Multiplexing PUCCH information

• US 9,319,195 B2
• Filed: 09/25/2008
• Issued: 04/19/2016
• Est. Priority Date: 10/01/2007
• Status: Active Grant

• Current Assignee: WSOU Investments, LLC (WSOU Holdings, LLC)
• Original Assignee: Alcatel-Lucent SA (Nokia Corporation)
• Inventors: Cheng, Fang-Chen, Song, Lei
• Primary Examiner(s): Nguyen, Hanh N
• Application Number:
  US12/237,849
• Publication Number:
  US 20090196238A1
• Time in Patent Office: 2,763 Days
• Field of Search: 455/70, 455/101, 455/134, 455/135, 375/260, 370/330, 370/331, 370/328, 370/329, 370/203, 370/208, 370/209, 370/210, 370/335
• US Class Current: 1/1
• CPC Class Codes: H04L 1/0027 Scheduling of signalling, e.g. occurrence thereof
• CPC Class Codes: H04L 1/1671 the supervisory signal being transmitted together with control information
• CPC Class Codes: H04L 1/1692 Physical properties of the supervisory signal, e.g. acknowledgement by energy bursts
• CPC Class Codes: H04L 1/1893 Physical mapping arrangements physical resource mapping in general H04L5/00
• CPC Class Codes: H04L 5/0007 the frequencies being orthogonal, e.g. OFDM(A), DMT
• CPC Class Codes: H04L 5/0053 Allocation of signaling, i.e. of overhead other than pilot signals

Abstract

An exemplary method of communicating includes multiplexing control signaling in a physical uplink control channel (PUCCH) onto a physical uplink shared channel (PUSCH) by puncturing PUSCH data with PUCCH control information using a uniform distribution of the PUCCH information within at least one resource block of the PUSCH data. One example includes using a first constant amplitude zero autocorrelation sequence (CAZAC) index on PUCCH for communicating CQI and ACK information together and using a second, different CAZAC sequence index for communicating CQI information alone or with NAK information or DTX. The used index provides an indication of whether ACK information is communicated. The used index also provides implicit DTX detection without additional processing.

Claims

1. A method of communicating at least channel quality indicator (CQI) information selectively multiplexed with acknowledgment (ACK) information, negative acknowledgment (NAK) information on a physical uplink control channel (PUCCH), comprising the steps of:

transmitting CQI information from a transmitter;

using a first constant amplitude zero autocorrelation sequence (CAZAC) index for transmitting CQI and ACK information together; and

using a second, different CAZAC sequence index for transmitting CQI information alone or with NAK information

such that the used first or second CAZAC sequence index provides an indication of whether ACK information is communicated through the PUCCH.

2. The method of claim 1, wherein the first sequence index and the second sequence index assigned to one user is distinct from the first sequence index and the second sequence index assigned to a different user on the PUCCH.

3. The method of claim 1, comprising

assigning one of six sets of CAZAC cyclic shifts on the PUCCH to one of six different users, respectively.

4. The method of claim 1, comprising

assigning one of four sets of CAZAC cyclic shifts on the PUCCH to one of four different users, respectively;

and

arranging the four sets to maintain at least one shift separation between each user and every other one of the four users.

5. The method of claim 1, wherein each user is assigned two indexes on the PUCCH and each user uses only one of the assigned indexes for communicating the CQI and ACK information and uses the other one of the assigned indexes for any other communication including CQI information.

6. The method of claim 1, comprising characterized by action of the reception of NAK information when the assigned indexes for communicating the CQI and ACK/NAK information.

7. The method of claim 1, comprising using the second CAZAC sequence index for a discontinuous transmission (DTX).

8. The method of claim 7, comprising

detecting a DTX based upon use of the second CAZAC sequence index.

9. The method of claim 8, comprising responding to a detected DTX in a manner that corresponds to receiving NAK information.

10. A method of communicating at least channel quality indicator (CQI) information selectively multiplexed with acknowledgement (ACK) information or negative acknowledgement (NAK) information on a physical uplink control channel (PUCCH), comprising the steps of:

receiving a communication at a receiver, the communication including a first constant amplitude zero autocorrelation sequence (CAZAC) index when the received communication includes CQI and ACK information together, the received communication including a second, different CAZAC sequence index when the communication includes CQI information alone or CQI information with NAK information; and

determining whether ACK information is communicated through the PUCCH based upon whether the received communication includes the first CAZAC sequence index or the second CAZAC sequence index.

11. The method of claim 10, wherein the first sequence index and the second sequence index assigned to one user is distinct from the first sequence index and the second sequence index assigned to a different user on the PUCCH.

12. The method of claim 10, comprising

assigning one of six sets of CAZAC cyclic shifts on the PUCCH to one of six different users, respectively.

13. The method of claim 10, comprising

assigning one of four sets of CAZAC cyclic shifts on the PUCCH to one of four different users, respectively;

and

arranging the four sets to maintain at least one shift separation between each user and every other one of the four users.

14. The method of claim 10, wherein each user is assigned two indexes on the PUCCH and each user uses only one of the assigned indexes for communicating the CQI and ACK information and uses the other one of the assigned indexes for any other communication including CQI information.

15. The method of claim 10, comprising using the second CAZAC sequence index for a discontinuous transmission (DTX).

16. The method of claim 15, comprising

detecting a DTX based upon use of the second CAZAC sequence index.

17. The method of claim 16, comprising responding to a detected DTX in a manner that corresponds to receiving NAK information.

18. A communication device comprising:

a transmitter configured for transmitting at least channel quality indicator (CQI) information on a physical uplink control channel (PUCCH), the transmitter using a first constant amplitude zero autocorrelation sequence (CAZAC) index for transmitting CQI and acknowledgement (ACK) information together and using a second, different CAZAC sequence index for transmitting CQI information alone or with negative acknowledgement (NAK) information,

wherein the used first or second CAZAC sequence index provides an indication of whether ACK information is communicated by the transmitter through the PUCCH.

19. A communication device, comprising:

a receiver configured for

receiving a communication on a physical uplink control channel (PUCCH),

the received communication including a first constant amplitude zero autocorrelation sequence (CAZAC) index when the received communication includes channel quality indicator (CQI) information and acknowledgement (ACK) information together,

the received communication including a second, different CAZAC sequence index when the communication includes CQI information alone or CQI information with negative acknowledgement (NAK) information, and

determining whether ACK information is communicated through the PUCCH based upon whether the received communication includes the first CAZAC sequence index or the second CAZAC sequence index.