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Method for multiplexing data and control information

A technology of data information and control information, applied in communication between multiple stations, error prevention/detection using return channel, multi-frequency code system, etc., can solve problems such as transmission errors, increase in code block decoding power, etc.

Active Publication Date: 2011-01-26
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Third, the starting point of the circular buffer for the next redundant version should not be affected by the presence or absence of control information
However, if the error probability is high in the last code block due to the transmission environment and code rate, the error will only occur in the last code block
In that case, error detection is performed after decoding all code blocks, the determination of transmission errors is delayed, and the power consumed for decoding code blocks increases

Method used

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  • Method for multiplexing data and control information
  • Method for multiplexing data and control information
  • Method for multiplexing data and control information

Examples

Experimental program
Comparison scheme
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Embodiment approach 1

[0076] Figure 7 A method for multiplexing and mapping data information and control information to resource element sets according to an exemplary embodiment of the present invention is illustrated.

[0077] refer to Figure 7 , the control information 1 is mapped in the direction of the time axis (symbol axis), and the control information 2 is mapped to the resource element corresponding to the next symbol to which the RS is mapped. That is, the control information 2 is mapped to the above-mentioned first symbol period region.

[0078] Control Information 1 is mapped to Figure 7In one or more consecutive resource elements including the last resource element in the entire area of ​​excluding the resource element allocated for RS mapping. The control information 1 can be mapped in the order of (1)→(2). That is, the control information 1 can be mapped from the first resource element of the area to the resource element to which the control information 1 is mapped in the orde...

Embodiment approach 2

[0083] Figure 8 A method for multiplexing and mapping data information and control information to resource element sets according to another exemplary embodiment of the present invention is illustrated.

[0084] Figure 8 , control message 1 follows the same Figure 7 Mapping is done in the same way as used in . Control information 2 and control information 3 are mapped to the first symbol period region. Control information 2 is mapped to the first symbol period area in forward, backward, or specific mapping order. The control information 3 is mapped to areas other than the area to which the control information 2 is mapped in the first symbol period area in forward, backward, or specific mapping order. If control information 3 does not exist, then Figure 8 method with Figure 7 The method is the same.

[0085] exist Figure 8 In the control information 1, the data information is not punched out. In other words, the control information 1 matches the data information ...

Embodiment approach 3

[0089] Figure 9 A method for multiplexing and mapping data information and control information to resource element sets according to another exemplary embodiment of the present invention is illustrated.

[0090] Figure 9 , control message 1 follows the same Figure 7 Mapping is done in the same way as used in . Control information 2 and control information 3 are mapped to resource elements in the first symbol period region. Control information 2 is mapped to the first symbol period area in forward, backward, or specific mapping order. The control information 3 is mapped to the first symbol period areas in the first symbol period area except the area to which the control information 1 is mapped according to forward, backward or specific mapping order. If control information 2 does not exist, it is discarded by Figure 9 Control information 1 and control information 3 are mapped in the way of control information 2 in , if control information 3 does not exist, it is discar...

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Abstract

A method for multiplexing a data information stream, including a systematic symbol and a non-systematic symbol, and a control information stream of at least three types in a wireless mobile communication system is disclosed. The method includes mapping the data information stream to a resource area so that the systematic symbol is not mapped to a specific resource area to which the control information stream is mapped, and mapping the control information stream to the specific resource area.

Description

technical field [0001] The invention relates to a method for multiplexing data sequences and control sequences and mapping the multiplexed sequences to physical channels in a wireless mobile communication system. Background technique [0002] Data sequences and control sequences sent from the medium access control (MAC) layer to the physical layer are coded, and then transmission and control services are provided through a wireless transmission link. Channel coding schemes include a combination of error detection, error correction, rate matching, interleaving, and the process of mapping transport channel information or control information to physical channels. Data transmitted from the MAC layer includes systematic bits and non-systematic bits according to an encoding scheme. The unsystematic bits may be parity bits. [0003] In the 3rd Generation Partnership Project (3GPP), the Uplink Shared Channel (UL-SCH) and Random Access Channel (RACH) of the Uplink Transport Channel...

Claims

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Application Information

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IPC IPC(8): H04B7/26H04L1/18H04L27/26
Inventor 金起焕郑载薰李文日
Owner LG ELECTRONICS INC