CN102316540B - A kind of connection control method when switching and system - Google Patents
A kind of connection control method when switching and system Download PDFInfo
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- CN102316540B CN102316540B CN201010228171.1A CN201010228171A CN102316540B CN 102316540 B CN102316540 B CN 102316540B CN 201010228171 A CN201010228171 A CN 201010228171A CN 102316540 B CN102316540 B CN 102316540B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/24—Negotiating SLA [Service Level Agreement]; Negotiating QoS [Quality of Service]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
- H04W36/0033—Control or signalling for completing the hand-off for data sessions of end-to-end connection with transfer of context information
Abstract
The invention discloses connection control method during a kind of switching, the method includes: the lateral target network side of source network sends hand off signaling；Hand off signaling includes the subscriber equipment handling capacity in cell-of-origin；After target network side receives hand off signaling, implement Access Control according to the QoS parameter of the subscriber equipment handling capacity in cell-of-origin or RAB.The invention also discloses access control system during a kind of switching, this system includes Access Control unit, receive for target network side in the case of coming from the hand off signaling of source network side, implement Access Control according to the QoS parameter of the subscriber equipment handling capacity in cell-of-origin or RAB；Wherein, subscriber equipment is included in hand off signaling in the handling capacity of cell-of-origin.Use the method and system of the present invention, Access Control can be carried out according to the practical business demand of UE, thus not interfere with the experience of user.
Description
Technical field
The present invention relates to control technology during switching, connection control method when particularly relating to a kind of switching and system.
Background technology
In mobile communication system, in order to meet mobility requirement, as subscriber equipment (UE, UserEquipment) after Serving cell i.e. cell-of-origin is connected with network foundation, UE need nonetheless remain for measuring the signal quality of its Serving cell and neighbor cell, in order to selects more particularly suitable community to switch over.In handoff procedure, Target cell needs this UE is implemented Access Control, in the case of resource allows, allow the handover request of this UE, concrete switching flow is as shown in Figure 1, as a example by this sentences evolution Universal Terrestrial Radio Access Network network (EUTRAN, EvolvedUniversalTerrestrialRadioAccessNetwork), the switching flow of Fig. 1 comprises the following steps:
Step 101, the UE being in connection status in Serving cell i.e. cell-of-origin performs measurement according to measuring configuration, and when UE records the neighbor cell meeting report condition, UE is to the source base station reporting measurement reports belonging to cell-of-origin.
Here, measurement report refers to that the signal quality of neighbor cell is higher than the measurement report of predetermined threshold higher than the measurement report of the predetermined offset of Serving cell or the signal quality of neighbor cell.
Step 102, after the source base station belonging to cell-of-origin receives measurement report, makes handover decisions, needs UE is switched to the adjacent base station i.e. Target cell at target BS place, and source base station sends handover request to target BS.
Here, there is X2 interface between source base station and target BS.Service quality (QoS, the QualityofService) parameter of the RAB (E-RAB, E-UTRANRadioAccessBearer) that UE sets up is comprised in handover request.
Step 103, after target BS receives handover request, performs Access Control according to the qos parameter comprised in handover request, in the case of resource allows, it is allowed to the switching of this UE, for this UE Resources allocation.
Step 104, target BS sends Handover Request Acknowledge to source base station, comprises the resource information of distribution.
Step 105, after source base station receives Handover Request Acknowledge, sends switching command to UE.
Here, in existing LTE system, source base station connects reconfiguration message by RRC and carries mobile control information (mobilityControlInfo) to UE transmission switching command.
Step 106, UE obtains synchronization with Target cell, initiates Stochastic accessing at Target cell, sends switching to target BS and completes signaling, and so far, UE is switched to Target cell.
In the step 103 of above-mentioned switching flow, when the qos parameter of the E-RAB that target BS is set up according to UE implements Access Control, qos parameter includes QoS classification logotype (QCI, QoSClassIdentifier), distribute and retain priority (ARP, AllocationandRetentionPriority).If the E-RAB that UE sets up is to ensure that bit rate (GBR, GuaranteedBitRate) business, then qos parameter also needs to include the maximum bit rate (MBR of up GBR and descending GBR and uplink and downlink, MaximumBitRate), this maximum bit rate can be more than or equal to this GBR.Wherein, described GBR can also referred to as ensure bit rate；Described MBR can also be referred to as Maximum Bit Rate.
In prior art, owing to not considering the UE handling capacity actual in cell-of-origin when target BS implements Access Control, thereby cause a problem in that
A kind of situation is: when target BS find that UE sets up be GBR traffic time, need to implement Access Control according to GBR, and owing to not considering the UE handling capacity (Throughput) actual in cell-of-origin during this Access Control, here Throughput is it can be appreciated that flow, therefore, if handling capacity actual for this UE is more than GBR, then target BS implements Access Control only in GBR, and be UE Resources allocation, thus result in the problem that UE service rate after handover is substantially reduced, have influence on the experience of user；Another kind of situation is: if target BS discovery UE foundation is non-GBR traffic, Access Control is implemented owing to target BS does not accounts for handling capacity actual in cell-of-origin for UE, thus result in the problem that too much or very few for this UE Resources allocation or reserved resource, the wasting of resources will be caused when the Resources allocation too much for this UE, and be that Resources allocation very few for this UE will cause UE service after switching speed to be substantially reduced, influence whether the experience of user too.In a word, in prior art when implementing Access Control, the handling capacity actual in cell-of-origin owing to not considering UE, therefore cannot carry out Access Control according to the practical business demand of UE, thus have influence on the experience of user.At present in the urgent need to the Access Control scheme of a kind of improvement.
Summary of the invention
In view of this, present invention is primarily targeted at connection control method when a kind of switching is provided and system, Access Control can be carried out according to the practical business demand of UE, thus not interfere with the experience of user.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:
A kind of connection control method when switching, the method includes:
The lateral target network side of source network sends hand off signaling；Described hand off signaling includes the subscriber equipment handling capacity in cell-of-origin；
After target network side receives described hand off signaling, implement Access Control according to the QoS parameter of the described subscriber equipment handling capacity in cell-of-origin or RAB.
Wherein, described subscriber equipment includes in the handling capacity of cell-of-origin: handling capacity that subscriber equipment is up in cell-of-origin and/or the subscriber equipment handling capacity descending in cell-of-origin.
Wherein, the handling capacity that described subscriber equipment is up in cell-of-origin includes: total packet size that reception subscriber equipment sends sends the business of the time span of packet or receives the average data containing amount of subscriber equipment transmission in a period of time divided by reception subscriber equipment.
Wherein, the handling capacity that described subscriber equipment is descending in cell-of-origin includes: to subscriber equipment send total packet size divided by subscriber equipment send packet time span business or in a period of time to subscriber equipment send average data containing amount.
Wherein, described a period of time is by agreement default configuration or by the configuration of described source network side.
Wherein, the method also includes: when the described QoS parameter according to the subscriber equipment handling capacity in cell-of-origin or RAB implements described Access Control, for described user equipment allocation or reserved resource.
Wherein, when the guarantee bit rate in the described subscriber equipment handling capacity in the cell-of-origin QoS parameter less than or equal to described RAB or Maximum Bit Rate, during the described Access Control of described enforcement it is described user equipment allocation or reserved resource specifically includes: described target network side implements Access Control, for described user equipment allocation or reserved resource according to the described subscriber equipment handling capacity in cell-of-origin；Or,
When the subscriber equipment handling capacity in cell-of-origin more than RAB QoS parameter in guarantee bit rate time, during the described Access Control of described enforcement it is described user equipment allocation or reserved resource specifically includes: described target network side implements Access Control according to the QoS parameter of described RAB, in the case of resource allows, it is described user equipment allocation or reserved resource with the described subscriber equipment handling capacity in cell-of-origin；Or,
When in hand off signaling, the QoS parameter of RAB does not include ensureing bit rate and Maximum Bit Rate, during the described Access Control of described enforcement it is described user equipment allocation or reserved resource specifically includes: described target network side implements Access Control, for described user equipment allocation or reserved resource according to the described subscriber equipment handling capacity in cell-of-origin；Or,
When the Target cell comprised in hand off signaling can not meet the described subscriber equipment handling capacity in cell-of-origin, during the described Access Control of described enforcement it is described user equipment allocation or reserved resource specifically includes: described target network side is that described subscriber equipment selects to meet the described subscriber equipment Target cell in the throughput demand of cell-of-origin；Or,
When the described subscriber equipment handling capacity in cell-of-origin more than described RAB QoS parameter in guarantee bit rate time, during the described Access Control of described enforcement it is described user equipment allocation or reserved resource specifically includes: described target network side implements Access Control, for described user equipment allocation or reserved resource according to the described subscriber equipment handling capacity in cell-of-origin.
A kind of access control system when switching, this system includes: Access Control unit, receive for target network side in the case of coming from the hand off signaling of source network side, implement Access Control according to the QoS parameter of the subscriber equipment handling capacity in cell-of-origin or RAB；Wherein, the described subscriber equipment handling capacity in cell-of-origin is included in described hand off signaling.
Wherein, described subscriber equipment includes in the handling capacity of cell-of-origin: handling capacity that subscriber equipment is up in cell-of-origin and/or the subscriber equipment handling capacity descending in cell-of-origin.
Wherein, the handling capacity that described subscriber equipment is up in cell-of-origin includes: total packet size that reception subscriber equipment sends sends the business of the time span of packet or receives the average data containing amount of subscriber equipment transmission in a period of time divided by reception subscriber equipment.
Wherein, the handling capacity that described subscriber equipment is descending in cell-of-origin includes: to subscriber equipment send total packet size divided by subscriber equipment send packet time span business or in a period of time to subscriber equipment send average data containing amount.
Wherein, described a period of time is by agreement default configuration or by the configuration of described source network side.
Wherein, described Access Control unit, when being further used for the QoS parameter described Access Control of enforcement of the foundation subscriber equipment handling capacity in cell-of-origin or RAB, for described user equipment allocation or reserved resource.
Wherein, described Access Control unit, it is further used for when the described subscriber equipment handling capacity in cell-of-origin is less than or equal to the guarantee bit rate in the QoS parameter of described RAB or Maximum Bit Rate, described target network side implements Access Control according to the described subscriber equipment handling capacity in cell-of-origin, for described user equipment allocation or reserved resource；Or,
When the subscriber equipment handling capacity in cell-of-origin more than RAB QoS parameter in guarantee bit rate time, described target network side implements Access Control according to the QoS parameter of described RAB, in the case of resource allows, it is described user equipment allocation or reserved resource with the described subscriber equipment handling capacity in cell-of-origin；Or,
When in hand off signaling, the QoS parameter of RAB does not include ensureing bit rate and during Maximum Bit Rate, described target network side implements Access Control, for described user equipment allocation or reserved resource according to the described subscriber equipment handling capacity in cell-of-origin；Or,
When the Target cell comprised in hand off signaling can not meet the described subscriber equipment handling capacity in cell-of-origin, described target network side is that described subscriber equipment selects to meet the described subscriber equipment Target cell in the throughput demand of cell-of-origin；Or,
When the described subscriber equipment handling capacity in cell-of-origin more than described RAB QoS parameter in guarantee bit rate time, during the described Access Control of described enforcement it is described user equipment allocation or reserved resource specifically includes: described target network side implements Access Control, for described user equipment allocation or reserved resource according to the described subscriber equipment handling capacity in cell-of-origin.
The lateral target network side of source network of the present invention sends hand off signaling；Hand off signaling includes the subscriber equipment handling capacity in cell-of-origin；After target network side receives hand off signaling, implement Access Control according to the QoS parameter of the subscriber equipment handling capacity in cell-of-origin or RAB.
Use the present invention, in view of the handling capacity that subscriber equipment is actual in cell-of-origin, owing to the QoS parameter according to the described subscriber equipment handling capacity in cell-of-origin or RAB implements Access Control, therefore, Access Control can be carried out according to the practical business demand of UE, thus not interfere with the experience of user.
Accompanying drawing explanation
Fig. 1 is the UE switching flow schematic diagram of LTE system in prior art；
Fig. 2 is the schematic diagram of the embodiment of the present invention one switching flow；
Fig. 3 is the schematic diagram of the embodiment of the present invention two switching flow；
Fig. 4 is the schematic diagram of the embodiment of the present invention three switching flow.
Detailed description of the invention
The basic thought of the present invention is: the lateral target network side of source network sends hand off signaling；Hand off signaling includes the subscriber equipment handling capacity in cell-of-origin；After target network side receives hand off signaling, implement Access Control according to the QoS parameter of the subscriber equipment handling capacity in cell-of-origin or RAB.
Enforcement to technical scheme is described in further detail below in conjunction with the accompanying drawings.
The solution of the present invention, it is contemplated that the handling capacity that UE is actual in cell-of-origin, accordingly, it is capable to carry out Access Control according to the practical business demand of UE, thus does not interferes with the experience of user.Access Control can be carried out, then be that UE carries out resource distribution, the most more reasonability when Access Control, the most more meet user time business demand, so that Consumer's Experience is greatly improved according to the practical business demand of UE.
A kind of connection control method when switching, the method mainly includes herein below:
In the hand off signaling that the lateral target network side of source network sends, comprise the UE handling capacity in cell-of-origin, after target network side receives described hand off signaling, implement Access Control according to the qos parameter of the UE handling capacity in cell-of-origin or E-RAB.Here the UE handling capacity in cell-of-origin refers to the handling capacity that UE is actual in cell-of-origin, does not repeats.
Further, when implementing described Access Control according to the qos parameter of the UE handling capacity in cell-of-origin or E-RAB, for described UE distribution or reserve resource.
Further, described UE includes in the handling capacity of cell-of-origin: handling capacity that UE is up in cell-of-origin and/or the UE handling capacity descending in cell-of-origin.
Further, up in cell-of-origin for described UE handling capacity includes: total packet size that reception UE sends sends the business of the time span of packet or receives the average data containing amount of UE transmission in a period of time divided by reception UE.
Further, descending in cell-of-origin for described UE handling capacity includes: to UE send total packet size divided by UE send packet time span business or in a period of time to UE send average data containing amount.
Further, described a period of time configures by agreement default configuration or by source network side.
Further, when implementing Access Control according to the qos parameter of the UE handling capacity in cell-of-origin or E-RAB, for UE distribution or reserve resource and include following several situation:
Situation one: when the UE handling capacity in cell-of-origin is less than or equal to the guarantee bit rate in the qos parameter of E-RAB or Maximum Bit Rate, the described target network side foundation UE handling capacity in cell-of-origin implements Access Control, is that described UE distributes or reserves resource according to the UE handling capacity in cell-of-origin.
Situation two: when the UE handling capacity in cell-of-origin is more than the guarantee bit rate in the qos parameter of E-RAB, described target network side implements Access Control according to the qos parameter of E-RAB, in the case of resource allows, it is that described UE distributes or reserves resource with the described UE handling capacity in cell-of-origin.
Situation three: when the qos parameter of E-RAB does not include ensureing bit rate and Maximum Bit Rate in hand off signaling, the described target network side foundation UE handling capacity in cell-of-origin is implemented Access Control, is distributed for described UE or reserve resource.
Situation four: when the Target cell comprised in hand off signaling can not meet the UE handling capacity in cell-of-origin, described target network side is that described UE selects to meet the described UE Target cell in the throughput demand of cell-of-origin.
Situation five: when the UE handling capacity in cell-of-origin is more than the guarantee bit rate in the qos parameter of E-RAB, the described target network side foundation UE handling capacity in cell-of-origin implements Access Control, is that described UE distributes or reserves resource according to the UE handling capacity in cell-of-origin.
Further, for described source network side, source base station is referred at source network side described in LTE system；The most described source network side refers to source radio network controller.
Further, for described target network side, refer to target BS in target network side described in LTE system；The most described target network side refers to target radio network controller.
Further, for described hand off signaling, refer to handover request or switching demand at hand off signaling described in LTE system；The most described hand off signaling refers to re-positioning request or reorientation demand.
Further, the method also includes: the lateral described source network side of described objective network returns switching command or reorientation order, and the lateral described UE of source network sends switching command, triggers UE and is switched to Target cell.
Shown in sum up, using the present invention, target network side can implement Access Control according to business demand actual for UE, is UE Resources allocation when implementing Access Control, thus avoids UE to occur the scene that handling capacity changes the most afterwards, enhances the experience of user.
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, the present invention is carried out citing and illustrate.It should be noted that in the case of not conflicting, the embodiment in the present invention and the feature in embodiment can be mutually combined.
Embodiment one:
In LTE system, between base station 1 and base station 2, there is X2 interface, jurisdiction district, base station 1 (Cell1 and Cell2) and jurisdiction district, base station 2 (Cell3 and Cell4) neighboring BS relationship each other.Base station 1 and base station 2 are arbitrary two base stations in LTE system.
UE is in connection status in Cell1 (Serving cell or cell-of-origin), the RAB E-RAB that UE sets up is GBR traffic, its up-downgoing ensure that bit rate is 500kbps (kilobits/second), the maximum bit rate of its up-downgoing is 800kbps.
The measurement configuration that UE sends according to base station 1 at Cell1 is implemented to measure, and reports the measurement object meeting report condition.Sometime, UE report to base station 1 signal quality of neighbor cell (Cell3 and Cell4) than the signal quality of Serving cell (Cell1) high predetermined side-play amount, after base station 1 receives measurement report, making handover decisions, the Target cell of switching is Cell3.Handover decisions is implemented in base station 1 to be needed to consider the signal quality of multiple factor such as Serving cell, the signal quality of Target cell, the load etc. of Target cell, and this belongs to prior art, is not described in detail herein.In the present embodiment, base station 1 is source base station, and base station 2 is target BS, and the idiographic flow of switching is as in figure 2 it is shown, comprise the following steps:
Step 201, source base station sends handover request signaling to target BS.
Here, in this handover request signaling, comprise the mark of Target cell, the mark of E-RAB, qos parameter and the configuration information etc. in cell-of-origin of UE foundation.In order to realize the present invention, handover request signaling is also carried the UE handling capacity in cell-of-origin.Here, the UE handling capacity in cell-of-origin is referred to as the UE flow in cell-of-origin, and the present invention is not limited to specific name herein, as long as the relevant title that can realize said function of the present invention is all within the scope of the present invention, does not repeats.
Here, source base station is after UE sets up E-RAB, need to detect the handling capacity of UE always, handling capacity size can represent to the capacity of UE transmission (descending) or the packet receiving UE transmission (up) within the unit interval, for descending, the time span of concrete total packet size (or size)/send to the UE packet that can be expressed as sending to UE, unit is bps；For up, the concrete time span that can be expressed as receiving total packet size/receptions UE transmission packet that UE sends, unit is bps.After source base station detection obtains the up and/or downlink throughput capacity of UE, handover request comprises this parameter, need the up and/or descending handling capacity that newly-increased cell represents UE.In the present embodiment, the handling capacity of UE up-downgoing is respectively 600kbps and 700kbps.Wherein, the up and/or downlink throughput capacity of described UE refers to three kinds of situations, is respectively as follows: the uplink throughput of UE；The downlink throughput capacity of UE；The uplink throughput of UE and the downlink throughput capacity of UE.
Step 202, after target BS receives handover request signaling, implements Access Control according to the UE handling capacity in cell-of-origin, is this UE Resources allocation with the UE handling capacity in cell-of-origin.
Here, qos parameter and the handling capacity of UE up-downgoing of E-RAB is set up owing to handover request signaling comprising UE, and the handling capacity of UE uplink and downlink is respectively greater than the guarantee bit rate of its up-downgoing, the target BS foundation UE handling capacity in cell-of-origin implements Access Control, is UE Resources allocation or reserved resource (including Radio Resource, hardware resource and S1 interface transport layer bandwidth resources) according to UE in the handling capacity of cell-of-origin uplink and downlink.In the present embodiment, the resource of target BS free time enough ensures the handling capacity (up 600kbps, descending 700kbps) of UE uplink and downlink, and therefore Access Control is successful.
Step 203, target BS sends Handover Request Acknowledge signaling to source base station, and this Handover Request Acknowledge signaling comprises the resource information that target BS is UE distribution.
Step 204, after source base station receives Handover Request Acknowledge signaling, sends switching command to UE.
Here, source base station connects to reconfigure by RRC and carries mobile control information and send switching command to UE.
Step 205, UE receives switching command, obtains synchronization with Target cell, initiates Stochastic accessing at Target cell, sends switching to target BS and completes signaling.
Here, target BS receives after the switching that UE sends completes signaling, will trigger core net and complete the switching in network side path, in order to this UE can continue to commence business.
In the present embodiment, target BS carries out resource distribution according to UE in the handling capacity of the up-downgoing of cell-of-origin, this is primarily due to the business that UE carries out and has dependency within a period of time, there is the biggest dependency (handling capacity is close) in the handling capacity before i.e. UE switching and the handling capacity after switching, therefore target BS is UE Resources allocation according to the handling capacity that UE is actual, ensure that UE, not because the impact of switching causes business throughput to reduce, enhances the experience of user.The present embodiment also has another way of realization, in step 202., after target BS receives handover request signaling, implements Access Control according to the QoS parameter of the set up E-RAB of UE, is this UE Resources allocation with the UE handling capacity in cell-of-origin；Other steps are identical with the present embodiment.
The present embodiment is applied to LTE system, and for WCDMA system, the method for the invention is equally applicable.In a wcdma system, source radio network controller (SRNC) the detection UE handling capacity in cell-of-origin at UE place, during UE switching, SRNC comprises the UE handling capacity in cell-of-origin by Iur interface in the enhancings re-positioning request that target radio network controller (TRNC) sends, RAB QoS and UE that TRNC sets up according to UE handling capacity enforcement Access Control, Resources allocation in cell-of-origin.
Embodiment two:
In LTE system, between base station 1 and base station 2, there is not X2 interface, jurisdiction district, base station 1 (Cell1 and Cell2) and jurisdiction district, base station 2 (Cell3 and Cell4) neighboring BS relationship each other.Base station 1 and base station 2 are arbitrary two base stations in LTE system, and the two base station all keeps being connected with core net.
UE is in connection status in Cell1 (Serving cell or cell-of-origin), and the RAB E-RAB that UE sets up is non-GBR traffic.
The measurement configuration that UE sends according to base station 1 at Cell1 is implemented to measure, and reports the measurement object meeting report condition.Sometime, UE report to base station 1 signal quality of neighbor cell (Cell3 and Cell4) than the signal quality of Serving cell (Cell1) high predetermined side-play amount, after base station 1 receives measurement report, making handover decisions, the Target cell of switching is Cell3.In the present embodiment, base station 1 is source base station, and base station 2 is target BS, and the idiographic flow of switching is as it is shown on figure 3, comprise the following steps:
Step 301, source base station sends switching demand signaling to core net.
Here, this switching demand signaling comprises the mark of Target cell, the configuration information etc. in cell-of-origin.In order to realize the present invention, switching demand signaling also carries the UE handling capacity in cell-of-origin.
Here, source base station is after UE sets up E-RAB, need to detect the handling capacity of UE always, handling capacity size can represent to the capacity of UE transmission (descending) or the packet receiving UE transmission (up) within the unit interval, for descending, the time span of concrete total packet size/send to the UE packet that can be expressed as sending to UE, unit is bps；For up, the concrete time span that can be expressed as receiving total packet size/receptions UE transmission packet that UE sends, unit is bps.After source base station detection obtains the up and/or downlink throughput capacity of UE, in switching demand signaling, comprise this parameter, need the up and/or descending handling capacity that newly-increased cell represents UE.In the present embodiment, the handling capacity of UE up-downgoing is respectively 300kbps and 500kbps.
Step 302, after core net receives switching demand signaling, sends handover request signaling to target BS.
The mark of Target cell, the mark of E-RAB, qos parameter and the configuration information etc. in cell-of-origin of UE foundation is comprised in this handover request signaling.Handover request signaling is also carried the UE handling capacity in cell-of-origin.Core net has the mark of the E-RAB that UE sets up and corresponding qos parameter, will comprise this partial parameters in handover request signaling.
Step 303, after target BS receives handover request, implements Access Control, for this UE Resources allocation according to the UE handling capacity in cell-of-origin.
Here, the E-RAB set up due to UE is non-GBR traffic, target BS only cannot definitely be known as the size (or size of reserved resource) of this UE Resources allocation with qos parameter, in view of handover request comprises the UE handling capacity in cell-of-origin, target BS implements Access Control according to qos parameter and UE in the handling capacity of cell-of-origin up-downgoing, and is UE Resources allocation or reserved resource (including Radio Resource, hardware resource and S1 interface transport layer bandwidth resources).In the present embodiment, the resource of target BS free time enough ensures the handling capacity (up 300kbps, descending 500kbps) of UE up-downgoing, and therefore Access Control is successful.Particularly, if Target cell is the community (community being made up of multiple component carriers) of carrier aggregation (carrieraggregation), target BS foundation UE is that UE Resources allocation includes selecting carrier wave or the number of distributing carrier wave in the handling capacity of cell-of-origin up-downgoing.
Step 304, target BS sends Handover Request Acknowledge signaling to core net, and this Handover Request Acknowledge signaling comprises the resource information that target BS is UE distribution.
Step 305, core net sends switching command to source base station.
Step 306, after source base station receives the switching command that core net is sent, sends switching command to UE.
Here, source base station connects to reconfigure by RRC and carries mobile control information and send switching command to UE.
Step 307, UE receives switching command, obtains synchronization with Target cell, initiates Stochastic accessing at Target cell, sends switching to target BS and completes signaling.
Here, target BS receives after the switching that UE sends completes signaling, will notify that this UE of core net has been switched to target BS.
The present embodiment is applied to LTE system, and for WCDMA system, the method for the invention is equally applicable.In a wcdma system, if there is not Iur interface between SRNC and TRNC, during UE switching, the re-positioning request that SRNC is sent to TRNC by core net, this request is carried the UE handling capacity in cell-of-origin.RAB QoS and UE that TRNC sets up according to the UE handling capacity in cell-of-origin implements Access Control, Resources allocation.
In the present embodiment, UE only establishes an E-RAB, if UE establishes multiple E-RAB, source base station detects the up-downgoing handling capacity of these multiple E-RAB, when switching, by hand off signaling, the up-downgoing handling capacity of these the multiple E-RAB detected being sent to target BS, target BS carries out Access Control, Resources allocation according to the qos parameter of E-RAB and the up-downgoing handling capacity of UE.Particularly, if multiple E-RAB that UE sets up existing identical QoS classification logotype QCI or distribution and retaining priority ARP, base station calculates total handling capacity of the E-RAB with identical QCI or ARP, comprising described total handling capacity in hand off signaling, target BS is for having the E-RAB unified implementation Access Control of identical QCI or ARP, resource distribution.The most up, descending total handling capacity calculates respectively, and target BS is implemented to need to meet up, descending total handling capacity respectively during Access Control.
Embodiment three:
In LTE system, between base station 1 and base station 2, there is X2 interface, jurisdiction district, base station 1 (Cell1 and Cell2) and jurisdiction district, base station 2 (Cell3, Cell4 and Cell5) neighboring BS relationship each other.Base station 1 and base station 2 are arbitrary two base stations in LTE system.
UE is in connection status in Cell1 (Serving cell or cell-of-origin), the RAB E-RAB that UE sets up is GBR traffic, its up-downgoing ensure that bit rate is 500kbps (kilobits/second), the maximum bit rate of its up-downgoing is 900kbps.
The measurement configuration that UE sends according to base station 1 at Cell1 is implemented to measure, and reports the measurement object meeting report condition.Sometime, UE report to base station 1 signal quality of neighbor cell (Cell3, Cell4 and Cell5) than the signal quality of Serving cell (Cell1) high predetermined side-play amount, after base station 1 receives measurement report, making handover decisions, the Target cell of switching is Cell3.Due to UE, to record the signal quality of Cell4 and Cell5 the most fine, source base station carries the UE reconstruction information (ReestablishmentInfo) at Cell4 and Cell5 in hand off signaling, and this reconstruction information includes the UE Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI (CellRadioNetworkTemporaryIdentifier) in cell-of-origin, the Physical Cell Identifier of cell-of-origin, the Target cell mark of overall importance of potential rebuilding, the UE encryption key KeNB at the Target cell of potential rebuilding*And truncate message integrity authentication code (shortMAC-I).In the present embodiment, base station 1 is source base station, and base station 2 is target BS, and the idiographic flow of switching as shown in Figure 4, comprises the following steps:
Step 401, source base station sends handover request signaling to target BS.
Here, comprise the mark of Target cell in this handover request signaling, the mark of E-RAB, qos parameter, configuration information in cell-of-origin and UE that UE sets up be at the reconstruction information etc. of Cell4 and Cell5.In order to realize the present invention, handover request signaling is also carried the UE handling capacity in cell-of-origin.
Here, source base station is after UE sets up E-RAB, need to detect the handling capacity of UE always, handling capacity size can represent to the capacity of UE transmission (descending) or the packet receiving UE transmission (up) within the unit interval, or sending (descending) or the average data containing amount of reception UE transmission (up) to UE in can being expressed as a period of time, described a period of time can be agreement default configuration or be configured by network side (source base station).In the present embodiment, source base station detection transmission hand off signaling average throughput in first 10 seconds, for descending, the concrete source base station that can be expressed as sends total packet size (or size)/10 second that hand off signaling sends in first 10 seconds to UE, and unit is bps；For up, the concrete source base station that can be expressed as sends hand off signaling and receives total packet size/10 second of UE transmission in first 10 seconds, and unit is bps.After source base station detection obtains the up and/or downlink throughput capacity of UE, handover request comprises this parameter, need the up and/or descending handling capacity that newly-increased cell represents UE.In the present embodiment, the handling capacity of UE up-downgoing is respectively 600kbps and 700kbps.
Step 402, after target BS receives handover request signaling, implements Access Control, for this UE Resources allocation according to the UE handling capacity in cell-of-origin.
Here, qos parameter and the handling capacity of UE up-downgoing of E-RAB is set up owing to handover request signaling comprising UE, and the handling capacity of UE up-downgoing is more than the guarantee bit rate of its up-downgoing, target BS finds that Cell3 disclosure satisfy that UE sets up the qos parameter demand of E-RAB, but the resource of Cell3 can not meet the UE demand in the handling capacity of cell-of-origin up-downgoing, target BS finds that the resource of Cell4 disclosure satisfy that the UE demand in the handling capacity of cell-of-origin up-downgoing simultaneously, therefore target BS resets the Target cell of switching, selection Cell4 is Target cell, and Resources allocation.It should be noted that in step 401, handover request comprises the UE reconstruction information at Cell4 and Cell5, and therefore target BS thinks that Cell4 and Cell5 can become the Target cell of UE switching, simultaneously because comprise encryption key KeNB in reconstruction information*, therefore target BS can revise Target cell (being revised as Cell4 from Cell3).
Step 403, target BS sends Handover Request Acknowledge signaling to source base station, and this Handover Request Acknowledge signaling comprises the resource information that target BS is UE distribution.
Step 404, after source base station receives Handover Request Acknowledge signaling, sends switching command to UE.
Here, source base station connects to reconfigure by RRC and carries mobile control information and send switching command to UE.
Step 405, UE receives switching command, obtains synchronization with Target cell, initiates Stochastic accessing at Target cell, sends switching to target BS and completes signaling.
Here, target BS receives after the switching that UE sends completes signaling, will trigger core net and complete the switching in network side path, in order to this UE can continue to commence business.
In the present embodiment, target BS is the community that this UE is selected to meet described handling capacity according to the UE handling capacity in cell-of-origin, it is to avoid the phenomenon that after UE switching, handling capacity reduces, and enhances Consumer's Experience.
Embodiment four:
In LTE system, between base station 1 and base station 2, there is X2 interface, jurisdiction district, base station 1 (Cell1 and Cell2) and jurisdiction district, base station 2 (Cell3 and Cell4) neighboring BS relationship each other.Base station 1 and base station 2 are arbitrary two base stations in LTE system.
UE is in connection status in Cell1 (Serving cell or cell-of-origin), the RAB E-RAB that UE sets up is GBR traffic, its up-downgoing ensure that bit rate is 500kbps (kilobits/second), the maximum bit rate of its up-downgoing is 800kbps.
The measurement configuration that UE sends according to base station 1 at Cell1 is implemented to measure, and reports the measurement object meeting report condition.Sometime, UE report to base station 1 signal quality of neighbor cell (Cell3 and Cell4) than the signal quality of Serving cell (Cell1) high predetermined side-play amount, after base station 1 receives measurement report, making handover decisions, the Target cell of switching is Cell3.In the present embodiment, base station 1 is source base station, and base station 2 is target BS, and the idiographic flow of switching is similar with flow chart shown in Fig. 2, comprises the following steps:
Step 501, source base station sends handover request signaling to target BS.
Here, in this handover request signaling, comprise the mark of Target cell, the mark of E-RAB, qos parameter and the configuration information etc. in cell-of-origin of UE foundation.In order to realize the present invention, handover request signaling is also carried the UE handling capacity in cell-of-origin.
Here, source base station is after UE sets up E-RAB, need to detect the handling capacity of UE always, handling capacity size can represent to the capacity of UE transmission (descending) or the packet receiving UE transmission (up) within the unit interval, for descending, the time span of concrete total packet size (or size)/send to the UE packet that can be expressed as sending to UE, unit is bps；For up, the concrete time span that can be expressed as receiving total packet size/receptions UE transmission packet that UE sends, unit is bps.After source base station detection obtains the up and/or downlink throughput capacity of UE, handover request comprises this parameter, need the up and/or descending handling capacity that newly-increased cell represents UE.In the present embodiment, handling capacity actual for UE is relatively low, and the handling capacity of up-downgoing is respectively 300kbps and 400kbps.
Step 502, after target BS receives handover request signaling, implements Access Control, for this UE Resources allocation according to the UE handling capacity in cell-of-origin.
Here, qos parameter and the handling capacity of UE up-downgoing of E-RAB is set up owing to handover request signaling comprising UE, and the handling capacity of UE up-downgoing is less than the guarantee bit rate of its up-downgoing, target BS finds that the resource of Cell3 can not meet this UE and set up the QoS demand of E-RAB, but disclosure satisfy that the UE demand in the handling capacity of cell-of-origin up-downgoing, target BS is UE Resources allocation or reserved resource (including Radio Resource, hardware resource and Sl interface transport layer bandwidth resources) according to UE in the handling capacity of cell-of-origin up-downgoing.In the present embodiment, the resource of target BS free time enough ensures the handling capacity (up 300kbps, descending 400kbps) of UE up-downgoing, and therefore Access Control is successful.
Step 503, target BS sends Handover Request Acknowledge signaling to source base station, and this Handover Request Acknowledge signaling comprises the resource information that target BS is UE distribution.
Step 504, after source base station receives Handover Request Acknowledge signaling, sends switching command to UE.
Here, source base station connects to reconfigure by RRC and carries mobile control information and send switching command to UE.
Step 505, UE receives switching command, obtains synchronization with Target cell, initiates Stochastic accessing at Target cell, sends switching to target BS and completes signaling.
Target BS receives after the switching that UE sends completes signaling, will trigger core net and complete the switching in network side path, in order to this UE can continue to commence business.
In the present embodiment, target BS, in the case of resource can not meet the QoS demand of the built E-RAB of UE, is implemented Access Control according to the UE handling capacity in cell-of-origin, is distributed for it or reserve resource, it is to avoid because the handoff failure that inadequate resource causes.If handoff failure, and UE to record the signal quality of cell-of-origin very poor, it is possible to make the disconnecting of UE, have impact on the impression of user.
A kind of access control system when switching, this system includes: Access Control unit, in the case of Access Control unit receives the hand off signaling coming from source network side for target network side, implement Access Control according to the QoS parameter of the subscriber equipment handling capacity in cell-of-origin or RAB；Wherein, subscriber equipment is included in hand off signaling in the handling capacity of cell-of-origin.
Here, subscriber equipment includes in the handling capacity of cell-of-origin: handling capacity that subscriber equipment is up in cell-of-origin and/or the subscriber equipment handling capacity descending in cell-of-origin.
Here, the handling capacity that subscriber equipment is up in cell-of-origin includes: total packet size that reception subscriber equipment sends sends the business of the time span of packet or receives the average data containing amount of subscriber equipment transmission in a period of time divided by reception subscriber equipment.
Here, the handling capacity that subscriber equipment is descending in cell-of-origin includes: to subscriber equipment send total packet size divided by subscriber equipment send packet time span business or in a period of time to subscriber equipment send average data containing amount.
Here, described a period of time configures by agreement default configuration or by source network side.
Here, Access Control unit, when being further used for the QoS parameter described Access Control of enforcement of the foundation subscriber equipment handling capacity in cell-of-origin or RAB, for user equipment allocation or reserved resource.Access Control unit now includes following several implement:
Implement one: Access Control unit, it is further used for when the described subscriber equipment handling capacity in cell-of-origin is less than or equal to the guarantee bit rate in the QoS parameter of described RAB or Maximum Bit Rate, described target network side implements Access Control according to the described subscriber equipment handling capacity in cell-of-origin, for described user equipment allocation or reserved resource.
Implement two: Access Control unit, it is further used for when the subscriber equipment handling capacity in cell-of-origin is more than the guarantee bit rate in the QoS parameter of RAB, described target network side implements Access Control according to the QoS parameter of described RAB, in the case of resource allows, it is described user equipment allocation or reserved resource with the described subscriber equipment handling capacity in cell-of-origin.
Implement three: when the QoS parameter of RAB does not include ensureing bit rate and Maximum Bit Rate in hand off signaling, described target network side implements Access Control according to the described subscriber equipment handling capacity in cell-of-origin, for described user equipment allocation or reserved resource.
Implementing four: when the Target cell comprised in hand off signaling can not meet the described subscriber equipment handling capacity in cell-of-origin, described target network side is that described subscriber equipment selects to meet the described subscriber equipment Target cell in the throughput demand of cell-of-origin.
Implement five: when the subscriber equipment handling capacity in cell-of-origin is more than the guarantee bit rate in the QoS parameter of RAB, target network side implements Access Control according to the subscriber equipment handling capacity in cell-of-origin, with the subscriber equipment handling capacity in cell-of-origin as user equipment allocation or reserved resource.
Here, the Chinese and English related in above word is illustrated: RRC connects to reconfigure and represents with RRCConnectionReconfiguration；Mobile control information represents with mobilityControlInfo；Handover request represents with HandoverRequest；Switching demand represents with HandoverRequired；Handover Request Acknowledge represents with HandoverRequestAcknowledge；Switch and represented with RRCConnectionReconfigurationComplete；Strengthen re-positioning request to represent with EnhancedRelocationRequest；Switching command represents with HandoverCommand.
The above, only presently preferred embodiments of the present invention, it is not intended to limit protection scope of the present invention.
Claims (10)
1. connection control method when switching, it is characterised in that the method includes:
The lateral target network side of source network sends hand off signaling；Described hand off signaling includes the subscriber equipment handling capacity in cell-of-origin；
After target network side receives described hand off signaling, when the guarantee bit rate in the described subscriber equipment handling capacity in the cell-of-origin QoS parameter less than or equal to RAB or Maximum Bit Rate, described target network side implements Access Control according to the described subscriber equipment handling capacity in cell-of-origin, for described user equipment allocation or reserved resource；Or,
When the subscriber equipment handling capacity in cell-of-origin more than RAB QoS parameter in guarantee bit rate time, described target network side implements Access Control according to the QoS parameter of described RAB, in the case of resource allows, it is described user equipment allocation or reserved resource with the described subscriber equipment handling capacity in cell-of-origin；Or,
When in hand off signaling, the QoS parameter of RAB does not include ensureing bit rate and during Maximum Bit Rate, described target network side implements Access Control, for described user equipment allocation or reserved resource according to the described subscriber equipment handling capacity in cell-of-origin；Or,
When the described subscriber equipment handling capacity in cell-of-origin more than RAB QoS parameter in guarantee bit rate time, described target network side implements Access Control according to the described subscriber equipment handling capacity in cell-of-origin, for described user equipment allocation or reserved resource.
Method the most according to claim 1, it is characterised in that the described subscriber equipment handling capacity in cell-of-origin includes: handling capacity that subscriber equipment is up in cell-of-origin and/or the subscriber equipment handling capacity descending in cell-of-origin.
Method the most according to claim 2, it is characterized in that, the described subscriber equipment handling capacity up in cell-of-origin includes: receives total packet size that subscriber equipment sends and sends the business of time span of packet divided by receiving subscriber equipment or receive the average data containing amount that subscriber equipment sends in a period of time.
Method the most according to claim 2, it is characterized in that, the described subscriber equipment handling capacity descending in cell-of-origin includes: the total packet size sent to subscriber equipment is divided by the business of time span sending packet to subscriber equipment or the average data containing amount sent to subscriber equipment in a period of time.
5. according to the method described in claim 3 or 4, it is characterised in that described a period of time configures by agreement default configuration or by described source network side.
6. access control system when switching, it is characterized in that, this system includes: Access Control unit, receive in the case of coming from the hand off signaling of source network side for target network side, determine when the subscriber equipment handling capacity in cell-of-origin is less than or equal to the guarantee bit rate in the QoS parameter of RAB or Maximum Bit Rate, described target network side implements Access Control according to the described subscriber equipment handling capacity in cell-of-origin, for described user equipment allocation or reserved resource；Or,
When the subscriber equipment handling capacity in cell-of-origin more than RAB QoS parameter in guarantee bit rate time, described target network side implements Access Control according to the QoS parameter of described RAB, in the case of resource allows, it is described user equipment allocation or reserved resource with the described subscriber equipment handling capacity in cell-of-origin；Or,
When in hand off signaling, the QoS parameter of RAB does not include ensureing bit rate and during Maximum Bit Rate, described target network side implements Access Control, for described user equipment allocation or reserved resource according to the described subscriber equipment handling capacity in cell-of-origin；Or,
When the described subscriber equipment handling capacity in cell-of-origin more than RAB QoS parameter in guarantee bit rate time, during the described Access Control of described enforcement it is described user equipment allocation or reserved resource specifically includes: described target network side implements Access Control, for described user equipment allocation or reserved resource according to the described subscriber equipment handling capacity in cell-of-origin；Wherein, the described subscriber equipment handling capacity in cell-of-origin is included in described hand off signaling.
System the most according to claim 6, it is characterised in that the described subscriber equipment handling capacity in cell-of-origin includes: handling capacity that subscriber equipment is up in cell-of-origin and/or the subscriber equipment handling capacity descending in cell-of-origin.
System the most according to claim 7, it is characterized in that, the described subscriber equipment handling capacity up in cell-of-origin includes: receives total packet size that subscriber equipment sends and sends the business of time span of packet divided by receiving subscriber equipment or receive the average data containing amount that subscriber equipment sends in a period of time.
System the most according to claim 7, it is characterized in that, the described subscriber equipment handling capacity descending in cell-of-origin includes: the total packet size sent to subscriber equipment is divided by the business of time span sending packet to subscriber equipment or the average data containing amount sent to subscriber equipment in a period of time.
System the most according to claim 8 or claim 9, it is characterised in that described a period of time configures by agreement default configuration or by described source network side.
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| CN201010228171.1A CN102316540B (en) | 2010-07-08 | 2010-07-08 | A kind of connection control method when switching and system |
| PCT/CN2011/076519 WO2012003769A1 (en) | 2010-07-08 | 2011-06-28 | Access control method and system during handover |
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| CN103533342B (en) * | 2013-09-26 | 2017-06-06 | 上海华为技术有限公司 | A kind of mobile video quality determining method and device |
| WO2015100733A1 (en) * | 2014-01-03 | 2015-07-09 | 华为技术有限公司 | User equipment handover method and base station |
| CN103945479A (en) * | 2014-05-13 | 2014-07-23 | 北京邮电大学 | Throughput-based high-speed rail wireless special network cell switching optimal switching point determining method |
| CN104301915B (en) * | 2014-10-27 | 2017-09-19 | 大唐移动通信设备有限公司 | Resource distribution method of adjustment and radio network controller |
| CN106162772A (en) * | 2015-03-26 | 2016-11-23 | 中兴通讯股份有限公司 | A kind of method for dispatching user facility, device and system |
| CN106257955B (en) * | 2015-06-23 | 2021-12-14 | 中兴通讯股份有限公司 | MAC (media Access control) traffic scheduling method, device and base station |
| CN110995773B (en) * | 2016-05-24 | 2021-01-05 | 华为技术有限公司 | QoS control method and device |
| CN107734563B (en) * | 2016-08-12 | 2020-02-07 | 电信科学技术研究院 | Method and device for processing QoS (quality of service) parameters in switching scene |
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| CN108024294B (en) * | 2016-11-02 | 2020-08-07 | 中兴通讯股份有限公司 | Switching method and device |
| CN109257626B (en) * | 2017-07-13 | 2020-11-10 | 大唐移动通信设备有限公司 | Data processing method and device |
| CN109392004B (en) * | 2017-08-11 | 2021-09-21 | 华为技术有限公司 | Communication method, base station, terminal equipment and system |
| CN114339952B (en) * | 2020-09-29 | 2023-07-25 | 紫光展锐(重庆)科技有限公司 | Multimode terminal communication method and communication device |
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