71results about How to "Improve call rate" patented technology

The invention discloses a pseudo base station recognition method, a device and a terminal, and belongs to the technical field of the communication. The method comprises the following steps: redirecting the terminal to a target cell capable of performing the circuit domain business when receiving a first call request in a first service cell incapable of performing the circuit domain business; sending a location update request to the located base station of the target cell when multiple stored location area identifiers (LAI) do not comprise the LAI of the target cell, wherein the multiple LAIs are obtained through the sending of the located base station of the first service cell; when receiving a update reject message sent by the located base station of the target cell and the update reject message carries an appointed reason value, determining the located base station of the target cell as the pseudo base station. By use of the recognition method disclosed by the invention, the accuracy of recognizing the pseudo base station can be improved, and then a condition that the subsequent terminal is faulty resided to the cell of the pseudo base station can be avoided, the normal call to the terminal is guaranteed, and the call completion ratio is effectively improved.

A method for processing emergency call in wideband CDMA system includes configuring an emergency call indication cell in setup request message of radio access load to indicate whether the call is an emergency call or not, setting content of indication cell on said emergency call to be true after emergency call is identified out and sending said message containing said cell to radio network controller by core network device, identifying out said call to be emergency call by said controller according to said cell then distributing radio resource onto said emergency call to set up radio load preferentially by said controller.

The method comprises: deciding if some frequency points whose load is lower than a preset frequency point exist in the cell; if yes, then allocates in priority the users to the frequency point in said frequency points with least residue code resources; if not, allocating user to the frequency point with least power or interference. When all frequency points are evenly distributed, allocating the low rate user to the frequency point with most unbalanced level of time slot, and allocating the high rate user to the frequency point with least unbalanced level of time slot; when the time slot load of each frequency point is evenly distributed, the low rate user is allocated to the frequency point with highest code channel fragments level, and the high rate user is allocated to the frequency point with least code channel fragment level.

The invention discloses a method for improving the access success rate of a multi-card and multi-standby mobile terminal and the mobile terminal. A conflict cell list between standbys is arranged in the multi-card and multi-standby mobile terminal, and when a first user identification card in the multi-card and multi-standby mobile terminal executes frequency band searching, frequency points conflicting with current residing cells of the other user identification cards in the multi-card and multi-standby mobile terminal in the frequency band searching result of the first user identification card are filtered according to the conflict cell list between the standbys. According to the method and the multi-card and multi-standby mobile terminal, when a certain user identification card executes cell reselection or cell selection, the user identification card is made not to try to conflict with the current residing cells of the other user identification cards, the cell reselection or cell selection process can be effectively shortened, the call completion ratio can be effectively improved, the number of network failure is reduced, power consumption of mobile equipment is reduced, and thus normal operation of service communication is guaranteed, and work performance of the multi-card and multi-standby mobile terminal can be more stable and reliable.

This invention discloses a method for improving session quality of a centerless multi-channel address-selection mobile communication system including the following steps: storing an inter-call signaling data list, processing the list, modifying a channel search collating list and applying it and applying a random number pointer method to search for and select idle channels used in the following four work states on the calling station: starting call after a session time limit after switching-on, starting the call in the limit of session time or immediately starting the call when re-switching-on within the time limit, starting the call immediately after the limit time when re-switching-on and the master station starts set calls, some steps are different. The last step of the fourth state is to check the calling number and the called number in the inter-call signaling data list to see if they are the user numbers in a same set belonging to this calling station.

The invention discloses an intelligent satellite communication system and method based on the Internet protocol (IP) network and the E1 network. The system comprises a fixed station, a ground communication network and a resource scheduling server. The method includes the following steps that S10 a fixed station information channel terminal received registering information of a mobile terminal through a satellite; S20 the resource scheduling server is connected with a fixed station information channel terminal and acquires and stores registering information of the mobile terminal; S30 a fixed station intelligent interchanger inquires the registering information in the resource scheduling server when calling is conducted and builds a communication information channel according to the registering information. By means of the system and the method, the fixed station interchanger is modified and upgraded and is in communication connection with the resource scheduling server to achieve resource sharing of the satellite communication system and achieve sole arrangement or unified management of mobile terminal numbers. When a mobile terminal is called, the calling success ratio is greatly improved. The system and method can be widely applied to various satellite communication systems.

The invention discloses a pseudo base station identification method, device and terminal, which belong to the technical field of communication. The method includes: when a first call request is received in a first serving cell that cannot perform a circuit domain service, redirecting the terminal to a target cell that can perform a circuit domain service; when the stored multiple LAIs do not include the target cell When the LAI is determined, a location update request is sent to the base station where the target cell is located, and multiple LAIs are sent by the base station where the first serving cell is located; when the location update request does not receive a response from the base station where the target cell is located within the first preset time period, And when the time interval at which the base station where the target cell is located instructs the terminal to update the location is greater than the second preset duration or less than the third preset duration, the base station where the target cell is located is determined as a pseudo base station. The invention improves the accuracy of identifying the pseudo base station, thereby preventing the terminal from incorrectly camping on the cell of the pseudo base station, ensuring normal calls to the terminal, and effectively improving the call-through rate.

The invention discloses a method for measuring the interference from adjacent cells in the downlink direction based on a CDMA system. The method of the invention comprises the steps that: 1) the RSSI of a carrier frequency where a target cell locates is obtained when UE is switched; 2) the transmission code power (TCP) of the base station of a source cell to the UE and the interference to the UE by other users of the cell are then obtained; 3) when the UE is switched to a target cell with the same frequency, the interference from the adjacent cells in the downlink direction to the UE is RSSI - the transmission code power (TCP) of the base station of the source cell to the UE - the interference to the UE by other users of the cell; 4) when the UE is switched to a target cell with the same frequency, the interference from the adjacent cells in the downlink direction to the UE is RSSI - the interference to the UE by other users of the cell. By adopting the method of the invention, the accuracy for measuring the interference from downlink adjacent cells of the CDMA system can be improved, thereby improving the accuracy for estimating the algorithm of downlink admission control and open-loop power control during the process that the UE is switched and also effectively improving the call completion ratio and the stability of the system.

The present invention discloses a method for improving the call performance and a base station controller (BSC). The BSC resolves the transparent transmission message sent from the terminal, judges whether the transparent transmission message is a link disconnect request, and records the link disconnect request. And then the BSC determines whether to initiate a handoff for the terminal according to that whether the link disconnect request is locally recorded. The problems of the abnormity of cellphones and the waste of BSC resources allocation are resolved in the present invention.

The invention relates to a telephone calling method and device and a terminal. The method comprises the steps that a calling starting message is sent to a network; a timer is started to start timing when the calling starting message is sent; whether a response, showing successful access, of the network is received within a set time or not is judged, wherein the set time is larger than the calling starting interval time; when the response of the network is not received within the set time, or the response shows unsuccessful access, a calling release message is sent to the network, the timer is reset, and the step of sending the calling starting message to the network is executed; if a response, showing successful access, of the network is received within the set time, telephone calling is completed. The method can rapidly judge whether calling is rejected by the network or not responded due to a network signaling error, therefore, rapid recalling is conducted under corresponding conditions, the call completion rate of a telephone is increased, and the user experience is improved.

The invention discloses a method for improving the reliability of location update in a wireless local telephone system. The core idea is to save the information of the user's previous call area on the HLR, and set a state machine on the HLR to identify each state in the location update process. According to the judgment of the message reported by the BSC, the state transition and corresponding processing are carried out. When the call area information error caused by the incomplete location update process, the HLR will actively initiate the location confirmation process to the user. By adopting the method of the present invention, the reliability of the location update process in the wireless local telephone system is improved, the problem of wrong calling area information caused by message loss is largely avoided, and the call loss when called is reduced. It improves the call rate of the whole system and the satisfaction of users, and at the same time reduces the workload of system maintenance personnel.