Training prefix modulation method and receiver
First Claim
1. A method for reconstructing a signal including a data block having a first inter-block-interference and a training block having a second inter-block-interference, said method comprising:
- reconstructing the data block to exclude the first inter-block-interference; and
reconstructing the data block to include the second inter-block-interference.
4 Assignments
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Accused Products
Abstract
A receiver for implementing a training prefix modulation method in response to a reception of a signal propagating through a channel is disclosed. The signal as received includes training blocks with each training block having a data inter-block-interference therein, and data blocks with each data block having a training inter-block-interference therein. The signal is selectively reconstructed to provide a circular appearance of the channel over the data blocks. Specifically, an estimate of the training inter-block-interferences is generated and subtracted from the data blocks. And, an estimate of the data inter-block interferences is generated and added to the data blocks.
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Citations
35 Claims
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1. A method for reconstructing a signal including a data block having a first inter-block-interference and a training block having a second inter-block-interference, said method comprising:
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reconstructing the data block to exclude the first inter-block-interference; and
reconstructing the data block to include the second inter-block-interference. - View Dependent Claims (2, 3, 4)
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5. A receiver, comprising:
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a buffer operable to store a signal including a data block having a first inter-block-interference and a training block having a second inter-block-interference; and
one or more modules operable to reconstruct the data block to exclude the first inter-block-interference and to include the second inter-block-interference.
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6. A method for reconstructing a signal including a data block having a first inter-block-interference and a training block having a second inter-block-interference, said method comprising:
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replacing the training block with a null block; and
constructing the null block to include the second inter-block-interference. - View Dependent Claims (7, 8, 9)
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10. A receiver, comprising:
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a buffer operable to store a signal including a data block having a first inter-block-interference and a training block having a second inter-block-interference; and
one or more modules operable to replace the training block with a null block and to construct the null block to include the second inter-block-interference. - View Dependent Claims (11, 12, 13)
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14. A method for processing a signal propagating through a channel, the signal including a data block and a training block, the data block including information and a first inter-block-interference, the training block including a second inter-block-interference, said method comprising:
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receiving the signal;
selectively executing one or more reconstructions of the data block to exclude the first inter-block-interference and to include the second inter-block-interference; and
demodulating the signal as received or reconstructed whereby the information is detected.
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15. A receiver for receiving a signal propagating through a channel, the signal including a data block and a training block, the data block including information and a first inter-block-interference, the training block including a second inter-block-interference, said receiver comprising:
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a buffer operable to store the signal; and
one or more modules operable to executing one or more reconstructions of the data block to exclude the first inter-block-interference and to include the second inter-block-interference, said one or more modules further operable to demodulate the signal as received or as reconstructed whereby the information is detected.
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16. A method for reconstructing a signal including a data block having a first inter-block-interference and a training block having a second inter-block-interference, said method comprising:
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generating an estimate of the first inter-block interference;
subtracting the estimate of the first inter-block interference from the data block; and
reconstructing the data block to include the second inter-block-interference. - View Dependent Claims (17)
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18. A method for reconstructing a signal including a data block having a first inter-block-interference and a training block having a second inter-block-interference, said method comprising:
reconstructing the data block to exclude the first inter-block-interference;
generating an estimate of the second inter-block interference; and
adding the estimate of the second inter-block interference to the data block. - View Dependent Claims (19)
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20. A receiver, comprising:
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a buffer operable to a store a signal including a data block having a first inter-block-interference and a training block having a second inter-block-interference; and
one or more modules operable to generate an estimate of the first inter-block-interference, to subtract the estimate of the first inter-block-interference from the data block, and to reconstruct the data block to include the second inter-block-interference. - View Dependent Claims (21)
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22. A receiver, comprising:
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a buffer operable to store a signal including a data block having a first inter-block-interference and a training block having a second inter-block-interference; and
one or more modules operable to reconstruct the data block to exclude the first inter-block-interference, to generate an estimate of the second inter-block-interference, and to add the estimate of the second inter-block-interference to the data block. - View Dependent Claims (23)
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24. A method for facilitating a detection of data symbols within a received signal block, said method comprising:
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applying frequency-domain equalization to the received signal;
transforming the equalized frequency-domain signal from the frequency domain to an equalized time domain signal;
removing a guard period from the equalized time-domain signal; and
transforming the equalized time-domain signal without the guard period from the time domain to the frequency domain.
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25. A receiver, comprising:
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a buffer operable to store a signal including a data block and a guard period; and
one or more modules operable to apply frequency-domain equalization to the signal, to transform the equalized signal from the frequency domain to an equalized time-domain signal, to remove the guard period from the equalized time-domain signal, and to transform the equalized time-domain signal without the guard period from the time domain to the frequency domain.
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26. A method for processing a signal including a data block having a first inter-block-interference and a training block having a second inter-block-interference, said method comprising:
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generating an estimate of the first inter-block interference and the second inter-block interference;
detecting a plurality of symbols within the data block based upon the estimate of the first inter-block interference and the estimate of the second inter-block interference;
remodulating the detected symbols; and
resynthesizing the estimate of the first inter-block interference and the estimate of the second inter-block interference based upon the remodulation of the detected symbols. - View Dependent Claims (27)
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28. A receiver, comprising:
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a buffer operable to store a signal including a data block and a guard period; and
one or more modules operable to generate an estimate of the first inter-block interference and the second inter-block interference, to detect a plurality of symbols within the data block based upon the estimate of the first inter-block interference and the estimate of the second inter-block interference, to remodulate the detected symbols; and
to resynthesize the estimate of the first inter-block interference and the estimate of the second inter-block interference based upon the remodulation of the detected symbols.
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29. A method for creating a multicarrier signal having no cyclic extensions, the method comprising the steps of:
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generating a plurality of multicarrier data blocks, each multicarrier data block having no cyclic extension;
generating a plurality of training sequences that are not copies of portions of the plurality of multicarrier data blocks;
extending each of the plurality of multicarrier data blocks by adding one of the plurality of training sequences to create the multicarrier signal. - View Dependent Claims (30, 31, 32)
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33. A method for creating a multicarrier signal, the method comprising the steps of:
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generating a plurality of multicarrier data blocks;
generating a training sequence, that is not a copy of a portion of the multicarrier data blocks;
extending a multicarrier data block by adding the training sequence to create the multicarrier signal, wherein there exists no cyclic extension between the data block and the training sequence. - View Dependent Claims (34, 35)
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Specification