Patent ID: 7116909
Filing Date: 2006-10-03
Classification: H04B

Abstract:
1. An information transmission system for transmitting information from a sending apparatus to a receiving apparatus, said information transmission system comprising said sending apparatus and said receiving apparatus which include a mode selection part for selecting one of a first transmission mode and a second transmission mode, said sending apparatus comprising: a demultiplexer configured to segment an information signal into a first data signal and a second data signal that are different from each other; radio signal modulation parts configured to modulate said first data signal and said second data signal; a control part configured to control said sending apparatus such that said first data signal is transmitted to said receiving apparatus as a radio signal and said second data signal is transmitted to said receiving apparatus as an optical signal when said first transmission mode is selected; said control part controlling said sending apparatus such that said information signal is transmitted to said receiving apparatus via a plurality of routes including a radio transmission route and an optical transmission route when said second transmission mode is selected, said receiving apparatus comprising: a part configured to multiplex said first data signal and said second data signal when said first transmission mode is selected; and a part configured to diversity-combine said information signal which is transmitted via said plurality of routes when said second transmission mode is selected.