CN102340795A - Cell selection method and cell selection terminal - Google Patents
Cell selection method and cell selection terminal Download PDFInfo
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- CN102340795A CN102340795A CN2010102394156A CN201010239415A CN102340795A CN 102340795 A CN102340795 A CN 102340795A CN 2010102394156 A CN2010102394156 A CN 2010102394156A CN 201010239415 A CN201010239415 A CN 201010239415A CN 102340795 A CN102340795 A CN 102340795A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/20—Selecting an access point
Abstract
The invention provides a cell selection method, which is characterized by comprising the following steps of: setting initial-access-service-requirement-based cell selection conditions and paging-service-requirement-based cell selection conditions in a terminal; when the terminal performs cell selection, selecting a cell in accordance with the initial-access-service-requirement-based cell selection conditions as an access service provision cell according to the initial-access-service-requirement-based cell selection conditions set in the terminal, and storing cell information about the selected access service provision cell; and selecting a cell in accordance with the paging-service-requirement-based cell selection conditions as a paging service provision cell according to the paging-service-requirement-based cell selection conditions set in the terminal, and monitoring a paging channel or a paging indication channel of the selected paging service provision cell. The invention also provides the cell selection terminal corresponding to the method. The terminal comprises a storage unit, a selection unit, a monitoring unit, an input unit and an access request unit.
Description
Technical field
The present invention relates to the mobile communication technology field, relate in particular to cell selecting method and the terminal of realizing cell selecting.
Background technology
Current, mobile communication is very popularized.In order to make the user can utilize its terminal to realize mobile communication, need behind starting up of terminal, carry out cell selecting, thereby make this portable terminal can be stationed selected sub-district, to realize mobile communication.Certainly, in practical application, also can move etc. former thereby need carry out district reselecting owing to the terminal, at this moment, cell selecting also need be carried out in the terminal, so that the terminal can be stationed in the sub-district of new choosing, realizes mobile communication.
In the prior art; The terminal is according to the cell selecting condition of setting; The sub-district of selecting an eligible requirement for be stationed the sub-district, choose be stationed the sub-district after, terminal monitoring is stationed the PCH and/or the Page Indication Channel of sub-district; When the terminal initiates to insert request, be stationed initiation access request on the RACH of sub-district.
Along with the continuous development of mobile communication technology, the number of users of mobile communication and traffic carrying capacity are also in continuous increase, and this just needs mobile communications network that bigger message capacity is provided.In order to improve the message capacity of mobile communications network, generally adopt Microcell and/or picocell and/or Femto cell to cover at hot zones, this has just formed the network coverage structure of multilayer.In addition, in order to improve indoor covering quality and bigger message capacity to be provided, general indoor covering also adopts Microcell and/or picocell and/or Femto cell to cover.So-called picocell or Femto cell remain a kind of of Microcell in fact, and just its covering radius is littler, and base station transmitting power is lower, and it is mainly with the communication issue that solves indoor or outdoors zonule focuses such as commercial center, conference centre, family.The mobile communications network that multilayer covers can provide bigger message capacity; But realizing adopting cell selecting method of the prior art can increase the complexity of mobile communications network operation when multilayer covers; Increasing particularly along with Microcell in the network and/or picocell and/or Femto cell quantity; The call signaling expense also can be increasing, and the increase of call signaling expense can increase channel disturbance and tie up other professional Internet resources, and the message capacity of network is reduced.
Summary of the invention
In view of this; The object of the present invention is to provide a kind of cell selecting method and the terminal of realizing cell selecting; With call signaling expense in the mobile communications network that reduces the multilayer covering, and make the terminal under the situation that the call signaling expense reduces, still can listen to paging to this terminal.
For realizing above-mentioned purpose, the invention provides following technical scheme:
A kind of cell selecting method, this method comprises:
In the terminal, set the cell selecting condition that requires based on initial access service, comprising the requirement of cell system information relevant in the cell system information that cell base station is sent with initial access service; With, in the terminal, set the cell selecting condition that requires based on paging service, comprising the requirement of cell system information relevant in the cell system information that cell base station is sent with paging service;
When cell selecting is carried out at above-mentioned terminal,
Close the sub-district of stating conditional request for the access service sub-district is provided according to the cell selecting condition selector of in above-mentioned terminal, setting that requires based on initial access service, and preserve the selected cell information that the access service sub-district is provided; And/or, close the sub-district of stating conditional request for the paging service sub-district is provided according to the cell selecting condition selector of in above-mentioned terminal, setting that requires based on paging service, and monitor selected PCH or the Page Indication Channel that the paging service sub-district is provided.
This method also comprises:
After said terminal is selected and the access service sub-district is provided and the paging service sub-district is provided,
Said terminal periodic property monitoring and/or by the selected broadcast channel that the carrying cell information of access service sub-district is provided of the said terminal monitoring of Event triggered; When listening to the selected cell information that the access service sub-district is provided when changing, the selected cell information that the access service sub-district is provided that said terminal updating is preserved; And/or; Said terminal periodic property monitoring and/or by the selected broadcast channel that the carrying cell information of paging service sub-district is provided of the said terminal monitoring of Event triggered; When listening to the selected cell information that the paging service sub-district is provided when changing, the selected cell information that the paging service sub-district is provided that said terminal updating is preserved; And/or,
Said terminal periodic property monitoring and/or monitor current selected access service sub-district and/or current selected signal level and/or the signal quality that paging service sub-district and/or adjacent sub-district are provided of providing by the said terminal of Event triggered; Whether and said terminal is judged according to monitoring result: need gravity treatment that the access service sub-district is provided; If; Then trigger said terminal according to the cell selecting condition selector of in this terminal, setting that requires based on initial access service close state conditional request the sub-district for the access service sub-district is provided; And preserve the selected cell information that the access service sub-district is provided, otherwise said terminal keeps the current selected access service sub-district that provides constant; And/or; Whether need gravity treatment that the paging service sub-district is provided; If then trigger said terminal and close the sub-district of stating conditional request for the paging service sub-district is provided, and monitor selected PCH or the Page Indication Channel that the paging service sub-district is provided according to the cell selecting condition selector of in this terminal, setting that requires based on paging service; Otherwise said terminal keeps the current selected paging service sub-district that provides constant.
This method further comprises:
When said terminal initiated to insert request, said terminal read in the current selected cell information of preserving in this terminal that the access service sub-district is provided earlier; After said terminal reads above-mentioned cell information, on the RACH of above-mentioned cell information indication, initiate to insert request; Or,
When said terminal initiated to insert request, said terminal read in the current selected cell information of preserving in this terminal that the access service sub-district is provided earlier; After said terminal reads above-mentioned cell information, on the broadcast channel of the carrying cell information that above-mentioned cell information is indicated, monitor, obtaining provides the cell information of access service sub-district in the current time; Said terminal obtains provides the access service sub-district behind the cell information of current time, is providing the access service sub-district on the RACH of the cell information indication of current time, to initiate to insert request.
This method further comprises:
Said terminal is after initiating to insert request on the selected RACH that the access service sub-district is provided; The access request that initiate at said terminal is accepted in the selected access service sub-district that provides, said terminal on this sub-district RACH, for said terminal provides access service.
A kind of terminal of realizing cell selecting, this terminal comprises:
Memory cell is used to store cell information of being selected by selected cell that the access service sub-district is provided and the cell information of being selected by selected cell that the paging service sub-district is provided;
Selected cell; Be used for according to cell selecting condition of setting at said terminal that requires based on initial access service and the cell selecting condition that requires based on paging service, from the sub-district of monitoring, selecting a sub-district that meets the cell selecting condition that requires based on initial access service is the access service sub-district to be provided and from the sub-district of monitoring, to select a sub-district that meets the cell selecting condition that requires based on paging service for the paging service sub-district is provided;
Monitoring unit; Be used to monitor the PCH or the Page Indication Channel of the sub-district that the cell information that the paging service sub-district is provided of cell stores describes; When on above-mentioned PCH, listening to the paging that is directed against said terminal, to inserting the message that request unit sends the response paging;
Input unit is used to import notice and inserts the instruction that request unit is initiated active call;
Insert request unit, be used in the instruction of the initiation active call of receiving input unit or when receiving the message of response paging of monitoring unit, initiate to insert request to the sub-district that the cell information that the access service sub-district is provided of cell stores is described.
Can find out from such scheme; Terminal described in the present invention is according to cell selecting condition of in this terminal, setting that requires based on initial access service and the cell selecting condition that requires based on paging service; From the sub-district of monitoring, selecting a sub-district that meets the cell selecting condition that requires based on initial access service is the access service sub-district to be provided and from the sub-district of monitoring, to select a sub-district that meets the cell selecting condition that requires based on paging service for the paging service sub-district is provided; In above-mentioned cell selecting process; The selected access service sub-district that provides, terminal possibly be two different sub-districts with the paging service sub-district is provided; This just make the terminal can select a paging service defectiveness in addition sub-district that paging service is not provided for the access service sub-district is provided; And select another sub-district for the paging service sub-district is provided; And monitoring selected PCH or the Page Indication Channel that the paging service sub-district is provided, is to provide under the situation of access service sub-district even this makes the terminal selecting a paging service defectiveness even the sub-district of paging service not being provided, and still can listen to the paging to this terminal.Based on above-mentioned technical characterstic of the present invention; Macrocell provides under the situation of paging service in the mobile communications network that multilayer covers; Can close Microcell and/or the paging service of picocell and/or Femto cell in the above-mentioned macro cell coverage area; Said terminal still can select a Microcell or picocell or Femto cell for the access service sub-district is provided from above-mentioned Microcell and/or picocell and/or Femto cell; And select above-mentioned macrocell for the paging service sub-district is provided; And monitoring selected PCH or the Page Indication Channel that the paging service sub-district is provided, is to provide under the situation of access service sub-district even this makes the terminal selecting a Microcell that paging service is not provided or picocell or Femto cell, still can listen to the paging to this terminal.Obviously; Close Microcell and/or the paging service of picocell and/or Femto cell in the above-mentioned macro cell coverage area; Can reduce the call signaling expense; And the given technical scheme of the present invention can make said terminal under the situation that the call signaling expense reduces, and still can listen to the paging to this terminal.
Description of drawings
Fig. 1 is the sketch map at the terminal of the realization cell selecting that the embodiment of the invention provided.
Embodiment
The embodiment of the invention provides cell selecting method and the terminal of realizing cell selecting.
Be described in detail in the face of the embodiment of the invention down.
The preferred embodiment of the present invention may further comprise the steps:
In the terminal, set the cell selecting condition that requires based on initial access service, comprising the requirement of cell system information relevant in the cell system information that cell base station is sent with initial access service; With, in the terminal, set the cell selecting condition that requires based on paging service, comprising the requirement of cell system information relevant in the cell system information that cell base station is sent with paging service;
When cell selecting is carried out at above-mentioned terminal; Close the sub-district of stating conditional request for the access service sub-district is provided according to the cell selecting condition selector of in above-mentioned terminal, setting that requires based on initial access service, and preserve the selected cell information that the access service sub-district is provided; Close the sub-district of stating conditional request for the paging service sub-district is provided according to the cell selecting condition selector of in above-mentioned terminal, setting that requires based on paging service, and monitor selected PCH or the Page Indication Channel that the paging service sub-district is provided.
After said terminal is selected and the access service sub-district is provided and the paging service sub-district is provided,
Said terminal periodic property monitoring and/or by the selected broadcast channel that the carrying cell information of access service sub-district is provided of the said terminal monitoring of Event triggered; When listening to the selected cell information that the access service sub-district is provided when changing, the selected cell information that the access service sub-district is provided that said terminal updating is preserved;
Said terminal periodic property monitoring and/or by the selected broadcast channel that the carrying cell information of paging service sub-district is provided of the said terminal monitoring of Event triggered; When listening to the selected cell information that the paging service sub-district is provided when changing, the selected cell information that the paging service sub-district is provided that said terminal updating is preserved;
Said terminal periodic property monitoring and/or monitor current selected access service sub-district and/or current selected signal level and/or the signal quality that paging service sub-district and/or adjacent sub-district are provided of providing by the said terminal of Event triggered; Whether and said terminal is judged according to monitoring result: need gravity treatment that the access service sub-district is provided; If; Then trigger said terminal according to the cell selecting condition selector of in this terminal, setting that requires based on initial access service close state conditional request the sub-district for the access service sub-district is provided; And preserve the selected cell information that the access service sub-district is provided, otherwise said terminal keeps the current selected access service sub-district that provides constant; And/or; Whether need gravity treatment that the paging service sub-district is provided; If then trigger said terminal and close the sub-district of stating conditional request for the paging service sub-district is provided, and monitor selected PCH or the Page Indication Channel that the paging service sub-district is provided according to the cell selecting condition selector of in this terminal, setting that requires based on paging service; Otherwise said terminal keeps the current selected paging service sub-district that provides constant.
When said terminal initiated to insert request, said terminal read in the current selected cell information of preserving in this terminal that the access service sub-district is provided earlier; After said terminal reads above-mentioned cell information, on the RACH of above-mentioned cell information indication, initiate to insert request; Or,
When said terminal initiated to insert request, said terminal read in the current selected cell information of preserving in this terminal that the access service sub-district is provided earlier; After said terminal reads above-mentioned cell information, on the broadcast channel of the carrying cell information that above-mentioned cell information is indicated, monitor, obtaining provides the cell information of access service sub-district in the current time; Said terminal obtains provides the access service sub-district behind the cell information of current time, is providing the access service sub-district on the RACH of the cell information indication of current time, to initiate to insert request.
Said terminal is after initiating to insert request on the selected RACH that the access service sub-district is provided; The access request that initiate at said terminal is accepted in the selected access service sub-district that provides, said terminal on this sub-district RACH, for said terminal provides access service.
In above step, relate in the terminal cell selecting condition of setting based on initial access service requirement, existing following to the cell selecting condition stub of in the terminal, setting that requires based on initial access service:
1, the cell selecting condition of in the terminal, setting that requires based on initial access service is comprising the requirement of cell system information relevant with initial access service in the cell system information that cell base station is sent with to the signal level of sub-district and/or the requirement of signal quality; Do not comprise the only requirement of the cell system information relevant in the cell system information that cell base station is sent in the cell selecting condition of in the terminal, setting that requires based on initial access service with paging service.Only relevant with paging service cell system information comprises: whether information such as paging service and PCH configuration are provided.
2, can comprise in the cell selecting condition of in said terminal, setting that requires based on initial access service that requirement has this sub-district of prompting to accept said terminal and on this sub-district RACH, initiates to insert the indication information of asking in the cell system information that send the selected base station that the access service sub-district is provided.
3, can comprise in the cell selecting condition of in said terminal, setting that requires based on initial access service that requirement do not have this sub-district refusal of prompting and accept said terminal and on this sub-district RACH, initiates to insert the indication information of asking in the cell system information that send the selected base station that the access service sub-district is provided.
For being complementary, also comprise requirement with above-mentioned the 2nd or the 3rd explanation:
In GSM, add this sub-district of prompting in the cell system information that has at least one cell base station to send and accept request is initiated to insert in said terminal on this sub-district RACH indication information; And/or, in GSM, add this sub-district refusal of prompting in the cell system information that has at least one cell base station to send and accept request is initiated to insert in said terminal on this sub-district RACH indication information.
During concrete the realization; In cell system information, increase or define a field again, be used to carry this sub-district of prompting and accept said terminal and initiating to insert the indication information of request on this sub-district RACH or pointing out this sub-district refusal to accept said terminal and on this sub-district RACH, initiates to insert the indication information of asking.
In above step, relate in the terminal cell selecting condition of setting based on the paging service requirement, existing following to the cell selecting condition stub of in the terminal, setting that requires based on paging service:
1, the cell selecting condition of in the terminal, setting that requires based on paging service is comprising the requirement of cell system information relevant with paging service in the cell system information that cell base station is sent with to the signal level of sub-district and/or the requirement of signal quality; Can comprise, also can not comprise the requirement of cell system information only relevant in the cell system information that cell base station is sent in the cell selecting condition of in the terminal, setting that requires based on paging service with initial access service.Only relevant with initial access service cell system information comprises: whether information such as initial access service and RACH configuration are provided.
2, can comprise in the cell selecting condition of in said terminal, setting that requires based on paging service that requirement has this sub-district of prompting to be provided at the indication information of the service at the said terminal of paging on the PCH in the cell system information that send the selected base station that the paging service sub-district is provided.
3, can comprise in the cell selecting condition of in said terminal, setting that requires based on paging service that requirement do not have the indication information that this sub-district refusal of prompting is provided at the service at the said terminal of paging on the PCH in the cell system information that send the selected base station that the paging service sub-district is provided.
For being complementary, also comprise requirement with above-mentioned the 2nd or the 3rd explanation:
In GSM, add this sub-district of prompting is provided at indication information from the service at the said terminal of paging on the PCH to said terminal in the cell system information that has at least one cell base station to send; And/or, in GSM, add this sub-district refusal of prompting is provided at indication information from the service at the said terminal of paging on the PCH to said terminal in the cell system information that has at least one cell base station to send.
During concrete the realization; In cell system information, increase or define a field again, be used to carry this sub-district of prompting and be provided at the indication information of the service at the said terminal of paging on the PCH or point out this sub-district refusal to be provided at the indication information of the service at the said terminal of paging on the PCH to said terminal to said terminal.
The preferred embodiment of the present invention also comprises:
Said terminal is selected to be provided the access service sub-district can refuse said terminal to select it for the paging service sub-district is provided.
Said terminal is selected to be provided the access service sub-district also can accept said terminal to select it for the paging service sub-district is provided.
During concrete the realization; Network side knows clearly whether the cell system information that sends the base station of a sub-district meets the cell selecting condition of in said terminal, setting that requires based on paging service; That is to say that the requirement that relates to cell system information relevant with paging service in the cell system information that cell base station is sent in the cell selecting condition of setting in the said terminal that requires based on paging service is disclosed to network side.Can whether provide paging service to come the cell system information of allocating cell base station transmission according to the sub-district to said terminal; When a sub-district when said terminal provides paging service, dispose cell system information that this cell base station sends and be and meet the requirement that relates to cell system information relevant in the cell system information that cell base station is sent in the cell selecting condition of in said terminal, setting that requires based on paging service with paging service; When sub-district refusal when said terminal provides paging service, dispose cell system information that this cell base station sends and be and do not meet the requirement that relates to cell system information relevant in the cell system information that cell base station is sent in the cell selecting condition of in said terminal, setting that requires based on paging service with paging service.Network side knows clearly also whether the cell system information that sends the base station of a sub-district meets the cell selecting condition of in said terminal, setting that requires based on initial access service; That is to say that the requirement that relates in the cell system information that cell base station is sent the cell system information relevant with initial access service in the cell selecting condition of setting in the said terminal that requires based on initial access service is disclosed to network side.When a sub-district allows said terminal on this sub-district RACH, to initiate to insert request, dispose cell system information that this cell base station sends and be and meet the requirement that relates in the cell system information that cell base station is sent the cell system information relevant in the cell selecting condition of in said terminal, setting that requires based on initial access service with initial access service; Refuse said terminal when on this sub-district RACH, initiating to insert request when a sub-district, dispose cell system information that this cell base station sends and be and do not meet the requirement that relates in the cell system information that cell base station is sent the cell system information relevant in the cell selecting condition of in said terminal, setting that requires based on initial access service with initial access service.Dispose cell system information that cell base station sends and be and meet the requirement that relates in the cell system information that cell base station is sent the cell system information relevant in the cell selecting condition of in said terminal, setting that requires based on initial access service with initial access service; And, dispose cell system information that this cell base station sends and be and do not meet the requirement that relates to cell system information relevant in the cell system information that cell base station is sent in the cell selecting condition of in said terminal, setting that requires based on paging service with paging service.Like this, can be implemented in said terminal and select this sub-district when the access service sub-district is provided, this sub-district refuse the selection of said terminal its for the paging service sub-district is provided.
Certainly, also can dispose cell system information that cell base station sends is to meet the requirement that relates in the cell system information that cell base station is sent the cell system information relevant with initial access service in the cell selecting condition of in said terminal, setting that requires based on initial access service; And, dispose cell system information that this cell base station sends and be and meet the requirement that relates to cell system information relevant in the cell system information that cell base station is sent in the cell selecting condition of in said terminal, setting that requires based on paging service with paging service.Like this, can be implemented in said terminal and select this sub-district when the access service sub-district is provided, this sub-district accept the selection of said terminal its for the paging service sub-district is provided.
The preferred embodiment of the present invention also comprises:
When said terminal is in CELL_PCH state or URA_PCH state, be the downlink transfer Serving cell with the selected paging service sub-district that provides.
The preferred embodiment of the present invention also comprises:
When said terminal during to the CELL_FACH state, is a signal transmission Serving cell with the selected access service sub-district that provides from CELL_PCH state or URA_PCH state transitions.
The preferred embodiment of the present invention also comprises:
Set up the paging service linked list at network side; This tabulation comprises that refusal is provided at the sub-district of the service at the said terminal of paging on the PCH; In the tabulation each refusal be provided at the service at the said terminal of paging on the PCH cell association at least one be provided at the sub-district of the service at the said terminal of paging on the PCH, and the latter is the former adjacent sub-district; When said terminal mutual with network side on the current selected channel that the access service sub-district is provided; And network side according to cell system information configuration judge said terminal current selected when providing access service sub-district refusal to be provided at the service at the said terminal of paging on the PCH, network side infer said terminal current selected provide the paging service sub-district be register in the paging service linked list with the current selected sub-district that is provided at the service at the said terminal of paging on the PCH that the access service cell association is provided in a sub-district; Further; Network side is inferred; When CELL_PCH state or URA_PCH state are transferred in said terminal, its downlink transfer Serving cell be with the current selected sub-district that is provided at the service at the said terminal of paging on the PCH that the access service cell association is provided in a sub-district.
The preferred embodiment of the present invention also comprises:
Provide the paging service cell change to cause that CELL cell update or URA upgrade when said terminal is selected; And when the new choosing in said terminal provides the paging service sub-district to allow said terminal because CELL cell update or URA upgrade on RACH, to initiate to insert; Said terminal provides mutual with network side on the channel of paging service sub-district in choosing newly, accomplishes CELL cell update or URA renewal process.Here; The new choosing in said terminal provides the paging service sub-district to allow said terminal and on RACH, initiates to insert because CELL cell update or URA upgrade, and not representing the new choosing in said terminal that the paging service sub-district is provided is the current selected access service sub-district that provides, said terminal;
Provide the paging service cell change to cause that CELL cell update or URA upgrade when said terminal is selected; And when the new choosing in said terminal provides the paging service sub-district to refuse said terminal because CELL cell update or URA upgrade on RACH, to initiate to insert; Said terminal is mutual with network side on the current selected channel that the access service sub-district is provided, and accomplishes CELL cell update or URA renewal process.
Accomplish CELL cell update or URA renewal process, can realize in different ways, below provide another preferred embodiment of accomplishing CELL cell update or URA renewal process, the preferred embodiment comprises:
When said terminal is selected when providing the paging service cell change to cause that CELL cell update or URA upgrade, said terminal is mutual with network side on the current selected channel that the access service sub-district is provided, and accomplishes CELL cell update or URA renewal process.
The preferred embodiment of the present invention also comprises:
When the cell system information that sends when the base station of a sub-district did not meet the cell selecting condition of in said terminal, setting that requires based on paging service, the radio network controller that is connected with this cell base station was not in the call signaling at the said terminal of idle pulley to this cell base station transmission paging; The radio network controller that is connected with this cell base station does not send the call signaling that paging is in the said terminal of CELL_PCH state to this cell base station; The radio network controller that is connected with this cell base station does not send the call signaling that paging is in the said terminal of URA_PCH state to this cell base station.
During concrete the realization; Network side knows clearly whether the cell system information that sends the base station of a sub-district meets the cell selecting condition of in said terminal, setting that requires based on paging service; That is to say that the requirement that relates to cell system information relevant with paging service in the cell system information that cell base station is sent in the cell selecting condition of setting in the said terminal that requires based on paging service is disclosed to network side.Can whether provide paging service to come the cell system information of allocating cell base station transmission according to the sub-district to said terminal; When a sub-district when said terminal provides paging service, dispose cell system information that this cell base station sends and be and meet the requirement that relates to cell system information relevant in the cell system information that cell base station is sent in the cell selecting condition of in said terminal, setting that requires based on paging service with paging service; When sub-district refusal when said terminal provides paging service, dispose cell system information that this cell base station sends and be and do not meet the requirement that relates to cell system information relevant in the cell system information that cell base station is sent in the cell selecting condition of in said terminal, setting that requires based on paging service with paging service.
Refuse when said terminal provides paging service when a sub-district, the radio network controller that is connected with this cell base station can not send the call signaling that paging be in the said terminal of idle pulley to this cell base station; The radio network controller that is connected with this cell base station can not send the call signaling that paging is in the said terminal of CELL_PCH state to this cell base station; The radio network controller that is connected with this cell base station can not send the call signaling that paging is in the said terminal of URA_PCH state to this cell base station.
The preferred embodiment of the present invention also comprises:
When the cell system information that sends when the base station of a sub-district did not meet the cell selecting condition of in said terminal, setting that requires based on paging service, mobile switching centre was not in the call signaling at the said terminal of idle pulley to the radio network controller transmission paging that is connected with this cell base station; Mobile switching centre does not send the call signaling that paging is in the said terminal of CELL_PCH state to the radio network controller that is connected with this cell base station; Mobile switching centre does not send the call signaling that paging is in the said terminal of URA_PCH state to the radio network controller that is connected with this cell base station.
During concrete the realization; Network side knows clearly whether the cell system information that sends the base station of a sub-district meets the cell selecting condition of in said terminal, setting that requires based on paging service; That is to say that the requirement that relates to cell system information relevant with paging service in the cell system information that cell base station is sent in the cell selecting condition of setting in the said terminal that requires based on paging service is disclosed to network side.Can whether provide paging service to come the cell system information of allocating cell base station transmission according to the sub-district to said terminal; When a sub-district when said terminal provides paging service, dispose cell system information that this cell base station sends and be and meet the requirement that relates to cell system information relevant in the cell system information that cell base station is sent in the cell selecting condition of in said terminal, setting that requires based on paging service with paging service; When sub-district refusal when said terminal provides paging service, dispose cell system information that this cell base station sends and be and do not meet the requirement that relates to cell system information relevant in the cell system information that cell base station is sent in the cell selecting condition of in said terminal, setting that requires based on paging service with paging service.
Refuse when said terminal provides paging service when a sub-district, mobile switching centre can not send the call signaling that paging be in the said terminal of idle pulley to the radio network controller that is connected with this cell base station; Mobile switching centre can not send the call signaling that paging is in the said terminal of CELL_PCH state to the radio network controller that is connected with this cell base station; Mobile switching centre can not send the call signaling that paging is in the said terminal of URA_PCH state to the radio network controller that is connected with this cell base station.
The preferred embodiment of the present invention also comprises:
When the cell system information that sends when the base station of a sub-district did not meet the cell selecting condition of in said terminal, setting that requires based on paging service, this cell base station did not send the call signaling at the said terminal of paging on PCH.
During concrete the realization; Network side knows clearly whether the cell system information that sends the base station of a sub-district meets the cell selecting condition of in said terminal, setting that requires based on paging service; That is to say that the requirement that relates to cell system information relevant with paging service in the cell system information that cell base station is sent in the cell selecting condition of setting in the said terminal that requires based on paging service is disclosed to network side.Can whether provide paging service to come the cell system information of allocating cell base station transmission according to the sub-district to said terminal; When a sub-district when said terminal provides paging service, dispose cell system information that this cell base station sends and be and meet the requirement that relates to cell system information relevant in the cell system information that cell base station is sent in the cell selecting condition of in said terminal, setting that requires based on paging service with paging service; When sub-district refusal when said terminal provides paging service, dispose cell system information that this cell base station sends and be and do not meet the requirement that relates to cell system information relevant in the cell system information that cell base station is sent in the cell selecting condition of in said terminal, setting that requires based on paging service with paging service.
When sub-district refusal when said terminal provides paging service, this cell base station does not send the call signaling at the said terminal of paging on PCH.
Need to prove:
1, closes the sub-district of stating conditional request for the access service sub-district is provided according to the cell selecting condition selector of in above-mentioned terminal, setting that requires based on initial access service, and preserve the selected cell information that the access service sub-district is provided.
During concrete the realization, preserving the selected cell information that the access service sub-district is provided, can be selectively to preserve the selected cell information that the access service sub-district is provided.Certainly; According to the cell selecting condition selector of in above-mentioned terminal, setting that requires based on paging service close state conditional request the sub-district for the paging service sub-district is provided; Relating to when preserving the selected cell information that the paging service sub-district is provided, also can be selectively to preserve the selected cell information that the paging service sub-district is provided.
2, said terminal periodic property monitoring and/or monitor current selected access service sub-district and/or current selected signal level and/or the signal quality that paging service sub-district and/or adjacent sub-district are provided of providing by the said terminal of Event triggered; Whether and said terminal is judged according to monitoring result: need gravity treatment that the access service sub-district is provided; If; Then trigger said terminal according to the cell selecting condition selector of in this terminal, setting that requires based on initial access service close state conditional request the sub-district for the access service sub-district is provided; And preserve the selected cell information that the access service sub-district is provided; Otherwise said terminal keeps the current selected access service sub-district that provides constant; And/or; Whether need gravity treatment that the paging service sub-district is provided; If then trigger said terminal and close the sub-district of stating conditional request for the paging service sub-district is provided, and monitor selected PCH or the Page Indication Channel that the paging service sub-district is provided according to the cell selecting condition selector of in this terminal, setting that requires based on paging service; Otherwise said terminal keeps the current selected paging service sub-district that provides constant.
Wherein, Said terminal periodic property monitoring and/or monitor current selected access service sub-district and/or current selected signal level and/or the signal quality that paging service sub-district and/or adjacent sub-district are provided of providing by the said terminal of Event triggered; Relate to the signal level and/or the signal quality of monitoring adjacent sub-district; Preferable implementation is that current selected signal level and/or the signal quality that the access service adjacent cells of cells is provided only monitored at said terminal.Certainly, monitor the signal level and/or the signal quality of adjacent sub-district, also have other implementation, for example, current selected signal level and/or the signal quality that the access service adjacent cells of cells is provided can be monitored in said terminal; With, monitor current selected signal level and/or the signal quality that the paging service adjacent cells of cells is provided.
When said terminal needed gravity treatment that the access service sub-district is provided, said terminal was from current adjacent sub-district, to select proper cell for the access service sub-district is provided; When said terminal needed gravity treatment that the paging service sub-district is provided, said terminal was from current adjacent sub-district, to select proper cell for the paging service sub-district is provided.Relate to here and how to confirm that current adjacent sub-district, preferable implementation are, said terminal is current adjacent sub-district with the current selected access service adjacent cells of cells that provides.Certainly, also have other implementation, for example, said terminal is all treated as current adjacent sub-district to current selected access service adjacent cells of cells and the current selected paging service adjacent cells of cells that provides of providing.
3, said terminal initiates to insert request, can be that said terminal initiatively initiates to insert request, also can be that said terminal is owing to the response paging initiates to insert request.
4, according to the difference of terminal situation of living in, cell selecting is carried out at the terminal also has difference, and a kind of situation is the terminal operation of starting shooting, and triggering terminal is carried out cell selecting; Another kind of situation is that the terminal is moved etc. former thereby need carry out district reselecting the time, triggering terminal is carried out cell selecting.
5, refuse when said terminal provides paging service when a sub-district, this sub-district can be current selected sub-district, said terminal, also can not be current selected sub-district, said terminal.Change a kind of saying, a sub-district refusal provides paging service to be meant to said terminal, and no matter whether this sub-district is current selected sub-district, said terminal, and this sub-district all refuses to said terminal paging service to be provided.
6, among this paper, provide paging service to refer in particular to the service that is provided at the said terminal of paging on the PCH to said terminal to said terminal.
7, among this paper, initial access is refered in particular on RACH and is inserted.
The terminal of the realization cell selecting that provides below in conjunction with the description of drawings embodiment of the invention, referring to Fig. 1, this terminal comprises:
For ease of understanding the present invention, the embodiment of the invention gives a kind of system that realizes cell selecting, and this system comprises:
The terminal; Be used to read the cell system information that network equipment sends; With select a sub-district that meets above-mentioned conditional request for the access service sub-district is provided according to the cell selecting condition of setting that requires based on initial access service, and according to sub-district that meets above-mentioned conditional request of cell selecting condition selection that requires based on paging service of setting for the paging service sub-district is provided;
Network equipment; Be used to send cell system information; The cell system information of its transmission comprises: point out this sub-district to be provided at the indication information of the service at this terminal of paging on the PCH to said terminal; Or, point out this sub-district refusal to be provided at the indication information of the service at this terminal of paging on the PCH to said terminal.
Said terminal comprises:
Memory cell is used to store cell information of being selected by selected cell that the access service sub-district is provided and the cell information of being selected by selected cell that the paging service sub-district is provided;
Selected cell; Be used for according to cell selecting condition of setting at said terminal that requires based on initial access service and the cell selecting condition that requires based on paging service, from the sub-district of monitoring, selecting a sub-district that meets the cell selecting condition that requires based on initial access service is the access service sub-district to be provided and from the sub-district of monitoring, to select a sub-district that meets the cell selecting condition that requires based on paging service for the paging service sub-district is provided;
Monitoring unit; Be used to monitor the PCH or the Page Indication Channel of the sub-district that the cell information that the paging service sub-district is provided of cell stores describes; When on above-mentioned PCH, listening to the paging that is directed against said terminal, to inserting the message that request unit sends the response paging;
Input unit is used to import notice and inserts the instruction that request unit is initiated active call;
Insert request unit, be used in the instruction of the initiation active call of receiving input unit or when receiving the message of response paging of monitoring unit, initiate to insert request to the sub-district that the cell information that the access service sub-district is provided of cell stores is described.
Said network equipment comprises:
The base station; Be used to send cell system information; The cell system information of its transmission comprises: point out this sub-district to be provided at the indication information of the service at this terminal of paging on the PCH to said terminal; Or the indication information of pointing out this sub-district to refuse the service at this terminal of paging on the PCH that is provided to said terminal reaches to the terminal access and/or paging service is provided.
During concrete the realization, comprise in the cell system information that the base station of the selected sub-district of requirement sends having this sub-district of prompting to be provided at the indication information of the service at this terminal of paging on the PCH to said terminal in the cell selecting condition of setting in the said terminal that requires based on paging service.The cell selecting condition that said terminal requires according to the cell selecting condition of setting in this terminal that requires based on initial access service with based on paging service and the cell system information of candidate cell; The signal level and/or the signal quality that also have candidate cell, selecting respectively provides the access service sub-district and the paging service sub-district is provided.
For narrating conveniently, below call single district to the terminal of carrying out cell selecting according to prior art and select the terminal.In fact, the system of the realization cell selecting that the embodiment of the invention provides wherein can also comprise selection terminal, single district, provides the sub-district of access service and paging service to select the terminal that the service of being stationed is provided for single the district in the system simultaneously.
The above only is a preferred implementation of the present invention; Be not to be used to limit protection scope of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (10)
1. a cell selecting method is characterized in that, this method comprises:
In the terminal, set the cell selecting condition that requires based on initial access service, comprising the requirement of cell system information relevant in the cell system information that cell base station is sent with initial access service; With, in the terminal, set the cell selecting condition that requires based on paging service, comprising the requirement of cell system information relevant in the cell system information that cell base station is sent with paging service;
When cell selecting is carried out at above-mentioned terminal,
Close the sub-district of stating conditional request for the access service sub-district is provided according to the cell selecting condition selector of in above-mentioned terminal, setting that requires based on initial access service, and preserve the selected cell information that the access service sub-district is provided; And/or, close the sub-district of stating conditional request for the paging service sub-district is provided according to the cell selecting condition selector of in above-mentioned terminal, setting that requires based on paging service, and monitor selected PCH or the Page Indication Channel that the paging service sub-district is provided.
2. cell selecting method according to claim 1 is characterized in that, this method also comprises:
After said terminal is selected and the access service sub-district is provided and the paging service sub-district is provided,
Said terminal periodic property monitoring and/or by the selected broadcast channel that the carrying cell information of access service sub-district is provided of the said terminal monitoring of Event triggered; When listening to the selected cell information that the access service sub-district is provided when changing, the selected cell information that the access service sub-district is provided that said terminal updating is preserved; And/or; Said terminal periodic property monitoring and/or by the selected broadcast channel that the carrying cell information of paging service sub-district is provided of the said terminal monitoring of Event triggered; When listening to the selected cell information that the paging service sub-district is provided when changing, the selected cell information that the paging service sub-district is provided that said terminal updating is preserved; And/or,
Said terminal periodic property monitoring and/or monitor current selected access service sub-district and/or current selected signal level and/or the signal quality that paging service sub-district and/or adjacent sub-district are provided of providing by the said terminal of Event triggered; Whether and said terminal is judged according to monitoring result: need gravity treatment that the access service sub-district is provided; If; Then trigger said terminal according to the cell selecting condition selector of in this terminal, setting that requires based on initial access service close state conditional request the sub-district for the access service sub-district is provided; And preserve the selected cell information that the access service sub-district is provided, otherwise said terminal keeps the current selected access service sub-district that provides constant; And/or; Whether need gravity treatment that the paging service sub-district is provided; If then trigger said terminal and close the sub-district of stating conditional request for the paging service sub-district is provided, and monitor selected PCH or the Page Indication Channel that the paging service sub-district is provided according to the cell selecting condition selector of in this terminal, setting that requires based on paging service; Otherwise said terminal keeps the current selected paging service sub-district that provides constant.
3. cell selecting method according to claim 1 is characterized in that, this method also comprises:
When said terminal initiated to insert request, said terminal read in the current selected cell information of preserving in this terminal that the access service sub-district is provided earlier; After said terminal reads above-mentioned cell information, on the RACH of above-mentioned cell information indication, initiate to insert request; Or,
When said terminal initiated to insert request, said terminal read in the current selected cell information of preserving in this terminal that the access service sub-district is provided earlier; After said terminal reads above-mentioned cell information, on the broadcast channel of the carrying cell information that above-mentioned cell information is indicated, monitor, obtaining provides the cell information of access service sub-district in the current time; Said terminal obtains provides the access service sub-district behind the cell information of current time, is providing the access service sub-district on the RACH of the cell information indication of current time, to initiate to insert request.
4. cell selecting method according to claim 2 is characterized in that, this method also comprises:
When said terminal initiated to insert request, said terminal read in the current selected cell information of preserving in this terminal that the access service sub-district is provided earlier; After said terminal reads above-mentioned cell information, on the RACH of above-mentioned cell information indication, initiate to insert request; Or,
When said terminal initiated to insert request, said terminal read in the current selected cell information of preserving in this terminal that the access service sub-district is provided earlier; After said terminal reads above-mentioned cell information, on the broadcast channel of the carrying cell information that above-mentioned cell information is indicated, monitor, obtaining provides the cell information of access service sub-district in the current time; Said terminal obtains provides the access service sub-district behind the cell information of current time, is providing the access service sub-district on the RACH of the cell information indication of current time, to initiate to insert request.
5. according to claim 3 or 4 described cell selecting methods, it is characterized in that:
Said terminal is after initiating to insert request on the selected RACH that the access service sub-district is provided; The access request that initiate at said terminal is accepted in the selected access service sub-district that provides, said terminal on this sub-district RACH, for said terminal provides access service.
6. according to claim 1,2,3 or 4 described cell selecting methods, it is characterized in that:
Said terminal is selected to be provided the access service sub-district to refuse said terminal to select it for the paging service sub-district is provided.
7. according to claim 1,2,3 or 4 described cell selecting methods, it is characterized in that:
When said terminal is in CELL_PCH state or URA_PCH state, be the downlink transfer Serving cell with the selected paging service sub-district that provides.
8. according to claim 1,2,3 or 4 described cell selecting methods, it is characterized in that:
When the cell system information that sends when the base station of a sub-district does not meet the cell selecting condition of in said terminal, setting that requires based on paging service,
The radio network controller that is connected with this cell base station does not send the call signaling that paging is in the said terminal of idle pulley to this cell base station; And/or,
The radio network controller that is connected with this cell base station does not send the call signaling that paging is in the said terminal of CELL_PCH state to this cell base station; And/or,
The radio network controller that is connected with this cell base station does not send the call signaling that paging is in the said terminal of URA_PCH state to this cell base station.
9. according to claim 1,2,3 or 4 described cell selecting methods, it is characterized in that:
When the cell system information that sends when the base station of a sub-district does not meet the cell selecting condition of in said terminal, setting that requires based on paging service,
Mobile switching centre does not send the call signaling that paging is in the said terminal of idle pulley to the radio network controller that is connected with this cell base station; And/or,
Mobile switching centre does not send the call signaling that paging is in the said terminal of CELL_PCH state to the radio network controller that is connected with this cell base station; And/or,
Mobile switching centre does not send the call signaling that paging is in the said terminal of URA_PCH state to the radio network controller that is connected with this cell base station.
10. a terminal of realizing cell selecting is characterized in that, this terminal comprises:
Memory cell is used to store cell information of being selected by selected cell that the access service sub-district is provided and the cell information of being selected by selected cell that the paging service sub-district is provided;
Selected cell; Be used for according to cell selecting condition of setting at said terminal that requires based on initial access service and the cell selecting condition that requires based on paging service, from the sub-district of monitoring, selecting a sub-district that meets the cell selecting condition that requires based on initial access service is the access service sub-district to be provided and from the sub-district of monitoring, to select a sub-district that meets the cell selecting condition that requires based on paging service for the paging service sub-district is provided;
Monitoring unit; Be used to monitor the PCH or the Page Indication Channel of the sub-district that the cell information that the paging service sub-district is provided of cell stores describes; When on above-mentioned PCH, listening to the paging that is directed against said terminal, to inserting the message that request unit sends the response paging;
Input unit is used to import notice and inserts the instruction that request unit is initiated active call;
Insert request unit, be used in the instruction of the initiation active call of receiving input unit or when receiving the message of response paging of monitoring unit, initiate to insert request to the sub-district that the cell information that the access service sub-district is provided of cell stores is described.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102394156A CN102340795A (en) | 2010-07-29 | 2010-07-29 | Cell selection method and cell selection terminal |
| PCT/CN2011/079577 WO2012013164A1 (en) | 2010-07-29 | 2011-09-13 | Method for cell selection and terminal embodying cell selection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102394156A CN102340795A (en) | 2010-07-29 | 2010-07-29 | Cell selection method and cell selection terminal |
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| CN102340795A true CN102340795A (en) | 2012-02-01 |
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| CN2010102394156A Pending CN102340795A (en) | 2010-07-29 | 2010-07-29 | Cell selection method and cell selection terminal |
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| WO (1) | WO2012013164A1 (en) |
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| WO2012013164A1 (en) | 2012-02-02 |
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