88 results about "U interface" patented technology

The invention discloses a network quality monitoring method based on signalling and MR data. The method comprises the following steps: (1): analyzing the GGSNDATATEID, SGSNDATATEID, BeginTime and URI information through a S1-U interface, and extracting longitude and latitude information according to a longitude and latitude format; (2): obtaining XDR information through a S1-MME interface, associating the cell information through the ERAB_ULTEID, ERAB_ULTEID, BeginTime associated information; and (3): obtaining the RSRP data of an MR acquisition point through the cell information and start time with MRO data association. The method does not need to carry out a large number of on-the-spot tests, save resources, has strong stability, has the extensibility of long-term stable tracking analysis, can output the weak coverage area of the wireless network through association analysis and can optimize problems through the coverage accurate positioning network planing.

The invention discloses a user awareness depth detection method based on MR and XDR, which comprises the following steps of S1, acquiring MR data and XDR data; S2, extracting user location informationfrom the XDR data; S3, by using the S1-MME interface data in the XDR data as a control plane and by using the S1-U interface data as a service plane, forming a service quality KQI index from the twodimensionalities including the control plane and the service plane; S4: establishing a scoring model of a user awareness MOS index, calculating a user awareness MOS value based on the scoring model and the service quality KQI index; S5, establishing a 'wireless performance-service performance-user awareness' three-layer analysis model according to a wireless performance KPI index, the service quality KQI index and the user awareness MOS value, and restoring the instantaneous wireless performance during poor quality of user awareness by the three-layer analysis model. The method, by means of the two-way linkage analysis between a wireless side and a service side, upgrades the analysis level of a poor-quality user from the cell level to the user level and improves the problem location accuracy and efficiency.

The invention provides a method for associating 4G user information with application data. The method is applied to the 4G mobile Internet, and comprises the following steps that 1) signaling and application data of S1-MME, S11 and S1-U interfaces is collected in real time; a filtering condition is set to filter the signaling and application data; the application data of the S1-U interface is parsed and reduced to ordered GTP-U application data flows; the signaling data of the S11 interface and S1-MME interfaces is decoded to extract field information sets, generate CDR records and associate the CDR records; and the application data flows are associated with the complete CRF records. The invention also provides a corresponding device. The method and device are characterized in that the user information is extracted accurately and the association efficiency is high.

The embodiment of the invention provides a network coverage assessment method and device. The method comprises the following steps: acquiring sample information from a first XDR file at a S1-U interface, wherein the sample information comprises IMSI data of a user terminal, start time of performing location by the user terminal, end time for performing the location by the user terminal, and the longitude and latitude data of the user terminal in the start time and the end time; acquiring the business identifier data corresponding to the IMSI data in start time and the end time; acquiring the signal intensity data corresponding to the service identifier data in the start time and the end time from the MRO file; and determining the network coverage state of the to-be-assessed area according to the longitude and latitude data and the signal intensity data. By using the method provided by the embodiment of the invention, the real situation of the network can be fast, effectively and accurately assessed by using the big data.

The embodiment of the invention provides a paging notification method, a paging method and a paging device. When an SGW needs to send data to UE, the paging notification method, the paging method and the paging device are used for reducing internetwork consumption, synchronizing internetwork data and improving network efficiency under the condition that S1-U interface connection is released. The paging notification method includes the steps that the SGW receives data packages which are sent to the UE; the SGW caches the data packages and sends downlink data notification messages to an MME which serves the UE, and the downlink data notification messages are used for notifying the MME of paging the UE. Time for caching the data packages by the SGW is larger than or equal to paging time for paging the UE by the MME.

The invention provides a method for processing SCTP (stream control transmission protocol) link failure of an S1 interface. The method includes the steps: searching UE (user equipment) in a connection state on an SCTP link when an MME (mobility management entity) detects that the SCTP link is disconnected; adding the identity of the UE into a release access bearing request message; transmitting the release access bearing request message to an S-GW (service-gateway); returning a release access bearing reply message to the MME. The S-GW is used for releasing bearing resources of S1-U interfaces of the UE. The bearing resources of a plurality of S1-U interfaces of the UE can be released once, equipment modification is less, modification cost is low, the frequency of message transmission is decreased, and requirements for performances of a network, home terminal equipment and opposite terminal equipment are lowered.

The embodiment of the invention discloses an updating method of a radio bearer and a relay station, relating to the technical field of communications and being used for improving the use ratio of air-interface resources. The method comprises the following steps: acquiring a first bearing message of user equipment (UE), wherein the first bearing message refers to the service quality of the radio bearer to be switched of the UE; when the service quality of radio bearing resources on a Un interface does not meet the switching requirements of the bearer of the UE, determining the requirements of the UE on the service quality of the radio bearing resources on the U interface in accordance with the first bearing message; and sending a bearing resource modification request to a core network, wherein the request carries the requirements of the UE on the service quality of the radio bearing resources on the Un interface, so that a donor base station can update the radio bearer on the Un interface in accordance with the requirements of the service quality. The updating method and the relay station in the embodiment of the invention are mainly applied to occasions in which relays exist.

The invention discloses a WiFi system, a router and a mobile terminal. The WiFi system comprises a baseband processor, a WiFi chipset and a radio frequency transceiver with an LTE-U interface, whereinthe baseband processor is respectively communicated with the WiFi chipset and the radio frequency transceiver; the baseband processor processes a WiFi band signal received by the radio frequency transceiver as a readable signal of the WiFi system, and processes a to-be-sent signal of the radio frequency transceiver as the WiFi band signal capable of being sent by the radio frequency transceiver.Through the WiFi system, the router and the mobile terminal proposed by the invention, the radio frequency transceiver with the LTE-U interface simulates a WiFi transceiver, and then receives or sendsthe WiFi band signal so as to realize the transmission of the WiFi signal; compared with the multi-path WiFi system of the existing multi-WiFi chipset, the cost is reduced, and the throughput capacity and the sensitivity of the WiFi system can be improved.

The invention discloses an operating-mode switching method for a trunking system base station. The method involves monitoring the states of an S1-MME interface link, an S1-U interface link, a Ta / D1-MME interface link and a Ta / D1-U interface link in real time, and determining the time of switching between a fail soft operating mode and a normal operating mode according to the monitoring result, thereby switching the base station between the normal operating mode and the fail soft operating mode timely. By adopting the method, the invulnerability of the fail soft operating mode can be brought into full play without affecting normal running of the system.

Methods are provided to perform multiple-connectivity operation in the heterogeneous network. In one novel aspect, multiple-connectivity is configured with one microwave macro cell and multiple small cells. UE establishes control plane connectivity with the microwave macro cell, where the S1-MME interface is terminated. Multiple small-cell base stations provide traffic data together to the UE and are connected with Xn interfaces. One small-cell base station in the set of the configured small base stations is an UP anchor small-cell base station, where S1-U interface is terminated. Other small base stations are UP assistance small base station. In one embodiment, the set of small base stations and the UP anchor small base stations can be changed based on the measurement report / results of the different cells as well as the cell loading status. The anchor base station can be changed either by the UE or through network configuration.

The invention discloses a method for accessing a user end to next generation network, the method comprises the following steps: hypothesizing a U interface card into an Ethernet network card, receiving Ethernet frame which is transferred from a TCP / IP protocol layer, step S104, removing Ethernet frame head and exchanging the Ethernet frame head into an IP data packet, and analyzing IP data packet types, step S106, accessing getaway and receiving data packet from high-grade data link control 2B+D channel, checking the IP data packet, exchanging network address for the IP data packet which is checked, and step S 108, packing the exchanged IP data packet into an Ethernet frame format and sending to soft exchanging core network server. The invention also discloses a system which accesses a user side to a next generation network. The invention achieves the safe and stable transmission of information in different networks under the circumstance without needing to modify any user end application program which is based on TCP / IP communication, which reduces the probability of core switching network service period which is attacked, and lowers complexity of important customer system network building.

The invention discloses equipment and a method for testing evolved packet core network equipment. The method comprises the following steps that: a first computer starts software which executes an upper-layer protocol of a protocol stack of an S1-U interface, generates data and then sends the generated data to a second computer; after receiving the data which is sent by the first computer, the second computer extracts an upper-layer protocol head of the protocol stack of the S1-U interface of the data and a data payload, packages the upper-layer protocol head and the data payload on a general packet radio service (GPRS) tunneling protocol for user plane (GRP-U) protocol head, and calls the protocol stack of an operating system to send the data to the evolved packet core network equipment through the S1-U interface; and after receiving the data which is sent by the evolved packet core network equipment through the S1-U interface, the second computer calls the operating system to peel off an internet protocol (IP) layer and the protocol head of a user datagram protocol (UDP) to obtain the data payload, removes the GRP-U protocol head of the data payload and then sends to the first computer through a data link layer. The invention is low in implementation cost, simple and easy in construction process, and easy in maintenance.

The invention provides a coverage evaluation method and device for an LTE network, and relates to the technical field of mobile communication, wherein the method comprises the steps of: obtaining first XDR data used for evaluating coverage of the LTE network from an S1-U interface of the LTE network; according to the switching information and occupation cell information of each user device, obtaining an application scene, which each user device belongs to, by identification; according to the application scene, which each user device belongs to, obtaining the current position of each user device used for being identified on a map; obtaining second XDR data used for evaluating coverage of the LTE network from a Uu interface of the LTE network; according to the basic information of each userdevice, associating the first XDR data with the second XDR data, so that the reference signal receiving power of each user device at the current position is obtained; and, according to the reference signal receiving power of each user device at the current position on the map, evaluating coverage information of the LTE network. By means of the coverage evaluation method and device for the LTE network provided by the invention, the problem that the network coverage cannot be completely reflected in the prior art can be avoided; and furthermore, the problem that the positioning precision is relatively low can be solved.

The invention provides a load balancing method of LTE (Long Term Evolution) core network interface large traffic data. S1-MME, S10 / S11, S6a and S1-U protocol messages are distinguished for data which are accessed from a bypass of an LTE core network, the S1-MME, S10 / S11, S6a and S1-U protocol messages are forwarded to corresponding signal processing boards respectively, user IPs (Internet Protocol) in the S1-U massage are resolved for large traffic S1-U user service data, and the S1-U massage is distributed to a plurality of user service data processing boards according to IP addresses of users in a modulus mode. According to the load balancing method of the LTE core network interface large traffic data, the large traffic data accessed from an S1-U interface can be sent to a plurality of protocol resolution board cards in a balanced mode to be processed and the data of every user can be on the same protocol resolution board card and accordingly the subsequent processing requirements of the distributed data for the user data are met.

The present invention addresses method, apparatus and computer program product for providing an enhanced GPRS Tunnel Protocol Tunnel Endpoint Identifier. There is proposed an extension for GTPv1-U TEID-U values by using extended TEID-U range across Gn / Gp interfaces (tunnel setup with GTPv1-C).There is another proposal for extending both GTPv2 TEID-C values and also linked GTPv1-U TEID-U values by using extended TEID ranges across GTP-based S5 / S8 and S2b / S2a interfaces (tunnel setup with GTPv2), by using extended TEID-U range across GTP-based S1-U interface (tunnel setup via S11) and / or by using extended TEID-U range across GTP-based S4-U, or S12 interfaces (tunnel setup via S4-C).

The present invention discloses an association method and a device for a signaling plane and a user plane inside an LTE system. The method and the device solve the technical problems in the prior art that due to the presence of different network configuration policies, the assigned user IP addresses of multiple PGWs might be repeated so as to cause the confusing condition due to the fact that the multiple PGWs are assigned to existing user IP addresses according to an assignment result of PGW equipment in the LTE system. Meanwhile, the method and the device also solve the technical problems in the prior art that since an SGi interface is arranged between PGW and the Internet, the execution evaluation degree of data services realized at each network element in the LTE system, such as eNodeB, PGW and the like, cannot be reflected and the deep analysis on the network cannot be realized. The association method for the signaling plane and the user plane inside the LTE system comprises the steps of extracting the tunnel information on the side of an S11 interface through establishing the signaling process of a user plane channel on the S11 interface of the system; extracting the tunnel information on the side of an S1-U interface from all data at the S1-U interface of the LTE system; and associating the signaling process at the S11 interface with user data at the S1-U interface through the tunnel information on the side of the S11 interface and the tunnel information on the side of the S1-U interface.

The invention provides a route for transmitting several data and voice service, which includes: ISDN-U interface module, central processing unit module, voice processing module and several interface modules, ISDN-U interface module, the data signal in data channel is done HDLC procession and sent to the central processing unit module; central processing unit module, which is used to analyze the processed data packet, when analyze the voice IP data packet, the voice IP data packet is sent to voice processing module; voice processing module, which is used to receive the voice IP data packet sent by central processing unit module, and reverts it as the original voice data. The invention can transmit voice via ISDN-U interface module, and improve the integrated service ability in real system.

A system is disclosed for providing inter-system mobility in integrated LTE and WiFi systems. A control plane interface, referred to as the Sla-C interface, is defined between a trusted WLAN access network (TWAN) and a mobility management entity (MME) comprised in an LTE wireless access network. A user plane interface, referred to as the S 1 a-U interface, is defined between the TWAN and a server gateway (SGW) in the LTE wireless access network. The MME operates as a common control plane entity for both LTE and TWAN access, while the SGW operates as a user plane gateway for both LTE and TWAN. The integrated MME and SGW allow for user equipment (UE) to access the capabilities of a packet data network (PDN) through either the LTE access network or TWAN.

A method and apparatus for supporting a local gateway (L-GW) service in a wireless communication system is provided. When an L-GW is co-located with a master evolved NodeB (MeNB) in dual connectivity, a secondary evolved NodeB (SeNB) in dual connectivity receives a request message including information on a specific E-UTRAN radio access bearer (E-RAB), which is served by a L-GW, from a master evolved NodeB (MeNB) in dual connectivity which has the L-GW, decides to transmit data via a X2 interface instead of a S1-U interface for the specific E-RAB, and transmits a response message to the MeNB.

The invention provides a service range flow control method. The method includes: monitoring the size of a receiving buffer on a base station side; when occupancy of the receiving buffer achieves an alarm threshold, transmitting a GTP-U (general packet radio service tunneling protocol user plane) status report to an SAE-GW (system architecture evolution gateway) so as to inform the SAE-GW of stopping data transmission; and when the receiving buffer is idle, transmitting a GTP-U status report to the SAE-GW to inform the SAE-GW that data can be transmitted. By the service range flow control method, flow control of an S1-U interface can be effectively achieved, and the data loss of a user is avoided.

An abnormal signaling process simulation and templated signaling parameter customizing method comprises the steps that firstly, a server used for simulation is established, wherein the server can be in wired connection with an MME and an access service gateway SGW of a user plane in an LTE communication network, the server for simulation can be in communication with the MME in the LTE communication network through an S1-MME interface, the server for simulation can be in wire connection with the access service gateway SGW of the user plane in the LTE communication network through an S1-U interface, and a simulation 4G mobile phone module and a simulation wireless resource management node eNodeB module are arranged in the server for simulation. The defects that the operation indexes of the LTE network can be only simply tested by initiating a normal signaling process, and the full test on the capability of the fault tolerance among multiple factory devices of a core network in the first time interconnection is not available in the initial period of the LTE construction are overcome.

The invention discloses an analysis and delimitation algorithm of a low HTTP (Hyper Text Transfer Protocol) page download rate. The analysis and delimitation algorithm of the low HTTP page download rate comprises the steps of sieving a first cell list and a second cell list based on an information association table; roughly delimiting the reason for the low HTTP page download rate to a core network side and a wireless network side through a TCP (Transmission Control Protocol) chain building time delay and the HTTP page download rate based on the first cell list and the second cell list; and judging problems such as uplink and downlink coverage as well as interference of an LTE (Long Term Evolution) wireless cell which result in the low HTTP page download rate by combining with uplink and downlink packet loss rate indexes based on uplink and downlink data information acquired by an S1-U interface where an acquisition unit is. The invention also discloses a judging device of the low HTTP page download rate.

The invention discloses an abnormal traffic suppression method and an abnormal traffic suppression device. The method comprises the steps as follows: acquiring first VoLTE signaling data in an S1-U interface of a serving gateway and second VoLTE signaling data in an Mw interface of a proxy-call session control function; determining first session data according to the first VoLTE signaling data and the second VoLTE signaling data, wherein the first session data is data in the first VoLTE signaling data; and judging whether the historical abnormal session data contains the first session data, and if the historical abnormal session data contains the first session data, sending a bearer deletion request message to the serving gateway so the serving gateway deletes the bearer of the first session data according to the bearer deletion request message.

A fault handling method for the equipment at the client side based on the U-interface in the ring network connects directly the outer line of two route U-interfaces at network side connected with theclient side equipment and one route U-interface of the two at network side is responsible to issue the activation command to activate the channel between two route U-interfaces. The data in the ring network is transmitted through the channel formed by the direct connection of two route U-interfaces for keeping the completeness of the closed ring. The device for the above-mentioned method includestwo relays connected with the outer line of two route U-interfaces at the client side, detecting module of detecting operation state and fault of the equipment at the client slide, network, exchange circuit module and CPU control circuit module at the client side.

The invention discloses a wireless network index analysis method and system based on MR and xDR, and belongs to the technical field of communication, and the method comprises the following steps: S1,data collection; S2, data processing; S3, data analysis; S4, output of abnormal items. In the step S1, the MR comprises an SINR report, an RSRP report, an RSRQ report and an RSS report, the xDR data comprises records of an S1-MME interface, an S1-U interface, an S11 interface and an S6A interface, and the base station information data comprises a base station identifier, a base station state, a main carrier cell, longitude and latitude. Various analysis rules are executed on the basis of the dynamically configurable group script, online change can be supported, and the method takes effect in real time. Analysis is carried out on the basis of MR and xDR data, the specialty is high, xDR is based on records generated by real user interaction and is oriented to users, and the internet surfingprocess of the users can be completely restored.

The invention discloses a downlink flow control method for an F1-U interface of a 5G base station. The method comprises the following steps: step 1, periodically counting Buffer usage rates and packetloss rates borne by each side of a gNBDU; step 2, calculating the size of a Buffer expected by each bearer according to the statistical information; step 3, allocating Buffer sizes to the F1-U interfaces in sequence according to the bearing priorities; and step 4, enabling the gNB-DU to notify the gNB-CU-UP to update the Buffer size of the F1-U interface. According to the downlink flow control method for the F1-U interface of the 5G base station, the buffer fed back by the RLC is dynamically adjusted according to the actual air interface rate, so that the downlink flow of the F1-U tends to bethe same as the air interface flow, and the F1-U side packet loss caused by full occupation of the buffer size on the gNB-DU side is avoided; and according to the bearing priorities, the buffer sizeof each bearing is globally and dynamically adjusted, so that the situation that the low-priority bearing occupies the buffer size of the high-priority bearing is avoided.

The invention discloses a long-distance dispatching desk access method based on PCM (pulse code modulation) in the technical filed of communication. The method comprises the following steps: adding a first PCM transmission device and a second PCM transmission device respectively at two sides of a first switcher and a second switcher; connecting two B passages and a D passage on the U interface of the first switcher to a time slot corresponding to the E1 interface of the first PCM transmission device; connecting two B passages and a D passage on the U interface of the second switcher to a time slot corresponding to the E1 interface of the second PCM transmission device; and connecting the first PCM transmission device and the second PCM transmission device through an E1 circuit. In the invention, the switcher is connected through the E1 circuit instead of an ISDN (integrated services digital network) circuit, the transmission distance is increased, and the long-distance dispatching capability of the long-distance dispatching desk is improved.

Disclosed is a network element quality automatic evaluation method. The network element quality automatic evaluation method includes a step of building a server connected with phases of mobility management entities MME in an LTE communication network and a user plane access service gateway SGW in wired mode and used for simulation, wherein the server used for the simulation can be connected with more than two mobility management entities MME2 in the LTE communication network through an S1-MME interface in two phase communication mode, the server used for the simulation can be connected with more than two phases of the user plane access service gateway SGW in the LTE communication network through an S1-U interface in wired mode, and the server used for the simulation is provided with a simulation 4G mobile phone module and a simulation radio resource management node eNodeB module. The network element quality automatic evaluation method effectively avoids the defect that only a statistical index and objective quantitative criteria can be provided in traditional device network management and instrument dialing by combining the above step with other steps.

The invention discloses a servo motor, which comprises an output shaft, a pressure sensor, a rotation speed sensor, an oil inlet, a sealing washer, fixed screw holes, a fixing baffle, a heat dissipation plate, an integrated electric box, wiring ports, a transmission shaft, a rotor, an oil seal washer, permanent magnet stators, a hall sensor, an N pole, an S pole, a shielding box, a V interface, aW interface and a U interface, wherein the pressure sensor is arranged in the output shaft; the side edge of the pressure sensor is provided with the rotation speed sensor; the side edge of the rotation speed sensor is provided with the oil inlet; one side of the wiring ports is provided with the transmission shaft; one side of the transmission shaft is connected with a rotor; the oil inlet is a one-way oil inlet channel for preventing leakage of lubricating oil; the fixing baffle and the body are integrally punched; the oil seal washer is made of wear-resisting silica gel to enable the engineto keep sealing effects; the permanent magnet stator is made of an iron nickel permanent magnet; and the shielding box is made of a lead nickel alloy-containing material, thereby shielding outer electromagnetic interference.

The invention discloses a method of realizing a digital dispatching communications system service platform which belongs to the communications technology field. The invention increases an U interface adapter between an U interface of the communications system and an operating terminal. The U interface adapter can be connected with two common telephones used as two conversation handles. The telephone has functions of ringing, dialing, listening to dialling tone and so on, and usage of the functions is essentially identical with the usage of a common SPC exchange telephone, so as to guarantee that when the service platform is halted or power-failed, two telephone can still be regular serviced, and guarantee the lowest communication of the dispatching system and communication reliability of the dispatching system, and also increase flexibility of configuration and using of the system.