CN101998369B - Transmission method and system of uplink message - Google Patents
Transmission method and system of uplink message Download PDFInfo
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- CN101998369B CN101998369B CN200910168545.2A CN200910168545A CN101998369B CN 101998369 B CN101998369 B CN 101998369B CN 200910168545 A CN200910168545 A CN 200910168545A CN 101998369 B CN101998369 B CN 101998369B
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Abstract
The invention relates to transmission method and system of an uplink message, belonging to the field of mobile communication. The method of the invention comprises the steps of: sending an RANAP (Radio Access Network Application Part) message or an RNSAP (Radio Network Subsystem Application Part) message to a home base station gateway by a home base station through a RUA (Remote User Agent) message when the RANAP message or the RNSAP message sent by the home base station to the home base station gateway needs to be processed by the home base station gateway, and indicating the home base station gateway to process the RANAP message or the RNSAP message in the RUA message. By adopting the technical scheme of the invention, the home base station gateway can judge whether to carry out gateway processing to the message borne in the RUA message or not according to the indication information carried in the received uplink RUA message, thereby the gateway load of the home base station is greatly lightened.
Description
Technical field
The present invention relates to moving communicating field, particularly a kind of transmission method of upstream message and system.
Background technology
Home eNodeB is a kind of small-sized, low-power cellular basestation, is mainly used in the indoor place such as family and office and gains the name.One of its effect is as Cellular Networks supplementing, for user provides speech and data, services at in-door covering.Home eNodeB has low cost, plug and play, by the feature such as broadband access, low-power.Home eNodeB can access 3G or LTE (Long Term Evolution, Long Term Evolution) network.
The network architecture diagram of 3G, as shown in Figure 1, in 3G network framework, base station is connected by Iu interface with core net.Fig. 2 is the protocol stack description figure that Iu interface adopts.For the ease of to HNB (HomeNodeB, Home eNodeB) manage, reduce the impact to core net (Core Network is called for short CN), family base station system wireless access network introduces HNB GW (Home NodeB Gateway, femto gateway).Figure 3 shows that 3G home base station network framework, wherein, HNB GW is connected with core net, and 3G HNB is connected to HNB GW, and wireless access network and core network interface inherit macro base station and core network interface is similarly Iu interface.As shown in Figure 4, RUA (RANAP UserAdaption, RANAP user adaptation layer) agreement is carried on Stream Control Transmission Protocol the signaling transfer protocol stack architecture that Iuh mouth in 3G HNB framework adopts.The function of RUA agreement is exactly at Iuh interface bearing RANAP (RANApplication Protocol, wireless access network application protocol) or RNSAP (Radio NetworkSubsystem Application Part, Radio Network Subsystem Application Part) message.When RANAP or the RNSAP message that Home eNodeB sends needs to be sent to core net by femto gateway, after femto gateway receives the RUA message of Home eNodeB transmission, RANAP or the RNSAP message carried in RUA is not processed, just this RANAP or RNSAP message is passed through another one network element, such as core network element or another Home eNodeB.All RANAP or RNSAP message between Home eNodeB and core net in the transmission of Iuh interface all by RUA message bearing.
3GPP (3rd Generation Partnership Project, third generation Partnership Program) normal structure proposition, for the ease of access control and accounting management, three kinds of access waies for HNB cell definitions: enclosed type access way, mixed type access way, opening access way.User can be registered as a CSG (Closed Subscriber Group, closed user group) user, when a HNB is enclosed type access way, only has the registered user of CSG belonging to this HNB can access this HNB and enjoys the business that HNB provides.And judge that the operation that can UE (User Equipment, subscriber equipment) access certain HNB is called access control, at present the access control of the UE supporting CSG concept is completed in core net.
Home eNodeB can be supplied to the UE service the same with macro base station, provides the mobile management of UE, realizes the two-way switching between macrocell and Home eNodeB and between Home eNodeB.The switching flow that switching flow between Home eNodeB and macro base station and Home eNodeB can be followed between existing macro base station completely realizes.Home eNodeB can by sending the repositioning process that Iu interface reorientation message realizes UE to core net, and RANAP reorientation message is transmitted at Iuh interface, and uses RUA message bearing.
During switching, if target BS and source base station belong to different CSG, so access control needs to be realized by core net; If when target BS and source base station are connected with same femto gateway and all belong to same CSG, so UE must access target household base station, do not need to carry out access control in core net, the RELOCATION REQUEST message that source Home eNodeB is initiated can stop at femto gateway and not be forwarded to core net.Like this, femto gateway just needs the content according to the RANAP handover request message of carrying in RUA message, judges the relation of source Home eNodeB and target household base station.This RANAP message if do not resolve the RANAP message of wherein carrying, can not be transmitted to CN still in gateway processes according to the information decision in existing RUA message after receiving the RUA message of carrying RELOCATION REQUEST message by femto gateway.This just needs femto gateway to decode the RANAP message of carrying in all RUA message.Illustrate for the reorientation flow process of UE in home base station network framework in prior art below.Fig. 5 describes the reorientation flow process of UE, and in this flow process, source Home eNodeB is connected with same femto gateway with target household base station, and source Home eNodeB and target household base station all belong to same CSG.This reorientation flow process comprises following steps:
S501: source Home eNodeB judges to need UE to be reoriented to target household base station;
S502: source Home eNodeB directly transmits RUA message to femto gateway, carries RANAP RELOCATION REQUEST message (relocation required) in message;
S503: femto gateway receives RUA message, decodes to wherein all RANAP message, and by this carrying known of decoded message content is reorientation message, and from reorientation message, obtain which target household base station UE is reoriented to; Find that this is the switching flow of a GW inside according to the positional information of source Home eNodeB and target household base station, Home eNodeB identification information and CSG ID, HNB GW, and source Home eNodeB and target household base station belong to same CSG;
S504: femto gateway sends RUA direct-sending message to target household base station, wherein carries re-positioning request (relocation request) message;
S505: target household base station is the reorientation Resources allocation of UE;
S506: target household base station sends RELOCATION REQUEST message response to femto gateway;
S507: femto gateway sends reorientation order (relocationcommand) message to source Home eNodeB;
S508: source Home eNodeB sends physical channel reallocation message to UE;
S509:UE sends uplink synchronous message to target household base station;
S510: target household base station sends relocation detect-message (relocationdetect) to femto gateway;
S511:UE sends physical channel reprovision and completes message to target household base station;
S512: target household base station sends RUA direct-sending message to femto gateway, carries reorientation and complete message in message;
S513: optional femto gateway sends to source Home eNodeB and removes registration message.
This shows, in reorientation flow process, in order to correctly judge the behavior needing to perform, femto gateway needs to resolve the RANAP message of carrying in all up RUA message received.Equally, in other reciprocal processes of femto gateway and Home eNodeB, femto gateway all will resolve the RANAP message of carrying in received all RUA message, and could correctly judge whether needs received message to pass through core network element or other network elements.So not only can bring the load of femto gateway, and be contrary to the purpose of design of RUA agreement, therefore prior art has significant limitation.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of transmission method and system of upstream message, thus alleviates the load of femto gateway.
In order to solve the problem, the transmission method that the invention discloses a kind of upstream message comprises:
When the wireless access network application protocol (RANAP) that Home eNodeB sends to femto gateway or Radio Network Subsystem Application Part (RNSAP) message need described femto gateway to process, described RANAP or RNSAP message is sent to described femto gateway by RANAP user adaptation layer (RUA) message by described Home eNodeB, and in described RUA message, indicate femto gateway to process described RANAP or RNSAP message.
Further, in said method, described Home eNodeB, by carrying effective gateway processes indication information in described RUA message, processes described RANAP or RNSAP message to indicate femto gateway;
Described femto gateway receives described RUA message, judges to carry described effective gateway processes indication information in described RUA message, then carry out processing locality to RANAP or the RNSAP message in this RUA message.
Wherein, when described Home eNodeB does not need described femto gateway to process to RANAP or the RNSAP message that described femto gateway sends, described RANAP or RNSAP message is sent to described femto gateway by RUA message by described Home eNodeB, and carries invalid gateway processes indication information in described RUA message;
Described femto gateway receives described RUA message, judges to carry described invalid gateway processes indication information in described RUA message, then this RUA message of transparent transmission.
Described Home eNodeB, by the newly-increased cell in described RUA message, carries described gateway processes indication information.
Further, in said method, described Home eNodeB is by the type of message of described RUA message, and to indicate femto gateway to process described RANAP or RNSAP message, wherein, the type of message of described RUA message is default special RUA message;
Described femto gateway receives described RUA message, judges that in described RUA message, type of message is default special RUA message, then carry out processing locality to RANAP or the RNSAP message in this RUA message.
The invention also discloses a kind of transmission system of upstream message, comprise Home eNodeB and femto gateway, wherein:
Described Home eNodeB, for sending RANAP user adaptation layer (RUA) message carrying wireless access network application protocol (RANAP) or Radio Network Subsystem Application Part (RNSAP) message to described femto gateway, when RANAP or the RNSAP message carried in described RUA message needs described femto gateway to process, and in described RUA message, femto gateway is indicated to process described RANAP or RNSAP message;
Described femto gateway, for receiving described RUA message, and processes RANAP or the RNSAP message in described RUA message.
Further, in said system, described Home eNodeB, by carrying effective gateway processes indication information in described RUA message, processes described RANAP or RNSAP message to indicate femto gateway.
Wherein, when described Home eNodeB does not need described femto gateway to process to RANAP or the RNSAP message that described femto gateway sends, described Home eNodeB, also for carrying invalid gateway processes indication information in the RUA message carrying described RANAP or RNSAP message;
Described femto gateway, also for receiving described RUA message, judges to carry described invalid gateway processes indication information in described RUA message, then this RUA message of transparent transmission.
Described Home eNodeB, carries described gateway processes indication information by the newly-increased cell in described RUA message.
Further, in said system, described Home eNodeB, by the type of message of described RUA message, to indicate femto gateway to process described RANAP or RNSAP message, wherein, the type of message of described RUA message is default special RUA message.
After adopting technical solution of the present invention, femto gateway can judge whether that according to the indication information carried in the up RUA message received the message to carrying in this RUA message carries out gateway processes, thus significantly reduces femto gateway load.
Accompanying drawing explanation
Fig. 1 is 3G network Organization Chart;
Fig. 2 is the protocol stack diagram of Iu interface;
Fig. 3 is the network architecture diagram of 3G HNB;
Fig. 4 is the protocol stack diagram of IUH interface in the network architecture of 3G HNB;
Fig. 5 is the UE reorientation flow chart in prior art femto gateway in CSG;
Fig. 6 is the flow chart of embodiments of the invention 1;
Fig. 7 is the structural representation of the message adopted in flow process shown in Fig. 6;
Fig. 8 is the flow chart of embodiments of the invention 2;
Fig. 9 is the structural representation of the message adopted in flow process shown in Fig. 8;
Figure 10 is embodiments of the invention 3 flow charts;
Figure 11 is the structural representation of the message adopted in flow process shown in Figure 10;
Figure 12 is the flow chart adopting the present invention to realize the UE reorientation in CSG;
Figure 13 is the flow chart of embodiments of the invention 4.
Embodiment
Central scope of the present invention is, the RUA message that can carry RANAP or RNSAP message is expanded, and namely increases in this kind of RUA message and is used to indicate the RANAP message that carries in the message information the need of gateway processes.Particularly, when HNB sends RUA message, if RANAP or the RNSAP message that this RUA message carries does not need femto gateway to be transparent to other network elements, but need to carry out processing locality (i.e. gateway processes) at femto gateway, then in RUA message, carry effective gateway processes indication information, to indicate femto gateway, processing locality is carried out to RANAP or the RNSAP message in this RUA, wherein, the process that femto gateway carries out comprises decodes to RANAP or RNSAP message, resolve decoded message content, preserve message content etc.Otherwise, when namely femto gateway does not need to carry out processing locality to RANAP or the RNSAP message carried in the RUA message received, then in RUA message, do not carry effective gateway processes indication information or carry invalid gateway processes indication information.
In addition, a special RUA message can also be increased, this message-specific needs RANAP or the RNSAP message of femto gateway process in carrying, now, when femto gateway receives special RUA message, for RANAP or the RNSAP message that this special RUA message carries, femto gateway all needs to carry out processing locality, and such as decoding waits operation.And for RANAP or the RNSAP message with existing RUA message bearing, femto gateway does not then need carrying out processing locality, and directly pass through other network elements, other network elements can be core network element or target household base station.
Below in conjunction with drawings and the specific embodiments, technical solution of the present invention is described in further details.
A transmission system for upstream message, comprises Home eNodeB and femto gateway.Wherein:
Home eNodeB, for sending the RUA message carrying RANAP or RNSAP message to femto gateway, when RANAP or the RNSAP message of sent RUA message bearing needs femto gateway to carry out processing locality, such as decoding process etc., Home eNodeB can carry effective gateway processes indication information in this RUA message, when RANAP or the RNSAP message of the RUA message bearing that will send does not need femto gateway to carry out processing locality and directly passes through other network elements, Home eNodeB then carries invalid gateway processes indication information or do not carry any gateway processes indication information in this RUA message in this RUA message,
Femto gateway, for receiving the RUA message that Home eNodeB sends, and judge in RUA message, whether to carry effective gateway processes indication information, when carrying effective gateway processes indication information in RUA message, then resolve RANAP or the RNSAP message that this RUA message carries, when carrying invalid gateway processes indication information in RUA message or not carrying any gateway processes indication information, then this RUA message is passed through other network elements.
In other embodiments, also can the good special RUA message of predefined between Home eNodeB and femto gateway, now, when Home eNodeB needs femto gateway to carry out processing locality to RANAP or the RNSAP message that femto gateway sends, then by above-mentioned RANAP or the RNSAP message of this special RUA message bearing, to send to femto gateway.When Home eNodeB does not need femto gateway to carry out processing locality to RANAP or the RNSAP message that femto gateway sends, then by existing RUA message, above-mentioned RANAP or RNSAP message is sent to femto gateway;
Femto gateway, when receiving special RUA message, carrying out processing locality to RANAP or the RNSAP message in this special RUA message, when receiving existing RUA message, then this RUA message being passed through other network elements.
Below with reference to Fig. 6 to Figure 13, the process of the Home eNodeB in said system to femto gateway transmission upstream message is described in detail.
Embodiment 1
When above-mentioned Home eNodeB sends the process of the connection message (Connect) in RUA agreement to femto gateway, as shown in Figure 6, comprise the following steps:
S601: Home eNodeB increases effective gateway processes indication information in Connect message;
In this step, because RANAP or the RNSAP message carried in Connect message needs femto gateway to carry out processing locality, wherein, the processing locality that femto gateway carries out at least comprises decodes to RANAP or RNSAP message, resolves decoded message content, preserves the operation such as message content, therefore Home eNodeB adds effective gateway processes indication information in Connect message, in the present embodiment, the cell structure of connection message as shown in Figure 7;
S602: Home eNodeB sends above-mentioned connection message to femto gateway;
S603: femto gateway receives connection message, judges to carry effective gateway processes indication information in this connection message, then carries out processing locality to RANAP or the RNSAP message that this connection message carries, such as decoding waits operation.
Embodiment 2:
The process of the direct message transfer (Directtransfer) in the RUA agreement that Home eNodeB sends to femto gateway, as shown in Figure 8, comprises the following steps:
S801: Home eNodeB increases effective gateway processes indication information in direct message transfer;
In this step, because RANAP or the RNSAP message carried in direct message transfer needs femto gateway to carry out processing locality, therefore Home eNodeB adds effective gateway processes indication information in direct message transfer, in the present embodiment, the cell structure of direct message transfer as shown in Figure 9;
S802: Home eNodeB sends above-mentioned direct message transfer to femto gateway;
S803: femto gateway receives above-mentioned direct message transfer, judges to carry effective gateway processes indication information in this direct message transfer, then carries out processing locality to RANAP or the RNSAP message that this direct message transfer carries, process of such as decoding.
Embodiment 3:
The process of removing connection message (Disconnection) in the RUA agreement that Home eNodeB sends to femto gateway, as shown in Figure 10, comprises the following steps:
S1001: Home eNodeB is going to increase effective gateway processes indication information in connection message;
In this step, femto gateway is needed to carry out processing locality owing to going RANAP or the RNSAP message carried in connection message, therefore Home eNodeB is going to add effective gateway processes indication information in connection message, in the present embodiment, removes the cell structure of connection message as shown in figure 11;
S1002: Home eNodeB removes connection message to femto gateway transmission is above-mentioned;
S1003: femto gateway reception is above-mentioned removes connection message, judge that this goes to carry effective gateway processes indication information in connection message, then carry out processing locality to RANAP or the RNSAP message that this goes connection message to carry, processing locality can comprise decoding process.
Embodiment 4:
In the process of reorientation between Home eNodeB, the process carrying the RUA protocol message of reorientation message that Home eNodeB sends to femto gateway, as shown in figure 12, comprises the following steps:
S1201: source Home eNodeB judges to need UE to be reoriented to target household base station;
S1202: source Home eNodeB sends to femto gateway and directly transmits message, and effective gateway processes indication information is carried in this directly transmission message, to indicate femto gateway, processing locality is carried out to this RANAP message that directly transmission message carries;
In this step, because target household base station is connected with same femto gateway with source Home eNodeB, and belong to same CSG, namely this directly transmits message needs femto gateway to carry out processing locality, therefore need to carry effective gateway processes indication information in this directly transmission message.
S1203: femto gateway receives and directly transmits message, judge that this directly transmits in message and carry effective gateway processes indication information, then processing locality is carried out to this RANAP message that directly transmission message carries, such as to decode process, and by the information that obtains after decoding is known, UE is reoriented to target household Home eNodeB;
S1204: femto gateway sends RUA direct-sending message to target household base station, wherein carries re-positioning request (relocation request) message;
S1205: target household base station receives above-mentioned RUA direct-sending message is the reorientation Resources allocation of UE;
S1206: target household base station sends RELOCATION REQUEST message response to femto gateway, and effective gateway processes indication information is carried in the RUA message of this RELOCATION REQUEST message of carrying response;
S1207: after femto gateway receives above-mentioned RUA message, judge in this message, to carry effective gateway processes indication information, then resolve the RELOCATION REQUEST message response that RUA message carries, and according to the information obtained after decoding, send reorientation order (relocation command) message to source Home eNodeB;
S1208: source Home eNodeB receives above-mentioned reorientation command messages, then send physical channel reallocation message to UE;
S909:UE sends uplink synchronous message to target household base station;
S1210: target household base station sends relocation detect-message (relocationdetect) to femto gateway, and effective gateway processes indication information is carried in the RUA message of this relocation detect-message of carrying;
S1211:UE sends physical channel reprovision and completes message to target household base station;
S1212: target household base station sends to femto gateway and carries the RUA direct-sending message that reorientation completes message, carries effective gateway processes indication information in this RUA direct-sending message;
S1213: femto gateway sends to source Home eNodeB and removes registration message.
Embodiment 5:
Between Home eNodeB and femto gateway can the special RUA message of predefined (namely presetting) (being called InDirect Transfer in the present embodiment) for carrying RANAP or RNSAP message, after femto gateway receives this message, all processing locality will be carried out to RANAP or the RNSAP message wherein carried, detailed process, as shown in figure 13, comprise the following steps:
S1301: if Home eNodeB judges to send to RANAP or the RNSAP message of femto gateway to need femto gateway to carry out processing locality, then adopt above-mentioned RANAP or the RNSAP message of InDirect Transfer message bearing;
In this step, if when Home eNodeB judges to send to RANAP or the RNSAP message of femto gateway not need femto gateway to carry out processing locality, then above-mentioned RANAP or the RNSAP message of existing RUA message bearing can be adopted.
S1302: Home eNodeB sends InDirect Transfer message to femto gateway;
S1303: femto gateway receives InDirect Transfer message, and carries out processing locality to RANAP or the RNSAP message carried in this message, to obtain the content of RANAP or the RNSAP message carried in InDirect Transfer message.
As can be seen from above-described embodiment, adopt technical solution of the present invention, femto gateway can judge whether according to the processing locality indication information carried in the up RUA message received to carry out processing locality to the message carried in RUA, as decoding process.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a transmission method for upstream message, is characterized in that, the method comprises:
When the wireless access network application protocol (RANAP) that Home eNodeB sends to femto gateway or Radio Network Subsystem Application Part (RNSAP) message need described femto gateway to process, described RANAP or RNSAP message is sent to described femto gateway by RANAP user adaptation layer (RUA) message by described Home eNodeB, and in described RUA message, indicate femto gateway to process described RANAP or RNSAP message;
Or,
Increase special RUA message, described special RUA message-specific needs RANAP or the RNSAP message of described femto gateway process in carrying, when described femto gateway receives described special RUA message, processing locality is carried out to described RANAP or the RNSAP message that described special RUA message carries; For described RANAP or the RNSAP message with existing RUA message bearing, described femto gateway does not need to carry out processing locality, directly passes through other network elements; Other network elements described can be core network element or target household base station.
2. the method for claim 1, is characterized in that,
Described Home eNodeB, by carrying effective gateway processes indication information in described RUA message, processes described RANAP or RNSAP message to indicate femto gateway;
Described femto gateway receives described RUA message, judges to carry described effective gateway processes indication information in described RUA message, then carry out processing locality to RANAP or the RNSAP message in this RUA message.
3. method as claimed in claim 2, is characterized in that,
When described Home eNodeB does not need described femto gateway to process to RANAP or the RNSAP message that described femto gateway sends, described RANAP or RNSAP message is sent to described femto gateway by RUA message by described Home eNodeB, and carries invalid gateway processes indication information in described RUA message;
Described femto gateway receives described RUA message, judges to carry described invalid gateway processes indication information in described RUA message, then this RUA message of transparent transmission.
4. method as claimed in claim 2 or claim 3, is characterized in that,
Described Home eNodeB, by the newly-increased cell in described RUA message, carries described gateway processes indication information.
5. the method for claim 1, is characterized in that,
Described Home eNodeB is by the type of message of described RUA message, and to indicate femto gateway to process described RANAP or RNSAP message, wherein, the type of message of described RUA message is default special RUA message;
Described femto gateway receives described RUA message, judges that in described RUA message, type of message is default special RUA message, then carry out processing locality to RANAP or the RNSAP message in this RUA message.
6. a transmission system for upstream message, is characterized in that, this system comprises Home eNodeB and femto gateway, wherein:
Described Home eNodeB, for sending RANAP user adaptation layer (RUA) message carrying wireless access network application protocol (RANAP) or Radio Network Subsystem Application Part (RNSAP) message to described femto gateway, when RANAP or the RNSAP message carried in described RUA message needs described femto gateway to process, and in described RUA message, femto gateway is indicated to process described RANAP or RNSAP message;
Described femto gateway, for receiving described RUA message, and processes RANAP or the RNSAP message in described RUA message;
Described femto gateway, for receiving special RUA message, described special RUA message-specific needs RANAP or the RNSAP message of described femto gateway process in carrying, when described femto gateway receives described special RUA message, processing locality is carried out to described RANAP or the RNSAP message that described special RUA message carries; For described RANAP or the RNSAP message with existing RUA message bearing, described femto gateway does not need to carry out processing locality, directly passes through other network elements; Other network elements described can be core network element or target household base station.
7. system as claimed in claim 6, is characterized in that,
Described Home eNodeB, by carrying effective gateway processes indication information in described RUA message, processes described RANAP or RNSAP message to indicate femto gateway.
8. system as claimed in claim 7, is characterized in that,
When described Home eNodeB does not need described femto gateway to process to RANAP or the RNSAP message that described femto gateway sends, described Home eNodeB, also for carrying invalid gateway processes indication information in the RUA message carrying described RANAP or RNSAP message;
Described femto gateway, also for receiving described RUA message, judges to carry described invalid gateway processes indication information in described RUA message, then this RUA message of transparent transmission.
9. system as claimed in claim 7 or 8, is characterized in that,
Described Home eNodeB, carries described gateway processes indication information by the newly-increased cell in described RUA message.
10. system as claimed in claim 6, is characterized in that,
Described Home eNodeB, by the type of message of described RUA message, to indicate femto gateway to process described RANAP or RNSAP message, wherein, the type of message of described RUA message is default special RUA message.
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