CN1430355A - Method for processing user interface in circuit domain interface between network and radio access network - Google Patents
Method for processing user interface in circuit domain interface between network and radio access network Download PDFInfo
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Abstract
A method for processing the user interface in circuit domain interface between core network and wireless access network is disclosed. When a core network in WCDMA system is going to transmit data to wireless network or receive data from it, a request is sent from IuUP" layer processing module of core network to lower layer processing module for requiring the creation of transmission data channel. After the channel is created, a RANAP signaling is sent to the base station controller of wireless network. After the command is received, its IuUP" layer processing module sends a request to its lower layer processing module to creat a receiving channel. A RANAP signaling is sent by base station controller for telling the ID of said transmission channel to the core network and the receiving channel of core network is created.
Description
Affiliated field
The present invention relates to the processing method of circuit domain interface user face between a kind of core net and the wireless access network, relate in particular to Wideband Code Division Multiple Access (WCDMA) and insert the processing method of circuit domain interface user face between the media gateway of base station controller and core net in (WCDMA) cell mobile communication systems, belong to the communication system technical field.
Background technology
In Wideband Code Division Multiple Access (WCDMA) (WCDMA) connecting system of 3G (Third Generation) Moblie, in the Release5 stage of third generation partnership project (3GPP) standard, introduced Internet Protocol (IP) transmission, thereby on user's face of the circuit domain interface between core network and the wireless network (hereafter is the IuCS interface), introduce new signal flow processing method, promptly adopted new protocol stack of the interface.
At present, in the discussion of third generation partnership project (3GPP) normal structure, proposed two kinds of processing schemes, described being respectively with protocol stack: IuUP/RTP/UDP/IP and IuUP/GTP-Lite/UDP/IP.Because these two kinds of schemes are except needs IuUP protocol process module and udp protocol processing module, also need another protocol process module respectively: Real-time Transport Protocol processing module or GTP-Lite protocol process module, the partial function in these two modules has overlapping in other protocol process module or can substitute.
In Wideband Code Division Multiple Access (WCDMA) (WCDMA) connecting system of 3G (Third Generation) Moblie, the IuCS interface is the interface of circuit domain between core net and the wireless access network in this system, Fig. 1 is seen in its position in network, is mainly used between the radio network controller (RNC) of media gateway (MGW) in core net and Radio Network System (RNS) and transmits real time data stream.The SGSN of core net is the GPRS serving GPRS support node among the figure, and IuPS is the exchange of Iu interface packets, and Node B then is the base station of WCDMA.In the R5 stage of third generation partnership project (3GPP) standard, on the IuCS interface, will introduce Internet Protocol (IP) transmission, the IuUP layer needs lower-layer protocols that reliable transfer of data is provided, and for example: CRC check, frame losing detect, to out of order packet reorganization, the identification of data flow etc.
At present, about the signal processing method of this interface user plane, promptly protocol stack of the interface has proposed two kinds of schemes in the 3GPP standard, respectively referring to shown in Fig. 2 (A), (B).Simply describe the protocol layer that relates in these two kinds of existing protocol stacks below respectively,, be respectively from high to low: IuUP agreement, Real-time Transport Protocol, udp protocol and IuUP agreement, GTP-Lite agreement, udp protocol by their positions in protocol layer.
Wherein Iu UP protocol process module is used to transmit the user data relevant with RAB.An IuUP protocol instance is only relevant with a RAB (RAB).If set up several RABs (RAB) with a given subscriber equipment (UE), these RABs (RAB) will use corresponding several Iu UP example so.Iu UP agreement has been stipulated two kinds of patterns: first kind of support mode for predefine Service Data Unit (SDU) size, second kind is transparent mode.
Iu UP protocol process module is not done any processing to the data under the transparent mode, and promptly the protocol Data Unit of Non-Access Stratum data flow (PDU) transmits between high level and transport network layer by it.The service that Iu UP protocol process module utilizes transport network layer to provide under transparent mode, transmission Iu UP PDU on the interface in the user plane between core net and the wireless access network.And it during transmitting data stream, need carry out frame and handle under support mode in user's face.The two-layer data flow that transmits Non-Access Stratum by Service Access Point (SAP).The Frame that this protocol process module coprocessing is three types, be respectively " IuUP PDU Type 0 ", " IuUPPDU Type 1 " and " IuUP PDU Type 14 ", wherein, PDU type 0 is used under the support mode of predefine Service Data Unit (SDU) size, transmitting user data on Iu UP.For payload, on IuUP, provide error detection mechanism.When Iu UP need not provide the error detection mechanism cyclic redundancy check (CRC) of payload (that is: do not have) to payload, under the support mode of predefine SDU size, adopt the PDU Class1 at Iu UP transmitting user data.PDU Class1 4 is used for carrying out control procedure under the support mode of predefine Service Data Unit (SDU) size.Control procedure has comprised with control procedure relevant data message in the payload by process designator sign in the frame.
The IuUP agreement has frame number (Frame Number), utilizes it that Frame is counted.Frame count can be based on the transmission of time or Iu UP PDU.When frame count during based on the time, frame number can help the function of processing time alignment.When the Iu UP PDU of frame number and transmission was relevant, the effect of frame number was to provide a kind of mechanism to the recipient, to detect losing of Iu UP frame.When frame number during based on the Iu UP PDU that sends, after each Iu UP PDU sent, frame number added 1 (mould 16).Connect for a given user data, it doesn't matter for the frame number of descending transmission data and the frame number of uplink data sending.Except frame losing detects, this frame number also has the function of data packet disorder reorganization.This function is the same with the function that sequence number (Sequence Number) at present RTP and the GTP-Lite agreement is provided.
This Iu UP protocol process module also is provided with the reliable transmission that cyclic redundancy check (CRC) (CRC check) and payload cyclic redundancy check (CRC) guarantee IuUP data frame head, and detects alternatively and the error of transmission of correction of data bag payload and frame payload.
The Real-time Transport Protocol processing module is mainly finished following three functions: 1, finish frame losing detection, data packet disorder reorganization.2, guarantee link quality.3, this Real-time Transport Protocol processing module does not provide the sign to data flow, is finished by other protocol process module.
The Real-time Transport Protocol processing module provides the sequence number (Sequence Number) of one 16 bit length, and by each packet of transmitting side marking, the recipient detects whether frame losing according to this sequence number, and to out of order packet rearrangement.This Real-time Transport Protocol processing module provides the timestamp (timestamp) of one 32 bit, is used for synchronously and Jitter Calculation.The Real-time Transport Protocol processing module does not provide the identification to data flow, and is finished by other protocol layers, and for example: " udp port number+IP address " by the UDP/IP protocol process module distinguished.
The GTP-Lite protocol process module has mainly been finished following two functions: the sign to data flow is provided, finishes the reorganization of frame losing detection and data packet disorder.This processing module uses " TEID+IP address " to discern a RAB (RAB) stream, and TEID is masked as 16 bits, can distinguish 65536 data flow.At this moment, udp port number is the fixed value of standard code.Use the sequence number " Sequence Number " of 8 bits, just the sequence number dullness is added 1, after the recipient receives packet,, judge whether to occur the frame losing phenomenon according to the continuity of sequence number at packet of the every transmission of transmitting terminal.Packet rearrangement for the order entanglement.
Udp protocol is the lower-layer protocols of RTP or GTP-Lite agreement, when udp protocol carrying GTP-U agreement, its port numbers is determined, when udp protocol carrying Real-time Transport Protocol, its port numbers can be distributed arbitrarily, is decided the allocation strategy of udp port number by radio network controller or media gateway (MGW).
In sum, there are three problems in existing technical scheme: (1) packet header expense is bigger; (2) " sequence number " function of providing repeats to provide on two layer protocols; The communication process of total two-layer primitive between (3) three layer protocols.
Summary of the invention
The objective of the invention is a kind of between core net and wireless access network the processing method of circuit domain interface user face, the signal processing method of a kind of protocol stack-Xin of optimization just is provided, be described as IuUP "/UDP/IP with protocol stack.This method can solve above-mentioned three problems preferably: reduced the header overhead of packet, reduced the time of communication process between the protocol layer, merged the function that " sequence number " provides.
The object of the present invention is achieved like this: a kind of between core net and wireless access network the processing method of circuit domain interface user face, it is characterized in that: when core net need send the data to wireless access network on user's face, and when wireless network side receives data, include following each step:
(1) " layer processing module sent request to lower floor's processing module of present networks side, requires to set up to send data channel and finish it to set up the core network side sendaisle: by the IuUP of core net;
(2) after the sendaisle of core network side is successfully set up, this core network sends the RANAP signaling " RABASSIGNMENT REQUEST " of a RAB assignment request to the base station controller of wireless access network end by the signaling of chain of command, this signaling packet contains the bar number of setting up RAB (RAB), by its parameter of carrying, the service quality of definite carrying that need provide;
(3) after the radio network controller of wireless access network side receives this order, the IuUP of its network side " layer processing module sent request to lower floor's processing module of present networks side, according to the parameter in the order, sets up a receive path, and this detailed process is:
(a) set up the wireless network side receive path;
(b) set up the wireless network side sendaisle, and the Radio Access Network side need be distributed an identification number for this sendaisle;
(4) after the transmission of wireless network side and receive path are all set up success, base station controller is by the signaling of chain of command, send the RANAP signaling " RAB ASSIGNMENTRESPONSE " of RAB assignment response, tell core network to the sign of the sendaisle of core network side " udp port number+IP address " wireless network side;
(5) core network receives the sign of this Data-carrying, and beginning is set up a receive path in the present networks side, promptly sets up core network side and receives passage; So far, core network is to the transceiver channel of wireless network, and wireless network all set up to the transceiver channel of core network and finish, and can transmit and receive data mutually between core network and the wireless network.
The detailed process of setting up the core network side sendaisle in described (1) step is: by IuUP " layer is by sending primitive IuUP "-CONTROL-TX-SETUP.request, tell the UDP/IP floor processing module of present networks side with the parameter " QoS info " that requires to guarantee service quality and the traffic identifier parameter that is used to distinguish different data streams " udp port number+IP address ", to set up a new sendaisle; For this reason, UDP/IP layer processing module need be sent request to the layer two and the physical layer of its lower floor, according to request, after layer two and physical layer have been set up passage, returns one for the UDP/IP layer and confirms response; After obtaining this affirmation, UDP/IP layer processing module is to IuUP " layer sends primitive IuUP "-CONTROL-TX-SETUP.confirm, notice IuUP, and " layer, its lower floor's sendaisle that needs has been set up and has been finished.
The detailed process that (a) in described (3) step item is set up the wireless network side receive path is: IuUP " layer is by sending primitive IuUP "-CONTROL-RX-SETUP.request, tell the parameter " QoS " of the service quality that requires to guarantee and the traffic identifier parameter " udp port number+IP address " that is used to distinguish different data streams the UDP/IP floor processing module of present networks side; UDP/IP layer processing module set up a new receive path according to these parameters; For this reason, the UDP/IP layer is handled processing module need send request to the layer two and the physical layer of its lower floor, according to request, after layer two and physical layer have been set up passage, returns one for the UDP/IP layer and confirms response; After obtaining this affirmation, UDP/IP layer processing module is to IuUP " layer sends primitive IuUP "-CONTROL-RX-SETUP.confirm, notice IuUP, and " layer, lower floor's receive path that it needs is set up and is finished.
The detailed process that (b) in described (3) step item is set up the wireless network side sendaisle is: by IuUP " layer is by sending primitive IuUP "-CONTROL-TX-SETUP.request, the parameter " QoS " of the service quality that requires to guarantee and the traffic identifier parameter " udp port number+IP address " that is used to distinguish different data streams are told the UDP/IP floor processing module of present networks side; UDP/IP layer processing module set up a new sendaisle according to these parameters; For this reason, UDP/IP layer processing module need be sent request to the layer two and the physical layer of its lower floor, according to request, after layer two and physical layer have been set up passage, returns one for the UDP/IP layer and confirms response; After obtaining this affirmation, UDP/IP layer processing module is to IuUP " layer sends primitive IuUP "-CONTROL-TX-SETUP.confirm, notice IuUP, and " layer, lower floor's sendaisle that it needs is set up and is finished.
The detailed process of setting up core network side reception passage in described (5) step is: by IuUP " layer is by sending primitive IuUP "-CONTROL-RX-SETUP.request, with the parameter " QoS info " that requires to guarantee service quality and the traffic identifier parameter that is used to distinguish different data streams " udp port number+IP address " tell the present networks side UDP/IP floor processing module, UDP/IP layer processing module set up a new receive path then according to these parameters; For this reason, the UDP/IP layer is handled processing module need send request to the layer two and the physical layer of its lower floor, according to request, after layer two and physical layer have been set up passage, returns one for the UDP/IP layer and confirms response; After obtaining this affirmation, UDP/IP layer processing module is to IuUP " layer sends primitive IuUP "-CONTROL-RX-SETUP.confirm, notice IuUP, and " layer, lower floor's receive path that it needs is set up and is finished.
Characteristics of the present invention are: owing to deleted this layer protocol layer of RTP of the prior art (or GTP-Lite), correspondingly reduced the header overhead of the packet of this layer protocol, also removed the processing procedure of RTP or this layer protocol of GTP-Lite, thereby deleted between IuUP and the RTP (or IuUP and GTP-Lite) and RTP and UDP/IP (or GTP-Lite and UDP/IP) between control primitive processing procedure, only used the control primitive between IuUP and the UDP/IP, the processing procedure of data is simplified on the docking port.In addition, the present invention has merged some repeat functions in the different agreement layer, for example, has removed the GTP-Lite layer, and the traffic identifier function unification of its data is finished by UDP/IP; Removed the RTP layer, its frame number function is unified in IuUP " realizes in the layer; The function that repeats is simplified, can reduce the workload of processor.So, adopt the processing method of circuit domain interface user face of the present invention, promptly protocol stack can obtain following benefit: the header overhead that has reduced packet, reduce the processing time and the treating capacity of control information between the protocol layer, and merged the function that " sequence number " provides.
Description of drawings
Fig. 1 is the position view of circuit interface in network between core network and the wireless network.
Fig. 2 A and Fig. 2 B are respectively existing two kinds of IuCS interface user plane protocol stack architecture schematic diagrames.
Fig. 3 is an IuCS interface user plane protocol stack architecture schematic diagram of the present invention.
Embodiment
The present invention be a kind of between core net and wireless access network the processing method of circuit domain interface user face, when core net need send the data to wireless access network on user's face, and when wireless network side receives data, include following each step:
(1) " layer processing module sent request to lower floor's processing module of present networks side, requires to set up to send data channel and finish it to set up the core network side sendaisle: by the IuUP of core net;
(2) after the sendaisle of core network side is successfully set up, this core network sends a RANAP signaling " RAB ASSIGNMENTREQUEST (RAB assignment request) " by the signaling of chain of command to the base station controller of wireless access network end, this signaling packet contains the bar number of setting up RAB (RAB), by its parameter of carrying, the service quality of definite carrying that need provide;
(3) after the radio network controller of wireless access network side receives this order, the IuUP of its network side " layer processing module sent request to lower floor's processing module of present networks side, according to the parameter in the order, sets up a receive path, and this detailed process is:
(a) set up the wireless network side receive path;
(b) set up the wireless network side sendaisle, and the Radio Access Network side need be distributed an identification number for this sendaisle;
(4) after the transmission of wireless network side and receive path are all set up success, base station controller is by the signaling of chain of command, send a RANAP signaling " RAB ASSIGNMENT RESPONSE (RAB assignment response) ", tell core network to the sign of the sendaisle of core network side " udp port number+IP address " wireless network side;
(5) core network receives the sign of this Data-carrying, and beginning is set up a receive path in the present networks side, promptly sets up core network side and receives passage; So far, core network is to the transceiver channel of wireless network, and wireless network all set up to the transceiver channel of core network and finish, and can transmit and receive data mutually between core network and the wireless network.
When sign off between core network and the wireless network, core network sends a RANAP signaling " Iu Release Command " and gives wireless network.Wireless network side begins to start two sub-processes, is respectively: discharge the wireless network side sendaisle and discharge the wireless network side receive path.When the transmission of wireless network side and receive path all discharge finish after, wireless network sends a RANAP signaling " Iu ReleaseComplete " again and gives core network.After receiving this order, core network then begins again to start two sub-processes, is respectively: discharge core network side and receive passage and discharge the core network side sendaisle.So far, user's face passage between core network and the wireless network just is through with.Because the transmission of these two networks and the release portion processing procedure of receive path are same as the prior art, so repeat no more.
More than for setting up and when discharging a Data-carrying passage main-process stream on the chain of command.
Among the present invention, IuUP " below the layer directly is the UDP/IP layer; with also be provided with the RTP layer between IuUP layer in the original scheme and the UDP/IP layer or the GTP-Lite layer is compared; IuUP layer originally both needed with RTP layer or GTP-Lite layer carry out control information alternately; RTP layer or GTP-Lite layer need again with the UDP/IP layer carry out control information alternately; so it is longer than the time required for the present invention that it sets up the required time of passage.Specifically, scheme originally is: the first step, and IuUP layer transmitting control commands given RTP layer or GTP-Lite layer; In second step, RTP layer or GTP-Lite layer send order for the UDP/IP layer again; In the 3rd step, setting is handled and finished to the UDP/IP layer, beams back response message for RTP layer or GTP-Lite layer; In the 4th step, RTP layer or GTP-Lite layer beam back response message for the IuUP layer again.And processing method of the present invention is: the first step, IuUP, and " layer transmitting control commands given the UDP/IP layer; In second step, setting is handled and finished to the UDP/IP layer, and " layer is beamed back response message to give IuUP again.Clearly, the step that the present invention sets up a required process of passage is few, and natural consumed time is short, and the workload of processor is also few.
After setting up a bearer context for data transmission between core network and the wireless network, just can transceive data.After using the present invention, the header overhead of packet has lacked, and originally the function of Chong Fuing has been simplified, and for example: frame number function and traffic identifier function can merge.For another example: use the scheme of prior art, the IuUP packet will add GTP-Lite control head or RTP control head, and then adds the UDP/IP control head, and expense is obviously big than packet header of the present invention.RTP scheme of the prior art: IuUP packet header 3 bytes (or 4 bytes)+RTP packet header 8 bytes=11 bytes (or 12 bytes); GTP-Lite scheme of the prior art: IuUP packet header 3 bytes (or 4 bytes)+GTP-Lite packet header 4 bytes=7 bytes (or 8 bytes); And have only in the present invention: IuUP " packet header 3 bytes (or 4 bytes).
Below the concise and to the point implementation procedure of describing one embodiment of the invention: when core net need be set up the wireless communication link of a circuit domain with certain device end (UE), at first send one and comprise that the service quality (QoS) of setting up several RABs (RAB) and every RAB requires isoparametric RANAP signaling " RAB ASSIGNMENT REQUEST (RAB assignment request) " to wireless network UTRAN, then, radio network controller (RNC) initiates to set up the bearer context for data transmission of IuCS interface.At this moment, radio network controller is that every RAB is determined a traffic identifier on the IuCS interface, i.e. udp port number+IP address, and by RANAP signaling " RAB ASSIGNMENT RESPONSE " notice core net.So far, a RAB link between core net and the radio network controller is just set up by signaling and has been finished.
Radio network controller (RNC) is behind the traffic identifier that obtains a RAB, by IuUP " the control primitive between layer protocol processing module and the UDP/IP layer protocol processing module (IuUP "-CONTROL-RX primitive and IuUP " CONTROL-TX primitive); tell UDP/IP protocol layer processing module with these parameters of service quality, traffic identifier " udp port number+IP address " respectively; thus for sending and recipient's transfer of data is determined a tunnel respectively, receive with the data flow of transmission and on these two tunnels, communicate by letter respectively.
Transmit leg is at IuUP " sticks a sequence number for each packet on the protocol layer; monotonic increase according to the order of sequence; for example the sequence number of first packet is 5; then the sequence number of second bag is 6; the rest may be inferred; because the sequence number of Frame is 4 bits, therefore wait until that sequence number is, becomes 0 with its delivery at 16 o'clock.The recipient, by checking the continuity of this sequence number, judge whether to exist the situation of frame losing, simultaneously the out of order packet in the short period is arranged according to the order of sequence, to recover normal order.
Claims (5)
1, a kind of between core net and wireless access network the processing method of circuit domain interface user face, it is characterized in that: when core net need send the data to wireless access network on user's face, and when wireless network side receives data, include following each step:
(1) " layer processing module sent request to lower floor's processing module of present networks side, requires to set up to send data channel and finish it to set up the core network side sendaisle: by the IuUP of core net;
(2) after the sendaisle of core network side is successfully set up, this core network sends the RANAP signaling " RABASSIGNMENT REQUEST " of a RAB assignment request to the base station controller of wireless access network end by the signaling of chain of command, this signaling packet contains the bar number of setting up RAB (RAB), by its parameter of carrying, the service quality of definite carrying that need provide;
(3) after the radio network controller of wireless access network side receives this order, the IuUP of its network side " layer processing module sent request to lower floor's processing module of present networks side, according to the parameter in the order, sets up a receive path, and its detailed process is:
(a) set up the wireless network side receive path;
(b) set up the wireless network side sendaisle, and the Radio Access Network side need be distributed an identification number for this sendaisle;
(4) after the transmission of wireless network side and receive path are all set up success, base station controller is by the signaling of chain of command, send the RANAP signaling " RAB ASSIGNMENTRESPONSE " of RAB assignment response, tell core network to the sign of the sendaisle of core network side " udp port number+IP address " wireless network side;
(5) core network receives the sign of this Data-carrying, and beginning is set up a receive path in the present networks side, promptly sets up core network side and receives passage; So far, core network is to the transceiver channel of wireless network, and wireless network all set up to the transceiver channel of core network and finish, and can transmit and receive data mutually between core network and the wireless network.
2, as claimed in claim 1 between core net and wireless access network the processing method of circuit domain interface user face, it is characterized in that: the detailed process of setting up the core network side sendaisle in described (1) step is: by IuUP " layer is by sending primitive IuUP "-CONTROL-TX-SETUP.request, tell the UDP/IP floor processing module of present networks side with the parameter " QoS info " that requires to guarantee service quality and the traffic identifier parameter that is used to distinguish different data streams " udp port number+IP address ", to set up a new sendaisle; For this reason, UDP/IP layer processing module need be sent request to the layer two and the physical layer of its lower floor, according to request, after layer two and physical layer have been set up passage, returns one for the UDP/IP layer and confirms response; After obtaining this affirmation, UDP/IP layer processing module is to IuUP " layer sends primitive IuUP "-CONTROL-TX-SETUP.confirm, notice IuUP, and " layer, its lower floor's sendaisle that needs has been set up and has been finished.
3, as claimed in claim 1 between core net and wireless access network the processing method of circuit domain interface user face, it is characterized in that: the detailed process that (a) in described (3) step item is set up the wireless network side receive path is: IuUP " layer is by sending primitive IuUP "-CONTROL-RX-SETUP.request, tell the parameter " QoS " of the service quality that requires to guarantee and the traffic identifier parameter " udp port number+IP address " that is used to distinguish different data streams the UDP/IP floor processing module of present networks side; UDP/IP layer processing module set up a new receive path according to these parameters; For this reason, UDP/IP layer processing module need be sent request to the layer two and the physical layer of its lower floor, according to request, after layer two and physical layer have been set up passage, returns one for the UDP/IP layer and confirms response; After obtaining this affirmation, UDP/IP layer processing module is to IuUP " layer sends primitive IuUP "-CONTROL-RX-SETUP.confirm, notice IuUP, and " layer, lower floor's receive path that it needs is set up and is finished.
4, as claimed in claim 1 between core net and wireless access network the processing method of circuit domain interface user face, it is characterized in that: the detailed process that (b) in described (3) step item is set up the wireless network side sendaisle is: by IuUP " layer is by sending primitive IuUP "-CONTROL-TX-SETUP.request, the parameter " QoS " of the service quality that requires to guarantee and the traffic identifier parameter " udp port number+IP address " that is used to distinguish different data streams are told the UDP/IP floor processing module of present networks side; UDP/IP layer processing module set up a new sendaisle according to these parameters; For this reason, UDP/IP layer processing module need be sent request to the layer two and the physical layer of its lower floor, according to request, after layer two and physical layer have been set up passage, returns one for the UDP/IP layer and confirms response; After obtaining this affirmation, UDP/IP layer processing module is to IuUP " layer sends primitive IuUP "-CONTROL-TX-SETUP.confirm, notice IuUP, and " layer, lower floor's sendaisle that it needs is set up and is finished.
5, as claimed in claim 1 between core net and wireless access network the processing method of circuit domain interface user face, it is characterized in that: the detailed process of setting up core network side reception passage in described (5) step is: by IuUP " layer is by sending primitive IuUP "-CONTROL-RX-SETUP.request, with the parameter " QoS info " that requires to guarantee service quality and the traffic identifier parameter that is used to distinguish different data streams " udp port number+IP address " tell the present networks side UDP/IP floor processing module, UDP/IP layer processing module set up a new receive path then according to these parameters; For this reason, the UDP/IP layer is handled processing module need send request to the layer two and the physical layer of its lower floor, according to request, after layer two and physical layer have been set up passage, returns one for the UDP/IP layer and confirms response; After obtaining this affirmation, UDP/IP layer processing module is to IuUP " layer sends primitive IuUP "-CONTROL-RX-SETUP.confirm, notice IuUP, and " layer, lower floor's receive path that it needs is set up and is finished.
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| CN101094520B (en) * | 2006-06-20 | 2012-06-06 | 阿尔卡特朗讯 | Wimax network, wimax network element, and method of handling QoS requirements therein |
| CN101789896B (en) * | 2009-01-24 | 2012-10-17 | 华为技术有限公司 | Method for accessing internet by user equipment and system therefor |
| CN103096507A (en) * | 2013-02-21 | 2013-05-08 | 北京邮电大学 | Data channel building method and data channel building device |
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2001
- 2001-12-29 CN CNB011302690A patent/CN1161909C/en not_active Expired - Fee Related
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| CN100352312C (en) * | 2004-09-07 | 2007-11-28 | 中兴通讯股份有限公司 | Method for realizing addressing request delivery spanning wireless network controller by IU interface |
| US7643494B2 (en) | 2004-12-06 | 2010-01-05 | Lg-Nortel Co., Ltd. | Interworking apparatus and method for accepting IP in WCDMA system |
| CN100396109C (en) * | 2005-04-27 | 2008-06-18 | 华为技术有限公司 | Method for obtaining information of radio access carrier setting-up status |
| CN100455040C (en) * | 2005-06-03 | 2009-01-21 | 中兴通讯股份有限公司 | Method for treating peer entities on side of control equipment in wireless network |
| CN1933368B (en) * | 2005-09-13 | 2010-05-19 | 阿尔卡特公司 | Method for operating a passive optical network, optical line termination and transmission frame structure |
| CN100455134C (en) * | 2006-04-21 | 2009-01-21 | 华为技术有限公司 | Method and device for arranging channel |
| CN101094520B (en) * | 2006-06-20 | 2012-06-06 | 阿尔卡特朗讯 | Wimax network, wimax network element, and method of handling QoS requirements therein |
| CN101001130B (en) * | 2007-01-23 | 2010-05-19 | 华为技术有限公司 | Method and device for monitoring Iub interface packet-loss rate |
| WO2010069188A1 (en) * | 2008-12-16 | 2010-06-24 | 华为技术有限公司 | Service processing method, device and system |
| CN101789896B (en) * | 2009-01-24 | 2012-10-17 | 华为技术有限公司 | Method for accessing internet by user equipment and system therefor |
| CN103096507A (en) * | 2013-02-21 | 2013-05-08 | 北京邮电大学 | Data channel building method and data channel building device |
| CN103096507B (en) * | 2013-02-21 | 2016-09-21 | 北京邮电大学 | The method for building up of a kind of data channel and device |
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