8results about How to "Guaranteed communication performance" patented technology

The invention provides a channel information feedback method, a channel parameter configuration method and a communication device, relates to the technical field of communication, and can solve the problem that channel estimation and feedback schemes in related technologies are difficult to adapt to different communication scenes. The method comprises the following steps: determining a target codebook according to channel parameters; the channel parameters comprise at least one of grouping information, rank indication information, reference signal resource indication information and frequency domain information; the grouping information is used for determining a code word structure in the codebook; the frequency domain information is used for determining a frequency band of to-be-fed-back channel information; and selecting a codeword from the target codebook and feeding back indication information of the selected codeword to the second node. The method and the device can better adapt to different communication scenes.

The invention discloses a method and a system for configuring a common inductance reference signal and a signal transmitter, and the method comprises the steps: generating two one-dimensional sequence sets, namely a first sequence set and a second sequence set; the first sequence set and the second sequence set both meet preset self-correlation and cross-correlation; generating a third sequence with a two-dimensional data structure according to the sequences in the first sequence set and the second sequence set; converting the third sequence to a time-frequency domain to obtain a fourth sequence; and configuring a corresponding reference signal according to the fourth sequence on a time-frequency resource unit of an antenna port. Based on the method, the perception capability of a communication system in a complex environment is improved, the signal processing complexity is reduced, and high-precision perception of the environment is realized while the communication performance is ensured.

This invention provides an autonomous emergency communication vehicle and its usage method. The autonomous emergency communication vehicle includes a communication vehicle body, a cargo compartment fixedly mounted on the communication vehicle body, a lifting mechanism fixedly mounted inside the cargo compartment, a telescopic rod fixedly mounted on the lifting mechanism, a lower frame plate fixedly mounted at the top of the telescopic rod, a connecting side plate fixedly mounted on the outer side of the lower frame plate, an upper frame plate fixedly mounted at the top of the connecting side plate, an adjustment component fixedly mounted on the upper frame plate, an adjustment crossbar provided on the adjustment component, and a connecting component provided on the adjustment crossbar. The autonomous emergency communication vehicle provided by this invention, through the coordinated use of the adjustment component and the stabilization component, ensures stable and efficient communication capabilities in various environments by rapidly deploying and adjusting the transceiver antenna, improving emergency response speed and flexibility, and greatly enhancing the effectiveness of the communication vehicle.

The application discloses a non-uniform sensing frame structure design method, and relates to the technical field of wireless communication physical layer, comprising the following steps: 1) calculating the minimum number of required non-uniform sensing symbols according to the required sensing performance index of the sensing frame structure; 2) calculating the actual arrangement index of each non-uniform sensing symbol according to the minimum number of required non-uniform sensing symbols, and allocating the remaining symbols to communication users. The application adopts an augmented nested structure to configure the arrangement of the sensing symbols, fully utilizes the correlation between the sensing symbols, constructs virtual differential sensing symbols, reduces sensing resource overhead, and improves the precision of sensing performance and the successful detection probability.

The invention discloses a transmission method and device, a terminal and a base station, and belongs to the technical field of communication, and the transmission method comprises the steps that a first terminal receives first configuration information from a first cell; wherein the first configuration information is used for the first terminal to request or instruct at least one of the first cell and an adjacent cell of the first cell to send first information, and the first information comprises at least one of the following items: a synchronization signal block SSB and a system information block SIB1.

This application discloses a signal processing method and a communication device, belonging to the field of communication technology. The signal processing method of this application includes: a first communication device determining a first Walsh sequence according to first indication information; the first communication device spreading the original signal according to the first Walsh sequence to generate a first signal; and the first communication device sending the first signal to a second communication device, wherein the first communication device is a device that provides a radio frequency carrier source to the second communication device.

The embodiment of the invention relates to the technical field of vehicle-mounted wireless communication, and discloses a thermal management system and method for a vehicle-mounted wireless communication module, and the system comprises a printed circuit board which is provided with a heating component and a thermistor corresponding to the heating component; the shielding cover is arranged above the heating component in a covering manner and is connected with the printed circuit board; a heat conduction interface material is filled between the heating component and the shielding cover; the thermistor is used for providing a temperature signal representing the corresponding heating component to the control unit; the control unit is configured to execute the switching logic of the state machine according to the priority sequence of the monitored temperature signals, and dynamically adjust at least one working parameter of the module based on the target state of the switched state machine so as to control the temperature rise of the vehicle-mounted wireless communication module; the temperature rise of the module is controlled through active heat dissipation, passive heat dissipation and a heat management strategy.

The utility model relates to the technical field of Bluetooth earphones, in particular to a Bluetooth antenna and a head-mounted Bluetooth earphone. The Bluetooth antenna is arranged in the head-mounted Bluetooth earphone, the head-mounted Bluetooth earphone comprises an earphone shell, and the earphone shell comprises a metal shell and a plastic shell. The Bluetooth antenna comprises a first connecting part and a second connecting part, the first connecting part is provided with a first side face and a second side face which are oppositely arranged, the first side face is provided with an antenna radiation area, and the antenna radiation area is arranged at the position, close to the side edge, of the first side face; the second connecting part is flexibly connected with the first connecting part, the second connecting part is provided with a third side face and a fourth side face which are oppositely arranged, the third side face is provided with reference ground, and the reference ground is electrically connected with the antenna radiation area through a circuit. Wherein the first connecting part can be bent relative to the second connecting part, so that the antenna radiation area is arranged in a direction far away from the metal shell. The head-mounted Bluetooth earphone comprises the Bluetooth antenna. The Bluetooth signal transmission of the Bluetooth earphone applying the Bluetooth antenna is stable.