CN112055386B - Resident carrier selection method and equipment - Google Patents
Resident carrier selection method and equipment Download PDFInfo
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- CN112055386B CN112055386B CN201910491833.5A CN201910491833A CN112055386B CN 112055386 B CN112055386 B CN 112055386B CN 201910491833 A CN201910491833 A CN 201910491833A CN 112055386 B CN112055386 B CN 112055386B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
- H04W36/0022—Control or signalling for completing the hand-off for data sessions of end-to-end connection for transferring data sessions between adjacent core network technologies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0058—Transmission of hand-off measurement information, e.g. measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/06—Reselecting a communication resource in the serving access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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Abstract
The application discloses a resident carrier selection method and equipment, comprising the following steps: when the SPID user initially establishes a service carrier of a first network, if the redirection function and the pilot frequency switching function of the SPID user are both started, the base station sends a local area measurement control instruction to the SPID user; the service carrier is the carrier; when the pilot frequency measurement condition is met, the base station sends a pilot frequency measurement control instruction for measuring the frequency point used by the second network to the user; the working frequency bands of the first network and the second network are different and do not share a core network; if the base station does not receive the corresponding measurement report of the user within the later preset time, the base station informs the base station to stop the pilot frequency measurement and periodically sends a pilot frequency measurement control instruction to the base station until the base station receives the measurement report; after receiving the pilot frequency measurement report of the user, the base station triggers the user to access the pilot frequency point when knowing that the corresponding pilot frequency point is not communicated with the core network of the current service carrier. By applying the method and the device, the requirement that the SPID user preferentially accesses the second network can be met.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a method and an apparatus for selecting a camping carrier.
Background
At present, a private network comprises a 1.4G large network and a 1.8G communication vehicle networking, and a general client requires that a control ball is preferentially accessed to a 1.8G communication vehicle, namely, when the 1.8G communication vehicle covers the private network, the control ball needs to be triggered and released from the 1.4G communication vehicle to the 1.8G communication vehicle.
Since the deployment and control ball is always in a Radio Resource Control (RRC) connection state, and the communication vehicle and the large network do not share a core network, and thus, cross-core network switching is not supported, and the conventional scheme for performing carrier selection based on a frequency priority policy requires carrier switching through the core network, the conventional scheme for performing carrier selection based on the frequency priority policy cannot meet the requirement for preferentially accessing to the 1.8G communication vehicle.
Disclosure of Invention
The application provides a resident carrier selection method and equipment, which can meet the requirement that an SPID user preferentially accesses a second network which does not share a core network with a first network.
A resident carrier selection method for a private network distribution ball comprises the following steps:
when a service carrier is initially established by an SPID user with a specified user file code SPID, if the redirection function and the pilot frequency switching function of the SPID user are both started, a local area measurement control instruction is issued to the SPID user by a base station; the service carrier is a carrier resource of a first network;
when the base station learns that the different frequency measurement condition is currently met according to the local measurement report reported by the SPID user, the base station issues a different frequency measurement control instruction for measuring the frequency point used by the second network to the SPID user; the working frequency bands of the first network and the second network are different, and the first network and the second network do not share a core network;
if the base station does not receive the corresponding measurement report reported by the SPID user within the preset time after the pilot frequency measurement control instruction is issued, the base station informs the SPID user to stop the corresponding pilot frequency measurement, and then periodically issues the pilot frequency measurement control instruction to the SPID user according to a preset redirection period until the measurement report of the SPID user is received;
and after receiving the pilot frequency measurement report of the SPID user, the base station triggers the SPID user to access the pilot frequency point when determining that the core network to which the corresponding pilot frequency point belongs is not communicated with the core network to which the current service carrier belongs.
Preferably, the local measurement control commands are A1 and A2 measurement control commands, including an A1 measurement control threshold, an A2 measurement control threshold and a measurement control offset.
Preferably, the pilot frequency measurement control command is a GAP measurement and a4 measurement control command.
Preferably, when it is determined that the core network to which the corresponding pilot frequency point belongs is not connected to the core network to which the current service carrier belongs, the triggering of the SPID user to access the pilot frequency point includes:
the base station sends a switching request to a core network so as to switch to a pilot frequency point corresponding to the pilot frequency measurement report;
the base station informs the SPID user to access the pilot frequency point through redirection carrier information carried by RRC connection release information according to the switching failure information fed back by the core network; and the switching failure reason carried by the switching failure message is that the switching target carrier is unknown.
Preferably, the operating frequency band of the first network is 1.4G, and the operating frequency band of the second network is 1.8G.
Preferably, the second network is provided by a communication vehicle.
A camping carrier selecting device, disposed in a base station, comprising: a processor to:
when a service carrier is initially established by an SPID user with a specified user file code SPID, if the redirection function and the pilot frequency switching function of the SPID user are both started, a local area measurement control instruction is issued to the SPID user by a base station; the service carrier is a carrier resource of a first network;
when the base station learns that the different frequency measurement condition is currently met according to the local measurement report reported by the SPID user, the base station issues a different frequency measurement control instruction for measuring the frequency point used by the second network to the SPID user; the working frequency bands of the first network and the second network are different, and the first network and the second network do not share a core network;
if the base station does not receive the corresponding measurement report reported by the SPID user within the preset time after the pilot frequency measurement control instruction is issued, the base station informs the SPID user to stop the corresponding pilot frequency measurement, and then periodically issues the pilot frequency measurement control instruction to the SPID user according to a preset redirection period until the measurement report of the SPID user is received;
and after receiving the pilot frequency measurement report of the SPID user, the base station triggers the SPID user to access the pilot frequency point when determining that the core network to which the corresponding pilot frequency point belongs is not communicated with the core network to which the current service carrier belongs.
Preferably, the local measurement control commands are A1 and A2 measurement control commands, including an A1 measurement control threshold, an A2 measurement control threshold and a measurement control offset.
Preferably, the pilot frequency measurement control command is a GAP measurement and a4 measurement control command.
Preferably, the processor is specifically configured to: when determining that a core network to which a corresponding pilot frequency point belongs is not communicated with a core network to which a current service carrier belongs, triggering the SPID user to access the pilot frequency point, wherein the steps comprise:
the base station sends a switching request to a core network so as to switch to a pilot frequency point corresponding to the pilot frequency measurement report;
the base station informs the SPID user to access the pilot frequency point through redirection carrier information carried by RRC connection release information according to the switching failure information fed back by the core network; and the switching failure reason carried by the switching failure message is that the switching target carrier is unknown.
Preferably, the operating frequency band of the first network is 1.4G, and the operating frequency band of the second network is 1.8G.
Preferably, the second network is provided by a communication vehicle.
A non-transitory computer readable storage medium storing instructions which, when executed by a processor, cause the processor to perform the steps of the method of private mesh controlling ball resident carrier selection as described above.
An electronic device comprising a non-volatile computer-readable storage medium as described above, and the processor having access to the non-volatile computer-readable storage medium.
According to the technical scheme, the resident carrier selection method and the resident carrier selection equipment can meet the requirement that a specific SPID user preferentially accesses to a second network which does not share a core network with a first network.
Drawings
FIG. 1 is a schematic flow chart of a method according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is further described in detail below by referring to the accompanying drawings and examples.
Fig. 1 is a schematic flow chart of a camping carrier selecting method according to an embodiment of the present invention, and as shown in fig. 1, the method includes:
It should be noted that, in the existing system, a user configures an SPID for the user when signing up, where the SPID user is a user identified based on the SPID, where the specified SPID is the SPID that the SPID user that needs to preferentially access to the second network has, so that the SPID user that needs to preferentially access to the second network can be found by identifying the SPID, and then the solution is adopted for these users to select the camping carrier, so as to meet the above requirements of these users.
In this step, when the SPID user is initially established in the service carrier of the first network, if the redirection function and the pilot frequency switching function of the SPID user are both on, the base station needs to send a local area measurement control instruction to the SPID user, so that when the SPID user knows that the base station currently meets the pilot frequency measurement condition through a local area measurement report, the SPID user is triggered to perform pilot frequency measurement by sending the pilot frequency measurement control instruction, and then when the pilot frequency point is available, the SPID user is triggered to access the second network.
Preferably, the local measurement control commands are A1 and A2 measurement control commands, including an A1 measurement control threshold, an A2 measurement control threshold and a measurement control offset.
In practical application, the threshold for triggering the a1 measurement and the threshold for the a2 measurement should be obtained by adding the a1 measurement control threshold and the a2 measurement control threshold to the measurement control bias, respectively. Other parameters of the a1 measurement and the a2 measurement employ coverage-based inter-frequency handover parameters.
102, when the base station knows that the pilot frequency measurement condition is currently met according to a local measurement report reported by the SPID user, issuing a pilot frequency measurement control instruction for measuring a frequency point used by a second network to the SPID user; the working frequency bands of the first network and the second network are different, and the first network and the second network do not share a core network.
In this step, when the base station learns that the pilot frequency measurement condition is currently satisfied according to the local measurement report reported by the SPID user, it is necessary to issue a pilot frequency measurement control instruction for measuring a frequency point used by a second network to the SPID user, so that the SPID user can preferentially access to the communication vehicle.
Preferably, the pilot frequency measurement control command may specifically be a GAP measurement control command and an a4 measurement control command.
In practical application, after receiving an a2 measurement report, the eNB issues GAP and a4 related pilot frequency measurement control, and the pilot frequency point selects to find the frequency point filtering in the MO "ratefprioritygroup" associated with the SPIDCFG according to the SPID value of the UE issued by the core network, and filters out the frequency points not in the "rateqprioritygroup", that is, the pilot frequency points that are finally issued. The pilot frequency measurement related parameter configuration adopts the current coverage-based pilot frequency switching parameter configuration.
Preferably, the operating frequency band of the first network may be 1.4G, and the operating frequency band of the second network may be 1.8G. Further, the second network is provided by a communication vehicle. Therefore, under the scene that a 1.4G large network and a 1.8G communication vehicle networking exist in a private network, when a 1.8G communication vehicle covers the private network, the terminal device (a deployment control ball) used by the SPID user can be triggered to access the 1.8G communication vehicle from 1.4G.
In this step, considering that the long-time measurement may cause the user throughput loss in the scenario where the second network coverage is poor, here, when the base station does not receive the corresponding measurement report reported by the SPID user within the preset time after issuing the pilot frequency measurement control instruction, the SPID user is notified to stop the corresponding pilot frequency measurement, so as to avoid the user throughput loss caused by the long-time measurement.
The preset time can be set by a person skilled in the art according to actual needs, and may be, for example, 3 seconds, but is not limited thereto.
In this step, after the SPID user is notified to stop the corresponding pilot frequency measurement, in order to enable the SPID user to preferentially access the second network when the coverage status of the second network is improved, it is necessary to periodically issue the pilot frequency measurement control command to the SPID user according to a preset redirection period until the measurement report of the SPID user is received.
The redirection period can be set by a person skilled in the art according to actual needs, and preferably, the value range is 0 to 600s, but is not limited thereto.
And 104, after receiving the pilot frequency measurement report of the SPID user, when determining that the core network to which the corresponding pilot frequency point belongs is not communicated with the core network to which the current service carrier belongs, the base station triggers the SPID user to access the pilot frequency point.
In this step, when the base station determines that the core network to which the corresponding pilot frequency point belongs is not connected with the core network to which the current service carrier belongs, the base station triggers the SPID user to access the pilot frequency point, so that the effect of directly accessing the second network without passing through the core network is achieved, and the problem that the RRC connection state of a specific terminal does not support carrier selection under cross-core network switching when the second network and the first network do not share the core network is effectively solved.
Here, after receiving the pilot frequency measurement report of the SPID user, the base station initiates a HANDOVER request (HANDOVER request) to the core network through the S1 port, and since the two core networks are not connected, the core network replies HANDOVER PREPARATION FAILURE (HANDOVER prepare FAILURE) and carries a cause value of unknown HANDOVER target carrier (unknown), at this time, the base station selects the pilot frequency point corresponding to the measurement report, and notifies the SPID user to access the pilot frequency point through a redirection carrier message (redirection information) in an RRC connection release message (RRCConnectionRelease). The specific implementation process of the step is as follows:
the base station sends a switching request to a core network so as to switch to a pilot frequency point corresponding to the pilot frequency measurement report; the base station informs the SPID user to access the pilot frequency point through redirection carrier information carried by RRC connection release information according to the switching failure information fed back by the core network; and the switching failure reason carried by the switching failure message is that the switching target carrier is unknown.
Corresponding to the above method embodiment, the present application provides a camping carrier selecting device, where the device is disposed in a base station, and includes: a processor to:
when an SPID user with a specified user file code SPID initially establishes a service carrier, if the redirection function and the pilot frequency switching function of the SPID user are both started, a local area measurement control instruction is issued to the SPID user; the service carrier is a carrier resource of a first network;
when the fact that the current pilot frequency measurement condition is met is known according to the local area measurement report reported by the SPID user, a pilot frequency measurement control instruction for measuring the frequency point used by the second network is issued to the SPID user; the working frequency bands of the first network and the second network are different, and the first network and the second network do not share a core network;
if the base station does not receive the corresponding measurement report reported by the SPID user within the preset time after the pilot frequency measurement control instruction is issued, the base station informs the SPID user to stop the corresponding pilot frequency measurement, and then periodically issues the pilot frequency measurement control instruction to the SPID user according to a preset redirection period until the measurement report of the SPID user is received;
and after receiving the pilot frequency measurement report of the SPID user, the base station triggers the SPID user to access the pilot frequency point when determining that the core network to which the corresponding pilot frequency point belongs is not communicated with the core network to which the current service carrier belongs.
Preferably, the local measurement control commands are A1 and A2 measurement control commands, including an A1 measurement control threshold, an A2 measurement control threshold and a measurement control offset.
Preferably, the pilot frequency measurement control command is a GAP measurement and a4 measurement control command.
Preferably, the processor is specifically configured to: when determining that a core network to which a corresponding pilot frequency point belongs is not communicated with a core network to which a current service carrier belongs, triggering the SPID user to access the pilot frequency point, wherein the steps comprise:
the base station sends a switching request to a core network so as to switch to a pilot frequency point corresponding to the pilot frequency measurement report;
the base station informs the SPID user to access the pilot frequency point through redirection carrier information carried by RRC connection release information according to the switching failure information fed back by the core network; and the switching failure reason carried by the switching failure message is that the switching target carrier is unknown.
Preferably, the operating frequency band of the first network is 1.4G, and the operating frequency band of the second network is 1.8G.
Preferably, the second network is provided by a communication vehicle.
The present application also provides a non-transitory computer-readable storage medium storing instructions that, when executed by a processor, cause the processor to perform the steps of the method for personal mesh controlling ball park carrier selection as described above.
Further, the present application provides an electronic device comprising the non-volatile computer-readable storage medium as described above, and the processor having access to the non-volatile computer-readable storage medium.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the scope of protection of the present application.
Claims (12)
1. A method for camping carrier selection, comprising:
when a service carrier is initially established by an SPID user with a specified user file code SPID, if the redirection function and the pilot frequency switching function of the SPID user are both started, a local area measurement control instruction is issued to the SPID user by a base station; the service carrier is a carrier resource of a first network; the appointed SPID is the SPID which is possessed by the SPID user needing to be preferentially accessed to the second network;
when the base station learns that the different frequency measurement condition is currently met according to the local measurement report reported by the SPID user, the base station issues a different frequency measurement control instruction for measuring the frequency point used by the second network to the SPID user; the working frequency bands of the first network and the second network are different, and the first network and the second network do not share a core network; the pilot frequency point sent by the pilot frequency measurement control command is a frequency point in a system frequency point priority configuration group RATFREQPRIORITYGROUP associated with SPID configuration SPIDCFG found according to the SPID value of the SPID user sent by a core network;
if the base station does not receive the corresponding measurement report reported by the SPID user within the preset time after the pilot frequency measurement control instruction is issued, the base station informs the SPID user to stop the corresponding pilot frequency measurement, and then periodically issues the pilot frequency measurement control instruction to the SPID user according to a preset redirection period until the measurement report of the SPID user is received;
after receiving the pilot frequency measurement report of the SPID user, the base station triggers the SPID user to access the pilot frequency point when determining that a core network to which the corresponding pilot frequency point belongs is not communicated with a core network to which the current service carrier belongs, wherein the step of triggering the SPID user to access the pilot frequency point comprises the step that the base station sends a switching request to the core network to switch to the pilot frequency point corresponding to the pilot frequency measurement report; the base station informs the SPID user to access the pilot frequency point through redirection carrier information carried by RRC connection release information according to the switching failure information fed back by the core network; and the switching failure reason carried by the switching failure message is that the switching target carrier is unknown.
2. The method of claim 1, wherein: the local measurement control command is A1 and A2 measurement control commands, and comprises an A1 measurement control threshold, an A2 measurement control threshold and a measurement control offset.
3. The method of claim 1, wherein: the pilot frequency measurement control command is a GAP measurement control command and an A4 measurement control command.
4. The method of claim 1, wherein: the working frequency range of the first network is 1.4G, and the working frequency range of the second network is 1.8G.
5. The method of claim 1, wherein: the second network is provided by a communication vehicle.
6. A camping carrier selecting apparatus, provided in a base station, comprising: a processor to:
when an SPID user with a specified user file code SPID initially establishes a service carrier, if the redirection function and the pilot frequency switching function of the SPID user are both started, a local area measurement control instruction is issued to the SPID user; the service carrier is a carrier resource of a first network; the appointed SPID is the SPID which is possessed by the SPID user needing to be preferentially accessed to the second network;
when the fact that the current pilot frequency measurement condition is met is known according to the local area measurement report reported by the SPID user, a pilot frequency measurement control instruction for measuring the frequency point used by the second network is issued to the SPID user; the working frequency bands of the first network and the second network are different, and the first network and the second network do not share a core network; the pilot frequency point sent by the pilot frequency measurement control command is a frequency point in a system frequency point priority configuration group RATFREQPRIORITYGROUP associated with SPID configuration SPIDCFG found according to the SPID value of the SPID user sent by a core network;
if the base station does not receive the corresponding measurement report reported by the SPID user within the preset time after the pilot frequency measurement control instruction is issued, the base station informs the SPID user to stop the corresponding pilot frequency measurement, and then periodically issues the pilot frequency measurement control instruction to the SPID user according to a preset redirection period until the measurement report of the SPID user is received;
after receiving the pilot frequency measurement report of the SPID user, the base station triggers the SPID user to access the pilot frequency point when determining that a core network to which the corresponding pilot frequency point belongs is not communicated with a core network to which the current service carrier belongs, wherein the step of triggering the SPID user to access the pilot frequency point comprises the step that the base station sends a switching request to the core network to switch to the pilot frequency point corresponding to the pilot frequency measurement report; the base station informs the SPID user to access the pilot frequency point through redirection carrier information carried by RRC connection release information according to the switching failure information fed back by the core network; and the switching failure reason carried by the switching failure message is that the switching target carrier is unknown.
7. The apparatus of claim 6 wherein the local measurement control commands are A1 and A2 measurement control commands including an A1 measurement control threshold, an A2 measurement control threshold, and a measurement control offset.
8. The apparatus of claim 6, wherein: the pilot frequency measurement control command is a GAP measurement control command and an A4 measurement control command.
9. The apparatus of claim 6, wherein: the working frequency range of the first network is 1.4G, and the working frequency range of the second network is 1.8G.
10. The apparatus of claim 6, wherein: the second network is provided by a communication vehicle.
11. A non-transitory computer readable storage medium storing instructions that, when executed by a processor, cause the processor to perform the steps of the camping carrier selection method of any of claims 1-5.
12. An electronic device comprising the non-volatile computer-readable storage medium of claim 11, and the processor having access to the non-volatile computer-readable storage medium.
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