37 results about "ECall" patented technology

Methods, systems, and devices are described for wireless communication. A wireless device such as an in-vehicle system (IVS) may transmit an emergency call (eCall) message to a third party eCall server using a communication session which may be packet based or circuit based. The eCall message may include session information and telematics data. The third party eCall server may relay the session information and telematics data to a public safety answering point (PSAP). For example, the third party eCall server may generate an automatic text-to-speech message that is transmitted to the PSAP over a public communications network. In some cases, the third party eCall server may transmit a response to the wireless device including metadata based on the telematics data transmitted in the eCall message. The eCall message may also include a call-back number, and the PSAP may contact the wireless device directly using the call-back number.

Disclosed herein is a method for transmitting information for a neighboring vehicle UE of a first vehicle UE using V2X (Vehicle-to-Everything) communication in a wireless communication system.The method includes receiving a first V2X message from at least one the neighboring vehicle UE; generating a second V2X message based on the received first V2X message when an accident triggering an eCall (emergency call) occurs, checking whether the second V2X message is ready to be transmitted to the first network entity; and transmitting at least one of the eCall, a minimum set of data (MSD) forming the data component of the eCall, or the second V2X message to the first network entity according to the result of the check.

A method for controlling antennas in a vehicle having an external antenna and an internal antenna includes triggering an eCall service function upon sensing an accident occurrence event, measuring a quality of one or more wireless signals received through the external antenna, comparing the measured quality of the wireless signals with a reference quality value, and selecting one of the external antenna and the internal antenna to be used in the eCall service function based on the results of the step of comparing the measured quality of the wireless signals with the reference quality value. A system of emergency communication of a vehicle is also provided.

An emergency call apparatus is provided that includes an applications processor and a code division multiple access (CDMA) modem. The applications processor is configured to receive current location data and vehicle crash data from sensors disposed in an automotive vehicle, and is configured to automatically establish a voice connection with an emergency services center, and is configured to transmit the location and vehicle crash data to the emergency services center within a prescribed time period. The CDMA modem is coupled to the applications processor and is configured to format and transmit a plurality of protocol data units (PDUs) over a single traffic channel that includes both primary traffic corresponding to the voice connection and other traffic corresponding to the location and vehicle crash data.

Disclosed in the embodiments of the invention are a vehicle-mounted emergency call method and device, used for solving the problems of an emergency rescue centre being unable to acquire an MSD due tothe current service state of a wireless network being invalid and the low probability of the emergency rescue centre successfully acquiring an MSD due to a poor wireless network signal. The specific solution comprises: acquiring an MSD; and, when determining that the wireless communication function of a vehicle-mounted eCall apparatus has a fault, sending the MSD to an auxiliary device by means ofa near distance communication module, such that the auxiliary device sends the MSD to a server. The embodiments of the application are used in the process of a vehicle-mounted eCall apparatus issuingan emergency call.

A method for controlling antennas in a vehicle having an external antenna and an internal antenna includes triggering an eCall service function upon sensing an accident occurrence event, measuring the quality of one or more wireless signals received through the external antenna, comparing the measured quality of the wireless signals with a reference quality value, and selecting one of the external antenna and the internal antenna to be used in the eCall service function based on the results of the step of comparing the measured quality of the wireless signals with the reference quality value. A system of emergency communication of the vehicle is also provided.

Disclosed are techniques for supporting inter-RAT mobility of a UE in an eCall-only mode. In an aspect, the UE establishes a communication session for an eCall or a test / reconfiguration call, releases the communication session for the eCall or test / reconfiguration call, starts a timer based on at least one of (i) release, by the UE, of a PS signaling connection for a UMTS access for the communication session, (ii) expiration at the UE of a READY timer for GPRS, wherein the READY timer was started by the UE following a PS handover of the communication session from an LTE access to a GSM-GPRS access, (iii) intersystem change by the UE from an LTE access to a GSM-GPRS access or a UMTS access, or (iv) intersystem change by the UE from a GSM access or a UMTS access to an LTE access, and performs an eCall inactivity procedure when the timer expires.

The invention discloses a car emergency call system and a method thereof providing real-time vital sign data. The system comprises a car eCall device, a wearable device and a PSAP network device, wherein the car eCall device is used for searching the wearable device in a car and establishing a wireless communication connection with the wearable device when the car starts, initiating an eCall connection to the PSAP network device when receiving a car collision signal, acquiring real-time vital sign data of a passenger wearing the wearable device from the wearable device, and forwarding the acquired real-time vital sign data to the PSAP network device; the wearable device is used for establishing a wireless communication connection with the car eCall device, and providing the real-time vitalsign data of the passenger wearing the wearable device for the car eCall device; and the PSAP network device is used for decoding the real-time vital sign data. A rescuer can determine the injury ofthe passenger generally before arriving at the site.

The invention relates to the technical field of wireless communication, and especially relates to a method, device and system for supporting an emergency call eCall. The method, the device and the system are used for solving the problem in the prior art that a network side device cannot successfully send out eCall callback when a terminal and the network side device support both an IMS domain and a CS domain; wherein the method comprises following steps of after the terminal releases the eCall initiated to the network side device, starting a target timer; registering by the self-supported IMS domain; sending a notification message to the network side device; and monitoring whether the network side device initiates the eCall callback for the eCall or not within the timed duration of the target timer. According to the technical scheme, after the terminal starts the target timer, registering is carried out by the self-supported IMS domain; therefore, the network side device cannot initiate the eCall callback through the IMS domain; and UE can timely receive the eCall callback.

The invention discloses an ECALL implementation method and device based on a vehicle-mounted T-BOX and a storage medium. The method is executed by a vehicle-mounted T-BOX module of a vehicle-mounted T-BOX system. The method comprises the following steps: receiving an ECALL trigger signal, wherein the ECALL trigger signal is correspondingly generated by a vehicle-mounted ECU or a first key module of the vehicle-mounted T-BOX system; switching a microphone of a vehicle-mounted machine system to the vehicle-mounted T-BOX system according to the ECALL trigger signal, and sending an audio signal to the vehicle-mounted machine system, so that the vehicle-mounted machine system drives a loudspeaker of the vehicle-mounted machine system to play corresponding audio; and sending the vehicle data to a service platform, so that the service platform performs corresponding processing according to the vehicle data, wherein the vehicle data at least comprises vehicle identification information and vehicle position information. According to the technical scheme, a special ECALL implementation circuit does not need to be arranged, the cost can be reduced, and the vehicle arrangement space is saved.

An eCall is an emergency call that may (i) be initiated automatically by a wireless terminal due to a trigger event (such as a vehicle involved in an accident) or manually by a user and (ii) include additional data sent automatically by the terminal to a recipient entity, such as a Public Safety Answering Point (PSAP). Depending on the implementation, Emergency setup signaling (such as an Emergency SETUP message) or a location updating message is used to give high priority to registering an eCall-only mode In-Vehicle System (IVS) on a mobile network. The IVS can get higher priority from the mobile network right after an eCall emergency is triggered at the IVS. When requesting a connection to the mobile network, the IVS can use one or more fields of the location updating message in order to register on the network with a higher priority.

The application concerns the eCall service for setting up emergency calls as defined by 3GPP (cf. 3GPP TS 24.008). A wireless eCall device (10) being in an eCall inactive service state, transmits a request message for receipt by a wireless network (4) to at least one of request attachment of the wireless eCall device (10) to the wireless network (4) and request location updating for the wireless eCall device (10) from the wireless network (4). The wireless eCall device (10) subsequently attempts an emergency call to the wireless network (4) regardless of whether or not the wireless eCall device (10) receives a response to the request. In this way, the wireless eCall device (10) can make the emergency call promptly and without significant delay. Moreover, PSAP call back is possible, in case the attachment or location update procedure completes successfully.

The invention relates to a V2X technology fused vehicle emergency call system, which is applied to a vehicle-mounted system provided with a V2X device and an eCall device. The method comprises the following steps that: when the eCall device of the vehicle-mounted system is activated, the vehicle-mounted system judging whether a public network is detected or not; when the public network is searched, the eCall device being connected with the public network, and the eCall device calling outwards through the public network; and when the public network cannot be searched, the current vehicle-mounted system broadcasting a fault data packet of the current vehicle through the V2X device, and forwarding the fault data packet outwards through a far vehicle. The beneficial effects of the method are that the method can achieve the supplement and improvement of the situation that the eCall cannot work because of the PLMN coverage problem, and enables an accident victim to be rescued as timely as possible.

The invention discloses an intelligent contract compression method for an Ethereum block chain, and belongs to the technical field of block chains. The method disclosed by the invention comprises thefollowing specific steps of according to the definition of an existing delta ecall pseudo-operation code, adding a new pseudo-operation code into an Ethereum virtual machine, wherein the pseudo-operation code is only used locally, the new pseudo-operation code can find whether the new smart contract is the same as certain operations of the previously executed smart contract; and if yes, using theoperation pointing to the executed smart contract for replacing the operation in the new smart contract, and reusing the intelligent contract. According to the invention, the space occupied by the contract is saved, and the compression time is also saved.

The invention relates to a vehicle-mounted ECALL device alarm method with vehicle and personnel information detection, comprising the following steps: after the ECALL device is triggered, an alarm call is made to obtain the vehicle data information and personnel data information in the current state at the same time, and the vehicle data information and the vehicle personnel data information are simultaneously obtained. Summarize the data information of internal personnel; check whether the external network can be connected, and when the external network can be connected, start the network transmission module to encrypt and send the summarized data information to the emergency data platform; when the external network cannot be connected, encrypt the summarized data information through SMS Send to the emergency data platform; the emergency data platform aggregates the network information and SMS information sent by the same ECALL device, and sends the aggregated information to the alarm command center in the corresponding jurisdiction pointed by the vehicle positioning information; while making an alarm call It can provide rich and complete first-hand on-site vehicle and personnel information, and has good reliability, which can greatly improve rescue efficiency.

The invention relates to a vehicle-mounted ECALL equipment alarm method and system with vehicle and personnel information detection. The method comprises the following steps: enabling ECALL equipment to call out an alarm call after the ECALL equipment is triggered, obtaining the vehicle data information and in-vehicle personnel data information of a current state at the same time, and collecting the vehicle data information and in-vehicle personnel data information; checking whether an external network can be connected, and when the external network can be connected, starting a network transmission module to encrypt and send the gathered data information to an emergency data platform; when the external network cannot be connected, encrypting and sending the summarized data information to the emergency data platform in a short message mode; and enabling the emergency data platform to perform aggregation processing on the network information and the short message information sent by the same ECALL equipment, and sending the information after aggregation processing to an alarm command center of a corresponding jurisdiction to which the vehicle positioning information points. According to the invention, rich and complete first-hand on-site vehicle and personnel information can be provided while alarm calling is performed, the reliability is good, and the rescue efficiency can be greatly improved.

A device for preventing an eCall system backup battery for a vehicle from discharging is provided. The device includes a GPS configured to provide current position information of the vehicle in which an eCall system is mounted. A sales area information storage is configured to form and store the GPS information on all sales areas as a sales area information database. A microcomputer is configured to determine whether the vehicle is located within a sales area which is a final destination by using the information acquired from the GPS module and the sales area information storage and to control whether the backup battery operates depending on the determination result. A power supply manager is configured to select and manage any one of a main battery and the backup battery as supply power of the eCall system by a control of the microcomputer.

The invention relates to an anti-lag alarm method for vehicle-mounted ECALL equipment, and the method comprises the following steps: enabling the ECALL equipment to call out an alarm call after the ECALL equipment is triggered, checking whether the ECALL equipment can be connected with an external network or not, and obtaining the data information of a current state at the same time according to aset data collection rule, wherein the data information at least comprises vehicle positioning information; when the external network is connectable, starting the network transmission module to encrypt and send the data information to the emergency data platform; when the external network cannot be connected, sending the data information to the emergency data platform in a short message mode; enabling the emergency data platform to perform aggregation processing on the network information and the short message information sent by the same ECALL device, and send the information subjected aggregation processing to an alarm command center of a corresponding jurisdiction to which the current vehicle positioning information points. The communication can be completed at the first time, and meanwhile, the timeliness of information acquisition and uploading actions is not influenced, so that the timeliness of alarming and rescue can be guaranteed, and the safety coefficient is higher.

The invention discloses a method for automatically recording and photographing after vehicle collision, relates to the technical field of new energy vehicle safety, and solves the problems that in the prior art, vehicle accidents cannot be handled in time, the severity degree of accident sites is caused, and the like. Vehicle collision signals are collected in real time through a hardware vehicle-mounted terminal TBOX, the position, the vehicle speed and gear information of a vehicle are uploaded in real time, when the vehicle collides, a vehicle-mounted module TBOX receives collision sign signals, the TBOX automatically sends a photographing instruction to a vehicle machine AVN, the AVN executes a camera to photograph a picture, the picture is photographed and recorded for 10S, and the vehicle-mounted terminal TBOX automatically sends the photographing instruction to the vehicle machine AVN. And the video and photo display can be automatically popped up when the video and photo are uploaded to the cloud. According to the method disclosed by the invention, a call judgment condition after collision is added, the safety of the vehicle is ensured, and automatic ECALL call can be realized after photographing if a traffic accident occurs.

The invention discloses an MSD data packet position collection method which comprises the following steps: initiating MSD data packet packing and requesting positioning when an eCall initiating condition is met; if the position cannot be obtained, requesting position calculation to obtain a position completion MSD data packet to send out eCall, otherwise, directly obtaining the position completion MSD data packet to send out eCall; wherein the position calculation comprises the steps of querying all received external V2X data, analyzing the V2X data to calculate to obtain a position or directly adopting the position in the V2X data of an external terminal, and completing the sending of the eCall by the MSD data packet. The invention also discloses an eCALL calling method, a computer storage medium for realizing the steps in the MSD packet position collection method, and an eCALL system. According to the invention, when the vehicle cannot execute positioning, the position information can be obtained from the external terminal to complete MSD data packet packing and send out eCall, safety holes can be simulated and remedied, the probability that injured people are treated in time is obviously improved, and thus the probability of death caused by traffic accidents is reduced.

The invention provides a wireless communication module and a data communication system and an enciphered data remote transmission method. The wireless communication module comprises a coding unit, a transmitting unit, a receiving unit and a decoding unit. The coding unit is used for coding a to-be-encrypted data and packing the to-be-encrypted data into a data package. The transmitting unit is used for transmitting the data package coded by the coding unit to the outside through an Ecall voice channel. The receiving unit is used for receiving the data package from the outside through the Ecall voice channel. The decoding unit is used for decoding the data package received by the receiving unit. According to the data communication system and the enciphered data remote transmission method, an Ecall function of the wireless communication module is utilized, and therefore data in a certain amount can be transmitted in the voice channel, crack is difficult, besides, data are transmitted through the voice channel, eavesdrop is difficult, and therefore safety of the enciphered data remote transmission is improved.

An eCall is an emergency call in which: (i) the emergency call may be initiated automatically by the wireless terminal or manually by the user due to a triggering event (e.g., the vehicle being involved in an accident); and (ii ) said emergency call includes additional data automatically sent by the terminal to a receiving entity (eg, a Public Safety Answering Point PSAP). Depending on the implementation, high priority is given to registering the in-vehicle system IVS in eCall-only mode with the mobile network using emergency setup signaling (eg emergency setup message) or location update messages. Immediately after an eCall emergency is triggered at the IVS, the IVS can get a higher priority from the mobile network. When requesting connection to a mobile network, the IVS can use one or more fields of the location update message to register with the network with higher priority.

The invention relates to an ECALL system terminal combined with a video system and a rescue method. The ECALL system terminal comprises a network connection module, an on-chip system and the video system, wherein the network connection module is respectively connected with the on-chip system and the video system, and the on-chip system is connected with the video system; the network connection module is used for sending a shooting instruction to the video system, the video system executes image or video shooting according to the shooting instruction, converts the shot image or video into a specified format and then sends the image or video to the system on chip, and the on-chip system carries out data format conversion on the received image or video and then sends the image or video to the network connection module; and the network connection module uploads the received image or video to the PSAP. According to the invention, the video system is added on the basis of the original ECALL function module so as to realize image or video shooting and uploading functions, so that PSAP wiring personnel and rescue organizations can obtain on-site actual conditions which are richer and more accurate than data and voice, and the ECALL system terminal is very beneficial to rescue preparation and rapid rescue.

The invention discloses a vehicle information transmission method and system based on a voice channel. The vehicle information transmission method based on the voice channel comprises the following steps: firstly, sending an eCall request, receiving the eCall request, transmitting MSD data, judging whether the MSD data is successfully transmitted or not, if the MSD data is successfully transmitted, transmitting a voice signal, and establishing voice connection between a vehicle terminal and a PSAP terminal. According to the invention, voice connection can be established between the vehicle-mounted terminal personnel and the PSAP terminal; according to the invention, the communication between the personnel at the vehicle terminal and the background personnel at the PSAP terminal is ensured,the vehicle information is transmitted by using the voice channel after the eCall is triggered by the accident vehicle, and the instability problem of time delay of data transmission is avoided whenthe vehicle data transmission is carried out. The vehicle information transmission system based on the voice channel comprises the terminal module, the eCall server module and the PSAP module, is simple in structure, avoids the instability problem of time delay of data transmission during vehicle data transmission, and can be widely applied to vehicle machines.

The invention provides a method for a vehicle-mounted ECALL device to obtain information of persons in a vehicle, and the method comprises the steps that the ECALL device judges the driving state of the vehicle according to the driving operation data of the vehicle, and tries to communicate with a mobile terminal device in the vehicle after the vehicle enters a forward state; after successful connection, data information of people in the vehicle is obtained from the mobile terminal equipment; wherein after the personnel data information is successfully obtained from one mobile terminal device, the ECALL device continues to attempt to obtain the personnel data information from the other mobile terminal device, and then all the personnel data information is integrated; after the ECALL device is triggered, data information of people in the vehicle is encrypted and sent to the emergency data platform through an external network or a short message. According to the invention, the data information of the personnel in the vehicle can be effectively acquired and reported.

The invention relates to the technical field of wireless communication, and especially relates to a method, device and system for supporting an emergency call eCall. The method, the device and the system are used for solving the problem in the prior art that a network side device cannot successfully send out eCall callback when a terminal and the network side device support both an IMS domain and a CS domain; wherein the method comprises following steps of after the terminal releases the eCall initiated to the network side device, starting a target timer; registering by the self-supported IMS domain; sending a notification message to the network side device; and monitoring whether the network side device initiates the eCall callback for the eCall or not within the timed duration of the target timer. According to the technical scheme, after the terminal starts the target timer, registering is carried out by the self-supported IMS domain; therefore, the network side device cannot initiate the eCall callback through the IMS domain; and UE can timely receive the eCall callback.

An eCall is an emergency call that may (i) be initiated automatically by a wireless terminal due to a trigger event (e.g., a vehicle involved in an accident) or manually by a user and (ii) include additional data sent automatically by the terminal to a recipient entity, e.g., a Public Safety Answering Point (PSAP). Emergency setup signaling (e.g., an Emergency SETUP message) is used to give high priority to registering an eCall-only mode In-Vehicle System (IVS) on a mobile network. The IVS can get higher priority from the mobile network right after an eCall emergency is triggered at the IVS. When requesting a connection to the mobile network, the IVS can use an "emergency setup" message instead of a conventional "registration" message in order to register on the network.