Device and method for communicating power control signals in mobile communication system

A mobile station receiver comprising:

• a power control signal extractor for extracting a power control signal within a given interval of a reception signal received on a code channel, wherein the power-control signal includes PCB patterns for a plurality of mobile stations;
• a PCB pattern generator for multiplying the extracted power control signal by a user pattern assigned to the mobile station, to extract the PCB pattern of the mobile station;
• and
• a decider for determining a PCB in accordance with a signal level of the extracted PCB pattern.

A power control device for a mobile communication system, comprising:

• a base station transmitter and a mobile station receiver,
• wherein the base station transmitter comprises:
• a plurality of PCB pattern generators for generating PCBs to control the power of a plurality of mobile stations, said generated PCBs being multiplied by orthogonal user patterns to generate PCB patterns for the respective mobile stations;
• an adder for adding the generated PCB patterns;
• a multiplexer for multiplexing the power control signals with transmission data to form a combined signal;
• and
• a transmitter for modulating the combined signal and transmitting the combined signal,
• wherein the mobile station receiver comprises:
• a power control signal extractor for extracting the power control signal within a given interval of a reception signal received on a code channel;
• a PCB pattern generator for multiplying the power control signal by the user pattern assigned to the mobile station, to extract a PCB pattern of the mobile station;
• and
• a decider for determining PCBs in accordance with a signal level of the extracted PCB pattern.

A transmission method for a base station, comprising the steps of:

• (a) multiplying PCBs corresponding to each of a plurality of mobile stations by orthogonal user patterns assigned to the respective mobile stations, to generate PCB patterns for the respective mobile stations;
• (b) adding the generated PCB patterns to generate a power control signal;
• (c) mulitplexing the power control signal with a transmission data to form a combined signal;
• and
• (d) modulating the combined signal and transmitting the modulated combined signal.

A reception method for a mobile station, comprising the steps of:

• (a) extracting a power control signal within a given interval of a reception signal received on a code channel, wherein the power control signal includes PCB patterns for a plurality of mobile stations;
• (b) multiplying the power control signal by a user pattern assigned to the mobile station itself, to extract the PCB pattern of the mobile station;
• and
• (c) generating a PCB in accordance with a signal level of the extracted PCB pattern.