Transmission pattern for the transmission of data in a radio communications system
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Abstract
A method for the transmission of data between base stations and terminal devices uses at least one first time-frequency-spectrum which contains a plurality of transmission resources. A transmission resource is defined by a section of the time-frequency-spectrum, which is formed by at least one subcarrier subdivided into time slots and by at least one time slot. As part of the method, data are transmitted between a base station and a terminal device in a frame on one transmission resource. The method is characterized in that the base station transmits the data in such a way that a combination of subcarriers and/or time slots of the transmission resource used for the transmission of the frame forms a transmission pattern characterizing the nature of the data. The base station selects the transmission pattern from a number of previously defined transmission patterns, depending on the nature of the data to be transmitted.
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Citations
16 Claims
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1-8. -8. (canceled)
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9. A method for transmitting data over a time/frequency spectrum between base stations and terminals in a radio communication system, the time/frequency spectrum being divided into a plurality of subcarriers and being divided into a plurality of time slots, the time/frequency spectrum being further divided into frames, each frame comprising a plurality of time slots, the method comprising:
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selecting a transmission pattern to transmit data in a frame from a base station to a terminal, the transmission pattern being a combination of subcarriers and time slots, the transmission pattern being selected from a set of previously defined transmission patterns based on a nature of the data to be transmitted; and transmitting the data using the selected transmission pattern as a transmission resource. - View Dependent Claims (10, 11, 12)
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13. A method for allocating transmission resources for transmitting data between base stations and terminals in a radio communication system, each transmission resource occupying a subset of a time/frequency spectrum, the time/frequency spectrum being divided into subcarriers and being divided into time slots, the method comprising:
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accessing at least one occupied transmission resource at a terminal; ascertaining, for each transmission resource to which the terminal has access, a measured value identifying a channel quality of the respective transmission resource; transmitting each measured value from the terminal to a first base station; ascertaining a transmission pattern for each transmission resource to which the terminal has access and which is used for communication by a base station other than the first base station, the transmission pattern being formed by a combination of subcarriers and time slots, the transmission pattern characterizing a nature of the data being transmitted, the transmission pattern being selected from a set of previously defined transmission patterns based on the nature of the data to be transmitted; transmitting each ascertained transmission pattern from the terminal to the first base station; and allocating a transmission resource at the first base station for data transmission to the terminal, the transmission resource being allocated based on the measured values and transmission patterns received from the terminal.
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14. A base station comprising:
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a transmitter to transmit data over a time/frequency spectrum to a terminal in a radio communication system, the time/frequency spectrum being divided into a plurality of subcarriers and being divided into a plurality of time slots, the time/frequency spectrum being further divided into frames, each frame comprising a plurality of time slots, the data being transmitted in a frame according to a transmission pattern; and a controller to select the transmission pattern to transmit the data to the terminal, the transmission pattern being a combination of subcarriers and time slots, the transmission pattern being selected from a set of previously defined transmission patterns based on a nature of the data to be transmitted.
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15. A terminal comprising:
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a receiver to receive data over a time/frequency spectrum from a base station in a radio communication system, the time/frequency spectrum being divided into a plurality of subcarriers and being divided into a plurality of time slots, the time/frequency spectrum being further divided into frames, each frame comprising a plurality of time slots, the data being received in a frame according to a transmission pattern; and a processor to recognize the transmission pattern used to transmit data from the base station in the frame, the transmission pattern being a combination of subcarriers and time slots, the transmission pattern being selected from a set of previously defined transmission patterns based on a nature of the data to be transmitted.
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16. A radio communication system comprising:
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a base station comprising; a transmitter to transmit data over a time/frequency spectrum to a terminal in a radio communication system, the time/frequency spectrum being divided into a plurality of subcarriers and being divided into a plurality of time slots, the time/frequency spectrum being further divided into frames, each frame comprising a plurality of time slots, the data being transmitted in a frame according to a transmission pattern; and a controller to select the transmission pattern to transmit the data to the terminal, the transmission pattern being a combination of subcarriers and time slots, the transmission pattern being selected from a set of previously defined transmission patterns based on a nature of the data to be transmitted; and a terminal comprising; a receiver to receive data over the time/frequency spectrum from the base station, the data being received in a frame according to the transmission pattern; and a processor to recognize the transmission pattern used to transmit data from the base station.
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Specification