Uplink macro diversity method
First Claim
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1. An uplink macro diversity method in a digital cellular mobile radio communication system, the method comprising the steps of:
- transmitting an information block from a mobile station, the information block having a number of data bits, receiving a first information block corresponding to the information block at the first base station and receiving a second information block corresponding to the information block at at least a second base station, determining a first quality measure for each data bit of the first information block by the first base station, the first quality measure representing the reliability of the data bit, determining a second quality measure for each data bit of the second information block by the second base station, the second quality measure representing the reliability of the data bit, sending of the first information block and the first quality measures from the first base station to a controller and sending of the second information block and the second quality measures from the second base station to the controller, combining of the first and second information blocks based on the first and second quality measures into a third information block by the controller.
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Abstract
The present invention relates to an uplink macro diversity method in a digital cellular mobile radio communication system, the method comprising the steps of:
- transmitting an information block from a mobile station (114), the information block having a number of data bits,
- receiving a first information block corresponding to the information block at the first base station (104) and receiving a second information block corresponding to the information block at at least a second base station (106),
- determining a first quality measure for each data bit of the first information block by the first base station (104), the first quality measure representing the reliability of the data bit,
- determining a second quality measure for each data bit of the second information block by the second base station (106), the second quality measure representing the reliability of the data bit,
- sending of the first information block and the first quality measures from the first base station (104) to a controller and sending of the second information block and the second quality measures from the second base station (106) to the controller, combining of the first and second information blocks based on the first and second quality measures into a third information block by the controller.
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Citations
15 Claims
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1. An uplink macro diversity method in a digital cellular mobile radio communication system, the method comprising the steps of:
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transmitting an information block from a mobile station, the information block having a number of data bits, receiving a first information block corresponding to the information block at the first base station and receiving a second information block corresponding to the information block at at least a second base station, determining a first quality measure for each data bit of the first information block by the first base station, the first quality measure representing the reliability of the data bit, determining a second quality measure for each data bit of the second information block by the second base station, the second quality measure representing the reliability of the data bit, sending of the first information block and the first quality measures from the first base station to a controller and sending of the second information block and the second quality measures from the second base station to the controller, combining of the first and second information blocks based on the first and second quality measures into a third information block by the controller. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A computer program product for a base station of a digital cellular mobile radio communication system, the computer program product comprising program means for performing the steps of:
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determining a quality measure for each data bit of an information block received by the base station, the quality measure representing the reliability of the data bit, sending of the information block and the quality measures for the data bits from the base station to a controller.
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10. A computer program product for a radio network controller of a digital cellular mobile radio communication system, the radio network controller covering at least first and second base stations, the radio network controller comprising:
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receiving of a first information block corresponding to an information block of a mobile station from a first base station together with first quality measures for each data bit of the first information block, one of the first quality measures representing the reliability of one of the data bits, receiving of a second information block corresponding to the information block of the mobile station from a second base station together with second quality measures for each data bit of the second information block, one of the second quality measures representing the reliability of one of the data bits, combining of the first and second information blocks based on the first and second quality measures into a third information block.
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11. A base station of a digital cellular mobile radio communication system, the base station comprising:
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means for receiving a first information block from a mobile station, means for determining a first quality measure for each data bit of the first information block, the first quality measure representing the reliability of the data bit, means for sending of the first information block and the first quality measures to a controller. - View Dependent Claims (12)
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13. A radio network controller for a digital cellular mobile communication system, the radio network controller covering at least first and second base stations, the radio network controller comprising:
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means for receiving of a first information block and first quality measures from the first base station and for receiving of a second information block and second quality measures from the second base station, whereby the first information block correspondings to an information block received by a first base station and the second information block correspondings to the information block received by at least a second base station, the first quality measure for each data bit of the first information block representing the reliability of the data bit in the first information block and the second quality measure for each data bit of the second information block representing the reliability of the data bit in the second information block, and means for combining of the first and second information blocks based on the first and second quality measures into a third information block. - View Dependent Claims (14)
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15. A data frame structure used in a digital cellular mobile radio communication system, the structure containing among other items the following in the order given, but not necessarily contiguously:
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error indicators for the transport blocks in the data frame, the transport blocks in fields with variable size, the size of each transport block being dependent on the error indicator related to the respective transport block.
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Specification