NEW FRAME AND DATA PATTERN STRUCTURE FOR MULTI-CARRIER SYSTEMS
First Claim
1. 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.
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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.
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Citations
17 Claims
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1. 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.
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7. Transmitting method 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, comprising the steps of
arranging signalling data in said at least one signalling pattern in a frame, arranging 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 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 said time domain transmission signal.
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8. Frame pattern for a multi carrier system, comprising one signalling pattern and one or more data patterns, wherein data and at least one pilot signal are arranged in each of said one or more data patterns in the frame, and wherein 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.
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9. Receiving apparatus (63) for receiving signals in a multi carrier system on the basis of a frame structure in a transmission bandwidth, each frame comprising one or more data patterns with data and pilot signals, 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,
said receiving apparatus (63) comprising receiving means (65) adapted 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, channel estimation means (69) adapted to perform a channel estimation on the basis of pilot signals comprised in a received data pattern and data de-mapping means (70) adapted to de-map data from frequency carriers of a received data pattern on the basis of the result of said channel estimation.
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15. Receiving method for receiving signals in a multi carrier system on the basis of a frame structure in a transmission bandwidth, each frame comprising one or more data patterns with data and pilot signals, 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, comprising the steps of 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 comprised in a received data pattern, and
de-mapping data from frequency carriers of a received data pattern on the basis of the result of said channel estimation.
Specification