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31results about How to "Guarantee business service quality" patented technology
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Method and device for ensuring business service quality
InactiveCN101646196AReduce congestionReduce available bandwidthNetwork traffic/resource managementDistributed computingDelay sensitive
The invention relates to a method and a device for ensuring business service quality, wherein, the method is as follows: judging whether an S1 interface is congested; if congestion occurs to the S1 interface according to the detection results, then the service quality of delay sensitive business is ensured by reducing the available bandwidth of the S1 interface. In the embodiment of the invention,the congestion of the S1 interface is remitted by reducing the available bandwidth of the S1 interface when judging that congestion occurs to the S1 interface to ensure the business service quality.
Owner:HUAWEI TECH CO LTD
Equipment reset notification method and equipment reset notification system, service and grouped data gateway and mobile management network element
ActiveCN101547168AGuarantee business service qualityConnection managementNetwork connectionsService gatewayNetwork element
The embodiment of the invention provides an equipment reset notification method and an equipment reset notification system, a service and grouped data gateway and a mobile management network element. When the grouped data gateway is reset, the service gateway sends a notification message to the mobile management network element, and the mobile management network element sets relevant user-carried context information as invalid or deletes the information; when the mobile management network element is reset, the service gateway sends the notification message to the grouped data gateway, and the grouped data gateway sets user context information relevant to the mobile management network element as invalid or deletes the information; and when the service gateway is reset, the grouped data gateway sends the equipment-level identification of the mobile management network element to the service gateway, and the service gateway reestablishes carrier according to the equipment-level identification and the grouped data gateway. When one network element in a network is reset, the reset information is notified to other network elements to carry out corresponding processing; moreover, user context information of network elements can be restored through reestablishing public data network (PDN) connection or reattachment and the like to guarantee service quality.
Owner:HUAWEI TECH CO LTD
Load balancing method and base station
InactiveCN101841860AGuarantee business service qualityAvoid poor qualityNetwork traffic/resource managementQuality of serviceBase station
The embodiment of the invention relates to the communication technique, and discloses a load balancing method and a base station. The load balancing method comprises the following steps of: acquiring resources to be provided and residual resources at the local end; judging whether the difference of the residual resources and the resources to be provided is less than the preset first resource threshold or not, and if so, transmitting bandwidth borrowing request information to a second base station; receiving the bandwidth borrowing request information transmitted by the second base station, wherein the information carries the loaning frequency spectrum of the second station; and scheduling a user to the loan frequency spectrum. The embodiment of the invention also provides a relevant base station and a communication system. The embodiment of the invention can realize that a user does not need to be migrated under the condition of the insufficient resources of the service base station, also ensure the business service quality of the service base station for the user and avoid the problem that the load balancing method in the prior art has poor service quality due to the migration of the user.
Owner:HUAWEI TECH CO LTD
Dynamic bandwidth allocation method, equipment and system of multi-service transport network
InactiveCN101686177AImprove bandwidth utilizationGuarantee business service qualityMultiplex system selection arrangementsTime-division multiplexBandwidth utilizationTransport network
The invention discloses dynamic bandwidth allocation method, equipment and system of a multi-service transport network. The method comprises the following steps: obtaining bandwidth request information of T-CONT frames of all transmission containers in a data frame for transmitting multi-type services; allocating the bandwidth of all T-CONT frames according to the bandwidth request information andthe set bandwidth allocation algorithm; and sending the bandwidth allocation information to nodes in the multi-service transport network. By using the invention, different types of services can sharethe channel bandwidth, the bandwidth utilization ratio is improved, and the service quality is ensured.
Owner:HUAWEI TECH CO LTD
Caching data receiving and reading method and device and router cache device
InactiveCN103870206AAvoid occupyingSave hardware capacityInput/output to record carriersMemory adressing/allocation/relocationQuality of serviceData store
The invention discloses a caching data receiving method. The caching data receiving method includes that caching data are received, and data storage is performed on at least two storing units which are already in an activated state according to priority from high to low; if the storage capacity of one storing unit with the lowest priority among the storing units which are already in the activated state reaches a preset activating waterline, storing units which are in a to-be-activated state are changed to the already activated state, and one storing unit with the highest priority among the storing units which are in a de-activated state is changed to the to-be-activated state. The invention further discloses a caching data reading method, a caching data receiving or reading device and a router cache device. By means of the caching data receiving and reading method and device and the router cache device, hardware capacity waste of router cache capacity can be reduced, energy saving and consumption reducing can be achieved, meanwhile, the data overflow phenomenon due to insufficient storage capacity can be effectively avoided, and business service qualities are guaranteed.
Owner:HUAWEI TECH CO LTD
Method and system for access control and network provider element
InactiveCN102905388AGuarantee business service qualityImprove user experienceAssess restrictionNetwork congestionExtended Access Control
The invention discloses a method for access control. The method includes: a network provider acquires type information about extended access control EAB (extended access barring) of UE (user equipment) accessed to a network through a core network element, and performs access control according to the type information about EAB of the UE. The invention further discloses an access control system for implementation of the method and a network provider element. Different terminals about EAB types are subjected to access control to guarantee a communication system against network congestion, service quality when too much terminals are accessed can be guaranteed, and user experience is improved for accessed terminal users.
Owner:ZTE CORP
Control method for up intensifying channel receiving
ActiveCN101052198AIncrease capacityIncrease speedNetwork traffic/resource managementAssess restrictionQuality of serviceRadio Network Controller
The invention is used in WCDMA system. The system comprises radio network controller, Node B and subscriber equipment connected to it. The method comprises: 1) setting a threshold and measuring the service throughput and uplink interference; 2) the radio network controller sorts the service into a GBR type service and a non-GBR type service; 3) making the throughput decision and interference decision for the GBR service, and only making user's number decision for the non-GBR service in order to realize the uplink enhanced channel reception control.
Owner:ZTE CORP
Method and apparatus for improving service quality of peer-to-peer superpose network as well as peer-to-peer node
ActiveCN101471861ASolve the problem of poor service qualityImprove service qualityData switching by path configurationQuality of serviceNetwork service
The invention discloses a method and a device for improving quality of service (QoS) of a peer-to-peer (P2P) overlay network, and a P2P node thereof, relating to P2P network technology and aiming to solve the poor QoS of the prior P2P overlay network. The method comprises the following steps: receiving a P2P message with priority information; acquiring the priority information from the P2P message; and conducting differential processing to the priority information. The embodiment of the invention is applicable in the P2P overlay network.
Owner:HUAWEI TECH CO LTD
Method for distinguishing and processing two kinds of dialing fault of soft switching users
ActiveCN101039348AAccurately Distinguish Dialing FaultsImprove efficiencySupervisory/monitoring/testing arrangementsSubstation callingQuality of serviceSoft switching
A distinguishing and treating method for two dial faults of a soft-exchanger user comprises following steps: (1) after detecting device removal of an access user, a gateway reports the device removal affair to the soft-exchanger by use of Notify messages; (2) the soft-exchanger sends the Notify messages to the gateway and directs the gateway to draw back the dial number from the user, and the Notify messages include number charts and timers for number drawing back; (3) when faults occurred upon user dialing are detected, the gateway sends the Notify messages to the soft-exchanger and reports the dial completion affair, the Notify messages takes following parameters: Observed Events: dd / ce, ds, wherein the Method adopts two different parameter values: 'FM' and 'PM' to distinguish the two faults of the user: not-dialing for a long time and wrong dialing of the first number; (4) The soft exchanger distinguishes the faults based on the empty number strands in the Notify messages and the values of the Method, and takes treating measures: sending the Notify messages to the gateway and directing the gateway to play busy tone for the user. This method can distinguish and treat the two dial faults of the soft-exchanger user accurately and duly with high efficiency, simple performance and ensuring of operation service quality.
Owner:CHINA TELECOM CORP LTD
Base station, service policy implementing method, resource control method and system
InactiveCN101316444AEasy to controlGuarantee business service qualityRadio/inductive link selection arrangementsRadio transmission for post communicationAccess networkControl system
The invention discloses a resource controlling method which comprises the steps: a local access-resource admission control function entity, namely, local A-RACF, is arranged in a base station; the local A-RACF receives a business resource strategy request sent from the A-RACF in a resource admission control subsystem; a data channel accessing to a gateway and the base station is established according to the business resource strategy request. The invention also discloses a method for implementing the business strategy, a base station and a resource control system thereof. Through the invention, a local A-RACF entity is arranged in the base station and responsible for processing the resource admission control and the strategy installation, thus realizing controlling a WiAMX access network by the RACS, reserving enough resource for the businesses requested by users in the WiAMX access network and at the BS aerial wireless side of the WiMAX, and ensuring the business service quality for users in the WiAMX access network.
Owner:ZTE CORP
Multilayer protection switching method and device in optical network
ActiveCN103152094AGuarantee business service qualityShorten protection switching timeElectromagnetic transmissionSwitching timeOperating system
The invention discloses a multilayer protection switching method and device in an optical network. The multilayer protection switching method comprises the following steps: whether a client layer and a service layer fail is judged; when detecting that only the client layer fails, a client layer APS process starts and executes bridging after the operation is completed; when detecting that the service layer or the client layer and the service layer fail(s), the APS processes of the client layer and the service layer start simultaneously, and after the operation is completed, the APS process of the client layer is in a hold mode, and does not execute the bridging operation; the state of a protection switching state indicator is detected, and if the protection switching state indicator shows that the bridging of the service layer is successful, the APS process of the client layer is zeroed; and if the bridging of the service layer fails, the client layer executes bridging immediately. The method and device have the advantages that by the protection switching state indicator of the service layer, the protection switching actions of the client layer and the service layer are coordinated, and the parallel working of the protection switching processes of the client layer and the service layer is realized, so that the protection switching time is shortened.
Owner:FENGHUO COMM SCI & TECH CO LTD
Method for ensuring QoS of IP access network service
InactiveCN1319348CGuaranteed service qualityGuarantee business service qualityData switching by path configurationQuality of serviceAccess network
The invention discloses a method for service quality securing in IP access network, the method is: when the network control layer responses the service application for service quality securing and applies network resources to the access network, it uses terminal office router to judge if the access network has enough resources or not; if it can provides enough resource, the terminal office router sends the service quality parameter to user access network end device, the access network end device carries on service quality control, in order to ensure the service quality in access network.
Owner:HUAWEI TECH CO LTD
Control method for up intensifying channel receiving
ActiveCN100518372CIncrease capacityIncrease speedNetwork traffic/resource managementAssess restrictionQuality of serviceRadio Network Controller
The invention is used in WCDMA system. The system comprises radio network controller, Node B and subscriber equipment connected to it. The method comprises: 1) setting a threshold and measuring the service throughput and uplink interference; 2) the radio network controller sorts the service into a GBR type service and a non-GBR type service; 3) making the throughput decision and interference decision for the GBR service, and only making user's number decision for the non-GBR service in order to realize the uplink enhanced channel reception control.
Owner:ZTE CORP
Load bridging method and device
InactiveCN100531432CGuarantee business service qualitySave resourcesNetwork traffic/resource managementData switching by path configurationQuality of serviceCurrent channel
This invention discloses a method for load splitting including: setting up synchronization among overlapped base stations belonged to local areas, when a base station tests that the current channel of its own can' t meet the needs of load, it asks for idle channels to local areas superpositioned with it and sends the idle channel identifications returned by local areas to the splitted user devices. This invention also discloses a device including: a synchronization set up module, a load test module, a determining module for splitted load areas and a load splitting module.
Owner:HUAWEI TECH CO LTD
Multilayer protection switching method and device in optical network
ActiveCN103152094BGuarantee business service qualityShorten protection switching timeElectromagnetic transmissionSwitching timeOperating system
The invention discloses a multilayer protection switching method and device in an optical network. The multilayer protection switching method comprises the following steps: whether a client layer and a service layer fail is judged; when detecting that only the client layer fails, a client layer APS process starts and executes bridging after the operation is completed; when detecting that the service layer or the client layer and the service layer fail(s), the APS processes of the client layer and the service layer start simultaneously, and after the operation is completed, the APS process of the client layer is in a hold mode, and does not execute the bridging operation; the state of a protection switching state indicator is detected, and if the protection switching state indicator shows that the bridging of the service layer is successful, the APS process of the client layer is zeroed; and if the bridging of the service layer fails, the client layer executes bridging immediately. The method and device have the advantages that by the protection switching state indicator of the service layer, the protection switching actions of the client layer and the service layer are coordinated, and the parallel working of the protection switching processes of the client layer and the service layer is realized, so that the protection switching time is shortened.
Owner:FENGHUO COMM SCI & TECH CO LTD
Routing information determination method, node, system and storage medium
The embodiment of the invention discloses a routing information determination method, a node, a system and a storage medium. The method comprises the steps that a first node sends a network abstraction request to a second node, wherein the network abstract request carries optimization target information; and the first node obtains abstract node information from the second node, and determines routing information based on the abstract node information, wherein the abstract node information meets the optimization target information.
Owner:CHINA MOBILE COMM LTD RES INST +1
Access control method and system, network side network element
InactiveCN102905388BNo congestionImprove experienceAssess restrictionQuality of serviceCommunications system
Disclosed is a method for access barring. The method includes: the network side acquiring, via a core network network element, type information about extended access barring (EAB) of user equipment (UE) accessing a network, and implementing access barring according to the type information about the EAB of the UE. Disclosed at the same time is a system for access barring implementing the method above, and a network side network element. The present invention ensures that no network congestion will occur in a communication system by way of performing access barring on terminals with different relevant EAB types, guaranteeing quality of service when there are too many terminals trying to gain access, and improving the user experience of the users of the terminals trying to gain access.
Owner:ZTE CORP
A load balancing priority method for combining virtualized network functions
ActiveCN105376170BLoad balancingCombined automaticData switching networksVirtualizationMulti dimensional
The present invention belongs to the technical field of computer communication, and in particular relates to a virtualized network function combination method with load balancing priority. The method includes: the control center periodically updates the remaining resources of each network node and the distribution information of network function instances; transform it into a network policy; combine perception information and network policy to select candidate network function instances, and form vectors from large to small according to the remaining resources of the node where they are located; extract the first function instance in each vector Make a combination, calculate the performance parameters of the combination, and judge whether it meets the business request; if the judgment result is "satisfied", then it is determined that the combination provides services, configures the parameters of the selected function instance, and sends the flow table to its The connected SDN switch; if the judgment result is "not satisfied", the contribution degree of each function instance is calculated based on the multidimensional performance parameters of the function instance, and the function instance with the lowest contribution degree is replaced by the next function instance in the vector.
Owner:THE PLA INFORMATION ENG UNIV
A Proportional Fair Scheduling Method for LTE
ActiveCN103929822BService differentiationOvercoming weight imbalanceHigh level techniquesWireless communicationQos quality of serviceFair scheduling
The invention provides an LTE proportional fair scheduling method. The method includes the steps that the total signal power ratio of a user service is obtained on a base station according to information reported by a bottom layer, and the instant spectrum efficiency of a user is calculated according to the Shannon equation; the QOS weight of the user is calculated according to the type of the service; the throughput capacity weight of the user is calculated according to the average throughput capacity; the scheduling weight of the user is finally obtained; scheduling is conducted according to the scheduling weight of the user. According to the method, factors such as the scheduling delay, the requirement for the service quality of the service and the system user capacity scale are taken into comprehensive consideration, all the factors are unified in the aspect of magnitude, and the scheduling weight is equalized. By means of the method, the scheduling efficiency of an LTE system can be improved, and service quality of the user service can be ensured.
Owner:WUHAN POST & TELECOMM RES INST CO LTD
Equipment reset notification method and equipment reset notification system, service and grouped data gateway and mobile management network element
ActiveCN101547168BGuarantee business service qualityConnection managementNetwork connectionsQuality of serviceService gateway
The embodiment of the invention provides an equipment reset notification method and an equipment reset notification system, a service and grouped data gateway and a mobile management network element. When the grouped data gateway is reset, the service gateway sends a notification message to the mobile management network element, and the mobile management network element sets relevant user-carriedcontext information as invalid or deletes the information; when the mobile management network element is reset, the service gateway sends the notification message to the grouped data gateway, and thegrouped data gateway sets user context information relevant to the mobile management network element as invalid or deletes the information; and when the service gateway is reset, the grouped data gateway sends the equipment-level identification of the mobile management network element to the service gateway, and the service gateway reestablishes carrier according to the equipment-level identification and the grouped data gateway. When one network element in a network is reset, the reset information is notified to other network elements to carry out corresponding processing; moreover, user context information of network elements can be restored through reestablishing public data network (PDN) connection or reattachment and the like to guarantee service quality.
Owner:HUAWEI TECH CO LTD
Dynamic bandwidth allocation method, equipment and system of multi-service transport network
InactiveCN101686177BDynamic bandwidth implementationDynamic Bandwidth Allocation ImplementationMultiplex system selection arrangementsTime-division multiplexTransport networkBandwidth allocation algorithm
The invention discloses dynamic bandwidth allocation method, equipment and system of a multi-service transport network. The method comprises the following steps: obtaining bandwidth request information of T-CONT frames of all transmission containers in a data frame for transmitting multi-type services; allocating the bandwidth of all T-CONT frames according to the bandwidth request information and the set bandwidth allocation algorithm; and sending the bandwidth allocation information to nodes in the multi-service transport network. By using the invention, different types of services can share the channel bandwidth, the bandwidth utilization ratio is improved, and the service quality is ensured.
Owner:HUAWEI TECH CO LTD
Method and apparatus for improving service quality of peer-to-peer superpose network as well as peer-to-peer node
ActiveCN101471861BSolve the problem of poor service qualityImprove service qualityData switching by path configurationQuality of serviceNetwork service
Owner:HUAWEI TECH CO LTD
Method for switching frequency spectrum based on cognitive radio technology and system thereof
InactiveCN101702635BGuaranteed continuityGuarantee business service qualityTransmission monitoringQuality of serviceFrequency spectrum
The invention provides a method for switching a frequency spectrum based on a cognitive radio technology and a system thereof. The system comprises: a time diving module for dividing the communication process of a cognitive user into a data transmission time and a frequency spectrum detection time according to time dimension; a data transmitting module for performing communication and data transmission on the frequency spectrum currently utilized by the cognitive user at the time transmission time; a frequency spectrum judging module for judging whether the frequency spectrum is needed to be switched at the frequency spectrum detection time, wherein if the frequency spectrum is needed to be switched, judging whether an available frequency spectrum is existed in an available frequency spectrum set; a frequency spectrum detecting module for detecting that the availability of the frequency spectrum exceeds the threshold value of the available frequency spectrum, the available time exceeds the threshold value of the available time, and the unoccupied available frequency spectrum; and a frequency spectrum switching module for switching the frequency spectrum which is currently utilizedby the cognitive user into the available frequency spectrum. The invention can guarantee the continuity of the communication of the cognitive user and the service quality.
Owner:BEIJING UNIV OF POSTS & TELECOMM
An implementation method of an improved olsr routing protocol based on rssi
ActiveCN110519167BImprove computing efficiencyGuarantee business service qualityData switching networksWireless communicationEngineeringPathPing
The present invention proposes an implementation method of an improved OLSR routing protocol based on RSSI, and expands the RSSI value field in the one-hop neighbor table and the two-hop neighbor table entry, and the one-hop neighbor table is used to record the RSSI value between the node and the neighbor node , the two-hop neighbor table is used to record the RSSI value between the neighbor node and other neighbor nodes of the neighbor node; when the RSSI value of the current node and its neighbor nodes is lower than the minimum threshold value, it indicates that the current node and its neighbor nodes The signal is very weak. The present invention finds whether there are other neighbor nodes that can reach the neighbor node and the RSSI value meets a certain threshold. At this time, the neighbor node with the best RSSI value of the current node is selected as the next-hop path to the target neighbor. Each node is carried out according to this rule, and the calculated route is the optimal shortest path, so the present invention can well solve the scene where the edge node has the shortest path but the signal quality is poor, and better meet the business needs of the actual scene.
Owner:DATANG TERMINAL TECH
A live service scheduling method, device, computing device and storage medium
ActiveCN110650355BReduce demand dependenceGuarantee business service qualitySelective content distributionDigital videoIP multicast
The invention provides a live broadcast service scheduling method and device, a computing device and a storage medium, which are used for solving the problems of insufficient spectrum resources and difficulty in meeting live broadcast service requirements. The live broadcast service scheduling method comprises: receiving a service access request, wherein the service access request carries a user identifier and a channel identifier; searching a user label corresponding to the user identifier from a user label library according to the user identifier; searching a service strategy corresponding to the user label from a strategy library according to the user label, wherein the service strategy comprises at least one of the following items: a coding mode and a service system; searching a transmission mode strategy of a corresponding channel from a strategy library according to the channel identifier, wherein the transmission mode strategy comprises at least one of a digital video broadcasting DVB transmission mode, an Internet protocol IP multicast transmission mode and an IP unicast transmission mode; and providing business service according to the searched service strategy and / or transmission mode strategy.
Owner:ACADEMY OF BROADCASTING SCI STATE ADMINISTATION OF PRESS PUBLICATION RADIO FILM & TELEVISION
Method for distinguishing and processing two kinds of dialing fault of soft switching users
ActiveCN101039348BAccurately Distinguish Dialing FaultsImprove efficiencySupervisory/monitoring/testing arrangementsSubstation callingQuality of serviceSoft switching
Owner:CHINA TELECOM CORP LTD
Comprehensive safety protecting method based on integral network safety service framework
ActiveCN101800753BStrong Resource UtilizationImprove resource utilizationTransmissionNetwork communicationEngineering
The invention discloses a comprehensive safety protecting method based on an integral network safety service framework. The method comprises the following steps of: isolating information of service, control, management, and the like by adopting a classified isolation safety protection technique of network bear information; performing access certification on a terminal device by adopting a safety access protection technique of a user; certifying the validity of interconnected nodes by adopting a safety interconnection protection technique of the node; and certifying the user identity and the service authority by adopting an access control technique of the service. The invention has the advantages that the network communication and safety security are organically integrated to construct a multilevel and all-around comprehensive safety secrecy system, the problems that signaling, management and service plane are not distinguished in the general IP network, network address and user address are not distinguished, range of application and the time of the network resource are not controlled, and the like are solved, thereby effectively overcoming the detects that a superposition-type security secrecy mechanism has low efficiency and incomplete protection, and can not provide stream-oriented rapid safety transmission and the like.
Owner:NO 30 INST OF CHINA ELECTRONIC TECH GRP CORP
Compensation scheduling method and device
InactiveCN106973436AImprove experienceReduce latencyWireless communicationNetwork packetDynamic resource
Embodiments of the invention disclose a compensation scheduling method. The method comprises the following steps of receiving a buffer status report (BSR), which is sent by user equipment (UE) at a semi-persistence scheduling (SPS) periodic point; and when preconditions are determined to be met according to the BSR, sending a dynamic resource allocation message including compensation scheduling resources to the UE, wherein the dynamic resource allocation message is used for enabling the UE to use the compensation scheduling resources to transmit a business data packet corresponding to the BSR. The embodiments of the invention further disclose a compensation scheduling device.
Owner:ZTE CORP
Efficient 5G dual-connection separation bearer data transmission method and system
PendingCN114189906AReduce Reorder LatencyReduce latencyNetwork traffic/resource managementConnection managementData packPDCP
The invention provides an efficient 5G dual-connection separation bearer data transmission method and system, and the method comprises the steps: S1, building a dual-connection separation bearer, and initializing the state coefficients of a main RLC entity and an auxiliary RLC entity; s2, receiving a data transmission request, processing to-be-transmitted data, and putting the processed to-be-transmitted data into a sending queue; s3, data distribution transmission is carried out; s4, the main RLC entity and the auxiliary RLC entity process and send data to be sent, and respectively report the state of a logic channel to the PDCP entity; and S5, carrying out transmission state analysis, and if a preset condition exists, carrying out data recovery and transfer sending. According to the invention, the data packet reordering delay of the PDCP at the receiving end is reduced, and the service delay is reduced; by detecting the transmission state of the logic channel and the state of the cache region, the to-be-transmitted data is reasonably shunted and transmitted, so that the data transmission delay is reduced, the PDCP reordering delay of a receiving end is further reduced, the service delay is reduced on the whole, and the service quality is improved.
Owner:上海微波技术研究所(中国电子科技集团公司第五十研究所)
Method, system and network side network element for network control load
ActiveCN103220720BNo congestionImprove experienceNetwork traffic/resource managementDistributed computingNetwork element
The invention discloses a load control method, system, and network-side network element. The technical solution of the invention is: the network-side network element acquires EAB type information of terminals connected to the system, and calculates the proportion of load occupied by specific EAB-type terminals according to statistics. Implement load control and set reasonable EAB parameters. The present invention makes statistics on resources occupied by terminals of different EAB types, and thus sets reasonable EAB parameters, so as to avoid network services from being unable to develop normally due to too many accesses of such EAB type UEs.
Owner:ZTE CORP
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