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According to the present invention, there is proposed a method of adding/detecting an adaptive and extendable segment index for re-segmentation and an apparatus thereof. According to the present invention, the method of adding a segment index comprising steps of determining whether a re-segmentation

According to the present invention, there is proposed a method of adding/detecting an adaptive and extendable segment index for re-segmentation and an apparatus thereof. According to the present invention, the method of adding a segment index comprising steps of determining whether a re-segmentation happens; looking for in a re-segmentation header of a current block a bit indicating the end of the re-segmentation header and the start of other information if it is determined a re-segmentation happens; and inserting two bits immediately before the bit indicating the end of the re-segmentation header and the start of other information, a first bit indicating a higher level re-segmentation has happened, and a second bit indicating one part generated in this re-segmentation.

대표청구항 ▼

1. A method of adding a segment index for re- segmentation, comprising: determining, by a determining unit, whether a re-segmentation happens;looking, by the determining unit, in a re-segmentation header of a current block, for a bit indicating the end of the re-segmentation header and the start of

1. A method of adding a segment index for re- segmentation, comprising: determining, by a determining unit, whether a re-segmentation happens;looking, by the determining unit, in a re-segmentation header of a current block, for a bit indicating the end of the re-segmentation header and the start of other information if it is determined a re-segmentation happens; andinserting, by an inserting unit, two bits immediately before the bit indicating the end of the re-segmentation header and the start of other information, a first bit indicating a higher level re-segmentation has happened, and a second bit indicating one part generated in this re-segmentation. 2. The method of adding a segment index for re-segmentation according to claim 1, further comprising: outputting the block with the two bits having been inserted in the re-segmentation header. 3. The method of adding a segment index for re-segmentation according to claim 1, further comprising: remaining the re-segmentation header unchanged when it is determined no re-segmentation happens. 4. The method of adding a segment index for re-segmentation according to claim 1, wherein the bit indicating the end of the re-segmentation header and the start of other information has a value opposite to the added first bit. 5. The method of adding a segment index for re-segmentation according to claim 4, wherein the bit indicating the end of the re-segmentation header and the start of other information indicates that no re-segmentation happens in a Protocol Data Unit (PDU) that is not segmented. 6. The method of adding a segment index for re-segmentation according to claim 4, wherein the bit indicating the end of the re-segmentation header and the start of other information is a Re-segmentation Indicator (RI) in a Protocol Data Unit (PDU) that is not segmented; and the first bit in the re-segmentation header is the RI in a PDU that is segmented. 7. The method of adding a segment index for re-segmentation according to claim 1, wherein the current block is re-segmented into two parts in each time of re-segmentation, and the first part is transmitted in the current Transmission Time Interval (TTI) and the second part is buffered for a next transmission chance. 8. The method of adding a segment index for re-segmentation according to claim 1, wherein the re-segmentation is a re-segmentation for a Radio Link Controller-Protocol Data Unit (RLC-PDU). 9. An apparatus for adding a segment index for re-segmentation, comprising: an input unit for receiving an original block and a re-segmentation instruction from exterior;a determination unit for determining whether a re-segmentation happens according to the information transmitted from the input unit, and looking for in the re-segmentation header of a current block a bit indicating the end of the re-segmentation header and the start of other information if it is determined a re-segmentation happens; andan insertion unit for inserting two bits immediately before the bit indicating the end of the re-segmentation header and the start of other information, a first bit indicating a higher level re-segmentation happens, and a second bit indicating one part generated in this re-segmentation. 10. The apparatus for adding a segment index for re-segmentation according to claim 9, further comprising: an output unit for outputting the block with the two bits having been inserted in the re-segmentation header. 11. The apparatus for adding a segment index for re-segmentation according to claim 9, wherein the determination unit determines to remain the re-segmentation header unchanged when it is determined no re-segmentation happens. 12. The apparatus for adding a segment index for re-segmentation according to claim 9, wherein the bit indicating the end of the re-segmentation header and the start of other information has a value opposite to the added first bit. 13. The apparatus for adding a segment index for re-segmentation according to claim 12, wherein the bit indicating the end of the re-segmentation header and the start of other information indicates that no re-segmentation happens in a Protocol Data Unit (PDU) that is not segmented. 14. The apparatus for adding a segment index for re-segmentation according to claim 12, wherein the bit indicating the end of the re-segmentation header and the start of other information is a Re-segmentation Indicator (RI) in a Protocol Data Unit (PDU) that is not segmented; and the first bit in the re-segmentation header is the RI in a PDU that is segmented. 15. The apparatus for adding a segment index for re-segmentation according to claim 9, wherein the original block is re-segmented into two parts in each time of re-segmentation, and the first part is transmitted in the current Transmission Time Interval (TTI) and the second part is buffered for a next transmission chance. 16. The apparatus for adding a segment index for re-segmentation according to claim 9, wherein the re-segmentation is a re-segmentation for a Radio Link Controller-Protocol Data Unit (RLC-PDU). 17. The apparatus according to claim 9 implemented in a base station. 18. The apparatus according to claim 9 implemented in a mobile station. 19. A method of detecting a segment index for re-segmentation, comprising: determining in a re-segmentation header of a current block a bit indicating the end of the re-segmentation header and the start of other information; andstoring the re-segmentation header from the first bit of the re-segmentation header to the determined bit indicating the end of the re-segmentation header and the start of other information;outputting the stored re-segmentation header;wherein determining in a re-segmentation header of a current block a bit indicating the end of the re-segmentation header and the start of other information includes testing whether a current bit is the bit indicating the end of the re-segmentation header and the start of other information for every second bit beginning with the first bit of the re-segmentation header of the current block until the bit indicating the end of the re-segmentation header and the start of other information is identified;storing the current bit and a following bit when the testing determines that the current bit is not the bit indicating the end of the re-segmentation header and the start of other information; andstoring the current bit and sequentially outputting all the stored bits as a stored re-segmentation header when the testing determines that the current bit is the bit indicating the end of the re-segmentation header and the start of other information. 20. The method of detecting a segment index for re-segmentation according to claim 19, wherein the re-segmentation is a re-segmentation for a Radio Link Controller-Protocol Data Unit (RLC-PDU). 21. A method of detecting a segment index for re-segmentation, comprising: determining in a re-segmentation header of a current block a bit indicating the end of the re-segmentation header and the start of other information; andstoring the re-segmentation header from the first bit of the re-segmentation header to the determined bit indicating the end of the re-segmentation header and the start of other information, wherein the bit indicating the end of the re-segmentation header and the start of other information has a value opposite to a bit indicating whether a re-segmentation happens. 22. The method of detecting a segment index for re-segmentation according to claim 21, wherein the bit indicating the end of the re-segmentation header and the start of other information indicates that no re-segmentation happens in a Protocol Data Unit (PDU) that is not segmented. 23. The method of detecting a segment index for re-segmentation according to claim 21, wherein the bit indicating the end of the re-segmentation header and the start of other information is a Re-segmentation Indicator (RI) in a Protocol Data Unit (PDU) that is not segmented; and the first bit in the re-segmentation header is the RI in a PDU that is segmented. 24. An apparatus for detecting a segment index for re-segmentation, comprising: an input unit for receiving an original block;a determination unit for determining in a re-segmentation header of the current block a bit indicating the end of the re-segmentation header and the start of other information, according to information transmitted from the input unit; anda storing unit for storing the re-segmentation header from the first bit of the re-segmentation header to the determined bit indicating the end of the re-segmentation header and the start of other informationan output unit for outputting the stored re-segmentation header, whereinthe determination unit test whether a current bit is the bit indicating the end of the re-segmentation header and the start of other information for every second bit, beginning with the first bit of the re-segmentation header of the current block, until the bit indicating the end of the re-segmentation header and the start of other information is identified;the storing unit stores the current bit and a following bit when the determination unit determines that the current bit is not the bit indicating the end of the re-segmentation header and the start of other information; andthe storing unit stores the current bit and the output unit sequentially outputs all the stored bits as a stored re-segmentation header when it is determined that the current bit is the bit indicating the end of the re-segmentation header and the start of other information. 25. The apparatus for detecting a segment index for re-segmentation according to claim 24, wherein the re-segmentation is a re-segmentation for a Radio Link Controller-Protocol Data Unit (RLC-PDU). 26. The apparatus according to claim 24 implemented in a base station. 27. The apparatus according to claim 24 implemented in a mobile station. 28. An apparatus for detecting a segment index for re-segmentation comprising: an input unit for receiving an original block;a determination unit for determining in a re-segmentation header of the current block a bit indicating the end of the re-segmentation header and the start of other information, according to information transmitted from the input unit; anda storing unit for storing the re-segmentation header from the first bit of the re-segmentation header to the determined bit indicating the end of the re-segmentation header and the start of other information, wherein the bit indicating the end of the re-segmentation header and the start of other information has a value opposite to a bit indicating whether a re-segmentation happens. 29. The apparatus for detecting a segment index for re-segmentation according to claim 28, wherein the bit indicating the end of the re-segmentation header and the start of other information indicates that no re-segmentation happens in a Protocol Data Unit (PDU) that is not segmented. 30. The apparatus for detecting a segment index for re-segmentation according to claim 28, wherein the bit indicating the end of the re-segmentation header and the start of other information is a Re-segmentation Indicator (RI) in a Protocol Data Unit (PDU) that is not segmented; and the first bit in the re-segmentation header is the RI in a PDU that is segmented.