CN102595557B - Method and device for managing users to access communication network - Google Patents
Method and device for managing users to access communication network Download PDFInfo
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- CN102595557B CN102595557B CN201210074513.8A CN201210074513A CN102595557B CN 102595557 B CN102595557 B CN 102595557B CN 201210074513 A CN201210074513 A CN 201210074513A CN 102595557 B CN102595557 B CN 102595557B
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Abstract
The invention relates to the technical field of communication and discloses a method and a device for managing users to access a communication network. The method includes: detecting bearing information of accessed users, and the information comprises quantity of wireless resource blocks covered by bearing of each accessed user of a communication system and all borne service quality information; and determining whether the system can not be accessed by any user any more, and if the system can not be accessed by any user any more, indicating information is sent and used for prohibiting access of user terminals before a base station receives bearing building information. By means of the technical scheme, under the condition that the communication network system does not allow any new user to access, refusing of user access requests is quickened, and waste of signaling resource is reduced.
Description
Technical field
The present invention relates to communication technical field, be specifically related to a kind of method and device of leading subscriber access communications network.
Background technology
In wireless communication system, the service quality that how to ensure each access user is a crucial technology, conventionally adopts and controls new user's access communication system, with the user's that ensures to have accessed service quality in prior art.
Control procedure, in base station one side processing, determines whether allowing new user's access according to the situation of cell load conventionally.Operation principle is first according to measuring current communication system wireless resource utility efficiency, and then will additionally take how many resources after predicting new user's access, by both sums and default thresholding comparison, if lower than thresholding, allow user to access, otherwise refusal.Implementation procedure as shown in Figure 1, comprises the following steps:
101, between user terminal (User Equipment, UE) and base station, set up Radio Resource control (Radio Resource Control, RRC) and connect, after user terminal is responded in base station, RRC has connected;
102, user terminal initiatively initiating business request (Service Request) or receive network side downlink data arrival notice after initiating business request to Mobility Management Entity (Mobility Management Entity, MME);
103, Mobility Management Entity is received after the service request of user terminal, sends user's bearer setup message to base station;
104, access control is carried out according to resource utilization after receiving user's bearer setup message in base station, and if any enough resources, user allows access communication system otherwise refusal user access;
105, as allowed user's access, set up relevant wireless user's carrying.
In said method, base station receives that user's bearer setup message judged whether that enough Radio Resources can hold new user afterwards, and then determines that can new user connecting system.But very serious in system wireless resource load, and not having any resource can be by the situation that newly user seize, at this moment any user's access request can not be allowed to, and at this moment all new users' carrying request still all will send to base station to allow base station go to adjudicate access, so just cause the waste of signal resource, increased system signaling expense.
Summary of the invention
For above-mentioned defect, the invention provides a kind of leading subscriber access communications network method and device, be used for, in the situation that current system Radio Resource loading condition has not been allowed any new user's access, accelerating refusal user access request, reduce the waste of signal resource.
Technical scheme of the present invention is a kind of method of leading subscriber access communications network, and following steps are carried out in base station,
Step 1, detects user's beared information of access communications network;
Step 2, detects gained user beared information according to step 1, determines that whether communication network cannot access new user terminal again, if perform step 3, performs step 4 if not;
Step 3, sends indication information A, just forbids the access of user terminal by indication information A before user's bearer setup message is received in base station;
Step 4, sends indication information B, cancels the access of forbidding user terminal before user's bearer setup message is received in base station by indication information A.
And, in step 3, send indication information A to base station itself, according to indication information A prompting, user terminal access communications network, in the time receiving the wireless resource control connection request of user terminal, is forbidden in base station.
Or, in step 3, sending indication letter A to Mobility Management Entity, Mobility Management Entity, in the time receiving the service request of user terminal transmission, is forbidden user terminal access communications network.
Or in step 3, broadcast transmission indication information A is to all user terminals in communication network coverage, informing user terminal is no longer asked access communications network.
And user's beared information described in step 1, comprises that each user of access communications network has been carried shared respectively Resource Block quantity, and the quality of service information of each user carrying; Described quality of service information, comprises guarantee bit rate and priority parameters that user is carried; In step 2, determine whether communication network cannot access new user terminal again, and implementation is as follows,
Step 2.1, calculate the user of access communications network and carry the Resource Block quantity that takies and the ratio of communication network total resources number of blocks, judge whether ratio is less than default threshold value X, X≤1, be to enter step 2.2, otherwise determine that communication network cannot access new user terminal again;
Step 2.2, whether the transmission rate that judges each user's carrying reaches guarantee bit rate separately, calculating transmission rate does not reach and ensures that user's carrying of bit rate accounts for the ratio of all users' carryings, judge whether ratio is less than default threshold value Y, be to determine that communication network support accesses new user terminal, otherwise enter step 2.3;
Step 2.3, if communication network not support resource seize, determine that communication network cannot access new user terminal again;
If communication network support resource is seized, judge whether the priority parameters of user's carrying of access communications network is all the highest, is to determine that communication network cannot access new user terminal again, otherwise determine that communication network support accesses new user terminal.
The present invention also correspondingly provides a kind of device of leading subscriber access communications network, comprises the detecting unit, determining unit and the transmitting element that connect successively,
Detecting unit, for detection of user's beared information of access communications network, the user's beared information detecting input determining unit;
Determining unit, determines for the user's beared information detecting according to detecting unit whether communication network cannot access new user terminal again, result input transmitting element;
Transmitting element, at determining unit acquired results being communication network cannot access again new user terminal time, sends indication information A, forbids the access of user terminal before bearer setup message is received in base station; Be communication network support while accessing new user terminal at determining unit acquired results, send indication information B, cancel the access of forbidding user terminal before bearer setup message is received in base station.
And transmitting element sends indication information A to base station itself, according to indication information A prompting, user terminal access communications network, in the time receiving the wireless resource control connection request of user terminal, is forbidden in base station.
Or transmitting element sends indication information A to Mobility Management Entity, Mobility Management Entity, in the time receiving the service request of user terminal transmission, is forbidden user terminal access communications network.
Or transmitting element broadcast transmission indication information A is to all user terminals in communication network coverage, informing user terminal is no longer asked access communications network.
And user's beared information that detecting unit detects, comprises that each user of access communications network is carried shared respectively Resource Block quantity, and the quality of service information of each user carrying; Described quality of service information, comprises guarantee bit rate and priority parameters that user is carried; Determining unit is carried out following steps,
Step 2.1, calculate the user of access communications network and carry the Resource Block quantity that takies and the ratio of communication network total resources number of blocks, judge whether ratio is less than default threshold value X, X≤1, be to enter step 2.2, otherwise determine that communication network cannot access new user terminal again;
Step 2.2, whether the transmission rate that judges each user's carrying reaches guarantee bit rate separately, calculating transmission rate does not reach and ensures that user's carrying of bit rate accounts for the ratio of all users' carryings, judge whether ratio is less than default threshold value Y, be to determine that communication network support accesses new user terminal, otherwise enter step 2.3;
Step 2.3, if system not support resource seize, determine that communication network cannot access new user terminal again;
If system support resource is seized, judge whether the priority parameters of user's carrying of access communications network is all the highest, is to determine that communication network cannot access new user terminal again, otherwise determine that communication network support accesses new user terminal.
In technical solution of the present invention, the equipment of leading subscriber access communications network can detect access bearer information, and after definite system cannot access user, sends indication information for forbade the access of user terminal before bearer setup message is received in base station.Compared with prior art, technical solution of the present invention without etc. base station receive and refuse again user's access after bearer setup message, thereby can accelerate to refuse user's request; In addition, in technical solution of the present invention, refuse user and access without carrying out after bearer setup message is received in base station, thereby can reduce the expense of system signaling, reduce the waste of signal resource.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the leading subscriber access communications network method of prior art;
Fig. 2 provides the scene schematic diagram of leading subscriber access communications network method for the embodiment of the present invention;
The leading subscriber access communications network method flow schematic diagram that Fig. 3 provides for the embodiment of the present invention;
Access implementation one schematic flow sheet of forbidding user terminal that Fig. 4 provides for the embodiment of the present invention;
Access implementation two schematic flow sheets of forbidding user terminal that Fig. 5 provides for the embodiment of the present invention;
Access implementation three schematic flow sheets of forbidding user terminal that Fig. 6 provides for the embodiment of the present invention;
The structural representation of the leading subscriber access communications network device that Fig. 7 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is removed, intactly described.Based on the embodiment in the present invention, those of ordinary skill in the art, not making all other embodiment that obtain under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention provides a kind of leading subscriber access communications network method and apparatus, for do not allowed any new user access at current system Radio Resource loading condition in the situation that, accelerates refusal user access request, reduces the waste of signal resource.Below be elaborated.
Before introducing the leading subscriber access communications network method that the embodiment of the present invention provides, first the embodiment of the present invention is described and is a kind ofly applicable to the embodiment of the present invention scene of leading subscriber access communications network method is provided, this scene as shown in Figure 2, multiple user terminals under base station, are connected with, do not have unnecessary resource can offer new user, at this moment just need base station to carry out user access administration, refuse new customer service request, to ensure the service quality of other accessed terminal.
Below, the embodiment of the present invention, in connection with the described scene of above-mentioned Fig. 2, is introduced a kind of leading subscriber access communications network method that the embodiment of the present invention provides in detail, and the method can be forbidden user's access communications network again before bearer setup message is received in base station.The schematic flow sheet of a kind of leading subscriber access communications network method that Fig. 3 provides for the embodiment of the present invention, is applied in the described scene of similar Fig. 2.Wherein, the method can comprise the following steps:
301, detect user's beared information of access communications network.The concrete information content detecting is with to judge whether system cannot access any new user's mode more relevant, and the information in embodiment comprises that each user of access communication system carries the quality of service information that shared Resource Block quantity and each user are carried.
Wherein the quality of service information of user's carrying comprises guarantee bit rate (Guaranteed Bit Rate, GBR) and the priority parameters that user is carried.Testing process can periodically be carried out in base station.
302, determine that according to detecting step 301 gained user beared informations whether communication network cannot access new user terminal again, if so, performs step 303; If not, perform step 304.
Concrete, can first calculate access bearer has taken Resource Block quantity and the ratio of total resources number of blocks by base station, if ratio is more than or equal to a default threshold value or directly equals 1, be to determine that the Radio Resource load of communications network system is very serious; Otherwise the transmission rate of seeing again each carrying is no guaranteed rate being greater than separately all.If have the transmission rate of part carrying not reach guaranteed rate, can determine that the Radio Resource load of system is very serious.
If system not support resource is seized, at this moment just can determine that system cannot access new user again.
If system support resource is seized, also to judge the priority parameters of access bearer, if the priority of access bearer is all the highest, represent that occupied resource can not seized by new user, at this moment can determine that system cannot access new user again.
If the system of can not determine cannot access new user, represent that system can also attempt new user's access.
The corresponding flow process that embodiment adopts is as follows:
Step 2.1, calculate the user of access communications network and carry the Resource Block quantity that takies and the ratio of communication network total resources number of blocks, judge whether ratio is less than default threshold value X, X≤1, be to enter step 2.2, otherwise determine that communication network cannot access new user terminal again;
Step 2.2, whether the transmission rate that judges each user's carrying reaches guarantee bit rate separately, calculating transmission rate does not reach and ensures that user's carrying of bit rate accounts for the ratio of all users' carryings, judge whether ratio is less than default threshold value Y, be to determine that communication network support accesses new user terminal, otherwise enter step 2.3;
Step 2.3, if system not support resource seize, determine that communication network cannot access new user terminal again;
If system support resource is seized, judge whether the priority parameters of user's carrying of access communications network is all the highest, is to determine that communication network cannot access new user terminal again, otherwise determine that communication network support accesses new user terminal.
The embodiment of the present invention is follow-up to be related to the method whether fixed system really cannot access any new user again and can adopt above-mentioned execution mode to realize, and in subsequent embodiment, just no longer repeats.
303, send indication information, this indication information, for just forbade the access of user terminal before user's bearer setup message is received in base station, is designated as indication information A.
In the embodiment of the present invention, base station can own forbid that according to this indication information user accesses, and can also send this indication information to all user terminals in mobile management entity or community and be used for forbidding that user accesses.
304, send indication information, this indication information, for cancelling the access of just forbidding user terminal before user's bearer setup message is received in base station, is designated as indication information B.
When concrete enforcement, be generally to carry out and detect user's beared information of access communications network according to setting cycle, judge whether to forbid the access of user terminal, to adjust in real time according to network condition.Can set, after execution step 303 and step 304, after wait predetermined time, return to execution step 301.For the purpose of economizing on resources, the execution mode that step 304 can adopt is, first judges the last round of indication information A that whether sends, and is to send indication information B, otherwise do not send indication information B.Because do not send indication information A before, communication network support accesses new user terminal, keeps this state.
In the embodiment of the present invention, base station can ownly be cancelled and forbid that user accesses according to this indication information, can also send this indication information to all user terminals in mobile management entity or community and forbid that for cancelling user accesses.The specific implementation of these three kinds of modes is described as follows:
(1) send indication information A to base station itself, according to indication information A prompting, user terminal access communications network, in the time receiving the wireless resource control connection request of user terminal, is forbidden in base station.As shown in Figure 4, the idiographic flow of this mode can comprise the following steps:
401, user's beared information of access communication system is detected in base station, determines system access user again, produces indication information A;
402, user terminal will ask to set up Radio Resource control (Radio Resource Control, RRC) connection with base station;
403, user's RRC connection request, according to the prompting of indication information A, is directly refused in base station, forbids user terminal access.
In the leading subscriber access communications network method that the embodiment of the present invention provides, base station confirms that system can not access in any new user's situation again, directly in the time receiving user terminal RRC connection request, just refuse user's access, thereby can accelerate to refuse user's access request; In addition, in the leading subscriber access communications network method that the embodiment of the present invention provides, without refusing again user's access after receiving bearer setup message in base station, thereby can reduce the expense of system signaling, reduce the waste of signal resource.
(2) send indication information A to Mobility Management Entity, Mobility Management Entity, in the time receiving the service request of user terminal transmission, is forbidden user terminal access communications network.As shown in Figure 5, the idiographic flow of this mode can comprise the following steps:
501, between user terminal and base station, set up RRC and be connected, RRC has connected;
502, user's beared information of access communication system is detected in base station, determines system access user again, produces indication information;
503, base station sends indication information A to Mobility Management Entity, and information is privately owned signaling or RRC signaling, and the embodiment of the present invention does not limit;
504, user terminal initiating business request, the request of receiving is directly forwarded to Mobility Management Entity by base station;
505, Mobility Management Entity, according to the prompting of indication information, is refused the service request of user's access.
In mode shown in Fig. 5, base station confirms that system can not access in any new user's situation again, notifies Mobility Management Entity with indication information, just refuses user's access in the time receiving teleservice request, thereby can accelerate to refuse user's access request; In addition, in the leading subscriber access communications network method that the embodiment of the present invention provides, without refusing again user's access after receiving bearer setup message in base station, thereby can reduce the expense of system signaling, reduce the waste of signal resource.
(3) broadcast transmission indication information A is to all user terminals in communication network coverage, and informing user terminal is no longer asked access communications network.As shown in Figure 5, the idiographic flow of this mode can comprise the following steps:
601, user's beared information of access communication system is detected in base station, determines system access user again, produces indication information;
602, broadcast indication information A base station to all users in its covering;
603, user receives after broadcast, no longer attempts to connect with base station, realizes leading subscriber access at user terminal.
In mode shown in Fig. 6, base station confirms that system can not access in any new user's situation again, and broadcast indication information is notified all user terminals, and user receives after broadcast, no longer attempts to connect with base station, thereby can accelerate to refuse user's access request; In addition, in the leading subscriber access communications network method that the embodiment of the present invention provides, without refusing again user's access after receiving bearer setup message in base station, thereby can reduce the expense of system signaling, reduce the waste of signal resource.
The specific implementation that sends indication information B is corresponding with the specific implementation that sends indication information A, sends indication information A forbids user terminal access itself to base station, and itself cancels the access of forbidding user terminal to base station to send indication information B; Send indication information A forbids user terminal access to Mobility Management Entity, send indication information B and cancel the access of forbidding user terminal to Mobility Management Entity; Send indication information A forbids user terminal access to the interior all user terminals of communication network coverage, send indication information B and cancel to the interior all user terminals of communication network coverage the access of forbidding user terminal.
Refer to Fig. 7, the structural representation of a kind of leading subscriber access communications network device that Fig. 7 provides for the embodiment of the present invention, be applied to and be similar in the described scene of Fig. 2, this device is arranged in base station, and wherein device can comprise the inspection unit 701, determining unit 702 and the transmitting element 703 that connect successively;
Detecting unit 701, for detection of user's beared information of access communications network, the user's beared information detecting input determining unit 702;
Determining unit 702, determines for the user's beared information detecting according to detecting unit 701 whether communication network cannot access new user terminal again, result input transmitting element;
Transmitting element 703, at determining unit 702 acquired results being communication network cannot access again new user terminal time, sends indication information A, forbids the access of user terminal before bearer setup message is received in base station; Be communication network support while accessing new user terminal at determining unit acquired results, send indication information B, cancel the access of forbidding user terminal before bearer setup message is received in base station.As an optional execution mode, in the embodiment of the present invention, transmitting element 703 can be determined cannot access any new user time in system, send Indication message to base station, mobile management entity or user terminal.Base station, mobile management entity or user terminal can be refused according to indication information user's access:
When transmitting element sends indication information A to base station itself, according to indication information prompting, user terminal access communications network, in the time receiving the wireless resource control connection request of user terminal, is forbidden in base station.
When transmitting element sends indication information A to Mobility Management Entity, Mobility Management Entity, in the time receiving the service request of user terminal transmission, is forbidden user terminal access communications network.
Transmitting element broadcast transmission indication information A is in communication network coverage when all user terminals, and directly informing user terminal is no longer asked access communications network.
For the purpose of economizing on resources, transmitting element 703 can be communication network support while accessing new user terminal at determining unit acquired results, first before judgement, whether has sent indication information A, is to send indication information B, otherwise does not send indication information B.The specific implementation that sends indication information B is corresponding with the specific implementation that sends indication information A.
As an optional execution mode, in the embodiment of the present invention, determining unit 702 is for calculating access bearer has taken Resource Block quantity and the ratio of total resources number of blocks, if ratio is more than or equal to a default threshold value or directly equals 1, then the transmission rate of seeing each carrying is no guaranteed rate being greater than separately all.If have the transmission rate of part carrying not reach guaranteed rate, can determine that the Radio Resource load of system is very serious.If system not support resource is seized, at this moment just can determine that system cannot access new user again.If system support resource is seized, also to judge the priority parameters of access bearer, if the priority of access bearer is all the highest, represent that occupied resource can not seized by new user, at this moment can determine that system cannot access new user again.If the system of can not determine cannot access new user, represent that system can also attempt new user's access.When concrete enforcement, can adopt software modularity designing technique to realize determining unit 702, determining unit 702 performs step 2.1～2.3 in the time of work, as described in method part.
In a kind of leading subscriber access communications network device providing at Fig. 7, detecting unit 701 can detect access bearer information, and after determining unit 702 determines that system cannot access user, the indication information that transmitting element 703 sends can be forbidden the access of user terminal before bearer setup message is received in base station.Compared with prior art, the embodiment of the present invention without etc. base station receive and refuse again user's access after bearer setup message, thereby can accelerate to refuse user's request; In addition, in the embodiment of the present invention, refuse user and access without carrying out after bearer setup message is received in base station, thereby can reduce the expense of system signaling, reduce the waste of signal resource.
The method and apparatus of the leading subscriber access communications the network above embodiment of the present invention being provided is described in detail, applied specific case herein principle of the present invention and way of example are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof; , for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention meanwhile.
Claims (2)
1. a method for leading subscriber access communications network, is characterized in that: following steps are carried out in base station:
Step 1, detects user's beared information of access communications network, and described user's beared information comprises that each user of access communications network is carried shared respectively Resource Block quantity, and the quality of service information of each user carrying; Described quality of service information, comprises guarantee bit rate and priority parameters that user is carried;
Step 2, detects gained user beared information according to step 1, determines that whether communication network cannot access new user terminal again, if perform step 3, performs step 4 if not;
The implementation whether described definite communication network cannot access new user terminal again comprises the steps:
Step 2.1, calculate the user of access communications network and carry the Resource Block quantity that takies and the ratio of communication network total resources number of blocks, judge whether ratio is less than default threshold value X, X≤1, be to enter step 2.2, otherwise determine that communication network cannot access new user terminal again;
Step 2.2, whether the transmission rate that judges each user's carrying reaches guarantee bit rate separately, calculating transmission rate does not reach and ensures that user's carrying of bit rate accounts for the ratio of all users' carryings, judge whether ratio is less than default threshold value Y, be to determine that communication network support accesses new user terminal, otherwise enter step 2.3;
Step 2.3, if communication network not support resource seize, determine that communication network cannot access new user terminal again;
If communication network support resource is seized, judge whether the priority parameters of user's carrying of access communications network is all the highest, is to determine that communication network cannot access new user terminal again, otherwise determine that communication network support accesses new user terminal;
Step 3, sends indication information A, just forbids the access of user terminal by indication information A before user's bearer setup message is received in base station, and implementation is one of following three kinds:
Send indication information A to base station itself, according to indication information A prompting, user terminal access communications network, in the time receiving the wireless resource control connection request of user terminal, is forbidden in base station;
Send indication letter A to Mobility Management Entity, Mobility Management Entity, in the time receiving the service request of user terminal transmission, is forbidden user terminal access communications network;
Broadcast transmission indication information A is to all user terminals in communication network coverage, and informing user terminal is no longer asked access communications network;
Step 4, sends indication information B, cancels the access of forbidding user terminal before user's bearer setup message is received in base station by indication information B.
2. a device for leading subscriber access communications network, is characterized in that: comprise the detecting unit, determining unit and the transmitting element that connect successively,
Detecting unit, for detection of user's beared information of access communications network, the user's beared information detecting input determining unit; User's beared information that detecting unit detects, comprises that each user of access communications network is carried shared respectively Resource Block quantity, and the quality of service information of each user carrying; Described quality of service information, comprises guarantee bit rate and priority parameters that user is carried;
Determining unit, determines for the user's beared information detecting according to detecting unit whether communication network cannot access new user terminal again, result input transmitting element; The implementation whether described definite communication network cannot access new user terminal again comprises the steps:
Step 2.1, calculate the user of access communications network and carry the Resource Block quantity that takies and the ratio of communication network total resources number of blocks, judge whether ratio is less than default threshold value X, X≤1, be to enter step 2.2, otherwise determine that communication network cannot access new user terminal again;
Step 2.2, whether the transmission rate that judges each user's carrying reaches guarantee bit rate separately, calculating transmission rate does not reach and ensures that user's carrying of bit rate accounts for the ratio of all users' carryings, judge whether ratio is less than default threshold value Y, be to determine that communication network support accesses new user terminal, otherwise enter step 2.3;
Step 2.3, if system not support resource seize, determine that communication network cannot access new user terminal again;
If system support resource is seized, judge whether the priority parameters of user's carrying of access communications network is all the highest, is to determine that communication network cannot access new user terminal again, otherwise determine that communication network support accesses new user terminal;
Transmitting element, at determining unit acquired results being communication network cannot access again new user terminal time, sends indication information A, forbids the access of user terminal before bearer setup message is received in base station; Be communication network support while accessing new user terminal at determining unit acquired results, send indication information B, cancel the access of forbidding user terminal before bearer setup message is received in base station;
Described transmission indication information A forbade the access of user terminal before bearer setup message is received in base station, and implementation is one of following three kinds:
Send indication information A to base station itself, according to indication information A prompting, user terminal access communications network, in the time receiving the wireless resource control connection request of user terminal, is forbidden in base station;
Send indication letter A to Mobility Management Entity, Mobility Management Entity, in the time receiving the service request of user terminal transmission, is forbidden user terminal access communications network;
Broadcast transmission indication information A is to all user terminals in communication network coverage, and informing user terminal is no longer asked access communications network.
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| CN106993324B (en) * | 2016-01-20 | 2020-07-07 | 中兴通讯股份有限公司 | Cell selection method and device |
| CN107094046B (en) * | 2017-05-24 | 2020-07-07 | 熊猫电子集团有限公司 | Satellite communication method for network suppression triggered by slave station |
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| CN101651975A (en) * | 2008-08-15 | 2010-02-17 | 华为技术有限公司 | Method, system and device for controlling access of user equipment |
| CN102170676A (en) * | 2011-04-20 | 2011-08-31 | 上海华为技术有限公司 | Method, device and system for access control |
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| CN101651975A (en) * | 2008-08-15 | 2010-02-17 | 华为技术有限公司 | Method, system and device for controlling access of user equipment |
| CN102170676A (en) * | 2011-04-20 | 2011-08-31 | 上海华为技术有限公司 | Method, device and system for access control |
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