Antenna delay buffering in telecommunication receivers
First Claim
1. A telecommunication receiver for receiving, from multiple antennas, related data having different delays, the receiver comprising:
- an input buffer for buffering the data for each antenna separately as buffered input data, wherein the input buffer is arranged for buffering per antenna the amount of data which corresponds with twice an amount of data that can be submitted to a Fourier transform unit for selecting relevant data,the Fourier transform unit for selecting, from the buffered input data, relevant input data and Fourier transforming the relevant input data into transformed data for each antenna separately as soon as the relevant input data are available, andan output buffer for buffering the transformed data for each antenna separately as buffered output data until a predetermined amount of transformed data from all antennas is buffered.
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Abstract
A telecommunication receiver is arranged for receiving related data originating from multiple antennas, which data have different times of arrival due to, for example, different delays. The receiver comprises an input buffer for buffering data, a transform unit for Fourier transforming the data received from the input buffer into transformed data, and an output buffer for buffering the transformed data received from the transform unit. The input buffer is arranged for passing each set of data items to the transform unit when the relevant data item has been received in the input buffer, while the transform unit is arranged for removing redundant parts of the data. In addition, the output buffer is arranged for synchronizing the transformed data. Thus the buffering for delay compensation is carried out in the output buffer.
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Citations
19 Claims
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1. A telecommunication receiver for receiving, from multiple antennas, related data having different delays, the receiver comprising:
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an input buffer for buffering the data for each antenna separately as buffered input data, wherein the input buffer is arranged for buffering per antenna the amount of data which corresponds with twice an amount of data that can be submitted to a Fourier transform unit for selecting relevant data, the Fourier transform unit for selecting, from the buffered input data, relevant input data and Fourier transforming the relevant input data into transformed data for each antenna separately as soon as the relevant input data are available, and an output buffer for buffering the transformed data for each antenna separately as buffered output data until a predetermined amount of transformed data from all antennas is buffered. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method of receiving from multiple antennas related data having different delays, the method comprising:
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identifying data received from the antennas by using a unique identification for each antenna, and identifying the antenna having the longest delay is identified beforehand, buffering the data for each antenna separately as buffered input data the amount of data which corresponds with twice an amount of data that can be submitted to a Fourier transform unit for selecting relevant data, selecting, from the buffered input data, relevant input data and Fourier transforming, using the Fourier transform unit, the relevant input data into transformed data for each antenna separately as soon as the relevant input data are available, and buffering the transformed data for each antenna separately as buffered output data until a predetermined amount of transformed data from the antenna having the longest delay is buffered. - View Dependent Claims (15, 16, 17)
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18. A computer program product comprising instructions stored in a non-transitory machine-readable storage medium for causing a processor system to perform a method of receiving data in a telecommunication receiver, the method comprising:
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buffering the data for each antenna separately as buffered input data the amount of data which corresponds with twice an amount of data that can be submitted to a Fourier transform unit for selecting relevant data, selecting, from the buffered input data, relevant input data and Fourier transforming, using the Fourier transform unit, the relevant input data into transformed data for each antenna separately as soon as the buffered input data are available, and buffering the transformed data for each antenna separately as buffered output data until a predetermined amount of transformed data from all antennas is buffered.
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19. A non-transitory tangible computer readable storage medium comprising data loadable in a programmable apparatus, the loadable data representing instructions executable by the programmable apparatus, said instructions comprising:
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one or more processor instructions for buffering data for each antenna of multiple antenna having different delays separately as buffered input data, one or more processor instructions for identifying the data received from the antennas by using a unique identification for each antenna, and identifying the antenna having the longest delay is identified beforehand, one or more processor instructions for buffering the data for each antenna separately as buffered input data the amount of data which corresponds with twice an amount of data that can be submitted to a Fourier transform unit for selecting relevant data, one or more processor instructions for selecting, from the buffered input data, relevant input data and Fourier transforming, using the Fourier transform unit, the relevant input data into transformed data for each antenna separately as soon as the relevant input data are available, and one or more processor instructions for buffering the transformed data for each antenna separately as buffered output data until a predetermined amount of transformed data from the antenna having the longest delay is buffered.
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Specification