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http://www.freepatentsonline.com/y2010/0273494.html
RADIO COMMUNICATION BASE STATION DEVICE AND CORRELATION SETTING METHOD United States Patent Application 20100273494 Kind Code: A1

http://www.google.com/patents/EP2178232A1?cl=en
Patent
Radio communication base station device and correlation setting method EP 2178232 A1



“…a setting section that sets an association between the first signal and the second signal such that …”



“The present invention relates to a radio communication base station apparatus and an association setting method.

“It is therefore an object of the present invention to provide a radio communication base station apparatus and an association setting method capable of suppressing the amount of communication resources used for SRSs.
“The radio communication base station apparatus of the present invention adopts a configuration including a receiving section that receives a first signal which is provide with a guard time and which is transmitted periodically, and a second signal which is transmitted periodically, a setting section that sets an association between the first signal and the second signal such that a first transmission field for the first signal matches a second transmission field for the second signal, and a determining section that determines the second transmission field based on the first transmission field and the association.”