Abstract
When a terminal generates an uplink signal in a communication system the terminal hops a sequence for differentiating itself from another terminal with time. The terminal generates the uplink signal by multiplying a transmission symbol by a sequence of a transmission time corresponding to the transmission symbol.
When a terminal generates an uplink signal in a communication system the terminal hops a sequence for differentiating itself from another terminal with time. The terminal generates the uplink signal by multiplying a transmission symbol by a sequence of a transmission time corresponding to the transmission symbol.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| 4G | 03/02/2009 | ISLD-200903-003 | ETRI |
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Specification Information
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| KR101048498B1 | 4G | 03/02/2009 | ISLD-200903-003 | ETRI |
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
Resource configuration
Product
User Equipment (UE/Terminal)
Use Cases
Wireless communication
Services
Radio Resource Management
Claim
1. A method of transmitting an uplink signal in a terminal, the method comprising: multiplying a first transmission symbol by a first sequence for differentiating the terminal from another terminal, and transmitting the first transmission symbol at a first transmission time; and multiplying a second transmission symbol by a second sequence for differentiating the terminal from the other terminal, and transmitting the first transmission symbol at a second transmission time different from the first transmission time, wherein the second sequence is different from the first sequence.
2. A method of generating an uplink signal in a terminal, the method comprising: hopping a sequence for identifying the terminal from another terminal with time; and generating the uplink signal by multiplying a transmission symbol by the sequence of a transmission time corresponding to the transmission symbol.
3. The method of claim 2, wherein the sequence corresponds to a product of a code for identifying the terminal from the other terminal and a basic sequence, and the hopping of the sequence comprises hopping the code with time.
4. The method of claim 2, wherein the sequence is a value generated by cyclic-shifting the basic sequence, and the hopping of the sequence comprises hopping the cyclic-shift with time.
5. The method of claim 2, wherein the hopping of the sequence comprises hopping the sequence with time based on a cell to which the terminal belongs.
6. A method of generating sequences for uplink signals of a plurality of terminals including a first terminal and a second terminal in a communication system, the method comprising: setting a first sequence for the first terminal; setting a second sequence for the second terminal to be different from the first sequence; and setting hopping patterns of the first sequence and the second sequence according to a transmission time.
7. The method of claim 6, wherein the setting of the hopping patterns comprises: setting the hopping patterns such that the first sequence of a first transmission time is different from the first sequence of a second transmission time; and setting the hopping patterns such that the second sequence of the first transmission time is different from the second sequence of the second transmission time.
8. The method of claim 6, wherein the setting of the hopping patterns comprises setting the hopping patterns such that, when the first sequence is adjacent to the second sequence at a first transmission time, the first sequence is not adjacent to the second sequence at a second transmission time.
9. The method of claim 6, wherein the first sequence corresponds to a product of a basic sequence and a code for the first terminal, and the second sequence corresponds to a product of the basic sequence and a code for the second terminal
10. The method of claim 9, wherein the first sequence is given, by the code for the first terminal, as a sequence generated by shifting the basic sequence by a first cyclic-shift, and the second sequence is given, by the code for the second terminal, as a sequence generated by shifting the basic sequence by a second cyclic-shift
11. The method of claim 10, wherein the hopping patterns are patterns for hopping the first and second cyclic-shifts with time
12. The method of claim 9, wherein the setting of the hopping patterns further comprises setting a pattern for changing the basic sequence with time
13. The method of claim 6, wherein the setting of the hopping patterns comprises setting the hopping patterns of the first sequence and the second sequence according to the transmission time based on a cell to which the first terminal belongs and a cell to which the second terminal belongs, respectively
14. An apparatus for transmitting an uplink signal in a terminal, the apparatus comprising: means for multiplying a first transmission symbol by a first sequence for differentiating the terminal from another terminal, and for transmitting the first transmission symbol at a first transmission time; and means for multiplying a second transmission symbol by a second sequence for differentiating the terminal from the other terminal, and for transmitting the first transmission symbol at a second transmission time different from the first transmission time, wherein the second sequence is different from the first sequence
15. An apparatus for generating an uplink signal in a terminal, the apparatus comprising: means for hopping a sequence for identifying the terminal from the other terminal with time; and means for generating the uplink signal by multiplying a transmission symbol by the sequence of the transmission time corresponding to the transmission symbol
16. An apparatus for generating sequences for uplink signals of a plurality of terminals including a first terminal and a second terminal in a communication system, the apparatus comprising: means for setting a first sequence for the first terminal; means for setting a second sequence for the second terminal to be different from the first sequence; and means for setting hopping patterns of the first sequence and the second sequence according to a transmission time.']
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