CN101984720A - Reconfiguration method of radio link, system and radio network controller (RNC) - Google Patents
Reconfiguration method of radio link, system and radio network controller (RNC) Download PDFInfo
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- CN101984720A CN101984720A CN2010105394389A CN201010539438A CN101984720A CN 101984720 A CN101984720 A CN 101984720A CN 2010105394389 A CN2010105394389 A CN 2010105394389A CN 201010539438 A CN201010539438 A CN 201010539438A CN 101984720 A CN101984720 A CN 101984720A
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Abstract
The invention provides a reconfiguration method of a radio link, a system and a radio network controller (RNC) under a macro diversity scene. The method comprises the following steps: the RNC respectively carries out the configuration on the new service of user equipment (UE) and multiple Nodebs connected with the UE; the RNC receives a radio link recovery request massage from any Nodeb in the Nodebs, is switched to the configuration corresponding to the new service and transmits the configuration efficient information to the Nodebs; and the Nodebs receiving the configuration efficient information detect whether the self-configuration corresponding to the new service is efficient or not, and the configuration is efficient if the configuration is not efficient. After the RNC is switched to the new configuration, all Nodebs relative to the new service are instantly noticed through the invention, the non-efficient Nodebs are forced to be efficient and the efficient times of the Nodebs slightly differ so that the rapid reconfiguration and no call drop of the radio link under the macro diversity scene are realized.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of reallocating method, system and radio network controller of the Radio Link under grand diversity scene.
Background technology
The network element that Fig. 1 shows the WCDMA system wireless Access Network of prior art constitutes, as shown in Figure 1, RNC (RadioNetwork Controller, radio network controller) standard interface between network element and NodeB (Node B) network element is the lub mouth, the wireless link synchronization reprovision is very important dedicated signaling in lub mouth NBAP (Node B Application Part, the node B application part) signaling.
Corresponding wireless network side of UU mouth and UE (user terminal) side, the physical layer of wireless network side realizes on the Nodeb network element, in the wireless link synchronization reprovision, RNC is by the physical layer relevant parameter of NBAP signaling Nodeb configuration network side, RNC is also by RRC signaling (Radio Resource Control, unlimited resources control) configuration UU mouth UE side physical layer relevant parameter, generally, in order to realize terminal new business, the RNC corresponding with new business newly disposes, new configuration of Nodeb and UE configuration meeting newly come into force simultaneously at some time points, realize the new business requirement.
The wireless link synchronization reprovision has a detailed description in 3GPP agreement 25.433, finishes in two steps, and the first step is wireless link reconfigured preparation, and second step was wireless link reconfigured submission.Wherein the first step is the preparatory stage of Nodeb, i.e. application is newly disposed but is not temporarily allowed its work, in the wireless link reconfigured submission signaling in second step, just stipulated the time point that the new configuration of Nodeb is started working, the CFN (Connection Frame Number (Counter), Connection Frame Number) that also promptly comes into force is because be synchronous reprovision, so this CFN also is simultaneously the CFN that comes into force of configuration newly of RNC network element and the new configuration of UE network element, the three is synchronous.
This wireless link synchronization reprovision of realizing in two steps also has another special mode, it is quick reprovision, reprovision also has so two steps fast, but the difference of itself and common synchronous reprovision is: fast under the reprovision, three new configuration take-effective time points of related network elements can be variant, generally be that its new configuration came into force earlier after UE received the RRC signaling, after Nodeb receives wireless link reconfigured submission, if its new configuration active detecting UE is after the up link under the new configuration satisfies the wireless link recovery condition, the new configuration of Nodeb comes into force and sends out the wireless link recovery signaling to RNC so, after RNC receives the Nodeb wireless link recovery signaling that newly configuration sends, RNC also switches to new configuration effort from old configuration immediately, and business change is so far finished.This shows, contrast common synchronous reprovision, fast the new configuration take-effective time point of each network element of reprovision is different, the unified CFN of neither one just, but difference is little.Under this quick reprovision mode, terminal and network switch to the process take time of work under the new configuration than short under the synchronous reprovision mode, Here it is quick reprovision and the synchronous the most basic difference of reprovision, it also is the advantage of quick reprovision, if switching frequently and fast under the wireless environment, this advantage just is reflected more clearly.
Grand diversity scene in the WCDMA system that has in the technology shown in Figure 2, the grand diversity scene of wireless network refers to that UE is in soft switching process in the WCDMA wireless communication technology, many different link establishments are (2 or more than) on a plurality of different Nodeb, like this, each business change, RNC need carry out the wireless link synchronization reprovision to a plurality of Nodeb.For quick reprovision, the 3GPP agreement has simple description, but for how implementing quick reprovision under the grand diversity scene, 3GPP does not specifically describe, and each manufacturer can be chosen under the grand diversity scene and not support quick reprovision, only supports common synchronous reprovision.
Under grand diversity scene, use quick reprovision and can have following problem, if use quick reprovision mode, because the CFN that comes into force that each network element is ununified, after might existing the new configuration of following situation: UE to come into force earlier, the time point that the new configuration detection of different Nodeb satisfies the wireless link recovery condition has successively, if satisfying the wireless link recovery condition earlier, certain Nodeb comes into force earlier, and then notice RNC also comes into force at once, other Nodeb (perhaps not can satisfy the Nodeb of wireless link recovery condition) that also do not satisfy the wireless link recovery condition will lag behind so, different like this Nodeb is just inconsistent on sequential, as long as RNC, after UE and one of them Nodeb switch to new configuration, RNC will continue follow-up flow process, the Nodeb that lags behind might will can not satisfy the executive condition of follow-up flow process, thereby causes business procedure disorder and call drop.
Summary of the invention
Main purpose of the present invention is to provide a kind of reallocating method, system and radio network controller of the Radio Link under grand diversity scene, causes the problem of business procedure disorder and call drop to solve the above-mentioned quick reprovision of application under grand diversity scene at least.
According to an aspect of the present invention, provide a kind of reallocating method of the Radio Link under grand diversity scene, may further comprise the steps: RNC carries out the configuration of new business to UE with a plurality of Nodeb that are connected with UE respectively; RNC receives the wireless link recovery request message from the arbitrary Nodeb among a plurality of Nodeb, switches to the configuration corresponding with new business, and sends configuration take-effective message to a plurality of Nodeb; Whether the configuration corresponding with new business that receives the Nodeb detection self of configuration take-effective message comes into force, if Pending The Entry Into Force then makes this configuration take-effective.
Further, RNC comprises the configuration that UE carries out new business: RNC carries out the configuration of new business to UE by the RRC signaling.
Further, RNC carries out the configuration of new business to a plurality of Nodeb that are connected with UE, comprising: RNC carries out the configuration of new business to a plurality of Nodeb by wireless link reconfigured preparation and wireless link reconfigured submission.
Further, RNC switches to before the new configuration after receiving wireless link recovery request message from the arbitrary Nodeb among a plurality of Nodeb, also comprise: when the up link that Nodeb detects the new configuration of UE satisfies the wireless link recovery condition, send the wireless link recovery request message to RNC.
Further, configuration take-effective message is Frame Protocol FP control frame.
Further, the FP control frame comprises following field at least: control frame type field, control information field.
Further, when the new configuration that the Nodeb that receives configuration take-effective message detects self has come into force, then abandon configuration take-effective message.
Further, reallocating method is applied to the WCDMA system.
According to a further aspect in the invention, provide a kind of radio network controller, having comprised: configuration module is used for respectively UE being carried out the configuration of new business with a plurality of Nodeb that are connected with UE; Receiver module is used to receive the wireless link recovery request message from Nodeb; Handover module is used for switching to the configuration corresponding with new business according to the wireless link recovery request message; Sending module is used for sending the configuration take-effective message to a plurality of Nodeb, and wherein, configuration take-effective message is used for the configuration take-effective of indicating a plurality of Nodeb corresponding with new business.
In accordance with a further aspect of the present invention, a kind of reprovision system of the Radio Link under grand diversity scene is provided, comprise: radio network controller (RNC), be used for that UE and a plurality of Nodeb that are connected with UE are carried out business and upgrade configuration, RNC switches to new configuration after receiving wireless link recovery request message from the arbitrary Nodeb among a plurality of Nodeb, and sends the configuration take-effective message to a plurality of Nodeb; Node B (Nodeb), be used for when the up link that detects the new configuration of UE satisfies the wireless link recovery condition, send out the wireless link recovery request to RNC, and when receiving configuration take-effective message, whether the configuration corresponding with new business that detects self comes into force, if Pending The Entry Into Force then makes this configuration take-effective
By the present invention, after RNC switches to new configuration, notify all Nodebs relevant immediately with this new business, pressure allows all unenforced Nodeb also come into force at once, make a plurality of Nodeb entry-into-force times differ very little, thereby realized the quick reprovision of the Radio Link under the grand diversity scene and call drop not.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the network element structural representation according to the WCDMA system wireless Access Network of correlation technique;
Fig. 2 is a grand diversity scene schematic diagram in the WCDMA system according to correlation technique;
Fig. 3 is the reallocating method flow chart according to the Radio Link of the embodiment of the invention;
Fig. 4 is the radio network controller structured flowchart according to the embodiment of the invention;
Fig. 5 is the reprovision system architecture diagram according to the Radio Link of the embodiment of the invention;
Fig. 6 is the reallocating method flow chart according to the Radio Link of the embodiment of the invention one;
Fig. 7 is the FP control frame structural representation according to the embodiment of the invention; And
Fig. 8 is the FP control frame process chart according to the embodiment of the invention.
Embodiment
Hereinafter will describe the present invention with reference to the accompanying drawings and in conjunction with the embodiments in detail.Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
Fig. 3 is the reallocating method flow chart according to the Radio Link of the embodiment of the invention, as shown in Figure 3, may further comprise the steps:
Step S302, radio network controller (RNC) carry out the configuration of new business to UE with a plurality of Nodeb that are connected with UE respectively.
Step S304, RNC receive the wireless link recovery request message from the arbitrary Nodeb among a plurality of Nodeb, switch to the configuration corresponding with new business, and send configuration take-effective message to a plurality of Nodeb.
Step S306, whether the configuration corresponding with new business that receives the Nodeb detection self of configuration take-effective message comes into force, if Pending The Entry Into Force then makes this configuration take-effective.
In said method, after RNC switches to new configuration, notify all Nodebs relevant immediately with this new business, pressure allows all unenforced Nodeb also come into force at once, make a plurality of Nodeb entry-into-force times differ very little, thus realized the Radio Link under the grand diversity scene quick reprovision and can call drop.
Fig. 4 is the radio network controller structured flowchart according to the embodiment of the invention, and as shown in Figure 4, this radio network controller comprises: configuration module 102, receiver module 104, handover module 106 and sending module 108.Wherein, intercouple between configuration module 102, receiver module 104, handover module 106 and the sending module 108, configuration module 102 is used for respectively UE being carried out the configuration of new business with a plurality of Nodeb that are connected with UE; Receiver module 104 is used to receive the wireless link recovery request message from Nodeb; Handover module 106 is used for switching to the configuration corresponding with new business according to the wireless link recovery request message; Sending module 108 is used for sending the configuration take-effective message to a plurality of Nodeb, and wherein, configuration take-effective message is used for the configuration take-effective of indicating a plurality of Nodeb corresponding with new business.
In above-mentioned radio network controller, after RNC switches to new configuration by handover module 106, send configuration take-effective message informing all Nodebs relevant with this new business by sending module 108, force to allow all unenforced Nodeb also come into force at once; Make a plurality of Nodeb entry-into-force times differ very little, thereby realized the quick reprovision of the Radio Link under the grand diversity scene and call drop not.
Fig. 5 is the reprovision system architecture diagram according to the Radio Link of the embodiment of the invention, as shown in Figure 5, this reprovision system comprises: RNC 10 and a plurality of Nodeb 20, wherein, RNC 10, be used for that UE and a plurality of Nodeb that are connected with UE 20 are carried out business and upgrade configuration, RNC 10 switches to new configuration after receiving wireless link recovery request message from the arbitrary Nodeb among a plurality of Nodeb 20, and sends the configuration take-effective message to a plurality of Nodeb 20; Nodeb 20, are used for sending out the wireless link recovery request to RNC when the up link that detects the new configuration of UE satisfies the wireless link recovery condition, and when receiving configuration take-effective message, whether the configuration corresponding with new business that detects self comes into force, if Pending The Entry Into Force then makes this configuration take-effective.
Fig. 6 is the reallocating method flow chart according to the Radio Link of the embodiment of the invention one, as shown in Figure 6, may further comprise the steps:
Step S602, for satisfying the new business requirement, RNC is by RRC signaling configuration UE, and RNC disposes a plurality of Nodeb by wireless link reconfigured preparation and wireless link reconfigured submission, and RNC oneself also prepares the new configuration of oneself.
Step S604, wherein the up link of the new configuration of the new configuration detection UE of certain Nodeb satisfies the wireless link recovery condition, promptly sends out the wireless link recovery request to RNC, illustrates that UE and this Nodeb have switched to new configuration, RNC oneself also switches to new configuration, and new business begins life's work like this.
Step S606 after RNC oneself switches to new configuration, notifies all Nodebs relevant with this new business at lub mouth user face by FP control frame mode immediately, forces to allow all unenforced Nodeb also come into force at once.
In above-mentioned steps S606, select using by the mode of lub mouth user face FP control frame notifies Nodeb based on following consideration: because Nodeb does not know oneself whether to be under the grand diversity business scenario, Nodeb does not know whether oneself lags behind yet, and in the 3GPP agreement, there is not communication channel between Nodeb, so Nodeb is passive, can only notify the Nodeb that does the hysteresis of quick reprovision under the grand diversity scene in time to come into force by RNC.The communication mode of general lub mouth has two kinds, and a kind of is chain of command NBAP signaling, and a kind of is user face data.If notify with chain of command NBAP signaling, there is not this special signaling in the 3GPP agreement, in view of the standardization of lub mouth, dealing with problems by chain of command does not meet protocol requirement.Yet dealing with problems by the FP control frame of user's face is a kind of good method.
Step S608, Nodeb receive that pressure that RNC sends comes into force after the notice, and self check abandons if oneself enters into force, if own Pending The Entry Into Force then come into force.
Fig. 7 is the FP control frame structural representation according to the embodiment of the invention, as shown in Figure 7, this FP control frame comprises frame head Header and load p ayload, frame head comprises Frame CRC (frame cyclic redundancy code) field and Control Frame Type (control frame type) field, and total length is two bytes; Payload comprises Control information field, Controlinformation (CONT.) and Spare Extension field, and the length of Payload is variable.
The FP control frame has polytype, distinguish frame type by Control Frame the type field, the implication of different FP control frame structure representatives is also inequality, in the present embodiment, the control frame that can construct a kind of specific type is applied in the above-mentioned scene, new control frame, RNC is sending new control frame to Nodeb under the quick reprovision mode and under the new configuration of the RNC situation about entering into force to this specification this special control frame of structure, and does not send out under other situations control frame new.
Fig. 8 is the FP control frame process chart according to the embodiment of the invention, and as shown in Figure 8, Nodeb is at first judged after receiving new control frame, if Nodeb is under the unenforced state of quick reprovision, then comes into force at once; If Nodeb is doing quick reprovision, perhaps reprovision enters into force fast, does not then handle new control frame.
Pass through the above embodiment of the present invention, under grand diversity scene, if UE, after RNC and one of them Nodeb have switched to new configuration, illustrate that new business has begun operate as normal, allow the Nodeb that lags behind force in time coming into force in new configuration then, the time phase difference that comes into force of each Nodeb is little like this, the call drop that has caused with regard to having avoided sequential to differ greatly.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, and in some cases, can carry out step shown or that describe with the order that is different from herein, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the reallocating method of the Radio Link under grand diversity scene is characterized in that, comprising:
Radio network controller (RNC) carries out the configuration of new business to UE with the Nodeb that a plurality of and described UE is connected respectively;
Described RNC receives the wireless link recovery request message from the arbitrary Nodeb among described a plurality of Nodeb, switches to the configuration corresponding with described new business, and sends configuration take-effective message to described a plurality of Nodeb;
Whether the configuration corresponding with described new business that receives the Nodeb detection self of described configuration take-effective message comes into force, if Pending The Entry Into Force then makes this configuration take-effective.
2. the reallocating method of Radio Link according to claim 1 is characterized in that, described RNC comprises the configuration that described UE carries out described new business:
Described RNC carries out the configuration of described new business to described UE by the RRC signaling.
3. the reallocating method of Radio Link according to claim 1 is characterized in that, described RNC carries out the configuration of new business to the Nodeb that a plurality of and described UE is connected, and comprising:
Described RNC carries out the configuration of described new business by wireless link reconfigured preparation and wireless link reconfigured submission to described a plurality of Nodeb.
4. the reallocating method of Radio Link according to claim 1 is characterized in that, described RNC switches to before the new configuration after receiving wireless link recovery request message from the arbitrary Nodeb among described a plurality of Nodeb, also comprises:
When the up link that Nodeb detects the new configuration of UE satisfies the wireless link recovery condition, send described wireless link recovery request message to described RNC.
5. according to the reallocating method of each described Radio Link of claim 1 to 4, it is characterized in that described configuration take-effective message is Frame Protocol FP control frame.
6. the reallocating method of Radio Link according to claim 5 is characterized in that, described FP control frame comprises following field at least:
Control frame type field, control information field.
7. the reallocating method of Radio Link according to claim 6 is characterized in that, when the new configuration that the Nodeb that receives described configuration take-effective message detects self has come into force, then abandons described configuration take-effective message.
8. according to the reallocating method of each described Radio Link of claim 1 to 4, it is characterized in that described reallocating method is applied to the WCDMA system.
9. a radio network controller is characterized in that, comprising:
Configuration module is used for respectively UE being carried out the configuration of new business with the Nodeb that a plurality of and described UE is connected;
Receiver module is used to receive the wireless link recovery request message from described Nodeb;
Handover module is used for switching to the configuration corresponding with described new business according to described wireless link recovery request message;
Sending module is used for sending the configuration take-effective message to described a plurality of Nodeb, and wherein, described configuration take-effective message is used for the configuration take-effective of indicating described a plurality of Nodeb corresponding with described new business.
10. the reprovision system of the Radio Link under grand diversity scene is characterized in that, comprising:
Radio network controller (RNC), be used for that the Nodeb that UE is connected with a plurality of and described UE is carried out business and upgrade configuration, described RNC switches to new configuration after receiving wireless link recovery request message from the arbitrary Nodeb among described a plurality of Nodeb, and sends the configuration take-effective message to described a plurality of Nodeb;
Described Nodeb, be used for when the up link that detects the new configuration of described UE satisfies the wireless link recovery condition, send out the wireless link recovery request to described RNC, and when receiving described configuration take-effective message, whether the configuration corresponding with described new business that detects self comes into force, if Pending The Entry Into Force then makes this configuration take-effective.
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| CN103338518A (en) * | 2012-12-31 | 2013-10-02 | 上海华为技术有限公司 | Method, base station and system for sending RRC signaling |
| CN103428715A (en) * | 2012-05-17 | 2013-12-04 | 中兴通讯股份有限公司 | Method and device for reconfiguring wireless link |
| WO2016082449A1 (en) * | 2014-11-28 | 2016-06-02 | 中兴通讯股份有限公司 | Base station and radio link reconfiguration control method |
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| CN101103642A (en) * | 2004-11-25 | 2008-01-09 | 日本电气株式会社 | Transmission method for uplink transport layer |
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| CN103428715A (en) * | 2012-05-17 | 2013-12-04 | 中兴通讯股份有限公司 | Method and device for reconfiguring wireless link |
| CN103428715B (en) * | 2012-05-17 | 2016-09-28 | 中兴通讯股份有限公司 | Wireless link reconfigured method and device |
| CN103338518A (en) * | 2012-12-31 | 2013-10-02 | 上海华为技术有限公司 | Method, base station and system for sending RRC signaling |
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| WO2016082449A1 (en) * | 2014-11-28 | 2016-06-02 | 中兴通讯股份有限公司 | Base station and radio link reconfiguration control method |
| CN105704817A (en) * | 2014-11-28 | 2016-06-22 | 中兴通讯股份有限公司 | Base station and radio link reconfiguration control method |
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Effective date of registration: 20180314 Address after: 518000, two 703A, COFCO business park, two Xian Xian Road, Xin'an, Shenzhen, Guangdong, Baoan District Patentee after: Shenzhen Fu Hai Sunshine Technology Co., Ltd. Address before: 518057 Nanshan District science and technology, Guangdong Province, South Road, No. 55, No. Patentee before: ZTE Corporation |
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Granted publication date: 20150128 Termination date: 20191110 |