1. A method for transmitting in a cellular network, comprising:
receiving information by a user equipment (UE) within a given cell that designates a particular access slot as either a high-speed access slot or a low-speed access slot;
transmitting a signal from the UE to a NodeB using a selected structure, such that a baseline structure is transmitted only in the designated low-speed access slot and that a alternate structure is transmitted only in the designated high-speed access slot; and
selecting either the baseline structure or the alternate structure if a relative speed is less than a threshold value or only the alternate structure if the relative speed exceeds the threshold value.', 'receiving information by a user equipment (UE) within a given cell that designates a particular access slot as either a high-speed access slot or a low-speed access slot;', 'transmitting a signal from the UE to a NodeB using a selected structure, such that a baseline structure is transmitted only in the designated low-speed access slot and that a alternate structure is transmitted only in the designated high-speed access slot; and', 'selecting either the baseline structure or the alternate structure if a relative speed is less than a threshold value or only the alternate structure if the relative speed exceeds the threshold value.

2. The method of claim 1 where both the baseline structure and the alternate structure each comprise a preamble.

3. The method of claim 2, wherein a baseline preamble structure defines a single preamble sequence that is a cyclic shifted constant amplitude zero autocorrelation sequence and a alternate preamble structure defines a preamble sequence that is a shortened version of the cyclic shifted constant amplitude zero autocorrelation sequence that is repeated one or more times.

4. The method of claim 2, wherein a plurality of slots are for non-synchronized random access (RA) requests and a different plurality of slots are for scheduling requests (SR).

5. The method of claim 1, further comprising receiving a command from the NodeB that authorizes the UE to use a alternate preamble structure, wherein the alternate preamble structure is not selected if not authorized.

6. The method of claim 1, further comprising:
determining a relative speed of the UE to a serving base station within the cell.', 'determining a relative speed of the UE to a serving base station within the cell.

7. The method of claim 6, wherein the UE determines the relative speed based on correlation measurements performed on a downlink (DL) pilot broadcast by the NodeB.

8. The method of claim 7, further comprising:
receiving a selected preamble structure at the NodeB;
performing two accumulation schemes in parallel on a received preamble structure during a high-speed request slot, wherein the first accumulation scheme performs one coherent accumulation of power delay profiles over a total preamble duration, and wherein the second accumulation sequence performs non-coherent accumulation of power delay profiles resulting from each repeated preamble sequence; and
recovering a transmitted preamble sequence from one of the two accumulation schemes if a sample position in either accumulation power delay profile exceeds a detection threshold.', 'receiving a selected preamble structure at the NodeB;', 'performing two accumulation schemes in parallel on a received preamble structure during a high-speed request slot, wherein the first accumulation scheme performs one coherent accumulation of power delay profiles over a total preamble duration, and wherein the second accumulation sequence performs non-coherent accumulation of power delay profiles resulting from each repeated preamble sequence; and', 'recovering a transmitted preamble sequence from one of the two accumulation schemes if a sample position in either accumulation power delay profile exceeds a detection threshold.

9. The method of claim 6, wherein transmitting by the UE is permitted in both the high-speed access slot and in the low-speed access slot if the relative speed is less than the threshold value; and
wherein transmitting by the UE is permitted only in the high-speed access slot if the relative speed exceeds the threshold value.', 'wherein transmitting by the UE is permitted only in the high-speed access slot if the relative speed exceeds the threshold value

10. A user equipment (UE) for use in a cellular network, comprising:
means for receiving information by the user equipment within a given cell that designates a particular access slot as either a high-speed access slot and or a low-speed access slot;
means for selecting either a baseline structure or an alternate structure;
means for transmitting a signal from the UE to a NodeB using the selected structure, such that the baseline structure is transmitted only in the designated low-speed access slot and that the alternate structure is transmitted only in the designated high-speed access slot; and
means for selecting either the baseline structure or the alternate structure if a relative speed is less than a threshold value or only the alternate structure if the relative speed exceeds the threshold value.', 'means for receiving information by the user equipment within a given cell that designates a particular access slot as either a high-speed access slot and or a low-speed access slot;', 'means for selecting either a baseline structure or an alternate structure;', 'means for transmitting a signal from the UE to a NodeB using the selected structure, such that the baseline structure is transmitted only in the designated low-speed access slot and that the alternate structure is transmitted only in the designated high-speed access slot; and', 'means for selecting either the baseline structure or the alternate structure if a relative speed is less than a threshold value or only the alternate structure if the relative speed exceeds the threshold value

11. The UE of claim 10 where both baseline and alternate structures each comprise a preamble

12. The UE of claim 10, further comprising means for determining a relative speed of the UE to a serving base station within the cell

13. The UE of claim 12, further comprising means for permitting transmission in both the high-speed access slot and in the low-speed access slot if the relative speed is less than the threshold value; and
means for permitting transmission by the UE only in the high-speed access slot if the relative speed exceeds the threshold value.', 'means for permitting transmission by the UE only in the high-speed access slot if the relative speed exceeds the threshold value

14. A cellular telephone for use in a cellular network, comprising:
a receiver connected to an antenna operable to receive information within a given cell that designates a particular access slot as either a high-speed access slot or a low-speed access slot;
a processor connected to a storage memory holding instructions for execution by the processor and connected to obtain signals from the receiver, wherein the processor is operable to select either a baseline structure or an alternate structure, wherein the processor determines a relative speed based on correlation measurements performed on a downlink (DL) pilot broadcast to the receiver by a NodeB; and
a transmitter connected to the processor operable to transmit a signal from the cellular telephone to a NodeB using the selected structure, such that the baseline structure is transmitted only in the designated low-speed access slot and that the alternate structure is transmitted only in the designated high-speed access slot; and wherein the processor is operable to determine a relative speed of the UE to a serving base station within the cell; and wherein the processor is operable to select either a baseline structure or an alternate structure if the relative speed is less than a threshold value or only an alternate structure if the relative speed exceeds the threshold value.', 'a receiver connected to an antenna operable to receive information within a given cell that designates a particular access slot as either a high-speed access slot or a low-speed access slot;', 'a processor connected to a storage memory holding instructions for execution by the processor and connected to obtain signals from the receiver, wherein the processor is operable to select either a baseline structure or an alternate structure, wherein the processor determines a relative speed based on correlation measurements performed on a downlink (DL) pilot broadcast to the receiver by a NodeB; and', 'a transmitter connected to the processor operable to transmit a signal from the cellular telephone to a NodeB using the selected structure, such that the baseline structure is transmitted only in the designated low-speed access slot and that the alternate structure is transmitted only in the designated high-speed access slot; and wherein the processor is operable to determine a relative speed of the UE to a serving base station within the cell; and wherein the processor is operable to select either a baseline structure or an alternate structure if the relative speed is less than a threshold value or only an alternate structure if the relative speed exceeds the threshold value.15. The cellular telephone of claim 14 where both baseline and alternate structures each comprise a preamble.16. The cellular telephone of claim 15, wherein the processor is further operable to form the baseline preamble structure that is a single preamble sequence by selecting a constant amplitude zero autocorrelation sequence and then cyclic shifting the constant amplitude zero autocorrelation sequence a determined amount and further operable to form an alternate preamble structure by selecting a shortened constant amplitude zero autocorrelation sequence, cyclic shifting the shortened constant amplitude zero autocorrelation sequence and then repeating the cyclic shifted shortened constant amplitude zero autocorrelation sequence one or more times.17. A method for transmitting in a cellular network, comprising:
transmitting information to UE within a given cell that designates a particular access slot as either a high-speed access slot or a low-speed access slot;
receiving a signal at a serving base station of the given cell from the UE using a selected structure, such that a baseline structure is received only in the designated low-speed access slot and that an alternate structure is received only in the designated high-speed access slot; and
selecting either the baseline structure or the alternate structure if a relative speed is less than a threshold value or only the alternate structure if the relative speed exceeds the threshold value.', 'transmitting information to UE within a given cell that designates a particular access slot as either a high-speed access slot or a low-speed access slot;', 'receiving a signal at a serving base station of the given cell from the UE using a selected structure, such that a baseline structure is received only in the designated low-speed access slot and that an alternate structure is received only in the designated high-speed access slot; and', 'selecting either the baseline structure or the alternate structure if a relative speed is less than a threshold value or only the alternate structure if the relative speed exceeds the threshold value.18. The method of claim 17 wherein all access slots for a given NodeB are designated as either low-speed access slots or high-speed access slots.19. The method of claim 17, wherein both the baseline structure and the alternate structure each comprise a preamble.

20. The method of claim 19 wherein a baseline preamble structure defines a single preamble sequence that is a cyclic shifted constant amplitude zero autocorrelation sequence and an alternate preamble structure defines a preamble sequence that is a shortened version of the cyclic shifted constant amplitude zero autocorrelation sequence that is repeated one or more times.

21. The method of claim 19, further comprising:
performing two accumulation schemes in parallel on a received preamble structure during a high-speed slot, wherein the first accumulation scheme performs one coherent accumulation of power delay profiles over a total preamble duration, and wherein the second accumulation sequence performs non-coherent accumulation of power delay profiles resulting from each repeated preamble sequence; and
recovering a transmitted preamble sequence from one of the two accumulation schemes if a sample position in either accumulation power delay profile exceeds a detection threshold.', 'performing two accumulation schemes in parallel on a received preamble structure during a high-speed slot, wherein the first accumulation scheme performs one coherent accumulation of power delay profiles over a total preamble duration, and wherein the second accumulation sequence performs non-coherent accumulation of power delay profiles resulting from each repeated preamble sequence; and', 'recovering a transmitted preamble sequence from one of the two accumulation schemes if a sample position in either accumulation power delay profile exceeds a detection threshold.

22. The method of claim 17 wherein a plurality of slots are for non-synchronized random access (RA) requests and a different plurality of slots are for scheduling requests (SR).

23. The method of claim 17, further comprising:
determining if the given cell will support high-speed UE based on geographical constraints of the cell;
compiling a database to retain the determination relating to the cell support of high-speed UE for each cell in a portion of the cellular network; and
transmitting the determination relating to the cell support of high-speed UE for each given cell to a NodeB that serves the given cell.', 'determining if the given cell will support high-speed UE based on geographical constraints of the cell;', 'compiling a database to retain the determination relating to the cell support of high-speed UE for each cell in a portion of the cellular network; and', 'transmitting the determination relating to the cell support of high-speed UE for each given cell to a NodeB that serves the given cell.']