CN101553057B - Method for enlarging bandwidth of base station controller (BSC) and mobile switch (MSC) No. seven signaling link - Google Patents

Method for enlarging bandwidth of base station controller (BSC) and mobile switch (MSC) No. seven signaling link Download PDF

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CN101553057B
CN101553057B CN2008100895961A CN200810089596A CN101553057B CN 101553057 B CN101553057 B CN 101553057B CN 2008100895961 A CN2008100895961 A CN 2008100895961A CN 200810089596 A CN200810089596 A CN 200810089596A CN 101553057 B CN101553057 B CN 101553057B
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signaling
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msc
signaling system
bsc
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CN101553057A (en
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何坚强
杨宝国
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ZTE Corp
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ZTE Corp
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Abstract

The invention discloses a BSC and MSC No. seven signaling link bandwidth enlarging method and a base station controller. The BSC and MSC No. seven signaling link bandwidth enlarging method comprises the following steps: the network element side of the BSC is collocated with a plurality of signaling points, each signaling point is connected with a same target MSC through a No. seven signaling link;No. seven signaling links from each signaling point to the target MSC are indexed by a user-defined index entry; and when the network element side of the BSC uses one signaling point to send an upper -layer service signaling to the target MSC, the BSC firstly selects the index entry and determines an originating signaling point address OPC according to the index entry and then packages the originating signaling point address OPC and the upper layer service signaling to a No. seven signaling and sends the No. seven signaling to the target MSC through the No. seven signaling link corresponding to the originating signaling point address OPC. The invention enlarges the bandwidth of the BSC and the MSC No. seven signaling link by collocating a plurality of No. seven signaling points communicated with the target MSC on a network element of the BSC, thereby solving the problem that the capacity of a single BSC is limited by the bandwidth of the No. seven signaling link.

Description

The method of extended base station controller and mobile switch No. seven signaling link bandwidth enlarging
Technical field
The present invention relates in CDMA mobile communication system,, expand the method for No. seven signaling link bandwidth enlarging between BSC and the MSC by at a plurality of number 7 signalings of single BSC network element deploy.
Background technology
Single BSC in the present CDMA mobile communication system (Base Station Controller, base station controller) network element according to the requirement of operator, develops towards the jumbo direction of high integration always.Because single BSC NE capacity is big more, the scope of its covering is just wide more, and what make that the mobile subscriber does in very big geographic range all is the soft handover of BSC inside, thereby improves network performance; Simultaneously, single BSC NE capacity is big more, and the resource sharing degree of BSC inside is also big more, and this can reduce the construction cost of operator.On the other hand, single BSC NE capacity is big more, and it is just few more to cover the required BSC network element number of the CDMA mobile communication system of certain geographic range, like this, has also reduced the maintenance cost of operator.
The capacity of single BSC network element, one of them restriction are exactly the signaling link bandwidth of BSC and MSC (MobileSwitchingCenter, mobile switch).Under traditional situation, the signaling link between BSC and the MSC adopts the Signaling System Number 7 link, and BSC and MSC dispose a number 7 signaling respectively.When the arrowband of employing 64Kb/s between BSC and MSC Signaling System Number 7 link, be subjected to the constraint of No. seven agreements, maximum between the two configurable 16 signaling links, in this case, the signaling link maximum bandwidth between BSC and the MSC is 1024Kb/s.Under the mobile traffic model of classics, this bandwidth approximately can support the traffic of 4000Erl, and this can't satisfy the requirement of the desired single big capacity BSC of present operator.
At present had some technology to solve the problem that this capacity is subject to bandwidth, such as No. seven employing 2M signaling links, perhaps the signaling link between BSC and the MSC uses Ethernet.But; if the MSC of operator has built and has finished; and this MSC only supports narrow-band signaling link No. seven; on the one hand; operator wishes to enjoy the benefit that the single big capacity BSC network element of aforesaid use brings; on the other hand, the MSC that has built well is reluctant to change in order to protect its original investment in operator.In fact, this situation is also more common in the CDMA of reality commercial network.Under this situation, previously described technology can't solve all that single BSC NE capacity that operator faces is subject to and MSC between the problem of signaling link bandwidth.
Summary of the invention
The technical problem to be solved in the present invention provides the method for a kind of BSC of expansion and MSC No. seven signaling link bandwidth enlarging, thereby satisfies the bandwidth requirement of jumbo BSC to signaling link.
In order to address the above problem, the invention provides the method for a kind of extended base station controller BSC and mobile switch MSC No. seven signaling link bandwidth enlarging, comprising:
Dispose some signalling points in single BSC network element side, each signalling point links to each other with same target MSC by a Signaling System Number 7 link; Come the Signaling System Number 7 link of each signalling point of index by self-defined index entry to target MSC;
Described BSC network element side uses a signalling point when target MSC sends the upper-layer service signaling, at first selected index entry, determine Original Signaling Point address OPC according to this index entry, and described OPC and upper-layer service signaling be encapsulated in the Signaling System Number 7, the Signaling System Number 7 link by the OPC correspondence sends to MSC with this signaling;
Further, when single BSC network element side disposes some signalling points, at first estimate the full configuration purchase of property affair capacity between described single BSC network element and the MSC, and the maximum traffic capacity of supporting according to this full configuration purchase of property affair capacity and No. seven signaling link bandwidth enlarging, definite minimum signaling of being supported is counted, and is the signalling point of described BSC network element configuration respective numbers again;
Further, when single BSC network element side disposes some signalling points, distribute the address respectively for each signalling point, and dispose described MSC and link to each other with each signalling point respectively in described MSC side;
Further, when single BSC network element side disposes some signalling points, self-defined network type and be that index entry is set up concordance list with the network type, the address or the sign of the respectively corresponding signalling point of each network type, perhaps corresponding respectively one by the Signaling System Number 7 link of a signalling point to target MSC;
Further, described BSC network element side uses a signalling point when MSC sends Signaling System Number 7, except OPC and upper-layer service signaling, also the target MSC address also together is encapsulated in the described Signaling System Number 7 and sends;
A kind of base station controller comprises: a Signaling System Number 7 upper-layer protocol entity and a Signaling System Number 7 underlying protocol entity; Wherein,
Described Signaling System Number 7 upper-layer protocol entity is used to produce the upper-layer service signaling, and selected index entry, and this index entry and upper-layer service signaling are sent to described Signaling System Number 7 underlying protocol entity;
Described Signaling System Number 7 underlying protocol entity, be used for disposing some signalling points in single BSC network element side, each signalling point links to each other with same target MSC by a Signaling System Number 7 link, and self-defined index entry comes the Signaling System Number 7 link of each signalling point of index to target MSC, also be used for determining OPC according to the index entry that described Signaling System Number 7 upper-layer protocol entity is sent, and described OPC and upper-layer service signaling be encapsulated in the Signaling System Number 7, the Signaling System Number 7 link by the OPC correspondence sends to MSC with this signaling;
Further, described Signaling System Number 7 upper-layer protocol entity is sent to described Signaling System Number 7 underlying protocol entity by sending message interface with upper-layer service signaling and index entry;
Further, described Signaling System Number 7 underlying protocol entity, estimate the full configuration purchase of property affair capacity between described single BSC network element and the MSC, and the maximum traffic capacity of supporting according to this full configuration purchase of property affair capacity and No. seven signaling link bandwidth enlarging, definite minimum signaling of being supported is counted, and is the signalling point of described BSC network element configuration respective numbers again;
Further, described Signaling System Number 7 underlying protocol entity, self-defined network type and be that index entry is set up concordance list with the network type, the corresponding respectively signalling point address of each network type or sign, perhaps corresponding respectively one by the Signaling System Number 7 link of a signalling point to target MSC;
Further, described Signaling System Number 7 underlying protocol entity still together is encapsulated in the target MSC address in the described Signaling System Number 7 and sends.
Compared with prior art, the present invention has expanded the bandwidth of BSC and MSC Signaling System Number 7 link by linking to each other with MSC at a plurality of number 7 signalings of BSC network element configuration, thereby the capacity that has solved single BSC network element is subject to the problem of No. seven signaling link bandwidth enlarging.
Description of drawings
Fig. 1 is one and has disposed the BSC of 3 signalling points and the connection diagram of MSC;
Fig. 2 is flow chart illustration that multiple signaling points BSC links to each other with MSC of configuration;
Fig. 3 is multiple signaling points BSC sends a schematic flow sheet from message to MSC;
Fig. 4 is the structural representation of base station controller in the embodiment of the invention.
Embodiment
The present invention is in order to solve the drawback that conventional solution exists, further set forth a kind of method of expanding BSC and MSC No. seven signaling link bandwidth enlarging of the present invention by following specific embodiment, below embodiment is described in detail, but not as a limitation of the invention.
The present invention is achieved in that in single BSC network element side and disposes some signalling points that each signalling point links to each other with same target MSC by a Signaling System Number 7 link; Come the Signaling System Number 7 link of each signalling point of index by self-defined index entry (execution mode is an example with network type NetType) to target MSC;
Described BSC network element side uses a signalling point when target MSC sends the upper-layer service signaling, at first selected network type, call described transmission message interface and determine employed Original Signaling Point address OPC (Originating Point Code according to this network type, OPC Origination Point Code), and described OPC and upper-layer service signaling be encapsulated in No. seven information, by selected Signaling System Number 7 link this information is sent to MSC.
In traditional single signaling point BSC system, because local terminal has only an OPC, and only link to each other with a MSC, just has only a destination signaling point address D PC (Destination Point Code, DPC), so Signaling System Number 7 bottom program offers in the interface on upper strata and need not to specify any parameter;
And the difference of multiple signaling points BSC system of the present invention and single signaling point BSC system is, there are a plurality of OPC in local terminal, so, Signaling System Number 7 bottom program offers in the interface on upper strata need comprise a network type NetType parameter, No. seven bottom programs can be used NetType to table look-up and obtain OPC, be encapsulated in the Signaling System Number 7 message that sends to MSC.
As shown in Figure 1, be one and disposed the BSC of 3 signalling points and the connection diagram of MSC, jumbo single BSC network element configuration 3 number 7 signalings, link to each other with MSC by arrowband Signaling System Number 7 link.Under classical traffic model, it is 12000Erl that the full configuration between single BSC network element and the MSC is put the supported maximum traffic of capacity, and the bandwidth of Signaling System Number 7 link approximately can support the traffic of 4000Erl, so minimumly should dispose 3 number 7 signalings.
A kind of BSC of expansion that present embodiment relates to and the method for MSC No. seven signaling link bandwidth enlarging comprise two big execution in step: multiple signaling points BSC of configuration links to each other with MSC earlier, and multiple signaling points BSC sends message to MSC afterwards;
Disposing the process that multiple signaling points BSC links to each other with MSC, as shown in Figure 2, is flow chart illustration that multiple signaling points BSC links to each other with MSC of configuration, can be described in detail as follows:
Step 101 according to the maximum traffic capacity that single BSC network element and the full configuration purchase of property affair capacity between the MSC and the No. seven signaling link bandwidth enlarging of estimation are supported, is determined the minimum several signalling points of configuration that need; In Fig. 2, be example with 10000Erl, need 3 signalling points of configuration;
Step 102 is distributed the address in the MSC side respectively for each signalling point, and configuration MSC links to each other with each signalling point respectively;
In fact, the configuration of MSC side can think fully that it has connected 3 BSC;
Step 103, at 3 number 7 signalings of BSC side configuration, self-defined network type is respectively 1,2,3, and be that object is set up concordance list with the network type, dispose these 3 signalling points respectively and link to each other with MSC, promptly dispose 3 Signaling System Number 7 link group, these 3 link group link to each other with same MSC;
The address or the sign of the respectively corresponding signalling point of each network type, perhaps each network type corresponding respectively one by the Signaling System Number 7 link of a signalling point to target MSC;
Step 104 leaves network type and concordance list in the transmission message interface in.
Multiple signaling points BSC sends message to MSC, as shown in Figure 3, is the schematic flow sheet of multiple signaling points BSC to MSC transmission message, can be described in detail as follows:
Step 201, multiple signaling points BSC upper-layer service produces a signaling, need send to MSC; At this moment, multiple signaling points BSC is according to the selected network type (NetType) of certain algorithm;
This algorithm prior art exists, and practical function is to select to use which OPC of BSC side to send No. seven message to MSC, in other words, is to select to use which the signaling link group between BSC and the MSC to send No. seven message;
Step 202, the NetType that multiple signaling points BSC is selected with multiple signaling points BSC and the content of top signaling send to the transmission message interface that Signaling System Number 7 underlying protocol entity provides;
Described transmission message interface is arranged on the Signaling System Number 7 bottom of BSC network element side, the interface that the upper-layer protocol entity is provided for Signaling System Number 7 underlying protocol entity;
Step 203, Signaling System Number 7 underlying protocol entity is determined employed Original Signaling Point address OPC according to the NetType that sends in the message interface, and together is encapsulated in OPC and top signaling in the Signaling System Number 7;
Also target signalling point address D PC (target MSC address just) also can be encapsulated in the Signaling System Number 7,, just have only a DPC, so DPC does not indicate the enforcement that does not yet influence this programme because the solution of the present invention only links to each other with a MSC;
Step 204, Signaling System Number 7 underlying protocol entity sends to MSC from the signaling link group of selected Original Signaling Point OPC correspondence with message, and the MSC side is made normal process and is got final product by flow process of the prior art.(, think oneself to have connected a plurality of BSC for MSC; When receiving message, be considered to receive message from one of them BSC; In other words, multiple signaling points BSC is the BSC that has connected a plurality of single signaling point for the MSC side, so the processing of MSC need not to make change)
As shown in Figure 4, be the structural representation of base station controller in the embodiment of the invention, constitute by Signaling System Number 7 upper-layer protocol entity and Signaling System Number 7 underlying protocol entity;
Signaling System Number 7 upper-layer protocol entity is used to produce the upper-layer service signaling, and selected index entry, and this index entry and upper-layer service signaling are sent to described Signaling System Number 7 underlying protocol entity;
Signaling System Number 7 underlying protocol entity, be used for disposing some signalling points in single BSC network element side, each signalling point links to each other with same target MSC by a Signaling System Number 7 link, and self-defined index entry comes the Signaling System Number 7 link of each signalling point of index to target MSC, also be used for determining OPC according to the index entry that described Signaling System Number 7 upper-layer protocol entity is sent, and described OPC and upper-layer service signaling be encapsulated in the Signaling System Number 7, the Signaling System Number 7 link by the OPC correspondence sends to MSC with this signaling.
Meaning of the present invention is that the capacity that has solved single BSC network element is subject to the problem of No. seven signaling link bandwidth enlarging by linking to each other with MSC at a plurality of number 7 signalings of BSC network element configuration.
What the present invention was successful has been applied in the actual cdma system, and has obtained the good actual application effect.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.

Claims (10)

1. the method for extended base station controller BSC and mobile switch MSC No. seven signaling link bandwidth enlarging is characterized in that, comprising:
Dispose some signalling points in single BSC network element side, each signalling point links to each other with same target MSC by a Signaling System Number 7 link; Come the Signaling System Number 7 link of each signalling point of index by self-defined index entry to target MSC;
Described BSC network element side uses a signalling point when target MSC sends the upper-layer service signaling, at first selected index entry, determine Original Signaling Point address OPC according to this index entry, and described OPC and upper-layer service signaling be encapsulated in the Signaling System Number 7, the Signaling System Number 7 link by the OPC correspondence sends to MSC with this signaling.
2. the method for claim 1, it is characterized in that, when single BSC network element side disposes some signalling points, at first estimate the full configuration purchase of property affair capacity between described single BSC network element and the MSC, and the maximum traffic capacity of supporting according to this full configuration purchase of property affair capacity and No. seven signaling link bandwidth enlarging, definite minimum signaling of being supported is counted, and is the signalling point of described BSC network element configuration respective numbers again.
3. the method for claim 1 is characterized in that, when single BSC network element side disposes some signalling points, distributes the address in described MSC side respectively for each signalling point, and disposes described MSC and link to each other with each signalling point respectively.
4. the method for claim 1, it is characterized in that, when single BSC network element side disposes some signalling points, self-defined network type and be that index entry is set up concordance list with the network type, the address or the sign of the respectively corresponding signalling point of each network type, perhaps corresponding respectively one by the Signaling System Number 7 link of a signalling point to target MSC.
5. the method for claim 1 is characterized in that, described BSC network element side uses a signalling point when MSC sends Signaling System Number 7, except OPC and upper-layer service signaling, also the target MSC address also together is encapsulated in the described Signaling System Number 7 and sends.
6. a base station controller is characterized in that, comprising: a Signaling System Number 7 upper-layer protocol entity and a Signaling System Number 7 underlying protocol entity; Wherein,
Described Signaling System Number 7 upper-layer protocol entity is used to produce the upper-layer service signaling, and selected index entry, and this index entry and upper-layer service signaling are sent to described Signaling System Number 7 underlying protocol entity;
Described Signaling System Number 7 underlying protocol entity, be used for disposing some signalling points in single BSC network element side, each signalling point links to each other with same target MSC by a Signaling System Number 7 link, and self-defined index entry comes the Signaling System Number 7 link of each signalling point of index to target MSC, also be used for determining OPC according to the index entry that described Signaling System Number 7 upper-layer protocol entity is sent, and described OPC and upper-layer service signaling be encapsulated in the Signaling System Number 7, the Signaling System Number 7 link by the OPC correspondence sends to MSC with this signaling.
7. base station controller as claimed in claim 6 is characterized in that, described Signaling System Number 7 upper-layer protocol entity is sent to described Signaling System Number 7 underlying protocol entity by sending message interface with upper-layer service signaling and index entry.
8. base station controller as claimed in claim 6, it is characterized in that, described Signaling System Number 7 underlying protocol entity, estimate the full configuration purchase of property affair capacity between described single BSC network element and the MSC, and the maximum traffic capacity of supporting according to this full configuration purchase of property affair capacity and No. seven signaling link bandwidth enlarging, definite minimum signaling of being supported is counted, and is the signalling point of described BSC network element configuration respective numbers again.
9. base station controller as claimed in claim 6, it is characterized in that, described Signaling System Number 7 underlying protocol entity, self-defined network type and be that index entry is set up concordance list with the network type, the corresponding respectively signalling point address of each network type or sign, perhaps corresponding respectively one by the Signaling System Number 7 link of a signalling point to target MSC.
10. base station controller as claimed in claim 6 is characterized in that, described Signaling System Number 7 underlying protocol entity still together is encapsulated in the target MSC address in the described Signaling System Number 7 and sends.
CN2008100895961A 2008-04-03 2008-04-03 Method for enlarging bandwidth of base station controller (BSC) and mobile switch (MSC) No. seven signaling link Expired - Fee Related CN101553057B (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1384651A (en) * 2001-05-08 2002-12-11 深圳市中兴通讯股份有限公司上海第二研究所 Multiple-signalling point and multiple-protocal method
CN1522083A (en) * 2003-01-30 2004-08-18 华为技术有限公司 Method for sharing base station between global mobile communication network and CDMA network
CN1859634A (en) * 2005-12-26 2006-11-08 华为技术有限公司 Method and system for realizing cluster communication function
US7313129B1 (en) * 2003-02-13 2007-12-25 Cisco Technologiy, Inc. Arrangement for sharing a single signaling point code between multiple hosts in an IP-based network

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1384651A (en) * 2001-05-08 2002-12-11 深圳市中兴通讯股份有限公司上海第二研究所 Multiple-signalling point and multiple-protocal method
CN1522083A (en) * 2003-01-30 2004-08-18 华为技术有限公司 Method for sharing base station between global mobile communication network and CDMA network
US7313129B1 (en) * 2003-02-13 2007-12-25 Cisco Technologiy, Inc. Arrangement for sharing a single signaling point code between multiple hosts in an IP-based network
CN1859634A (en) * 2005-12-26 2006-11-08 华为技术有限公司 Method and system for realizing cluster communication function

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