WO2012065303A1 - 多运营商核心网接入方法、装置及系统 - Google Patents
多运营商核心网接入方法、装置及系统 Download PDFInfo
- Publication number
- WO2012065303A1 WO2012065303A1 PCT/CN2010/078842 CN2010078842W WO2012065303A1 WO 2012065303 A1 WO2012065303 A1 WO 2012065303A1 CN 2010078842 W CN2010078842 W CN 2010078842W WO 2012065303 A1 WO2012065303 A1 WO 2012065303A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sgsn
- llc
- parameter
- network device
- access network
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0231—Traffic management, e.g. flow control or congestion control based on communication conditions
- H04W28/0236—Traffic management, e.g. flow control or congestion control based on communication conditions radio quality, e.g. interference, losses or delay
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/18—Selecting a network or a communication service
Definitions
- Multi-operator core network access method device and system
- the embodiments of the present invention relate to communication technologies, and in particular, to a Multi-Operator Core Network (MOCN) access method, apparatus, and system.
- MOCN Multi-Operator Core Network
- the terminal entity/mobile terminal (Terminal Entity/Mobile Terminal, TE/MT) means that the MS can pass the Base Station Subsystem (BSS).
- BSS Base Station Subsystem
- a Serving GPRS Supporting Node (SGSN) of multiple operators accesses a Packet Data Network (PDN).
- PDN Packet Data Network
- This feature can be called a Multi-Operator Core Network.
- MOCN Multi-Operator Core Network
- the BSS When the MS requests access to the network through the BSS, since the BSS cannot know which carrier's SGSN can serve the MS, the BSS will try to send the access request message from the MS to each SGSN one by one. If the SGSN that receives the access request message determines that the MS is inaccessible, returns a reject reason value and an access request reject message including the reject reason value to the BSS; if the SGSN that receives the access request message determines that the MS can Access, the access process of the MS is performed. When the BSS receives a reject reason value sent by the SGSN and an access request reject message containing the reject cause value, the access request message of the MS needs to be redirected to another SGSN.
- LLC Logical Link Control
- the embodiment of the present invention provides a multi-operator core network access method, device, and system, to avoid the problem that the MS discards the message due to the inconsistency between the LLC parameter corresponding to the message sent by the SGSN to the MS and the LLC parameter expected by the MS. To ensure normal interaction between all SGSNs and MSs interconnected with the BSS.
- the embodiment of the invention provides a multi-operator core network access method, including:
- the second SGSN obtains the LLC parameter of the first SGSN from the access network device, and the LLC parameter of the first SGSN is sent by the first SGSN to the access network device;
- the second SGSN interacts with the MS using the LLC parameter of the first SGSN.
- An embodiment of the present invention provides another multi-operator core network access method, including:
- the second SGSN obtains the LLC parameter of the first SGSN from the access network device, and the LLC parameter of the first SGSN is sent by the first SGSN to the access network device;
- the second SGSN adds a preset parameter to the LLC parameter of the first SGSN to obtain a LLC parameter of the second SGSN;
- the second SGSN interacts with the MS using the LLC parameter of the second SGSN.
- the embodiment of the invention further provides a multi-operator core network access device, including:
- An acquiring module configured to acquire, by the access network device, a LLC parameter of the first SGSN, where the first
- the LLC parameter of the SGSN is sent by the first SGSN to the access network device;
- the embodiment of the present invention further provides another multi-operator core network access device, including: An acquiring module, configured to acquire, by the access network device, an LLC parameter of the first SGSN, where the LLC parameter of the first SGSN is sent by the first SGSN to the access network device;
- a processing module configured to add a preset parameter to the LLC parameter of the first SGSN, to obtain a LLC parameter of the second SGSN;
- an interaction module configured to interact with the MS by using a LLC parameter of the second SGSN.
- the embodiment of the present invention further provides a multi-operator core network access system, including a first SGSN, an access network device, and a second SGSN, where:
- the first SGSN is configured to send an LLC parameter of the first SGSN to the access network device, where the access network device is configured to acquire an LLC parameter of the first SGSN from the first SGSN, to the second SGSN Sending an LLC parameter of the first SGSN;
- the second SGSN is configured to acquire a LLC parameter of the first SGSN from the access network device, and interact with the MS by using a LLC parameter of the first SGSN.
- the embodiment of the present invention further provides another multi-operator core network access system, including a first SGSN, an access network device, and a second SGSN, where:
- the first SGSN is configured to send an LLC parameter of the first SGSN to the access network device, where the access network device is configured to acquire an LLC parameter of the first SGSN from the first SGSN, to the second SGSN Sending an LLC parameter of the first SGSN;
- the second SGSN is configured to acquire an LLC parameter of the first SGSN from the access network device, add a preset parameter to the LLC parameter of the first SGSN, and obtain an LLC parameter of the second SGSN, and use The LLC parameter of the second SGSN interacts with the MS.
- the embodiment of the present invention obtains the LLC parameter of the first SGSN from the access network device by using the second SGSN, so that the second SGSN can interact with the MS by using the LLC parameter of the first SGSN, or by using the second SGSN.
- the LLC parameters of the second SGSN interact with the MS to avoid sending the SGSN to the MS.
- the problem that the MS discards the above message caused by the inconsistent relationship between the LLC parameter and the expected LLC parameter of the MS, thereby ensuring normal interaction between all SGSNs and MSs interconnected with the access network device.
- FIG. 1 is a schematic flow chart of a multi-operator core network access method according to Embodiment 1 of the present invention
- FIG. 2 is a schematic flow chart of a multi-operator core network access method according to Embodiment 2 of the present invention
- FIG. 3 is a schematic flow chart of another multi-operator core network access method according to Embodiment 3 of the present invention.
- FIG. 4 is a schematic flow chart of another multi-operator core network access method according to Embodiment 4 of the present invention.
- FIG. 5 is a schematic structural diagram of a multi-operator core network access apparatus according to Embodiment 5 of the present invention.
- FIG. 6 is a schematic structural diagram of another multi-operator core network access apparatus according to Embodiment 6 of the present invention.
- FIG. 7 is a schematic structural diagram of a multi-operator core network access system according to Embodiment 7 of the present invention.
- FIG. 8 is a schematic structural diagram of another multi-operator core network access system according to Embodiment 8 of the present invention.
- FIG. 1 is a schematic flowchart of a multi-operator core network access method according to Embodiment 1 of the present invention.
- the multi-operator core network access method in this embodiment may include the following steps: Step 101: The second SGSN obtains the LLC parameter of the first SGSN from the access network device, and the LLC parameter of the first SGSN is sent by the first SGSN to the access network device;
- the above LLC parameter may include at least one of the following parameters: a LLC counter (counter), a sequence number used by the LLC layer, and an unconfirmed sequence number (N(U) used by the LLC layer). ), the Unconfirmed send state variable (V(U)) used by the LLC layer, other control domain variables or parameters of the LLC layer, such as the Receive Sequence Number (N(R)).
- the step of transmitting, by the first SGSN, the LLC parameter of the first SGSN to the access network device may be included.
- the first SGSN may send a redirect message to the access network device, and the first SGSN may send an LLC parameter to the access network device; or the first SGSN may further send a heavy message to the access network device.
- the directional message includes the LLC parameter of the first SGSN.
- the first SGSN may further include the step of indicating the redirection of the access network device according to the subscription data or configuration data of the MS.
- the foregoing redirection message may be a message including a redirection indication and/or a rejection reason value, and the rejection reason value is not CS/PS coordination.
- the LLC parameter of the first SGSN may be used when the first SGSN interacts with the MS.
- the used LLC parameter may also be obtained by adding a preset parameter to the LLC parameter used when the first SGSN interacts with the MS.
- Step 102 The second SGSN interacts with the MS by using the LLC parameter of the first SGSN.
- the second SGSN may set a corresponding field of the LLC message packet sent to the MS to the LLC parameter of the first SGSN.
- the corresponding field of the LLC message packet may include an N (U) field of the LLC message packet.
- the second SGSN obtains the LLC parameter of the first SGSN from the access network device, so that the second SGSN can interact with the MS by using the LLC parameter of the first SGSN, and the message corresponding to the message sent by the SGSN to the MS is avoided.
- the problem that the MS discards the above message caused by the LLC parameter being inconsistent with the expected LLC parameter of the MS, thereby ensuring normal interaction between all SGSNs and MSs interconnected with the access network device.
- the LLC parameter used by the second SGSN is transmitted from the SGSN, it can be guaranteed that the parameters already used by the SGSN are reserved and will not be used by the second SGSN, and the access network device selects the first SGSN according to the rule.
- the MS does not discard the message, thus ensuring that the MS obtains and processes the network side message in time and correctly selects the network.
- the access network device may include, but is not limited to, a base station subsystem (BSS) or a base station controller (BSC).
- BSS base station subsystem
- BSC base station controller
- FIG. 2 is a schematic flowchart of a multi-operator core network access method according to Embodiment 2 of the present invention.
- the network access device uses the BSS as an example.
- the BSS is interconnected with the SGSN1 of the carrier 1 and the SGSN2 of the carrier 2.
- the multi-operator core network access method in this embodiment may include the following steps: Step 201: The MS interacts with the BSS to perform a radio access procedure, and the BSS allocates radio resources to the MS.
- Step 202 The MS sends an Attach Request message to the BSS.
- Step 203 The BSS sends a Base Station Subsystem GPRS Protocol (BSSGP) uplink data (BSSGP UL-UNIDATA) message to the SGSN1, where the BSSGP uplink data message includes the foregoing attach request message and a redirection attempt identifier (redirection) Attempt flag ), the above redirection attempt identifier may be used to indicate that the BSS supports the MOCN;
- BSSGP Base Station Subsystem GPRS Protocol
- BSSGP UL-UNIDATA Base Station Subsystem GPRS Protocol
- redirection attempt identifier redirection attempt identifier
- the BSS needs to save the information of the SGSN1, and the record attachment request message of the MS has been sent to the SGSN1, and the attachment request message is not sent to the SGSN1 in the future.
- the SGSN1 may obtain an International Mobile Subscriber Identification Number (IMSI) of the MS from the MS, or obtain an IMSI of the MS from the SGSN attached to the MS. According to the obtained IMSI of the MS, Obtaining subscription data or configuration data of the foregoing MS (including configuration data including but not limited to an operator's roaming agreement, etc.), determining that the MS is not accessible, or determining that the BSS needs to perform "CS/PS coordination", that is, determining that the indication BSS is heavy Orientation, sending a BSSGP downlink data (BSSGP DL-UNIDATA) message to the BSS, where the BSSGP downlink data message includes an attach reject message, an IMSI of the MS, the attach request message, a redirection indication, a reject cause value (reject) Cause ) and LLC parameters of SGSN1;
- IMSI International Mobile Subscriber Identification Number
- the value of the reject reason is the cause value indicating the BSS redirection, that is, the reject reason value of the redirect.
- the above reject reason value may be included in the redirect indication cell, or may be an independent cell.
- the BSSGP downlink data message including the redirection indication and/or the rejection reason value is also referred to as a redirection message.
- the SGSN1 when the SGSN determines to indicate the BSS redirection, the SGSN1 sends a redirect message including the LLC parameter to the BBS.
- the above LLC parameter may be included in an LLC message packet of a redirect message (the LLC message packet may further include an attach reject message), and the LLC parameter is read by the BSS from the LLC message packet.
- the LLC cell may be included in the redirect indication cell in the redirect message, so the BSS is not required to be read from the LLC message packet; of course, the above LLC parameters are also included in the redirect message other independent In the cell or message package, there is no limit here. Set.
- SGSN1 rejects the MS access according to subscription data or configuration data
- SGSN1 constructs an attach reject message, and encapsulates it in an LLC message packet, and sets LLC parameter information in an LLC message packet
- SGSN1 includes the LLC message packet in The BSSGP downlink data packet is sent to the BSS, and the BSS reads the LLC parameter in the LLC message packet.
- the SGSN may fill the LLC parameter in the corresponding field in the redirect indication cell, and redirect the indication cell.
- the LLC message packet is included in the BSSGP downlink data (ie, the redirect message) and sent to the BSS; in addition, the SGSN1 can also directly use the LLC parameter as an independent cell, and includes the attach reject message LLC message packet.
- Included in the BSSGP downlink data packet ie, the redirect message
- the BSS reads the LLC cell parameters in the data packet.
- the redirect message may not include the LLC parameter of the SGSN1.
- the other message is used to transmit the LLC parameter, for example, the LLC parameter defining the new messaging SGSN1, and the redirect message and the message including the LLC parameter are sent without subsequent order. This embodiment does not limit this.
- the SGSN1 may add a preset parameter increment (for example: 1) to the LLC parameter used when the SGSN1 interacts with the MS, and obtain the LLC parameter of the SGSN1 to prevent the LLC parameter of the SGSN1 from being used by the SGSN1.
- a preset parameter increment for example: 1
- SGSN1 adds N (U) with a preset parameter, such as 1 , to the BSS; or SGSN1 adds V (U) with a preset parameter, such as 1, to the BSS, to avoid the above V (U) ) or N(U) has been used by SGSN1; or,
- SGSN1 can also send the above LLC parameters directly to the BSS. Specifically, SGSN1 can send V(U) to the BSS. The V(U) is previously stored on the SGSN1.
- the SGSN1 may further identify the reject cause value, and if the reject cause value identifies that it is not CS/PS coordination, send an LLC parameter to the BSS; if the reject cause value identifies the CS/PS Collaboration (CS/PS coordination), the LLC parameters are not sent to the BSS, and related processes in the prior art are performed, and details are not described herein again.
- the LLC parameter of the SGSN1 may be included in the foregoing redirection indication, or It can be an independent cell, which is not limited in this embodiment.
- Step 205 The BSS obtains the reject reason value of the SGSN1 according to the redirection indication, and sends a BSSGP uplink data (BSSGP UL-UNIDATA) message to the SGSN2, where the BSSGP uplink data message includes the attach request message and the redirection attempt flag.
- BSSGP uplink data BSSGP UL-UNIDATA
- the foregoing IMSI of the MS and the acquired LLC parameter of the SGSN1, the foregoing redirection attempt identifier may be used to indicate that the BSS supports the MOCN;
- the LLC parameter of the foregoing SGSN1 may be included in the foregoing redirection attempt identifier, or may be an independent cell, which is not limited in this embodiment.
- the BSS may further identify the rejected reason value returned by the acquired SGSN1, and if the reject reason value identifies that it is not CS/PS coordination, send the BSSGP uplink data to the SGSN2; If the cause value is identified as CS/PS coordination, the BSSGP uplink data is not sent to the SGSN2, and the related processes in the prior art are executed, and details are not described herein again.
- Step 206 The SGSN2 sends an interaction message to the MS by using the obtained LLC parameter of the SGSN1.
- the SGSN2 may fill the LLC parameter of the foregoing SGSN1 sent by the acquired BSS in a domain related to the interaction LLC message packet, and send an interaction message to the MS.
- SGSN2 fills in the N(U) sent by the obtained BSS in the N(U) field (field) shown in FIG. 9, or SGSN2 fills in the obtained V(U) of the BSS in the N shown in FIG. In the (U) field.
- a Acknowledgement request bit acknowledges the request bit
- N(R) Transmitter receive sequence number: The sender receives the sequence number
- N(S) Transmitter send sequence number The sender sends the serial number; N(U) Transmitter unconfirmed sequence number: the non-confirmed serial number;
- the SGSN1 sends the LLC parameter (ie, the LLC parameter of the SGSN1) used by the SGSN1 to the MS through the BSS to the SGSN2, or the LLC of the SGSN1 obtained by adding a preset parameter to the LLC parameter used when the SGSN1 interacts with the MS.
- the parameter is such that when the SGSN2 performs message interaction with the MS, the LLSN parameter of the acquired SGSN1 may be filled in a corresponding position in an LLC message packet (for example, an LLC message packet including an authentication message) to prevent the MS from discarding the message.
- the LLC parameter used by the SGSN2 is transmitted from the SGSN1, it can be guaranteed that the parameters already used by the SGSN1 are reserved and will not be used by the SGSN2.
- the access network device selects the message sent by the SGSN1 to be forwarded to the MS according to the rule, the MS does not The message will be discarded. Ensure that the MS obtains and processes the network side messages in a timely manner and selects the network correctly.
- the BSS selects the reject reason value sent by the SGSN to the MS according to the rule, and if the selected SGSN sends the LLC parameter of the message. If the SGSN is used by other SGSNs, the MS will discard the message sent by the selected SGSN. The MS will never receive the message from the network side, causing the MS to retry the access network without obtaining network services. Affects the user experience. With the method of the embodiment of the present invention, the problem that the LLC parameter of the SGSN sent message selected by the prior art has been used by other SGSNs does not occur, and the MS can be prevented from discarding the message sent by the selected SGSN.
- FIG. 3 is a schematic flowchart of another multi-operator core network access method according to Embodiment 3 of the present invention.
- the multi-operator core network access method in this embodiment may include the following steps: Step 301: The second SGSN acquires an LLC parameter of the first SGSN from the access network device, where the LLC parameter of the first SGSN is sent by the first SGSN to the access network device, where the LLC parameter may include at least one of the following parameters: One: LLC counter (counter), the serial number used by the LLC layer, the unconfirmed sequence number (N(U)) used by the LLC layer, and the unacknowledged transmission state variable used by the LLC layer ( Unconfirmed send state variable, V(U)), other control domain variables or parameters of the LLC layer, such as Receive Sequence Number (N(R)).
- the step of transmitting, by the first SGSN, the LLC parameter of the first SGSN to the access network device may be included.
- the first SGSN may send a redirect message to the access network device, and the first SGSN may send an LLC parameter to the access network device; or the first SGSN may further send a heavy message to the access network device.
- the directional message includes the LLC parameter of the first SGSN.
- the first SGSN may further include the step of indicating the redirection of the access network device according to the subscription data or configuration data of the MS.
- the foregoing redirection message may be a message including a redirection indication and/or a rejection reason value, and the rejection reason value is not CS/PS coordination.
- the LLC parameter of the first SGSN may be a LLC parameter used when the first SGSN interacts with the MS.
- Step 302 The second SGSN adds a pre-set parameter to the LLC parameter of the first SGSN to obtain a LLC parameter of the second SGSN.
- Step 303 The second SGSN interacts with the MS by using the LLC parameter of the second SGSN.
- the second SGSN may set a corresponding field of the LLC message packet sent to the MS as an LLC parameter of the second SGSN.
- the corresponding field of the above LLC message packet may include an N (U) field of the LLC message packet.
- the second SGSN obtains the LLC parameter of the first SGSN from the access network device, and the second SGSN adds a preset parameter to the LLC parameter of the first SGSN to obtain the LLC parameter of the second SGSN.
- the second SGSN is configured to interact with the MS by using the LLC parameter of the second SGSN, and the problem that the MS discards the message due to the inconsistency between the LLC parameter corresponding to the message sent by the SGSN and the MS is avoided.
- the LLC parameter used by the second SGSN is transmitted from the first SGSN, it can be guaranteed that the parameters already used by the SGSN are reserved and will not be used by the second SGSN, and the access network device selects the first SGSN according to the rule.
- the MS does not discard the message, thus ensuring that the MS obtains and processes the network side message in time and correctly selects the network.
- the access network device may include, but is not limited to, a base station subsystem (BSS) or a base station controller (BSC).
- BSS base station subsystem
- BSC base station controller
- FIG. 4 is a schematic flowchart of another multi-operator core network access method according to Embodiment 4 of the present invention.
- This embodiment is a specific embodiment of the previous embodiment.
- the access network device takes the BSS as an example, and the BSS is interconnected with the SGSN1 of the operator 1 and the SGSN2 of the operator 2.
- the multi-operator core network access method in this embodiment may include the following steps: Step 401: The MS interacts with the BSS to perform a radio access procedure, and the BSS allocates radio resources to the MS.
- Step 402 The MS sends an Attach Request message to the BSS.
- Step 403 The BSS sends a Base Station Subsystem GPRS Protocol (BSSGP) uplink data (BSSGP UL-UNIDATA) message to the SGSN1, where the BSSGP uplink
- BSSGP Base Station Subsystem GPRS Protocol
- the data message includes the foregoing attach request message and a redirection attempt flag, and the foregoing redirection attempt identifier may be used to indicate that the BSS supports the MOCN;
- the BSS also needs to save the information of the SGSN1, and record the attachment request message of the MS. It has been sent to SGSN1, and will not send the above attach request message to SGSN1 in the future.
- Step 404 SGSN1 may obtain an international mobile subscriber identity of the MS from the MS.
- IMSI International Mobile Subscriber Identification Number
- the IMSI of the MS may be obtained from the SGSN attached to the MS, and the subscription data or configuration data of the MS is obtained according to the acquired IMSI of the MS (where the configuration data includes but not Limited to the operator's roaming agreement, etc.), determine that the above MS is not able to access, or determine that the BSS needs to be executed.
- CS/PS coordination that is, determining to indicate BSS redirection, sending a BSSGP downlink data (BSSGP DL-UNIDATA) message to the BSS, where the BSSGP downlink data message includes an attach reject message (optional), the IMSI of the MS, and the foregoing Attach request message, redirect indication
- the value of the reject reason is the cause value indicating the BSS redirection, that is, the reject reason value of the redirect.
- the above reject reason value may be included in the redirect indication cell, or may be an independent cell.
- the BSSGP downlink data message including the redirection indication and/or the rejection reason value is also referred to as a redirection message.
- the SGSN1 when the SGSN determines to indicate the BSS redirection, the SGSN1 sends a redirect message including the LLC parameter to the BBS.
- the above LLC parameter may be included in an LLC message packet of a redirect message (the LLC message packet may further include an attach reject message), and the LLC parameter is read by the BSS from the LLC message packet.
- the LLC cell may be included in the redirect indication cell in the redirect message, so the BSS is not required to be read from the LLC message packet; of course, the above LLC parameters are also included in the redirect message other independent In a cell or a message packet, it is not limited herein.
- SGSN1 rejects the MS access according to subscription data or configuration data
- SGSN1 constructs an attach reject message, and encapsulates it in an LLC message packet, and sets LLC parameter information in an LLC message packet
- SGSN1 includes the LLC message packet in The BSSGP downlink data packet is sent to the BSS, and the BSS reads the LLC parameter in the LLC message packet.
- the SGSN may fill the LLC parameter in the corresponding field in the redirect indication cell, and redirect the indication cell.
- the at tach reject message LLC message packet is sent to the BSS in the BSSGP downlink data (ie, the redirect message); in addition, the SGSN1 can also directly use the LLC parameter as an independent cell, and includes the attach reject message LLC message packet.
- the BSSGP downlink data packet ie, the redirect message
- the BSSGP downlink data packet is sent to the BSS, and the BSS reads the LLC cell parameters in the data packet.
- the redirect message may not include the LLC parameter of the SGSN1.
- the other message is used to transmit the LLC parameter, for example, the LLC parameter defining the new messaging SGSN1, and the redirect message and the message including the LLC parameter are sent without subsequent order. This embodiment does not limit this.
- the SGSN1 may further identify the reject cause value, and if the reject cause value identifies that it is not CS/PS coordination, send an LLC parameter to the BSS; if the reject cause value identifies the CS/PS Collaboration (CS/PS coordination), the LLC parameters are not sent to the BSS, and related processes in the prior art are performed, and details are not described herein again.
- Step 405 The BSS obtains the reject reason value of the SGSN1 according to the redirection indication, and sends a BSSGP uplink data (BSSGP UL-UNIDATA) message to the SGSN2, where the BSSGP uplink data message includes the attach request message and the redirection attempt flag.
- BSSGP uplink data BSSGP UL-UNIDATA
- the foregoing IMSI of the MS and the acquired LLC parameter of the SGSN1, the foregoing redirection attempt identifier may be used to indicate that the BSS supports the MOCN;
- the LLC parameter of the foregoing SGSN1 may be included in the foregoing redirection attempt identifier, or may be an independent cell, which is not limited in this embodiment.
- the BSS may further identify the rejected reason value returned by the acquired SGSN1, and if the reject reason value identifies that it is not CS/PS coordination, send the BSSGP uplink data including the LLC parameter to the SGSN2; If the rejection reason value is identified as CS/PS coordination, the LLC parameters are not sent to the SGSN2, and the related processes in the prior art are performed, and details are not described herein again.
- Step 406 The SGSN2 adds the acquired LLC parameter of the SGSN1 to a preset parameter, obtains the LLC parameter of the SGSN2, and uses the acquired LLC parameter of the SGSN2. Send an interactive message to the above MS.
- the SGSN2 may add the obtained LLC parameter of the SGSN1 to a preset parameter increment (for example: 1) to obtain the LLC parameter of the SGSN2.
- SGSN2 receives the N(U) of SGSN1 sent by the BSS, and SGSN2 adds N(U) with a preset parameter, such as 1, as the N(U) value used by itself to interact with the MS, avoiding N(U) It has been used by SGSN1, and the N(U) value used by SGSN2 is filled in the N(U) field (field) as shown in Figure 9; or SGSN2 receives V(U), SGSN2 V (U) of SGSN1 sent by BSS A pre-set parameter on the port, such as 1, as N (U) for its own interaction with the MS, to avoid V (U) has been used by SGSN1, the V (U) value that SGSN2 will use is filled in as shown in Figure 9. In the N(U) field (field). Specific instructions 3 ⁇ 4 mouth
- a Acknowledgement request bit acknowledges the request bit
- N(R) Transmitter receive sequence number: The sender receives the sequence number
- N(S) Transmitter send sequence number The sender sends the serial number
- the SGSN2 After receiving the BSSGP uplink data message sent by the BSS, the SGSN2 obtains the LLC parameter of the SGSN1 included in the BSSGP uplink data message, so that the SGSN2 can use the SGSN1 to be acquired when performing message interaction with the MS. LLC parameters
- the LLC parameter of SGSN2 obtained by adding a preset parameter is filled in the corresponding position in the message (for example, the authentication message), and the MS is prevented from discarding the above message.
- the LLC parameter used by the SGSN2 is transmitted from the SGSN 1, it can be guaranteed that the parameters already used by the SGSN1 are reserved and will not be used by the SGSN2.
- the MS does not drop the message. Ensure that the MS obtains and processes the network side messages in a timely manner and selects the network correctly.
- the BSS selects the reject reason value sent by the SGSN to the MS according to the rule, and if the selected SGSN sends the LLC parameter of the message. If the SGSN is used by other SGSNs, the MS will discard the message sent by the selected SGSN. The MS will never receive the message from the network side, causing the MS to retry the access network without obtaining network services. Affects the user experience. With the method of the embodiment of the present invention, the problem that the LLC parameter of the SGSN sent message selected by the prior art has been used by other SGSNs does not occur, and the MS can be prevented from discarding the message sent by the selected SGSN.
- FIG. 5 is a schematic structural diagram of a multi-operator core network access device according to Embodiment 5 of the present invention.
- the multi-operator core network access device in this embodiment may include an obtaining module 51 and an interaction module. 52.
- the obtaining module 51 acquires the LLC parameter of the first SGSN from the access network device, where the LLC parameter of the first SGSN is sent by the first SGSN to the access network device, and the interaction module 52 uses the LLC parameter of the first SGSN and the MS. Interact.
- the functions of the second SGSN and the SGSN2 in the second embodiment of the present invention are all implemented by the multi-operator core network access device provided in this embodiment.
- the interaction module 52 in this embodiment may be specifically configured to set a corresponding field of the LLC message packet sent to the MS to the LLC parameter of the first SGSN.
- the acquiring module obtains the LLC parameter of the first SGSN from the access network device, so that the interaction module can interact with the MS by using the LLC parameter of the first SGSN, and avoids the LLC corresponding to the message sent by the SGSN to the MS.
- the LLC parameter used by the interaction module is transmitted from the first SGSN, it can be ensured that the parameters used by the first SGSN are reserved and are not used by the interaction module, and the access network device selects the first SGSN to send according to the rule.
- the MS does not discard the message, thus ensuring that the MS obtains and processes the network side message in time, and correctly selects the network.
- FIG. 6 is a schematic structural diagram of another multi-operator core network access apparatus according to Embodiment 6 of the present invention.
- the multi-operator core network access apparatus of this embodiment may include an obtaining module 61, and processing Module 62 and interaction module 63.
- the obtaining module 61 acquires the LLC parameter of the first SGSN from the access network device, where the LLC parameter of the first SGSN is sent by the first SGSN to the access network device, and the processing module 62 adds the LLC parameter of the first SGSN.
- a preset parameter obtains an LLC parameter of the second SGSN, and the interaction module 63 interacts with the MS by using the LLC parameter of the second SGSN.
- the functions of the second SGSN in the third embodiment of the present invention and the SGSN2 in the fourth embodiment of the present invention can be implemented by the multi-operator core network access device provided in this embodiment.
- the interaction module 63 in this embodiment may be specifically configured to set a corresponding field of the LLC message packet sent to the MS to the LLC parameter of the second SGSN.
- the acquiring module acquires the LLC parameter of the first SGSN from the access network device, and the processing module adds a preset parameter to the LLC parameter of the first SGSN to obtain the second
- the LLC parameter of the SGSN enables the interaction module to interact with the MS by using the LLC parameter of the second SGSN, and avoids the MS discarding due to the inconsistency between the LLC parameter corresponding to the message sent by the SGSN to the MS and the LLC parameter expected by the MS.
- the problem of the message thus ensures normal interaction between all SGSNs and MSs interconnected with the access network device.
- the LLC parameter used by the interaction module is transmitted from the first SGSN, it can be ensured that the parameters used by the first SGSN are reserved and are not used by the interaction module again.
- the access network device selects the first SGSN to send according to the rule.
- the MS does not discard the message, thus ensuring that the MS obtains and processes the network side message in time, and correctly selects the network.
- FIG. 7 is a schematic structural diagram of a multi-operator core network access system according to Embodiment 7 of the present invention.
- the multi-operator core network access system of this embodiment may include a first SGSN 71.
- the first SGSN 71 is configured to send the LLC parameter of the first SGSN to the access network device 72.
- the access network device 72 is configured to obtain the LLC parameter of the first SGSN from the first SGSN 71, and send the first to the second SGSN. LLC parameters of the SGSN;
- the second SGSN 73 is configured to obtain the LLC parameter of the first SGSN from the access network device 72, and interact with the MS by using the LLC parameter of the first SGSN.
- the functions of the first SGSN in the first embodiment of the present invention and the SGSN1 in the second embodiment of the present invention are all implemented by the first SGSN 71 in the multi-operator core network access system provided in this embodiment.
- the function of the BSS in the access network device and the second embodiment of the present invention can be implemented by the access network device 72 in the multi-operator core network access system provided in this embodiment.
- the functions of the SGSN2 in the second embodiment of the present invention can be implemented by the second SGSN 73 in the multi-operator core network access system provided in this embodiment.
- the first SGSN 71 in this embodiment may be specifically configured to send a redirect message to the access network device 72, send an LLC parameter to the access network device, or send a redirect message to the access network device 72.
- the redirect message includes the LLC parameter of the first SGSN.
- the first SGSN 71 may further be used for signing data or matching according to the MS. Set the data to determine the indication of the access network device redirection.
- the second SGSN 73 in this embodiment may be specifically configured to obtain the LLC parameter of the first SGSN from the access network device 72, and set a corresponding field of the LLC message packet sent to the MS to the LLC of the first SGSN. parameter.
- first SGSN 71 may be further configured to use the LLC parameter used when the first SGSN 71 interacts with the MS as the LLC parameter of the first SGSN, or add an LLC parameter used when the first SGSN 71 interacts with the MS. The preset parameter is then used as the LLC parameter of the first SGSN.
- the second SGSN obtains the LLC parameter of the first SGSN from the access network device, so that the second SGSN can interact with the MS by using the LLC parameter of the first SGSN, and the message corresponding to the message sent by the SGSN to the MS is avoided.
- the problem that the MS discards the above message caused by the LLC parameter being inconsistent with the expected LLC parameter of the MS, thereby ensuring normal interaction between all SGSNs and MSs interconnected with the access network device.
- the LLC parameter used by the second SGSN is transmitted from the SGSN, it can be guaranteed that the parameters already used by the SGSN are reserved and will not be used by the second SGSN, and the access network device selects the first SGSN according to the rule.
- the MS does not discard the message, thus ensuring that the MS obtains and processes the network side message in time and correctly selects the network.
- FIG. 8 is a schematic structural diagram of another multi-operator core network access system according to Embodiment 8 of the present invention.
- the multi-operator core network access system of this embodiment may include a first SGSN 81, Access network device 82 and second SGSN 83. among them:
- the first SGSN 81 is configured to send the LLC parameter of the first SGSN to the access network device 82.
- the access network device 82 is configured to acquire the LLC parameter of the first SGSN from the first SGSN 81, and send the first first to the second SGSN 83. LLC parameters of the SGSN;
- the second SGSN 83 is configured to obtain the LLC parameter of the first SGSN from the access network device 82, add a preset parameter to the LLC parameter of the first SGSN, and obtain an LLC parameter of the second SGSN, using the second SGSN.
- the LLC parameters interact with the MS.
- the functions of the first SGSN in the third embodiment of the present invention and the SGSN1 in the fourth embodiment of the present invention are all implemented by the first SGSN 81 in the multi-operator core network access system provided in this embodiment.
- the functions of the access network device and the BSS in the fourth embodiment of the present invention can be implemented by the access network device 82 in the multi-operator core network access system provided in this embodiment.
- the functions of the SGSN2 in the fourth embodiment of the present invention can be implemented by the second SGSN 83 in the multi-operator core network access system provided in this embodiment.
- the first SGSN 81 in this embodiment may be specifically configured to send a redirect message to the access network device 82, send an LLC parameter to the access network device, or send a redirect message to the access network device 82.
- the redirect message includes the LLC parameter of the first SGSN.
- the first SGSN 81 may be further configured to determine, according to the subscription data or the configuration data of the MS, the redirection of the access network device.
- the second SGSN 83 in this embodiment may be specifically configured to obtain an LLC parameter of the first SGSN from the access network device 82, and add a preset parameter to the LLC parameter of the first SGSN to obtain a second
- the LLC parameter of the SGSN sets the corresponding field of the LLC message packet sent to the MS to the LLC parameter of the second SGSN.
- first SGSN 81 may also be used to use the LLC parameter used when the first SGSN 81 interacts with the MS as the LLC parameter of the first SGSN.
- the second SGSN obtains the LLC parameter of the first SGSN from the access network device, and the second SGSN adds a preset parameter to the LLC parameter of the first SGSN to obtain the LLC parameter of the second SGSN.
- the second SGSN is configured to interact with the MS by using the LLC parameter of the second SGSN, and the problem that the MS discards the message due to the inconsistency between the LLC parameter corresponding to the message sent by the SGSN and the MS is avoided. Thereby ensuring normal interaction between all SGSNs and MSs interconnected with access network devices.
- the LLC parameter used by the second SGSN is transmitted from the first SGSN, it can be guaranteed that the parameters already used by the SGSN are reserved and will not be used by the second SGSN, and the access network device selects the first SGSN according to the rule.
- the MS does not discard the message. Therefore, the MS can timely acquire and process the network side message and correctly select the network.
- the foregoing storage device includes the following steps:
- the foregoing storage medium includes: a ROM, a RAM, a magnetic disk, or an optical disk, and the like, which can store various sequential codes.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Mobile Radio Communication Systems (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2010/078842 WO2012065303A1 (zh) | 2010-11-17 | 2010-11-17 | 多运营商核心网接入方法、装置及系统 |
BR112013012383-4A BR112013012383B1 (pt) | 2010-11-17 | 2010-11-17 | Método, aparelho, e sistema para acessar rede de base multi-operadora |
EP10859624.8A EP2632192B1 (en) | 2010-11-17 | 2010-11-17 | Methods, apparatuses and systems for accessing multi-operator core network |
CN201080004651.8A CN102742304B (zh) | 2010-11-17 | 2010-11-17 | 多运营商核心网接入方法、装置及系统 |
US13/896,990 US9445301B2 (en) | 2010-11-17 | 2013-05-17 | Method, apparatus, and system for accessing multi-operator core network |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2010/078842 WO2012065303A1 (zh) | 2010-11-17 | 2010-11-17 | 多运营商核心网接入方法、装置及系统 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/896,990 Continuation US9445301B2 (en) | 2010-11-17 | 2013-05-17 | Method, apparatus, and system for accessing multi-operator core network |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012065303A1 true WO2012065303A1 (zh) | 2012-05-24 |
Family
ID=46083482
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2010/078842 WO2012065303A1 (zh) | 2010-11-17 | 2010-11-17 | 多运营商核心网接入方法、装置及系统 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9445301B2 (zh) |
EP (1) | EP2632192B1 (zh) |
CN (1) | CN102742304B (zh) |
BR (1) | BR112013012383B1 (zh) |
WO (1) | WO2012065303A1 (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102438231B (zh) * | 2012-01-05 | 2014-04-02 | 华为技术有限公司 | 获取移动台的imei的方法、系统及基站控制器 |
US10602561B2 (en) | 2014-09-05 | 2020-03-24 | Telefonaktiebolaget Lm Ericsson (Publ) | Support capability in communications networks for CS/PS coordination |
CN107071775B (zh) * | 2017-05-15 | 2020-10-09 | 奇酷互联网络科技(深圳)有限公司 | 移动终端及其重定向接入基站的方法和装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005081550A1 (en) * | 2004-02-23 | 2005-09-01 | Nokia Corporation | Method for performing packet switched handover in a mobile communication system |
CN101232729A (zh) * | 2008-02-21 | 2008-07-30 | 华为技术有限公司 | 一种mocn网络中cn运营商的选择方法、网络及设备 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2278904A1 (en) * | 1998-09-02 | 2000-03-02 | Lucent Technologies Inc. | Mobile terminal and base station in a packet radio services network |
EP1522161B1 (en) | 2002-06-06 | 2009-12-23 | Thomson Licensing | Wlan as a logical support node (sgsn) for interworking between the wlan and a mobile communications system |
US7299046B1 (en) * | 2002-08-30 | 2007-11-20 | Alcatel Lucent | Apparatus, and associated method, for facilitating dormant-mode operation of a mobile mode in a radio communication system |
FI20040841A0 (fi) * | 2004-06-17 | 2004-06-17 | Nokia Corp | Menetelmä tietoliikenteen valvomiseksi käyttäen verkkonoodiryhmää kommunikaatiojärjestelmässä |
EP1964328B1 (en) * | 2005-12-23 | 2018-02-21 | Telefonaktiebolaget LM Ericsson (publ) | Validating user identity by cooperation between core network and access controller |
US7792530B2 (en) * | 2006-07-11 | 2010-09-07 | Broadcom Corporation | Facilitating use of a restricted base tranceiver station |
WO2008094419A1 (en) * | 2007-01-31 | 2008-08-07 | Interdigital Technology Corporation | Method and apparatus for performing attachment procedures |
CN101646166A (zh) * | 2009-08-27 | 2010-02-10 | 大连海事大学 | 基于gprs传输的塔机信息的鉴权和加密方法 |
-
2010
- 2010-11-17 EP EP10859624.8A patent/EP2632192B1/en active Active
- 2010-11-17 CN CN201080004651.8A patent/CN102742304B/zh active Active
- 2010-11-17 WO PCT/CN2010/078842 patent/WO2012065303A1/zh active Application Filing
- 2010-11-17 BR BR112013012383-4A patent/BR112013012383B1/pt not_active IP Right Cessation
-
2013
- 2013-05-17 US US13/896,990 patent/US9445301B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005081550A1 (en) * | 2004-02-23 | 2005-09-01 | Nokia Corporation | Method for performing packet switched handover in a mobile communication system |
CN101232729A (zh) * | 2008-02-21 | 2008-07-30 | 华为技术有限公司 | 一种mocn网络中cn运营商的选择方法、网络及设备 |
Non-Patent Citations (1)
Title |
---|
ALCATEL-LUCENT: "SUPPORT of MOCN by GERAN", 3GPP TSG-GERAN WG2 MEETING #47 BIS, G2-100326, 22 October 2010 (2010-10-22), VIENNA, AUSTRIA * |
Also Published As
Publication number | Publication date |
---|---|
US20130250894A1 (en) | 2013-09-26 |
EP2632192B1 (en) | 2017-10-04 |
EP2632192A4 (en) | 2013-10-30 |
BR112013012383A2 (pt) | 2016-08-30 |
CN102742304B (zh) | 2015-09-09 |
BR112013012383B1 (pt) | 2021-07-13 |
EP2632192A1 (en) | 2013-08-28 |
US9445301B2 (en) | 2016-09-13 |
CN102742304A (zh) | 2012-10-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US12058648B2 (en) | Communication method and device | |
KR102069141B1 (ko) | 서비스 계층 사우스바운드 인터페이스 및 서비스 품질 | |
TWI336577B (en) | Method and mobile terminal for communicating data in a wireless communications system | |
TWI326546B (en) | Method of allocating one or more uplink radio resources in a wireless mobile communications system and method and mobile terminal for transmitting a measurement report in a wireless mobile communications system | |
KR20090031778A (ko) | 무선 통신 시스템에서 정책 실행을 위한 방법 및 장치 | |
US10028293B2 (en) | Method and apparatus for controlling data transmission on radio communication network | |
WO2021139696A1 (zh) | 一种报告信息的发送方法、装置及系统 | |
US11064556B2 (en) | Configuring radio resource control connections | |
US20180084565A1 (en) | Bearer setup method and apparatus | |
WO2012136101A1 (zh) | 一种混合自动重传的处理方法、系统及装置 | |
WO2012136087A1 (zh) | 一种资源调度的方法及系统及一种终端 | |
WO2017020302A1 (zh) | 一种建立数据无线承载的方法及装置 | |
WO2015143798A1 (zh) | 移动通信网络连接创建的控制方法及装置 | |
WO2011085611A1 (zh) | 网络接入方法及装置 | |
US20220386165A1 (en) | Method of wireless communication system for extended reality applications with enhanced quality of service | |
WO2021134701A1 (zh) | D2d通信方法、装置及系统 | |
CN115244991A (zh) | 通信方法、装置及系统 | |
WO2012065303A1 (zh) | 多运营商核心网接入方法、装置及系统 | |
CN110139360B (zh) | 一种寻呼策略确定方法、装置、ran网元及核心网网元 | |
JP2007537652A (ja) | コンフィギュレーションメッセージを使用した無線通信ネットワークにおけるデータ送信のためのQoS制御 | |
WO2021162627A1 (en) | Intra-ue uplink prioritization handling | |
CN110226319A (zh) | 用于紧急接入期间的参数交换的方法和设备 | |
TWI810051B (zh) | 用於具增強服務品質之延伸實境應用之無線通訊系統之方法 | |
CN114503476B (zh) | 信息发送方法和装置、终端、接入网设备和系统 | |
WO2014000611A1 (zh) | 传输数据的方法和装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 201080004651.8 Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 10859624 Country of ref document: EP Kind code of ref document: A1 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
REEP | Request for entry into the european phase |
Ref document number: 2010859624 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2010859624 Country of ref document: EP |
|
REG | Reference to national code |
Ref country code: BR Ref legal event code: B01A Ref document number: 112013012383 Country of ref document: BR |
|
ENP | Entry into the national phase |
Ref document number: 112013012383 Country of ref document: BR Kind code of ref document: A2 Effective date: 20130517 |