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A method for broadcasting channel information, available channel and data rate of a base station in a CDMA communication system. The base station receives information indicating that a mobile station has data to transmit, over an access preamble channel. The base station transmits use status informa

A method for broadcasting channel information, available channel and data rate of a base station in a CDMA communication system. The base station receives information indicating that a mobile station has data to transmit, over an access preamble channel. The base station transmits use status information of physical channels and maximum available data rate information on a status indicator channel. The mobile station receives the use status information of physical channels and the maximum available data rate information through the status indicator channel from a base station. The mobile station transmits to the base station an access preamble for requesting allocation of a given physical channel determined depending on the use status information and the maximum available data rate information.

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1. A method of base station operation in a CDMA (Code Division Multiple Access) communication system, comprising the steps of:transmitting use state formation of each physical packet channel and maximum available data rate information of the physical packet channel on a channel state indication chan

1. A method of base station operation in a CDMA (Code Division Multiple Access) communication system, comprising the steps of:transmitting use state formation of each physical packet channel and maximum available data rate information of the physical packet channel on a channel state indication channel; receiving, in the base station, information indicating that a mobile station has data to transmit and selecting an unused physical packet channel, using an access preamble; and transmitting an acquisition indicator signal for indicating an allowance of usage of the selected physical packet channel to the mobile station when the base station allows usage of the currently unused selected physical packet channel. 2. The method as claimed in claim 1, wherein if one physical packet channel uses multi-code transmission, the maximum available data rate information includes information indicating the number of multi-codes transmitted to the mobile station according to the multi-code usage.3. The method as claimed in claim 1, wherein the maximum available data rate is a currently supportable maximum data rate on a physical packet channel in the base station.4. The method as claimed in claim 1, wherein the physical packet channels are physical common packet channels.5. The method as claimed in claim 1, wherein one frame of the acquisition indicator signal is composed of a plurality of access slots, wherein the use status information of said physical packet channels and the maximum available data rate information are transmitted through a given number of unused bits of the access slots.6. The method as claimed in claim 5, wherein one frame of the acquisition indicator signal is comprised of 15 access slots.7. The method as claimed in claim 6, wherein each one of said access slots is comprised of 32 bits for transmitting the acquisition indicator signal in response to the access preamble and 8 bits for transmitting the use status information of the physical packet channels and the maximum available data rate information.8. The method as claimed in claim 5, wherein the number of the use status information bits of the physical packet channels is determined depending on the total number of the physical packet channels which are presently used or may be used in the base station.9. The method as claimed in claim 5, wherein the use status information of said physical packet channels transmitted through at least one of the plurality of access slots, and the maximum available data rate information is transmitted through remaining access slots.10. The method as claimed in claim 5, wherein the maximum available data rate information is repeatedly transmitted at predetermined times though at least one of the plurality of access slots, and the use status information of said physical packet channels is repeatedly transmitted at predetermined times through remaining access slots.11. The method as claimed in claim 10, wherein the number of access slots for transmitting the maximum available data rate information is determined depending on a number of repetitions for transmitting the maximum available data rate information.12. The method as claimed in claim 5, wherein the use status information of said physic packet channels and the maximum available data rate information are distributed to a predetermined number of unused bits of the access slots.13. The method as claimed in claim 5, wherein the use status information of said physical packet channels is transmitted one time during an access frame period and the maximum available data rate information is repeatedly transmitted during the access frame period.14. The method as claimed in claim 5, wherein the maximum available data rate information is transmitted through bits in predetermined positions of predetermined unused bits from the access slots, and the use status information of said physical packet channels is transmitted through the remaining unused bits.15. The method as claimed in claim 1, further comprising the steps of:applying a number of its (i) in the following Equation 32 to obtain information as to an available maximum data transmission rate; applying the total number of the physical packet channel (j) to the following Equation33 to obtain state information for the individual physical packet channel; applying intermediate predetermined values (i,j) and the total number of bits for the CSICH (Channel Status Indicator Channel) to the following Equation 34 to thereby determine the number of repetitions (R); dividing the intermediate value (j) by the number of repetitions (R) to obtain an intermediate value (r) and applying the intermediate values (j,r,R) to the following Equation 35, to obtain an intermediate value (s); applying the obtained intermediate value (I,r,s,R) to the following Equations 36 and 37 to determine a position of the CSICH and writing the information as to available maximum data transmission rate the determined position; and applying the obtained intermediate values (I,r,j,s,R) to the following Equations 38 and 39 to determine a position of the CSICH and writing state information for the individual physical packet channel to the determined position. 16. A method of base station operation in a CDMA (Code Division Multiple Access) communication system, comprising the steps of:transmitting use status formation of physical packet channels and maximum available data rate information of currently unused physical packet channels on a channel status indicator channel; receiving, in the base station, information indicating that a mobile station has data to transmit and selecting a desired data rate, using an access preamble; and transmitting an acquisition indicator signal for indicating an allowance of usage of the desired data rate to the mobile station on an acquisition indicator channel when the base station can support the selected data rate. 17. The method as claimed in claim 16, wherein one frame of the acquisition indicator channel is comprised of a plurality of access slots, wherein the use status information of said physical packet channels and the maximum available data rate information are transmitted on an unused part of the access slots.18. The method as claimed in claim 15, wherein the use status information of said physical packet channels is transmitted one time during unused parts of the access slots in one access frame period and the maximum available data rate information is repeated based on a bit number of the use status information and transmitted at remaining part of the unused part of the unused access slots in one frame period.19. The method as claimed in claim 16, further comprising the steps of:applying a number of bits (i) in the following Equation 32 to obtain information as to an available maximum data transmission rate; applying the total number of the physical packet channel (j) to the following Equation 33 to obtain state information for the individual physical packet channel; applying predetermined intermediate values (i,j) and the total number of bits for the CSICH (Channel Status Indicator Channel) to the following Equation 34 to determine the number of repetitions (R); dividing the intermediate value (j) by the number of repetitions (R) to obtain an intermediate value (r) and applying the intermediate values (j,r,R) to the following Equation 35, to obtain an intermediate value (s); applying the obtained intermediate value (I,r,s,R) to the following Equations 36 and 37 to determine the position of the CSICH and writing the information as, to available maximum data transmission rate to the determined position; and applying the obtained intermediate values (I,r,j,s,R) to the following equations 38 and 39 to determine the position of the CSICH and writing state information for the individual physical packet channel to the determined position 20. A method of mobile station operation in a CDMA mobile communication system, comprising the steps of:receiving, in a mobile station, use status information of physical packet channels and maximum available data rate information through an acquisition indicator channel indicating acquisition of an access preamble from a base station; and selecting an access preamble representing a desired data rate; transmitting to the base station the access preamble for requesting allocation of a physical packet channel that can support the desired data rate. 21. The method as claimed in claim 20, wherein if one physical packet channel uses multi-code transmission, the maximum available data rate information includes information indicating a number of multi-codes.22. The method as claimed in claim 20, wherein the maximum available data rate is a currently supportable maximum data rate on a physical channel.23. The method as claimed in claim 20, wherein the physical packet channels are common packet channels.24. The method as claimed in claim 20, wherein one frame in the acquisition indicator channel is comprised of a plurality of access slots, wherein the use status information of said physical packet channels and the maximum available data rate information are transmitted through a given number of unused bits of the access slots.25. The method as claimed in claim 22, further comprising a having frame having 15 access slots.26. The method as claimed in claim 25, wherein each one of said access slots is comprised of 32 bits for transmitting an access preamble acquisition indicator signal in response to the access preamble and 8 bits for transmitting the use status information of said physical packet channels and the maximum available data rate.27. The method as claimed in claim 22, wherein the number of the use status information bits of the physical packet channels is determined depending on the total number of the physical packet channels which are presently used or may be used in the base station.28. The method as claimed in claim 22, wherein the use status information of said physical packet channel is transmitted through at least one of the plurality access slots of one access frame, and the maximum available data rate information is transmitted through a remaining unused portion of the access slots.29. The method as claimed in claim 22, wherein the maximum available data rate information is repeatedly transmitted at predetermined times through unused bits of one access frame, and the use status information of physical packet channels is transmitted at one time through remaining unused portions of the access frame.30. The method as claimed in claim 25, wherein the use status information of said physical packet channels and the maximum available data rate information are distributed to a predetermined number of unused bits of the access slots.31. The method as claimed in claim 22, wherein the use status information of said physical packet channels is transmitted over at least one frame and the maximum available data rate formation is transmitted over a different frame.32. The method as claimed in claim 29, wherein the number of frames for transmitting the maximum available data rate information is determined depending on a number indicating a repeating of the maximum available data rate information.33. The method as claimed in claim 29, wherein the number of frames for transmitting the use status information of said physical packet channels is determined depending on the total number of the physical packet channels.34. The method as claimed in claim 22, wherein the maximum available data rate information is transmitted in predetermined positions predetermined unused bits among the bits constituting the access slots, and the use status information of physical channel is transmitted through the remaining unused bits.35. The method as claimed in claim 20, further comprising the steps of:applying a number of bits (i) in the following Equation 32 to obtain information as to an available maximum data transmission rate; applying the total number of the physical packet channel (j) to the following Equation 33 to obtain state information for the individual physical packet channel; applying predetermined intermediate values (i,j) and the total number of bit for the CSICH (Channel Status Indicator Channel) to the following Equation 34 to determine the number of repetitions (R); dividing the intermediate value (j) by the number of repetitions (R) to obtain an intermediate value (r) and applying the intermediate values (j,r,R) to the following Equation 35, to obtain an intermediate value (s); applying the obtained intermediate value (I,r,s,R) to the following Equations 36 and 37 to determine the position of the CSICH and writing the information as to available maximum data transmission rate to the determined position; and applying the obtained intermediate values (I,r,j,s,R) to the following Equations 38 and 39 to determine the position of the CSICH and writing state information for the individual physical packet channel to the determined position.