METHOD AND APPARATUS FOR PROVIDING PIGGYBACKED POSITIVE ACKNOWLEDGEMENT/NEGATIVE ACKNOWLEDGEMENT FIELD INDICATOR AND A POLLING INDICATOR

Abstract

A method and apparatus of providing a piggybacked positive acknowledgement/negative acknowledgement (ACK/NACK) (PAN) field indicator (PANI) and a polling indicator are disclosed. A combined field of a PANI bit a relative reserved block period (RRBP) bit and an EGPRS supplementary polling (ES/P) field may indicate a polling scheme and a presence of a PAN field. Alternatively the presence of the PAN field in the data block may be indicated by using a specific training sequence. Alternatively a forward error correction (FEC) coding may be performed on the data block including the header and the presence of the PAN field may be indicated by scrambling the encoded bits corresponding the header with a specific scrambling sequence. Alternatively a header check sequence (HCS) may be generated and the presence of the PAN field is indicated by mixing a predetermined sequence with the HCS.

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2G	18/09/2008	ISLD-200901-001	INTERDIGITAL INC	S1 TS Number: TS 144 060 Version No: Illustrative part: ---- Release: + -	Yes	Family Member
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Claim

1. A method of providing a piggybacked positive acknowledgement/negative acknowledgement (ACK/NACK) (PAN) field indicator (PANI) and a polling indicator, the method comprising: setting a combined field comprising a PANI bit, a relative reserved block period (RRBP) bit and an evolved general packet radio service (EGPRS) supplementary polling (ES/P) field to indicate a polling scheme and an existence of a PAN field in a data block; and sending the data block including the combined field.

2. A method of detecting a piggybacked positive acknowledgement/negative acknowledgement (ACK/NACK) (PAN) field indicator (PANI) and a polling indicator, the method comprising: receiving a data block, the data block including a combined field of a PANI bit, a relative reserved block period (RRBP) bit and an evolved general packet radio service (EGPRS) supplementary polling (ES/P) field; and determining a polling scheme and an existence of a PAN field in the data block based on the combined field.

3. A method of providing a piggybacked positive acknowledgement/negative acknowledgement (ACK/NACK) (PAN) field indicator (PANI) and a polling indicator, the method comprising: generating a data block including the polling indicator; and sending the data block along with a training sequence reserved for indicating a presence of a PAN field in the data block.

4. The method of claim 3 wherein the training sequence is one of two training sequences used in a cell.

5. A method of detecting a piggybacked positive acknowledgement/negative acknowledgement (ACK/NACK) (PAN) field indicator (PANI) and a polling indicator, the method comprising: receiving a training sequence and a data block including the polling indicator; and detecting that the data block includes a PAN field if the training sequence is one reserved for indicating a presence of a PAN field in the data block.

6. The method of claim 5 wherein the training sequence is one of two training sequences used in a cell.

7. A method of providing a piggybacked positive acknowledgement/negative acknowledgement (ACK/NACK) (PAN) field indicator (PANI) and a polling indicator, the method comprising: generating a data block including a header, the header including the polling indicator; performing a forward error correction (FEC) coding on the data block including the header; and scrambling encoded bits corresponding to the header with a scrambling sequence if the data block includes a PAN field.

8. A method of detecting a piggybacked positive acknowledgement/negative acknowledgement (ACK/NACK) (PAN) field indicator (PANI) and a polling indicator, the method comprising: receiving encoded bits of a data block; performing a forward error correction (FEC) decoding on the received encoded bits; if FEC decoding fails, descrambling the received encoded bits with a scrambling code; performing an FEC decoding on the descrambled bits; and if FEC decoding on the descrambled bits succeeds, detecting that a PAN field is included in the data block.

9. A method of providing a piggybacked positive acknowledgement/negative acknowledgement (ACK/NACK) (PAN) field indicator (PANI) and a polling indicator, the method comprising: generating a data block including a header, the header including the polling indicator; generating a header checksum (HCS); mixing a predetermined sequence with the HCS if a PAN field is included in the data block; and sending the data block

10. A method of detecting a piggybacked positive acknowledgement/negative acknowledgement (ACK/NACK) (PAN) field indicator (PANI) and a polling indicator, the method comprising: receiving a data block; performing header check sequence (HCS) decoding with a header of the data block and a HCS included in the data block; if HCS fails, mixing a predetermined sequence with the HCS; performing second HCS decoding with the header and a mixed HCS; and detecting that the data block includes a PAN field if the second HCS decoding succeeds

11. An apparatus configured to provide a piggybacked positive acknowledgement/negative acknowledgement (ACK/NACK) (PAN) field indicator (PANI) and a polling indicator, the apparatus comprising: a data block processing entity for setting a combined field comprising a PANI bit, a relative reserved block period (RRBP) bit, and an evolved general packet radio service (EGPRS) supplementary polling (ES/P) field to indicate a polling scheme and an existence of a PAN field in a data block; and a transceiver for sending the data block including the combined field

12. An apparatus of supporting a piggybacked positive acknowledgement/negative acknowledgement (ACK/NACK) (PAN) field indicator (PANI) and a polling indicator, the apparatus comprising: a transceiver for receiving a data block, the data block including a combined field of a PANI bit, a relative reserved block period (RRBP) bit, and an evolved general packet radio service (EGPRS) supplementary polling (ES/P) field; and a controller for determining a polling scheme and an existence of a PAN field in the data block based on the combined field

13. An apparatus of providing a piggybacked positive acknowledgement/negative acknowledgement (ACK/NACK) (PAN) field indicator (PANI) and a polling indicator, the apparatus comprising: a data block processing entity for generating a data block including the polling indicator; and a transceiver for sending the data block along with a training sequence reserved for indicating a presence of a PAN field in the data block

14. The apparatus of claim 13 wherein the training sequence is one of two training sequences used in a cell

15. An apparatus of detecting a piggybacked positive acknowledgement/negative acknowledgement (ACK/NACK) (PAN) field indicator (PANI) and a polling indicator, the apparatus comprising: a transceiver for receiving a training sequence and a data block including the polling indicator; and a controller for detecting that the data block includes a PAN field if the training sequence is one reserved for indicating a presence of a PAN field in the data block

16. The apparatus of claim 15 wherein the training sequence is one of two training sequences used in a cell

17. An apparatus of providing a piggybacked positive acknowledgement/negative acknowledgement (ACK/NACK) (PAN) field indicator (PANI) and a polling indicator, the apparatus comprising: a data block processing entity for generating a data block including a header, the header including the polling indicator; an encoder for performing a forward error correction (FEC) coding on the data block including the header; a scrambler for scrambling encoded bits corresponding the header with a scrambling sequence if the data block includes a PAN field; and a transceiver for sending the data block including the scrambled bits

18. An apparatus of detecting a piggybacked positive acknowledgement/negative acknowledgement (ACK/NACK) (PAN) field indicator (PANI) and a polling indicator, the apparatus comprising: a transceiver for receiving encoded bits of a data block; a decoder for performing a forward error correction (FEC) decoding on the received encoded bits; a descrambler for descrambling the received encoded bits with a scrambling code if FEC decoding fails, the descrambled bits being decoded by the decoder; and a controller for detecting that a PAN field is included in the data block if FEC decoding on the descrambled bits succeeds

19. An apparatus of providing a piggybacked positive acknowledgement/negative acknowledgement (ACK/NACK) (PAN) field indicator (PANI) and a polling indicator, the apparatus comprising: a data block processing entity for generating a data block including a header, the header including the polling indicator; an encoder for generating a header checksum (HCS); a modulo-2 adder for mixing a predetermined sequence with the HCS if a PAN field is included in the data block; and a transceiver for sending the data block.

20. An apparatus of detecting a piggybacked positive acknowledgement/negative acknowledgement (ACK/NACK) (PAN) field indicator (PANI) and a polling indicator, the apparatus comprising: a transceiver for receiving a data block; a decoder for performing header check sequence (HCS) decoding with a header of the data block and a HCS included in the data block; a modulo-2 adder for mixing a predetermined sequence with the HCS if HCS fails, second HCS decoding being performed by the decoder with the header and a mixed HCS; and a controller for detecting that the data block includes a PAN field if the second HCS decoding succeeds.

21. A method of providing a piggybacked positive acknowledgement/negative acknowledgement (ACK/NACK) (PAN) field indicator (PANI), the method comprising: generating a data block including a PAN field; setting one of block sequence number 2 (BSN2) bits to indicate an existence of the PAN field in the data block; and sending the data block.

22. A method of detecting a piggybacked positive acknowledgement/negative acknowledgement (ACK/NACK) (PAN) field indicator (PANI), the method comprising: receiving a data block; and detecting an existence of a PAN field in the data block based on one of block sequence number 2 (BSN2) bits.

23. An apparatus of providing a piggybacked positive acknowledgement/negative acknowledgement (ACK/NACK) (PAN) field indicator (PANI), the apparatus comprising: a data block processing entity for generating a data block including a PAN field, and setting one of block sequence number 2 (BSN2) bits to indicate an existence of the PAN field in the data block; and a transceiver for sending the data block.

24. An apparatus of detecting a piggybacked positive acknowledgement/negative acknowledgement (ACK/NACK) (PAN) field indicator (PANI), the apparatus comprising: a transceiver for receiving a data block; and a controller for detecting an existence of a PAN field in the data block based on one of block sequence number 2 (BSN2) bits.']

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