Multi-carrier cdma radio transmitting method and apparatus,...

Details Multi-carrier cdma radio transmitting method and apparatus,... Multi-carrier cdma radio transmitting method and apparatus,...

H - Electricity

04

B

H04B 7/216 (2006.01) H04J 13/00 (2006.01) H04J 13/02 (2006.01)

Patent

CA 2507729

A multi-carrier CDMA radio transmitting method replicates each information symbol and disposes thus- obtained information symbols along a frequency axis, multiplies the thus-obtained information symbols with a spreading code along the frequency axis, spreads the information symbols into components of a plurality of sub- carriers having different frequencies. The transmission rate of the information is changed by controlling the amount of information transmitted simultaneously by controlling the number of the information symbols to be used for spreading for the plurality of sub-carrier components for each user to which the information is to be transmitted.

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