Invention Grant
US08194618B2 Radio base station device, communication terminal device, and control information transmission method 有权
无线基站装置,通信终端装置和控制信息传输方法

Radio base station device, communication terminal device, and control information transmission method
Abstract:
In addition to dedicated channel signal formation units 101-1 to 101-N, control information channel signal formation unit 110 is provided and this control information channel signal formation unit 110 forms control information for carrying out uplink packet transmission. The control information channel signal formation unit 110 multiplexes control information (RG information, ACK/NACK, etc.) directed to a plurality of communication terminals through a channel encoding section 111 according to a multiplexing rule preset between the base station apparatus and each communication terminal and spreads the control information using a spreading code common to the communication terminals through a spreading section 113 and thereby forms a control information channel signal for uplink packet transmission.
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