37results about How to "Guarantee the quality of communication service" patented technology

The embodiment of the invention discloses a communication service switching method, a network system and an interworking function entity. The method comprises the following steps: receiving a first registration request message transmitted by a user terminal at the source network, thereby completing the registration of the service IWF from a user terminal to a user terminal; receiving a second registration request message transmitted by the user terminal at the source network, and transmitting the second registration request message to a source service MME of the user terminal, so that the user terminal completes the registration to the source service MME; and receiving a switching request message from the user terminal at the source network, and forwarding the switching request message to the source service MME, so that the source service MME executes the switching procedure and switches the user terminal to a target network. The embodiment of the invention realizes switching from GERAN/UTRAN to E-UTRAN in CS domain services, thereby avoiding service interruption in the CS domain service switching process.

The present invention is a technology for locating the communication path of a network host, and the present invention integrates collection of communication path nodes, data analysis, and output of analysis results as a whole. Its steps comprise as follows: the present invention utilizes Tracert command to determine the path that IP packet arrives target host through, and Tracert command determines the path from a host to other hosts on the network with IP time-to-live (TTL) field and ICMP response packet, This command returns the list of routers that reach the IP address. Each node is the routing IP address that the data packet passes through. Track the route used by the data packet. After collecting the path that can reach the target host multiple times, analyze the relationship between the routes. , construct a communication path topology diagram, display all communication paths from the source host to the target host, and save the data information to the database.

The invention provides a network selection method in the power wireless-communication heterogenous multi-network environment. The method comprises the following steps: S1, intercepting the service request sent by a terminal, or intercepting signals of networks, where the terminal is located, and judging whether the networks is in a performance degradation state or not according to the intercepted network signals; S2, triggering the network selection: according to the service type and the network performance, building a network selection model, determining the decision attributes of the network, sorting candidate networks according to the decision attributes, and screening the optimal network. According to the network selection method provided by the invention, the candidate networks can be sorted well, and the optimal network can be screened out for allowing the terminal of power equipment to be accessed, so that the communication service quality of an electric power system is guaranteed, and the resource utilization rate is increased.

A system for realizing the number carrying service between mobile networks and a method are provided, wherein the system is formed by an independent number carrying database SRF-NPDB and a local service management system LSMS, which have the SPF function, and both are accessed into a number seven signaling network. A global office number translation point office data pointing SRF-NPDB is arranged in a related mobile exchange center, and the SRF-NPDB changes and transforms the number of a number carrying user for realizing the purposes of addressing and continuous controlling, and the LSMS is used to manage the number mapping relation of a local portable user, and synchronizes with the SRF-NPDB. The invention has the characteristics that the number carrying service can be fairly and independently carried out through adopting an independent network element device by the data setting of exchange nodes without transforming the current signaling transfer point STP, which avoids the tight coincidence with the STP, guarantees the communication service quality, and provides an effective method for independently opening the number carrying service between the mobile networks.

The invention relates to a method and a device for selecting a roaming operator, belonging to the technical field of networks. The method comprises the steps of determining at least one roaming operator of a roaming service area when a mobile terminal is located in the roaming service area; obtaining communication service quality ranking information of at least one roaming operator; and selecting a target roaming operator with the highest communication service quality in the communication service quality ranking information and communicating on the basis of the target roaming operator. The roaming operator with the highest communication service quality is selected by obtaining the communication service quality ranking information of at least one roaming operator, selecting the target roaming operator with the highest communication service quality in the communication service quality ranking information and communicating on the basis of the target roaming operator, so that the communication quality of the mobile terminal is ensured and the problem of poor communication service quality when the roaming operator with the maximum signal intensity is solved.

The invention discloses a base station moving track control method based on interference prediction in an amorphous cell. The method comprises the following steps that an amorphous cell model is created, and at the moment t, a mobile base station MBSi updates an interference region which possibly enters into other mobile base stations by predicting the position of the amorphous cell model at the moment t+T, and defines all mobile base stations in the interference region as an interference base station set Ii; channel rearrangement is carried out on the mobile base stations in the interference base station set Ii to coordinate and process an interference, and meanwhile the interference base station set Ii and the mobile base station MBSi accomplish the channel pre-allocation at the moment t+T for a short-hop link pre-allocation channel at the moment t; the cost of the mobile base station MBSi entering into the interference region is measured according to the change of the call drop rate of the mobile base stations in the interference base station set Ii at the predicted moment t+T; the movement of the mobile base station MBSi is controlled through moving track control strategy. The base station moving track control method based on the interference prediction in the amorphous cell can effectively reduce the possible of the serious performance degradation brought by channel collision in the process of node movement, and the communication serve quality of a mobile user can be guaranteed.

The invention discloses a full duplex cognitive multiple-input-multiple-output relay cooperation method in a non-ideal channel state, and belongs to the technical field of multi-antenna full duplex wireless transmission. Firstly, according to a channel estimation model in a first time slot non-ideal channel state, a secondary user transmitter selects and configures an optimal antenna to send a signal to a secondary user relay node under a primary user interference temperature constraint condition, and a full duplex destination node transmits a directional interference signal to an eavesdropping user in a zero-forcing beamforming mode; then, according to a channel estimation model in a second time slot non-ideal channel state; and the secondary user relay node forwards data to the full-duplex destination node under the constraint condition of the interference temperature of the primary user, any LB antenna in the full-duplex destination node receives signals, and the remaining NB-LB antenna of the full-duplex destination node transmits artificial interference to an eavesdropping user. According to the method, the physical layer security transmission performance of the full duplex cognitive wiretapping network under the non-ideal channel is effectively improved, and the risk that the whole network system is wiretapped is reduced.

The invention discloses an optimized scheduling method and device for a 5G macro site group, a medium and terminal equipment. The method comprises the following steps: building a power scheduling model according to the output prediction value of a photovoltaic system, the charging and discharging preset power of an energy storage system, the load power consumption prediction values of all the 5G macro sites and a scene set; solving the power scheduling model through combination with solving constraint conditions containing user communication quality constraints to obtain a 5G macro site group energy storage charging and discharging adjustment value of a prediction day; and adjusting the charging and discharging power of the energy storage system of the 5G macro site group on the prediction day according to the energy storage charging and discharging adjustment value. By adopting the optimized scheduling method and device for the 5G macro site group, the medium and the terminal equipment provided by embodiments of the invention, the accurate prediction of the communication load of each base station can be realized; and then the 5G macro site group is scheduled by taking energy storage charging and discharging power as an optimization variable and combining the predicted communication load and photovoltaic output of each 5G macro site.

Disclosed is a mobile network number portability service method; the system is composed of an independent number portability database SRF-DPDB with SRF function for accessing the signaling system 7, and a local service management system LSMS. In a relative mobile switch center, the overall code translation point office data is set to point to SRF-NPDB, the SRF-NPDB is used for changing and converting numbers of number portability users to realize the purposes of addressing and continuous control, the LSMS is used for managing the number mapping relation of local portability users and synchronizing the number mapping relation to the SRF-NPDB. The invention is characterized in that an independent network element equipment is adopted for setting only through switch node data without changing a signaling transition point STP in prior art, the number portability service can be implemented fairly and independently and is avoided from coupling tightly with the STP so that the communication service quality is guaranteed and an effective method for implementing independent mobile network number portability service is disclosed.

A protection optimization system based on an airport site disclosed by the present invention comprises a monitoring receiving module, an analysis processing module and a control adjustment module, the monitoring receiving module is electrically connected with the analysis processing module, and the analysis processing module is in network connection with the control adjustment module. The monitoring receiving module is used for monitoring and receiving antenna signals in an office terminal building in an airport site, the analysis processing module is used for analyzing and processing related information of the antenna signals, and the adjustment control module is used for adjusting and controlling signals of a mobile phone terminal. The monitoring and receiving module comprises a signal receiving module, a position distinguishing module, a detection and identification module and an information acquisition module, the signal receiving module is in network connection with the position distinguishing module, the position distinguishing module is electrically connected with the detection and identification module, and the detection and identification module is electrically connected with the information acquisition module. The method has the characteristic of effectively improving the communication quality.

The embodiment of the invention discloses a communication control method based on an intelligent communication management gateway, and the method comprises the steps: determining a current time period, and obtaining an adjustment period set corresponding to the time period; in the adjustment period, performing statistics on the equipment point access quantity and the equipment operation load of each node service equipment, and performing trend analysis on the equipment access quantity and the equipment operation load according to a statistical result; and scheduling the access equipment of each node service equipment based on the equipment access quantity, the trend analysis result of the equipment operation load and a preset communication quality threshold. According to the scheme, reasonable scheduling of the access equipment is realized by performing statistics and trend analysis on the equipment point access quantity and the equipment operation load of each node service equipment in each time period, so that the problems of complex judgment mechanism and low adjustment efficiency caused by independent judgment during scheduling of the access equipment in the prior art are solved, the overall operation efficiency of the system is improved, and the communication service quality of the equipment is ensured.