Grant processing for flexible bandwidth carrier systems

Abstract

Methods, systems, and devices are described for control information processing and utilization in a wireless communications system that utilizes one or more flexible bandwidth carriers. The methods may include receiving control information over a first channel of one of the one or more flexible bandwidth carriers, determining a processing time for the received control information over the first channel of the one of the one or more flexible bandwidth carriers based on a processing time of control information for another bandwidth carrier, and utilizing the received control information over the first channel of the one of the one or more flexible bandwidth carriers during a first transmission time interval of the first channel of the one of the one or more flexible bandwidth carriers subsequent to the processing time for the received control information over the first channel of the one of the one or more flexible bandwidth carriers.

What is claimed is: 
     
       1. A method of control information processing and utilization for a wireless communications system that utilizes one or more flexible bandwidth carriers, the method comprising:
 receiving control information over a first channel of one of the one or more flexible bandwidth carriers; 
 decreasing a dilated processing time attributed to the received control information over the first channel to correspond to a required processing time, wherein the required processing time is less than the dilated processing time attributed to the received control information over the first channel; and 
 determining a first transmission time interval (TTI) of the first channel to use in response to the received control information over the first channel based at least in part on the decreased dilated processing time for the received control information over the first channel. 
 
     
     
       2. The method of  claim 1 , further comprising:
 receiving control information for a normal bandwidth carrier over a channel of the normal bandwidth carrier; and 
 utilizing the received control information for the normal bandwidth carrier during a first transmission time interval (TTI) of the channel of the normal bandwidth carrier, the first TTI of the channel of the normal bandwidth carrier being determined based at least in part on a processing time of the control information for the normal bandwidth carrier. 
 
     
     
       3. The method of  claim 1 , further comprising:
 receiving control information over a second channel of one of the one or more flexible bandwidth carriers; 
 decreasing a dilated processing time attributed to the received control information over the second channel; and 
 utilizing the received control information over the second channel during a first transmission time interval (TTI) of the second channel, the first TTI of the second channel being determined based at least in part on the decreased dilated processing time for the received control information over the second channel. 
 
     
     
       4. The method of  claim 1 , wherein determining the first TTI of the first channel comprises determining at least a system frame number for applying the received control information based at least in part on a bandwidth scaling factor of the first channel. 
     
     
       5. The method of  claim 1 , wherein the required processing time equals a processing time of control information for a normal bandwidth carrier. 
     
     
       6. The method of  claim 1 , wherein the control information over the first channel comprises one or more grants. 
     
     
       7. The method of  claim 1 , wherein the first channel comprises at least an Enhanced Absolute Grant Channel (E-AGCH) or an Enhanced Relative Grant Channel (E-RGCH). 
     
     
       8. The method of  claim 1 , wherein the one of the one or more flexible bandwidth carriers of the first channel comprises a bandwidth scaling factor equal to 2 or 4. 
     
     
       9. A system for control information processing and utilization in a wireless communications system that utilizes one or more flexible bandwidth carriers, the system comprising:
 means for receiving control information over a first channel of one of the one or more flexible bandwidth carriers; 
 means for decreasing a dilated processing time attributed to the received control information over the first channel to correspond to a required processing time, wherein the required processing time is less than the dilated processing time attributed to the received control information over the first channel; and 
 means for determining a first transmission time interval (TTI) of the first channel to use in response to the received control information over the first channel based at least in part on the decreased dilated processing time for the received control information over the first channel. 
 
     
     
       10. The system of  claim 9 , further comprising:
 means for receiving control information for a normal bandwidth carrier over a channel of the normal bandwidth carrier; and 
 means for utilizing the received control information for the normal bandwidth carrier during a first transmission time interval (TTI) of the channel of the normal bandwidth carrier, the first TTI of the channel of the normal bandwidth carrier being determined based at least in part on a processing time of the control information for the normal bandwidth carrier. 
 
     
     
       11. The system of  claim 9 , further comprising:
 means for receiving control information over a second channel of one of the one or more flexible bandwidth carriers; 
 means for decreasing a dilated processing time attributed to the received control information over the second channel; and 
 means for utilizing the received control information over the second channel during a first transmission time interval (TTI) of the second channel, the first TTI of the second channel being determined based at least in part on the decreased dilated processing time for the received control information over the second channel. 
 
     
     
       12. The system of  claim 9 , wherein the means for determining the first TTI of the first channel comprises means for determining at least a system frame number for applying the received control information based at least in part on a bandwidth scaling factor of the first channel. 
     
     
       13. The system of  claim 9 , wherein the required processing time equals a processing time of control information for a normal bandwidth carrier. 
     
     
       14. The system of  claim 9 , wherein the control information over the first channel comprises one or more grants. 
     
     
       15. The system of  claim 9 , wherein the first channel comprises at least an Enhanced Absolute Grant Channel (E-AGCH) or an Enhanced Relative Grant Channel (E-RGCH). 
     
     
       16. The system of  claim 9 , wherein the one of the one or more flexible bandwidth carriers of the first channel comprises a bandwidth scaling factor equal to 2 or 4. 
     
     
       17. A computer program product for control information processing and utilization in a wireless communications system that utilizes one or more flexible bandwidth carriers comprising:
 a non-transitory computer-readable medium comprising:
 code for receiving control information over a first channel of one of the one or more flexible bandwidth carriers; 
 code for decreasing a dilated processing time attributed to the received control information over the first channel to correspond to a required processing time, wherein the required processing time is less than the dilated processing time attributed to the received control information over the first channel; and 
 code for determining a first transmission time interval (TTI) of the first channel to use in response to the received control information over the first channel based at least in part on the decreased dilated processing time for the received control information over the first channel. 
 
 
     
     
       18. The computer program product of  claim 17 , wherein the non-transitory computer-readable medium further comprises:
 code for receiving control information for a normal bandwidth carrier over a channel of the normal bandwidth carrier; and 
 code for utilizing the received control information for the normal bandwidth carrier during a first transmission time interval (TTI) of the channel of the normal bandwidth carrier, the first TTI of the channel of the normal bandwidth carrier being determined based at least in part on a processing time of the control information for the normal bandwidth carrier. 
 
     
     
       19. The computer program product of  claim 17 , wherein the non-transitory computer-readable medium further comprises:
 code for receiving control information over a second channel of one of the one or more flexible bandwidth carriers; 
 code for decreasing a dilated processing time attributed to the received control information over the second channel; and 
 code for utilizing the received control information over the second channel during a first transmission time interval (TTI) of the second channel, the first TTI of the second channel being determined based at least in part on the decreased dilated processing time for the received control information over the second channel. 
 
     
     
       20. The computer program product of  claim 17 , wherein the code for determining the first TTI of the first channel comprises code for determining at least a system frame number for applying the received control information based at least in part on a bandwidth scaling factor of the first channel. 
     
     
       21. The computer program product of  claim 17 , wherein the required processing time equals a processing time of control information for a normal bandwidth carrier. 
     
     
       22. The computer program product of  claim 17 , wherein the control information over the first channel comprises one or more grants. 
     
     
       23. The computer program product of  claim 17 , wherein the first channel comprises at least an Enhanced Absolute Grant Channel (E-AGCH) or an Enhanced Relative Grant Channel (E-RGCH). 
     
     
       24. The computer program product of  claim 17 , wherein the one of the one or more flexible bandwidth carriers of the first channel comprises a bandwidth scaling factor equal to 2 or 4. 
     
     
       25. A wireless communications device configured for control information processing and utilization in a wireless communications system that utilizes one or more flexible bandwidth carriers comprising:
 at least one processor configured to:
 receive control information over a first channel of one of the one or more flexible bandwidth carriers; 
 decrease a dilated processing time attributed to the received control information over the first channel to correspond to a required processing time, wherein the required processing time is less than the dilated processing time attributed to the received control information over the first channel; and 
 determine a first transmission time interval (TTI) of the first channel to use in response to the received control information over the first channel based at least in part on the decreased dilated processing time for the received control information over the first channel. 
 
 
     
     
       26. The wireless communications device of  claim 25 , wherein the at least one processor is further configured to:
 receive control information for a normal bandwidth carrier over a channel of the normal bandwidth carrier; and 
 utilize the received control information for the normal bandwidth carrier during a first transmission time interval (TTI) of the channel of the normal bandwidth carrier, the first TTI of the channel of the normal bandwidth carrier being determined based at least in part on a processing time of the control information for the normal bandwidth carrier. 
 
     
     
       27. The wireless communications device of  claim 25 , wherein the at least one processor is further configured to:
 receive control information over a second channel of one of the one or more flexible bandwidth carriers; 
 decrease a dilated processing time attributed to the received control information over the second channel; and 
 utilize the received control information over the second channel during a first transmission time interval (TTI) of the second channel, the first TTI of the second channel being determined based at least in part on the decreased dilated processing time for the received control information over the second channel. 
 
     
     
       28. The wireless communications device of  claim 25 , wherein the at least one processor configured to determine the first TTI of the first channel is further configured to determine at least a system frame number for applying the received control information based at least in part on a bandwidth scaling factor of the first channel. 
     
     
       29. The wireless communications device of  claim 25 , wherein the required processing time equals a processing time of control information for a normal bandwidth carrier. 
     
     
       30. The wireless communications device of  claim 25 , wherein the control information over the first channel comprises one or more grants. 
     
     
       31. The wireless communications device of  claim 25 , wherein the first channel comprises at least an Enhanced Absolute Grant Channel (E-AGCH) or an Enhanced Relative Grant Channel (E-RGCH). 
     
     
       32. The wireless communications device of  claim 25 , wherein the one of the one or more flexible bandwidth carriers of the first channel comprises a bandwidth scaling factor equal to 2 or 4.