Resource remapping and regrouping in a wireless communication system

Abstract

Methods and apparatus for remapping and regrouping transmission resources in a wireless communication system. First, a set of new permutation algorithms based on Galois field operation is proposed. Then the proposed algorithms and the known Pruned Bit Reversal Ordering (PBRO) algorithm are applied to several of various resource mapping schemes, including slot or symbol level Orthogonal Cover (OC)/Cyclic Shift (CS) mapping, cell-specific slot-level and symbol-level CS hopping patterns, and subframe and slot level base sequence hopping patterns.

What is claimed is: 
     
       1. A method for data transmission in a communication system, the method comprising:
 modulating data to be transmitted to generate a modulated data; 
 selecting a first resource to be used in a first time based on a function of a first time index; 
 selecting a second resource to be used in a second time based on the first time index and a second time index; 
 mapping the modulated data to the selected first resource and the selected second resource at the first time and the second time, respectively; and 
 transmitting the mapped, modulated data at each of the selected first resource at the first time and the selected second resource at the second time, 
 wherein the first resource and the second resource are at least one of an orthogonal code defined on a per slot level based on a slot index and a cyclic shift of a base defined on a per symbol level based on a symbol index and defined a slot level based on a slot index, 
 wherein each of the first time and second time is defined on at least one of a symbol level and a slot level, and 
 wherein a slot consists of at least one symbol. 
 
     
     
       2. The method of  claim 1 , wherein when the modulated data to be transmitted is acknowledgement and negative acknowledgement (ACK/NACK) data, the resource is an orthogonal code and a cyclic shift of a base. 
     
     
       3. The method of  claim 1 , wherein when the modulated data to be transmitted is Channel Quality Indicator (CQI) data, the resource is a cyclic shift of a base. 
     
     
       4. The method of  claim 1 , wherein the cyclic shift of a base is defined on a per symbol level or a slot level based on a symbol index or a slot index, respectively. 
     
     
       5. The method of  claim 1 , wherein the orthogonal code is defined on a per slot level based on a slot index. 
     
     
       6. The method of  claim 1 , wherein mapping the modulated data comprises symbol wise spreading the modulated data with the orthogonal code. 
     
     
       7. The method of  claim 1 , wherein selecting the first resource to be used in the first time and selecting the second resource to be used in the second time are based upon an amount of a total resource associated with a corresponding time index. 
     
     
       8. The method of  claim 1 , wherein when a total resource is shared by CQI transmission and ACK/NACK transmission, the total resource is separated into a portion for CQI transmission and a portion for ACK/NACK transmission. 
     
     
       9. The method of  claim 8 , wherein resource for CQI transmission and resource for ACK/NACK transmission are selected among the portion for CQI transmission and the portion for ACK/NACK transmission, respectively, at each corresponding time. 
     
     
       10. An apparatus in a wireless communication network, the apparatus comprising:
 a transmitter chain configured to:
 modulate data to be transmitted to generate a modulated data; 
 select a first resource to be used in a first time based on a function of a first time index; 
 select a second resource to be used in a second time based on the first time index and a second time index; 
 map the modulated data to the selected first resource and the selected second resource at the first time and the second time, respectively; and 
 transmit the mapped, modulated data at each of the selected first resource at the first time and the selected second resource at the second time, 
 
 wherein the first resource and the second resource are at least one of an orthogonal code defined on a per slot level based on a slot index and a cyclic shift of a base defined on a per symbol level based on a symbol index and defined a slot level based on a slot index, 
 wherein each of the first time and second time is defined on at least one of a symbol level and a slot level, and 
 wherein a slot consists of at least one symbol. 
 
     
     
       11. The apparatus of  claim 10 , wherein when the modulated data to be transmitted is acknowledgement and negative acknowledgement (ACK/NACK) data, the resource is an orthogonal code and a cyclic shift of a base. 
     
     
       12. The apparatus of  claim 10 , wherein when the modulated data to be transmitted is Channel Quality Indicator (CQI) data, the resource is a cyclic shift of a base. 
     
     
       13. The apparatus of  claim 10 , wherein the cyclic shift of a base is defined on a per symbol level or a slot level based on a symbol index or a slot index, respectively. 
     
     
       14. The apparatus of  claim 10 , wherein the orthogonal code is defined on a per slot level based on a slot index. 
     
     
       15. The apparatus of  claim 10 , wherein the transmitter chain is configured to map the modulated data by symbol wise spreading the modulated data with the orthogonal code. 
     
     
       16. The apparatus of  claim 10 , wherein the transmitter chain is configured to select the first resource to be used in the first time and select the second resource to be used in the second time based upon an amount of a total resource associated with a corresponding time index. 
     
     
       17. The apparatus of  claim 10 , wherein when a total resource is shared by CQI transmission and ACK/NACK transmission, the total resource is separated into a portion for CQI transmission and a portion for ACK/NACK transmission. 
     
     
       18. The apparatus of  claim 17 , wherein resource for CQI transmission and resource for ACK/NACK transmission are selected among the portion for CQI transmission and the portion for ACK/NACK transmission, respectively, at each corresponding time. 
     
     
       19. An apparatus in a wireless communication network, the apparatus comprising:
 a receiver chain configured to:
 receive modulated data mapped to a first resource at a first time, the first time based on a function of a first time index; and 
 receive modulated data mapped to a second resource at a first second time, the second time based on the first time index and a second time index, 
 
 wherein the first resource and the second resource are at least one of an orthogonal code defined on a per slot level based on a slot index and a cyclic shift of a base defined on a per symbol level based on a symbol index and defined a slot level based on a slot index, 
 wherein each of the first time and second time is defined on at least one of a symbol level and a slot level, and 
 wherein a slot consists of at least one symbol. 
 
     
     
       20. The apparatus of  claim 19 , wherein when the received data is acknowledgement and negative acknowledgement (ACK/NACK) data, the resource is an orthogonal code and a cyclic shift of a base. 
     
     
       21. The apparatus of  claim 19 , wherein when the received data is Channel Quality Indicator (CQI) data, the resource is a cyclic shift of a base. 
     
     
       22. The apparatus of  claim 19 , wherein the cyclic shift of a base is defined on a per symbol level or a slot level based on a symbol index or a slot index, respectively. 
     
     
       23. The apparatus of  claim 19 , wherein the orthogonal code is defined on a per slot level based on a slot index. 
     
     
       24. The apparatus of  claim 19 , wherein the modulated data is mapped using symbol wise spreading with the orthogonal code. 
     
     
       25. The apparatus of  claim 19 , wherein the first resource used in the first time and the second resource used in the second time are selected based upon an amount of a total resource associated with a corresponding time index. 
     
     
       26. The apparatus of  claim 19 , wherein when a total resource is shared by CQI transmission and ACK/NACK transmission, the total resource is separated into a portion for CQI transmission and a portion for ACK/NACK transmission. 
     
     
       27. The apparatus of  claim 26 , wherein resource for CQI transmission and resource for ACK/NACK transmission are selected among the portion for CQI transmission and the portion for ACK/NACK transmission, respectively, at each corresponding time. 
     
     
       28. A method for data transmission in a communication system, the method comprising:
 receiving modulated data mapped to a first resource at a first time, the first time based on a function of a first time index; and 
 receiving modulated data mapped to a second resource at a first second time, the second time based on the first time index and a second time index, 
 wherein the first resource and the second resource are at least one of an orthogonal code defined on a per slot level based on a slot index and a cyclic shift of a base defined on a per symbol level based on a symbol index and defined a slot level based on a slot index, 
 wherein each of the first time and second time is defined on at least one of a symbol level and a slot level, and 
 wherein a slot consists of at least one symbol. 
 
     
     
       29. The method of  claim 28 , wherein when the received data is acknowledgement and negative acknowledgement (ACK/NACK) data, the resource is an orthogonal code and a cyclic shift of a base. 
     
     
       30. The method of  claim 28 , wherein when the received data is Channel Quality Indicator (CQI) data, the resource is a cyclic shift of a base. 
     
     
       31. The method of  claim 28 , wherein the cyclic shift of a base is defined on a per symbol level or a slot level based on a symbol index or a slot index, respectively. 
     
     
       32. The method of  claim 28 , wherein the orthogonal code is defined on a per slot level based on a slot index. 
     
     
       33. The method of  claim 28 , wherein the modulated data is mapped using symbol wise spreading with the orthogonal code. 
     
     
       34. The method of  claim 28 , wherein the first resource used in the first time and the second resource used in the second time are selected based upon an amount of a total resource associated with a corresponding time index. 
     
     
       35. The method of  claim 28 , wherein when a total resource is shared by CQI transmission and ACK/NACK transmission, the total resource is separated into a portion for CQI transmission and a portion for ACK/NACK transmission. 
     
     
       36. The method of  claim 35 , wherein resource for CQI transmission and resource for ACK/NACK transmission are selected among the portion for CQI transmission and the portion for ACK/NACK transmission, respectively, at each corresponding time. 
     
     
       37. An apparatus for communication in a mobile communication system, comprising:
 transmitter signal processing circuitry configured to:
 acquire an orthogonal sequence for an acknowledgement or negative acknowledgement (ACK/NAK) signal based on a slot index and a cyclic shift of a base sequence for the ACK/NAK signal, wherein the cyclic shift of the base sequence for the ACK/NAK signal is based on a symbol index, a slot index and a cell identification; 
 acquire an orthogonal sequence for a reference signal based on a slot index and a cyclic shift of a base sequence for the reference signal, wherein the cyclic shift of the base sequence for the reference signal is based on a symbol index, a slot index and a cell identification; 
 obtain the ACK/NAK signal based on the orthogonal sequence and the cyclic shift for the ACK/NAK signal at a corresponding symbol and a corresponding slot; and 
 obtain the reference signal based on the orthogonal sequence and the cyclic shift for the reference signal at a corresponding symbol and a corresponding slot; and 
   a transmitter coupled to the transmitter signal processing circuitry and configured to transmit the ACK/NAK signal and the reference signal.   
     
     
       38. The apparatus of claim 37, wherein the orthogonal sequence and the cyclic shift for the ACK/NAK signal in a second slot are further derived based on a first slot index. 
     
     
       39. The apparatus of claim 37, wherein the orthogonal sequence and the cyclic shift for the reference signal in a second slot are further derived based on a first slot index. 
     
     
       40. The apparatus of claim 37, wherein a number of cyclic shift for the ACK/NAK signal in a mixed channel quality indication (CQI) and ACK/NAK resource block (RB) are configured. 
     
     
       41. The apparatus of claim 37, wherein the base sequence is a Zadoff-Chu sequence. 
     
     
       42. A method for communication in a mobile communication system, the method comprising:
 acquiring an orthogonal sequence for a acknowledgement and negative acknowledgement (ACK/NAK) signal based on a slot index and a cyclic shift of a base sequence for the ACK/NAK signal, wherein the cyclic shift of the base sequence for the ACK/NAK signal is based on a symbol index, a slot index and a cell identification;   acquiring an orthogonal sequence for a reference signal based on a slot index and a cyclic shift of a base sequence for the reference signal, wherein the cyclic shift of the base sequence for the reference signal is based on a symbol index, a slot index and a cell identification;   obtaining the ACK/NAK signal based on the orthogonal sequence and the cyclic shift for the ACK/NAK signal at a corresponding symbol and a corresponding slot;   obtaining the reference signal based on the orthogonal sequence and the cyclic shift for the reference signal at a corresponding symbol and a corresponding slot; and   transmitting the ACK/NAK signal and the reference signal.   
     
     
       43. The method of claim 42, wherein the orthogonal sequence and the cyclic shift for the ACK/NAK signal in a second slot are further derived based on a first slot index. 
     
     
       44. The method of claim 42, wherein the orthogonal sequence and the cyclic shift for the reference signal in a second slot are further derived based on a first slot index. 
     
     
       45. The method of claim 42, wherein a number of cyclic shift for the ACK/NAK signal in a mixed channel quality indication (CQI) and ACK/NAK resource block (RB) is configured. 
     
     
       46. The method of claim 42, wherein the base sequence is a Zadoff-Chu sequence. 
     
     
       47. An apparatus for communication in a mobile communication system, comprising:
 a receiver configured to receive a signal; and   receiver signal processing circuitry coupled to the receiver and configured to:
 acquire an orthogonal sequence for a acknowledgement or negative acknowledgement (ACK/NAK) signal responsive to the received signal based on a slot index and a cyclic shift of a base sequence for the ACK/NAK signal, wherein the cyclic shift of the base sequence for the ACK/NAK signal is based on a symbol index, a slot index and a cell identification; 
 acquire an orthogonal sequence for a reference signal based on a slot index and a cyclic shift of a base sequence for the reference signal, wherein the cyclic shift of the base sequence for the reference signal is based on a symbol index, a slot index and a cell identification; 
 obtain ACK/NAK based on the received signal, the orthogonal sequence and the cyclic shift for the ACK/NAK signal at a corresponding symbol and a corresponding slot; and 
 obtain the reference signal based on the orthogonal sequence and the cyclic shift for the reference signal at a corresponding symbol and a corresponding slot. 
   
     
     
       48. The apparatus of claim 47, wherein the orthogonal sequence and the cyclic shift for the ACK/NAK signal in a second slot are further derived based on a first slot index. 
     
     
       49. The apparatus of claim 47, wherein the orthogonal sequence and the cyclic shift for the reference signal in a second slot are further derived based on a first slot index. 
     
     
       50. The apparatus of claim 47, wherein a number of cyclic shift for the ACK/NAK signal in a mixed channel quality indication (CQI) and ACK/NAK resource block (RB) is configured. 
     
     
       51. The apparatus of claim 47, wherein the base sequence is a Zadoff-Chu sequence. 
     
     
       52. A method for communication in a mobile communication system, comprising:
 receiving a signal;   acquiring an orthogonal sequence for an acknowledgement or negative acknowledgement (ACK/NAK) signal based on a slot index and a cyclic shift of a base sequence for the ACK/NAK signal, wherein the cyclic shift of the base sequence for the ACK/NAK signal is based on a symbol index, a slot index and a cell identification;   acquiring an orthogonal sequence for a reference signal based on a slot index and a cyclic shift of a base sequence for the reference signal, wherein the cyclic shift of the base sequence for the reference signal is based on a symbol index, a slot index and a cell identification;   obtaining ACK/NAK based on the received signal, the orthogonal sequence and the cyclic shift for the ACK/NAK signal at a corresponding symbol and a corresponding slot; and   obtaining the reference signal based on the orthogonal sequence and the cyclic shift for the reference signal at a corresponding symbol and a corresponding slot.   
     
     
       53. The method of claim 52, wherein the orthogonal sequence and the cyclic shift for the ACK/NAK signal in a second slot are further derived based on a first slot index. 
     
     
       54. The method of claim 52, wherein the orthogonal sequence and the cyclic shift for the reference signal in a second slot are further derived based on a first slot index. 
     
     
       55. The method of claim 52, wherein a number of cyclic shift for the ACK/NAK signal in a mixed channel quality indication (CQI) and ACK/NAK resource block (RB) is configured. 
     
     
       56. The method of claim 52, wherein the base sequence is a Zadoff-Chu sequence.