CN104735646B - The method and system of differentiated service under a kind of POOL network environments - Google Patents
The method and system of differentiated service under a kind of POOL network environments Download PDFInfo
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- CN104735646B CN104735646B CN201310712478.2A CN201310712478A CN104735646B CN 104735646 B CN104735646 B CN 104735646B CN 201310712478 A CN201310712478 A CN 201310712478A CN 104735646 B CN104735646 B CN 104735646B
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Abstract
The invention discloses a kind of method and system of differentiated service under POOL network environments, this method is：SGSN receives Client-initiated service request, when not including the NRI of this SGSN in determining the service request, the APN information of user is obtained from HLR, judges whether user belongs to this SGSN；If so, related service is then used using the first PTMSI for the first PTMSI of NRI of user's distribution comprising this SGSN, instruction user；Otherwise, based on the APN information, according to pre-defined APN information and PTMSI sections of correspondence, corresponding 2nd PTMSI is distributed for user, include the NRI of another SGSN in 2nd PTMSI, instruction user resends service request using the 2nd PTMSI to another SGSN.The differentiated service in SGSN POOL is realized, reduces the complexity and O＆M cost of O＆M means.
Description
Technical field
The present invention relates to the side of differentiated service under moving communicating field, more particularly to a kind of pond group (POOL) network environment
Method and system.
Background technology
As shown in fig.1, current group exchanges (Packet Switched, PS) core net by service universal grouping wireless
Service support node (Serving GPRS Support Node, SGSN), name server (Domain Name System,
DNS), interconnection agreement (Internet Protocol, IP) routing device, Gateway GPRS Support Node (Gateway between network
GPRS Support Node, GGSN) and fire wall composition.The operational system of current PS core network elements is set based on traditional network
Standby way to manage, using user terminal → SGSN → Access Point Name (Access Point Name, APN) → DNS → GGSN's
Flow, realizes customer service.
To improve redundancy ability, SGSN networkings at present are by the way of SGSN Pool.As shown in fig.2, SGSN Pool
Appearance, with pond prescription formula work mechanism, broken base station controller (Base Station Controller, BSC)/nothing
Line network controller (Radio Network Controller, RNC) man-to-man control planning between SGSN.SGSN
Include all route (RA) regions for the BSC/RNC that one group of SGSN node is serviced in Pool regions.In SGSN Pool regions
Inside there are multiple SGSN concurrently to run, they share the business in SGSN Pool regions jointly.As mobile station (Mobile
Station, MS) in SGSN Pool Radio Resource covering under when, it only by a SGSN in the SGSN Pool regions
Node is serviced.When MS is roamed in SGSN Pool regions, SGSN nodes are serviced without changing it, so as to reduce SGSN sections
SGSN Pool, therefore, can be regarded as an open-ended large size SGSN by renewal, switching and migration between point.
One SGSN Pool region provides service jointly by one or more SGSN nodes.One BSC/PCU node it is complete
Whole coverage belongs to one or more SGSN Pool region.BSC/RNC nodes are reachable to that should have between multiple SGSN nodes
Route, while BSC/RNC should possess node selection function, and suitable SGSN can be selected to provide service for MS.
After user enters SGSN POOL regions, BSC/RNC can assign the user to SGSN POOL in a manner of poll
A SGSN in region, the SGSN distribute a network resource identifier containing this SGSN identification informations to user immediately
Packet temporarily moved subscriber identification (the Packet Temporary Mobile of (Network Resource Identity, NRI)
Subscriber Identities, PTMSI) coding, as shown in figure 3, the information is the 14-23 positions of PTMSI codings.After user
Continue and moved in SGSN POOL regions and during using business, BSC/RNC can identify user's original according to the NRI fields of the user
The association requests of the user are directly sent to corresponding SGSN by the SGSN of registration.SGSN is received the APN of the user after request
Information is sent to DNS, and the parsing of APN information is realized by DNS, GGSN where customer service is specified by the way of the poll
Location, is associated with GGSN by various IP interconnection equipments, the APN business of user is finally realized by GGSN.
However, traditional PS core nets are limited by network physical topology, district management can only be used, and traditional O＆M
System also can not carry out service class identification according to operation analysis system to the statistical value of the contribution rate of user, can not differentiate high price
It is worth user, ordinary user and low value user, indifference management can only be carried out to all users in region, therefore can not specific aim
Ground provides service guarantee for high-value user, can only carry out the high standard O＆M of the whole network member.With user service data at double
Increase, the scale of core net and the scale of operational system are also increasingly huge, and high O＆M cost, the business of high-value user are protected
Hindering the cost control brought with increasingly fierce market competition will be conflicting.
As the construction of SGSN Pool finishes, although the physical topology limit bottleneck between SGSN Pool and wireless net member is
Through breaking through, but current SGSN Pool are managed still according to traditional district management mode, and excessive SGSN Pool
More complexity can be brought to later stage O＆M.
The content of the invention
The embodiment of the present invention provides a kind of method and system of differentiated service under POOL network environments, to user into
Row service class identifies, carries out difference management to the user in region, provides emphasis service for high-value user, be ordinary user
Standards service is provided, low cost service is provided for low value user, reduces the cost of O＆M and the complexity of later stage O＆M.
Concrete technical scheme provided in an embodiment of the present invention is as follows：
In a first aspect, under a kind of POOL network environments differentiated service method, including：
SGSN receives Client-initiated service request；
The SGSN obtains the user when not including the NRI of the SGSN in determining the service request from HLR
APN information, and judge whether the user belongs to the SGSN based on the APN information；
If so, then the SGSN is the first PTMSI of NRI of the user distribution comprising the SGSN, instruction user is adopted
Related service is used with the first PTMSI；
Otherwise, the SGSN is based on the APN information, is closed according to pre-defined APN information is corresponding with PTMSI sections
System, corresponding 2nd PTMSI is distributed for the user, includes the NRI of another SGSN in the 2nd PTMSI, described in instruction
User resends service request using the 2nd PTMSI to another SGSN.
By this implementation, differential management is carried out to the user in SGSN POOL, for the user of different values
Different service quality is targetedly provided, so as to reduce the holistic cost of later stage O＆M.
With reference to first aspect, in the first possible implementation, further comprise：
It is in advance the corresponding priority of each user setting, and correspond to each user's respectively in initial configuration phase
Priority sets corresponding APN information, and result will be set to preserve in hlr.
By this implementation, the priority of each user is pre-set, and corresponds to different priority and difference is set
APN information, the SGSN of respective service rank is assigned the user to based on APN information for the later stage and is prepared.
With reference to first aspect, in second of possible implementation, when the user does not belong to the SGSN, institute
State SGSN and be based on the APN information, according to pre-defined APN information and PTMSI sections of correspondence, distributed for the user
Corresponding 2nd PTMSI, including：
The SGSN judges whether include special APN character strings in the APN information；
When determining to include special APN character strings in the APN information, the SGSN determines whether the special APN words
Whether the priority of the user of symbol string list sign is high, if so, being then described in the PTMSI sections reserved for the user of high priority
User distributes the 2nd PTMSI, is user's distribution second in the PTMSI sections reserved for the user of low priority otherwise
PTMSI；
When determining not including in the APN information special APN character strings, the SGSN is in the user for high priority and low
It is that the user distributes the 2nd PTMSI in remaining PTMSI sections outside the PTMSI sections of user's distribution of priority.
By this implementation, when the user does not belong to this SGSN, according to the APN information of user, by user's weight
Navigate to corresponding SGSN.
Second of possible implementation with reference to first aspect, it is described for height in the third possible implementation
The PTMSI sections that the user of priority reserves are 0-13 of PTMSI codings, what the user for low priority reserved
PTMSI sections of 24-29 encoded for PTMSI, the PTMSI distributed for the user of high priority and the user of low priority
Remaining PTMSI sections of 14-23 encoded for PTMSI outside section.
In this way, SGSN is matched in advance according to special APN character strings with PTMSI codings.
Any one above-mentioned possible implementation with reference to first aspect, in the 4th kind of possible implementation, into
One step includes：
The SGSN redistributes bag when including the NRI of the SGSN in determining the service request for the user
The 3rd PTMSI containing the NRI, instruction user use related service using the 3rd PTMSI.
By this implementation, SGSN is that the user for belonging to this SGSN distributes PTMSI, is somebody's turn to do as in the user SGSN
The mark of user.
Second aspect, the system of differentiated service under a kind of POOL network environments, including：
Communication unit, for receiving Client-initiated service request；
Confirmation unit, for when not including the NRI of SGSN in determining the service request, the use to be obtained from HLR
The APN information at family, and judge whether the user belongs to the SGSN based on the APN information；
First allocation unit, for when the definite user attaching is in the SGSN, institute to be included for user distribution
The first PTMSI of the NRI of SGSN is stated, instruction user uses related service using the first PTMSI；
Second allocation unit, for when the definite user does not belong to the SGSN, based on the APN information, root
It is corresponding 2nd PTMSI of user distribution according to pre-defined APN information and PTMSI section of correspondence, described second
Include the NRI of another SGSN in PTMSI, indicate that the user is sent out again using the 2nd PTMSI to another SGSN
Send service request.
In this way, cooperating by above-mentioned unit, differential management, pin are carried out to the user in SGSN POOL
Different service quality is targetedly provided to the user of different values, so as to reduce the holistic cost of later stage O＆M.
With reference to second aspect, in the first possible implementation, further comprise：
Initial configuration unit, for being in advance the corresponding priority of each user setting in initial configuration phase, and respectively
The priority of each corresponding user sets corresponding APN information, and result will be set to preserve in hlr.
In this way, initial configuration unit pre-sets the priority of each user, and corresponding different priority sets difference
APN information, the SGSN of respective service rank is assigned the user to based on APN information for the later stage and is prepared.
With reference to second aspect, in second of possible implementation, second allocation unit is specifically used for：
Judge whether include special APN character strings in the APN information；
When determining to include special APN character strings in the APN information, second allocation unit determines whether the spy
Whether the priority of the user of different APN character strings characterization is high, if so, the PTMSI sections then reserved in the user for high priority
In be that the user distributes the 2nd PTMSI, be that the user divides in the PTMSI sections reserved for the user of low priority otherwise
With the 2nd PTMSI；
When determining not including in the APN information special APN character strings, second allocation unit is for high priority
It is that the user distributes the 2nd PTMSI in remaining PTMSI sections outside the PTMSI sections of user and the user of low priority distribution.
In this way, when the second allocation unit confirms that the user does not belong to this SGSN, according to the APN information of user, will use
Family is reoriented to corresponding SGSN.
With reference to second of possible implementation of second aspect, in the third possible implementation, described second
Allocation unit is specifically used for：
The PTMSI for the 0-13 users as the high priority that PTMSI is encoded is reserved for the user of high priority
Section, reserves the PTMSI sections for the 24-29 users as the low priority that PTMSI is encoded for the user of low priority, is
Except the user of high priority and reserving 14-23 of remaining PTMSI codings by the use of outdoor user and being used as institute for low priority
State the user except high priority and the PTMSI sections with outdoor user of low priority.
In this way, the second allocation unit is matched in advance according to special APN character strings with PTMSI codings.
With reference to any one above-mentioned possible implementation of second aspect, in the 4th kind of possible implementation, into
One step includes：
3rd allocation unit, for when including the NRI of SGSN in determining the service request, dividing again for the user
With the 3rd PTMSI comprising the NRI, instruction user uses related service using the 3rd PTMSI.
In this way, the 3rd allocation unit, which is the user for belonging to this SGSN, distributes PTMSI, as the user in the user SGSN
Mark.
Brief description of the drawings
Fig. 1 is PS core net operational system structure diagrams under the prior art；
Fig. 2 is SGSN networking structure schematic diagrames under the prior art；
Fig. 3 is PTMSI coding structure figures under the prior art；
Fig. 4 is the flow chart for realizing differentiated service in the embodiment of the present invention under POOL network environments；
Fig. 5 is the system schematic for realizing differentiated service in the embodiment of the present invention under POOL network environments.
Embodiment
In SGSN POOL regions, targetedly serviced to be realized to user, for example, providing weight for high-value user
Point service, standards service is provided for ordinary user, and providing low cost for low value user services, in the embodiment of the present invention, there is provided
The method and system of differentiated service under a kind of POOL network environments.
The preferred embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.
As shown in fig.4, in the embodiment of the present invention, the specific of differentiated service is realized to the user under POOL network environments
Flow is as follows：
Step 400：SGSN receives Client-initiated service request.
In practical applications, Client-initiated service request, can be attach request or routing update is asked.
When user initiates attachment or routing update is asked, wireless resident accesses net (Residential Access Network, RAN)
NAS Node Selection Function (NAS node selection Function, NNSF) according to NRI in user PTMSI
Routing iinformation is identified, assigns the user to specific SGSN.When in user's first registration to POOL networkings, because without recognizable
NRI, user's poll can be assigned to any one SGSN in POOL groups by wireless net member by NNSF mechanism.
Step 410：SGSN obtains user's when not including the NRI of this SGSN in determining above-mentioned service request from HLR
Access Point Name APN information, and judge whether user belongs to this SGSN based on APN information, if so, step 420 is then performed, it is no
Then, step 430 is performed.
In the embodiment of the present invention, in initial configuration phase, it is corresponding that operation analysis system has been in advance each user setting
Priority, and the priority for corresponding to each user respectively is provided with corresponding APN information, and result will be set to be stored in HLR
In.For example, the service class of user is divided into three different brackets by operation analysis system：High priority, middle priority and low
Priority, and corresponding service class is set for it according to the contribution margin of each user：The service class of high-value user is set
High priority is set to, the service class of ordinary user is arranged to middle priority, the service class of low value user is arranged to
Low priority, meanwhile, for the user of high priority and low priority, define in hlr respectively for characterizing user service
The special APN character strings of rank.
On the other hand, there are multiple SGSN in the group of SGSN POOL ponds, and the quality of service that different SGSN is provided is also different.
In order to realize the fixed direction allocation of the user of different service class, it is necessary to the seeervice level of the user of the good each SGSN carryings of planning in advance
Other and corresponding NRI, and reserve specific PTMSI fields for the user of different service class.In the embodiment of the present invention, for height
The PTMSI sections that the user of priority reserves are 0-13 of PTMSI codings, are the PTMSI sections that the user of low priority reserves
For 24-29 of PTMSI codings, the PTMSI sections distributed except the above-mentioned user for high priority and the user of low priority
Outside remaining PTMSI sections, i.e. PTMSI coding 14-23, be the PTMSI sections reserved for the user of middle priority.
When user initiates attachment or renewal request, SGSN extracts the quality of service of the user from related HLR
The various log-on messages such as (Quality of Service, QoS) and APN information are simultaneously stored in inside this SGSN, and are based on the APN
Determine the service class of the user, judge whether the user of the service class belongs to this SGSN.
Step 420：SGSN be user distribution comprising this SGSN NRI the first PTMSI, instruction user using this first
PTMSI uses related service.
In practical applications, above-mentioned first PTMSI is user identifier of the user in SGSN POOL, and user subsequently exists
Moved in SGSN POOL and during using business, various message communicatings are carried out by the mark.
Step 430：SGSN is based on APN information, according to pre-defined APN information and PTMSI sections of correspondence, for
Corresponding 2nd PTMSI is distributed at family, includes the NRI of another SGSN in the 2nd PTMSI, instruction user using this second
PTMSI resends service request to another SGSN.
Specifically, in the embodiment of the present invention, SGSN first determines whether include special APN character strings in the APN information.
When including special APN character strings in determining the APN information, SGSN determines whether the user of the special APN character strings characterization
Priority whether be high, if so, then in the PTMSI sections reserved for the user of high priority, i.e. 0-13 that PMSI is encoded
Position, the 2nd PTMSI is distributed for user, otherwise, in the PTMSI sections reserved for the user of low priority, i.e. PTMSI encode the
24-29, the 2nd PTMSI is distributed for user.And determine the APN information in do not include special APN character strings when, SGSN for
In remaining PTMSI sections outside the PTMSI sections of the user of high priority and user's distribution of low priority, i.e. PTMSI codings
14-23, the 2nd PTMSI is distributed for user.
Then, SGSN receives (Attach using non-broadcasting Route Area identifier (non-broadcast-RAI) assembling attachment
Accept) information, forces the renewal request of user's launch position, and periodicity routing update time (timer) value is arranged to 4
Second, while the 2nd PTMSI of distribution is handed down to user, triggering user initiates route more again to another SGSN (target SGSN)
Newly.The mark routing iinformation of NRIs of the NNSF of wireless RAN in the 2nd PTMSI of user, hair is asked by the routing update of user
Send to target SGSN.Asked when target SGSN receives Client-initiated routing update, and in the 2nd PTMSI for determining the user
In when including the NRI of target SGSN, determine that the user is the user in this SGSN, redistribute comprising above-mentioned for the user
The 3rd PTMSI of NRI, instruction user use related service using the 3rd PTMSI, wherein, the 3rd PTMSI and second
PTMSI is generally different PTMSI codings.
Further, in the embodiment of the present invention, when SGSN is receiving Client-initiated service request, and the definite service
When the NRI of this SGSN is included in request, the 3rd PTMSI of the NRI comprising this SGSN, instruction user are just redistributed for the user
Related service is used using the 3rd PTMSI.
On the other hand, if the priority of user's service class after a SGSN being registered in SGSN POOL occurs
Change, the APN information of user in hlr can be changed according to the correspondence of priority and APN information through subsystem.HLR is more
After the APN information of SGSN where new user, wait user to initiate periodicity routing update, re-execute step 430.
User subsequently in SGSN POOL during initiating business request, BSC/RNC can according to the NRI in the PTMSI of user,
Identify the SGSN of user registration, the service request of user is sent to corresponding SGSN processing.SGSN receives user's
The APN information of the user is sent to DNS after service request.The APN information solution that DNS is initiated according to the SGSN of different service class
Analysis request, returns to specific GGSN addresses, for example, providing the SGSN of the service APN letters initiated for the user for low priority
Analysis request is ceased, returns to the GGSN addresses of low priority, the SGSN of the service APN initiated are provided for the user for high priority
Information analysis request.Return to the GGSN addresses of high priority.
Based on above-described embodiment, as shown in fig.5, in the embodiment of the present invention, realize that differentiation takes under POOL network environments
The system 50 of business includes：
Communication unit 500, for receiving Client-initiated service request.
Confirmation unit 501, for determine above-mentioned service request in do not include SGSN network resource identifier NRI when, from
The APN information of user is obtained in HLR, and judges whether user belongs to this SGSN based on the APN information.
First allocation unit 502, for when definite user attaching is in this SGSN, including this SGSN's for user's distribution
The first PTMSI of NRI, instruction user use related service using the first PTMSI.
Second allocation unit 503, for when definite user does not belong to this SGSN, based on the APN information, according to advance
The APN information of definition and PTMSI sections of correspondence, distribute corresponding 2nd PTMSI for user, are included in the 2nd PTMSI
There is the NRI of another SGSN, instruction user resends service request using the 2nd PTMSI to another SGSN.
Further, can also include：
Initial configuration unit 504, for being in advance the corresponding priority of each user setting in initial configuration phase, and
The priority for corresponding to each user respectively sets corresponding APN information, and result will be set to preserve in hlr.
Specifically, the second allocation unit 503 first determines whether include special APN character strings in APN information；Determining
When special APN character strings are included in APN information, the second allocation unit 503 determines whether what the special APN character strings were characterized
Whether the priority of user is high, if so, being then user's distribution second in the PTMSI sections reserved for the user of high priority
PTMSI, is that user distributes the 2nd PTMSI in the PTMSI sections reserved for the user of low priority otherwise.On the other hand, true
When determining not including in APN information special APN character strings, the second allocation unit 503 is in the user for high priority and low priority
User's distribution PTMSI sections outside remaining PTMSI sections in be the 2nd PTMSI of user distribution.
Specifically, the second allocation unit 503 has reserved 0-13 works of PTMSI codings for the user of high priority in advance
For the PTMSI sections of the user of high priority, for low priority user reserved PTMSI codings 24-29 conducts it is low excellent
The PTMSI sections of the user of first level, have been reserved with outdoor user remaining for the user except high priority and low priority
14-23 of PTMSI codings are used as its PTMSI sections.
Further, can also include：
3rd allocation unit 505, for when including the NRI of SGSN in determining above-mentioned service request, dividing again for user
The 3rd PTMSI with the NRI comprising this SGSN, instruction user use related service using the 3rd PTMSI.
In conclusion the user that technical solution described in the embodiment of the present invention is provided according to operation analysis system contributes
The data basis that rate is analyzed as O＆M, pre-sets the priority of each user and plans the service class of each SGSN,
High-value user and low value user separate from common standard user, pointedly provide service, so that in SGSN
Differentiated service is carried out in POOL, reduces the complexity and O＆M cost of O＆M means.In addition, the technology of the embodiment of the present invention
Scheme need not change the physical arrangement of existing PS core nets, and correlation function is realized by planning and configuring in advance, and with reference to software
It can be achieved, exploitativeness is strong.
Obviously, those skilled in the art can carry out the embodiment of the present invention various modification and variations without departing from this hair
The spirit and scope of bright embodiment.In this way, if these modifications and variations of the embodiment of the present invention belong to the claims in the present invention
And its within the scope of equivalent technologies, then the present invention is also intended to comprising including these modification and variations.
Claims (8)
1. a kind of method of differentiated service under pond group POOL network environments, it is characterised in that including：
It is in advance the corresponding priority of each user setting, and correspond to the preferential of each user respectively in initial configuration phase
Level sets corresponding Access Point Name APN information, and result will be set to be stored in attaching position register HLR；
Service universal grouping wireless business supporting node SGSN receives the Client-initiated service request；
The SGSN is not when including the network resource identifier NRI of the SGSN in determining the service request, from the HLR
The APN information of the user is obtained, and judges whether the user belongs to the SGSN based on the APN information；
If so, the first packet temporarily moved subscriber identification that then SGSN is NRI of the user distribution comprising the SGSN
Code PTMSI, instruction user use related service using the first PTMSI；
Otherwise, the SGSN is based on the APN information, according to pre-defined APN information and PTMSI sections of correspondence, is
The user distributes corresponding 2nd PTMSI, and the NRI of another SGSN is included in the 2nd PTMSI, indicates that the user adopts
With the 2nd PTMSI service request is resend to another SGSN.
2. the method as described in claim 1, it is characterised in that when the user does not belong to the SGSN, the SGSN
Based on the APN information, according to pre-defined APN information and PTMSI sections of correspondence, distributed for the user corresponding
2nd PTMSI, including：
The SGSN judges whether include special APN character strings in the APN information；
When determining to include special APN character strings in the APN information, the SGSN determines whether the special APN character strings
Whether the priority of the user of characterization is high, if so, being then the user in the PTMSI sections reserved for the user of high priority
The 2nd PTMSI is distributed, is that the user distributes the 2nd PTMSI in the PTMSI sections reserved for the user of low priority otherwise；
When determining not including in the APN information special APN character strings, the SGSN is in the user for high priority and low preferential
It is that the user distributes the 2nd PTMSI in remaining PTMSI sections outside the PTMSI sections of user's distribution of level.
3. method as claimed in claim 2, it is characterised in that described is that the PTMSI sections that the user of high priority reserves are
0-13 of PTMSI codings, described is 24-29 that the PTMSI sections that the user of low priority reserves are PTMSI codings,
Remaining PTMSI sections outside the PTMSI sections of the user's distribution for being the user of high priority and low priority are PTMSI codings
14-23.
4. such as claim 1-3 any one of them methods, it is characterised in that further comprise：
The SGSN is redistributed comprising institute when including the NRI of the SGSN in determining the service request for the user
The 3rd PTMSI of NRI is stated, instruction user uses related service using the 3rd PTMSI.
A kind of 5. system of differentiated service under pond group POOL network environments, it is characterised in that including：
Initial configuration unit, for being in advance the corresponding priority of each user setting, and correspond to respectively in initial configuration phase
The priority of each user sets corresponding Access Point Name APN information, and result will be set to be stored in home location register
In device HLR；
Communication unit, for receiving Client-initiated service request；
Confirmation unit, for determine the service request in do not include SGSN network resource identifier NRI when, from the HLR
The middle APN information for obtaining the user, and described in judging whether the user belong to based on the APN information
SGSN；
First allocation unit, for when the definite user attaching is in the SGSN, being included for user distribution described
The first packet temporary mobile subscriber identity PTMSI of the NRI of SGSN, instruction user is used related using the first PTMSI
Service；
Second allocation unit, for when the definite user does not belong to the SGSN, based on the APN information, according to pre-
The APN information that first defines and PTMSI section of correspondence, are corresponding 2nd PTMSI of user distribution, described second
Include the NRI of another SGSN in PTMSI, indicate that the user is sent out again using the 2nd PTMSI to another SGSN
Send service request.
6. system as claimed in claim 5, it is characterised in that second allocation unit is specifically used for：
Judge whether include special APN character strings in the APN information；
When determining to include special APN character strings in the APN information, it is described special that second allocation unit determines whether
Whether the priority of the user of APN character strings characterization is high, if so, then in the PTMSI sections reserved for the user of high priority
The 2nd PTMSI is distributed for the user, is user's distribution in the PTMSI sections reserved for the user of low priority otherwise
2nd PTMSI；
When determining not including in the APN information special APN character strings, second allocation unit is in the user for high priority
It is that the user distributes the 2nd PTMSI in remaining PTMSI sections outside the PTMSI sections distributed with the user of low priority.
7. system as claimed in claim 6, it is characterised in that second allocation unit is specifically used for：
The PTMSI sections for the 0-13 users as the high priority that PTMSI is encoded are reserved for the user of high priority, are
The user of low priority reserves the PTMSI sections of the 24-29 users as the low priority of PTMSI codings, for except height
The user of priority and the user by the use of open air of low priority reserve 14-23 that remaining PTMSI is encoded and are removed described in
The user of high priority and the PTMSI sections with outdoor user of low priority.
8. such as claim 5-7 any one of them systems, it is characterised in that further comprise：
3rd allocation unit, in determining the service request in the confirmation unit include SGSN NRI when, be the use
The 3rd PTMSI comprising the NRI is redistributed at family, and instruction user uses related service using the 3rd PTMSI.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN101026564A (en) * | 2007-02-05 | 2007-08-29 | 华为技术有限公司 | Method and system for realizing load migration in pool area |
| CN101453687A (en) * | 2007-11-30 | 2009-06-10 | 华为技术有限公司 | Method and system for providing service to customer using SGSN pool, and SGSN pool |
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| CN101026564A (en) * | 2007-02-05 | 2007-08-29 | 华为技术有限公司 | Method and system for realizing load migration in pool area |
| CN101453687A (en) * | 2007-11-30 | 2009-06-10 | 华为技术有限公司 | Method and system for providing service to customer using SGSN pool, and SGSN pool |
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| Title |
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| SGSN Pool相关技术探讨及组网规划;黄嘉;《现代电信科技》;20090115;全文 * |
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