System and method for supporting concurrent deployment of multiple transmission time intervals for uplink transmissions by user equipment in a non-dedicated channel state

1. A method of wireless communication operable at a user equipment, the method comprising:

selecting a scrambling code adapted to indicate that the user equipment is capable of more than one resource assignment from among a plurality of available resource assignments;

selecting a preferred resource from at least a first preferred E-DCH resource comprising a 10 ms transmission time interval and a second preferred E-DCH resource comprising a 2 ms transmission time interval, the selecting the preferred resource comprising:

selecting, as the preferred resource, the first preferred E-DCH resource comprising the 10 ms transmission time interval if a function of an initial uplink transmit power utilized on a random access preamble transmission is greater than a power threshold; and

selecting, as the preferred resource, the second preferred E-DCH resource comprising the 2 ms transmission time interval if the function of the initial uplink transmit power utilized on the random access preamble transmission is not greater than the power threshold; and

transmitting data corresponding to an access attempt utilizing the selected scrambling code, wherein the data further indicates the selected preferred resource.

2. The method of claim 1 , wherein the transmitting of data corresponding to the access attempt comprises transmitting the data corresponding to the access attempt while in a non-DCH state.

3. The method of claim 2 , wherein the non-DCH state is a Cell_FACH state.

4. The method of claim 1 , wherein the transmitting of data corresponding to the access attempt further comprises utilizing a selected signature from among a plurality of signature sequences,

wherein the plurality of signature sequences is partitioned into a plurality of sets of signatures, each of the sets of signatures corresponding to a particular resource preference, such that a selection of the selected signature in a set of the plurality of sets of signatures is based on a preference of the particular resource corresponding to the selected set.

5. The method of claim 1 , wherein the preferred resource is selected from among the first preferred E-DCH resource comprising a 10 ms transmission time interval and the second preferred E-DCH resource comprising a 2 ms transmission time interval, and further from among a PRACH message, the method further comprising:

selecting as the preferred resource the PRACH message if an amount of data in a transmit buffer is less than a data threshold; and

selecting as the preferred resource the first preferred E-DCH resource comprising a 10 ms transmission time interval or the second preferred E-DCH resource comprising a 2 ms transmission time interval if the amount of data in the transmit buffer is not less than the data threshold.

6. The method of claim 1 , further comprising:

receiving a response to the access attempt, the response configured to grant the preferred resource, to over-ride the indication of the preferred resource and grant a non-preferred resource, or to deny the access attempt.

7. The method of claim 6 , wherein the response comprises an enhanced acquisition indicator (E-AI) adapted to indicate an allocated resource corresponding to one of the preferred resource or the non-preferred resource.

8. The method of claim 7 , wherein the response further comprises a first E-AI bit adapted to signal a resource index.

9. The method of claim 8 , wherein the response further comprises a second E-AI bit adapted to signal a transmission time interval assigned to the user equipment.

10. A user equipment configured for wireless communication, comprising:

at least one processor;

a memory operatively coupled to the at least one processor; and

a transmitter operatively coupled to the at least one processor,

wherein the at least one processor is configured to:

select a scrambling code adapted to indicate that the user equipment is capable of more than one resource assignment from among a plurality of available resource assignments; and

select a preferred resource from at least a first preferred E-DCH resource comprising a 10 ms transmission time interval and a second preferred E-DCH resource comprising a 2 ms transmission time interval, the at least one processor is further configured to:

select, as the preferred resource, the first preferred E-DCH resource comprising the 10 ms transmission time interval if a function of an initial uplink transmit power utilized on a random access preamble transmission is greater than a power threshold; and

select, as the preferred resource, the second preferred E-DCH resource comprising the 2 ms transmission time interval if the function of the initial uplink transmit power utilized on the random access preamble transmission is not greater than the power threshold; and

transmit data corresponding to an access attempt utilizing the selected scrambling code, wherein the data further indicates the selected preferred resource.

11. The user equipment of claim 10 , wherein the transmitting of data corresponding to the access attempt comprises transmitting the data corresponding to the access attempt while in a non-DCH state.

12. The user equipment of claim 11 , wherein the non-DCH state is a Cell_FACH state.

13. The method of claim 10 , wherein the transmitting of data corresponding to the access attempt further comprises utilizing a selected signature from among a plurality of signature sequences,

wherein the plurality of signature sequences is partitioned into a plurality of sets of signatures, each of the sets of signatures corresponding to a particular resource preference, such that a selection of the selected signature in a set of the plurality of sets of signatures is based on a preference of the particular resource corresponding to the selected set.

14. The user equipment of claim 10 , wherein the preferred resource is selected from among the first preferred E-DCH resource comprising a 10 ms transmission time interval and the second preferred E-DCH resource comprising a 2 ms transmission time interval, and further from among a PRACH message,

wherein the at least one processor is further configured to:

select as the preferred resource the PRACH message if an amount of data in a transmit buffer is less than a data threshold; and

select as the preferred resource the first preferred E-DCH resource comprising a 10 ms transmission time interval or the second preferred E-DCH resource comprising a 2 ms transmission time interval if the amount of data in the transmit buffer is not less than the data threshold.

15. The user equipment of claim 10 , further comprising a receiver operatively coupled to the at least one processor, wherein the at least one processor is further configured to:

receive a response to the access attempt, the response configured to grant the preferred resource, to over-ride the indication of the preferred resource and grant a non-preferred resource, or to deny the access attempt.

16. The user equipment of claim 15 , wherein the response comprises an enhanced acquisition indicator (E-AI) adapted to indicate an allocated resource corresponding to one of the preferred resource or the non-preferred resource.

17. The user equipment of claim 16 , wherein the response further comprises a first E-AI bit adapted to signal a resource index.

18. The user equipment of claim 17 , wherein the response further comprises a second E-AI bit adapted to signal a transmission time interval assigned to the user equipment.

19. A user equipment configured for wireless communication, comprising:

means for selecting a scrambling code adapted to indicate that the user equipment is capable of more than one resource assignment from among a plurality of available resource assignments;

means for selecting a preferred resource from at least a first preferred E-DCH resource comprising a 10 ms transmission time interval and a second preferred E-DCH resource comprising a 2 ms transmission time interval, the means for selecting the preferred resource comprising:

means for selecting, as the preferred resource, the first preferred E-DCH resource comprising the 10 ms transmission time interval if a function of an initial uplink transmit power utilized on a random access preamble transmission is greater than a power threshold; and

means for selecting, as the preferred resource, the second preferred E-DCH resource comprising the 2 ms transmission time interval if the function of the initial uplink transmit power utilized on the random access preamble transmission is not greater than the power threshold; and

means for transmitting data corresponding to an access attempt utilizing the selected scrambling code, wherein the data further indicates the selected preferred resource.

20. A computer program product operable at a user equipment, comprising:

a non-transitory computer-readable storage medium comprising:

instructions for causing a computer to select a scrambling code adapted to indicate that the user equipment is capable of more than one resource assignment from among a plurality of available resource assignments;

instructions for causing a computer to select a preferred resource from at least a first preferred E-DCH resource comprising a 10 ms transmission time interval and a second preferred E-DCH resource comprising a 2 ms transmission time interval, the instructions for causing a computer to select the preferred resource comprising:

instructions for causing a computer to select, as the preferred resource, the first preferred E-DCH resource comprising the 10 ms transmission time interval if a function of an initial uplink transmit power utilized on a random access preamble transmission is greater than a power threshold; and

instructions for causing a computer to select, as the preferred resource, the second preferred E-DCH resource comprising the 2 ms transmission time interval if the function of the initial transmit power utilized on the random access preamble transmission is not greater than the power threshold; and

instructions for causing a computer to transmit data corresponding to an access attempt utilizing the selected scrambling code, the data configured to indicate the selected preferred resource.