172results about How to "Guaranteed data transfer" patented technology

A control channel transmission method, transmission processing method, communication node and terminal communication node, said control channel transmission method comprising: determining, in accordance with predefined information, control channel transmission resources; repeatedly transmitting, multiple times, the control channel on the determined control channel transmission resources; said predefined information includes at least one of the following types of information: control channel repetition number, control channel type, service channel type and service channel start position. The present invention solves a technical problem existing in LTE systems, whereby a down-link control channel is not able to engage in repeated sending, and thus allows a network side, when coverage enhancement is needed, to engage in control channel repeated sending, in order to ensure that a terminal requiring enhanced coverage can correctly receive control information issued by a base station, thus ensuring the corresponding data transmission.

The invention provides a control channel transmitting method and device, a transmitting processing method and device, a network side device and a terminal, wherein the transmitting method is applied to the network side device. The method comprises the steps that indicating information for indicating the type of a terminal is obtained; when the terminal type indicated by the indicating information is a first terminal type, the control channel is sent to the terminal of the first terminal type on multiple subframes. By the adoption of the technical scheme, the technical problems that in the relevant technologies, a downlink control channel cannot be sent repeatedly and the like are solved, so that the network side can distinguish the terminal to conduct control channel sending under a low-covering environment so as to guarantee that the terminal which has the demand of covering improvement can receive correctly the control information sent by the base station, and data transmitting of the terminal can be guaranteed.

The invention provides a multi-node synchronous sampling control and data transmission method, the steps are as follows:(1) an overall synchronizer that matches with the upper layer data processing equipment and the process variable acquisition control equipment (DAE) is constructed, the equipment produces an overall synchronous signal S1 by utilizing an outer sync source or a local timer; (2) the overall synchronous signal is accessed to one or more data communication equipment (DCE), which produce a synchronous signal S2 for each accessed process variable acquisition control equipment; (3) the absolute time scale in the signal S1 and the overall sampling counter are utilized to realize the secondary synchronous sampling on the process variable among the data communication equipment; (4) the acquisition control equipment (DAE) for acquiring and outputting the process variable detects the synchronous signal and order data after receiving the signal S2; (5) the acquisition control equipment dynamically adjusts the start time of the S2 signal according to Delta ti and realizes the long-distance multinode synchronous sampling.

The invention relates to a system for collection, transmission, monitoring and publishment of a mobile video. With utilization of a 3G network, a computer network, and a cable TV network, collection, transmission, monitoring and publishment on videos are carried out. Besides, the system is composed of a front end acquisition module, a center server module, and a retrieving terminal module. According to the invention, a 3G network, a computer network, and a cable TV network are spanned, so that resource sharing and data intercommunication between the three kinds of networks especially interconnection and intercommunication between program information in the cable TV network and a telecommunication network and the computer network are carried out; and meanwhile, stability, smoothness, and real-time performance during a real-time transmission retrieving process of data especially video-audio real-time information are ensured.

The invention discloses an aviation full-duplex exchange Ethernet monitoring processing system which comprises an AFDX exchange device, a terminal and a monitoring device, wherein the monitoring device is connected with a data link node between the AFDX exchange device and the terminal by a monitoring link, and is used for acquiring and processing the data link information of AFDX network transmission. The invention can guarantee the integrity of AFDX network data transmission, saves the memory space of the exchange device, and ensures the stability of the exchange device.

The invention provides a method and a device for transmitting data in an inactive state and user equipment. The method comprises the following steps: after a random access preamble is sent to a base station and a random access response returned by the base station is received, sending MSG3 to the base station; receiving an MSG4 sent by the base station after the base station judges that the UE cansend data in an INACTIVE state, the MSG4 carrying resource allocation information, and the resource corresponding to the resource allocation information being a Grant Free resource or a UL Grant resource; and sending data to the base station by using the Grant Free resource or the UL Grant resource. According to the invention, data transmission in a non-activated state can be ensured under the condition that resources are reasonably utilized.

The invention discloses a processing method of carrier wave deactivation and user equipment (UE). The method comprises the following steps: UE determines that a DRX (discontinuous reception) function runs on the carrier wave; when the running of the DRX function is finished, the carrier is conducted in a process of deactivation. The invention ensures the data transmission of the UE on the deactivated carrier.

A method of numbering data packets in a packet-switched telecommunications system which utilizes acknowledged transmission and the telecommunications protocol of which comprises a convergence protocol layer for converting user data packets into convergence protocol packets, and a link layer for transmitting convergence protocol packets as data units and for acknowledging the transmission. A data packet number is defined for the convergence protocol packets to be sent by a counter and the convergence protocol packets to be sent are transmitted to the link layer for transmission without the data packet number. A data packet number is also defined for received convergence protocol packets by means of the counter and an acknowledgement of received convergence protocol packets is transmitted to the transmitter.

The invention discloses a method for controlling the parallel redundancy of an MVB master. According to the method, two identical VCM modules are used as bus master modules, and the two VCM modules are connected into a network system simultaneously and monitor the state of an MVB simultaneously; under the condition that a master module on the MVB has a failure or is lost, a standby main module conducts redundancy switch, becomes a bus master and takes over the MVB. The method for controlling the parallel redundancy of the MVB master has the advantages that the principle is simple, and the reliability and the usability of the whole network system can be improved.

The embodiment of the invention discloses an information processing method, a communication device and a memory medium. The information processing method applied to a first communication device comprises the steps of sending X sets of joint parameter value sets of M classes of transmission parameters to a second communication device, wherein beam indicators are used for indicating beams, QCL (Quasi-co-location) indicator parameters are used for indicating parameters of the beams and the M is greater than 1; selecting Y sets of joint parameter values from the X sets of joint parameter value sets, wherein the X is greater than or equal to 1 and the Y is greater than or equal to 1; and sending a selection indicator to the second communication device based on the Y sets of joint parameter values, wherein the selection indicator is used for the second communication device to select the Y sets of joint parameter values from the X sets of joint parameter value sets for data transmission.

The invention relates to a UAV communication TDMA networking method, system, device and storage medium. The UAV communication TDMA networking method includes that a base station sends broadcast signals to a UAV so as to enable TDMA time slot synchronization of a UAV and the base station; the base station receives UAV time slot distribution requests; the base station generates TDMA time slots according to the quantity of the received UAV time slot distribution requests so as to enable the UAV to perform data transmission on the corresponding TDMA time slots. Dynamic generation and distributionof the quantity of the TDMA time slots of the base station are realized and the quantity of the TDMA time slots is decided according to the number of UAVs. Therefore, defects of channel waste when thequantity of UAVs is small and time slot distribution incapability when UAV data is excessive due to fixed time slot quantity in a prior TDMA communication method are made up. According to the invention, the UAV performs data transmission on the TDMA time slots, so that transmission efficiency and reliability are improved effectively, interaction time requesting is not required and transmission time delay is reduced.

The invention relates to a DSL bond method of multi users, wherein the twisted-pair line of nearby users is bonded into one multi-input multi-output (MIMO) logic channel; the digit user line bonded at the client terminal device (GPE) and the local terminal is accessed into the physical layer and data chain layer of multiplex device (DSLAM); the invention uses one spatial code method to integrate multi user data flows into one code bit flow to be distributed into several independent physical channels to be sent; at the same time, for reducing the interference on the same-cable line, based on multi-channel test and the estimate result of sending data flow, processing the data flow smooth access with dynamic sub carrier wave restrain, bit load adjustment and code increment control.

The present invention discloses a reliability power outage event collection integrity analysis and automatic completion method, and belongs to the technical field of power reliability management. Themethod comprises: constructing a unified analysis model for power outage events of distribution networks; collecting the automatically collected discrete user power outage information to generate original power outage events; performing collection integrity analysis on the original power outage events, and searching and positioning incompletely collected power outage line segments and omissively collected users; determining and identifying whether the omissively collected users belongs to the users in real power outage; and automatically completing power outage information for the omissive users in real power outage, and uploading a final power outage event to a reliability service system. The method disclosed by the present invention has strong real-time performance, high accuracy, and asmall amount in calculating and processing data, can improve the integrity and accuracy of automatic integration of power outage data, and can provide strong support for reliability index analysis application and daily service management.

The embodiment of the invention provides a heterogeneous network system, control equipment in a meter reading system and a method for realizing coexistence of various networks. The network system comprises a meter reading network, and an electric wire communication PLC (programmable logic controller) network which is coupled with the meter reading network through a high-frequency signal channel, wherein the meter reading network comprises a control module and a controllable on-off high-frequency path module, which are mutually coupled; the controllable on-off high-frequency path module is coupled with the PLC network through the high-frequency signal channel; the controllable on-off high-frequency path module comprises attenuation high-frequency signal equipment and a controllable switch,which are connected in parallel; the control module is used for controlling an access state of the attenuation high-frequency signal equipment by controlling on and off states of the controllable switch; and the attenuation high-frequency signal equipment is used for carrying out attenuation or isolation on high-frequency signals transmitted to the meter reading network from the PLC network through the high-frequency signal channel when accessing into the meter reading network. In the scheme of the embodiment of the invention, the coexistence of the household PLC network and the meter readingnetwork are realized.

The invention discloses a voice channel for a vehicle-mounted communication control unit and a voice communication method. The voice channel comprises a microcontroller, a global system for mobile communications (GSM)/general packet radio service (GPRS) module, a frequency modulation (FM) transmitting chip integrated on a vehicle-mounted communication control unit, and the data transmission and voice communication between a vehicle-mounted terminal and a service station are realized. By processing the voice from a microphone or the service station through the microcontroller, the echo and background noise are effectively suppressed, and the communication quality is improved. The voice from the microphone is processed by the microcontroller and is transmitted to the service station through the GSM/GPRS module; an audio signal transmitted from the service station is transmitted to the microcontroller for processing through the GSM/GPRS module and is transmitted to the FM chip to be transmitted to a vehicle-mounted radio for playing; therefore, the communication between personnel in the vehicle and workers at the service station is realized. The invention can realize data transmission between vehicle-mounted equipment and the vehicle-mounted communication control unit, guarantees the communication quality of the voice channel, has high voice quality and low power consumption, and is convenient to mount and low in cost.

The invention proposes a multichannel connection communication method for a highway tolling system, and the method comprises the steps: setting a central intelligent router at a highway management center, and respectively setting station intelligent routers at all toll stations under the administration of the highway management center; building three data transmission channels between the central intelligent router and each station intelligent router: a private network wired channel, a public network wired VPN channel and a public wireless VPN channel; setting different priorities for all data transmission channels, and achieving nearly uninterrupted data transmission between a front end toll station and a rear end highway management center for the highway tolling system according to a priority gating data transmission channel through intelligent router management.

The invention provides an optical label shooting and optical label decoding relay work method. An optical label comprises two parts, i.e., a signal unit group or a "data bit" for short and a positioning identification or a "flag bit" for short. Through converting the shooting frequency of shooting equipment and eliminating a motion displacement image of the equipment, an optical label and a background image are simultaneously acquired, and alignment and superposing synthesis of two kinds of shooting image content are realized. Data transmission of the optical label is guaranteed, the background image where the optical label is disposed is also reserved, onsite experience of a user in using the optical label is improved, and the method solves the problems which cannot be solved by other label ( such as two-dimensional codes and bar-codes) methods.

The invention provides a cell selection method and device. For the condition that the strength of a wireless network signal is weak, that is to say, the receiving power of a reference signal of a resident cell does not meet a first judgment threshold, the interference size of the resident cell is determined by judging whether or not the signal to noise ratio of the resident cell reaches a preset triggering judgment threshold, and if the interference size meets the condition, it is regarded that user equipment still can achieve a high transmission speed in the resident cell and can ensure conventional data transmission. The method and device are used for prolonging the time when the user equipment is located in the current resident cell and increasing the utilization rate of the resident cell. The method comprises the steps that when the receiving power of the reference signal does not reach the preset first judgment threshold, whether or not the signal to noise ratio of the resident cell reaches the preset triggering judgment threshold is determined; if yes, the user equipment continues to be resident in the resident cell; and otherwise, the user equipment is switched to other cells.