Abstract: A channel state information processing method and apparatus are applied to a wireless local area network system supporting 802.11 series protocols, for example, an IEEE 802.11ax next-generation Wi-Fi protocol, such as 802.11be, Wi-Fi 7, or EHT, or a next generation of 802.11be, such as Wi-Fi 8 or UHR, and may be further applied to a UWB-based wireless personal area network system, a sensing system. The method includes: a transmit end determines a CSI report based on a transformation matrix, and sends the CSI report; and correspondingly, a receive end receives the CSI report, and processes, based on the transformation matrix, first CSI included in the CSI report, where the first CSI included in the CSI report is obtained based on second CSI and the transformation matrix, the transformation matrix is a complex matrix with M rows and N columns, and modulus values of elements in the transformation matrix are 1.

Abstract: The present invention discloses a wireless perception system energy and information transmission method of an unmanned aerial vehicle (UAV) swarm, comprising: building a wireless perception system architecture based on multi-UAV energy supply, wherein the system comprises a plurality of wireless powered sensors and a UAV swarm, and each sensor establishes connection with a UAV based on random access to realize network construction; designing energy and information transmission protocols in the swarm and between the swarm and the sensors, designing a joint optimization algorithm and solving optimal system configuration to obtain optimal transmission strategies. The present invention firstly proposes a joint optimization method of multi-network power allocation, time slot design and beam forming under the condition of multi-UAV autonomous collaborative energy supply, and also provides an efficient and reliable communication means for autonomous cooperative control of the UAV swarm.

Abstract: The present invention discloses a wireless perception system energy and information transmission method of an unmanned aerial vehicle (UAV) swarm, comprising: building a wireless perception system architecture based on multi-UAV energy supply, wherein the system comprises a plurality of wireless powered sensors and a UAV swarm, and each sensor establishes connection with a UAV based on random access to realize network construction; designing energy and information transmission protocols in the swarm and between the swarm and the sensors, designing a joint optimization algorithm and solving optimal system configuration to obtain optimal transmission strategies. The present invention firstly proposes a joint optimization method of multi-network power allocation, time slot design and beam forming under the condition of multi-UAV autonomous collaborative energy supply, and also provides an efficient and reliable communication means for autonomous cooperative control of the UAV swarm.

Abstract: A life jacket has two floating devices. Each of the floating devices has an expandable polystyrene layer, an ethylene/vinyl acetate copolymer layer enclosing the expandable polystyrene layer, and a fabric casing enclosing the ethylene/vinyl acetate copolymer layer.