US Patent 10454508 Multiway switch, radio frequency system, and wireless communication device

A multiway switch, a radio frequency system, and a wireless communication system are provided. The multiway switch includes n T ports and four P ports. Each T port is coupled with all of the four P ports, where n is an integer and 4≤n. The multiway switch is configured to be coupled with a radio frequency circuit and an antenna system of an electronic device to implement a preset function of the electronic device. The antenna system includes four antennas corresponding to the four P ports. The preset function is a function of transmitting an SRS through the four antennas in turn.