246results about How to "Avoid dropped calls" patented technology

The invention discloses a dual-card dual-standby terminal and a data communication method. The dual-card dual-standby terminal comprises a first SIM card, a second SIM card, a first protocol stack, a second protocol stack, a data service module and a TCP / IP protocol stack. The TCP / IP protocol stack comprises a first virtual WAN transmission interface and a second virtual WAN transmission interface. The first SIM card resides in a PS domain and a CS domain of a network through the first protocol stack. The second SIM card resides in a PS domain and a CS domain of a network through the second protocol stack. The first virtual WAN transmission interface and the second virtual WAN transmission interface are used for transmitting data of the first protocol stack and the second protocol stack respectively. The data service module is used for selecting the network where the first SIM card or the second SIM card belongs to establish a PS data service link so as to carry out data transmission. The terminal and the method have the following advantages that the SIM card can resides in a CS voice service and a PS data service simultaneously; transmission interruption and other problems generated because one network is abnormal can be avoided; a resource utilization rate is increased and a user experience is improved.

The embodiment of the invention discloses a cell switching method, a terminal and core network equipment. The cell switching method comprises the following steps: enabling the terminal to join in current calling in a broadband service cell, wherein the terminal registers both in the broadband service cell and a narrowband service cell; acquiring information of a service channel of the current calling in a target narrowband cell by the terminal; and switching the terminal to the target narrowband cell from the wideband service cell to continue the current calling according to the acquired information of the service channel. By adopting the embodiment of the invention, switching between the wideband cell to the narrowband cell can be achieved, and call drop can be avoided.

The method includes steps: (1) network side sets up threshold value of position for mobile station; and informing the set up threshold value of position to mobile station; (2) mobile station monitors and determines whether own position reaches to the threshold value of position in step (1) in real time; when reaching the threshold value of position, mobile station makes report to network side; (3) after receiving report in step (2), network side switches mobile station between adjacent cells. Based on accurate position, the invention makes mobile station switch between adjacent cells.

The embodiment of the invention discloses a cell switching method and a terminal which are used for realizing switching from a narrowband cell to a broadband cell and avoiding call missing. The method comprises the steps that the terminal participates in a current call in the narrowband service cell, wherein the terminal is registered in both the broadband service cell and the narrowband service cell; the terminal acquires information of wireless resources of the current call in the broadband service cell; the terminal switches from the narrowband service cell to the broadband service cell according to the information of the wireless resource and continues the current call through the wireless resources.

The invention discloses a method for switching multiple networks, an instant messaging client, a management server and a system; the technical proposal comprises that: a current network is switched into a target network when receiving a switching request sent by a user or detecting the current network to be abnormal; a message containing a reservation marker is sent to the management server, the marker is used for expressing the switching from the logging status of the current network to the logging status of the target network to inform the management server of maintaining the logging status of the current network in the target network and continuing operating. By adopting the technical proposal of the invention, when the instant messaging client is switched into the target network from the current network, the user experience in the switching process is ensured, the smooth transition of switching from the logging status of the current network to the logging status in the target network of the instant messaging client is realized, thus achieving optimal user experience.

The embodiment of the invention provides a secret key management method, an authorization checking method and a device. The secret key management method comprises the steps of: receiving a RRC (Radio Resource Control) connection rebuilding request sent by UE (User Equipment) after a radio link failure occurs in a communication process of the UE and a first RN (Relay Node); judging whether the first RN is affiliated to a base station; if so, checking whether the RRC connection rebuilding request is authorized or not by the first RN; and if the RRC connection rebuilding request is authorized, calculating an access layer secret key according to KeNB* (Key Evolved Node B) of a target cell and a security algorithm of the target cell. By means of the method and the device provided by the embodiment of the invention, an RRC connection rebuilding failure and call drop caused by that the target cell dispenses with secret keys and other security parameters are avoided in a process in which the UE initiates the RRC connection rebuilding to cells affiliated to a DeNB (Donor eNB) or other RNs affiliated to the same DeNB when the UE undergoes the RLF under an RN scene.

This invention discloses a method for re-transmitting data used in data re-transmission in the switch of HS-DSCH in the WCDMA system including: a radio network controller (RNC) gets the radio link control packet data unit (RLC PDU), which should be re-transmitted to the user terminal, the RNC sends the RLC PDU should be re-transmitted to the user terminal to the switched high speed media access control MAC-hs queue of the switched target area base station in terms of the sequence number from small to big in batches based on the pre-set or actual transmitted each time in the physical layer RLC PDU number then to re-transmit it to the user terminal.

The invention discloses a method, a system and a facility for preventing a wireless client from disconnecting from the internet in the process of surfing online. The method comprises: after receiving DHCP request message transmitted by the wireless client, a wireless access point (AP) looks for the existence of a list item corresponded with the MAC address, if no list item exists, the DHCP request message is forwarded to a DHCP server, if yes, the IP address in the list item corresponded with the MAC address is allocated to the wireless client. The method, the system and the facility for preventing a wireless client from disconnecting from the internet in the process of surfing online can avoid disconnection from the internet when a network card of the wireless client is flash off.

The invention discloses a method, equipment and a system for saving energy for a base station, relating to the communication field and solving the problem of higher probability of dropped call of a user in a process of energy saving of the base station in the prior art. In the method, if detectiong that a cell in a normal working state meets a cell energy saving condition, base station energy saving control equipment sends an indication message of closing the cell to base station energy saving executing equipment, wherein the indication message comprises adjusting step length and / or adjusting time interval for gradually adjusting transmission power of a main common pilot channel; and the base station energy saving executing equipment receives the indication message for closing the cell and reduces the transmission power of the cell main common pilot channel according to the adjusting step length and / or adjusting time interval in the indication message. The embodiment of the invention is mainly used in the process of energy saving of the base station, effectively realizes the energy saving of the base station and reduces the probability of dropped call of the user.

The method includes steps: when sending control protocol data unit (PDU), retransmission data PDU and new transmission data PDU to MAC-d entity, radio link control entity labels their type information; based on the said type information, after using retransmission data PDU and control PDU to generate data frame in higher dispatching priority, using new transmission data PDU to generate data frame in lower dispatching priority, MAC-d entity sends these data frames to MAC-hs entity; MAC-hs entity distributes received retransmission data PDU and control PDU in data frame in higher dispatching priority to corresponding queue in higher dispatching priority, and distributes received new transmission data PDU to corresponding queue in lower dispatching priority. Advantages are: shortening time of control PDU and retransmission data PDU for waiting in queue, avoiding terminal call loss, and increasing down going data transmission speed greatly.

The invention discloses an antenna adjustment method and a base station, wherein the method comprises the steps that: the base station determines the position coordinate of a user terminal that the base station serves; the base station determines a traffic-intensive area according to the position coordinate of the user terminal; and the base station adjusts the azimuth angle of an antenna according to the traffic-intensive area. The invention determines the traffic-intensive area by conducting statistics to the position of user equipment (UE) so as to adjust the angle of the antenna, adapt to the changes of traffic distribution and avoid congestion and cut-off.

This invention discloses a method for synchnizing master and backup in a memory data bases including: initializing the database, registering lists being synchronized in the database in an out-of-step image registration region and initializing the corresponding out-of-step image region and queues, writing the vary number of the wary list into corresponding out-of-step queue of related lists and register the varlance in a related out-of-stop, bundling and sending the out-of-step registration to the receive end data base and canceling the related registration in the out-of-step image region and out-of-step queue. The receive end data base receives data and refreshes related list register to return back the answered information to continue synchronizing other out-of-step data.

The invention discloses a network energy-saving method based on base stations to be closed preferably. Firstly, an access function of a user and load functions and energy consumption functions of the base stations are defined, cost brought by closing of a certain base station to increase of loads of a whole network is estimated by means of the defined functions, a base station sequencing method is designed on the basis of network cost, and ultimately, accordingly to sequencing of the base stations, the base stations which are good in energy-saving effect are closed preferably, and switching is finished by the user according to the rule that the network loads are increased in the minimized mode. According to the method for closing the base stations preferably, overall consumption of network energy can be reduced, performance is close to the optimal value of exhaustive solving, and meanwhile calculation complexity is greatly reduced.

The invention discloses a reestablishing method of an RRC (Radio Resource Control) connection in an LTE (Long Term Evolution) system and a base station. In the method, when failing to switch from a source base station eNB to a target eNB, UE sends an RRC connection reestablishing request message to the target eNB, the target eNB sends the RRC connection reestablishing request message to the UE, the UE sends an RRC connection reestablishing finishing message to the target eNB, the target eNB sends an RRC connection configuration message to the UE, the UE sends an RRC connection configuration finishing message to the target eNB, and the target eNB sends a notification message to an EPC (Evolution Packet Switching Center). With the technical scheme, the dropped call condition caused by failed switching between the UE and the eNB can be avoided.

The invention discloses a cell switching control method, network equipment and a system, which relate to the technical field of communication, can ensure that a terminal is switched to a proper cell and avoid dropped call of the terminal, do not affect normal test of the cell and ensure the normal work of a cell retention mechanism. The cell switching control method provided by the embodiment of the invention comprises the following steps of: acquiring switching judgment information required when the terminal is switched to a target cell, wherein the switching judgment information comprises public local mobile network (PLMN) information of the terminal; and controlling the switching from the terminal to the target cell according to the switching judgment information. The method is suitable for the scenes which need to control cell switching.

The invention relates to a method controlling a downlink power and a device thereof, wherein the method includes the following steps: the downlink TPC error-receiving rate PTPC_BER_Est is measured in real-time and is estimated according to the uplink dedicated channel pilot error-receiving rate PBER_Cur; the current downlink TPC PTPC(k) is maintained if the current downlink TPC error-receiving rate PTPC_BER_Est is lower than or equal to the default threshold PTPC_BER_Target, otherwise, the current downlink TPC TPTC(k) is set to zero to perform real-time inner ring power control. The device comprises an estimation module for the downlink TPC error-receiving rate and a regulation module for the downlink power which are sequentially connected with each other. The method and the device determine the quality of the uplink signal through measuring the pilot error-receiving rate, then evaluates the reliability of the downlink TPC power control command received by the network side as a foundation to the downlink power control, thereby avoiding the overdeviation of the downlink power caused by the poor quality of the uplink signal.

The invention belongs to the technical field of central resource management and resource consultation, and discloses a resource reservation method and system based on flow direction prediction, as well as a mobile communication system. The resource reservation method comprises the steps of: acquiring historical data of flow direction between cells; analyzing and pre-processing the data; performingdivision and feature extraction for the processed data set; selecting different models to perform training, adjusting parameters to achieve the highest prediction accuracy of the model; performing real-time fusion for prediction results of two models; performing resource reservation according to the prediction result by a network; and determining whether a spacial flow direction operation is required by judging the relationship between the number of the reserved resources and the number of the resources which the cell can provide. The resource reservation method of the invention has the beneficial effects that: real-time changes can be performed according to network characteristics through model fusion; at the same time, the phenomenon of excessive or insufficient resource reservation ina conventional reservation algorithm can be avoided through adoption of a resource reservation algorithm designed in the method, and load balance of the network can be achieved through the spacial flow direction operation.

The invention discloses a user device switching method, device and system during base station configuration change, and relates to the communication technology. When a base station determines that cell split or merge needs to be executed, a notification message is sent to an adjacent base station by the base station, the notification message carries the information of local cells to be split or merged and the information of cells to be generated, the adjacent base station prepares UE switching preparation according to the notification message, the switching request signalling includes the RRC reestablishment information of the cells to be generated or the merged cells, so the base station in which the cell split or merge condition occurs can reestablish RRC connection successfully according to the information, so the user call dropping can be avoided, and the influence of the base station configuration change and the user service quality can be reduced.

The invention discloses a measurement processing method and a device, user equipment of communication events, wherein the method includes the steps of detecting UPH information and SNPL information of user equipment, responding that the detected a UPH value is less than a preset UPH threshold value, and / or a detected SNPL value is less than a preset SNPL threshold value, shortening a preset measurement cycle into the smaller preset measurement cycle, and measuring reported events; responding that measured results of the measured report events can meet triggering conditions of the corresponding measured report events in preset time, and not launching any measured reported message of the measured reported events in the preset time, and reporting the measured reported message of the corresponding measured report events to network equipment, wherein the preset time is less than the triggering time of the reported condition parameters representing the measured report events. When user equipment (UE) services is low in performance, and large in interference of communication systems of adjacent plots, a switch process can be started as soon as possible, service interruption probability and call drop rate are reduced, and the quality of the service is improved.

The invention discloses a method and device for deactivating a cell, which are used to avoid user call drop caused by the deactivating cell. A method for deactivating a cell provided by the present invention includes: receiving a cell delay deactivation shutting down request, determining that the cell needs to be deactivated according to the shutting down request; before deactivating the cell, sending a message to a user equipment UE in the cell Measurement configuration information that instructs the UE to perform cell measurement. When the measurement result reported by the UE is received, the UE is handed over to a neighboring cell according to the measurement result reported by the UE.

Disclosed are a radio access network congestion management method and apparatus, applied in a Policy and Charging Control (PCC) architecture, a load sensing function being provided in the PCC architecture. The method comprises: the load sensing function acquiring traffic information of each user equipment (UE) and information about a cell which the UE accesses, collecting statistics on the load of each cell, and determining a congested state of each cell according to the load of each cell. Also disclosed are a radio access network congestion strategy management method and system. The present invention enhances the load control capability of the PCC architecture, avoids cell call drop, unsmooth access, and other situations of reduced service quality from occurring in some cells of the network due to load congestion, and provides better service quality for the user.

Disclosed are a multi-card multi-standby communication terminal and a receiving and sending conflict processing method and device of the multi-card multi-standby communication terminal. The receiving and sending conflict processing method of the multi-card multi-standby communication terminal comprises the steps that whether the protection state of a receiving and sending conflict is started or not is determined according to the type of receiving and sending signaling or data; when the receiving and sending conflict exists between a business card and a non-business card, if the fact that the protection state is started is recognized, signaling or data corresponding to the business card are received and sent, and signaling or data corresponding to the non-business card are discarded. According to the technical scheme, the serious problem that call dropping occurs when the business card carries out the business due to the receiving and sending conflict between the business card and the non-business card can be effectively solved.

The invention provides a network switching method and system; wherein the method is applied in a dual-card terminal; a first card is in support of an LTE network; a second card is in support of a 3G / 2G (The2 / 3th Generation mobile communication technology) network; the method comprises following steps of in a process that the dual-card terminal uses the first card to carry out an LTE call, determining that the dual-card terminal is about to execute an SRVCC (Single Radio Voice Call Continuity) switching process; applying CS domain network resources demanded when the dual-card terminal executes the SRVCC switching process, wherein the CS domain network resources are applied through the second card of the dual-card terminal instead of the first card; and when the dual-card terminal executes the SRVCC switching process, finishing the SRVCC switching process through adoption of the CS domain network resources applied in advance. According to the method and the system, the purpose of reserving the CS domain network resources demanded for executing the SRVCC switching process in advance is realized; the waiting time when the dual-card terminal carries out network switching is reduced; and call interruption of the dual-card terminal resulting from network switching is avoided.

The embodiment of the invention discloses a spectrum allocation method and a spectrum allocation system, a base station and user equipment. The spectrum allocation method comprises the following steps of: sending an indicating message to the user equipment, and informing the user equipment of a preset switching time point in an implicit or explicit mode, so that the user equipment is synchronized to a service cell of an updated carrier parameter after the preset switching time point, wherein the indicating message comprises the updated carrier parameter; and switching on the preset switching time point, so that the service cell of the user equipment uses the updated carrier parameter, wherein the carrier parameter comprises the carrier frequency and / or carrier bandwidth. By the embodiment of the invention, the dynamic allocation of long term evolution (LTE) system bandwidth and the center frequency is realized, the problems of drop-call of the user equipment or no service cell and the like in the process of LTE spectrum allocation are solved, and the service quality is improved.

The invention discloses a picocell sleep joint optimization method based on energy efficiency and traffic load. A cell utility function is defined according to influence of the energy efficiency and the traffic load on the performance of cells in a multilayer heterogeneous network, and then a network system performance function is defined according to influence of the performance of different types of cells on the performance of the network system. Whether sleeping of a certain picocell enhances or reduces the performance of the whole network system is estimated by utilizing the defined functions, and sleeping of the picocell is performed if system performance is enhanced, or the picocell is maintained to be on. With application of the method, sleeping difficulty is different according to different positions of the picocells in sleeping of the picocells so that reasonable sleeping of the picocells can be performed. Meanwhile, energy consumption can be reduced by applying the method without overload of a single cell so that the performance of the network system can be maintained to be in the great state.

The embodiment of the invention discloses a method for optimizing cell reselection, which comprises the following steps that: an RNC receives a cell update message CELL UPDATE sent by UE, wherein thecell update message comprises a cell for representing cell information; and the RNC judges whether a cell update response message transmitted to the UE carries reconfiguration information according tothe cell, and if so, the cell update response message comprising the reconfiguration information is sent so as to reconfigure the UE according to the reconfiguration information, otherwise, the cellupdate response message does not comprise the reconfiguration information. The embodiment of the invention also provides a device for optimizing the cell reselection. Through the embodiment of the invention, the RNC can determine the current configuration information of the UE and accurately write a cell update confirmation message after the UE performs a plurality of times of cell update and theRNC performs reconfiguration on a logic channel or a transmission channel or a physical channel of the UE.

The invention relates to the technical field of real-time monitoring, in particular to the third generation telecommunication (3G) module capable of monitoring a light-emitting diode (LED) release system. The 3G module capable of monitoring the LED release system is used for monitoring an upper computer and a network module of the LED release system. The 3G module capable of monitoring the LED release system comprises a data transmission module, a control module, a restart module and a power supply module, wherein the data transmission module is connected with the upper computer and is used for carrying out communications, the control module is connected with a data transmission interface and is used for monitoring the upper computer, the restart module is connected with the control module, the upper computer and the network module, the power supply module is used for power supply for the data transmission module, the control module and the restart module, the data transmission module is in synchronous communication with the upper computer, receives real-time communication data and sends out into the control module, the control module is used for monitoring the communications with the upper computer according to preset judgment rules, if the communications between the upper computer and the control module is interrupted, a command will be sent out to the restart module, so that the upper computer and the network module can be restarted. Due to the fact that the running state of the upper computer can be monitored in real time, the problems that 3G network card is lost connection, the release system breaks down, and inconvenience is brought to a user are avoided.

A method for switching the user equipment among different IP networks, the method includes that: the user equipment to be switched, carrying the session renegotiation for switching to the object IP network with the opposite end, bases on the dialog which has been established at the IP network to be switched, and via the voice call continuity application server, switching to the object IP network after the session renegotiation with the opposite end. A corresponding voice call continuity application server, a proxy call session controlling function entity and a user equipment.

The invention discloses a switching method of an internal communication. The method comprises the following steps: when detecting that the interference received by a carrier frequency of the current internal communication exceeds a set threshold value, sending a notification message for selecting a standby carrier frequency to perform the internal communication to the terminal in the internal communication; determining that the terminal is switched to the standby carrier frequency, establishing a channel for communication by using the standby carrier frequency and the terminal, and transmitting the communication service between the standby carrier frequency and the terminal by using the established channel of the standby carrier frequency. The invention further discloses a switching device of the internal communication. Through the adoption of the technical scheme disclosed by the invention, the problem that the internal communication in a hybrid network is easy to be interfered by a wireless network communication signal can be solved, the call interrupt phenomenon caused by the condition that the internal communication is interfered is overcome, and the communication quality of the internal communication is prompted.

The embodiment of the invention provides a cell switching method, a terminal and a base station, relates to the field of communication, can avoid the problem of offline caused by cell switching of theterminal in a high-speed motion state, and improves the user experience. The method comprises the following steps: a terminal sends a measurement report to a source base station, wherein the measurement report comprises the signal quality of at least one cell, and the at least one cell comprises a source cell; a source base station receives a measurement report sent by the terminal; if the sourcebase station determines that the signal quality of the target cell meets a first strategy, switching judgment information is acquired, wherein the switching judgment information is used for indicating the target base station to allow the terminal to access, and the target cell is a cell provided by the target base station; the source base station sends a first message to the terminal; and the first message comprises an identifier of the target cell. The terminal receives the first message sent by the source base station; and if the terminal determines that the signal quality of the source cell and the signal quality of the target cell meet a second strategy, switching from the source cell to the target cell. The present invention is used for cell handover.