Frame and data pattern structure for multi-carrier systems
First Claim
1. A transmitting apparatus for transmitting signals in a multi carrier system on the basis of a frame structure, said transmitting apparatus comprising:
- a frame former that forms frames of said frame structure, each frame comprising at least two signaling patterns adjacent to each other in a frequency direction and one or more data patterns following the at least two signaling patterns in a time direction in a time slot immediately succeeding a time slot in which the at least two signaling patterns are located, wherein each of the data patterns succeeding the at least two signaling patterns is respectively followed by further data patterns in succeeding time slots in the time direction, wherein all data patterns following each other in the time direction have a same frequency direction structure, each of the at least two signaling patterns and the one or more data patterns comprising a plurality of frequency carriers, that arranges signaling data in each of said at least two signaling patterns in a frame, and that arranges data and at least one pilot signal in said one or more data patterns in the frame, wherein a length of each of said one or more data patterns in the frequency direction is equal to or a multiple of a minimum data pattern length;
a transformer that transforms said at least two signaling patterns and said one or more data patterns from the frequency domain into the time domain to generate a time domain transmission signal; and
a transmitter that transmits said time domain transmission signal.
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Accused Products
Abstract
The present invention relates to a transmitting apparatus (54) for transmitting signals in a multi carrier system on the basis of a frame structure, each frame comprising at least one signalling pattern and one or more data patterns, said transmitting apparatus comprising
frame forming means (59) adapted to arrange signalling data in said at least one signalling pattern in a frame, and to arrange data and at least one pilot signal in said one or more data patterns in a frame, whereby the length of each of said one or more data patterns in the frequency direction is equal to or a multiple of a minimum data pattern length, transforming means (60) adapted to transform said at least one signalling pattern and said one or more data patterns from the frequency domain into the time domain in order to generate a time domain transmission signal, and transmitting means (61) adapted to transmit said time domain transmission signal. The present invention further relates to a corresponding transmitting method and a frame structure as well as a receiving apparatus and method, as well as a transmitting and receiving system and method.
65 Citations
19 Claims
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1. A transmitting apparatus for transmitting signals in a multi carrier system on the basis of a frame structure, said transmitting apparatus comprising:
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a frame former that forms frames of said frame structure, each frame comprising at least two signaling patterns adjacent to each other in a frequency direction and one or more data patterns following the at least two signaling patterns in a time direction in a time slot immediately succeeding a time slot in which the at least two signaling patterns are located, wherein each of the data patterns succeeding the at least two signaling patterns is respectively followed by further data patterns in succeeding time slots in the time direction, wherein all data patterns following each other in the time direction have a same frequency direction structure, each of the at least two signaling patterns and the one or more data patterns comprising a plurality of frequency carriers, that arranges signaling data in each of said at least two signaling patterns in a frame, and that arranges data and at least one pilot signal in said one or more data patterns in the frame, wherein a length of each of said one or more data patterns in the frequency direction is equal to or a multiple of a minimum data pattern length; a transformer that transforms said at least two signaling patterns and said one or more data patterns from the frequency domain into the time domain to generate a time domain transmission signal; and a transmitter that transmits said time domain transmission signal. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A transmitting method for transmitting signals in a multi carrier system on the basis of a frame structure, the method comprising:
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forming frames of said frame structure, each frame comprising at least two signaling patterns adjacent to each other in a frequency direction and one or more data patterns following the at least two signaling patterns in a time direction in a time slot immediately succeeding a time slot in which the at least two signaling patterns are located, wherein each of the data patterns succeeding the at least two signaling patterns is respectively followed by further data patterns in succeeding time slots in the time direction, wherein all data patterns following each other in the time direction have a same frequency direction structure, each of the at least two signaling patterns and the one or more data pattern comprising a plurality of frequency carriers; arranging signaling data in each of said at least two signaling patterns in a frame; arranging data and at least one pilot signal in said one or more data patterns in the frame, wherein a length of each of said one or more data patterns in the frequency direction is equal to or a multiple of a minimum data pattern length; transforming said at least two signaling patterns and said one or more data patterns from the frequency domain into the time domain in order to generate a time domain transmission signal; and transmitting said time domain transmission signal.
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8. A receiving apparatus for receiving signals in a multi carrier system on the basis of a frame structure in a transmission bandwidth, each frame comprising at least two signaling patterns adjacent to each other in a frequency direction and one or more data patterns following the at least two signaling patterns in a time direction in a time slot immediately succeeding a time slot in which the at least two signaling patterns are located, wherein each of the data patterns succeeding the at least two signaling patterns is respectively followed by further data patterns in succeeding time slots in the time direction, wherein all data patterns following each other in the time direction have a same frequency direction structure, each of the at least two signaling patterns and the one or more data patterns comprising a plurality of frequency carriers, wherein each frame comprises signaling data in each of said at least two signaling patterns and one or more data patterns with data and pilot signals, wherein a length of each of said one or more data patterns in the frequency direction is equal to or a multiple of a minimum data pattern length, said receiving apparatus comprising
a receiver configured to be tuned to and to receive a selected part of said transmission bandwidth, said selected part of said transmission bandwidth covering at least one data pattern to be received; -
a channel estimator that performs a channel estimation on the basis of pilot signals comprised in a received data pattern; and a data de-mapper that de-maps data from frequency carriers of the received data pattern on the basis of a result of said channel estimation. - View Dependent Claims (9, 10, 11, 12, 13)
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14. A receiving method for receiving signals in a multi carrier system on the basis of a frame structure in a transmission bandwidth, each frame comprising at least two signaling patterns adjacent to each other in a frequency direction and one or more data patterns following the at least two signaling patterns in a time direction in a time slot immediately succeeding a time slot in which the at least two signaling patterns are located, wherein each of the data patterns succeeding the at least two signaling patterns is respectively followed by further data patterns in succeeding time slots in the time direction, wherein all data patterns following each other in the time direction have a same frequency direction structure, each of the at least two signaling patterns and the one or more data patterns comprising a plurality of frequency carriers, wherein each frame comprises signaling data in each of said at least two signaling patterns and one or more data patterns with data and pilot signals, wherein a length of each of said one or more data patterns in the frequency direction is equal to or a multiple of a minimum data pattern length, the method comprising:
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receiving a selected part of said transmission bandwidth, said selected part of said transmission bandwidth covering at least one data pattern to be received; performing a channel estimation on the basis of pilot signals included in a received data pattern; and de-mapping data from frequency carriers of the received data pattern on the basis of the result of said channel estimation. - View Dependent Claims (16)
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15. A system for transmitting and receiving signals, comprising:
a transmitting apparatus, said transmitting apparatus including a frame former that forms frames of said frame structure, each frame comprising at least two signaling patterns adjacent to each other in a frequency direction and one or more data patterns following the at least two signaling patterns in a time direction in a time slot immediately succeeding a time slot in which the at least two signaling patterns are located, wherein each of the data patterns succeeding the at least two signaling patterns is respectively followed by further data patterns in succeeding time slots in the time direction, wherein all data patterns following each other in the time direction have a same frequency direction structure, each of the at least two signaling patterns and the one or more data patterns comprising a plurality of frequency carriers, that arranges signaling data in each of said at least two signaling patterns in a frame, and that arranges data and at least one pilot signal in said one or more data patterns in the frame, wherein a length of each of said one or more data patterns in the frequency direction is equal to or a multiple of a minimum data pattern length; a transformer that transforms said at least two signaling patterns and said one or more data patterns from the frequency domain into the time domain to generate a time domain transmission signal; a transmitter that transmits said time domain transmission signal; and that receives said time domain transmission signal from said transmitting apparatus.
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17. A transmitting apparatus for transmitting signals in a multi carrier system on the basis of a frame structure, said transmitting apparatus comprising:
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means for forming frames of said frame structure, each frame comprising at least two signaling patterns adjacent to each other in a frequency direction and one or more data patterns following the at least two signaling patterns in a time direction in a time slot immediately succeeding a time slot in which the at least two signaling patterns are located, wherein each of the data patterns succeeding the at least two signaling patterns is respectively followed by further data patterns in succeeding time slots in the time direction, wherein all data patterns following each other in the time direction have a same frequency direction structure, each of the at least two signaling patterns and the one or more data patterns comprising a plurality of frequency carriers, for arranging signaling data in each of said at least two signaling patterns in a frame, and for arranging data and at least one pilot signal in said one or more data patterns in a frame, wherein a length of each of said one or more data patterns in the frequency direction is equal to or a multiple of a minimum data pattern length; means for transforming said at least two signaling patterns and said one or more data patterns from the frequency domain into the time domain in order to generate a time domain transmission signal; and means for transmitting said time domain transmission signal.
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18. A receiving apparatus for receiving signals in a multi carrier system on the basis of a frame structure in a transmission bandwidth, each frame comprising at least two signaling patterns adjacent to each other in a frequency direction and one or more data patterns following the at least two signaling patterns in a time direction in the time slot immediately succeeding the time slot in which the at least two signaling patterns are located, wherein each of the data patterns succeeding the at least two signaling patterns is respectively followed by further data patterns in succeeding time slots in the time direction, wherein all data patterns following each other in the time direction have a same frequency direction structure, each of the at least two signaling patterns and the one or more data patterns comprising a plurality of frequency carriers, wherein each frame comprises signaling data in each of said at least two signaling patterns and one or more data patterns with data and pilot signals, wherein a length of each of said one or more data patterns in the frequency direction is equal to or a multiple of a minimum data pattern length, said receiving apparatus comprising:
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means for tuning and receiving a selected part of said transmission bandwidth, said selected part of said transmission bandwidth covering at least one data pattern to be received; means for performing a channel estimation on the basis of pilot signals comprised in a received data pattern; and means for de-mapping data from frequency carriers of the received data pattern on the basis of the result of said channel estimation. - View Dependent Claims (19)
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Specification