30results about How to "Solve the problem of dropped calls" patented technology

The invention provides a measuring and reporting method and terminal of unauthorized carriers, and a configuration method and base station of the unauthorized carriers. The measuring and reporting method comprises the following steps: receiving a measurement control message sent by a base station, wherein the measurement control message carries indication information, and the indication information is used for indicating to-be-measured unauthorized carriers; measuring a plurality of pilot signals from different target cells on the unauthorized carriers indicated by the indication information, and reporting measurement results of the pilot signals to a third layer of an air interface protocol layer; recording timestamps corresponding to the measurement results of the pilot signals on the third layer of the air interface protocol layer; operating time difference values of every two adjacent timestamps in the recorded timestamps, wherein an operation result is used for indicating the occupation condition of the base station on the unauthorized carriers and the conditions of the measured pilot signals that can be received by the terminal; and reporting the operation result to the base station. By adoption of the measuring and reporting method provided by the invention, the problem of call drop resulting from that the base station cannot make accurate and reasonable judgment in related art is solved.

The embodiment of this invention discloses a processing method of a VoLTE service. The method comprises the following steps: in a communication process of the VoLTE service, measuring the signal intensity of a LTE (Long Term Evolution) network in a current service cell; if a measurement result satisfies a measurement report condition, detecting whether an RRC (Radio Resource Control) connection exists between the current service cell and a network side or not; if the RRC connection does not exist between the current service cell and the network side, sending the RRC connection request information to the network side to establish the RRC connection with the network side; sending the measurement result to the network side through the RRC connection; and indicating the network side to trigger a SRVCC (Single Radio Voice Call Continuity) process through the measurement result. The embodiment of this invention further discloses a processing device of the VoLTE service and a terminal. By adopting the processing method, the processing device and the terminal, an abnormal call drop of the VoLTE service can be prevented on the premise of imperfect network configuration.

The invention discloses an address distribution method and an address distribution device, which are applied to a system containing a dynamic host configuration protocol (DHCP) server and a DHCP client side. The address distribution method includes that: the DHCP server receives contract extension requests sent by the DHCP client side; the DHCP server judges whether addresses requesting for contract extension are contained in a conflict lease recorded by itself, the DHCP server returns a DHCP-negative acknowledge (NAK) message to the DHCP client side and collects the addresses requesting for contract extension in a DHCP address pool on yes judgment; and the DHCP server selects addresses from the DHCP address pool for performing matching when the DHCP server receives address acquiring requests sent by the DHCP client side later. On premises of not adding additional memory expense, the address distribution method and the address distribution device solve problems of disorder in address distribution and even dropping of constant users caused by lease loss of stand-alone devices.

The embodiment of the present invention relates to the field of wireless communication technology, and discloses a method, device, and system for wireless voice concurrent transmission. The method includes: a receiving device receives binding requests from multiple sending devices; According to the binding request, assign each sending device to a unique antenna, and determine the time slot number of the sending device according to the order of the binding request; the receiving device controls the antenna every other beacon Periodically send a beacon frame, so that after the sending device receives the beacon frame, according to its corresponding time slot number, in the time slot corresponding to the time slot number in the beacon period, send to the receiving device The device sends voice data frames. Through the above-mentioned method, the embodiment of the present invention can solve the technical problem of dropped calls during concurrent voice transmissions and a small number of concurrent voice transmissions, and achieve a large number of concurrent voice data transmissions and stable voice data transmission.

The inventive embodiment relates to digital subscriber line technique and discloses a power management method, which comprises receiving a request for increasing transmission power from a first circuit; determining which in-bundle circuit will be interfered when the transmission power of the first circuit is increased; sending a command of velocity down regulation to the in-bundle interfered circuit; and notifying the first circuit to increase the transmission power after the down regulation of velocity in the in-bundle interfered circuit is completed. The power management method, provided in the inventive embodiment, can solve the problems that the sudden increase in transmission power of the circuit may cause the sudden change in crosstalk transient state of the in-bundle interfered circuit and the rise of code error rate, resulting in the line disconnection. The inventive embodiment also provides a device and a system for power management.

Disclosed is a method for processing a VoLTE service, comprising: measuring the signal strength of an LTE network of a current serving cell during a VoLTE service call process; if the measurement result satisfies a measurement reporting condition, detecting whether an RRC connection with a network side currently exists; if no RRC connection with the network side currently exists, sending an RRC connection request to the network side to establish an RRC connection with the network side; and sending the measurement result to the network side by means of the RRC connection, the measurement result being used for instructing the network side to trigger an SRVCC process. Correspondingly, also disclosed are a device for processing a VoLTE service and a terminal. The embodiments of the present invention can avoid abnormal drop call while the network configuration is imperfect.

The present invention discloses a method for cell synchronized handover, which comprises: a relay performs relay processing on the signals from a source Base Station (BS) of the current serving cell, and then forwards the processed signals to a terminal; the relay and the terminal perform detection for the signal strength of neighboring cells in the moving direction; according to the detection result, when the handover condition is determined to be satisfied, the relay interrupts the signal forwarding with the source BS, performs relay processing on the signals from a target BS, then forwards the processed signals to the terminal, and the terminal performs handover to the target BS. The present invention also discloses a system for cell synchronized handover. The method and system of the present invention solve the problem of call drop in prior art which happens when the terminal performs cell handover in high speed scene.

The present disclosure provides a method for evaluating cross-cell coverage, which includes: finding, according to a neighboring cell configuration table of a cell in a base station, a cell with a number of configured neighboring cells that is larger than a number threshold for configured neighboring cells; designating the found cell as an original cell; carrying out a processing to obtain the cross-cell coverage evaluation parameters of the original cell; and determining the original cell i provides and / or suffers from cross-cell coverage when the cross-cell coverage evaluation parameter of the original cell exceeds respective cross-cell coverage evaluation thresholds. The present disclosure further provides an apparatus for evaluating cross-cell evaluation, which is capable of determining whether or not a cell provides cross-cell coverage to make parameters of a wireless network adjusted timely and limit the coverage of the wireless network in a supposed one.

The invention discloses a path switching method based on intra-station switching. The method comprises the following steps of detecting whether a terminal completes switching between cells in a base station; when a message that the terminal completes the intra-station switching is received, extracting GTP-U layer tunnel information; comparing the extracted GTP-U layer tunnel information with the GTP-U layer tunnel information before terminal switching; and if path information before and after the terminal switching is not consistent, carrying out path information exchange with a core network in order to complete path switching. The invention further discloses a switching system. According to the method and the system, a problem that the terminal has call drop after the terminal switches between the cells in the base station can be solved, so that the service continuity is guaranteed, and the user experience is improved.

The present invention provides a method for preventing user disconnecting in static migration, wherein the method in the executing course of static migration comprises the following procedures: receiving radio link control RLC sequence number information transmitted by a service radio network controller SRNC corresponding with user equipment UE by a drifting radio network controller DRNC; and processing the protocol data unit PDU sequence transmitted by UE by DRNC with the RLC sequence number information. The invention also provides a system for preventing user disconnecting in static migration and a radio network controller RNC. The application of the invention can settle the problem of user disconnecting when PDU sequence is transmitted by UE to DRNC and increase the user experience in the period when the RLC sequence number information sustained by UE and DRNC is not consistent in the static migration.

The present invention provides a method and a system for controlling start of a compressed mode. The method comprises the following steps: when User Equipment (UE) performs an inter-frequency measurement or an inter-system measurement, the UE determines that a network side indicates the UE not to start the compressed mode, according to a measurement control message received from the network side (S102); for N downlink auxiliary carriers of the downlink auxiliary carriers other than the downlink auxiliary carriers corresponding to the uplink auxiliary carriers, the UE does not start the compressed mode, wherein N is greater than or equal to 1 (S104). The present invention ensures continuity of calls, increases utilization ratio of system resources and improves system performance.

The invention discloses a digital repeater and a downlink signal processing method thereof. The method comprises the following steps of: S1, receiving a downlink signal transmitted by a base station and separating a downlink radio-frequency signal from the downlink signal; S2, detecting the downlink radio-frequency signal and extracting a base station signal of a base station with highest signal intensity; S3, generating a pseudo-pilot signal and a pseudo-synchronous signal, wherein the pseudo-pilot signal and the pseudo-synchronous signal are respectively the same as a corresponding pseudo-pilot signal and a corresponding pseudo-synchronous signal in the extracted base station signal; S4,combining the pseudo-pilot signal and the pseudo-synchronous signal with the downlink radio-frequency signal to form a selectively amplified downlink radio-frequency signal; and S5, processing the selectively amplified downlink radio-frequency signal and transmitting a processed downlink signal to a mobile terminal. The method reduces pilot pollution, eliminates a self-excitation loop, makes engineering installation and debugging become simpler, and also solves the problem of low call completion rate and handoff drop call.

Radio frequency remote method, device and systems are disclosed. The RRU is added on the basis of the original coverage area of the base station system, the RRU accesses the original base station system by using the radio bearer between the UE and the base station system. The RRU can be deployed movably or fixedly according to actual needs, and forms complementary coverage area with the original base station system, supplements the coverage blind spot area, and solves the call dropping problem after the UE enters the coverage blind spot area of the original base station system. The radio frequency remote method comprises the following steps: a first radio frequency remote unit RRU receives a communication address sent by a first user equipment UE, wherein, the communication address is obtained after the first UE accesses a base station system; according to the communication address, the first RRU establishes a new cell using a radio bearer between the first UE and the base station system as a transmission link, the base station system comprising a base station, a baseband processing unit BBU and a second RRU.

The invention relates to a method for refreshing region, which comprises: a, user terminal sends region refresh request; b, wireless network controller receives the request and feedbacks refresh confirmation to the user terminal; c, user terminal via the confirmation sends answer message to the controller; wireless network controller receives the answer message to manage the user terminal and complete the refresh process. In one region refresh process, the region refresh confirmation feedback from wireless network controller carries same mark.

The invention provides a processing method and device for re-establishment in the process of cross-base station handover. Wherein, the method includes: when the target base station receives a radio resource control (RRC) connection re-establishment request of the user equipment (UE) in the handover preparation phase, the target base station suspends the handover preparation process and executes the RRC connection re-establishment process; when the target When the base station receives the UE's RRC connection re-establishment complete message, the target base station activates the handover preparation process, sends an RRC connection reconfiguration message to the UE, and sends a handover confirmation message carrying an extended cause value to the mobility management entity (MME) or the source base station. Through the present invention, the processing strategy of the target base station receiving the RRC connection re-establishment request in the cross-base station handover preparation stage is proposed, which reduces the occurrence rate of UE call drop caused by the RRC connection re-establishment failure in the handover preparation process, and improves the handover stability and user experience.

The invention discloses an intersystem cell switching method, device and system in a packet-switched domain service. The method comprises the following steps: UE (user equipment) confirms that an NAS (network attached storage) process fails in a process of switching to a target access network from UTRAN (Umts Terrestrial Radio Access Network); the UE is switched into the UTRAN again; and the UTRAN is informed that cell switching fails. With adoption of the intersystem cell switching method, device and system in the packet-switched domain service which are disclosed by the invention, the problem that the UE drops as NAS access is unsuccessful when the UE is switched into GERAN (Gsm Edge Radio Access Network) from the UTRAN is solved, system performance is improved, and user experience is improved.

Provided are a method for handling a network coverage hole, a micro base station and a related apparatus capable of solving a coverage hole problem and increasing capacity of a micro base station. The method of the invention comprises: receiving, by a micro base station, measurement information reported by a UE to determine whether there is actual measurement information matching the measurement information in an actual measurement information set; if so, determining, by the micro base station, a target cell from neighboring cells according to the measurement information or the actual measurement information matching the measurement information; conducting, by the micro base station, a handover negotiation with a target base station; and if the negotiation is successful, transmitting, by the micro base station, a cell handover command to the UE to move the UE from a service cell to the target cell. Also provided are a micro base station and a related apparatus capable of realizing the above method.

The invention provides a measurement reporting method of an unlicensed carrier, a terminal, a configuration method and a base station. Wherein, the measurement reporting method includes: receiving a measurement control message sent by the base station, wherein the measurement control message carries indication information, and the indication information is used to indicate the unlicensed carrier that needs to be measured; the measurement on the unlicensed carrier indicated by the indication information comes from different Multiple pilot signals of the target cell, and report the measurement results of the pilot signals to the air interface protocol layer layer three; record the time stamps corresponding to the measurement results of the pilot signals in the air interface protocol layer layer three; the recorded time stamps The operation is performed on the time difference between two adjacent time stamps, where the result of the operation is used to indicate the occupancy of the base station on the unlicensed carrier and the condition that the terminal can receive the measured pilot signal; report the result of the operation to the base station. Through the present invention, the problem of call drop caused by the inability of the base station to accurately make a reasonable judgment in the related art is solved.