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 modulated data at each of the first time and the second time,   wherein the first resource and the second resource are at least one of an orthogonal code and a cyclic shift of a base,   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 modulated data at each of the first time and the second time, 
   wherein the first resource and the second resource are at least one of an orthogonal code and a cyclic shift of a base,   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 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 and a cyclic shift of a base,   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 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 and a cyclic shift of a base,   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. A method for transmission of information in a communication system, the method comprising:
 obtaining an orthogonal sequence allocated for a first slot and a first cyclic shift corresponding to all symbols for the first slot and a cell identifier;   obtaining an orthogonal sequence allocated for a second slot and a second cyclic shift corresponding to all symbols for the second slot and the cell identifier;   applying the first cyclic shift corresponding to the symbols for the first slot and the orthogonal sequence for the first slot to information for the first slot;   applying the second cyclic shift corresponding to the symbols for the second slot and the orthogonal sequence for the second slot to information for the second slot;   transmitting, in the first slot, the information to which has been applied the first cyclic shift corresponding to the symbols for the first slot and the orthogonal sequence for the first slot; and   transmitting, in the second slot, the information to which has been applied the second cyclic shift corresponding to the symbols for the second slot and the orthogonal sequence for the second slot,   wherein a slot comprises multiple symbols.   
     
     
       38. The method of claim 37, wherein the information is an acknowledgement or negative acknowledgement (ACK/NACK). 
     
     
       39. The method of claim 37, wherein the first cyclic shift corresponding to the symbols for the first slot and the second cyclic shift corresponding to the symbols for the second slot are each defined based on at least one slot index. 
     
     
       40. The method of claim 37, wherein the orthogonal sequence for the first slot and the orthogonal sequence for the second slot are each defined based on at least one slot index. 
     
     
       41. The method of claim 37, wherein the information for the first slot is spread into symbols by applying the orthogonal sequence for the first slot. 
     
     
       42. The method of claim 37, wherein the orthogonal sequence for the second slot is obtained based on a first time index. 
     
     
       43. The method of claim 37, wherein the first cyclic shift corresponding to the symbols for the first slot, the second cyclic shift corresponding to the symbols for the second slot, the orthogonal sequence allocated for the first slot and the orthogonal sequence allocated for the second slot are obtained based on a number of cyclic shifts for an acknowledgement or negative acknowledgement (ACK/NACK) in one resource block. 
     
     
       44. The method of claim 43, wherein each cyclic shift except for a cyclic shift for the ACK/NACK in the one resource block is for channel quality information (CQI). 
     
     
       45. An apparatus in a communication system, the apparatus comprising:
 a transmitter chain configured to:
 obtain an orthogonal sequence for a first slot and a first cyclic shift corresponding to all symbols for the first slot and a cell identifier; 
 obtain an orthogonal sequence for a second slot and a second cyclic shift corresponding to all symbols for the second slot and the cell identifier; 
 apply the first cyclic shift corresponding to the symbols for the first slot and the orthogonal sequence for the first slot to information for the first slot; 
 apply the second cyclic shift corresponding to the symbols for the second slot and the orthogonal sequence for the second slot to information for the second slot; 
 transmit, in the first slot, the information to which has been applied the first cyclic shift corresponding to the symbols for the first slot and the orthogonal sequence for the first slot; and 
 transmit, in the second slot, the information to which has been applied the second cyclic shift corresponding to the symbols for the second slot and the orthogonal sequence for the second slot, 
   wherein a slot comprises a multiple of symbols.   
     
     
       46. The apparatus of claim 45, wherein the information is an acknowledgement and negative acknowledgement (ACK/NACK). 
     
     
       47. The apparatus of claim 45, wherein the first cyclic shift corresponding to the symbols for the first slot and the second cyclic shift corresponding to the symbols for the second slot are each defined based on at least one slot index. 
     
     
       48. The apparatus of claim 45, wherein the orthogonal sequence for the first slot and the orthogonal sequence for the second slot are each defined based on at least one slot index. 
     
     
       49. The apparatus of claim 45, wherein the information for the first slot is spread into symbols by applying the orthogonal sequence for the first slot. 
     
     
       50. The apparatus of claim 45, wherein the orthogonal sequence for the second slot is obtained based on a first time index. 
     
     
       51. The apparatus of claim 45, wherein the first cyclic shift corresponding to the symbols for the first slot, the second cyclic shift corresponding to the symbols for the second slot, the orthogonal sequence allocated for the first slot and the orthogonal sequence allocated for the second slot are obtained based on a number of cyclic shifts for an acknowledgement or negative acknowledgement (ACK/NACK) in one resource block. 
     
     
       52. The apparatus of claim 51, wherein each cyclic shift except for a cyclic shift for the ACK/NACK in the one resource block is for channel quality information (CQI). 
     
     
       53. A method for receipt of information in a communication system, the method comprising:
 obtaining an orthogonal sequence for a first slot and a first cyclic shift corresponding to all symbols for the first slot and a cell identifier;   obtaining an orthogonal sequence for a second slot and a second cyclic shift corresponding to all symbols for the second slot and the cell identifier;   receiving, at the first slot, information based on the first cyclic shift corresponding to the symbols for the first slot and the orthogonal sequence for the first slot; and   receiving, at the second slot, information based on the second cyclic shift corresponding to the symbols for the second slot and the orthogonal sequence for the second slot,   wherein a slot comprises multiple symbols.   
     
     
       54. The method of claim 53, wherein the information is an acknowledgement or negative acknowledgement (ACK/NACK). 
     
     
       55. The method of claim 53, wherein the first cyclic shift corresponding to the symbols for the first slot and the second cyclic shift corresponding to the symbols for the second slot are each defined based on at least one slot index. 
     
     
       56. The method of claim 53, wherein the orthogonal sequence for the first slot and the orthogonal sequence for the second slot are each defined based on at least one slot index. 
     
     
       57. The method of claim 53, wherein the information for the first slot is spread into symbols by applying the orthogonal sequence for the first slot. 
     
     
       58. The method of claim 53, wherein the orthogonal sequence for the second slot is obtained based on a first time index. 
     
     
       59. The method of claim 53, wherein the first cyclic shift corresponding to the symbols for the first slot, the second cyclic shift corresponding to the symbols for the second slot, the orthogonal sequence allocated for the first slot and the orthogonal sequence allocated for the second slot are obtained based on a number of cyclic shifts for an acknowledgement or negative acknowledgement (ACK/NACK) in one resource block. 
     
     
       60. The method of claim 59, wherein each cyclic shift except for the cyclic shift for ACK/NACK in the one resource block is for channel quality information (CQI).