3results about How to "Guaranteed transmit power" patented technology

The invention discloses a multi-cluster air computing network-oriented transmitting-receiving cooperation method and system, and belongs to the field of air computing in a wireless network, and the method comprises the steps: firstly constructing a multi-cluster air computing scene, and analyzing an expression of an air computing rate and key influence factors of the expression; secondly, decomposing the problem into a receiving beamforming sub-problem and a transmission factor control sub-problem according to physical significance; deriving a closed-form solution expression of the receiving beamforming sub-problem according to the receiving beamforming sub-problem; for the transmission factor control sub-problem, continuous convex approximation is used for solving; then, jointly solving the two sub-problems by adopting an alternating optimization algorithm to obtain an optimal weighting sum rate; finally, system parameters are changed, and the change relation between different parameters and the weighting and calculation rate is studied. The scheme provided by the invention is superior to the existing method in the aspect of calculation rate, and reveals the influence of key parameters on the air calculation performance.

This invention provides a low-power, ultra-long standby FPV drone image transmission system and its implementation method, comprising: an RF transceiver, a 1-to-2 RF switch, an RF front-end module, and a 1-to-4 RF switch; the signal output terminal of the RF transceiver is electrically connected to the signal input terminal of the 1-to-2 RF switch; the two signal output channels of the 1-to-2 RF switch are respectively electrically connected to the RF input pin of the RF front-end module and the signal input terminal of the 1-to-4 RF switch; the signal output terminal of the RF front-end module is electrically connected to another signal input terminal of the 1-to-4 RF switch; the output terminal of the 1-to-4 RF switch is connected to an antenna. In scenarios where takeoff is not in progress, this invention can shut down the RF amplifier (PA) in the RF front-end module, significantly reducing power consumption and fundamentally solving the heat dissipation problem. Therefore, the image transmission system can operate normally for extended periods without crashing, greatly improving the user experience.

The invention discloses a task-oriented 5G cell switching method and a task-oriented 5G cell switching device, which belong to the technical field of wireless communication, and are characterized in that a base station side divides user types into VIP users and common users according to task requirements; the base station side network manager configures the unique identification number of the mobile device of the VIP user to the base station; after receiving the switching request of the user, the base station side implements cell switching operation; the switching threshold of the VIP user is greater than the switching threshold of a common user; and if the base station side judges that the switched user belongs to the VIP user, the transmitting power of the target cell is improved. Therefore, the user executing the important task can be set as the VIP user, the ping-pong phenomenon of the VIP user can be reduced, and the switching stability and the transmission rate of the user executing the important task are practically guaranteed.