Method and system for transmitting reverse data in a mobile communication system

Abstract

Disclosed is a method for controlling a reverse data rate by a mobile station in a mobile communication system supporting high-rate packet data transmission. The method includes receiving average loading information (FRAB) from a particular base station when the mobile station attempts an initial access to the base station; setting the received average loading information as average loading information for the base station; and upon receiving reverse activity information (RAB) from the base station, controlling a rate of reverse data using the received reverse activity information and the set average loading information.

1 . A method for controlling a reverse data rate by a mobile station in a mobile communication system supporting high-rate data transmission, the method comprising: 
 receiving average loading information (FRAB) from a particular base station when the mobile station attempts an initial access to the base station;    setting the received average loading information as average loading information for the base station; and    upon receiving reverse activity information (RAB) from the base station, controlling a rate of reverse data using the received reverse activity information and the set average loading information.    
   
   
       2 . The method of  claim 1 , further comprising upon receiving the reverse activity information from the base station, updating the average loading information.  
   
   
       3 . The method of  claim 1 , wherein the average loading information indicates long term sector loading.  
   
   
       4 . The method of  claim 1 , wherein the average loading information is real number between +1 and −1.  
   
   
       5 . The method of  claim 1 , further comprising: 
 receiving reverse activity information from respective base stations in an active set; and    storing the average loading information for the respective base stations in the active set using the reverse activity information received from the respective base stations.    
   
   
       6 . The method of  claim 5 , further comprising, upon occurrence of a need for handoff to one of the base stations in the active set, setting a maximum value among the average loading information for the respective base stations in the active set as average loading information for a target base station to which the mobile station will perform handoff.  
   
   
       7 . A method for controlling a reverse data rate upon handoff during reverse communication in a mobile communication system supporting high-rate packet data transmission, the method comprising: 
 upon occurrence of a need for handoff to a target base station, setting, by a mobile station, average loading information having a maximum value among average loading information provided for at least one base stations in an active set, as average loading information for the target base station; and    upon receiving reverse activity information from the base station, controlling, by a mobile station, the reverse data rate using the received reverse activity information and the set average loading information.    
   
   
       8 . The method of  claim 7 , further comprising, upon receiving the reverse activity information from the base station, updating the average loading information.  
   
   
       9 . The method of  claim 7 , wherein the average loading information indicates long term sector loading.  
   
   
       10 . The method of  claim 7 , wherein the average loading information is real number between +1 and −1.  
   
   
       11 . The method of  claim 7 , wherein the average loading information is Filtered Reverse Activity Bit (FRAB).  
   
   
       12 . A method for providing rate control information for reverse packet data to an initially accessed mobile station by a base station in a mobile communication system supporting high-rate packet data transmission, the method comprising: 
 generating average loading information (FRAB) to be transmitted to the mobile station into a predetermined message; and    transmitting the generated message through a predetermined forward channel.    
   
   
       13 . The method of  claim 12 , wherein the average loading information is a value generated from reverse activity information transmitted by the base station for a predetermined time.  
   
   
       14 . The method of  claim 12 , wherein the predetermined forward channel is a signaling channel.  
   
   
       15 . An apparatus for providing rate control information for reverse packet data to an initially accessed mobile station by a base station in a mobile communication system supporting high-rate packet data transmission; 
 wherein the base station generates average loading information to be transmitted to the mobile station into a predetermined message and transmits the generated message through a predetermined forward channel.    
   
   
       16 . The apparatus of  claim 15 , wherein the average loading information is a value generated from reverse activity information transmitted by the base station for a predetermined time.  
   
   
       17 . A mobile station apparatus for controlling a reverse data rate in a mobile communication system supporting high-rate packet data transmission; 
 wherein when the mobile station attempts an initial access to a predetermined base station, the mobile station receives average loading information (FRAB) from the base station, sets the received average loading information as average loading information for the base station, and upon receiving reverse activity information (RAB) from the base station, controlling a reverse data rate using the received reverse activity information and the set average loading information.    
   
   
       18 . The mobile station apparatus of  claim 17 , wherein upon receiving the reverse activity information from the base station, the mobile station updates the average loading information.  
   
   
       19 . The mobile station apparatus of  claim 17 , wherein the average loading information is received from the base station through a signaling channel.  
   
   
       20 . The mobile station apparatus of  claim 17 , wherein the mobile station receives reverse activity information from respective base stations in an active set, and stores average loading information for the respective base stations using the reverse activity information received from the respective base stations in the active set.  
   
   
       21 . The mobile station apparatus of  claim 20 , wherein upon occurrence of a need for handoff to one of base stations in the active set, the mobile station sets a maximum value among the average loading information for the base stations in the active set, as average loading information for a target base station to which the mobile station will perform handoff.  
   
   
       22 . A mobile station apparatus for controlling a reverse data rate upon handoff by the mobile station in reverse communication in a mobile communication system supporting high-rate packet data communication; 
 wherein upon occurrence of a need for handoff to a target base station, the mobile station sets average loading information having a maximum value among average loading information provided for at least one base stations in an active set, as average loading information for the target base station, and upon receiving reverse activity information from the target base station, determines the reverse data rate using the received reverse activity information and the set average loading information.    
   
   
       23 . The mobile station apparatus of  claim 22 , wherein upon receiving reverse activity information from the base station, the mobile station updates the average loading information.  
   
   
       24 . The apparatus of  claim 22 , wherein the average loading information indicates long term sector loading.  
   
   
       25 . The apparatus of  claim 22 , wherein the average loading information is real number between +1 and −1.  
   
   
       26 . The apparatus of  claim 22 , wherein the average loading information is Filtered Reverse Activity Bit(FRAB).  
   
   
       27 . A mobile station apparatus for determining a reverse data rate upon handoff in a mobile communication system supporting high-rate packet data communication; 
 a receiver for receiving reverse activity information from a target base station; and    a controller for setting average loading information having a maximum value among average loading information provided for at least one base stations in an active set, as average loading information for the target base station and determining the reverse data rate using the received reverse activity information and the set average loading information upon occurrence of a need for handoff to a target base station.    
   
   
       28 . A mobile station apparatus for controlling a reverse data rate upon handoff by the mobile station in a mobile communication system supporting high-rate packet data communication comprising: 
 a controller; and    a memory having a program stored thereon to direct the controller;    wherein upon occurrence of a need for handoff to one of base stations in an active set, the mobile station controller sets average loading information having a maximum value among average loading information provided for the respective base stations in the active set, as average loading information for a target base station to which the mobile station will perform handoff, and    upon receiving reverse activity information from the target base station, determines a reverse data rate using the received reverse activity information and the set average loading information.    
   
   
       29 . A mobile station apparatus for controlling a data rate in a mobile communication system supporting high-rate packet data transmission comprising: 
 a controller; and    a memory having a program stored thereon to direct the controller to:    receive average loading information (FRAB) from the base station,    set the received average loading information as average loading information for the base station, and,    upon receiving reverse activity information (RAB) from the base station, controlling a rate of reverse data using the received reverse activity information and the set average loading information.