, it is preferred that and base
The cycle phase that transmission detection of standing is wrapped is same；
Judge whether to receive detection bag, wherein, it is empty PDCP layer datas by identifying whether to receive content
Bag, or special PDCP layers control bag whether is received, or special adaptation layer control bag whether is received,
Can know whether to receive detection bag；If receiving, timer T2 is restarted；
Otherwise, judge whether timer T2 is overtime, if so, then illustrate spy is not received in listening period
Bag is surveyed, therefore to network side report link exception or link failure；Otherwise, continue to determine whether to receive detection
Bag.
Or, using another way：
It is described detection bag in carry for characterize this detection wrap order of transmission sequence number；
If the user equipment does not receive detection bag, and when meeting pre-conditioned, determines the link exception,
Specifically include：The user equipment passes through to detect the sequence number in bag, when it is determined that continuous N number of detection Bao Weishou
Arrive, and N be more than predetermined threshold value when, determine the link exception.Wherein, the threshold value can be according to reality
Depending on border needs, it is not construed as limiting in the embodiment of the present invention.UE can be then sentenced by detecting the sequence number in bag
Break and whether to continuously receive detection bag, if discontinuously, can determine whether out that how many detection bag does not have
Receive, when predetermined threshold value is reached, then it is assumed that link exception.
For the scene comprising detection packet number in detection bag, UE can also pass through monitoring data sequent number, really
The settled situation that continuous N number of packet loss occurs, that is, judge that link-quality has not reached performance requirement, initiate
Corresponding link failure report (Link Failure Report) process.Idiographic flow as shown in figure 8, including：
Detection bag is received, wherein, the detection bag can be special Long Term Evolution WLAN aggregation transfer
Adaptation layer control bag, or other kinds of detection bag；
With the presence or absence of sequence number in the detection bag that judgement is received, if it is not, then continuing to detection bag；
If it is, whether the sequence number PSN1 in judging the detection bag for receiving deducts PSN0 more than M,
If it is, the continuous N number of packet loss of explanation, and N has been above predetermined threshold value M, report link exception
Or link failure；Otherwise, PSN0=PSN1 is made, and continues to detection bag.Wherein, N and M are
Integer more than or equal to 0.The initial value of PSN0, the sequence number of the detection bag to be initially received.
It is preferred that the detection bag is：Content is empty Paket Data Convergence Protocol packet or special
Paket Data Convergence Protocol control bag, or special adaptation layer control bag.
It is preferred that the method also includes：
The user equipment reports the abnormal report of the link to network side (such as can be base station).Tool
How body reports, and reports which network side entity, and prior art, the embodiment of the present invention can be adopted not to make
Limit.
In one embodiment, detection bag is mainly realized in PDCP layers by base station that base station by length is arranged is
Zero PDCP packets are periodically sent to UE as detection bag.UE receives the PDCP that length is zero
Packet is then processed as detection bag.By taking the 12bit sequence numbers (SN) of the PDCP packets as an example, tool
Body length is the bag form of zero PDCP packets as shown in figure 9, wherein D represents that the bag is PDCP
Packet, R represent reserved bit, and Oct represents byte.
Detection bag can be multiplexed existing PDCP Deta bearers, and UE side joints are received after detection bag is processed to be lost
Abandon, do not give high-rise according to the process of general data bag.
In one embodiment, detection bag needs newly to define a kind of lattice mainly by base station in the realization of PDCP layers
The PDCP control bags of formula, base station is periodically sent to UE as detection bag.In the form of detection bag
The sequence number (PSN) of detection bag can be included.By taking 12bit PSN as an example, the concrete special PDCP controls
The bag form of system bag is as shown in Figure 10, wherein, C represents the bag for PDCP control bags, PDU Type tables
Show Packet Data Unit type.
In one embodiment, detection bag is mainly adapted to by the Long Term Evolution WLAN aggregation transfer of base station
Layer is realized, introduces new adaptation layer and control bag form.In order to support to transmit through WLAN in UE sides
PDCP bags Bearer ID differentiation problem, introduce LTE WLAN datas polymerization adaptation layer.Its
Bearer id informations are included at least in header, in this kind of realization, a kind of adaptation layer header format is newly defined,
For indicating detection bag (to distinguish common PDCP packets), base station is periodically sent to UE by bag is detected.
The sequence number PSN of detection bag can be included in adaptation layer header format.By taking 11bit PSN as an example, this is special
Adaptation layer control bag concrete bag form as shown in figure 11, wherein D/C fields are used as adaptation layer data bag
With detection bag distinguishing identifier.
Referring to Figure 12, in base station side, a kind of link monitoring device provided in an embodiment of the present invention, including：
Determining unit 11, needs to send detection bag to user equipment by WLAN for determining；Wherein,
The detection bag is used to detect what is communicated between WLAN and the user equipment described in the base station Jing
Whether link is normal；
Transmitting element 12, for sending detection bag to the user equipment by the WLAN.
It is preferred that the detection bag is：Content is empty Paket Data Convergence Protocol packet or special
Paket Data Convergence Protocol control bag, or special adaptation layer control bag.
It is preferred that the determining unit specifically for：Monitoring is sent to user equipment by WLAN and is visited
Whether the cycle for surveying bag reaches, if reaching, it is determined that needs to send to user equipment by WLAN and visits
Survey bag.
It is preferred that it is described detection bag in carry for characterize this detection wrap order of transmission sequence number.
It is preferred that the link is Long Term Evolution WLAN LTE WLAN aggregation transfer links.
Referring to Figure 13, in UE sides, another kind of link monitoring device provided in an embodiment of the present invention, including：
Monitoring unit 21, for monitoring the detection bag that base station is sent by WLAN；Wherein, the spy
Surveying bag for detecting the link communicated between WLAN and the user equipment described in the base station Jing is
It is no normal；
Link exception determining unit 22, if for not receiving detection bag, and when meeting pre-conditioned, it is determined that
The link exception.
It is preferred that the monitoring unit specifically for：According to default listening period, monitor base station and pass through nothing
The detection bag that line LAN sends；
Link exception determining unit specifically for：If in the listening period, not receiving base station and passing through
The detection bag that WLAN sends, it is determined that the link exception.
It is preferred that it is described detection bag in carry for characterize this detection wrap order of transmission sequence number；
Link exception determining unit specifically for：By detecting the sequence number in bag, when it is determined that continuous N
Individual detection Bao Wei is received, and N be more than predetermined threshold value when, determine the link exception.
It is preferred that the detection bag is：Content is empty Paket Data Convergence Protocol packet or special
Paket Data Convergence Protocol control bag, or special adaptation layer control bag.
It is preferred that the link exception determining unit is additionally operable to：The abnormal report of the link is reported to network side
Accuse.
It is preferred that the link is Long Term Evolution WLAN LTE WLAN aggregation transfer links.
Referring to Figure 14, in base station side, another kind of link monitoring device provided in an embodiment of the present invention, including：
Processor 500, for reading the program in memory 520, performs following process：
It is determined that needing to send detection bag to user equipment by WLAN；Wherein, the detection bag is used for
The link communicated between WLAN and the user equipment described in the base station Jing is detected whether normal；
Detection bag is sent to the user equipment by the WLAN by transceiver 510.
It is preferred that the detection bag is：Content is empty Paket Data Convergence Protocol packet or special
Paket Data Convergence Protocol control bag, or special adaptation layer control bag.
It is preferred that the monitoring of the processor 500 sends the week of detection bag by WLAN to user equipment
Whether the phase reaches, if reaching, it is determined that need to send detection bag to user equipment by WLAN.
It is preferred that it is described detection bag in carry for characterize this detection wrap order of transmission sequence number.
It is preferred that the link is Long Term Evolution WLAN LTE WLAN aggregation transfer links.
Transceiver 510, for receiving under control of the processor 500 and sending data.
Wherein, in fig. 14, bus architecture can include the bus and bridge of any number of interconnection, specifically
The various circuits of the memory that the one or more processors and memory 520 represented by processor 500 are represented
Link together.Bus architecture can also be by such as ancillary equipment, voltage-stablizer and management circuit or the like
Various other circuits link together, these be all it is known in the art, therefore, herein no longer to which
It is described further.EBI provides interface.Transceiver 510 can be multiple element, i.e., including send out
Send machine and transceiver, there is provided for the unit for communicating with various other devices over a transmission medium.Processor 500
Bus architecture and common process are responsible for, memory 520 can store processor 500 and perform operation
When the data that used.
Referring to Figure 15, in UE sides, another kind of link monitoring device provided in an embodiment of the present invention, including：
Processor 600, for reading the program in memory 620, performs following process：
Monitor the detection bag that base station is sent by WLAN；Wherein, the detection bag is described for detecting
Whether the link communicated between WLAN and the user equipment described in the Jing of base station is normal；
If detection bag is not received by transceiver 610, and when meeting pre-conditioned, determine that the link is different
Often.
It is preferred that the processor 600 is according to default listening period, monitors base station and pass through WLAN
The detection bag of transmission；
If in the listening period, the processor 600 does not receive base station by nothing by transceiver 610
The detection bag that line LAN sends, it is determined that the link exception.
It is preferred that it is described detection bag in carry for characterize this detection wrap order of transmission sequence number；
The processor 600 by detecting the sequence number in bag, when it is determined that continuous N number of detection Bao Wei is received,
And when N is more than predetermined threshold value, determine the link exception.
It is preferred that the detection bag is：Content is empty Paket Data Convergence Protocol packet or special
Paket Data Convergence Protocol control bag, or special adaptation layer control bag.
It is preferred that the processor 600 is additionally operable to：The link is reported to network side by transceiver 610
Abnormal report.
It is preferred that the link is Long Term Evolution WLAN LTE WLAN aggregation transfer links.
Transceiver 610, for receiving under the control of processor 600 and sending data.
Wherein, in fig .15, bus architecture can include the bus and bridge of any number of interconnection, specifically
The various circuits of the memory that the one or more processors and memory 620 represented by processor 600 are represented
Link together.Bus architecture can also be by such as ancillary equipment, voltage-stablizer and management circuit or the like
Various other circuits link together, these be all it is known in the art, therefore, herein no longer to which
It is described further.EBI provides interface.Transceiver 610 can be multiple element, i.e., including send out
Send machine and receiver, there is provided for the unit for communicating with various other devices over a transmission medium.For difference
User equipment, user interface 630 can also be can it is external in connect the interface for needing equipment, connection sets
Standby including but not limited to keypad, display, loudspeaker, microphone, control stick etc..
Processor 600 is responsible for bus architecture and common process, and memory 620 can store processor
600 data used when operation is performed.
In sum, the embodiment of the present invention is by periodically being sent by base station in PDCP layers or adaptation layer
To UE, detection bag realizes that WLAN sidelinks are monitored；UE side bases do not receive detection within a period of time
The loss of bag or continuous several detection bags judges that WLAN sidelinks fail.The embodiment of the present invention is comprehensive
Monitoring Long Term Evolution WLAN aggregation transfer Link State, can be end-to-end with concentrated expression WLAN sides
Link transmission situation, AP channel congestions and quality, with consistent Monitoring Performance, affect on existing protocol
Minimum, need not change UE WLAN chips, realize flexible.
Those skilled in the art are it should be appreciated that embodiments of the invention can be provided as method, system or meter
Calculation machine program product.Therefore, the present invention can be using complete hardware embodiment, complete software embodiment or knot
The form of the embodiment in terms of conjunction software and hardware.And, the present invention can be using wherein wrapping at one or more
Computer-usable storage medium containing computer usable program code (including but not limited to magnetic disc store and
Optical memory etc.) on the form of computer program implemented.
The present invention be with reference to method according to embodiments of the present invention, equipment (system), and computer program produce
The flow chart and/or block diagram of product is describing.It should be understood that can by computer program instructions flowchart and
/ or block diagram in each flow process and/or square frame and flow chart and/or the flow process in block diagram and/
Or the combination of square frame.These computer program instructions can be provided to all-purpose computer, special-purpose computer, embedded
The processor of formula processor or other programmable data processing devices is producing a machine so that by calculating
The instruction of the computing device of machine or other programmable data processing devices is produced for realizing in flow chart one
The device of the function of specifying in individual flow process or one square frame of multiple flow processs and/or block diagram or multiple square frames.
These computer program instructions may be alternatively stored in and computer or other programmable datas process can be guided to set
In the standby computer-readable memory for working in a specific way so that be stored in the computer-readable memory
Instruction produce and include the manufacture of command device, command device realization is in one flow process or multiple of flow chart
The function of specifying in one square frame of flow process and/or block diagram or multiple square frames.
These computer program instructions can be also loaded in computer or other programmable data processing devices, made
Obtain and series of operation steps is performed on computer or other programmable devices to produce computer implemented place
Reason, so as to the instruction performed on computer or other programmable devices is provided for realizing in flow chart one
The step of function of specifying in flow process or one square frame of multiple flow processs and/or block diagram or multiple square frames.
Obviously, those skilled in the art can carry out various changes and modification without deviating from this to the present invention
Bright spirit and scope.So, if the present invention these modification and modification belong to the claims in the present invention and
Within the scope of its equivalent technologies, then the present invention is also intended to comprising these changes and modification.
Claims (22)
1. a kind of link monitoring method, it is characterised in that the method includes：
Base station determines to be needed to send detection bag to user equipment by WLAN；Wherein, the detection bag
For whether just to detect the link communicated between WLAN and the user equipment described in the base station Jing
Often；
The base station sends detection bag to the user equipment by the WLAN.
2. method according to claim 1, it is characterised in that the detection bag is：Content is sky
Paket Data Convergence Protocol packet or special Paket Data Convergence Protocol control bag, or special
Adaptation layer control bag.
3. method according to claim 1, it is characterised in that the base station determines to be needed by nothing
Line LAN sends detection bag to user equipment, specifically includes：
Whether the base station monitors are reached to the cycle that user equipment sends detection bag by WLAN, if
Reach, it is determined that need to send detection bag to user equipment by WLAN.
4. method according to claim 1, it is characterised in that carry in the detection bag for
Characterize the sequence number of the order of transmission of this detection bag.
5. the method according to the arbitrary claim of Claims 1 to 4, it is characterised in that the link is length
Phase evolution WLAN LTE WLAN aggregation transfer links.
6. a kind of link monitoring method, it is characterised in that the method includes：
User equipment monitors the detection bag that base station is sent by WLAN；Wherein, the detection bag is used for
The link communicated between WLAN and the user equipment described in the base station Jing is detected whether normal；
If the user equipment does not receive detection bag, and when meeting pre-conditioned, determines the link exception.
7. method according to claim 6, it is characterised in that the user equipment is monitored base station and led to
The detection bag of WLAN transmission is crossed, is specifically included：The user equipment according to default listening period,
Monitor the detection bag that base station is sent by WLAN；
If the user equipment does not receive detection bag, and when meeting pre-conditioned, determines the link exception,
Specifically include：If in the listening period, the user equipment is not received base station and is sent out by WLAN
The detection bag for sending, it is determined that the link exception.
8. method according to claim 6, it is characterised in that carry in the detection bag for
Characterize the sequence number of the order of transmission of this detection bag；
If the user equipment does not receive detection bag, and when meeting pre-conditioned, determines the link exception,
Specifically include：The user equipment passes through to detect the sequence number in bag, when it is determined that continuous N number of detection Bao Weishou
Arrive, and N be more than predetermined threshold value when, determine the link exception.
9. method according to claim 6, it is characterised in that the detection bag is：Content is sky
Paket Data Convergence Protocol packet or special Paket Data Convergence Protocol control bag, or special
Adaptation layer control bag.
10. the method according to the arbitrary claim of claim 6～9, it is characterised in that the method also includes：
The user equipment reports the abnormal report of the link to network side.
11. methods according to the arbitrary claim of claim 6～9, it is characterised in that the link is length
Phase evolution WLAN LTE WLAN aggregation transfer links.
12. a kind of link monitoring devices, it is characterised in that include：
Determining unit, needs to send detection bag to user equipment by WLAN for determining；Wherein,
The detection bag is used to detect what is communicated between WLAN and the user equipment described in the base station Jing
Whether link is normal；
Transmitting element, for sending detection bag to the user equipment by the WLAN.
13. devices according to claim 12, it is characterised in that the detection bag is：Content is
Empty Paket Data Convergence Protocol packet or special Paket Data Convergence Protocol control bag, or specially
Adaptation layer control bag.
14. devices according to claim 12, it is characterised in that the determining unit specifically for：
Whether monitoring is reached to the cycle that user equipment sends detection bag by WLAN, if reaching, it is determined that
Need to send detection bag to user equipment by WLAN.
15. devices according to claim 12, it is characterised in that carry use in the detection bag
In the sequence number of the order of transmission for characterizing this detection bag.
16. devices according to the arbitrary claim of claim 12～15, it is characterised in that the link is
Long Term Evolution WLAN LTE WLAN aggregation transfer links.
17. a kind of link monitoring devices, it is characterised in that include：
Monitoring unit, for monitoring the detection bag that base station is sent by WLAN；Wherein, the detection
Wrap for whether detecting the link communicated between WLAN and the user equipment described in the base station Jing
Normally；
Link exception determining unit, if for not receiving detection bag, and when meeting pre-conditioned, determine institute
State link exception.
18. devices according to claim 17, it is characterised in that the monitoring unit specifically for：
According to default listening period, the detection bag that base station is sent by WLAN is monitored；
Link exception determining unit specifically for：If in the listening period, not receiving base station and passing through
The detection bag that WLAN sends, it is determined that the link exception.
19. devices according to claim 17, it is characterised in that carry use in the detection bag
In the sequence number of the order of transmission for characterizing this detection bag；
Link exception determining unit specifically for：By detecting the sequence number in bag, when it is determined that continuous N
Individual detection Bao Wei is received, and N be more than predetermined threshold value when, determine the link exception.
20. devices according to claim 17, it is characterised in that the detection bag is：Content is
Empty Paket Data Convergence Protocol packet or special Paket Data Convergence Protocol control bag, or specially
Adaptation layer control bag.
21. devices according to the arbitrary claim of claim 17～20, it is characterised in that the link is different
Often determining unit is additionally operable to：The abnormal report of the link is reported to network side.
22. devices according to the arbitrary claim of claim 17～20, it is characterised in that the link is
Long Term Evolution WLAN LTE WLAN aggregation transfer links.
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| CN201510618548.7A CN106559820B (en) | 2015-09-24 | 2015-09-24 | A kind of link monitoring method and device |
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| CN201510618548.7A CN106559820B (en) | 2015-09-24 | 2015-09-24 | A kind of link monitoring method and device |
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| Publication number | Publication date |
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| CN106559820B (en) | 2019-08-16 |
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