CN102958121A - Cell switching method and device - Google Patents
Cell switching method and device Download PDFInfo
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- CN102958121A CN102958121A CN2012104488481A CN201210448848A CN102958121A CN 102958121 A CN102958121 A CN 102958121A CN 2012104488481 A CN2012104488481 A CN 2012104488481A CN 201210448848 A CN201210448848 A CN 201210448848A CN 102958121 A CN102958121 A CN 102958121A
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Abstract
The invention discloses a cell switching method and device used for switching a time division (TD) network cell to a line termination equipment (LTE) network cell. The cell switching method comprises: determining a connecting request initiated by a user terminal of a universal terrestrial radio access network E-UTRAN supporting evolution to be a data traffic connecting request, and after determining that a service cell in which the user terminal is present has at least one adjacent E-UTRAN cell, determining a target cell from the adjacent E-UTRAN cells of the service cell; and returning target cell related information for indicating the user terminal to redirect the target cell to the user terminal.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of cell switching method and device.
Background technology
In the third generation (3rd-generation, the 3G) mobile communications network, along with the development of data service (PS is professional) and popularizing of intelligent terminal, PS service traffics in the network increase very fast, and occupied most of Radio Resource of network, such as carrier wave, time slot, the resources such as code channel.
Prior art, user terminal (User Equipment, UE) at time-division (Time Division, when TD) the network system usage data is professional, in order to guarantee normally carrying out of mobile communication, network side is according to the traffic carrying capacity situation of change of data service, adjust in real time the Radio Resource of user terminal, for example, when the traffic carrying capacity of data service increases, for user terminal distributes high speed downlink packet access (High Speed Downlink PacketAccess, HSDPA) resource, or high speed uplink packet access (High Speed Uplink Packet Access, HSUPA) resource.When the Internet resources that occupy when user terminal overloaded threshold value, network side was processed usually in the following manner: reduce PS service rate, releasing user terminal or user terminal is switched to other networks, such as the GSM network.
Long Term Evolution (Long Term Evolution, LTE) technical standard is the trend of mobile communication technology development, realizes the interoperability between TD system and the LTE system, to the development important in inhibiting of Mobile Communications Market.
Along with the gradually commercialization of LTE system, the TD network need to consider that the LTE network shunts the PS business.Present TD network is not also considered the strategy with LTE network shunting PS business.
Summary of the invention
The embodiment of the invention provides a kind of cell switching method and device, in order to the user that realizes the TD network cell switching to the LTE network, to solve the problem of PS service distributing.
A kind of redirecting cell method that the embodiment of the invention provides comprises:
The connection request that the user terminal of the universal land radio access web E-UTRAN of definite support evolution is initiated is the data service connection request, and after determining that there is at least one adjacent E-UTRAN residential quarter in the residing Serving cell of described user terminal, from the E-UTRAN residential quarter adjacent with described Serving cell, determine a Target cell;
Return to described user terminal and to be used to indicate the Target cell relevant information that this user terminal is redirected to described Target cell.
A kind of cell switching method that the embodiment of the invention provides comprises:
Determine in the current area to support the upstream rate of data service of user terminal of E-UTRAN and/or downstream rate greater than the 3rd threshold value, and after determining that there is adjacent E-UTRAN residential quarter in the residing Serving cell of described user terminal, from the E-UTRAN residential quarter adjacent with described Serving cell, determine a Target cell;
Return to described user terminal and to be used to indicate the Target cell relevant information that this user terminal switches to described Target cell.
A kind of redirecting cell device that the embodiment of the invention provides comprises:
The first determining unit, the connection request of initiating for the user terminal of the universal land radio access web E-UTRAN that determines support evolution is the data service connection request, and determines that there is at least one adjacent E-UTRAN residential quarter in the residing Serving cell of described user terminal;
The second determining unit is used for definite Target cell from the E-UTRAN residential quarter adjacent with described Serving cell;
Be redirected the unit, be used to indicate the Target cell relevant information that this user terminal is redirected to described Target cell for returning to described user terminal.
A kind of residential quarter switching device shifter that the embodiment of the invention provides comprises:
The first determining unit be used for to be determined that current area supports the upstream rate of data service of user terminal of E-UTRAN and/or downstream rate greater than the 3rd threshold value, and is determined that there is adjacent E-UTRAN residential quarter in the residing Serving cell of described user terminal;
The second determining unit is used for definite Target cell from the E-UTRAN residential quarter adjacent with described Serving cell;
Switch unit is used to indicate the Target cell relevant information that this user terminal switches to described Target cell for returning to described user terminal.
When the embodiment of the invention is set up in data service, after service request that determine to support the user terminal of E-UTRAN to initiate is the data service request, the user terminal of this support E-UTRAN is switched to adjacent E-UTRAN residential quarter.Perhaps after data service is set up, determine to support the upstream rate of user terminal of E-UTRAN and/or downstream rate greater than the 3rd threshold value after, the user terminal of this support E-UTRAN is switched to adjacent E-UTRAN residential quarter.Realize the PS service distributing from the TD network to the LTE network, alleviated the load of TD network, rationally utilized the resource of LTE network.
Description of drawings
Fig. 1 is existing radio reception device schematic diagram;
A kind of redirecting cell method overall flow schematic diagram that Fig. 2 provides for the embodiment of the invention;
A kind of cell switching method overall flow schematic diagram that Fig. 3 provides for the embodiment of the invention;
A kind of redirecting cell method simple structure schematic diagram that Fig. 4 provides for the embodiment of the invention;
A kind of redirecting cell method idiographic flow schematic diagram that Fig. 5 provides for the embodiment of the invention;
A kind of cell switching method simple structure schematic diagram that Fig. 6 provides for the embodiment of the invention;
A kind of cell switching method idiographic flow schematic diagram that Fig. 7 provides for the embodiment of the invention;
The another kind of cell switching method simple structure schematic diagram that Fig. 8 provides for the embodiment of the invention;
The another kind of cell switching method idiographic flow schematic diagram that Fig. 9 provides for the embodiment of the invention;
A kind of redirecting cell apparatus structure schematic diagram that Figure 10 provides for the embodiment of the invention;
A kind of redirecting cell apparatus structure schematic diagram that Figure 11 provides for the embodiment of the invention;
A kind of residential quarter switching device shifter structural representation that Figure 12 provides for the embodiment of the invention;
A kind of residential quarter switching device shifter structural representation that Figure 13 provides for the embodiment of the invention.
Embodiment
The embodiment of the invention provides a kind of cell switching method and device, in order to realize that user terminal is switched to the LTE network cell from the TD residential quarter.
Below in conjunction with accompanying drawing the technical scheme that the embodiment of the invention provides is described.
Referring to Fig. 1, in the 3G mobile communication system, the Radio Resource (such as upstream data and downlink data) of the user terminal 2 of a plurality of residential quarters of wireless access (Access Point, AP) equipment 1 control, set up service connection with the core net (Center Net, CN) of network side.Rm-cell 11 in the radio reception device 1 is connected with user terminal by the Uu interface and is connected, be responsible for the Radio Resource in the control residential quarter, Radio Resource in the residential quarter is managed, for example: be user terminal 2 Resources allocation in the residential quarter, perhaps the result of informing user terminal 2 resources distribution.Wireless transmit/receive units 12 receives the data of rm-cells 11, and data retransmission to user terminal 2, is perhaps received data retransmission from user terminal 2 to Radio Resource pipe unit 11.Rm-cell 11 is by Iu interface and core net 3(CN) communicate.
The residential quarter at described user terminal place belongs to Serving cell.
In 3-G (Generation Three mobile communication system), rm-cell can be radio network controller (RadioNetwork Control, RNC).LTE is also referred to as the universal land radio access web (EvolvedUniversal Terrestrial Radio Access Network, E-UTRAN) of evolution.
The embodiment of the invention is by when user terminal is set up data service or after setting up data service, according to the ability information of the E-UTRAN of user terminal, the user terminal of TD network is redirected (when data service is set up) or switches (data service set up after) to the LTE network.
Referring to Fig. 2, to set up in the process in data service, a kind of redirecting cell method that the embodiment of the invention provides comprises:
S101, RNC determine that the connection request that the user terminal of the universal land radio access web E-UTRAN of support evolution is initiated is the data service connection request, and after determining that there is at least one adjacent E-UTRAN residential quarter in the residing Serving cell of described user terminal, from the E-UTRAN residential quarter adjacent with described Serving cell, determine a Target cell;
S102, RNC return to described user terminal and are used to indicate the Target cell relevant information that this user terminal is redirected to described Target cell.
Above-described embodiment RNC is in the process of accessing user terminal to network, access request type based on user terminal, user terminal is switched to adjacent E-UTRAN residential quarter from current service cell, realized the PS service distributing of TD network to the LTE network, reduce the number of users of access TD network, reduce the TD network load, effectively utilize the LTE Internet resources.
Preferably, the connection request that RNC initiates at the user terminal of the universal land radio access web E-UTRAN that determines support evolution is the data service connection request, and determine that the residing Serving cell of described user terminal exists before at least one adjacent E-UTRAN residential quarter, also comprise:
Determine that whether the load of current network is greater than the first threshold value, if, the connection request that the user terminal of the universal land radio access web E-UTRAN of definite support evolution is initiated is the data service connection request, and determines that there is at least one adjacent E-UTRAN residential quarter in the residing Serving cell of described user terminal.
Particularly, when the load of TD network during greater than the first threshold value, illustrate that the load of TD network is heavier.
Access request type and current network load based on user terminal, load at the TD networking when heavier, the TD network user terminals is switched to the E-UTRAN residential quarter adjacent with Serving cell, when the TD network load is lighter, need not switching cell, avoided when the TD network load is lighter, carried out the unnecessary expense that the switching of network causes.
Preferably, before whether the load of determining current network is greater than the first threshold value, also comprise:
RNC receives call request or the cell update request from least one user terminal, wherein, carries the ability information of whether supporting E-UTRAN for this user terminal of sign in described call request or the cell update request.Be that described ability information characterizes this user terminal support E-UTRAN or do not support E-UTRAN.
Need to prove, the E-UTRAN residential quarter that RNC determines from the E-UTRAN residential quarter adjacent with Serving cell can be any one E-UTRAN residential quarter as the redirection target residential quarter, also can be the E-UTRAN residential quarter of satisfying certain condition.
Preferably, RNC determines that from the E-UTRAN residential quarter adjacent with Serving cell an E-UTRAN residential quarter is as the redirection target residential quarter, be specially: from the E-UTRAN residential quarter adjacent with described Serving cell, determine the overlapping E-UTRAN residential quarter of a network's coverage area and the network's coverage area of Serving cell as the redirection target residential quarter, or from the E-UTRAN residential quarter adjacent with described Serving cell a definite pilot measurement value greater than the E-UTRAN residential quarter of the second threshold value as the redirection target residential quarter.
Can so that the user terminal of TD network can switch to better residential quarter in the adjacent E-UTRAN residential quarter, guarantee the speed of the normal and communication of communication like this.
Need to prove, before the load of determining the TD network is greater than the first threshold value, also comprise:
RNC is the network load situation in the Real-Time Monitoring Serving cell also.
A definite pilot measurement value, also comprises as before the redirection target residential quarter greater than the E-UTRAN residential quarter of the second threshold value from the E-UTRAN residential quarter adjacent with described Serving cell:
RNC sends measuring control information to user terminal, requires the UE measurement to report the pilot measurement result of the E-UTRAN residential quarter adjacent with Serving cell, receives in real time the pilot measurement result of the E-UTRAN residential quarter adjacent with Serving cell that UE reports.
Referring to Fig. 3, after data service was set up, a kind of cell switching method that the embodiment of the invention provides comprised:
S201, the upstream rate of determining the data service of the user terminal of support E-UTRAN in the current area and/or downstream rate are greater than the 3rd threshold value, and after determining that there is adjacent E-UTRAN residential quarter in the residing Serving cell of described user terminal, from the E-UTRAN residential quarter adjacent with described Serving cell, determine a Target cell;
S202, return to described user terminal and to be used to indicate the Target cell relevant information that this user terminal switches to described Target cell.
Cell switching method shown in Figure 3, RNC is after the professional foundation of user terminal data, speed (such as upstream rate or downstream rate) based at least one direction of user terminal, when the super certain threshold value of speed of at least one direction of user terminal, user terminal is switched to adjacent E-UTRAN residential quarter from current service cell, realized the PS service distributing of TD network to the LTE network, reduce the number of users of access TD network, reduce the TD network load, effectively utilize the LTE Internet resources.
Preferably, determine in the current area to support the upstream rate of data service of user terminal of E-UTRAN and/or downstream rate greater than the 3rd threshold value, and determine that the residing Serving cell of described user terminal exists before the adjacent E-UTRAN residential quarter, also comprise:
Determine that whether the load of current network is greater than the first threshold value, if, determine in the current area to support the upstream rate of data service of user terminal of E-UTRAN and/or downstream rate greater than the 3rd threshold value, and determine that there is adjacent E-UTRAN residential quarter in the residing Serving cell of described user terminal.
Above-mentioned by considering simultaneously network load and upstream rate or the downstream rate of user data service, determine to load at the TD networking when heavier, and upstream rate or downstream rate are when surpassing certain threshold value, user terminal is switched to adjacent E-UTRAN residential quarter from current service cell, realized the PS service distributing of TD network to the LTE network, reduce the number of users of access TD network, reduce the TD network load, effectively utilize the LTE Internet resources.When the TD network load is lighter, need not switching cell, avoided when the TD network load is lighter, carry out the unnecessary expense that the switching of network causes.
Preferably, before whether the load of determining current network is greater than the first threshold value, also comprise:
Reception wherein, is carried in described call request or the cell update request for the ability information that characterizes this user terminal support E-UTRAN from call request or the cell update request of at least one user terminal.
Preferably, determine that from the E-UTRAN residential quarter adjacent with Serving cell an E-UTRAN residential quarter as to be switched Target cell, is specially:
From the E-UTRAN residential quarter adjacent with Serving cell, determine the overlapping E-UTRAN residential quarter of a network's coverage area and the network's coverage area of Serving cell as to be switched Target cell, or from the E-UTRAN residential quarter adjacent with Serving cell a definite pilot measurement value greater than the E-UTRAN residential quarter of the second threshold value as to be switched Target cell.
Need to prove, before cell switching method shown in Figure 3, this comprises:
The data service rate of the user terminal of the current access network of RNC Real-Time Monitoring Serving cell, such as upstream rate or downstream rate, or monitor simultaneously upstream rate and downstream rate, so that RNC determines whether to switch user terminal place network according to user terminal upstream rate and/or downstream rate.
Before the load of determining the TD network is greater than the first threshold value, also comprise:
RNC is the load condition in the Real-Time Monitoring Serving cell also.
A definite pilot measurement value, also comprises as before the redirection target residential quarter greater than the E-UTRAN residential quarter of the second threshold value from a plurality of E-UTRAN residential quarter:
RNC sends measuring control information to user terminal, requires the UE measurement to report the pilot measurement result of the E-UTRAN residential quarter adjacent with Serving cell, receives in real time the pilot measurement result of the E-UTRAN residential quarter adjacent with Serving cell that UE reports.
The ability information of the E-UTRAN that embodiment RNC shown in Figure 3 user terminal by access TD network provides in conjunction with upstream rate and/or the downstream rate of user terminal current data business, determines that an E-UTRAN residential quarter is as to be switched Target cell.Upstream rate and/or the higher user terminal of downstream rate are switched to the E-UTRAN residential quarter of LTE network.
Below by specific embodiment explanation technique scheme.The present invention switches to the LTE network as the example explanation take the user terminal with the TD network.
Embodiment one:
UE arrives the E-UTRAN residential quarter with redirecting cell in setting up the data service process.
, for providing a kind of redirecting cell method, the embodiment of the invention simply may further comprise the steps referring to Fig. 4:
1, UE initiates the RRC connection request to RNC, carries the ability information of supporting E-UTRAN in this request.
2, RNC determines that according to the E-UTRAN connection request connection request is the data service connection request, and user terminal is supported E-UTRAN; Then according to TD network load situation, determine UE is redirected to the E-UTRAN residential quarter.
3, RNC returns to UE by the RRC connection refused message with the E-UTRAN residential quarter relevant information that is redirected to the E-UTRAN residential quarter.
4, UE initiates the data service request in the E-UTRAN residential quarter, realizes alternately communicating by letter with RNC and CN.
The below specifies redirecting cell method shown in Figure 4.
Referring to Fig. 5, the embodiment of the invention provides a kind of redirecting cell method, specifically may further comprise the steps:
S11, RNC receive the data service connection request that TD network UE initiates, and this connection request can be RRC connection request (RRC Connection Request) or cell update request.Determine to carry the ability information of supporting E-UTRAN in this connection request according to described connection request, and the type of definite connection request is that type of service is the data service connection request.
Whether S12, RNC judge the load of TD network greater than the first threshold value, if so, and execution in step S13, otherwise process ends.
Particularly, carrier wave, time slot in the RNC Real-Time Monitoring TD Serving cell, and code channel etc., according to the carrier wave in the TD Serving cell, time slot, and the behaviour in service of code channel, determine current TD network load situation, for example: when the percentage of the user terminal of current access TD network in the Serving cell surpasses 80%, carrier wave, time slot, and the code channel occupancy is higher, think that then the load of TD network is heavier, affect the foundation of data service, the percentage that then can set the user terminal of current access TD network is described the first threshold value when being 80%.
When the load of TD network during greater than the first threshold value, illustrate that the load of TD network is heavier.
The threshold value that above-mentioned the first threshold value is mentioned in being not limited to for example can be set according to actual conditions.
S13, RNC judge whether the Serving cell at this UE place exists adjacent E-UTRAN residential quarter, if having at least one adjacent E-UTRAN residential quarter, execution in step S14, otherwise process ends.
S14, RNC determine that from the E-UTRAN residential quarter adjacent with Serving cell an E-UTRAN residential quarter is as the redirection target residential quarter.
Particularly, judge the overlapping E-UTRAN residential quarter of network's coverage area that whether has network's coverage area and Serving cell in the E-UTRAN residential quarter adjacent with Serving cell, if determine that this E-UTRAN residential quarter is as the redirection target residential quarter; Determine from the E-UTRAN residential quarter adjacent with Serving cell that perhaps the nearest E-UTRAN residential quarter of the network's coverage area of network's coverage area distance service residential quarter is as the redirection target residential quarter.
Or from the E-UTRAN residential quarter adjacent with Serving cell, determine a pilot measurement value greater than the E-UTRAN residential quarter of the second threshold value as Target cell.This pilot measurement value is that RNC obtains from each user terminal in advance.
S15, return the connection feedback information to described user terminal, this connection feedback information can be that RRC connects exclude information (RRC Connection Reject), and this connection feedback information kind is carried the relevant information as the redirection target residential quarter of determining.The relevant information of this redirection target residential quarter is used to indicate described user terminal and is redirected to described redirection target residential quarter by described Serving cell.
After S16, UE receive the relevant information of redirection target residential quarter of RNC, initiate the data service request to the E-UTRAN residential quarter.Particularly, by communicating the whole data service process of finishing with RNC and CN.This part is same as the prior art, repeats no more here.
Embodiment two:
UE is after setting up data service, and RNC switches to adjacent E-UTRAN residential quarter with user terminal by Serving cell based on the data service rate (such as upstream rate and downstream rate) of at least one direction of the user terminal of supporting E-UTRAN.
Referring to Fig. 6, the embodiment of the invention provides a kind of cell switching method, simply may further comprise the steps:
1, UE sets up with RNC that data service is connected or the data service modification process, revises in data service connection request or data service and carries the ability information that user terminal is supported E-UTRAN in the request.RNC revises the definite user terminal support of request E-UTRAN according to described data service connection request or data service, and the business that needs to set up is data service.
2, the service rate of the described user terminal of RNC Real-Time Monitoring (upstream rate or downstream rate), when upstream rate and downstream rate during one of at least greater than predetermined threshold value, the user terminal of current support E-UTRAN is switched to adjacent E-UTRAN residential quarter from Serving cell.
3, RNC returns E-UTRAN residential quarter relevant information to user terminal by setting up professional feedback message.
4, UE switches to the E-UTRAN residential quarter by Serving cell, by communicating by letter with the mutual realization of RNC and CN.
Referring to Fig. 7, the embodiment of the invention provides a kind of cell switching method, comprising:
S21, RNC receive from the user terminal connection request, for example professional foundation or business modification request, wherein carry for characterizing this user terminal and support the ability information of E-UTRAN, and determine this user terminal support E-UTRAN, and the service request type of initiating is data service.
Whether S22, RNC judge the upstream rate of user terminal of access network or downstream rate greater than the 3rd threshold value, if so, and execution in step S23, otherwise process ends.
S23, RNC judge whether the Serving cell at UE place exists adjacent E-UTRAN residential quarter, if so, and execution in step S24, otherwise process ends.
S24, determine that from the E-UTRAN residential quarter adjacent with Serving cell an E-UTRAN residential quarter is as to be switched Target cell.
Particularly, from the E-UTRAN residential quarter adjacent with Serving cell, determine the overlapping E-UTRAN residential quarter of a network's coverage area and the network's coverage area of Serving cell as to be switched Target cell, or from the E-UTRAN residential quarter adjacent with Serving cell a definite pilot measurement value greater than the E-UTRAN residential quarter of the second threshold value as to be switched Target cell.
S25, RNC return the relevant information of to be switched Target cell to described user terminal, the relevant information of this to be switched Target cell is used to indicate described user terminal and switches to described to be switched Target cell by described Serving cell.
After S26, UE receive the relevant information of RNC switching target small area, to E-UTRAN residential quarter initiating business request.Particularly, finish whole business procedure by communicating with RNC and CN.This part is same as the prior art, repeats no more here.
Embodiment three:
At least one UE is after the foundation business, and RNC is based on the service rate (such as upstream rate or downstream rate) of each user terminal, and the load condition of TD network, and user terminal is switched to the E-UTRAN residential quarter by Serving cell.
Referring to Fig. 8, the embodiment of the invention provides a kind of cell switching method, simply may further comprise the steps:
1, UE sets up service request with RNC or business modification is connected, and carries the E-UTRAN ability information of user terminal in this connection message.
2, the network load of the described user terminal of RNC Real-Time Monitoring and service rate (upstream rate or downstream rate), network load surpasses predetermined threshold value, then select the larger user terminal of upstream rate or downstream rate as the user terminal of to be switched network, the user terminal of determining is switched to the E-UTRAN residential quarter.
3, RNC returns E-UTRAN residential quarter relevant information by setting up business or business modification feedback message the user terminal of definite to be switched network.
4, UE switches to the E-UTRAN residential quarter by Serving cell, by communicating by letter with the mutual realization of RNC and CN.
Referring to Fig. 9, the embodiment of the invention provides a kind of cell switching method, specifically may further comprise the steps:
S31, RNC receive business foundation request or the business modification request from least one user terminal, and wherein each professional foundation is carried ability information of supporting the universal land radio access web E-UTRAN of evolution for this user terminal of sign in the request.
32, RNC judge the TD network load whether greater than the first threshold value, if so, execution in step S33, otherwise process ends.
Particularly, carrier wave, time slot in the RNC Real-Time Monitoring TD Serving cell, and code channel etc., according to the carrier wave in the TD Serving cell, time slot, and the behaviour in service of code channel, determine current TD network load situation, suppose when the percentage of the user terminal of current access TD network in the Serving cell surpasses 80%, carrier wave, time slot, and the code channel occupancy is higher, think that then the load of TD network is heavier, affect the foundation of data service, the percentage that then can set the user terminal of current access TD network is described the first threshold value when being 80%.
When the load of TD network during greater than the first threshold value, illustrate that the load of TD network is heavier.
Whether S33, RNC judge the upstream rate of user terminal of access network or downstream rate greater than the 3rd threshold value, if so, and execution in step S34, otherwise process ends.
Particularly, when upstream rate or downstream rate greater than the 3rd threshold value,
S34, RNC judge whether satisfy upstream rate or downstream rate exists adjacent E-UTRAN residential quarter greater than the Serving cell at the UE place of the 3rd threshold value, if so, and execution in step S35.
S35, determine that an E-UTRAN residential quarter is as to be switched Target cell.
Particularly, from the E-UTRAN residential quarter adjacent with Serving cell, determine the overlapping E-UTRAN residential quarter of a network's coverage area and the network's coverage area of Serving cell as to be switched Target cell, or from a plurality of E-UTRAN residential quarter a definite pilot measurement value greater than the E-UTRAN residential quarter of the second threshold value as to be switched Target cell.
S36, RNC determine that upstream rate or the larger user terminal of downstream rate are the user terminal of to be switched network.
S37, RNC return the relevant information of to be switched Target cell to described user terminal, the user terminal that the relevant information of this to be switched Target cell is used to indicate described to be switched network switches to described to be switched Target cell by described Serving cell.
After S38, UE receive the relevant information of RNC switching target small area, to E-UTRAN residential quarter initiating business request.Particularly, finish whole business procedure by communicating with RNC and CN.This part is same as the prior art, repeats no more here.
The following describes the residential quarter switching device shifter that the embodiment of the invention provides, this residential quarter switching device shifter can be radio reception device, realizes that the capital equipment that switch the residential quarter can be RNC.
Referring to Figure 10, a kind of redirecting cell device that the embodiment of the invention provides comprises:
The first determining unit 11, the connection request of initiating for the user terminal of the universal land radio access web E-UTRAN that determines support evolution is the data service connection request, and determines that there is at least one adjacent E-UTRAN residential quarter in the residing Serving cell of described user terminal;
The second determining unit 12 is used for definite Target cell from the E-UTRAN residential quarter adjacent with described Serving cell;
Be redirected unit 13, be used to indicate the Target cell relevant information that this user terminal is redirected to described Target cell for returning to described user terminal.
Preferably, referring to Figure 11, described redirecting cell device also comprises:
The 3rd determining unit 14, be used for determining that whether the load of current network is greater than the first threshold value, if, the first determining unit determines that the connection request that the user terminal of the universal land radio access web E-UTRAN of support evolution is initiated is the data service connection request, and determines that there is at least one adjacent E-UTRAN residential quarter in the residing Serving cell of described user terminal.
Preferably, referring to Figure 11, described redirecting cell device also comprises:
Receiving element 15 is used for receiving call request or cell update request from least one user terminal, wherein, carries in described call request or the cell update request for the ability information that characterizes this user terminal support E-UTRAN.
Preferably, the second determining unit 12, concrete being used for determined the overlapping E-UTRAN residential quarter of a network's coverage area and the network's coverage area of Serving cell as Target cell from the E-UTRAN residential quarter adjacent with Serving cell, or from the E-UTRAN residential quarter adjacent with Serving cell a definite pilot measurement value greater than the E-UTRAN residential quarter of the second threshold value as Target cell.
Referring to Figure 12, a kind of residential quarter switching device shifter that the embodiment of the invention provides comprises:
The first determining unit 21 be used for to be determined that current area supports the upstream rate of data service of user terminal of E-UTRAN and/or downstream rate greater than the 3rd threshold value, and is determined that there is adjacent E-UTRAN residential quarter in the residing Serving cell of described user terminal;
The second determining unit 22 is used for definite Target cell from the E-UTRAN residential quarter adjacent with described Serving cell;
Preferably, referring to Figure 13, described residential quarter switching device shifter also comprises:
The 3rd determining unit 24, be used for determining that whether the load of current network is greater than the first threshold value, if, described the first determining unit determines in the current area to support the upstream rate of data service of user terminal of E-UTRAN and/or downstream rate greater than the 3rd threshold value, and determines that there is adjacent E-UTRAN residential quarter in the residing Serving cell of described user terminal.
Preferably, switch unit 23, concrete being used for returned the relevant information of to be switched Target cell to the user terminal of upstream rate or downstream rate maximum when satisfying upstream rate and/or downstream rate greater than more than one of the user terminal of the 3rd threshold value.
Preferably, referring to Figure 13, described residential quarter switching device shifter also comprises:
Receive single 25, be used for receiving from the data service of at least one user terminal and set up request or data service modification request, wherein, each data service is set up in request or the data service modification request and is carried the ability information of supporting E-UTRAN for this user terminal of sign.
Preferably, the second determining unit 22, concrete being used for determined the overlapping E-UTRAN residential quarter of a network's coverage area and the network's coverage area of Serving cell as to be switched Target cell from the E-UTRAN residential quarter adjacent with Serving cell, or from the E-UTRAN residential quarter adjacent with Serving cell a definite pilot measurement value greater than the E-UTRAN residential quarter of the second threshold value as to be switched Target cell.
When the embodiment of the invention is set up in data service, or after the data service foundation, reception is from the ability information that this user terminal of sign is supported the universal land radio access web E-UTRAN of evolution that is used for of user terminal, ability information according to the E-UTRAN of this user terminal, this user terminal is switched to the E-UTRAN residential quarter from the Serving cell at place, realized that user terminal by the switching of TD network cell to the LTE network cell, has alleviated the load of TD network, rationally utilized the resource of LTE network.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware implementation example, complete implement software example or in conjunction with the form of the embodiment of software and hardware aspect.And the present invention can adopt the form of the computer program of implementing in one or more computer-usable storage medium (including but not limited to magnetic disc store and optical memory etc.) that wherein include computer usable program code.
The present invention is that reference is described according to flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device producing a machine, so that the instruction of carrying out by the processor of computer or other programmable data processing device produces the device that is used for realizing in the function of flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, so that the instruction that is stored in this computer-readable memory produces the manufacture that comprises command device, this command device is realized the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device, so that carry out the sequence of operations step producing computer implemented processing at computer or other programmable devices, thereby be provided for realizing the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame in the instruction that computer or other programmable devices are carried out.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (18)
1. a redirecting cell method is characterized in that, comprising:
The connection request that the user terminal of the universal land radio access web E-UTRAN of definite support evolution is initiated is the data service connection request, and after determining that there is at least one adjacent E-UTRAN residential quarter in the residing Serving cell of described user terminal, from the E-UTRAN residential quarter adjacent with described Serving cell, determine a Target cell;
Return to described user terminal and to be used to indicate the Target cell relevant information that this user terminal is redirected to described Target cell.
2. method according to claim 1, it is characterized in that, the connection request of initiating at the user terminal of the universal land radio access web E-UTRAN that determines support evolution is the data service connection request, and determine that the residing Serving cell of described user terminal exists before at least one adjacent E-UTRAN residential quarter, also comprise:
Determine that whether the load of current network is greater than the first threshold value, if, the connection request that the user terminal of the universal land radio access web E-UTRAN of definite support evolution is initiated is the data service connection request, and determines that there is at least one adjacent E-UTRAN residential quarter in the residing Serving cell of described user terminal.
3. method according to claim 2 is characterized in that, before whether the load of determining current network is greater than the first threshold value, also comprises:
Reception wherein, is carried in described call request or the cell update request for the ability information that characterizes this user terminal support E-UTRAN from call request or the cell update request of at least one user terminal.
4. method according to claim 1 is characterized in that, described definite Target cell is specially:
From the E-UTRAN residential quarter adjacent with Serving cell, determine the overlapping E-UTRAN residential quarter of a network's coverage area and the network's coverage area of Serving cell as Target cell, or from the E-UTRAN residential quarter adjacent with Serving cell a definite pilot measurement value greater than the E-UTRAN residential quarter of the second threshold value as Target cell.
5. a cell switching method is characterized in that, comprising:
Determine in the current area to support the upstream rate of data service of user terminal of E-UTRAN and/or downstream rate greater than the 3rd threshold value, and after determining that there is adjacent E-UTRAN residential quarter in the residing Serving cell of described user terminal, from the E-UTRAN residential quarter adjacent with described Serving cell, determine a Target cell;
Return to described user terminal and to be used to indicate the Target cell relevant information that this user terminal switches to described Target cell.
6. method according to claim 5, it is characterized in that, determine in the current area to support the upstream rate of data service of user terminal of E-UTRAN and/or downstream rate greater than the 3rd threshold value, and determine that the residing Serving cell of described user terminal exists before the adjacent E-UTRAN residential quarter, also comprise:
Determine that whether the load of current network is greater than the first threshold value, if, determine in the current area to support the upstream rate of data service of user terminal of E-UTRAN and/or downstream rate greater than the 3rd threshold value, and determine that there is adjacent E-UTRAN residential quarter in the residing Serving cell of described user terminal.
7. method according to claim 5, it is characterized in that, when satisfying upstream rate and/or downstream rate greater than more than one of the user terminal of the 3rd threshold value, return the relevant information of to be switched Target cell to the user terminal of upstream rate or downstream rate maximum.
8. method according to claim 5 is characterized in that, determines also to comprise before the Target cell from the E-UTRAN residential quarter adjacent with described Serving cell:
Reception sets up request from the data service of at least one user terminal or request is revised in data service, and wherein, the ability information of carrying in the request for characterizing this user terminal support E-UTRAN is revised in each data service foundation request or data service.
9. method according to claim 5 is characterized in that, determines to be specially a Target cell from the E-UTRAN residential quarter adjacent with described Serving cell:
From the E-UTRAN residential quarter adjacent with Serving cell, determine the overlapping E-UTRAN residential quarter of a network's coverage area and the network's coverage area of Serving cell as to be switched Target cell, or from the E-UTRAN residential quarter adjacent with Serving cell a definite pilot measurement value greater than the E-UTRAN residential quarter of the second threshold value as to be switched Target cell.
10. a redirecting cell device is characterized in that, comprising:
The first determining unit, the connection request of initiating for the user terminal of the universal land radio access web E-UTRAN that determines support evolution is the data service connection request, and determines that there is at least one adjacent E-UTRAN residential quarter in the residing Serving cell of described user terminal;
The second determining unit is used for definite Target cell from the E-UTRAN residential quarter adjacent with described Serving cell;
Be redirected the unit, be used to indicate the Target cell relevant information that this user terminal is redirected to described Target cell for returning to described user terminal.
11. device according to claim 10 is characterized in that, also comprises:
The 3rd determining unit, be used for determining that whether the load of current network is greater than the first threshold value, if, the first determining unit determines that the connection request that the user terminal of the universal land radio access web E-UTRAN of support evolution is initiated is the data service connection request, and determines that there is at least one adjacent E-UTRAN residential quarter in the residing Serving cell of described user terminal.
12. device according to claim 11 is characterized in that, also comprises:
Receiving element is used for receiving call request or cell update request from least one user terminal, wherein, carries in described call request or the cell update request for the ability information that characterizes this user terminal support E-UTRAN.
13. device according to claim 10, it is characterized in that, described the second determining unit, concrete being used for determined the overlapping E-UTRAN residential quarter of a network's coverage area and the network's coverage area of Serving cell as Target cell from the E-UTRAN residential quarter adjacent with Serving cell, or from the E-UTRAN residential quarter adjacent with Serving cell a definite pilot measurement value greater than the E-UTRAN residential quarter of the second threshold value as Target cell.
14. a residential quarter switching device shifter is characterized in that, comprising:
The first determining unit be used for to be determined that current area supports the upstream rate of data service of user terminal of E-UTRAN and/or downstream rate greater than the 3rd threshold value, and is determined that there is adjacent E-UTRAN residential quarter in the residing Serving cell of described user terminal;
The second determining unit is used for definite Target cell from the E-UTRAN residential quarter adjacent with described Serving cell;
Switch unit is used to indicate the Target cell relevant information that this user terminal switches to described Target cell for returning to described user terminal.
15. device according to claim 14 is characterized in that, also comprises:
The 3rd determining unit, be used for determining that whether the load of current network is greater than the first threshold value, if, described the first determining unit determines in the current area to support the upstream rate of data service of user terminal of E-UTRAN and/or downstream rate greater than the 3rd threshold value, and determines that there is adjacent E-UTRAN residential quarter in the residing Serving cell of described user terminal.
16. device according to claim 14, it is characterized in that, described switch unit, concrete being used for returned the relevant information of to be switched Target cell to the user terminal of upstream rate or downstream rate maximum when satisfying upstream rate and/or downstream rate greater than more than one of the user terminal of the 3rd threshold value.
17. device according to claim 14 is characterized in that, also comprises:
Receiving element, be used for receiving from the data service of at least one user terminal and set up request or data service modification request, wherein, each data service is set up in request or the data service modification request and is carried the ability information of supporting E-UTRAN for this user terminal of sign.
18. device according to claim 14, it is characterized in that, described the second determining unit, concrete being used for determined the overlapping E-UTRAN residential quarter of a network's coverage area and the network's coverage area of Serving cell as to be switched Target cell from the E-UTRAN residential quarter adjacent with Serving cell, or from the E-UTRAN residential quarter adjacent with Serving cell a definite pilot measurement value greater than the E-UTRAN residential quarter of the second threshold value as to be switched Target cell.
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103843402A (en) * | 2013-12-05 | 2014-06-04 | 华为技术有限公司 | Redirection method, device and system |
CN104581856A (en) * | 2014-12-24 | 2015-04-29 | 大唐移动通信设备有限公司 | Network redirection method and equipment |
CN104994548A (en) * | 2015-07-13 | 2015-10-21 | 中国联合网络通信集团有限公司 | Switching method for use in LTE (Long Term Evolution) system and base station |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102065495A (en) * | 2009-11-13 | 2011-05-18 | 大唐移动通信设备有限公司 | Method, system and base station for selecting target cell |
CN102695232A (en) * | 2011-03-22 | 2012-09-26 | 华为技术有限公司 | Method, device and system for service establishment |
-
2012
- 2012-11-09 CN CN2012104488481A patent/CN102958121A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102065495A (en) * | 2009-11-13 | 2011-05-18 | 大唐移动通信设备有限公司 | Method, system and base station for selecting target cell |
CN102695232A (en) * | 2011-03-22 | 2012-09-26 | 华为技术有限公司 | Method, device and system for service establishment |
Cited By (15)
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---|---|---|---|---|
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CN109451832A (en) * | 2017-06-30 | 2019-03-08 | 北京小米移动软件有限公司 | Wireless communications method, device and computer readable storage medium |
US11064415B2 (en) | 2017-06-30 | 2021-07-13 | Beijing Xiaomi Mobile Software Co., Ltd. | Wireless communication method and apparatus |
CN109451832B (en) * | 2017-06-30 | 2021-09-21 | 北京小米移动软件有限公司 | Wireless communication method, device and computer readable storage medium |
CN113225779A (en) * | 2020-02-05 | 2021-08-06 | 大唐移动通信设备有限公司 | Directional switching processing method and device of terminal, electronic equipment and storage medium |
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