CN109429253A - WiFi access point falls the method, apparatus and terminal of net detection under VoWiFi business - Google Patents
WiFi access point falls the method, apparatus and terminal of net detection under VoWiFi business Download PDFInfo
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- CN109429253A CN109429253A CN201710582685.9A CN201710582685A CN109429253A CN 109429253 A CN109429253 A CN 109429253A CN 201710582685 A CN201710582685 A CN 201710582685A CN 109429253 A CN109429253 A CN 109429253A
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- network side
- message
- dpd
- side equipment
- request message
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Classifications
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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
-
- 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
-
- 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]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention provides the method, apparatus and terminal that WiFi access point under a kind of VoWiFi business falls net detection.The described method includes: after the inaccessible message of destination address for receiving network side equipment transmission, sending DPD request message to network side equipment under talking state;When not receiving response message at the appointed time interval, DPD request message is sent to network side equipment again;In the absence of a reply, after the specified time interval, a DPD request message is sent to network side equipment again;After the number for sending DPD request message reaches and specifies number, if being not received by response message, judge that current WiFi access point falls net.The present invention can quickly detect whether WiFi access point falls net, reduce the time that user is in net state.
Description
Technical field
The present invention relates to the sides that WiFi access point under field of communication technology more particularly to a kind of VoWiFi business falls net detection
Method, device and terminal.
Background technique
Terminal carries out VoWiFi (Voice&Video over WiFi, WiFi network voice and video telephone) under WiFi environment
When business, if there is Network Abnormal, terminal can detect whether WiFi AP (WiFi Access Point, WiFi access point) falls
Net is to judge whether to need to be switched to other networks.
The method whether existing detection WiFi AP falls net is by initiating DPD (Dead Peer Detection, failure
Peer-to-peer detection) process realizes that specific implementation is in no any downlink data, and terminal starts determining for a 120s
When device, DPD process is initiated to network after timer expiry, if being not received by EPDG (Evolved Packet Data
Gateway, the packet data gateway of evolution) response, terminal can initiate again DPD process after 2s, what is do not replied
In the case of, terminal initiates a DPD process every 2s, after initiating 5 DPD processes (time-consuming 10s) altogether, if network is not yet
Response is judged as current WiFi AP and falls net.Therefore, in the case where WiFi AP falls net, terminal needs at least used time 130s
It can detected, detection time is longer, will cause the state that user is in net for a long time.
Summary of the invention
WiFi access point falls the method, apparatus and terminal of net detection under VoWiFi business provided by the invention, can be quick
It detects whether WiFi access point falls net, reduces the time that user is in net state.
In a first aspect, the present invention provides the method that WiFi access point under a kind of VoWiFi business falls net detection, the method
Include:
Under talking state, after the inaccessible message of destination address for receiving network side equipment transmission, to network
Side apparatus sends DPD request message;
When not receiving response message at the appointed time interval, DPD request message is sent to network side equipment again;
In the absence of a reply, it after the specified time interval, is sent again to network side equipment primary
DPD request message;
After the number for sending DPD request message reaches and specifies number, if being not received by response message, judgement is worked as
Preceding WiFi access point falls net.
Optionally, the method also includes:
Under non-talking state, when not receiving any downlink data, after the predetermined time, to network side equipment
Send the message for checking network connection state;
When the inaccessible message of the destination address for receiving network side equipment transmission, DPD is sent to network side equipment and is asked
Seek message;
When not receiving response message at the appointed time interval, DPD request message is sent to network side equipment again;
In the absence of a reply, it after the specified time interval, is sent again to network side equipment primary
DPD request message;
After the number for sending DPD request message reaches and specifies number, if being not received by response message, judgement is worked as
Preceding WiFi access point falls net.
Optionally, the specified time intervalWherein, tn1For n-th initiate DPD request when
Between, tn2For receive n-th DPD request response message time, n > 0 and n is integer.
Second aspect, the present invention provide the device that WiFi access point under a kind of VoWiFi business falls net detection, described device
Include:
First transmission unit, under talking state, the destination address that network side equipment is sent to be unreachable receiving
Message after, to network side equipment send DPD request message;
Second transmission unit, for being set to network side again when not receiving response message at the appointed time interval
Preparation send DPD request message;
Third transmission unit is used in the absence of a reply, after the specified time interval, again to net
Network side apparatus sends a DPD request message;
Judging unit, for being answered if be not received by after the number of transmission DPD request message reaches and specifies number
Message is answered, judges that current WiFi access point falls net.
Optionally, described device further include:
4th transmission unit is used under non-talking state, when not receiving any downlink data, in the predetermined time
Later, the message for checking network connection state is sent to network side equipment;
First transmission unit is also used to send inspection network connection to network side equipment in the 4th transmission unit
After the message of state, when the inaccessible message of the destination address for receiving network side equipment transmission, sent out to network side equipment
Send DPD request message;
Second transmission unit, for when at the appointed time interval in do not receive response message when, again to network
Side apparatus sends DPD request message;
The third transmission unit is used in the absence of a reply, after the specified time interval, again
A DPD request message is sent to network side equipment;
The judging unit, after reaching and specifying number in the number for sending DPD request message, if do not received
To response message, judge that current WiFi access point falls net.
Optionally, the specified time intervalWherein, tn1For n-th initiate DPD request when
Between, tn2For receive n-th DPD request response message time, n > 0 and n is integer.
The third aspect, the present invention provide a kind of terminal, the terminal include under above-mentioned VoWiFi business WiFi access point fall
Net the device of detection.
WiFi access point falls the method, apparatus and terminal of net detection under VoWiFi business provided in an embodiment of the present invention,
Under talking state, after receiving the inaccessible message of destination address, DPD request message is sent to network side equipment, if
It does not reply, sends a DPD request message to network every specified time interval, when the number for sending DPD request message reaches
To after specifying number, if being not received by response message, judge that current WiFi access point falls net.Compared with prior art,
The present invention can quickly detect whether WiFi access point falls net, reduce the time that user is in net state.
Detailed description of the invention
Fig. 1 is the flow chart for the method that WiFi access point falls net detection under one embodiment of the invention VoWiFi business;
Fig. 2 is the flow chart for the method that one embodiment of the invention WiFi access point under talking state falls net detection;
Fig. 3 is the flow chart for the method that WiFi access point falls net detection under another embodiment of the present invention VoWiFi business;
Fig. 4 is the flow chart for the method that another embodiment of the present invention WiFi access point under non-talking state falls net detection;
Fig. 5 is the structural schematic diagram for the device that WiFi access point falls net detection under one embodiment of the invention VoWiFi business;
Fig. 6 is the structural representation for the device that WiFi access point falls net detection under another embodiment of the present invention VoWiFi business
Figure.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
It is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
The present invention provides the method that WiFi access point under a kind of VoWiFi business falls net detection, as shown in Figure 1, the method
Include:
S11, under talking state, receive network side equipment transmission the inaccessible message of destination address after, to
Network side equipment sends DPD request message;
S12, when at the appointed time interval in do not receive response message when, again to network side equipment send DPD request
Message;
S13, in the absence of a reply is sent to network side equipment again after the specified time interval
DPD request message;
S14, after the number for sending DPD request message reaches and specifies number, if being not received by response message, sentence
The current WiFi access point that breaks falls net.
WiFi access point falls the method for net detection under VoWiFi business provided in an embodiment of the present invention, under talking state,
After receiving the inaccessible message of destination address, DPD request message is sent to network side equipment, if do not replied, often
A DPD request message is sent to network every specified time interval, specifies number it when the number for sending DPD request message reaches
Afterwards, if being not received by response message, judge that current WiFi access point falls net.Compared with prior art, the present invention can be fast
Speed detects whether WiFi access point falls net, reduces the time that user is in net state.
Terminal is linked into after WiFi network, is typically in call state (talking state) or no call state is (non-through
Speech phase) in, call state refers to that terminal is busy now, and no call state refers to that the institute other than call state is in love
Condition.Below by taking terminal is under call state as an example, the method for falling net detection to WiFi access point provided by the invention has
Body explanation.
Under call state, because can constantly have RTP (Real-time Transport Protocol, real-time Transmission association
View) message transmitting-receiving, if WiFi network is fallen net (network unreachable), terminal to network send RTP message it
Afterwards, network can be carried in the RTP packet of return ICMP (Internet Control Message Protocol Internet,
Internet Control Message Protocol) Destination unreachable, the i.e. inaccessible message of ICMP destination address, so the present invention exists
It receives the inaccessible message of ICMP destination address and just triggers quick DPD process later, can reduce whether judge WiFi network
Fall the time of net.
As shown in Fig. 2, being the present invention under talking state, whether detection WiFi access point falls the specific flow chart of net.Touching
After sending out DPD process quick, if not receiving response message, after the time interval of time_interval, one is sent
Secondary DPD process, the Network status before wherein time_intervals is basis are carried out comprehensive assessment and are come out, and universal experience value is
Less than 2 seconds.After sending DPD process three times, if receiving response not yet, judge that current WiFi access point falls net.
If having 4G network, it is necessary to which VoWiFi business handover (switching) is arrived VoLTE (Voice&Video over by terminal
LTE, LTE network voice and video telephone) business if not having 4G network suggests that user VoWiFi is temporarily unavailable.If three times
The case where receiving response message in DPD request, being judged as current WiFi AP does not have suspension, and user remains in
In VoWiFi, so as to avoid because Network status is bad, DPD is caused to reply the caused erroneous judgement that is delayed.
Optionally, as shown in figure 3, the method also includes:
S15, under non-talking state, when not receiving any downlink data, after the predetermined time, to network side
Equipment sends the message for checking network connection state;
S16, when receiving the inaccessible message of destination address of network side equipment transmission, sent to network side equipment
DPD request message;
S17, when at the appointed time interval in do not receive response message when, again to network side equipment send DPD request
Message;
S18, in the absence of a reply is sent to network side equipment again after the specified time interval
DPD request message;
S19, after the number for sending DPD request message reaches and specifies number, if being not received by response message, sentence
The current WiFi access point that breaks falls net.
WiFi access point falls the method for net detection under VoWiFi business provided in an embodiment of the present invention, in non-talking state
Under, when not receiving any downlink data, after the predetermined time, is sent to network side equipment and check network connection state
Message, after receiving the inaccessible message of destination address, to network side equipment send DPD request message, if do not had
Response sends a DPD request message to network every specified time interval, when the number for sending DPD request message reaches finger
After fixed number mesh, if being not received by response message, judge that current WiFi access point falls net.Compared with prior art, this hair
It is bright to quickly detect whether WiFi access point falls net, reduce the time that user is in net state.
Below by taking terminal is under no call state as an example, the side of net detection is fallen to WiFi access point provided by the invention
Method is specifically described.
Under no call state, because without the interaction of RTP message, it is in response to this, provided by the invention
WiFi access point falls the method for net detection when not receiving any downlink data, starts the ping that a time interval is 5s
When timer expiry, the message of an inspection network connection state is sent to network for the timer of pcscf (proxy-cscf)
(ping message) just triggers quick DPD process if network return is the inaccessible message of ICMP destination address.
As shown in figure 4, being the present invention under non-talking state, whether detection WiFi access point falls the specific flow chart of net.
After triggering quick DPD process, if not receiving response message, after the time interval of time_interval, send
DPD process, the Network status before wherein time_intervals is basis are carried out comprehensive assessment and are come out, universal experience value
It is less than 2 seconds.After sending DPD process three times, if receiving response not yet, judge that current WiFi access point falls
Net.If having 4G network, it is necessary to which VoWiFi business handover (switching) is arrived VoLTE (Voice&Video by terminal
Over LTE, LTE network voice and video telephone) business if not having 4G network suggests that user VoWiFi is temporarily unavailable.Such as
Fruit the case where receiving response message in DPD request three times, being judged as current WiFi AP does not have suspension, and user continues to retain
In VoWiFi, so as to avoid because Network status is bad, DPD is caused to reply the caused erroneous judgement that is delayed.
Specifically, the quick DPD process triggered under talking state and under non-talking state, with DPD in the prior art
The difference of process is that the time interval for initiating DPD process every time is different, the time interval of quick DPD process in the present invention
Network status before time_interval is basis carrys out comprehensive assessment out, indicates time_interval with T, specifically comments
Estimation algorithm are as follows:Wherein, tn1The time of DPD request, t are initiated for n-thn2To receive described n-th
The time of the response message of secondary DPD request, n > 0 and n are integer, empirically data, tn2-tn1It is less than 1 second, so T exists
Within the scope of 1 to 2 seconds.Above-mentioned algorithm predicts current network environment based on the time interval of initiation and response DPD request before
The time interval of quick DPD down is avoided because Network status itself is bad, and DPD replys the caused erroneous judgement that is delayed.
The embodiment of the present invention also provides the device that WiFi access point under a kind of VoWiFi business falls net detection, as shown in figure 5,
Described device includes:
First transmission unit 11, under talking state, the destination address for receiving network side equipment transmission can not
After the message reached, DPD request message is sent to network side equipment;
Second transmission unit 12, for when at the appointed time interval in do not receive response message when, again to network side
Equipment sends DPD request message;
Third transmission unit 13, in the absence of a reply, after the specified time interval, again to
Network side equipment sends a DPD request message;
Judging unit 14, after reaching and specifying number in the number for sending DPD request message, if be not received by
Response message judges that current WiFi access point falls net.
Optionally, as shown in fig. 6, described device further include:
4th transmission unit 15 is used under non-talking state, when not receiving any downlink data, in pre- timing
Between after, to network side equipment send check network connection state message;
First transmission unit 11 is also used to send inspection network to network side equipment in the 4th transmission unit 15
After the message of connection status, when the inaccessible message of the destination address for receiving network side equipment transmission, set to network side
Preparation send DPD request message;
Second transmission unit 12, for when at the appointed time interval in do not receive response message when, again to net
Network side apparatus sends DPD request message;
The third transmission unit 13 is used in the absence of a reply, after the specified time interval, weight
Newly a DPD request message is sent to network side equipment;
The judging unit 14, after reaching and specifying number in the number for sending DPD request message, if do not connect
Response message is received, judges that current WiFi access point falls net.
Optionally, the specified time intervalWherein, tn1For n-th initiate DPD request when
Between, tn2For receive n-th DPD request response message time, n > 0 and n is integer.
WiFi access point falls the device of net detection under VoWiFi business provided in an embodiment of the present invention, under talking state,
After receiving the inaccessible message of destination address, DPD request message is sent to network side equipment, if do not replied, often
A DPD request message is sent to network every specified time interval, specifies number it when the number for sending DPD request message reaches
Afterwards, if being not received by response message, judge that current WiFi access point falls net.Under non-talking state, appoint not receiving
When what downlink data, after the predetermined time, the message for checking network connection state is sent to network side equipment, is being received
After the inaccessible message of destination address, DPD request message is sent to network side equipment, if do not replied, when specified
Between be spaced to network send a DPD request message, when send DPD request message number reach specify number after, if
It is not received by response message, judges that current WiFi access point falls net.Compared with prior art, the present invention can quickly detect
Whether WiFi access point falls net, reduces the time that user is in net state.
The embodiment of the present invention also provides a kind of terminal, the terminal include under above-mentioned VoWiFi business WiFi access point fall net
The device of detection.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in a computer-readable storage medium
In, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (7)
1. WiFi access point falls the method for net detection under a kind of VoWiFi business, which is characterized in that the described method includes:
Under talking state, after the inaccessible message of destination address for receiving network side equipment transmission, set to network side
Preparation send DPD request message;
When not receiving response message at the appointed time interval, DPD request message is sent to network side equipment again;
In the absence of a reply, after the specified time interval, a DPD is sent to network side equipment again and is asked
Seek message;
After the number for sending DPD request message reaches and specifies number, if being not received by response message, judgement is current
WiFi access point falls net.
2. the method according to claim 1, wherein the method also includes:
Under non-talking state, when not receiving any downlink data, after the predetermined time, sent to network side equipment
Check the message of network connection state;
When the inaccessible message of the destination address for receiving network side equipment transmission, DPD request is sent to network side equipment and is disappeared
Breath;
When not receiving response message at the appointed time interval, DPD request message is sent to network side equipment again;
In the absence of a reply, after the specified time interval, a DPD is sent to network side equipment again and is asked
Seek message;
After the number for sending DPD request message reaches and specifies number, if being not received by response message, judgement is current
WiFi access point falls net.
3. method according to claim 1 or 2, which is characterized in that the specified time interval
Wherein, tn1The time of DPD request, t are initiated for n-thn2For the time for receiving the response message that the n-th DPD is requested, n
> 0 and n is integer.
4. WiFi access point falls the device of net detection under a kind of VoWiFi business, which is characterized in that described device includes:
First transmission unit disappears the destination address for receiving network side equipment transmission is inaccessible under talking state
After breath, DPD request message is sent to network side equipment;
Second transmission unit, for being sent out to network side equipment again when not receiving response message at the appointed time interval
Send DPD request message;
Third transmission unit is used in the absence of a reply, after the specified time interval, again to network side
Equipment sends a DPD request message;
Judging unit, for disappearing after the number of transmission DPD request message reaches and specifies number if being not received by response
Breath, judges that current WiFi access point falls net.
5. device according to claim 4, which is characterized in that described device further include:
4th transmission unit, under non-talking state, when not receiving any downlink data, the predetermined time it
Afterwards, the message for checking network connection state is sent to network side equipment;
First transmission unit is also used to send inspection network connection state to network side equipment in the 4th transmission unit
Message after, when receiving the inaccessible message of destination address of network side equipment transmission, send DPD to network side equipment
Request message;
Second transmission unit, for being set to network side again when not receiving response message at the appointed time interval
Preparation send DPD request message;
The third transmission unit is used in the absence of a reply, after the specified time interval, again to net
Network side apparatus sends a DPD request message;
The judging unit, for being answered if be not received by after the number of transmission DPD request message reaches and specifies number
Message is answered, judges that current WiFi access point falls net.
6. device according to claim 4 or 5, which is characterized in that the specified time interval
Wherein, tn1The time of DPD request, t are initiated for n-thn2For the time for receiving the response message that the n-th DPD is requested, n
> 0 and n is integer.
7. a kind of terminal, which is characterized in that the terminal includes the VoWiFi business as described in any one of claim 4 to 6
Lower WiFi access point falls the device of net detection.
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CN201710582685.9A CN109429253B (en) | 2017-07-17 | 2017-07-17 | Method, device and terminal for detecting network disconnection of WiFi access point under VoWiFi service |
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