1. A method for providing an uplink packet data service in an asynchronous Wideband Code Division Multiple Access (WCDMA) system, the method comprising: determining a Transport Block Size (TBS) for transmission of uplink transport channel data; determining a combination of a Modulation Format (MF) and a Spreading Factor (SF) corresponding to the transport block size determined for transmission of the uplink transport channel data, based on transmittable physical channel data bit sizes and a plurality of preset Puncturing Limit (PL) values; and transmitting the transport block size by incorporating the transport block size into control information of the uplink transport channel data.

2. The method according to claim 1, wherein the combination of the modulation format and the spreading factor is determined based on a physical channel data bit size that allows use of a modulation format maximizing transmission efficiency, minimizes the number of bits to be punctured, and requires no additional physical channel in transmitting the uplink data having the transport block size.

3. The method according to claim 1, wherein the plurality of puncturing limit values are preset respectively for a plurality of modulation formats usable for transmission of the uplink transport channel data.

4. The method according to claim 3, wherein if a maximum physical channel data bit size for Binary Phase Shift Keying (BPSK) is larger than or equal to a transport channel data bit size punctured to the maximum extent according to a puncturing limit for the BPSK, the modulation format corresponding to the transport block size is determined to be the BPSK, and the spreading factor corresponding to the transport block size is determined to be a spreading factor corresponding to a minimum physical channel data bit size, which is larger than or equal to a non-punctured transport channel data bit size, of the transmittable physical channel data bit sizes.

5. The method according to claim 4, wherein if all of the transmittable physical channel data bit sizes are smaller than the non-punctured transport channel data bit size, the spreading factor corresponding to the transport block size is determined to be a spreading factor corresponding to a minimum physical channel data bit size of the transmittable physical channel data bit sizes.

6. The method according to claim 4, wherein if the maximum physical channel data bit size for the BPSK is smaller than the transport channel data bit size punctured to the maximum extent according to the puncturing limit for the BPSK, and is larger than or equal to a transport channel data bit size punctured to the maximum extent according to a puncturing limit for Quadrature PSK (QPSK), the modulation format corresponding to the transport block size is determined to be the QPSK, and the spreading factor corresponding to the transport block size is determined to be a spreading factor corresponding to a minimum physical channel data bit size of the transmittable physical channel data bit sizes. 7. The method according to claim 6, wherein if a maximum physical channel data bit size when the QPSK is used is smaller than the transport channel data bit size punctured to the maximum extent according to the puncturing limit for the QPSK, the modulation format corresponding to the transport block size is determined to be 8-PSK, and the spreading factor corresponding to the transport block size is determined to be a spreading factor corresponding to a minimum physical channel data bit size of the transmittable physical channel data bit sizes.

8. The method according to claim 1, wherein when only one modulation format is used for transmission of the uplink data, if at least one first physical channel data bit size, which is larger than or equal to a non-punctured transport channel data bit size and requires only one physical channel, is present, the spreading factor corresponding to the transport block size is determined to be a spreading factor corresponding to a minimum value of the at least one first physical channel data bit size.

9. The method according to claim 8, wherein if the at least one first physical channel data bit size is not present, and if at least one second physical channel data bit size, which is larger than or equal to a transport channel data bit

size punctured according to a first preset puncturing limit, is present, the spreading factor corresponding to the transport block size is determined to be a spreading factor corresponding to a minimum second physical channel data bit size, which requires no additional physical channel, of the at least one second physical channel data bit size

10. The method according to claim 9, wherein if the at least one second physical channel data bit size is not present, and if at least one third physical channel data bit size, which is larger than or equal to a transport channel data bit size punctured according to a second preset puncturing limit larger than the first puncturing limit, is present, the spreading factor corresponding to the transport block size is determined to be a spreading factor corresponding to a minimum third physical channel data bit size of the at least one third physical channel data bit size

11. An apparatus for providing an uplink packet data service in an asynchronous Wideband Code Division Multiple Access (WCDMA) system, the apparatus comprising: a higher layer processor for determining a Transport Block Size (TBS) for transmission of uplink transport channel data; a determinator for determining a combination of a Modulation Format (MF) and a Spreading Factor (SF) corresponding to the transport block size determined for transmission of the uplink transport channel data, based on transmittable physical channel data bit sizes and a plurality of preset Puncturing', 'Limit (PL) values; and a transmitter for transmitting the transport block size by incorporating the transport block size into control information of the uplink transport channel data

12. The apparatus according to claim 11, wherein the combination of the modulation format and the spreading factor is determined based on a physical channel data bit size that allows use of a modulation format maximizing transmission efficiency, minimizes the number of bits to be punctured, and requires no additional physical channel in transmitting the uplink data having the transport block size

13. The apparatus according to claim 11, wherein the plurality of puncturing limit values are preset respectively for a plurality of modulation formats usable for transmission of the uplink transport channel data

14. The apparatus according to claim 13, wherein if a maximum physical channel data bit size for Binary Phase Shift Keying (BPSK) is larger than or equal to a transport channel data bit size punctured to the maximum extent according to a puncturing limit for the BPSK, the modulation format corresponding to the transport block size is determined to be the BPSK, and the spreading factor corresponding to the transport block size is determined to be a spreading factor corresponding to a minimum physical channel data bit size, which is larger than or equal to a non-punctured transport channel data bit size, of the transmittable physical channel data bit sizes

15. The apparatus according to claim 14, wherein if all of the transmittable physical channel data bit sizes are smaller than the non-punctured transport channel data bit size, the spreading factor corresponding to the transport block size is determined to be a spreading factor corresponding to a minimum physical channel data bit size of the transmittable physical channel data bit sizes

16. The apparatus according to claim 14, wherein if the maximum physical channel data bit size for the BPSK is smaller than the transport channel data bit size punctured to the maximum extent according to the puncturing limit for the BPSK, and is larger than or equal to a transport channel data bit size punctured to the maximum extent according to a puncturing limit for Quadrature PSK (QPSK), the modulation format corresponding to the transport block size is determined to be the QPSK, and the spreading factor corresponding to the transport block size is determined to be a spreading factor corresponding to a minimum physical channel data bit size of the transmittable physical channel data bit sizes.17. The apparatus according to claim 16, wherein if a maximum physical channel data bit size when the QPSK is used is smaller than the transport channel data bit size punctured to the maximum extent according to the puncturing limit for the QPSK, the modulation format corresponding to the transport block size is determined to be 8-PSK, and the spreading factor corresponding to the transport

block size is determined to be a spreading factor corresponding to a minimum physical channel data bit size of the transmittable physical channel data bit sizes.', '. 18. The apparatus according to claim 11, wherein when only one modulation format is used for transmission of the uplink data, if at least one first physical channel data bit size, which is larger than or equal to a non-punctured transport channel data bit size and requires only one physical channel, is present, the spreading factor corresponding to the transport block size is determined to be a spreading factor corresponding to a minimum value of the at least one first physical channel data bit size. 19. The apparatus according to claim 18, wherein if the at least one first physical channel data bit size is not present, and if at least one second physical channel data bit size, which is larger than or equal to a transport channel data bit size punctured according to a first preset puncturing limit, is present, the spreading factor corresponding to the transport block size is determined to be a spreading factor corresponding to a minimum second physical channel data bit size, which requires no additional physical channel, of the at least one second physical channel data bit size.

20. The apparatus according to claim 19, wherein if the at least one second physical channel data bit size is not present, and if at least one third physical channel data bit size, which is larger than or equal to a transport channel data bit size punctured according to a second preset puncturing limit larger than the first puncturing limit, is present, the spreading factor corresponding to the transport block size is determined to be a spreading factor corresponding to a minimum third physical channel data bit size of the at least one third physical channel data bit size.

21. A method for providing an uplink packet data service in an asynchronous Wideband Code Division Multiple Access (WCDMA) system, the method comprising: receiving control information including a Transport Block Size (TBS) for reception of uplink transport channel data; determining a combination of a Modulation Format (MF) and a Spreading

Factor (SF) corresponding to the transport block size, based on transmittable physical channel data bit sizes and a plurality of preset Puncturing Limit (PL) values; and receiving the uplink transport channel data using the modulation format and the spreading factor.

22. The method according to claim 21, wherein the combination of the modulation format and the spreading factor is determined based on a physical channel data bit size that allows use of a modulation format maximizing transmission efficiency, minimizes the number of bits to be punctured, and requires no additional physical channel in transmitting the uplink data having the transport block size.

23. The method according to claim 21, wherein the plurality of puncturing limit values are preset respectively for a plurality of modulation formats usable for transmission of the uplink transport channel data. 24. The method according to claim 23, wherein if a maximum physical channel data bit size for Binary Phase Shift Keying (BPSK) is larger than or equal to a transport channel data bit size punctured to the maximum extent according to a puncturing limit for the BPSK, the modulation format corresponding to the transport block size is determined to be the BPSK, and the spreading factor corresponding to the transport block size is determined to be a spreading factor corresponding to a minimum physical channel data bit size, which is larger than or equal to a non-punctured transport channel data bit size, of the transmittable physical channel data bit sizes.

25. The method according to claim 24, wherein if all of the transmittable physical channel data bit sizes are smaller than the non-punctured transport channel data bit size, the spreading factor corresponding to the transport block size is determined to be a spreading factor corresponding to a minimum physical channel data bit size of the transmittable physical channel data bit sizes.

26. The method according to claim 24, wherein if the maximum physical channel data bit size for the BPSK is smaller than the transport channel data bit

size punctured to the maximum extent according to the puncturing limit for the BPSK, and is larger than or equal to a transport channel data bit size punctured to the maximum extent according to a puncturing limit for Quadrature PSK (QPSK), the modulation format corresponding to the transport block size is determined to be the QPSK, and the spreading factor corresponding to the transport block size is determined to be a spreading factor corresponding to a minimum physical channel data bit size of the transmittable physical channel data bit sizes.

27. The method according to claim 26, wherein if a maximum physical channel data bit size when the QPSK is used is smaller than the transport channel data bit size punctured to the maximum extent according to the puncturing limit for the QPSK, the modulation format corresponding to the transport block size is determined to be 8-PSK, and the spreading factor corresponding to the transport block size is determined to be a spreading factor corresponding to a minimum physical channel data bit size of the transmittable physical channel data bit sizes. 28. The method according to claim 21, wherein when only one modulation format is used for transmission of the uplink data, if at least one first physical channel data bit size, which is larger than or equal to a non-punctured transport channel data bit size and requires only one physical channel, is present, the spreading factor corresponding to the transport block size is determined to be a spreading factor corresponding to a minimum value of the at least one first physical channel data bit size.

29. The method according to claim 28, wherein if the at least one first physical channel data bit size is not present, and if at least one second physical channel data bit size, which is larger than or equal to a transport channel data bit size punctured according to a first preset puncturing limit, is present, the spreading factor corresponding to the transport block size is determined to be a spreading factor corresponding to a minimum second physical channel data bit size, which requires no additional physical channel, of the at least one second physical channel data bit size. 30. The method according to claim 29, wherein if the at least one second physical channel data bit size is not present, and if at least one third physical

channel data bit size, which is larger than or equal to a transport channel data bit size punctured according to a second preset puncturing limit larger than the first puncturing limit, is present, the spreading factor corresponding to the transport block size is determined to be a spreading factor corresponding to a minimum third physical channel data bit size of the at least one third physical channel data bit size.

31. An apparatus for providing an uplink packet data service in an asynchronous Wideband Code Division Multiple Access (WCDMA) system, the apparatus comprising: a control channel receiver for receiving control information including a', 'Transport Block Size (TBS) for reception of uplink transport channel data; a determinator for determining a combination of a Modulation Format (MF) and a Spreading Factor (SF) corresponding to the transport block size, based on transmittable physical channel data bit sizes and a plurality of preset Puncturing Limit (PL) values; and a receiver for receiving the uplink transport channel data using the modulation format and the spreading factor.

32. The apparatus according to claim 31, wherein the combination of the modulation format and the spreading factor is determined based on a physical channel data bit size that allows use of a modulation format maximizing transmission efficiency, minimizes the number of bits to be punctured, and requires no additional physical channel in transmitting the uplink data having the transport block size.

33. The apparatus according to claim 31, wherein the plurality of puncturing limit values are preset respectively for a plurality of modulation formats usable for transmission of the uplink transport channel data.

34. The apparatus according to claim 33, wherein if a maximum physical channel data bit size for Binary Phase Shift Keying (BPSK) is larger than or equal to a transport channel data bit size punctured to the maximum extent according to a puncturing limit for the BPSK, the modulation format corresponding to the transport block size is determined to be the BPSK, and the spreading factor

corresponding to the transport block size is determined to be a spreading factor corresponding to a minimum physical channel data bit size, which is larger than or equal to a non-punctured transport channel data bit size, of the transmittable physical channel data bit sizes. 35. The apparatus according to claim 34, wherein if all of the transmittable physical channel data bit sizes are smaller than the non-punctured transport channel data bit size, the spreading factor corresponding to the transport block size is determined to be a spreading factor corresponding to a minimum physical channel data bit size of the transmittable physical channel data bit sizes. 36. The apparatus according to claim 34, wherein if the maximum physical channel data bit size for the BPSK is smaller than the transport channel data bit size punctured to the maximum extent according to the puncturing limit for the BPSK, and is larger than or equal to a transport channel data bit size punctured to the maximum extent according to a puncturing limit for Quadrature PSK (QPSK), the modulation format corresponding to the transport block size is determined to be the QPSK, and the spreading factor corresponding to the transport block size is determined to be a spreading factor corresponding to a minimum physical channel data bit size of the transmittable physical channel data bit sizes.

37. The apparatus according to claim 36, wherein if a maximum physical channel data bit size when the QPSK is used is smaller than the transport channel data bit size punctured to the maximum extent according to the puncturing limit for the QPSK, the modulation format corresponding to the transport block size is determined to be 8-PSK, and the spreading factor corresponding to the transport block size is determined to be a spreading factor corresponding to a minimum physical channel data bit size of the transmittable physical channel data bit sizes.

38. The apparatus according to claim 31, wherein when only one modulation format is used for transmission of the uplink data, if at least one first physical channel data bit size, which is larger than or equal to a non-punctured transport channel data bit size and requires only one physical channel, is present, the spreading factor corresponding to the transport block size is determined to be a spreading factor corresponding to a minimum value of the at least one first

physical channel data bit size.

39. The apparatus according to claim 38, wherein if the at least one first physical channel data bit size is not present, and if at least one second physical channel data bit size, which is larger than or equal to a transport channel data bit size punctured according to a first preset puncturing limit, is present, the spreading factor corresponding to the transport block size is determined to be a spreading factor corresponding to a minimum second physical channel data bit size, which requires no additional physical channel, of the at least one second physical channel data bit size. 40. The apparatus according to claim 39, wherein if the at least one second physical channel data bit size is not present, and if at least one third physical channel data bit size, which is larger than or equal to a transport channel data bit size punctured according to a second preset puncturing limit larger than the first puncturing limit, is present, the spreading factor corresponding to the transport block size is determined to be a spreading factor corresponding to a minimum third physical channel data bit size of the at least one third physical channel data bit size.']