CN106231639A - Vertical handoff method between a kind of heterogeneous network and device - Google Patents
Vertical handoff method between a kind of heterogeneous network and device Download PDFInfo
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- CN106231639A CN106231639A CN201610651443.6A CN201610651443A CN106231639A CN 106231639 A CN106231639 A CN 106231639A CN 201610651443 A CN201610651443 A CN 201610651443A CN 106231639 A CN106231639 A CN 106231639A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
- H04W36/00837—Determination of triggering parameters for hand-off
- H04W36/008375—Determination of triggering parameters for hand-off based on historical data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
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Abstract
The invention discloses the vertical handoff method between a kind of heterogeneous network and device, be applied to mobile terminal.The method comprises the following steps: the signal intensity of monitoring first network；When signal intensity at first network meets default switching condition, determining the valid data that in the network service table being obtained ahead of time, first network is corresponding, in network service table, journal has for the history service data of network before the switching of each Vertical Handover；According to valid data, determine the accumulative service duration of each candidate network in candidate network set；Obtain the network parameter of each candidate network；Accumulative service duration according to each candidate network and network parameter, determine the network evaluation value of each candidate network；The size of the network evaluation value according to each candidate network, it is determined whether carry out Vertical Handover.The technical scheme that the application embodiment of the present invention is provided, decreases switching times, it is to avoid produces ping-pong, improves Consumer's Experience.
Description
Technical field
The present invention relates to wireless communication technology field, particularly relate to the vertical handoff method between a kind of heterogeneous network and dress
Put.
Background technology
Along with the fast development of radio network technique, there is heterogeneous networks characteristic, the heterogeneous network of employing different access technologies
Network continues to bring out, such as WiFi network and 4G network etc..In order to preferably utilize the access technology of various heterogeneous network, meet
User's demand to network service quality, research worker devises multiple heterogeneous network converged technical scheme.At heterogeneous network
In integration technology scheme, mobile management is sixty-four dollar question, and mobile management mainly includes location management and handover management.
Switching between heterogeneous network, also referred to as Vertical Handover, be the focus of current research.
Vertical handover procedure between heterogeneous network mainly includes three steps: Network finding, switch decision and switching perform.
Switch decision is the core of whole vertical handover procedure, directly affects the accuracy of Vertical Handover.At present, conventional one is vertical
Changing method is, mobile terminal is considered as the unit of random movement, and the signal according to its currently received network is strong merely
Degree, it is determined whether carry out network switching.
There is certain shortcoming in this method, the signal intensity of wireless network is subject to relatively multifactor impact, as barrier hinders
Gear etc., the simple signal intensity according to the network being currently received, it is determined whether carry out network switching, table tennis may be produced and cut
Changing effect, affect the normal use of user, Consumer's Experience is poor.
Summary of the invention
For solving above-mentioned technical problem, the present invention provides the vertical handoff method between a kind of heterogeneous network and device.
Vertical handoff method between a kind of heterogeneous network, is applied to mobile terminal, and described method includes:
The signal intensity of monitoring first network, described first network is current service network；
When signal intensity at described first network meets default switching condition, determine the network service table being obtained ahead of time
Described in valid data corresponding to first network, in described network service table, journal has the switching for each Vertical Handover
The history service data of front network；
According to described valid data, determine the accumulative service duration of each candidate network, described time in candidate network set
Selecting the candidate network in collection of network is network currently perceivable thereto；
Obtain the network parameter of each candidate network；
Accumulative service duration according to each candidate network and network parameter, determine the network evaluation of each candidate network
Value；
The size of the network evaluation value according to each candidate network, it is determined whether carry out Vertical Handover.
In a kind of detailed description of the invention of the present invention, described determine the first net described in the network service table being obtained ahead of time
The valid data that network is corresponding, including:
Determine network identity and the service window of described first network；
For each data of the network identity comprising described first network in described network service table, determine described
Whether the service window of one network is the subset of the service window set that this data comprises, if it is, by this data
Next data is defined as valid data.
In a kind of detailed description of the invention of the present invention, the size of the described network evaluation value according to each candidate network,
Determine whether to carry out Vertical Handover, including:
Determine whether candidate network corresponding to maximum network assessed value is described first network；
If it is not, then be switched to, from described first network, the candidate network that maximum network assessed value is corresponding.
In a kind of detailed description of the invention of the present invention, it is switched to maximum network assessed value described from described first network
After corresponding candidate network, described method also includes:
The service data of first network described in journal in described network service table.
In a kind of detailed description of the invention of the present invention, described network parameter includes the reception signal being normalized
Intensity and the available bandwidth being normalized.
In a kind of detailed description of the invention of the present invention, described default switching condition is: signal intensity is continuously less than pre-
If the duration of first threshold reaches to preset Second Threshold.
Vertical Handover device between a kind of heterogeneous network, is applied to mobile terminal, and described device includes:
Signal intensity monitoring modular, for monitoring the signal intensity of first network, described first network is current service net
Network；
Valid data determine module, are used for when the signal intensity of described first network meets default switching condition, really
Surely the valid data that described in the network service table being obtained ahead of time, first network is corresponding, in described network service table, journal has
For the history service data of network before the switching of each Vertical Handover；
Accumulative service duration determines module, for according to described valid data, determines each candidate in candidate network set
The accumulative service duration of network, described candidate network set comprises the pre-survey grid in described first network and described valid data
Network；
Network parameter obtains module, for obtaining the network parameter of each candidate network；
Network evaluation value determines module, for the accumulative service duration according to each candidate network and network parameter, determines
The network evaluation value of each candidate network；
Switch decision module, for the size of the network evaluation value according to each candidate network, it is determined whether carry out vertical
Switching.
In a kind of detailed description of the invention of the present invention, described valid data determine module, specifically for:
Determine network identity and the service window of described first network；
For each data of the network identity comprising described first network in described network service table, determine described
Whether the service window of one network is the subset of the service window set that this data comprises, if it is, by this data
Next data is defined as valid data.
In a kind of detailed description of the invention of the present invention, described switch decision module, specifically for:
Determine whether candidate network corresponding to maximum network assessed value is described first network；
If it is not, then be switched to, from described first network, the candidate network that maximum network assessed value is corresponding.
In a kind of detailed description of the invention of the present invention, described device also includes servicing data recordin module, is used for:
Described after described first network is switched to the candidate network that maximum network assessed value is corresponding, at described network
The service data of first network described in journal in agent list.
The application technical scheme that provided of the embodiment of the present invention, mobile terminal is monitoring as current service network the
When the signal intensity of one network meets default switching condition, by the history in the network service table being obtained ahead of time is serviced number
According to being analyzed, move trend prediction, determine the network evaluation value of multiple candidate network including first network,
The size of the network evaluation value according to each candidate network, it is determined whether carry out Vertical Handover.Combine the time and space is dual
History service data are analyzed by factor, thus it is speculated that user may move to which direction in current time current location, from
And the size of the network evaluation value according to each candidate network, it is determined whether carry out Vertical Handover, decrease switching times, it is to avoid
Produce ping-pong, improve Consumer's Experience.
Accompanying drawing explanation
For the clearer explanation embodiment of the present invention or the technical scheme of prior art, below will be to embodiment or existing
In technology description, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some bright embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to root
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the implementing procedure figure of the vertical handoff method in the embodiment of the present invention between a kind of heterogeneous network；
Fig. 2 is the structural representation of a kind of heterogeneous network in the embodiment of the present invention；
Fig. 3 is the structural representation of the Vertical Handover device in the embodiment of the present invention between a kind of heterogeneous network.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with the accompanying drawings and detailed description of the invention
The present invention is described in further detail.Obviously, described embodiment be only a part of embodiment of the present invention rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, broadly falls into the scope of protection of the invention.
Embodiments providing the vertical handoff method between a kind of heterogeneous network, the method can apply to mobile whole
End.Mobile terminal when the signal intensity monitoring the first network as current service network meets default switching condition,
It is analyzed by the history in the network service table being obtained ahead of time is serviced data, moves trend prediction, determine bag
Include the first network network evaluation value in interior multiple candidate network, according to the size of the network evaluation value of each candidate network,
Determine whether to carry out Vertical Handover.
In embodiments of the present invention, combine time and space double factor history service data are analyzed, thus it is speculated that
User may move to which direction in current time current location, thus according to the network evaluation value of each candidate network
Size, it is determined whether carry out Vertical Handover.
Shown in Figure 1, by the enforcement of the vertical handoff method between a kind of heterogeneous network that the embodiment of the present invention is provided
Flow chart, the method may comprise steps of:
S110: the signal intensity of monitoring first network.
Wherein, first network is current service network.
Mobile terminal, in moving process, may receive the signal of different isomerization network, accepts different isomerization network
Service.In mobile terminal course of normal operation, the signal intensity of the first network as current service network can be monitored.
In actual applications, mobile terminal can monitor the signal intensity of first network in real time, or according to setting cycle
The signal intensity of monitoring first network.
S120: when the signal intensity at first network meets default switching condition, determines the network service being obtained ahead of time
The valid data that in table, first network is corresponding.
Wherein, in network service table, journal has for the history service number of network before the switching of each Vertical Handover
According to.
In actual applications, for avoiding pingpang handoff to affect the user's normal use to mobile terminal, can preset
One switching condition, when the signal intensity that mobile terminal monitors first network meets this switching condition, then switches over and sentences
Certainly.
In embodiments of the present invention, this preset switching condition be: signal intensity continuously less than preset first threshold value time
Long reaching presets Second Threshold.I.e. monitor the signal intensity of first network continuously less than preset first threshold value when mobile terminal
When duration reaches to preset Second Threshold, switch over judgement.
It should be noted that first threshold and Second Threshold all can be set according to practical situation and adjust, this
Bright embodiment is without limitation, and certainly, this switching condition also may be set to other conditions.
In embodiments of the present invention, can in network service table journal for net before the switching of each Vertical Handover
The history service data of network.Every data can comprise the network identity of corresponding network, this network as the date of service network,
Service duration and service window, as shown in table 1:
| Attribute | Describe |
| Day | The service date |
| NetworkId | Network identity |
| Time | Service duration |
| Interval | Service window |
Table 1
The history service data of network service table record are as shown in table 2.
Table 2
From Table 2, it can be seen that July 15, mobile terminal from the network Vertical Handover that network identity is 0 to network identity
Being the network of 1, the data of sequence number 1 are the history of the network of 0 corresponding to network, i.e. network identity before the switching of this Vertical Handover
Service data, in this data, network identity is that the network of 0 is when the middle service of period [0:00-6:00] & [6:00-12:00]
A length of 480 minutes.
This network service table can be a finite table, pre-sets its maximum storage value, when remaining memory space is 0
Time, delete with current time apart from farthest history service data.
In a kind of detailed description of the invention of the present invention, step S120 may comprise steps of:
Step one: determine network identity and the service window of first network；
Step 2: for each data of the network identity comprising first network in network service table, determine the first net
Whether the service window of network is the subset of the service window set that this data comprises, if it is, by next of this data
Data is defined as valid data.
For ease of describing, above-mentioned two step is combined and illustrates.
It is understood that first network is current service network, mobile terminal is readily available the network of this first network
Mark and current time.
In embodiments of the present invention, multiple period can be divided into by one day 24 hours, as being divided into 4 periods, [0:
00-6:00], [6:00-12:00], [12:00-18:00] and [18:00-24:00].According to the default rule of correspondence, can be true
Determine the period corresponding to current time, and this period is defined as the service window of first network.
Such as, during the boundary point of current time non-any period, current time, within which, i.e. determines that this period is period
Service window；
When current time is the boundary point of certain two period, the two period is all defined as service window.
Each data for the network identity comprising first network in network service table, it may be determined that this first network
Service window be whether the subset of the service window set that this data comprises, if it is, by next of this data
Data are defined as valid data.
The network identity of the first network as determined is 0, and service window is [6:00-12:00], and it is respectively sequence number 1 He
The subset of the service window set that sequence number 4 corresponding data comprises, the valid data that the first network that determines is corresponding are sequence number 2 He
The data of sequence number 5 correspondence.By history service data it can be seen that mobile terminal accepts the first net in the period [6:00-12:00]
After the service of network, its possible Vertical Handover is 1 to network identity or network identity is the network of 2.
If it is to say, the service window of first network is in the service window set that its corresponding data comprises, then moved
The probability that dynamic terminal is switched in next data of this data network corresponding to the network identity that comprises is bigger.
S130: according to valid data, determines the accumulative service duration of each candidate network in candidate network set.
Wherein, the candidate network in candidate network set is network currently perceivable thereto.
The position that mobile terminal is currently located, may be in the signal cover of multiple heterogeneous networks.Mobile terminal is worked as
Before the network that can detect that all can constitute candidate network set, including first network as the candidate network of current switching.
Determine, in step S120, the valid data that first network is corresponding, mobile terminal in the corresponding time period from first network
The probability of network being switched to comprise in valid data is relatively big, can be using these networks in valid data as pre-survey grid
Network.
According to valid data, it may be determined that the accumulative service duration of each candidate network in candidate network set.
In a kind of detailed description of the invention of the present invention, step S130 may comprise steps of:
For each candidate network, according to the network identity of this candidate network, determine that this candidate network is in valid data
Accumulative service duration.
For each candidate network in candidate network set, valid data are selected the net comprising this candidate network
The data of network mark, the service duration comprised in the data that will select adds up, and obtains the accumulative service of this candidate network
Duration.
If valid data do not comprise the network identity of certain candidate network, then the accumulative service duration of this candidate network
It is 0.Such as first network.
S140: obtain the network parameter of each candidate network；
Mobile terminal, can be to each candidate when the signal intensity monitoring first network meets default switching condition
Network of network parameter measures.
In embodiments of the present invention, network parameter can include the received signal strength being normalized and return
The available bandwidth that one change processes.
Wherein, received signal strength RSS can be normalized by the normalized function of formula (1):
Wherein, RSSnormalFor the normalized signal intensity of any one candidate network, RSS in candidate network setrealFor
The actual received signal strength measuring this candidate network obtained, RSSminConnect in the candidate network set that reality measurement obtains
Receive the received signal strength of the minimum candidate network of signal intensity, RSSmaxConnect in the candidate network set that reality measurement obtains
The received signal strength of the candidate network of collection of letters maximum intensity.
Available bandwidth BW can be normalized by the normalized function of formula (2):
Wherein, BWnormalFor the normalization available bandwidth of any one candidate network, BW in candidate network setrealFor reality
The available bandwidth of this candidate network that border measurement obtains, BWmaxFor available bandwidth in the candidate network set that reality measurement obtains
The available bandwidth of big candidate network.
S150: according to accumulative service duration and the network parameter of each candidate network, determine the network of each candidate network
Assessed value.
In embodiments of the present invention, each candidate network can be determined according to the accumulative service duration of each candidate network
Network weight.
Concrete, can be determined according to formula (3):
Wherein, T [i] be network identity be the accumulative service duration of the candidate network of i,For candidate network set
In the summation of accumulative service duration of all candidate network, WminFor default minimal network weights, 1 specifically can be set to.
According to each network of network weights and network parameter, the network evaluation of each candidate network can be calculated
Value.
Concrete, can calculate according to formula (4):
V [i]=RSS [i] × (α * W [i]+β * BW [i]) formula (4)
Wherein, V [i] be network identity be the network evaluation value of the candidate network of i, RSS [i] be network identity be the time of i
The normalized received signal strength of network selection network, BW [i] be network identity be the normalized available bandwidth of the candidate network of i, α
For the weighter factor of default received signal strength, β is the weighter factor of default available bandwidth, and alpha+beta=1 can be according to reality
Border situation is set and adjusts, as set α=0.7, β=0.3.
S160: according to the size of the network evaluation value of each candidate network, it is determined whether carry out Vertical Handover.
The size of the network evaluation value according to each candidate network, it may be determined that whether carry out Vertical Handover.
In a kind of detailed description of the invention of the present invention, step S160 may comprise steps of:
First step: determine whether candidate network corresponding to maximum network assessed value is first network, if it is not, then hold
Row second step；
Second step: be switched to the candidate network that maximum network assessed value is corresponding from first network.
In step S150, it is determined that the network evaluation value of each candidate network, may determine that maximum network is assessed further
Whether the candidate network of value correspondence is first network, if it is, show in current candidate collection of network not than first network
Quality more preferably network, operation can not be switched over, if it is not, then show in current candidate collection of network exist ratio first
The quality of network more preferably network, can be switched to the candidate network with maximum network assessed value from first network.
After carrying out Vertical Handover, can in network service table the service data of journal first network, using as
History service data during switch decision next time.
As a example by Fig. 2, it is assumed that the candidate network in candidate network set is respectively as follows: the WiFi network that network identity is 0, net
Network be designated 1 4G network and network identity be the WiFi network of 2, wherein, network identity be 0 WiFi network be also first
Network.MT represents mobile terminal, and the line of band arrow is the habitual track of this mobile terminal.
According to valid data, the accumulative service duration of each candidate network determined is respectively as follows:
T [0]=0, T [1]=10, T [2]=290.
By formula (3), the network weight that can obtain each candidate network is respectively as follows:
W [0]=1, W [1]=1.03, W [2]=1.96.
If the candidate network of the network evaluation value maximum finally determined is network identity is the 4G network of 1, then hang down
Vertical cut changes, from the WiFi network Vertical Handover that network identity is 0 to the 4G network that network identity is 1.
The method that the application embodiment of the present invention is provided, mobile terminal is monitoring the first net as current service network
When the signal intensity of network meets default switching condition, enter by the history in the network service table being obtained ahead of time is serviced data
Row is analyzed, and moves trend prediction, determines the network evaluation value of multiple candidate network including first network, according to
The size of the network evaluation value of each candidate network, it is determined whether carry out Vertical Handover.Combine time and space double factor
History service data are analyzed, thus it is speculated that user may move to which direction in current time current location, thus root
Size according to the network evaluation value of each candidate network, it is determined whether carry out Vertical Handover, decrease switching times, it is to avoid produce
Ping-pong, improves Consumer's Experience.
Corresponding to above method embodiment, the embodiment of the present invention additionally provides the Vertical Handover dress between a kind of heterogeneous network
Putting, this device is applied to mobile terminal.Vertical Handover device between a kind of heterogeneous network described below and above-described one
Planting the vertical handoff method between heterogeneous network can be mutually to should refer to.
Shown in Figure 3, this device can include with lower module:
Signal intensity monitoring modular 310, for monitoring the signal intensity of first network, first network is current service net
Network；
Valid data determine module 320, for when the signal intensity of first network meets default switching condition, determine
The valid data that in the network service table being obtained ahead of time, first network is corresponding, in network service table, journal has for hanging down every time
The history service data of network before the switching that vertical cut changes；
Accumulative service duration determines module 330, for according to valid data, determines each candidate's net in candidate network set
The accumulative service duration of network, candidate network set comprises the prediction network in first network and valid data；
Network parameter obtains module 340, for obtaining the network parameter of each candidate network；
Network evaluation value determines module 350, for the accumulative service duration according to each candidate network and network parameter, really
The network evaluation value of fixed each candidate network；
Switch decision module 360, for the size of the network evaluation value according to each candidate network, it is determined whether hang down
Vertical cut changes.
In a kind of detailed description of the invention of the present invention, valid data determine module 320, specifically for:
Determine network identity and the service window of first network；
For each data of the network identity comprising first network in network service table, determine the service of first network
Whether the period is the subset of the service window set that this data comprises, if it is, by true for next data of this data
It is set to valid data.
In a kind of detailed description of the invention of the present invention, switch decision module 360, specifically for:
Determine whether candidate network corresponding to maximum network assessed value is first network；
If it is not, then be switched to, from first network, the candidate network that maximum network assessed value is corresponding.
In a kind of detailed description of the invention of the present invention, this device also includes servicing data recordin module, is used for:
After being switched to, from first network, the candidate network that maximum network assessed value is corresponding, order in network service table
The service data of record first network.
In a kind of detailed description of the invention of the present invention, network parameter includes the received signal strength being normalized
With the available bandwidth being normalized.
In a kind of detailed description of the invention of the present invention, the switching condition preset is: signal intensity is continuously less than presetting the
The duration of one threshold value reaches to preset Second Threshold.
The device that the application embodiment of the present invention is provided, mobile terminal is monitoring the first net as current service network
When the signal intensity of network meets default switching condition, enter by the history in the network service table being obtained ahead of time is serviced data
Row is analyzed, and moves trend prediction, determines the network evaluation value of multiple candidate network including first network, according to
The size of the network evaluation value of each candidate network, it is determined whether carry out Vertical Handover.Combine time and space double factor
History service data are analyzed, thus it is speculated that user may move to which direction in current time current location, thus root
Size according to the network evaluation value of each candidate network, it is determined whether carry out Vertical Handover, decrease switching times, it is to avoid produce
Ping-pong, improves Consumer's Experience.
In this specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment, same or similar part sees mutually.For filling disclosed in embodiment
For putting, owing to it corresponds to the method disclosed in Example, so describe is fairly simple, relevant part sees method part
Illustrate.
Professional further appreciates that, in conjunction with the unit of each example that the embodiments described herein describes
And algorithm steps, it is possible to electronic hardware, computer software or the two be implemented in combination in, in order to clearly demonstrate hardware and
The interchangeability of software, the most generally describes composition and the step of each example according to function.These
Function performs with hardware or software mode actually, depends on application-specific and the design constraint of technical scheme.Specialty
Technical staff specifically should can be used for using different methods to realize described function to each, but this realization should not
Think beyond the scope of this invention.
The method described in conjunction with the embodiments described herein or the step of algorithm can direct hardware, processor be held
The software module of row, or the combination of the two implements.Software module can be placed in random access memory (RAM), internal memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, depositor, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
Above the vertical handoff method between a kind of heterogeneous network provided by the present invention and device are described in detail.
Principle and the embodiment of the present invention are set forth by specific case used herein, and the explanation of above example is simply used
In helping to understand method and the core concept thereof of the present invention.It should be pointed out that, for those skilled in the art,
Under the premise without departing from the principles of the invention, it is also possible to the present invention is carried out some improvement and modification, these improve and modify also
Fall in the protection domain of the claims in the present invention.
Claims (10)
1. the vertical handoff method between a heterogeneous network, it is characterised in that being applied to mobile terminal, described method includes:
The signal intensity of monitoring first network, described first network is current service network；
When signal intensity at described first network meets default switching condition, determine institute in the network service table being obtained ahead of time
State the valid data that first network is corresponding, net before journal has the switching for each Vertical Handover in described network service table
The history service data of network；
According to described valid data, determine the accumulative service duration of each candidate network in candidate network set, described candidate's net
Candidate network in network set is network currently perceivable thereto；
Obtain the network parameter of each candidate network；
Accumulative service duration according to each candidate network and network parameter, determine the network evaluation value of each candidate network；
The size of the network evaluation value according to each candidate network, it is determined whether carry out Vertical Handover.
Method the most according to claim 1, it is characterised in that described determine described in the network service table being obtained ahead of time
The valid data that one network is corresponding, including:
Determine network identity and the service window of described first network；
For each data of the network identity comprising described first network in described network service table, determine described first net
Whether the service window of network is the subset of the service window set that this data comprises, if it is, by next of this data
Data is defined as valid data.
Method the most according to claim 2, it is characterised in that the described network evaluation value according to each candidate network big
Little, it is determined whether to carry out Vertical Handover, including:
Determine whether candidate network corresponding to maximum network assessed value is described first network；
If it is not, then be switched to, from described first network, the candidate network that maximum network assessed value is corresponding.
Method the most according to claim 3, it is characterised in that be switched to maximum network from described first network comment described
After the candidate network that valuation is corresponding, described method also includes:
The service data of first network described in journal in described network service table.
5. according to the method described in any one of Claims 1-4, it is characterised in that described network parameter includes being normalized
The received signal strength processed and the available bandwidth being normalized.
6. according to the method described in any one of Claims 1-4, it is characterised in that described default switching condition is: signal is strong
Degree reaches to preset Second Threshold less than the duration of preset first threshold value continuously.
7. the Vertical Handover device between a heterogeneous network, it is characterised in that being applied to mobile terminal, described device includes:
Signal intensity monitoring modular, for monitoring the signal intensity of first network, described first network is current service network；
Valid data determine module, for when the signal intensity of described first network meets default switching condition, determine pre-
The valid data that described in the network service table first obtained, first network is corresponding, in described network service table journal have for
The history service data of network before the switching of Vertical Handover every time；
Accumulative service duration determines module, for according to described valid data, determines each candidate network in candidate network set
Accumulative service duration, described candidate network set comprises the prediction network in described first network and described valid data；
Network parameter obtains module, for obtaining the network parameter of each candidate network；
Network evaluation value determines module, for the accumulative service duration according to each candidate network and network parameter, determines each
The network evaluation value of candidate network；
Switch decision module, for the size of the network evaluation value according to each candidate network, it is determined whether carry out Vertical Handover.
Device the most according to claim 7, it is characterised in that described valid data determine module, specifically for:
Determine network identity and the service window of described first network；
For each data of the network identity comprising described first network in described network service table, determine described first net
Whether the service window of network is the subset of the service window set that this data comprises, if it is, by next of this data
Data is defined as valid data.
Device the most according to claim 8, it is characterised in that described switch decision module, specifically for:
Determine whether candidate network corresponding to maximum network assessed value is described first network；
If it is not, then be switched to, from described first network, the candidate network that maximum network assessed value is corresponding.
Device the most according to claim 9, it is characterised in that described device also includes servicing data recordin module, uses
In:
Described after described first network is switched to the candidate network that maximum network assessed value is corresponding, at described network service
The service data of first network described in journal in table.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109743761A (en) * | 2019-03-07 | 2019-05-10 | 北京西米兄弟未来科技有限公司 | A kind of switching method of wireless network, device and equipment |
| CN113163002A (en) * | 2021-04-09 | 2021-07-23 | 深圳市腾讯网络信息技术有限公司 | Server switching method and device and storage medium |
| CN108271225B (en) * | 2017-01-03 | 2022-06-07 | 中兴通讯股份有限公司 | Network acquisition method and device |
| CN114916025A (en) * | 2022-05-09 | 2022-08-16 | 上海擎昆信息科技有限公司 | Tunnel two-end wireless communication network switching method and system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100041404A1 (en) * | 2008-08-13 | 2010-02-18 | Research And Industrial Cooperation Group | Handover method and apparatus based on history information in wireless networks |
| CN103533577A (en) * | 2013-08-09 | 2014-01-22 | 国家电网公司 | Judgment control method and system for vertical switching among heterogeneous wireless networks |
| CN103974191A (en) * | 2013-01-30 | 2014-08-06 | 华为技术有限公司 | Mobile-mode prediction device and method |
-
2016
- 2016-08-10 CN CN201610651443.6A patent/CN106231639B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100041404A1 (en) * | 2008-08-13 | 2010-02-18 | Research And Industrial Cooperation Group | Handover method and apparatus based on history information in wireless networks |
| CN103974191A (en) * | 2013-01-30 | 2014-08-06 | 华为技术有限公司 | Mobile-mode prediction device and method |
| CN103533577A (en) * | 2013-08-09 | 2014-01-22 | 国家电网公司 | Judgment control method and system for vertical switching among heterogeneous wireless networks |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108271225B (en) * | 2017-01-03 | 2022-06-07 | 中兴通讯股份有限公司 | Network acquisition method and device |
| CN109743761A (en) * | 2019-03-07 | 2019-05-10 | 北京西米兄弟未来科技有限公司 | A kind of switching method of wireless network, device and equipment |
| CN109743761B (en) * | 2019-03-07 | 2021-03-26 | 北京西米兄弟未来科技有限公司 | Wireless network switching method, device and equipment |
| CN113163002A (en) * | 2021-04-09 | 2021-07-23 | 深圳市腾讯网络信息技术有限公司 | Server switching method and device and storage medium |
| CN113163002B (en) * | 2021-04-09 | 2022-06-17 | 深圳市腾讯网络信息技术有限公司 | Server switching method and device and storage medium |
| CN114916025A (en) * | 2022-05-09 | 2022-08-16 | 上海擎昆信息科技有限公司 | Tunnel two-end wireless communication network switching method and system |
| CN114916025B (en) * | 2022-05-09 | 2023-11-21 | 上海擎昆信息科技有限公司 | Tunnel two-end wireless communication network switching method and system |
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