35results about How to "Guaranteed data transmission performance" patented technology

The invention relates to the field of communication, in particular to a resource selection method and device for auxiliary link communication and a storage medium. The method comprises the following steps: enabling a first terminal to acquire auxiliary link data arriving at a target moment; determining the number of available auxiliary link feedback channel (PSFCH) resources in a total resource selection window of the auxiliary link data according to the target moment and the specified transmission delay of the auxiliary link data; and determining a sub-resource selection window for the transmission in a total resource selection window of the auxiliary link data according to the number of the available PSFCH resources. According to the embodiment of the invention, the sub-resource selection window of the current transmission (including initial transmission or HARQ retransmission) in the auxiliary link is designed, so that the first terminal can complete the maximum retransmission timeswithin the time delay requirement range of the data, and the data transmission effect of the auxiliary link data is ensured.

The invention discloses a power distribution method, a power adjustment method, a terminal and an access network device, and belongs to the technical field of communication. The method comprises the following steps: determining, by the terminal, a first initial transmitting power and second initial transmitting power; receiving minimum guaranteed power information of a channel carried by a first carrier and sent by an access network device; and when the sum of any initial transmitting power in the first initial transmitting power and the second initial transmitting power is greater than the maximum transmitting power, obtaining available transmitting power of the channel carried by the first carrier in N first sub-frames and the available transmitting power of the channel carried by a second carrier in a second sub-frame according to the priority sequence of the channel carried by the first carrier in N first sub-frames and the channel carried by the second carrier in the second sub-frame, wherein the second carrier is overlapped with the N first sub-frames, and M first sub-frames are previous M first sub-frames in the N first sub-frames.

Provided in embodiments of the present invention are a transmission mode determination method and device, the method comprising: sending change information to a network side device, the change information being used for indicating an expected transmission mode of a user equipment. According to the embodiment of the invention, , user equipment sends change information for requesting to change a transmission mode to network side equipment; therefore, the network side equipment determines the transmission mode which can be executed by the user equipment at present based on the change information,so that the transmission mode of the user equipment can be accurately changed, the unnecessary power consumption of the user equipment is reduced, the energy-saving and power-saving effects are achieved, and the data transmission performance of the system is ensured.

The embodiment of the invention discloses a narrowband Internet-of-Things data transmission method and device, equipment and a storage medium. According to the technical scheme provided by the embodiment of the invention, path division is carried out according to the path planning of the vehicle to obtain a plurality of path segments, the predicted transmission quantity of each path segment underthe corresponding average signal intensity information and the predicted driving time is determined, and the to-be-sent data is split into a plurality of data units and stored in a unit chain table, data units are extracted from the unit linked list according to the current path segment of the vehicle and the corresponding predicted transmission quantity, the data units are combined into a plurality of data blocks according to the corresponding average signal intensity information, and the data blocks are updated to the base station in sequence, according to the embodiment of the invention, the data blocks with suitable sizes are uploaded to the base station according to the network conditions of the narrow-band Internet-of-Things of different path segments, the data volume transmitted each time is reduced, the data volume of data retransmission when data transmission fails is reduced, the data transmission efficiency is improved, and the data transmission effect is ensured.

The embodiment of the invention discloses a vehicle monitoring method, device and equipment based on the narrow-band Internet of Things, and a storage medium. According to the technical scheme provided by the embodiment of the invention, path division is performed according to the path planning information of the vehicle and the signal coverage information of different base stations on the corresponding driving path to obtain a plurality of path segments, the to-be-sent data is split into a plurality of data units, and the data units are stored in the unit chain table; the estimated transmission quantity of each path segment under the corresponding average signal intensity information and the estimated driving time is determined, data units are extracted from the unit linked list accordingto the current path segment of the vehicle and the corresponding estimated transmission quantity, and the data units are combined into a plurality of data blocks according to the corresponding average signal intensity information; the data blocks are uploaded to the base station in sequence, and the data blocks with suitable sizes are uploaded to the base station according to the narrow-band Internet-of-Things network conditions of different path segments, so that the data volume of data retransmission when data transmission fails is reduced, and the data transmission effect is ensured.

The invention discloses a soft cache processing method under double connections, a terminal and network equipment. The method comprises the following steps: acquiring a first reference factor corresponding to a first network type and a second reference factor corresponding to a second network type under double connections; Segmenting corresponding soft caches for the first network type and the second network type according to the first reference factor and the second reference factor to obtain soft cache segmentation information; And sending the soft cache segmentation information to the network equipment. Terminal, obtaining a first reference factor corresponding to the first network type and a second reference factor corresponding to the second network type according to the obtained first reference factor; In the embodiment of the invention, the corresponding soft caches are segmented for the first network type and the second network type, so that the optimized segmentation of the soft caches under different dual-connection network types is ensured, and the utilization rate of the soft caches can be improved on the premise of ensuring the data transmission performance.

A method and apparatus for determining a position of a routing node and terminal equipment. Where the method includes: generating a 0-th generation routing node deployment scheme set according to a link connection relationship among sensor nodes, a gateway node and deployable routing nodes in a network; calculating a fitness of each routing node deployment scheme in a j-th generation routing node deployment scheme set; processing the j-th generation routing node deployment scheme set according to the fitness; and selecting a routing node deployment scheme from the routing node deployment scheme set satisfying the predetermined condition. In determining a position of a routing node, optimizing the number of routing nodes and optimizing routing paths are both taken into account, thereby obtaining a routing node deployment scheme with minimum routing nodes and which can also ensure data transmission performance of the network.

A polyethylene composite corrosion-resistant high-strength core cable is provided with a cable core and a protecting layer. The protecting layer is arranged outside the cable core. A protecting film is arranged outside the protecting layer. The protecting film is provided with an identification part. A code and a cable type are printed on the identification part in an inkjet manner. The inside of the protecting layer is provided with a protecting housing. The protecting housing is made of an alloy. A corrosion-resistant layer is arranged below the protecting housing. The corrosion-resistant layer is internally provided with a nanometer screen. The inside of the nanometer screen is provided with a fixed layer which warps the cable core. The cable is internally provided with an interlayer. The polyethylene composite corrosion-resistant high-strength core cable has advantages of preventing mutual interference in transmission between cable cores, preventing outlet data error in cable transmission, ensuring high data transmission effect of the cable, and furthermore improving corrosion resistance of the cable through arranging the corrosion-resistant layer in the cable.