38results about How to "Transport support" patented technology

Disclosed is a PMCH transmission method and a device. The method comprises: a network device sending a PMCH subframe configuration signalling to a terminal with the configuration signalling indicating a PMCH transmission subframe, wherein the PMCH transmission subframe comprises a first time slot and a second time slot, with the first time slot being used for transmitting a PMCH and the second time slot being used for transmitting a unicast channel and/or a signal; the network device mapping the PMCH onto the first time slot for transmission in the PMCH transmission subframe; and after receiving the PMCH subframe configuration signalling sent by the network device, a terminal device receiving the PMCH mapped onto the first time slot in the PMCH transmission subframe.

The invention discloses indication method and device of a transmission mode. The method comprises the following step of adding indication information in a downlink control information format, wherein the indication information is used for indicating the transmission mode of user equipment and information corresponding to the transmission mode. The invention solves the problem of nonsupport of MIMO multi-user transmission based on demodulation pilot frequency in LTE of version 10 and realizes support of MIMO multi-user transmission based on the demodulation pilot frequency.

The invention discloses a service quality control method and device and a computer storage medium, so that an AN (Access Network) can perform wireless resource scheduling for ensuring the service quality of data stream transmission, and the time delay requirement of URLLC (Uniform Resource Location Link Control) service data transmission is met. The method comprises the steps that an SMF receivespolicy control and charging PCC rules sent by a PCF, the PCC rules comprise QoS requirements and GBR requirements for service data flows, and the PCC rules further indicate the air interface transmission capacity; the SMF binds the service data flow corresponding to the PCC rule with the same QoS requirement to at least one QoS flow according to the QoS requirement, the GBR requirement and the airinterface transmission capability, wherein the sum of GBRs of the PCC rules bound to the same QoS flow does not exceed the air interface transmission capability; and the SMF sends the control information of the at least one QoS flow to an access network AN, wherein the control information is used for performing wireless resource scheduling for ensuring the transmission service quality of the dataflow for the at least one QoS flow.

The invention relates to an adaptation method for Ethernet signal transmission. The method comprises a signal amplitude amplifying step when the signal is transmitted between a coaxial-cable network and a twisted-pair Ethernet physical layer chip. The invention has the advantages that the adaptation method can farthest utilize the twisted-pair Ethernet physical layer chip to realize the transmission in the existing CATV coaxial network and realize the transmission suitable for the coaxial network fading characteristic in the existing CATV coaxial network.

The invention discloses an information transmission method of a high-speed shared control channel (HS-SCCH), which comprises the following steps of: determining the transmission mode of a current scheduling user on a high-speed physical downlink shared channel (HS-PDSCH) by a base station according to a scheduling algorithm and determination rules; searching an HS-SCCH frame structure corresponding to the determined transmission mode in preset HS-SCCH frame structures corresponding to various transmission modes; and sending the information of HS-SCCH to the scheduling user according to the searched HS-SCCH frame structure. The invention also discloses an information transmission system which can realize single-current and double-current transmission based on an extended HS-SCCH frame structure in a multi-input multi-output (MIMO) mode.

The invention relates to a message transmission method and device based on network isolation, a storage medium and a message transmission system based on network isolation, and belongs to the technical field of communication, and the method comprises the steps: receiving a cross-network transmission message of a user side accessing a first network to a second network, the cross-network transmission message carrying destination-side information and message contents; when a first communication connection between a first device and a preset storage component exists, sending the cross-network transmission message to the storage component for storage based on the first communication connection; disconnecting, by the storage component, the first communication connection and establishing a secondcommunication connection with a second device; reading, by the second device, the cross-network transmission message stored in the storage component based on the second communication connection, andsending the message content to a destination side indicated by the destination information through the second network. The problem of network intrusion or information leakage can be solved. Physical isolation of the first network and the second network is realized. Service processing can be realized. A message transmission process can be traced.

The invention provides a system for collecting and playing multi-channel audio based on an I2S bus. The system comprises an audio interface chip; a CPU which is connected with the audio interface chipthrough an I2S (Inter-Integrated Circuit) bus; and a plurality of audio encoding and decoding chips, wherein each audio encoding and decoding chip is connected with the audio interface chip. The invention further provides a method for collecting and playing the multichannel audio based on the I2S bus, synthesis and decomposition of the multichannel audio data are achieved, the transmitted audio data are packaged again, and a chip only provided with the I2S bus supports transmission of the multichannel audio data.

The invention provides a data card and a transmission method based on the data card, and solves the problems in the prior art that the data card of an universal serial bus (USB) interface can not support network data transmission in long distance. The data card comprises an Ethernet port used for being connected with external equipment, an internet port controller and a processor. The internet port controller is connected with the Ethernet port and used for controlling communication between the Ethernet port and the external equipment. The internet port controller is further connected with the processor in a communication mode. Through adoption of the Ethernet port, the data card can support network data transmission in long distance.

Provided are a resource allocation method and a related equipment. The resource allocation method comprises: upon creation of a first CAM data packet by a vehicle user terminal equipment (V-UE), if a target resource capable of transmitting the first CAM data packet has been allocated by a base station, transmitting, by the V-UE, the first CAM data packet directly on the target resource so as to effectively guarantee a data volume for communication between the base station and the V-UE; and if the target resource is not allocated by the base station, creating, by the V-UE, a BSR-V to enable the base station to allocate the target resource according to a creation interval of the first CAM data packet, thereby allowing the base station to allocate the target resource according to the creation interval of the first CAM data packet even when a resource previously allocated by the base station is not applicable due to changes in a driving state of a vehicle and a size of the CAM data packet.

A data structure for storing a data source for a streaming system, the data source including a plurality of encoded data streams, each of the plurality of data streams being an independent representation of data from the data source encoded at a different resolution to the other of the plurality of data streams, the data structure comprising a header ( 600 - 680 ), a stream data structure ( 700 ) for each of the encoded data streams and one or more packets ( 800 ) of the encoded data streams, the header ( 600 - 680 ) being linked to one of the stream data structures ( 700 ), wherein each stream data structure ( 700 ) includes a header ( 705, 740, 750 ), a link ( 710 ) to a next stream data structure and a link ( 720 ) to a first packet of the encoded data stream.

The invention provides a cross-board daisy chain transmission structure, a master board, slave boards and a system. The cross-board daisy chain transmission structure comprises a master board and N slave boards which are connected in series in a daisy chain mode, N is larger than or equal to 1, and N is an integer; the master board is directly connected with the slave boards, and a clock line and a data line between the slave boards are directly connected; and the master board and the slave boards as well as address lines between the slave boards are connected in a preset staggered manner. Compared with the prior art, the cross-board daisy chain transmission structure, the master board, the slave boards and the system have the advantages that the number of connectors and drivers of the master board is reduced, the number of materials for connecting the master board and signal lines of the slave boards can be remarkably reduced, and the cross-board daisy chain transmission structure has good expandability.

The invention provides a cross-network-environment remote deployment distributed data collecting node method. The method is used for preposing collecting nodes to conduct data collecting based on the file transmission mode of the SFTP under the conditions that a data collecting system is far away from a data source, a network environment for connecting the data collecting system with the data source is complex, and the network speed is unstable, and providing a cross-network-environment remote deployment distributed data collecting node mechanism according to the characteristic that the requirements for data collecting remote cross-network collecting, mass data transmission and data collecting timeliness and integrity are high, the data collecting nodes are remotely deployed, the distance between the collecting nodes and the data source is shortened, influences of network environment factors are avoided, and the collecting efficiency of original data is improved. Meanwhile, after the collected original data of the collecting nodes are packaged and compressed, files are transmitted to the data collecting system based on the SFTP, the data safety is guaranteed, and meanwhile transmission and collecting can be conducted simultaneously.

The present invention relates to the technical field of ultrasonic data transmission, and specifically discloses an ultrasonic image data transmission method. The method comprises the steps: broadcasting a communication request to a target device, wherein the communication request comprises an identifier of the target device and an identifier of a terminal ultrasonic device, and the identifier of the terminal ultrasonic device comprises a LiFi identifier code and a WiFi identifier code; after verification of any one of the LiFi identification code and the WiFi identification code is passed, skipping the verification of the other identification code, and establishing the dual-channel communication connection with the target equipment, wherein the dual-channel communication connection comprises a LiFi channel and a WiFi channel; acquiring a transmission rate required for transmitting the ultrasonic image data, and transmitting the ultrasonic image data to the target equipment through the LiFi channel when the transmission rate is greater than a threshold transmission rate. The invention further discloses terminal ultrasonic equipment. According to the ultrasonic image data transmission method provided by the invention, the problems of lagging, delay and the like during ultrasonic image data transmission are solved.