38results about How to "Transport support" patented technology

A method for receiving -transmitting ground mobile multimedia broadcast of compatible DAB includes receiving service data of multimedia broadcast, carrying out source and channel coding on service data, embedding coded data in main service channel MSC, identifying sub-channel information and carrying out channel coding on data in FIC channel, carrying out channel modulation and OFDM modulation as well as radio frequency modulation on data in FIC and MSC channels then sending modulated data out.

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 resource configuration method and a resource configuration device. The method comprises the step of configuring one or more sets of resources via a first type of configuration method and / or a second type of configuration method, wherein the first type of configuration method comprises the steps of configuring one or more ID for user equipment (UE), and configuring a set of resources for each ID of the UE, and the second type of configuration method comprises the steps of configuring one or more resource configuration index numbers for the UE, and each resource configuration index number is corresponding to one set of resources.

The invention discloses a signaling resource allocation method for an uplink reference signal, which comprises the following steps that: when a single user transmits a user rank (Rank is equal to 1 or 2), or a plurality of users transmit the user rank (Rank is equal to 1 or 2) with uniform bandwidth allocation, signaling only uses a cyclic shift CS, but not an orthogonal mask code OCC; and when the plurality of users transmit the user rank (Rank is equal to 1 or 2) with nonunifrom bandwidth allocation or transmit the user rank (Rank is equal to 3 or 4) with uniform bandwidth allocation, or the single user transmits the user rank (Rank is equal to 3 or 4), the signaling uses the cyclic shift CS and the orthogonal mask code OCC. The signaling resource allocation method for the uplink reference signal provides an implicit signaling distribution way aiming at introducing the OCC into an LTE-A system reference signal sequence in an uplink situation. By using the technical scheme of the invention, on the premise of ensuring that extra signaling bits are not added, the signaling resource of the uplink reference signal of the user is allocated fully and flexibly, and the system performance is improved.

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 embodiments of the invention relate to the technical field of wireless communications, and especially relate to a MIMO scheduling method, system and device, for solving the problem of not high accuracy of low-Rank CSI obtained after a base station is corrected according to high-Rank CSI in the prior art. In the method provided by the embodiments of the invention, a network side device sends configuration information of N processes to user equipment, N is an integer nor smaller than 2, the configuration information of the N processes is corresponding to the same transmission point, the configuration information of one process from the configuration information of the N processes is correspondingly transmitted in an SU-MIMO mode, and the configuration information of the other processes is correspondingly transmitted in an MU-MIMO mode. The method, system and device provided by the embodiments of the invention can prevent the influence on MU-MIMO due to the not high accuracy of the low-Rank CSI obtained after the base station is corrected according to the high-Rank CSI, thus the transmission of the MU-MIMO can be better supported.

The invention discloses an industrial time sequence data compression method and system. The method comprises the following steps: acquiring time sequence data of m acquisition points at n acquisition time points; forming an m * n sparse matrix delta(m * n) according to the collected industrial time series data; compressing the sparse matrix delta(m * n) by using a compression algorithm to obtain a data frame, wherein the data frame comprises a matrix head, content information of a matrix and a check value, and the matrix head comprises a matrix identifier with length and width, Huffman coding information, a reference timestamp and an acquisition time point difference value; sending the data frame and the Huffman coding information to a server; controlling the server to decompress the data frame according to the Huffman coding information to obtain decompressed data and timestamps of the data at different moments; and storing the timestamps and the corresponding decompressed data together according to the timestamps of the data at different moments. The method has the advantages that the purpose of efficiently and losslessly collecting and storing time sequence data can be achieved.

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.

This invention discloses one integral process system and method for data exchange between different application systems in data process and exchange field, wherein, the system comprises the following parts: database to store each match information; public codes conversion device, data testing device, data process device for task transfer integral distribution to fulfill codes conversion, testing and processing operations; file transmission device to fulfill integral process system and each application system files transmission.

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 discloses a client, a server, an interactive communication system and communication ways. The communication way of the client is as follows: a server data packet of is received, wherein the server data packet includes a display image and display time; the display image transmitted by the server is displayed during the display time and clicking on the display image by the user is received; when display screen clicking by the user is recorded, a first display image displayed by a screen, clicking time, and a relative coordinate of a clicked point in the first display image are displayed; the clicking time and the relative coordinate of the clicked point in the first display image are packaged into a client data packet; and the client data packet is transmitted to the server. According to the invention, lots of calculation carried out by the client originally is completed by the server and the server transmits the image generated by calculation to the client in real time, so that the operation load of the client is reduced and phenomena like shutdown of the system can be avoided.

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.

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.

Embodiments of the present invention relate to the field of wireless communication technology, and in particular to a method, system and device for MIMO scheduling, which are used to solve the problem in the prior art that the accuracy of low-rank CSI obtained by base station correction based on high-rank CSI is not high The problem. In the embodiment of the present invention, the network side device sends the configuration information of N processes to the user equipment, where N is an integer not less than 2, the configuration information of the N processes corresponds to the same transmission point, and the configuration information of one process in the configuration information of the N processes The information corresponds to SU‑MIMO transmission, and the configuration information of other processes corresponds to MU‑MIMO transmission. Adopting the embodiment of the present invention can avoid the impact on MU-MIMO due to the low accuracy of the low Rank obtained by the base station after correction according to the high-Rank CSI, so as to better support MU-MIMO transmission.

The invention discloses a transmission preprocessing method and a data demodulation method of transmission preprocessing signals, wherein the transmission preprocessing method comprises the following steps of: determining a precoding matrix maximizing the signal to noise ratio in the application environment of single-user and multi-data-stream transmission; based on the precoding matrix, determining effective channels between each UE (User Equipment) and a base station; decomposing the effective channels of the UE by utilizing the traditional GMD (General Mean Decomposition) or an SVD (Singular Value Decomposition) decomposition method; and finally, precoding data vectors sent to each UE by utilizing a decomposing result and the precoding matrix so as to realize the transmission preprocessing to downstream signals of the base station. The invention not only can balance the influences of co-channel interference and noise interference on system performance, but also can support both the single-user multi-data-stream transmission and single-user and single-data-stream transmission.

The present invention discloses a PMCH transmission method and equipment. The method includes: a network device sends a PMCH subframe configuration signaling to a terminal, and the configuration signaling indicates a PMCH transmission subframe; wherein, the PMCH transmission subframe includes the first A time slot and a second time slot, the first time slot is used to transmit the PMCH, and the second time slot is used to transmit the unicast channel or / and signal; the network device transmits the PMCH in the PMCH transmission subframe Maps are transmitted on the first slot. After receiving the PMCH subframe configuration signaling sent by the network device, the terminal device receives the PMCH mapped on the first time slot in the PMCH transmission subframe. The present invention can support the transmission of PMCH on the NCT carrier.

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.

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 a signaling resource allocation method for an uplink reference signal, which comprises the following steps that: when a single user transmits a user rank (Rank is equal to 1 or 2), or a plurality of users transmit the user rank (Rank is equal to 1 or 2) with uniform bandwidth allocation, signaling only uses a cyclic shift CS, but not an orthogonal mask code OCC; and when the plurality of users transmit the user rank (Rank is equal to 1 or 2) with nonunifrom bandwidth allocation or transmit the user rank (Rank is equal to 3 or 4) with uniform bandwidth allocation, or the single user transmits the user rank (Rank is equal to 3 or 4), the signaling uses the cyclic shift CS and the orthogonal mask code OCC. The signaling resource allocation method for the uplink reference signal provides an implicit signaling distribution way aiming at introducing the OCC into an LTE-A system reference signal sequence in an uplink situation. By using the technical scheme of the invention, on the premise of ensuring that extra signaling bits are not added, the signaling resource of the uplink reference signal of the user is allocated fully and flexibly, and the system performance is improved.

The present invention provides a method for supporting IPv4 message transmission. The method includes receiving the IPv4 message by a sending device; carry to the front end of the received IPv4 message, and set the conversion identification ID on the preset position of the identification information, so that the received IPv4 message is converted into an IPv6 message; The IPv6 packet is sent to the receiving device. Implementing the embodiment of the present invention can solve the problem of IPv4 message transmission on IPv6 network device communication in the G3-PLC communication unit.

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.