CN104507099B - The Notification Method and equipment of a kind of network load information - Google Patents
The Notification Method and equipment of a kind of network load information Download PDFInfo
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- CN104507099B CN104507099B CN201410666108.4A CN201410666108A CN104507099B CN 104507099 B CN104507099 B CN 104507099B CN 201410666108 A CN201410666108 A CN 201410666108A CN 104507099 B CN104507099 B CN 104507099B
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Abstract
The invention discloses a kind of Notification Method of network load information and equipment, this method includes：ANDSF entities receive the network load information from PCRF entities and change instruction message；The network load information changes the user position information and customer charge change information carried in instruction message during current sessions；The ANDSF entities determine the band of position using user position information, change the network load information of the information calculating band of position using the customer charge；The ANDSF entities send network load information renewal confirmation message to the PCRF entities；The network load information of the band of position is carried in the network load information renewal confirmation message.In the embodiment of the present invention, ANDSF entities calculate the network load information in user present position region and are sent to UE in real time, substantially increase the accuracy that UE obtains network load information, so as to more effectively realize Network finding and selection.
Description
Technical field
The present invention relates to communication technical field, the Notification Method and equipment of especially a kind of network load information.
Background technology
UE (User Equipment, user equipment) for supporting a variety of access systems, network side can provide to UE
Available wireless access network information, for instructing UE to find and selecting suitable access network, the function can pass through ANDSF
(Access Network Discovery and Selection Function, access network discovery and selection function) entity
Realize.Wherein, ANDSF entities are supplied to UE information to specifically include：Static information, the different access networks of operator's planning
Precedence information, multidate information (network load information for such as accessing network).In order to provide network load information to UE, then
ANDSF entities need the ability with acquisition network load information, and receive the network load information of network management system notice.
In the prior art, by interacting between network management system and ANDSF entities, network load is provided for ANDSF entities
Information, ANDSF entities can be the selection strategy that UE formulates access network according to network load information.Specifically, network management system
It can specifically include with the interactive mode of ANDSF entities：Network management system starts timer, when the timer expires, then webmaster system
Unite and notify the network load information for accessing network to give ANDSF entities, be i.e. network management system periodically sends net to ANDSF entities
Network information on load.
When network management system periodically sends network load information to ANDSF entities, report cycle is longer, then network is born
The validity of lotus information is poorer, and report cycle is shorter, then network management system and ANDSF entities signaling consumption to be dealt be just
It is bigger, so as to propose more stringent requirement to equipment performance.
The content of the invention
The embodiment of the present invention provides a kind of Notification Method and equipment of network load information, to avoid network management system periodically
Send network load information to ANDSF entities, efficiently solve cycle timer set it is long report information on load it is inaccurate,
The problem of too short and exacerbation equipment room processing expense is set.
The embodiment of the present invention provides a kind of Notification Method of network load information, the described method comprises the following steps：Access
Network finding and selection function ANDSF entities receive the network load information from strategy and charging control function PCRF entities and changed
Become instruction message；Wherein, the network load information changes the user place carried in instruction message during current sessions
Positional information and customer charge change information；The ANDSF entities determine position area using user position information
Domain, and utilize the network load information of the customer charge change information calculating band of position；The ANDSF entities are to institute
State PCRF entities and send network load information renewal confirmation message；Wherein, taken in the network load information renewal confirmation message
With the network load information of the band of position.
The ANDSF entities change the network load information of the information calculating band of position using the customer charge,
Specifically include：During IP-CAN session establishments, the ANDSF entities change information using the customer charge and determined currently
Increased network load information, the network load currently safeguarded using current increased network load information and the band of position
Information calculates the network load information of the band of position；Or, during IP-CAN sessions deletion, the ANDSF entities profit
Change information with the customer charge and determine the network load information of current reduction, using current reduction network load information and
The network load information that the band of position is currently safeguarded calculates the network load information of the band of position；Or, in IP-CAN
During session modification, the network load that the ANDSF entities determine currently to change using customer charge change information is believed
Breath, and the network load information currently safeguarded using the network load information and the band of position that currently change calculates institute's rheme
Put the network load information in region.
User position information includes one below or any combination：Access network type, network insertion provide
Trade mark knowledge, Base Station Identification, cell ID, service set, basic service set identification；The customer charge change information include with
One of lower or any combination：User's mark, increase, carrying mark, increase or the carrying mark deleted for deleting either modification
Authorized bandwidth information, the change information for carrying authorized bandwidth corresponding to mark of modification corresponding to knowledge；The net of the band of position
Network information on load includes one below or any combination：The number of users of the band of position, carrying number, authorized bandwidth.
Methods described further comprises：
When the band of position is specially serving cell, and user position information includes cell ID, institute
ANDSF entities are stated after serving cell is determined using user position information, are determined corresponding to the serving cell
Neighbor cell, and determine the network load information of the neighbor cell；The ANDSF entities are sending net to the PCRF entities
When network information on load updates confirmation message, the net of the neighbor cell is also carried in the network load information renewal confirmation message
Network information on load.
The ANDSF entities determine neighbor cell corresponding to the serving cell, and determine the network of the neighbor cell
After information on load, methods described further comprises：
The ANDSF entities judge whether the network load information of the serving cell is more than default load thresholding；If
It is that then all user equipment (UE)s in connected state of the ANDSF entities into the serving cell send network load letter
Notification message is ceased, the network load information of the serving cell and the phase are carried in the network load information notification message
The network load information of adjacent cell.
The embodiment of the present invention provides a kind of ANDSF entities, and the ANDSF entities specifically include：Receiving module, for receiving
Network load information from PCRF entities changes instruction message；Wherein, the network load information changes takes in instruction message
Change information with the user position information during current sessions and customer charge；Processing module, for utilizing institute
State user position information and determine the band of position, and change the net of the information calculating band of position using the customer charge
Network information on load；Sending module, for sending network load information renewal confirmation message to the PCRF entities；Wherein, it is described
The network load information of the band of position is carried in network load information renewal confirmation message.
The processing module, specifically for changing the network of the information calculating band of position using the customer charge
During information on load, during IP connection access network IP-CAN session establishments, change information using the customer charge and determine to work as
Preceding increased network load information, and the net currently safeguarded using current increased network load information and the band of position
Network information on load calculates the network load information of the band of position；Or during IP-CAN sessions deletion, using described
Customer charge changes the network load information that information determines current reduction, and the network load information using current reduction and institute
State the network load information that the network load information currently safeguarded the band of position calculates the band of position；Or in IP-CAN
During session modification, change information using the customer charge and determine the network load information that currently changes, and using current
The network load information that the network load information of change and the band of position are currently safeguarded calculates the net of the band of position
Network information on load.
User position information includes one below or any combination：Access network type, network insertion provide
Trade mark knowledge, Base Station Identification, cell ID, service set, basic service set identification；The customer charge change information include with
One of lower or any combination：User's mark, increase, carrying mark, increase or the carrying mark deleted for deleting either modification
Authorized bandwidth information, the change information for carrying authorized bandwidth corresponding to mark of modification corresponding to knowledge；The net of the band of position
Network information on load includes one below or any combination：The number of users of the band of position, carrying number, authorized bandwidth.
The processing module, it is additionally operable to when the band of position is specially serving cell, and the user position is believed
When breath includes cell ID, after serving cell is determined using user position information, the serving cell pair is determined
The neighbor cell answered, determine the network load information of the neighbor cell；The sending module, it is additionally operable to real to the PCRF
When body sends network load information renewal confirmation message, the phase is also carried in the network load information updates confirmation message
The network load information of adjacent cell.
The processing module, further it is additionally operable to it is determined that neighbor cell corresponding to the serving cell, and described in determining
After the network load information of neighbor cell, judge whether the network load information of the serving cell is more than default load door
Limit；The sending module, it is additionally operable to when more than default load thresholding, all into the serving cell are in connected state
User equipment (UE) sends network load information notification message, and the serving cell is carried in the network load information notification message
Network load information and the neighbor cell network load information.
Compared with prior art, the embodiment of the present invention at least has advantages below：In the embodiment of the present invention, ANDSF entities
Receiving from PCRF (Policy and Charging Rule Function, strategy and charging control function) entity
When network load information changes instruction message, network load information can be utilized to change the current sessions mistake carried in instruction message
User position information and customer charge in journey change the network load information in information calculation position region, so as to avoid
Network management system periodically sends network load information to ANDSF entities, efficiently solves cycle timer and sets long report
Information on load is inaccurate, it is too short to set and aggravates the problem of equipment room handles expense.Further, ANDSF entities are obtained
Network load information is not the statistical result using certain time as granularity, but the result calculated in real time, and accuracy is high, refers to
Property is strong.Further, ANDSF entities calculate the network load information in user position region and are sent to UE in real time, significantly
The accuracy that UE obtains network load information is improved, so as to more effectively realize Network finding and selection, to improving net
Network resource utilization and lifting Consumer's Experience are significant.
Brief description of the drawings
In order to clearly illustrate the technical scheme of the embodiment of the present invention, institute in being described below to the embodiment of the present invention
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, it can also be implemented according to the present invention
These accompanying drawings of example obtain other accompanying drawings.
Fig. 1 is a kind of schematic diagram for network architecture that the embodiment of the present invention one proposes；
Fig. 2 is a kind of Notification Method schematic flow sheet for network load information that the embodiment of the present invention one proposes；
Fig. 3-Fig. 5 is the notice schematic flow sheet of the concrete application scene proposed in the embodiment of the present invention one；
Fig. 6 is a kind of structural representation of the ANDSF entities proposed in the embodiment of the present invention two.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
Embodiment one
For problems of the prior art, the embodiment of the present invention one provides a kind of notice side of network load information
Method, the application scenarios schematic diagram using the network architecture shown in Fig. 1 as the embodiment of the present invention.ANDSF entities are connected with PCRF entities,
PCRF entities and multiple PCEF (Policy Charging Enforcement Function, policy and charging enforcement function) entity
It is connected.Wherein, ANDSF entities are different logic entities from PCRF entities, can be deployed on a physical entity, can also
It is deployed on different physical entities.PCEF entities are logic entity, for 2G GERAN (GSM EDGE Radio Access
Network, the Radio Access Network of global system for mobile communications/enhanced data rates for gsm evolution) network and 3G UTRAN
(Universal Terrestrial Radio Access Network, Universal Terrestrial wireless access network) network is (such as：TD-
(Time Division-Synchronous Code Division Multiple Access, time division synchronous code division are more by SCDMA
Location) and WCDMA (Wideband Code Division Multiple Access, WCDMA) etc.), PCEF entities
Corresponding physical entity can be GGSN (Gateway GPRS Support Node, Gateway GPRS Support Node)；For 4G's
(Evolved Universal Terrestrial Radio Access Network, the general land of evolution is wireless by E-UTRAN
Access network) network (such as TDD (Time Division Duplexing, time division duplex)-LTE (Long Term Evolution,
Long Term Evolution) and FDD (Frequency Division Duplex, FDD)-LTE etc.), WLAN (Wireless
Local Area Network, WLAN), WiMAX (Worldwide Interoperability for Microwave
Access, worldwide interoperability for microwave accesses) etc. non-3 gpp standard access network, physical entity corresponding to PCEF entities is P-GW
(Packet Data Network Gateway, packet data network gateway).2G networks and 3G network can share same
GGSN, different GGSN can also be used.In addition, GGSN and P-GW can use independent physical equipment, can also merge
In one physical equipment.As shown in figure 1, a PCEF entity can correspond to one or more mobile network.Need what is illustrated
It is that different mobile networks can be continuous covering either with covering.
, it is necessary to provide the Network planning information of institute compass of competency, the network planning for ANDSF entities in the embodiment of the present invention
Information include but is not limited to the positional information that the related access network type in the region and quantity, different access network types covered,
Neighboring BS relationship between different access network types and in same access network type between cell etc..Further, initialization is each
The information on load of each cell is 0 under access network type.
As shown in Fig. 2 the Notification Method of the network load information specifically may comprise steps of：
Step 201, ANDSF entities receive the network load information change instruction message from PCRF entities, and the network is born
Lotus information, which changes, carries user position information during current sessions and customer charge changes letter in instruction message
Breath.Wherein, the user position information of current sessions process includes but is not limited to one below or any combination：Access network
Type, Network Access Provider mark, Base Station Identification, cell ID, service set, basic service set identification, tracking area mark
Knowledge, Location Area Identification, Routing Area Identifier.The customer charge of current sessions process change information include but is not limited to one below or
Person is combined：User's mark, increase, deletion are either corresponding to the carrying mark of modification, increase or the carrying of deletion mark
The change information of authorized bandwidth corresponding to authorized bandwidth information, the carrying mark of modification.
In embodiments of the present invention, network load information changes instruction message and can specifically included but is not limited to：UE's
During IP-CAN (IP Connectivity Access Network, IP connections access network) session establishment, by PCRF entities
The network load information for being sent to ANDSF entities changes instruction message；Or during UE IP-CAN sessions are deleted, by
The network load information that PCRF entities are sent to ANDSF entities changes instruction message；Or the IP-CAN session modification mistakes in UE
Cheng Zhong, the network load information that ANDSF entities are sent to by PCRF entities change instruction message.
Step 202, ANDSF entities determine the band of position, and profit using the user position information of current sessions process
The network load information of the band of position is calculated with the customer charge change information of current sessions process.Wherein, the band of position
The coverage of serving cell or base station can be included but is not limited to.
In the embodiment of the present invention, the network load information of the band of position is specifically including but not limited to one below or appointed
Meaning combination：The number of users of the band of position, carrying number, authorized bandwidth.
In the embodiment of the present invention, ANDSF entities are born when receiving network load information change instruction message based on network
Lotus information changes the user position information carried in instruction message, and ANDSF entities can find user position information
The band of position (such as serving cell, base station range) corresponding to current.
In the embodiment of the present invention, ANDSF entities change information calculation position area using the customer charge of current sessions process
The process of the network load information in domain, is specifically including but not limited to following manner：During IP-CAN session establishments, ANDSF
Entity changes information using customer charge and determines current increased network load information, and utilizes current increased network load letter
The network load information in the network load information calculation position region that breath and the band of position are currently safeguarded；Or in IP-CAN
During session is deleted, ANDSF entities change information using customer charge and determine the network load information of current reduction, and utilize
The network in the network load information calculation position region that the network load information of current reduction and the band of position are currently safeguarded is born
Lotus information；Or during IP-CAN session modifications, ANDSF entities change information using customer charge and determine current change
Network load information, and the network load information currently safeguarded using the network load information that currently changes and the band of position
The network load information in calculation position region.
Specifically, in view of establishing process in IP-CAN, it is (no if new user is increased by that number of users may be increased
Do not increase then), carrying number and bandwidth can be increased；Process is deleted in IP-CAN, number of users, carrying number and bandwidth can be reduced；In IP-
CAN changes process, will not change number of users, but is probably deleting bearing, increase carrying or modification bandwidth.Based on this, in IP-
During CAN session establishments, ANDSF entities are identified using the location of user during current sessions information and user and determined
The band of position currently increased number of users, and the number of users meter currently safeguarded using current increased number of users and the band of position
Calculate the number of users of the band of position；Position is determined using the location of user during current sessions information and increased carrying mark
Region currently increased carrying number is put, and the carrying number currently safeguarded using current increased carrying number and the band of position is calculated
The carrying number of the band of position；ANDSF entities utilize the location of user during current sessions information and increased carrying mark
Authorized bandwidth information corresponding to knowledge determines the band of position currently increased authorized bandwidth, and using current increased authorized bandwidth with
And the authorized bandwidth in the calculation position of authorized bandwidth region that the band of position is currently safeguarded.Or deleted in IP-CAN sessions
During, ANDSF entities are identified using the location of user during current sessions information and user and determine that the band of position is worked as
The number of users of preceding reduction, and the number of users calculation position region currently safeguarded using the number of users of current reduction and the band of position
Number of users；ANDSF entities determine position using the location of user during current sessions information and the carrying deleted mark
The carrying number of the current reduction in region is put, and the carrying number currently safeguarded using the carrying number of current reduction and the band of position is calculated
The carrying number of the band of position；ANDSF entities utilize the location of user during current sessions information and the carrying mark deleted
Authorized bandwidth information corresponding to knowledge determines the authorized bandwidth of current reduction, and the authorized bandwidth using current reduction and position area
The authorized bandwidth in the calculation position of the authorized bandwidth region that domain is currently safeguarded.Or during IP-CAN session modifications,
ANDSF entities utilize authorized bandwidth corresponding to the location of user during current sessions information and the carrying mark of modification
Change information determines the authorized bandwidth currently changed, and currently safeguarded using the authorized bandwidth and the band of position currently changed
The authorized bandwidth in authorized bandwidth calculation position region；ANDSF entities utilize the location of user during current sessions
Information and increased carrying mark determine the band of position currently increased carrying number, and utilize current increased carrying number and position
Put the carrying number in the carrying number calculation position region currently safeguarded in region；ANDSF entities utilize user institute during current sessions
Authorized bandwidth information corresponding to the positional information at place and increased carrying mark determines current increased authorized bandwidth, and utilizes and work as
The authorized bandwidth in the calculation position of the authorized bandwidth region that preceding increased authorized bandwidth and the band of position are currently safeguarded；
ANDSF entities determine that the band of position is current using the location of user during current sessions information and the carrying deleted mark
The carrying number of reduction, and the carrying number calculation position region currently safeguarded using the carrying number of current reduction and the band of position
Carry number；ANDSF entities are awarded using corresponding to the location of user during current sessions information and the carrying deleted mark
Power bandwidth information determines the authorized bandwidth of current reduction, and is currently safeguarded using the authorized bandwidth of current reduction and the band of position
The calculation position of authorized bandwidth region authorized bandwidth.
ANDSF entities are after the number of users of the band of position is calculated, also using the use of the band of position currently calculated
The number of users of amount more new location area leading dimension shield.ANDSF entities are also available after the carrying number of the band of position is calculated
The carrying number of the carrying number more new location area leading dimension shield of the band of position currently calculated.ANDSF entities are calculating position
It is also current using the more new location area of authorized bandwidth of the band of position currently calculated after putting the authorized bandwidth in region
The authorized bandwidth safeguarded.
Step 203, ANDSF entities send network load information renewal confirmation message to PCRF entities；Wherein, the network is born
The network load information of the band of position is carried in lotus information updating confirmation message.
In the embodiment of the present invention, when the band of position is serving cell, and user position information includes cell ID,
ANDSF entities can also determine to service small after serving cell is determined using the user position information of current sessions process
Neighbor cell corresponding to area, and determine the network load information of neighbor cell.Further, ANDSF entities are to PCRF entities
When sending network load information renewal confirmation message, neighbor cell can also be carried in network load information renewal confirmation message
Network load information.
In the embodiment of the present invention, ANDSF entities can be planned according to neighboring BS relationship, determine adjacent small corresponding to serving cell
Area, and determine network load information (number of users that i.e. neighbor cell is currently safeguarded, carrying number, the authorized bandwidth of neighbor cell
Deng).PCRF entities are when receiving the renewal confirmation message of the network load information from ANDSF entities, the network load information
Update the network load information and the network load information of neighbor cell that will carry serving cell in confirmation message.Afterwards, PCRF
The network load information of the network load information of serving cell and neighbor cell is sent to PCEF entities by entity, by PCEF entities
The network load information of the network load information of serving cell and neighbor cell is sent to corresponding UE.
In the embodiment of the present invention, ANDSF entities determine neighbor cell corresponding to serving cell, and determine the net of neighbor cell
After network information on load, ANDSF entities can also judge whether the network load information of serving cell is more than default load thresholding.Such as
Fruit is more than default load thresholding, then all UEs in connected state of the ANDSF entities into serving cell send network load letter
Notification message is ceased, the network load information of serving cell and the net of neighbor cell are carried in the network load information notification message
Network information on load.If no more than default load thresholding, ANDSF entities need not send network load information notification message.
In the said process of the embodiment of the present invention, it is small that UE can obtain service by the signaling procedure between core network
The network load information in area and the network load information of neighbor cell.It should be noted that network load information can be small
The other forms such as area's information on load or load of base station information.
Based on above-mentioned technical proposal, in the embodiment of the present invention, ANDSF entities are born receiving the network from PCRF entities
When lotus information changes instruction message, network load information can be utilized to change in instruction message during the current sessions that carry
User position information and customer charge change the network load information in information calculation position region, so as to avoid webmaster system
System periodically sends network load information to ANDSF entities, efficiently solves cycle timer and sets and long reports load to believe
Breath is inaccurate, it is too short to set and aggravates the problem of equipment room handles expense.Further, the network that ANDSF entities are obtained is born
Lotus information is not the statistical result using certain time as granularity, but the result calculated in real time, and accuracy is high, and referring to property is strong.
ANDSF entities calculate the network load information in user position region and are sent to UE in real time, substantially increase UE and obtain net
The accuracy of network information on load, so as to more effectively realize Network finding with selection, to improve network resource utilization and
It is significant to lift Consumer's Experience.
The technical scheme of the embodiment of the present invention is described in detail below in conjunction with specific application scenarios.
Application scenarios 1.In the embodiment of the present invention, process is established in the IP-CAN sessions for UE, as shown in figure 3, the net
The Notification Method of network information on load specifically may comprise steps of：
Step 1, PCEF entities send IP-CAN session establishments instruction message to PCRF entities.
Step 2, PCRF entities carry out strategy decision according to the user profile and business information of signing, it is determined that corresponding PCC
(Policy Charging Control, policy and charging control) rule.
Step 3, PCRF entities send network load information to ANDSF entities and change instruction message.Wherein, the network load
Information changes the user position information and customer charge change letter that can be carried in instruction message in this conversation procedure
Breath.User position information includes but is not limited to one below or any combination：Access network type, Network Access Provider
Mark, Base Station Identification, cell ID, service set, basic service set identification, tracking area identification, Location Area Identification, Route Area
Mark.The customer charge of current sessions process changes information and includes but is not limited to one below or any combination：User's mark,
Authorized bandwidth information corresponding to increased carrying mark, increased carrying mark.
The network load information that step 4, ANDSF entities are sent according to PCRF entities changes the letter carried in instruction message
Breath, calculates the network load information of serving cell, and determine the network load information of neighbor cell.Wherein, network load information
Including but not limited to number of users, carrying number, authorized bandwidth etc..
Step 5, ANDSF entities send network load information renewal confirmation message, the network load information to PCRF entities
Update the network load information of the neighbor cell of the network load information that serving cell is carried in confirmation message and serving cell, phase
Adjacent cell and the cell that serving cell can be different access network types.
Step 6, PCRF entities send IP-CAN session establishment confirmation messages to PCEF entities, and IP-CAN session establishments confirm
Message carries network load information, the network load information of neighbor cell of serving cell.
Application scenarios 2.In the embodiment of the present invention, for the modification process of UE IP-CAN sessions, as shown in figure 4, the net
The Notification Method of network information on load specifically may comprise steps of：
Step 1, PCRF entities carry out strategy decision, initiate IP-CAN session modification processes.
Step 2, PCRF entities send network load information to ANDSF entities and change instruction message.Wherein, the network load
Information, which changes, indicates that message can carry the user position information in this conversation procedure and customer charge changes information.
The user position information of current sessions process includes but is not limited to one below or any combination：Access network type, network
Access provider's mark, Base Station Identification, cell ID, service set, basic service set identification, tracking area identification, position area
Mark, Routing Area Identifier.The customer charge of current sessions process changes information and includes but is not limited to one below or any combination：
User's mark, the carrying of modification identify, the change information of authorized bandwidth corresponding to the carrying mark of modification.
The network load information that step 3, ANDSF entities are sent according to PCRF entities changes the letter carried in instruction message
Breath, calculates the network load information of serving cell, and determine the network load information of neighbor cell.Wherein, network load information
Including but not limited to number of users, carrying number, authorized bandwidth etc..
Step 4, ANDSF entities send network load information renewal confirmation message, the network load information to PCRF entities
Update the network load information of the neighbor cell of the network load information that serving cell is carried in confirmation message and serving cell, phase
Adjacent cell and the cell that serving cell can be different access network types.
Step 5, PCRF entities send PCC rules to PCEF entities and provide message, are carried in PCC rule offer message new
PCC rules (when PCRF entities carry out strategy decision i.e. in step 1, it is determined that new PCC it is regular), the network of serving cell bears
Lotus information and the network load information of neighbor cell.
Step 6, PCEF entities send PCC rules to PCRF entities and provide confirmation message.
Application scenarios 3.In the embodiment of the present invention, for the deletion process of UE IP-CAN sessions, as shown in figure 5, the net
The Notification Method of network information on load specifically may comprise steps of：
Step 1, PCEF entities send IP-CAN session terminations instruction message to PCRF entities.
Step 2, PCRF entities determine impacted PCC rules.
Step 3, PCRF entities send network load information to ANDSF entities and change instruction message.Wherein, the network load
Information changes the user position information and customer charge change letter that can be carried in instruction message in this conversation procedure
Breath.The user position information of current sessions process includes but is not limited to one below or any combination：Access network type,
Network Access Provider mark, Base Station Identification, cell ID, service set, basic service set identification, tracking area identification, position
Put area's mark, Routing Area Identifier.The customer charge of current sessions process changes information and includes but is not limited to one below or appoint
Meaning combination：User's mark, the carrying deleted identify, authorized bandwidth information corresponding to the carrying of deletion mark.
The network load information that step 4, ANDSF entities are sent according to PCRF entities changes the letter carried in instruction message
Breath, calculates the network load information of serving cell, and determine the network load information of neighbor cell.Wherein, network load information
Including but not limited to number of users, carrying number, authorized bandwidth etc..
Step 5, ANDSF entities send network load information renewal confirmation message, the network load information to PCRF entities
Update the network load information of the neighbor cell of the network load information that serving cell is carried in confirmation message and serving cell, phase
Adjacent cell and the cell that serving cell can be different access network types.
Step 6, PCRF entities send IP-CAN session termination confirmation messages to PCEF entities, and IP-CAN session terminations confirm
Message carries network load information, the network load information of neighbor cell of serving cell.
Application scenarios 4.For other connected state UE under serving cell, IP-CAN session establishments in certain UE, change, delete
During removing, ANDSF entities receive the network load information that PCRF entities are sent and change instruction message, and the network load information changes
Become in instruction message the user position information and customer charge change information carried in this conversation procedure.Current sessions
The user position information of process includes but is not limited to one below or any combination：Access network type, network insertion carry
For trade mark knowledge, Base Station Identification, cell ID, service set, basic service set identification, tracking area identification, Location Area Identification, road
Identified by area.The customer charge of current sessions process changes information and includes but is not limited to one below or any combination：User
Identify, increase, deleting carrying authorized bandwidth information corresponding to the carrying mark for identifying, increasing or deleting, repairing for either modification
The change information of authorized bandwidth corresponding to the carrying mark changed.The network load information that ANDSF entities are sent according to PCRF entities
Change the information carried in instruction message, calculate the network load information of serving cell, and determine the network load of neighbor cell
Information.Network load information includes but is not limited to number of users, carrying number, authorized bandwidth etc..ANDSF entities judge serving cell
Network load information whether be more than default load thresholding, if it is, being pushed to other connected state UE under the serving cell
Network load information notification message is accessed, the network load letter of serving cell is carried in the access network load information notification message
Breath and the network load information of neighbor cell.
In above-mentioned application scenarios 1, application scenarios 2, application scenarios 3, application scenarios 4, PCRF entities need real to PCEF
Body customized locations change the event triggering of (such as serving cell change), and so when user moves, network can is grasped in real time
The change situation of user present position information.
Based on the inventive concept same with the above method, additionally provided in the embodiment of the present invention a kind of access network discovery and
Selection function ANDSF entities, as shown in fig. 6, the ANDSF entities specifically include：
Receiving module 11, refer to for receiving the network load information change from strategy and charging control function PCRF entities
Show message；Wherein, the network load information changes the user position carried in instruction message during current sessions
Information and customer charge change information；
Processing module 12, for determining the band of position using user position information, and born using the user
Lotus changes the network load information that information calculates the band of position；
Sending module 13, for sending network load information renewal confirmation message to the PCRF entities；The network is born
The network load information of the band of position is carried in lotus information updating confirmation message.
In the embodiment of the present invention, the processing module 12, specifically for changing information calculating using the customer charge
During the network load information of the band of position, during IP connection access network IP-CAN session establishments, the user is utilized
Changing load information determines current increased network load information, and utilizes current increased network load information and institute's rheme
Put the network load information that the network load information currently safeguarded in region calculates the band of position；Or in IP-CAN sessions
During deletion, the network load information of current reduction is determined using customer charge change information, and reduce using current
Network load information and the network load information currently safeguarded of the band of position calculate the network of the band of position and bear
Lotus information；Or during IP-CAN session modifications, change information using the customer charge and determine the network that currently changes
Information on load, and the network load information meter currently safeguarded using the network load information and the band of position that currently change
Calculate the network load information of the band of position.
User position information includes one below or any combination：Access network type, network insertion provide
Trade mark knowledge, Base Station Identification, cell ID, service set, basic service set identification；The customer charge change information include with
One of lower or any combination：User's mark, increase, carrying mark, increase or the carrying mark deleted for deleting either modification
Authorized bandwidth information, the change information for carrying authorized bandwidth corresponding to mark of modification corresponding to knowledge；The net of the band of position
Network information on load includes one below or any combination：The number of users of the band of position, carrying number, authorized bandwidth.
In the embodiment of the present invention, the processing module 12, it is additionally operable to when the band of position is specially serving cell, and institute
When stating user position information includes cell ID, after serving cell is determined using user position information,
Neighbor cell corresponding to the serving cell is determined, and determines the network load information of the neighbor cell；The sending module
13, it is additionally operable to when sending network load information renewal confirmation message to the PCRF entities, in the network load information more
The network load information of the neighbor cell is also carried in new confirmation message.
In the embodiment of the present invention, the processing module 12, it is additionally operable to it is determined that neighbor cell corresponding to the serving cell,
And after determining the network load information of the neighbor cell, judge whether the network load information of the serving cell is more than and preset
Load thresholding；The sending module 13, it is additionally operable to when more than default load thresholding, all into the serving cell are in
The user equipment (UE) of connected state sends network load information notification message, carried in the network load information notification message described in
The network load information of serving cell and the network load information of the neighbor cell.
Wherein, the modules of apparatus of the present invention can be integrated in one, and can also be deployed separately.Above-mentioned module can close
And be a module, multiple submodule can also be further split into.
Through the above description of the embodiments, those skilled in the art can be understood that the present invention can be by
Software adds the mode of required general hardware platform to realize, naturally it is also possible to which by hardware, but the former is more in many cases
Good embodiment.Based on such understanding, what technical scheme substantially contributed to prior art in other words
Part can be embodied in the form of software product, and the computer software product is stored in a storage medium, if including
It is dry to instruct to cause a computer equipment (be personal computer, server, or network equipment etc.) to perform this hair
Method described in bright each embodiment.It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment,
Module or flow in accompanying drawing are not necessarily implemented necessary to the present invention.It will be appreciated by those skilled in the art that in embodiment
Device in module can according to embodiment describe be distributed in the device of embodiment, respective change position can also be carried out
In one or more devices different from the present embodiment.The module of above-described embodiment can be merged into a module, can also
It is further split into multiple submodule.The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.With
Several specific embodiments of the upper disclosed only present invention, still, the present invention is not limited to this, any those skilled in the art
Member can think of change should all fall into protection scope of the present invention.
Claims (8)
1. a kind of Notification Method of network load information, it is characterised in that the described method comprises the following steps：Access network discovery
The network load information change instruction from strategy and charging control function PCRF entities is received with selection function ANDSF entities to disappear
Breath；Wherein, the network load information changes the user position information carried in instruction message during current sessions
And customer charge changes information；
The ANDSF entities determine the band of position using user position information, and are changed using the customer charge
Information calculates the network load information of the band of position；
The ANDSF entities send network load information renewal confirmation message to the PCRF entities；Wherein, the network load
The network load information of the band of position is carried in information updating confirmation message；
Methods described further comprises：
It is described when the band of position is specially serving cell, and user position information includes cell ID
ANDSF entities determine phase corresponding to the serving cell after serving cell is determined using user position information
Adjacent cell, and determine the network load information of the neighbor cell；
The ANDSF entities to the PCRF entities when sending network load information renewal confirmation message, the network load
The network load information of the neighbor cell is also carried in information updating confirmation message.
2. the method as described in claim 1, it is characterised in that the ANDSF entities change information using the customer charge
The network load information of the band of position is calculated, is specifically included：
During IP connection access network IP-CAN session establishments, the ANDSF entities change information using the customer charge
It is determined that current increased network load information, and currently safeguarded using current increased network load information and the band of position
Network load information calculate the network load information of the band of position；Or, during IP-CAN sessions deletion, it is described
ANDSF entities determine the network load information of current reduction using customer charge change information, and utilize what is currently reduced
The network load information that network load information and the band of position are currently safeguarded calculates the network load letter of the band of position
Breath；Or, during IP-CAN session modifications, the ANDSF entities change information using the customer charge and determine current become
The network load information of change, and the network load currently safeguarded using the network load information and the band of position that currently change
Information calculates the network load information of the band of position.
3. method as claimed in claim 1 or 2, it is characterised in that user position information specifically include it is following it
One or any combination：Access network type, Network Access Provider mark, Base Station Identification, cell ID, service set, base
This service set；The customer charge changes information and specifically includes one below or any combination：User mark, increase,
Authorized bandwidth information, the carrying mark of modification corresponding to the carrying mark for deleting either modification, the carrying mark for increasing or deleting
The change information of authorized bandwidth corresponding to knowledge；The network load information of the band of position specifically includes one below or any
Combination：The number of users of the band of position, carrying number, authorized bandwidth.
4. the method as described in claim 1, it is characterised in that the ANDSF entities determine phase corresponding to the serving cell
Adjacent cell, and after determining the network load information of the neighbor cell, in addition to：
The ANDSF entities judge whether the network load information of the serving cell is more than default load thresholding；If it is,
All user equipment (UE)s in connected state of the ANDSF entities into the serving cell send network load information notice
Message, the network load information of the serving cell and the neighbor cell are carried in the network load information notification message
Network load information.
5. a kind of access network discovery and selection function ANDSF entities, it is characterised in that the ANDSF entities specifically include：
Receiving module, disappear for receiving the network load information change instruction from strategy and charging control function PCRF entities
Breath；Wherein, the network load information changes the user position information carried in instruction message during current sessions
And customer charge changes information；
Processing module, for determining the band of position using user position information, and changed using the customer charge
Information calculates the network load information of the band of position；
Sending module, for sending network load information renewal confirmation message to the PCRF entities；Wherein, the network load
The network load information of the band of position is carried in information updating confirmation message；
The processing module, it is additionally operable to when the band of position is specially serving cell, and user position packet
When including cell ID, after serving cell is determined using user position information, determine that the serving cell is corresponding
Neighbor cell, and determine the network load information of the neighbor cell；The sending module, it is additionally operable to real to the PCRF
When body sends network load information renewal confirmation message, the phase is also carried in the network load information updates confirmation message
The network load information of adjacent cell.
6. ANDSF entities as claimed in claim 5, it is characterised in that
The processing module, specifically for changing the network load of the information calculating band of position using the customer charge
During information, during IP connection access network IP-CAN session establishments, change information using the customer charge and determine current increase
The network load information added, and the network currently safeguarded using current increased network load information and the band of position is born
Lotus information calculates the network load information of the band of position；Or during IP-CAN sessions deletion, utilize the user
Changing load information determines the network load information of current reduction, and utilizes the network load information and institute's rheme of current reduction
Put the network load information that the network load information currently safeguarded in region calculates the band of position；Or in IP-CAN sessions
During modification, change information using the customer charge and determine the network load information that currently changes, and utilize current change
Network load information and the network load information currently safeguarded of the band of position calculate the network of the band of position and bear
Lotus information.
7. the ANDSF entities as described in claim 5 or 6, it is characterised in that user position information specifically include with
One of lower or any combination：Access network type, Network Access Provider mark, Base Station Identification, cell ID, services set mark
Know, basic service set identification；The customer charge changes information and specifically includes one below or any combination：User's mark,
Increase, delete either modification carrying mark, increase or delete carrying mark corresponding to authorized bandwidth information, modification hold
Carry the change information of authorized bandwidth corresponding to mark；The network load information of the band of position specifically include one below or
Any combination：The number of users of the band of position, carrying number, authorized bandwidth.
8. ANDSF entities as claimed in claim 5, it is characterised in that the processing module, be additionally operable to it is determined that the service
Neighbor cell corresponding to cell, and after determining the network load information of the neighbor cell, judge the network of the serving cell
Whether information on load is more than default load thresholding；The sending module, it is additionally operable to when more than default load thresholding, to the clothes
All user equipment (UE)s in connected state in cell of being engaged in send network load information notification message, the network load information
The network load information of the serving cell and the network load information of the neighbor cell are carried in notification message.
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| CN201410666108.4A CN104507099B (en) | 2014-11-19 | 2014-11-19 | The Notification Method and equipment of a kind of network load information |
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| CN104507099B true CN104507099B (en) | 2018-03-30 |
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