Abstract: A signal transmission apparatus includes: a shielding cabinet and at least one group of first signal transceiver assemblies, at least one antenna assembly, and a first installation structure that are disposed inside the shielding cabinet, where the first installation structure has a one-to-one correspondence with the at least one group of first signal transceiver assemblies, each antenna assembly includes an antenna probe and a signal cable that are connected to each other, and the antenna probe performs, by using the signal cable, signal transmission with another signal transmission apparatus disposed outside the shielding cabinet; signal transmission is performed between the first signal transceiver assembly and the antenna probe in a wireless manner; and each first installation structure can drive a corresponding group of first signal transceiver assemblies to move.

Abstract: A signal transmission apparatus includes: a shielding cabinet and at least one group of first signal transceiver assemblies, at least one antenna assembly, and a first installation structure that are disposed inside the shielding cabinet, where the first installation structure has a one-to-one correspondence with the at least one group of first signal transceiver assemblies, each antenna assembly includes an antenna probe and a signal cable that are connected to each other, and the antenna probe performs, by using the signal cable, signal transmission with another signal transmission apparatus disposed outside the shielding cabinet; signal transmission is performed between the first signal transceiver assembly and the antenna probe in a wireless manner; and each first installation structure can drive a corresponding group of first signal transceiver assemblies to move.

Abstract: A method for inter-system handover is provided by the present invention, including: changing a first handover-related information into a second handover-related information, wherein the first handover-related information is supported by a serving communication system and the second handover-related information is supported by a target communication system; and handing over the user terminal from the serving communication system to the target communication system based on the second handover-related information. An apparatus for inter-system handover is also provided. The present invention can insure successful handover of user terminals from a serving communication system to a target communication system.

Abstract: A method for inter-system handover is provided by the present invention, including: changing a first handover-related information into a second handover-related information, wherein the first handover-related information is supported by a serving communication system and the second handover-related information is supported by a target communication system; and handing over the user terminal from the serving communication system to the target communication system based on the second handover-related information. An apparatus for inter-system handover is also provided. The present invention can insure successful handover of user terminals from a serving communication system to a target communication system.