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Mapping apparatus and method for transmission of data in a multi-carrier broadcast system

A data mapping and broadcasting system technology, applied in diversity/multi-antenna systems, transmission systems, space transmit diversity, etc., can solve problems such as low power consumption and high robustness

Active Publication Date: 2012-11-14
SONY CORP
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  • Application Information

AI Technical Summary

Problems solved by technology

In addition, such mobile receivers have to take into account the specific requirements of mobile and handheld reception, namely, low power consumption and high robustness

Method used

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  • Mapping apparatus and method for transmission of data in a multi-carrier broadcast system
  • Mapping apparatus and method for transmission of data in a multi-carrier broadcast system
  • Mapping apparatus and method for transmission of data in a multi-carrier broadcast system

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Embodiment Construction

[0098] figure 1 A block diagram of a mapping device 10 according to the invention is shown. The apparatus 10 is arranged for mapping payload data of a mapping input data stream S1, S2..., Sn onto a mapping output data stream Q having a (predetermined) channel bandwidth for transmission in a multicarrier broadcast system. Each of the mapping input data streams S1, S2..., Sn is subdivided into data blocks (also called bursts, sub-slices or data patterns) carrying payload data, which are, as will be explained below, received by the transmitter's Preprocessing of other components. A data input 12 receives said mapping input data streams S1, S2..., Sn. In addition, signaling data Si is received by said data input 12 .

[0099] Two different framing units 14 and 16 are provided for framing and mapping received data blocks of the mapping input data stream onto frames. The first frame forming unit 14 maps data blocks of a first set of mapping input data streams (eg mapping input d...

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Abstract

The present invention relates to an apparatus and a corresponding method for mapping payload data of mapping input data streams (S1, S2,..., Sp) onto a mapping output data stream (Q) having a channel bandwidth for transmission in a multi- carrier broadcast system. To enable the selection of the robustness for the transmission of data, said apparatus comprises a frame forming means (16, 64) for mapping the data blocks of said at least two mapping input data streams (S1, S2,..., Sp) onto frames (F) of said mapping output data stream (Q) covering said channel bandwidth, each frame (F) comprising a payload portion (50), said payload portion (50) comprising a plurality of data symbols (52)and being segmented into data segments (51) each covering a bandwidth portion of said channel bandwidth, wherein the frame forming means (64); is adapted for mapping the data blocks of said at least two mapping input data streams (S1, S2,..., Sp) onto the data symbols (52) of said pay-load portion (50) and comprises a MIMO mode selection means (1614, 1682) for selecting the MIMO mode of the data blocks per data segment (51) and / or per map- ping input data stream (S1, S2,..., Sp).

Description

technical field [0001] The invention relates to a device for mapping payload data of a mapping input data stream onto a mapping output data stream having a channel bandwidth for transmission in a multicarrier broadcast system. In addition, the present invention relates to a transmission device for transmitting data in a multi-carrier broadcast system. Furthermore, the invention relates to a corresponding method and a computer program for implementing said method on a computer. [0002] For example, the present invention relates to the field of Digital Video Broadcasting (DVB) utilizing Orthogonal Frequency Division Multiplexing (OFDM). In addition, the present invention can generally be applied in other broadcast systems, such as DAB (Digital Audio Broadcasting), DRM (Digital Radio Worldwide), MediaFlo, ISDB system or the future ATSC system. However, it should be noted that the invention is not limited to the use of OFDM, but is generally applicable in all multi-carrier broa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/06
CPCH04B7/0689H04L5/005H04L5/0042H04L5/0023H04L1/0041H04L1/0048H04L1/0057H04L5/0048
Inventor 罗萨尔·斯塔德尔迈耶纳比尔·罗金乔格·罗伯特塞缪尔·阿桑本格·阿通西里
Owner SONY CORP
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