CN103581988A

CN103581988A - Method and base station for reporting state of mixed cell

Info

Publication number: CN103581988A
Application number: CN201210271419.1A
Authority: CN
Inventors: 祝建建; 刘玉兰; 谢峰
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2012-08-01
Filing date: 2012-08-01
Publication date: 2014-02-12

Abstract

The invention discloses a method and base station for reporting the state of a mixed cell. The method comprises the steps that the base station obtains the state information of resources occupied by member users in the mixed cell and/or the state information of resources occupied by non-member users; the base station sends the obtained state information to an opposite end network element connected with the base station. Through the method and base station for reporting the state of the mixed cell, different switchover strategies are selectively executed according to the conditions that UE with different identities is switched to the mixed cell, and it is ensured that the member users of CSG is provided with the switchover access priority higher than that of non-member users of the CSG.

Description

A kind of method, base station of reporting mixed cell state

Technical field

The present invention relates to the base station handoff technique of wireless communication technology field, relate in particular to a kind of method, base station of reporting mixed cell state.

Background technology

Home eNodeB (HeNB) is a kind of compact low power base station, is mainly used in the indoor place among a small circle such as family and office.Home eNodeB by access in radio equipment connections such as indoor cable, Digital Subscriber Line (DSL, Digital Subscriber Line) or optical fiber to mobile operator core net, for specific user provides the access service based on mobile radio networks.Home eNodeB is effectively supplementing that existing network is disposed, and can effectively improve indoor voice and high-speed data service and cover, and has the advantages such as low cost, low-power, access are simple, plug and play, the raising network coverage.

In prior art, because some HeNB are only for specific user provides service, therefore introduced the concept of sealing member group (CSG, Closed Subscriber Group), each CSG has unique sign, is CSG ID.In Long Term Evolution (LTE, Long-Term Evolution) system, for HeNB has defined the community of three kinds of different access waies:

1 ,CSG community, the HeNB of corresponding sealing (closed) pattern, the subscriber equipment (UE, User Equipment) that is only registered as CSG member just can access this community;

2, mix (hybrid) community, the HeNB of corresponding hybrid pattern, any UE can access this community, can be with member's identity access of higher priority but be registered as CSG member's UE;

3, open (open) community, the HeNB of corresponding open pattern, any UE can access this community.

The access module of HeNB and CSG ID do not broadcast CSG ID and access module eating dishes without rice or wine to broadcast ，Ruo Gai community, show that this community is open community; CSG ID is only broadcasted in Ruo Gai community, shows WeiCSG community, this community; If this Cell Broadcast CB CSG ID and value, for the access module of " hybrid ", show that this community is hybrid community.Core net and UE preserve respectively the CAMEL-Subscription-Information of controlling user's access to family base station.

According to existing system mechanism, the current serving BS (abbreviation source base station) of UE, when the target BS for UE selection handover operation, need to be considered the occupation condition of target BS, to determine suitable target BS.And when the described target BS Home eNodeB that is blend modes of operation is when (being called for short hybrid Home eNodeB), hybrid Home eNodeB and source base station are when mutual resource state takies situation, mutual is the situation of all CU resources in hybrid community, thereby the situation that makes source base station cannot be switched to for the UE of different identity hybrid Home eNodeB has the different switchover policy of execution of differentiation, and then also just cannot provide the switching access priority higher than non-CSG Member Users for CSG Member Users.

Summary of the invention

In view of this, main purpose of the present invention is to provide a kind of method, base station of reporting mixed cell state, the situation that is switched to mixed cell to realize UE for different identity has the different switchover policy of execution of differentiation, and guaranteeing provides the switching access priority higher than non-CSG Member Users for CSG Member Users.

For achieving the above object, technical scheme of the present invention is achieved in that

The invention provides a kind of method of reporting mixed cell state, the method comprises:

Base station obtains Member Users in mixed cell and takies the state information of resource and/or the state information that non-Member Users takies resource;

Described base station sends to the state information of obtaining the opposite end network element that connects described base station.

The method further comprises:

In the network element of described opposite end, adjacent base station as described base station, after receiving the state information that described base station sends, user identity type according to received state information and the user equipment (UE) under adjacent base station in described mixed cell, carries out corresponding RRM RRM operation to described UE.

In the following manner one of them of described adjacent base station, know that UE is in the user identity type of described mixed cell:

The described UE that UE comprises in sending to the measurement report of described adjacent base station is in the user identity type of mixed cell;

The UE that described adjacent base station is judged is in the user identity type of described mixed cell.

Adjacent base station judges that UE is in the user identity type of mixed cell, in the following ways one of at least:

Adjacent base station based on and described base station between configuration relation and UE at member's identity information of described adjacent base station access, judge that UE is in the user identity type of mixed cell;

The sealing member that adjacent base station gets UE organizes CSG CAMEL-Subscription-Information, based on described CSG CAMEL-Subscription-Information, judges that UE is in the user identity type of mixed cell;

Adjacent base station obtains UE in the user identity type of mixed cell from Mobility Management Entity MME.

Described RRM operation comprises switching controls, and described switching controls comprises:

Adjacent base station is for Member Users's UE, and the state information that takies resource according to Member Users in the state information receiving, carries out the switching access control to described UE;

Adjacent base station, for non-Member Users's UE, takies the state information of resource and the state information that non-Member Users takies resource according to Member Users in the state information receiving, and carries out the switching access control to described UE.

Described base station, by following at least one interface, sends to opposite end network element by the state information of obtaining:

X2 interface, S1 interface, air interface, operation management maintain OAM interface;

Wherein, described air interface comprises: Uu interface, Un interface.

Base station, by following at least one signaling message on X2 interface, sends to opposite end network element by the state information of obtaining:

Base station configuration updating information, load Indication message, resource status interaction message, switching related signaling message, user equipment (UE) context release message.

Base station, by following at least one signaling message in air interface, sends to opposite end network element by the state information of obtaining:

Beep-page message, radio resource control RRC connect reallocation message, RRC and connect reprovision and complete message, RRC connection request message, RRC and connect and set up message, RRC connection setup complete message, RRC connection refused message, RRC connection release message, wireless network RN reallocation message, RN reprovision and complete message.

Base station, by following at least one signaling message on S1 interface, sends to opposite end network element by the state information of obtaining:

Switch and require message, switching command message, handover request message, switching request acknowledgement message.

The described state information that takies resource comprise following one of at least:

The situation that takies of the up and/or descending interface-free resources of mixed cell;

The situation that takies of the ground side resource of mixed cell;

The situation that takies of the processing unit resource of mixed cell.

The method further comprises:

Described base station, by directly indication or the indirectly mode of indication, sends Member Users in mixed cell to described opposite end network element and takies the state information of resource and/or the state information that non-Member Users takies resource;

Wherein, the mode of described direct indication comprise following one of at least:

Indication Member Users takies the state information of resource and the state information that non-Member Users takies resource;

Indication Member Users takies the state information of resource and the state information of all CU resources;

Indicate non-Member Users to take the state information of resource and the state information of all CU resources;

The mode of described indirect indication comprise following one of at least:

Indication Member Users takies the state information of resource and the state information that the relative Member Users of non-Member Users takies resource;

Indicate non-Member Users to take the state information of resource and the state information that the relatively non-Member Users of Member Users takies resource;

Indicate the state information of all CU resources and the state information of the relatively all CU resources of Member Users;

Indicate the state information of all CU resources and the state information of the relatively all CU resources of non-Member Users.

Described base station comprises: Home eNodeB, macro base station, micro-base station and relay base station.

Described opposite end network element comprises: Home eNodeB, macro base station, micro-base station, relay base station, equipment of the core network and UE.

Described base station obtains Member Users in mixed cell and takies the state information of resource and/or the state information that non-Member Users takies resource, comprising:

Described base station is measured by the mixed cell to its service, obtains Member Users in mixed cell and takies the state information of resource and/or the state information that non-Member Users takies resource; Or,

Described base station obtains Member Users in mixed cell from other network elements and takies the state information of resource and/or the state information that non-Member Users takies resource, and described other network elements comprise: Home eNodeB, macro base station, micro-base station, relay base station and equipment of the core network.

Described base station sends to the state information of obtaining the opposite end network element that connects described base station, comprising:

Described base station initiatively sends described state information to opposite end network element; Or,

Described base station, after receiving the status request message of opposite end network element, sends described state information to opposite end network element by status response message.

The present invention also provides a kind of base station, comprising:

State information acquisition module, takies the state information of resource and/or the state information that non-Member Users takies resource for obtaining Member Users in mixed cell;

State information sending module, for sending to the state information of obtaining the opposite end network element that connects described base station.

Described state information sending module is further used for, and by following at least one interface, the state information of obtaining is sent to opposite end network element:

Wherein, described air interface comprises: Uu interface, Un interface.

Described state information sending module is further used for, and following at least one signaling message by X2 interface, sends to opposite end network element by the state information of obtaining:

Described state information sending module is further used for, and following at least one signaling message by air interface, sends to opposite end network element by the state information of obtaining:

Described state information sending module is further used for, and following at least one signaling message by S1 interface, sends to opposite end network element by the state information of obtaining:

The situation that takies of the ground side resource of mixed cell;

The situation that takies of the processing unit resource of mixed cell.

Described state information sending module is further used for, and by the mode of direct indication or indirect indication, sends Member Users in mixed cell take the state information of resource and/or the state information that non-Member Users takies resource to described opposite end network element;

The mode of described indirect indication comprise following one of at least:

Described opposite end network element comprises: Home eNodeB, macro base station, micro-base station, relay base station, equipment of the core network and user equipment (UE).

Described state information acquisition module is further used for,

By the mixed cell to its service, measure, obtain Member Users in mixed cell and take the state information of resource and/or the state information that non-Member Users takies resource; Or,

From other network elements, obtain Member Users in mixed cell and take the state information of resource and/or the state information that non-Member Users takies resource, described other network elements comprise: Home eNodeB, macro base station, micro-base station, relay base station and equipment of the core network.

Described state information sending module is further used for,

Initiatively send described state information to opposite end network element; Or,

After receiving the status request message of opposite end network element, by status response message, send described state information to opposite end network element.

Described state information is in order in the network element of auxiliary described opposite end, and as the adjacent base station of described base station, the user identity type according to the UE under adjacent base station in described mixed cell, carries out the RRM RRM operation to described UE.

A kind of method, base station of reporting mixed cell state provided by the present invention, by base station, Member Users in the mixed cell obtaining is taken to the state information of resource and/or the state information that non-Member Users takies resource, send to the opposite end network element that connects this base station, to assist opposite end network element to complete the handover decisions judgement that is switched to mixed cell for the UE of dissimilar identity, guaranteed that Member Users has higher switching priority than non-Member Users, improve Member Users's handover success rate, improved Member Users's service quality.

Accompanying drawing explanation

Fig. 1 is the E-UTRAN network architecture schematic diagram that is deployed with Home eNodeB that the embodiment of the present invention was suitable for;

Fig. 2 is a kind of flow chart of reporting the method for mixed cell state of the embodiment of the present invention;

Fig. 3 is the flow chart that the another kind of the embodiment of the present invention is reported the method for mixed cell state;

The flow chart that Fig. 4 switches for be switched to the X2 of hybrid Home eNodeB according to the UE of the embodiment of the present invention;

The flow chart that Fig. 5 switches for be switched to the S1 of hybrid Home eNodeB according to the UE of the embodiment of the present invention;

Fig. 6 is the composition structural representation of a kind of hybrid Home eNodeB of the embodiment of the present invention.

Embodiment

Below in conjunction with the drawings and specific embodiments, the technical solution of the present invention is further elaborated.

The embodiment of the present invention is applicable to the E-UTRAN network that is deployed with Home eNodeB, its network architecture as shown in Figure 1, Home eNodeB (HeNB) can pass through femto gateway (HeNB GW) and connect Mobility Management Entity (MME) as S1 agency, if HeNB is connected to MME, the relevant S1 signaling of HeNB GW relaying UE by HeNB GW as S1 agency.Between HeNB, have X2 interface, HeNB can carry out information interaction by this X2 interface.In addition, the information interaction between macro base station, micro-base station, relay base station etc. and HeNB also can forward through MME, by S1 interface, is undertaken.

A kind of method of reporting mixed cell state that the embodiment of the present invention provides, as shown in Figure 2, mainly comprises:

Step 201, base station obtains Member Users in mixed cell and takies the state information of resource and/or the state information that non-Member Users takies resource.

Described Member Users refers to the CSG Member Users in mixed cell, and described non-Member Users refers to the non-CSG Member Users in mixed cell.

Step 202, base station sends to the state information of obtaining the opposite end network element that connects described base station.

Wherein, described base station comprises: Home eNodeB, macro base station, micro-base station and relay base station.

Described step 201 specifically comprises:

Described step 202 specifically comprises:

In transmission mixed cell, described base station the mode of the state information of resource comprise following at least one:

1, in existing and/or newly-increased signaling message, add direct indication information element, the content of described indication information element indication comprise following one of at least: Member Users takies the state information of resource and the state information that non-Member Users takies resource; Member Users takies the state information of resource and the state information of all CU resources; Non-Member Users takies the state information of resource and the state information of all CU resources; Member Users takies the state information of resource and the state information that the relative Member Users of non-Member Users takies resource; Non-Member Users takies the state information of resource and the state information that the relatively non-Member Users of Member Users takies resource; The state information of the relatively all CU resources of the state information of all CU resources and Member Users; The state information of the state information of all CU resources and the relatively all CU resources of non-Member Users;

On the basis of the cell 2, comprising in existing and/or newly-increased signaling message, indicate, comprise further:

The new resource status indication of adding a kind of identity UE, comprises that Member Users and non-Member Users take the state indication of resource.The content of the indication information element indication of adding comprise following one of at least:

A, Member Users take the information of resource status;

B, non-Member Users take the state information of resource;

The state information of the relatively all CU resources of C, Member Users;

The state information of D, the relatively all CU resources of non-Member Users.

In addition, base station can, by directly indication or the indirectly mode of indication, send Member Users in mixed cell to opposite end network element and take the state information of resource and/or the state information that non-Member Users takies resource;

The mode of described indirect indication comprise following one of at least:

Described base station can, by following at least one interface, send to opposite end network element by the state information of obtaining:

X2 interface, S1 interface, air interface, operation management maintain (OAM) interface;

Wherein, described air interface comprises: Uu interface, Un interface.

Base station can, by following at least one signaling message on X2 interface, send to opposite end network element by the state information of obtaining:

Base station configuration updating information, load Indication message, resource status interaction message, switching related signaling message, user equipment (UE) context release message and existing other X2 signaling messages and newly-increased X2 signaling message.

Base station can, by following at least one signaling message in air interface, send to opposite end network element by the state information of obtaining:

Beep-page message, Radio Resource are controlled (RRC) and are connected reallocation message, RRC and connect reprovision and complete message, RRC connection request message, RRC and connect and set up message, RRC connection setup complete message, RRC connection refused message, RRC connection release message, wireless network (RN) reallocation message, RN reprovision and complete the signaling message on message and other existing and newly-increased eating dishes without rice or wine.

Base station can, by following at least one signaling message on S1 interface, send to opposite end network element by the state information of obtaining:

Switch and require message, switching command message, handover request message, switching request acknowledgement message and existing other S1 signaling messages and newly-increased S1 signaling message.

The situation that takies of the ground side resource of mixed cell;

The situation that takies of the processing unit resource of mixed cell.

Preferably, after step 202, the method can also comprise:

Step 203, in the network element of described opposite end, adjacent base station as described base station, after receiving the state information that described base station sends, user identity type according to received state information and the UE under adjacent base station in described mixed cell, carries out corresponding RRM (RRM) operation to described UE.

Wherein, adjacent base station judges that UE is in the user identity type of mixed cell, in the following ways one of at least:

Adjacent base station gets the CSG CAMEL-Subscription-Information of UE, based on described CSG CAMEL-Subscription-Information, judges that UE is in the user identity type of mixed cell;

Adjacent base station obtains UE in the user identity type of mixed cell from MME.

Take the base station of carrying out above-mentioned steps 201 and at 202 o'clock is below that blend modes of operation (hybrid) Home eNodeB is example, and the method for the report mixed cell state of the embodiment of the present invention is further elaborated.

The method of the another kind report mixed cell state that the embodiment of the present invention provides, as shown in Figure 3, mainly comprises the following steps:

Step 301, blend modes of operation (hybrid) Home eNodeB is measured the mixed cell of its service, and in statistics mixed cell, Member Users takies the state information of resource and/or the state information that non-Member Users takies resource.

Described Member Users refers to the CSG Member Users of hybrid Home eNodeB, and described non-Member Users refers to the non-CSG Member Users of hybrid Home eNodeB.

Step 302, hybrid Home eNodeB sends to the state information of statistics the adjacent base station of request resource state.

Preferably, hybrid Home eNodeB can be taken the state information of resource or indirectly be indicated Member Users and/or non-member takies the mode of the state information of resource by direct indication Member Users and/or non-member, sends the state information of statistics to the adjacent base station of hybrid Home eNodeB;

Wherein, described direct indication Member Users and/or non-member take the mode of the state information of resource, comprise following one of at least:

Described indirect indication Member Users and/or non-member take the mode of the state information of resource, comprise following one of at least:

Preferably, hybrid Home eNodeB, by following at least one interface, sends to the state information of statistics the adjacent base station of request resource state:

X2 interface, S1 interface, operation management maintain (OAM) interface.

Wherein, hybrid Home eNodeB sends to the state information of statistics by the signaling message on X2 interface the adjacent base station of request resource state, and this signaling message comprises existing and/or newly-increased publicly-owned message and existing and/or newly-increased private message;

Described publicly-owned message at least comprises: other the publicly-owned message on base station configuration updating information (eNB Configuration Update/eNB Configuration Acknowledge), load Indication message (Load Information), resource status interaction message (Resource Status Request/Resource Status Response/Resource Status Update) and existing X2 interface;

Described private message at least comprises: switch other private messages on related signaling message (Handover Request/Handover Acknowledge), UE context release message (UE Context Release) and existing X2 interface.

Wherein, hybrid Home eNodeB sends to the state information of statistics by the signaling message on S1 interface the adjacent base station of request resource state, and this signaling message at least comprises: switch and require message (Handover Required), switching command (Handover Command), handover request message (Handover Request), switching request acknowledgement message (Handover Request Acknowledge); Described state information specifically can be passed through Target Transparent Container IE and Target to Source Transparent Container IE cell, via MME, passes through adjacent base station.

Preferably, the state information that takies resource described in comprise following one of at least: the situation that takies of the up and/or descending interface-free resources of mixed cell; The situation that takies of the ground side resource of mixed cell; The situation that takies of the processing unit resource of mixed cell.

Preferably, after step 302, the method for the present embodiment can further include:

Step 303, adjacent base station receives after the state information that hybrid Home eNodeB sends, and according to received state information and the UE under adjacent base station, in the user identity type of described hybrid Home eNodeB, described UE carried out to corresponding RRM operation.

Wherein, one of them that adjacent base station can be in the following manner, know that UE is in the user identity type of described hybrid Home eNodeB:

The described UE that UE comprises in sending to the measurement report of described adjacent base station is in the user identity type of hybrid Home eNodeB;

The UE that described adjacent base station is judged is in the user identity type of described hybrid Home eNodeB.

Adjacent base station judges that UE is in the user identity type of hybrid Home eNodeB, in the following ways one of at least:

Adjacent base station based on and hybrid Home eNodeB between configuration relation and UE at member's identity information of described adjacent base station access, judge that UE is in the user identity type of hybrid Home eNodeB;

Adjacent base station gets the CSG CAMEL-Subscription-Information of UE, based on described CSG CAMEL-Subscription-Information, judges that UE is in the user identity type of hybrid Home eNodeB;

Adjacent base station obtains UE in the user identity type of hybrid Home eNodeB from MME.

Preferably, RRM operation comprises switching controls, and described switching controls comprises:

It should be noted that the adjacent base station of hybrid Home eNodeB in the embodiment of the present invention can be Home eNodeB, macro base station, micro-base station, relay base station etc.

Below in conjunction with concrete handoff scenario, the method for reporting status of the mixed cell of the embodiment of the present invention is further elaborated.

What the embodiment of the present invention one was described is under handoff scenario, the mode that UE switches with X2 is switched to described hybrid Home eNodeB from the adjacent base station of hybrid Home eNodeB, be that the adjacent base station of described hybrid Home eNodeB is as the source base station of UE switching, the target BS that described hybrid Home eNodeB switches as UE.Described target BS takies the state information of resource to Member Users under source base station report mixed cell and/or non-Member Users, thereby source base station is carried out different handover decisions according to described state information for the UE of different identity type and judged.As shown in Figure 4, the embodiment of the present invention mainly comprises the following steps:

Step 401, source base station sends resource status request (Resource Status Request) message to target BS, the request that target BS response source base station sends.

The resource status of request comprises: the situation that takies of the up and/or descending interface-free resources of mixed cell, the situation that takies of the ground side resource of mixed cell, the situation that takies of the processing unit resource of mixed cell.

After target BS receives the resource status request message of source base station, first can reply resource status response (Resource Status Response) message, respond the resource status request message that it receives, in described response message, can comprise the resource status kind that it can be measured;

Target BS is follow-up according to the parameter configuring in request message, and its mixed cell is measured.

Step 402, the interactive operation based on step 401, target BS is measured its mixed cell, and the state that respectively Member Users and/or non-Member Users is taken to resource is added up.

The mode of target BS statistics resource status can take following at least one:

Add up respectively Member Users and take the state of resource and the state that non-Member Users takies resource;

Add up respectively Member Users and take the state of resource and the state of all CU resources;

Add up respectively non-Member Users and take the state of resource and the state of all CU resources;

Add up respectively Member Users and take the state of resource and the state that the relative Member Users of non-Member Users takies resource;

Add up respectively non-Member Users and take the state of resource and the state that the relatively non-Member Users of Member Users takies resource;

Add up respectively the state of all CU resources and the state of the relatively all CU resources of Member Users;

Add up respectively the state of all CU resources and the state of the relatively all CU resources of non-Member Users.

The resource status of statistics comprises the situation that takies of the up and/or descending interface-free resources of the mixed cell of request in above-mentioned steps 401 operations, the situation that takies of the ground side resource of mixed cell, the situation that takies of the processing unit resource of mixed cell; Described statistical method comprises cycle statistics, also adds up the resource occupation average in a period of time length; Described measurement period (Reporting Periodicity) is included in the Resource Status Request message of source base station transmission.

The form of statistics can be the state of the occupied resource percentage in total available resources, can also be the percentage of the relatively another kind of CU resource of a kind of CU resource.

Step 403, resource status request (the Resource Status Request) message that target BS sends based on source base station sends resource status report.

Target BS can be reported user's resource state information by replying resource status request (the Resource Status Request) message of source base station, also can upgrade (Resource Status Update) message by periodic resource status and report user's resource state information.Described resource status report comprises cycle report, also be that described target BS can periodically be reported current resource state information to source base station, be included in described reporting period (Reporting Periodicity) in resource status request (the Resource Status Request) message of described source base station transmission.

The mode of state information that target BS sends the mixed cell resource of its statistics comprise following at least one:

1, in the existing and/or newly-increased signaling message on X2 interface, add direct indication information element, the content of described indication information element indication comprises the statistics in the various statistical methods in step 402, be specially following one of at least: Member Users takies the state information of resource and the state information that non-Member Users takies resource; Member Users takies the state information of resource and the state information of all CU resources; Non-Member Users takies the state information of resource and the state information of all CU resources; Member Users takies the state information of resource and the state information that the relative Member Users of non-Member Users takies resource; Non-Member Users takies the state information of resource and the state information that the relatively non-Member Users of Member Users takies resource; The state information of the relatively all CU resources of the state information of all CU resources and Member Users; The state information of the state information of all CU resources and the relatively all CU resources of non-Member Users.

On the basis of the cell 2, comprising in the existing and/or newly-increased signaling message on X2 interface, indicate, comprise further:

A, Member Users take the information of resource status;

B, non-Member Users take the state information of resource;

The state information of the relatively all CU resources of C, Member Users;

In addition, target BS can be taken the state information of resource or indirectly be indicated Member Users and/or non-member takies the mode of the state information of resource by direct indication Member Users and/or non-member, sends the state information of statistics to source base station;

Signaling message on the X2 interface that resource status report is used, can be existing and/or newly-increased publicly-owned message, can be also existing and/or newly-increased private message;

Described publicly-owned message at least comprises: other the publicly-owned message on base station configuration updating information (eNB Configuration Update/eNB Configuration Acknowledge), load Indication message (Load Information), resource status interaction message (Resource Status Request/Resource Status Response/Resource Status Update) and existing and newly-increased X2 interface;

Described private message at least comprises: switch other private messages on related signaling message (Handover Request/Handover Acknowledge), UE context release message (UE Context Release) and existing and newly-increased X2 interface.

Step 404, UE sends measurement report to source base station, comprises the target BS information of switching in described measurement report, alternatively, also comprises the identity information of UE in target BS in described measurement report, and described identity information comprises member's identity and non-member's identity.

Step 405, after source base station receives the measurement report of UE, obtains the identity information of described UE in the community of target BS, according to this described UE is carried out to handover decisions.

Described source base station is carried out handover decisions to UE: source base station, according to the information of the Target cell resource status of target BS report, is carried out handover decisions.Concrete handover decisions method comprises: if directly indication is directly just carried out handover decisions according to the content of indication information element indication; If indicate on existing signaling basics, need to carry out handover decisions according to existing information in existing signaling with together with newly-increased indication information.

Further, if UE is Member Users, can adopt following methods: source base station only considers by Member Users, to be taken in target BS the state execution handover decisions of resource, and not consider by non-Member Users, to be taken in target BS the state execution handover decisions of resource; If the state that takies resource by Member Users in target BS can meet the switching condition of system regulation, can initiate the handover operation for this UE to this target BS; Otherwise source base station can not be initiated to for this UE the handover operation of this target BS.

If UE is non-Member Users, can adopt following methods: source base station need to consider that the state of all CU resources in target BS carries out handover decisions, wherein the state of all CU resources comprises that Member Users takies the state of resource and the state that non-Member Users takies resource; If the state of all CU resources can meet the switching condition of system regulation in target BS, can initiate the handover operation for this UE to this target BS; Otherwise source base station can not be initiated to for this UE the handover operation of this target BS.

Preferably, source base station obtains UE in the user identity type of target BS, in the following ways one of at least:

The described UE that UE comprises in sending to the measurement report of source base station is in the user identity type of target BS;

The UE that source base station is judged according to relevant information is in the user identity type of described target BS.

Described source base station judges that UE is in the user identity type of target BS, in the following ways at least it

Source base station based on and target BS between configuration relation and UE at member's identity information of described source base station access, judge that UE is in the user identity type of target BS;

Source base station gets the CSG CAMEL-Subscription-Information of UE, based on described CSG CAMEL-Subscription-Information, judges that UE is in the user identity type of target BS;

Source base station obtains UE in the user identity type of target BS from MME.

Step 406, if source base station is adjudicated the Target cell that community that adjacent target BS comprises can be used as handover operation, and further, if system judge can be based on UE described in X2 handover operation flow performing the handover operation to adjacent target base station, to adjacent target BS, send handover request message.

Step 407, target BS, after receiving control, sends switching request acknowledgement message to source base station; When target BS is carried out described receiving control, can consider that UE is at the identity information of target BS, described identity information comprises Member Users and non-Member Users.

Step 408, carries out remaining operating process.

Described remaining operating process, refer to switch and confirm request message other normal X 2 handover operation flow processs afterwards, comprising: source base station transmission Radio Resource control (RRC) connects reallocation message and from the attachment removal of source base station community, UE, is linked at random adjacent base station etc. to UE, UE.

What the embodiment of the present invention two was described is under handoff scenario, the mode that UE switches with S1 is switched to described hybrid Home eNodeB from the adjacent base station of hybrid Home eNodeB, be that the adjacent base station of described hybrid Home eNodeB is as the source base station of UE switching, the target BS that described hybrid Home eNodeB switches as UE.

Described target BS takies the state information of resource to Member Users under source base station report mixed cell and/or non-Member Users, thereby source base station is carried out different handover decisions according to described state information for the UE of different identity type and judged.As shown in Figure 5, the embodiment of the present invention mainly comprises the following steps:

Step 501, source base station sends resource status request (Resource Status Request) message to target BS, the request that target BS response source base station sends.

Owing to there is no direct X2 interface between source base station and target BS, resource status request (Resource Status Request) message and resource status response (Resource Status Response) message all need to forward through MME, by S1 signaling message, transmit.

Described source base station can be macro base station, micro-base station, Home eNodeB, relay base station etc.; The resource status of request comprises: the situation that takies of the up and/or descending interface-free resources of mixed cell, the situation that takies of the ground side resource of mixed cell, and the situation that takies of the processing unit resource of mixed cell.

After target BS receives the resource status request message of source base station, first can reply resource status response (Resource Status Response) message, respond the resource status request message that it receives, in described response message, can comprise the resource status kind that it can be measured; Target BS is follow-up according to the parameter configuring in request message, and its mixed cell is measured.

Step 502, identical with step 402, repeat no more herein.

Step 503, target BS sends to MME by S1 interface by resource status report.

Target BS can be reported user's resource state information by replying resource status request (the Resource Status Request) message of source base station, also can upgrade (Resource Status Update) message by periodic resource status and report user's resource state information.Described resource status report comprises cycle report, also be that described target BS can periodically be reported current resource state information to source base station, be included in described reporting period (Reporting Periodicity) in resource status request (the Resource Status Request) message of described source base station.

The mode that target BS sends the mixed cell resource state information of its statistics comprise following at least one:

1, in the existing and/or newly-increased signaling message on S1 interface, add direct indication information element, the content of described indication information element indication comprises the statistics in the various statistical methods in step 502; Be specially following one of at least: Member Users takies the state information of resource and the state information that non-Member Users takies resource; Member Users takies the state information of resource and the state information of all CU resources; Non-Member Users takies the state information of resource and the state information of all CU resources; Member Users takies the state information of resource and the state information that the relative Member Users of non-Member Users takies resource; Non-Member Users takies the state information of resource and the state information that the relatively non-Member Users of Member Users takies resource; The state information of the relatively all CU resources of the state information of all CU resources and Member Users; The state information of the state information of all CU resources and the relatively all CU resources of non-Member Users.

On the basis of the cell 2, comprising in the existing and/or newly-increased signaling message on S1 interface, indicate, comprise further:

The new resource status indication of adding a kind of identity UE, comprises that Member Users or non-Member Users take the state indication of resource.The content of the indication information element indication of adding comprise following one of at least:

A, Member Users take the information of resource status;

B, non-Member Users take the state information of resource;

The state information of the relatively all CU resources of C, Member Users;

Signaling message on the S1 interface that resource status report is used, at least comprises: switch and require the message on message (Handover Required), switching command message (Handover Command), handover request message (Handover Request), switching request acknowledgement message (Handover Request Acknowledge) and other existing and newly-increased S1 interfaces; Described state information specifically can be passed through Target Transparent Container IE and Target to Source Transparent Container IE cell, via MME, passes through source base station.

Step 504, MME receives after the resource status report of target BS, by the message on S1 interface, this resource status report is transmitted to source base station.

Signaling message on described S1 interface, at least comprises: switch and require the message on message (Handover Required), switching command message (Handover Command), handover request message (Handover Request), switching request acknowledgement message (Handover Request Acknowledge) and other existing and newly-increased S1 interfaces.

Step 505, identical with step 404, repeat no more herein.

Step 506, identical with step 405, repeat no more herein.

Step 507, if source base station is adjudicated the Target cell that community that adjacent target BS comprises can be used as handover operation, and further, if system judge can be based on UE described in S1 handover operation flow performing the handover operation to adjacent target base station, to the MME of UE current service, send to switch and require message.

Step 508, after MME receives that the switching of source base station requires message, then by S1 interface, sends switching request acknowledgement message to target BS.

Step 509, target BS, after receiving control, sends switching request acknowledgement message to MME; When target BS is carried out described receiving control, can consider that UE is at the identity information of target BS, described identity information comprises Member Users and non-Member Users.

Step 510, after MME receives the switching request acknowledgement message of target BS, sends switching command message to source base station.

Step 511, carries out remaining operating process.

Described remaining operating process, refer to other the normal S1 handover operation flow processs after switching command message, comprising: source base station sends switching command message and to UE, UE, from the attachment removal of source base station community, UE, is linked at random adjacent base station, UE and sends switch acknowledgment message to target BS etc.

In addition, the method for reporting status of the mixed cell of the corresponding embodiment of the present invention, the embodiment of the present invention also provides a kind of base station, as shown in Figure 6, comprising: state information acquisition module 10 and state information sending module 20.

Wherein, state information acquisition module 10, takies the state information of resource and/or the state information that non-Member Users takies resource for obtaining Member Users in mixed cell;

State information sending module 20, for sending to the state information of obtaining the opposite end network element that connects described base station.

Described base station can be: Home eNodeB, macro base station, micro-base station or relay base station.

Described opposite end network element can be: Home eNodeB, macro base station, micro-base station, relay base station, equipment of the core network or UE.

Preferably, state information acquisition module 10 is further used for,

Preferably, described state information sending module 20 is further used for,

Preferably, described state information sending module 20 is further used for, and by the mode of direct indication or indirect indication, sends Member Users in mixed cell take the state information of resource and/or the state information that non-Member Users takies resource to described opposite end network element;

The mode of described indirect indication comprise following one of at least:

Described state information sending module 20 is further used for, and by following at least one interface, the state information of obtaining is sent to opposite end network element:

X2 interface, S1 interface, air interface, OAM interface;

Wherein, described air interface comprises: Uu interface, Un interface.

Described state information sending module 20 is further used for, and following at least one signaling message by X2 interface, sends to opposite end network element by the state information of obtaining:

Described state information sending module 20 is further used for, and following at least one signaling message by air interface, sends to opposite end network element by the state information of obtaining:

Beep-page message, RRC connect reallocation message, RRC and connect reprovision and complete message, RRC connection request message, RRC and connect and set up message, RRC connection setup complete message, RRC connection refused message, RRC connection release message, RN reallocation message, RN reprovision and complete message.

Described state information sending module 20 is further used for, and following at least one signaling message by S1 interface, sends to opposite end network element by the state information of obtaining:

Described RRM operation comprises switching controls, and described switching controls comprises: adjacent base station is for Member Users's UE, and the state information that takies resource according to Member Users in the state information receiving, carries out the switching access control to described UE; Adjacent base station, for non-Member Users's UE, takies the state information of resource and the state information that non-Member Users takies resource according to Member Users in the state information receiving, and carries out the switching access control to described UE.

In sum, the embodiment of the present invention takies the state information of resource and/or the state information that non-Member Users takies resource by base station by Member Users in the mixed cell obtaining, send to the opposite end network element that connects this base station, to assist opposite end network element to complete the handover decisions judgement that is switched to mixed cell for the UE of dissimilar identity, guaranteed that Member Users has higher switching priority than non-Member Users, improve Member Users's handover success rate, improved Member Users's service quality.

The above, be only preferred embodiment of the present invention, is not intended to limit protection scope of the present invention.

Claims

1. a method of reporting mixed cell state, is characterized in that, the method comprises:

2. report according to claim 1 the method for mixed cell state, it is characterized in that, the method further comprises:

3. report according to claim 2 the method for mixed cell state, it is characterized in that in the following manner one of them of described adjacent base station knows that UE is in the user identity type of described mixed cell:

4. report according to claim 3 the method for mixed cell state, it is characterized in that, adjacent base station judges that UE is in the user identity type of mixed cell, in the following ways one of at least:

5. report according to claim 2 the method for mixed cell state, it is characterized in that, described RRM operation comprises switching controls, and described switching controls comprises:

6. report according to claim 1 the method for mixed cell state, it is characterized in that, described base station, by following at least one interface, sends to opposite end network element by the state information of obtaining:

Wherein, described air interface comprises: Uu interface, Un interface.

7. report according to claim 6 the method for mixed cell state, it is characterized in that, base station, by following at least one signaling message on X2 interface, sends to opposite end network element by the state information of obtaining:

8. report according to claim 6 the method for mixed cell state, it is characterized in that, base station, by following at least one signaling message in air interface, sends to opposite end network element by the state information of obtaining:

9. report according to claim 6 the method for mixed cell state, it is characterized in that, base station, by following at least one signaling message on S1 interface, sends to opposite end network element by the state information of obtaining:

10. report according to claim 1 the method for mixed cell state, it is characterized in that, described in take resource state information comprise following one of at least:

The situation that takies of the ground side resource of mixed cell;

The situation that takies of the processing unit resource of mixed cell.

11. report the method for mixed cell state according to claim 1, it is characterized in that, the method further comprises:

The mode of described indirect indication comprise following one of at least:

12. according to the method for reporting mixed cell state described in claim 1 to 11 any one, it is characterized in that, described base station comprises: Home eNodeB, macro base station, micro-base station and relay base station.

13. according to the method for reporting mixed cell state described in claim 1 to 11 any one, it is characterized in that, described opposite end network element comprises: Home eNodeB, macro base station, micro-base station, relay base station, equipment of the core network and UE.

14. according to the method for reporting mixed cell state described in claim 1 to 11 any one, it is characterized in that, described base station obtains Member Users in mixed cell and takies the state information of resource and/or the state information that non-Member Users takies resource, comprising:

15. according to the method for reporting mixed cell state described in claim 1 to 11 any one, it is characterized in that, described base station sends to the state information of obtaining the opposite end network element that connects described base station, comprising:

16. 1 kinds of base stations, is characterized in that, comprising:

17. according to base station described in claim 16, it is characterized in that, described state information sending module is further used for, and by following at least one interface, the state information of obtaining is sent to opposite end network element:

Wherein, described air interface comprises: Uu interface, Un interface.

18. according to base station described in claim 17, it is characterized in that, described state information sending module is further used for, and following at least one signaling message by X2 interface, sends to opposite end network element by the state information of obtaining:

19. according to base station described in claim 17, it is characterized in that, described state information sending module is further used for, and following at least one signaling message by air interface, sends to opposite end network element by the state information of obtaining:

20. according to base station described in claim 17, it is characterized in that, described state information sending module is further used for, and following at least one signaling message by S1 interface, sends to opposite end network element by the state information of obtaining:

21. according to base station described in claim 16, it is characterized in that, described in take resource state information comprise following one of at least:

The situation that takies of the ground side resource of mixed cell;

The situation that takies of the processing unit resource of mixed cell.

22. according to base station described in claim 16, it is characterized in that, described state information sending module is further used for, by the mode of direct indication or indirect indication, to described opposite end network element, send Member Users in mixed cell and take the state information of resource and/or the state information that non-Member Users takies resource;

The mode of described indirect indication comprise following one of at least:

23. according to claim 16 to base station described in 22 any one, it is characterized in that, described base station comprises: Home eNodeB, macro base station, micro-base station and relay base station.

24. according to claim 16 to base station described in 22 any one, it is characterized in that, described opposite end network element comprises: Home eNodeB, macro base station, micro-base station, relay base station, equipment of the core network and user equipment (UE).

25. according to claim 16 to base station described in 22 any one, it is characterized in that, described state information acquisition module is further used for,

26. according to claim 16 to base station described in 22 any one, it is characterized in that, described state information sending module is further used for,

27. according to claim 16 to base station described in 22 any one, it is characterized in that, described state information is in order in the network element of auxiliary described opposite end, adjacent base station as described base station, user identity type according to the UE under adjacent base station in described mixed cell, carries out the RRM RRM operation to described UE.

28. according to base station described in claim 27, it is characterized in that, described RRM operation comprises switching controls, and described switching controls comprises: