CN103179683B - HNB sets up the method connected - Google Patents
HNB sets up the method connected Download PDFInfo
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- CN103179683B CN103179683B CN201310098393.XA CN201310098393A CN103179683B CN 103179683 B CN103179683 B CN 103179683B CN 201310098393 A CN201310098393 A CN 201310098393A CN 103179683 B CN103179683 B CN 103179683B
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Abstract
A kind of HNB sets up the method connected, including step: HNB sends and " adheres to request information to OMC operation and maintenance centre；OMC operation and maintenance centre is that this HNB selects MME；OMC operation and maintenance centre sends " attachment response " message to HNB；HNB sets up with the MME in above-mentioned attachment response message and is connected.When the invention enables UE to move between the HNB of same CSG, can be switched over by X2 interface, the information of RRM etc. between two HNB, can be exchanged simultaneously.
Description
The application is in JIUYUE in 2007 divisional application to the application for a patent for invention the 200710164106.5th of entitled " HNB sets up the method connected " of Patent Office of the People's Republic of China's submission on the 29th.
Technical field
The present invention relates to the communications field, particularly to the method for Home eNodeB (hereinafter referred to as HNB) access network.
Background technology
The system structure of SAE is as shown in Figure 1.Description to Fig. 1 SAE system structure is presented herein below.
101 subscriber equipmenies (hereinafter referred to as UE) are used to receive the terminal unit of data.102EUTRAN is the Radio Access Network in evolution system SAE, ENB can also be, it is responsible for providing the interface accessing wireless network to LTE mobile phone, and is connected by S1 interface with mobile management entity 103MME and user plane entity 104ServingGateway of mobile phone.103MME is responsible for the mobile context of subscriber equipment, session context, preserves user and security-related information.104ServingGateway mainly provides the function of user plane.S1-MME interface is responsible for providing RAB to set up to UE, and the message that UE is sent to MME carries out the forwarding from wireless access network.Some is similar for the function that 103MME with 104ServingGateway combines and original 106SGSN (GPRS (general packet radio service) (hereinafter referred to as GPRS) supports node), MME Yu ServingGateway is likely to be in same physical entity.105PDNGateway is responsible for the function such as charging, Lawful Interception.ServingGateway and PDNGateway is likely to be in same physical entity.106SGSN is existing in umts for the transmission offer route of data.Existing SGSN is the Gateway GPRS Support Node (hereinafter referred to as GGSN) finding correspondence according to access point name (hereinafter referred to as APN).107HSS is the local ownership subsystem of subscriber equipment, it is responsible for preserving the information of user, including the current location of subscriber equipment, the address of service node, the security-related information of user, packet data protocol (hereinafter referred to as PDP) context that subscriber equipment activates etc..108PCRF provides Qos policy and charging criterion by S7 interface.
Generally, customer traffic is through 105PDNGateway to 104ServingGateway, ServingGateway sends data to the ENB at UE place by GPRS Tunnel Protocol (hereinafter referred to as GTP) passage, and ENB sends data to corresponding subscriber equipment.
HNB is used in the base station of family, it is also possible to be applied to the places such as university, company.HNB is plug and play.Difference with common macro base station is: is frequently not all of subscriber equipment and can access HNB.Such as only have the subscriber equipment of subscriber household can access the HNB of family, or this household agrees to other subscriber equipment that can access.The employee of company and the affiliate of its company permission is only had to access in a company.The one group of HNB (being such as used in the HNB of same company) having identical access customer group is referred to as closed user group (hereinafter referred to as CSG, ClosedSubscriberGroup).For there is no X2 interface (in SAE, the interface between base station and base station is referred to as X2 interface) between common HNB (being used for example in the HNB of family) or between HNB and macro base station.Switched over by S1 interface when UE moves between HNB and HNB or HNB and macro base station.
The scene being similar to for company or university etc. for HNB, subscriber equipment movement between two HNB of same company is very frequent, switches over the time delay so that switching always by S1 interface big, and efficiency is low.And the information of RRM etc. between the two of same company HNB, cannot be exchanged so that the user under two HNB is uneven, it is impossible to carry out the good utilization of resources.
Summary of the invention
It is an object of the invention to provide a kind of HNB and set up the method connected.
For achieving the above object, a kind of HNB sets up the method connected, including step:
HNB sends and " adheres to request information to OMC operation and maintenance centre；
OMC operation and maintenance centre sends " attachment response " message to HNB；
HNB sets up with the MME in above-mentioned attachment response message and is connected；
When the invention enables UE to move between the HNB of same CSG, can be switched over by X2 interface, the information of RRM etc. between two HNB, can be exchanged simultaneously.
Accompanying drawing explanation
Fig. 1 is the network structure of SAE；
Fig. 2 is the HNB connection establishment process of the embodiment of the present invention 1；
Fig. 3 is the HNB connection establishment process of the embodiment of the present invention 2；
Fig. 4 is the motion flow of the HNB of corresponding embodiment 1 and embodiment 2；
Fig. 5 is the motion flow of the OMC of corresponding embodiment 1 and embodiment 2；
Fig. 6 is the motion flow of the MME of corresponding embodiment 1 and embodiment 2；
Fig. 7 is the process reconfiguring MME or S-GW.
Detailed description of the invention
Embodiments of the invention 1 are as shown in Figure 2.Detailed description to this figure is presented herein below.In the following description technology unrelated to the invention be have ignored detailed technology explanation.In this embodiment, the HNB of first access network during HNB1 is this CSG.
Step 201, HNB1 sends and " adheres to request information to OMC.Message comprises the positional information of HNB.It is optionally, described that " attachment request information comprises the mark of CSG belonging to HNB.Optionally, network is HNB distribution CSG mark (HNB of first/first signing in CSG) when can be contracted by HNB, or allows networking (such as OMC) know the CSG mark (HNB of first signing in non-CSG) belonging to HNB during HNB signing.
Step 202, OMC is that this HNB selects MME.This HNB is first HNB accessed in this CSG, and OMC operation and maintenance centre is that this HNB selects a MME, and the principle such as probability such as changing MME according to the position of HNB in the MME closed on according to load balancing or reduce when UE moves selects.Optionally, OMC can to select S-GW for this HNB according to the principle the same with selecting MME.HNB, OMC check in CSG to be needed to set up other HNB of X2 with this HNB.OMC checks other HNB (needing to set up to be connected HNB) in CSG with this HNB according to CSG mark.Optionally, OMC is other position needing to consider this HNB when of the HNB setting up X2 with this HNB in checking CSG, if such as two HNB in country variant same company belong to a CSG, also need not set up X2 interface.This embodiment corresponding, does not has other HNB in CSG.
The when that the selection of S-GW can having waited data to pass through HNB transmission, HNB the MME connected is that HNB selects.The HNB in same CSG is made to be connected to same S-GW.When first HNB in CSG needs to set up user plane when, MME changes the principles such as the probability of S-GW according to load balancing or minimizing UE when moving to select a S-GW for this CSG.
Step 203, OMC sends " attachment response " message to HNB.Comprising above-mentioned OMC in described " attachment response " message is the MME that this HNB selects.Optionally, message is included as other adjacent HNB needing to set up X2 that this HNB selects.Optional message comprises the frequency of this HNB application.Described " attachment response " message comprises the information of adjacent cells.Described " attachment response " message comprises tracing area mark (hereinafter referred to as TAI) of this HNB.Described " attachment response " message is included as the HNB mark of this HNB distribution.Optionally, comprising OMC in described message is the S-GW address that this HNB selects.
Step 204, HNB initiates to set up, with the MME in above-mentioned message, the process connected.HNB sends " connection request " message to MME.Described message comprises information ' having the cell information of overlapping or adjacent covering with this HNB or CSG cell '.Optionally, described message comprises the TAI at information element HNB place.Optionally, described message comprises the mark of information element HNB.Optionally, described message comprises the CSG mark at information element HNB place.MME sends " connection response " message to HNB.
Embodiments of the invention 2 are as shown in Figure 3.Detailed description to this figure is presented herein below.In the following description technology unrelated to the invention be have ignored detailed technology explanation.In this embodiment, HNB1 and HNB2 belongs to a CSG.HNB1 access network.HNB2 starts access network for the first time.
Step 301, HNB2 sends and " adheres to request information to OMC.Message comprises the positional information of HNB2.It is optionally, described that " attachment request information comprises the mark of CSG belonging to HNB2.Optionally, described HNB allows networking know its affiliated CSG mark when contracting.
Step 302, OMC is that this HNB selects MME.If this HNB is not the MME that in this CSG, the HNB, OMC of first access once selected for other HNB in this CSG is exactly MME to be connected for this HNB.This embodiment corresponding, OMC distributes to this HNB MME and S-GW selected for HNB1.Optionally, the position of HNB the to be considered when that OMC being this HNB selection MME, if such as two HNB in country variant same company belong to a CSG, then the two HNB is not coupled to same MME.For this situation, without the HNB access network closed on, then OMC is that in CSG, first HNB accessed equally selects a MME for this HNB according to this, selects as changed the principles such as the probability of MME when moving according to load balancing or minimizing UE.Optionally, OMC can to select S-GW for this HNB according to the principle the same with selecting MME.OMC checks in CSG to be needed to set up other HNB of X2 with this HNB.OMC checks other HNB (needing to set up to be connected HNB) in CSG with this HNB according to CSG mark.Optionally, OMC checking in CSG that other needs the HNB setting up X2 with this HNB when except considering to it is also contemplated that the position of this HNB at same CSG, if such as two HNB in the same company of country variant belong to a CSG, also need not set up X2 interface.Corresponding this embodiment, such as HNB1 are to need to set up X2 with HNB2 to be connected.
The when that the selection of S-GW can having waited data to pass through HNB transmission, HNB the MME connected is that HNB selects.The HNB in same CSG is made to be connected to same S-GW.When first HNB in CSG needs to set up user plane when, MME changes the principles such as the probability of S-GW according to load balancing or minimizing UE when moving to select a S-GW for this CSG.If HNB is not first HNB needing to set up user plane in the CSG of place, the S-GW that MME once selected for other HNB in this CSG is exactly S-GW to be connected for this HNB.
Step 303, OMC sends " attachment response " message to HNB2.Comprising above-mentioned OMC in described " attachment response " message is the MME that this HNB selects.The MME information comprised in above-mentioned message can be the IP address of MME.Optionally, message is included as other adjacent HNB list needing to set up X2 that this HNB selects.The HNB list comprised in above-mentioned message is the IP address list of HNB.Optional message comprises the frequency of this HNB application.Described " attachment response " message comprises the information of adjacent cells.Described " attachment response " message comprises tracing area mark (hereinafter referred to as TAI) of this HNB.Described " attachment response " message is included as the HNB mark of this HNB distribution.Optionally, comprising OMC in described message is the S-GW address that this HNB selects.
Step 304, HNB2 initiates to set up, with the HNB in above-mentioned message, the process connected.HNB2 sends " connection request " message to another HNB (such as HNB1).HNB1 sends " connection response " message to HNB2.
Step 305, HNB2 initiates to set up, with the MME in above-mentioned message, the process connected.HNB2 sends " connection request " message to MME.Described message comprises information ' having the cell information of overlapping or adjacent covering with this HNB or CSG cell '.Described message comprises the TAI at information element HNB place.Optionally, described message comprises the mark of information element HNB.Optionally, described message comprises the CSG mark at information element HNB place.MME sends " connection response " message to HNB2.
Wherein step 304 and step 305 do not have absolute sequencing.
For above-described embodiment, wherein the motion flow of HNB is as shown in Figure 4.Here have ignored the detailed technology explanation unrelated with this invention.
401HNB sends and " adheres to request information to OMC.Message comprises the positional information of HNB.It is optionally, described that " attachment request information comprises the mark of CSG belonging to HNB.402HNB wait-for-response message.If 403 HNB receive successfully " attachment response " message, HNB preserves the information in message, such as parameters such as the information of MME information He other HNB, TAI, HNB marks.404HNB initiates and the connection establishment process of the MME in above-mentioned " attachment response " message.HNB sends " connection request " message to MME.Optionally, described message comprises information ' having the cell information of overlapping or adjacent covering with this HNB or CSG cell '.Optionally, described message comprises the TAI at information element HNB place.Optionally, described message comprises information element HNB mark.Optionally, described message comprises the CSG mark at information element HNB place.MME sends " connection response " message to HNB.405 is optional, if above-mentioned " attachment response " message comprises the information of other HNB, such as HNBIP address list, HNB initiates and the connection establishment process of other HNB described.HNB sends " connection request " message to another HNB.Another HNB sends " connection response " message to this HNB.
Wherein step 404 and step 405 do not have absolute sequencing.
For above-described embodiment, wherein the motion flow of OMC is as shown in Figure 5.Here have ignored the detailed technology explanation unrelated with this invention.
501OMC receives message, if 502 OMC receive " attachment request information, the information of 503OMC preservation HNB come from HNB.If comprising the positional information of HNB in described message, OMC preserves the positional information of HNB.If comprising the CSG mark belonging to HNB in described message, OMC preserves the CSG belonging to HNB.
If 504 these HNB are the HNB of first access network in corresponding CSG, 505OMC is that the HNB of this CSG selects MME.OMC according to the position of HNB, and can reduce when load balancing or UE move and change the principle such as probability of MME to select MME.Optionally, OMC can to select S-GW for this HNB according to the principle the same with selecting MME.
Step 506, if this HNB is not the HNB, 507OMC that in CSG, first is accessed searches other HNB in CSG.508OMC sends " attachment response " message to the HNB sending request message.Described " attachment response " message comprises the MME that the HNB that OMC is this CSG selects.Alternatively, described " attachment response " message comprises the S-GW that the HNB that OMC is this CSG selects.Alternatively, described message comprises the information of other HNB in CSG, such as the IP address list of HNB.Alternatively, message comprises the TAI at HNB place.Alternatively, message is included as the HNB mark of this HNB distribution.Above-mentioned be for the HNB in CSG from be not that far situation describes.For another situation, if such as two HNB in the same company of country variant belong to a CSG, if the HNB access network do not closed in the CSG belonging to this HNB, then OMC is that in CSG, first HNB accessed equally selects a MME for this HNB according to this, selects as changed the principles such as the probability of MME when moving according to load balancing or minimizing UE.Optionally, OMC can to select S-GW for this HNB according to the principle the same with selecting MME.Simultaneously for this situation, be not other HNB individually searching in this CSG according to CSGId be exactly the HNB needing to be connected with this HNB foundation.It is also contemplated that the position of this HNB.If such as two HNB in the same company of country variant belong to a CSG, also need not set up X2 interface.
For above-described embodiment, wherein the motion flow of MME is as shown in Figure 6.Here have ignored the detailed technology explanation unrelated with this invention.
601MME receives message, if 602 MME receive carrys out " connection request " message from HNB, 603MME preserves the information in message, and as there being the overlapping or information of adjacent coverage cell with HNB or CSG cell, the TAI at HNB place, HNB identify.604MME sends " connection response " message to HNB.
When Fig. 7 is MME or S-GW overload or fault, OMC reconfigures the process of MME or S-GW of CSG.Detailed description to this figure is presented herein below.
Step 701, OMC finds that MME or S-GW that certain CSG connects overloads or fault.
Step 702, OMC sends " reconfiguration request " message to the HNB in CSG.Described message comprises MME or S-GW being reconfigured to and the reason reconfigured.MME or S-GW reconfigured can be the IP address of MME or S-GW.
Step 703, the HNB receiving " reconfiguration request " sends " connection request " to new MME or S-GW.Optionally, be sent to MME " " message comprises information ' having the cell information of overlapping or adjacent covering with this HNB or CSG cell ' to connection request.Optionally, be sent to MME " connection request " comprises the TAI at information element HNB place in message.New MME or S-GW sends " connection response " message to described HNB.
Step 704, described HNB sends " reconfiguring response " message to OMC.
Optionally, if because MME or S-GW overloads, HNB initiates and the Connection Release process of old MME or S-GW
Although the present invention is described according to described embodiment, it should be pointed out that these embodiments are all used to explain rather than for limiting the invention.Those of ordinary skill in the art can be easy to be modified these embodiments, increases, delete any step without departing from the spirit and scope of the present invention.
Claims (4)
1. HNB sets up the method connected, including step:
HNB sends the message of request attachment to OMC operation and maintenance centre OMC；
OMC sends the message of response request attachment to HNB, the message of described response request attachment comprises the IP address that OMC is the MME that HNB selects, and the message of described response request attachment also includes that the IP address of other HNB that X2 interface is connected set up by the needs selected for this HNB with this HNB；
HNB sets up with the MME in the message of described response request attachment and is connected；
Wherein, HNB with MME sets up to be connected and comprises step:
HNB sends the message of request connection and identifies TAI, HNB mark to MME, the tracing area comprising HNB place in the message that described request connects, the CSG mark of HNB place closed subscriber group (CSG)；And
MME sends the message of response request connection to HNB.
Method the most according to claim 1, it is characterised in that comprise the positional information of HNB in the message of described request attachment.
Method the most according to claim 1, it is characterised in that further comprise the steps of:
HNB sets up with other HNB in the message of described response request attachment and is connected.
Method the most according to claim 3, it is characterised in that HNB and other HNB set up to be connected and comprise step:
HNB sends the message of request connection establishment to other HNB；And
Other HNB send the message of response request connection establishment to HNB.
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| CN201310098393.XA CN103179683B (en) | 2007-09-29 | 2007-09-29 | HNB sets up the method connected |
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| CN201310098393.XA CN103179683B (en) | 2007-09-29 | 2007-09-29 | HNB sets up the method connected |
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| CN2007101641065A Division CN101400160B (en) | 2007-09-29 | 2007-09-29 | Method for establishing connection by HNB |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1336086A (en) * | 1999-11-09 | 2002-02-13 | 索尼公司 | Information transmission system and method |
| CN1561136A (en) * | 2004-02-18 | 2005-01-05 | Ut˹�ͨѶ����˾ | PHS mobile phone network discriminating method |
| CN101400160B (en) * | 2007-09-29 | 2013-04-10 | 北京三星通信技术研究有限公司 | Method for establishing connection by HNB |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1336086A (en) * | 1999-11-09 | 2002-02-13 | 索尼公司 | Information transmission system and method |
| CN1561136A (en) * | 2004-02-18 | 2005-01-05 | Ut˹�ͨѶ����˾ | PHS mobile phone network discriminating method |
| CN101400160B (en) * | 2007-09-29 | 2013-04-10 | 北京三星通信技术研究有限公司 | Method for establishing connection by HNB |
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