Method and apparatus for channel quality feedback in a wireless communication

Abstract

Method and apparatus for providing link quality feedback to a transmitter In one embodiment, the link quality of a received signal is measured and a quality message is generated during a quality message period, the quality message representative of a link quality at a first period, and one or more differential indicators are generated during the quality message period, the differential indicators representative of a change in link quality following the first period.

1 . A remote station apparatus comprising:
 a quality measurement unit configured to measuring link quality of a received signal;   a differential analyzer connected to the quality measurement unit and configured to generate a quality message during a quality message period, the quality message representative of a link quality at a first period,   the differential analyzer further configure to generate one or more differential indicators during the quality message period, the differential indicators representative of a change in link quality following the first period.   
   
   
       2 . The remote station apparatus of  claim 1 , further comprises an encoding unit configured to apply a cover corresponding to a base station identification associated with the measured link to generate the quality message. 
   
   
       3 . The remote station apparatus of  claim 1 , wherein the base station identity corresponds to a sector identification of the base station. 
   
   
       4 . The remote station apparatus according to  claim 1 , wherein the quality message includes carrier to interference information of the received signal. 
   
   
       5 . The remote station apparatus according to  claim 1 , wherein each differential indicator is at least one bit. 
   
   
       6 . The remote station apparatus according to  claim 1 , wherein each differential indicator comprises a plurality of bits. 
   
   
       7 . A method for providing link quality feedback comprising:
 measuring link quality of a received signal;   generating a quality message during a quality message period, the quality message representative of a link quality at a first period;   generating one or more differential indicators during the quality message period, the differential indicators representative of a change in link quality following the first period.   
   
   
       8 . The method of  claim 7 , further comprising applying a cover corresponding to a sector associated with the measured link to generate the quality message. 
   
   
       9 . The method according to  claim 7 , wherein the quality message includes carrier to interference information of the received signal. 
   
   
       10 . The method according to  claim 7 , wherein each differential indicator is at least one bit. 
   
   
       11 . The method according to  claim 7 , wherein each differential indicator comprises a plurality of bits. 
   
   
       12 . A remote station apparatus comprising:
 means for measuring link quality of a received signal;   means for generating a quality message during a quality message period, the quality message representative of a link quality at a first period,   means for generating one or more differential indicators during the quality message period, the differential indicators representative of a change in link quality following the first period.   
   
   
       13 . The remote station apparatus of  claim 12 , wherein the remote station apparatus applies a cover corresponding to a sector associated with the measured link to generate the quality message. 
   
   
       14 . The remote station apparatus of  claim 12 , wherein the quality message includes carrier to interference information of the received signal. 
   
   
       15 . The remote station apparatus of  claim 12 , wherein each differential indicator is at least one bit. 
   
   
       16 . The remote station apparatus of  claim 12 , wherein each differential indicator comprises a plurality of bits. 
   
   
       17 . A computer-readable medium comprising:
 code for causing a computer to measure link quality of a received signal   code for causing the computer to generate a quality message during a quality message period, the quality message representative of a link quality at a first period;   code for causing the computer to generate one or more differential indicators during the quality message period, the differential indicators representative of a change in link quality following the first period.   
   
   
       18 . The computer-readable medium of  claim 17 , further comprising code for causing the computer to apply a cover corresponding to a sector associated with the measured link to generate the quality message.