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Transmission and receiving method and end of the mobile digital multi-media broadcast physical layer signaling information

A technology of physical layer signaling and multimedia broadcasting, which is applied in the field of mobile digital multimedia broadcasting communication, can solve the problems of low signaling transmission efficiency and high decoding complexity, so as to reduce decoding complexity, improve decoding efficiency, and be flexible and diverse The effect of the transmission method

Inactive Publication Date: 2007-08-15
이노피데이인코포레이티드
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present invention provides a mobile digital multimedia broadcasting physical layer signaling information sending method and a sending end, which are used to solve the problems of high decoding complexity and low signaling transmission efficiency at the mobile digital multimedia broadcasting physical layer signaling receiving end in the prior art

Method used

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  • Transmission and receiving method and end of the mobile digital multi-media broadcast physical layer signaling information
  • Transmission and receiving method and end of the mobile digital multi-media broadcast physical layer signaling information
  • Transmission and receiving method and end of the mobile digital multi-media broadcast physical layer signaling information

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Embodiment 1

[0067] This embodiment describes the process of adding source coding mode information to mobile digital multimedia physical layer signaling and using part of continuous pilots to transmit the physical layer signaling.

[0068] First, add the information to be transmitted in the physical layer signaling, including: time slot number, byte interleaver synchronization identifier, configuration change indication, LDPC coding method, RS coding method, interleaving method, modulation method and source coding mode information . These information are used as the configuration information of the communication network, and the receiving end can only demodulate the source information correctly after knowing the information. The content of the physical layer signaling information is shown in Table 1.

[0069] Then, some pilots are selected from the continuous pilots shown in Table 2 to carry physical layer signaling.

[0070] In this embodiment, if the service bandwidth mode is 8MHz, the...

Embodiment 2

[0081] This embodiment describes the process of adding source coding mode information to mobile digital multimedia physical layer signaling and using idle data subcarriers to transmit the physical layer signaling.

[0082] First, add the information to be transmitted in the physical layer signaling, including: time slot number, byte interleaver synchronization identifier, configuration change indication, LDPC coding method, RS coding method, interleaving method, modulation method and source coding mode information . These information are used as the configuration information of the communication network, and the receiving end can only demodulate the source information correctly after knowing the information. The content of the physical layer signaling information is shown in Table 1.

[0083] Then, a part or all of the data subcarriers are selected from the idle data subcarriers to carry physical layer signaling.

[0084] In this embodiment, if the service bandwidth mode is ...

Embodiment 3

[0094] This embodiment describes the process of adding source coding mode information to mobile digital multimedia physical layer signaling, and transmitting the physical layer signaling in a manner of mixing partial continuous pilots and idle data subcarriers.

[0095] First, add the information to be transmitted in the physical layer signaling, including: time slot number, byte interleaver synchronization identifier, configuration change indication, LDPC coding method, RS coding method, interleaving method, modulation method and source coding mode information . These information are used as the configuration information of the communication network, and the receiving end can only demodulate the source information correctly after knowing the information.

[0096] Since the source coding mode, configuration change indication and byte interleaver synchronization flag are slow-changing information with poor real-time performance and do not change in a time slot, using idle data ...

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Abstract

The disclosed signaling message transmitting and receiving method for mobile digital multimedia broadcast physical layer comprises: adding message source coding mode information into the signaling message, modulating and sending the signaling message; demodulating the signaling message to obtain the coding mode information. Wherein, it can use single carrier wave, data sub-carrier and pilot frequency in OFDM system. This invention reduces decoding complexity.

Description

technical field [0001] The present invention relates to the field of mobile digital multimedia broadcasting communication, in particular to a method for sending physical layer signaling information of mobile digital multimedia broadcasting, a receiving method, and a sending end and a receiving end of the physical layer signaling of mobile digital multimedia broadcasting. Background technique [0002] In the mobile digital multimedia broadcasting system, signaling is a kind of dialogue information transmitted between the receiving end and the transmitting end, and between the transmitting end and the transmitting end. Its role is to control the connection of the channel and transfer network management information. Signaling, as control information, is redundant with respect to the signal source. Under the condition of fixed signal-to-noise ratio and signal source transmission rate, adding signaling information needs to increase the system bandwidth. Signaling is the configur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04M11/08H04H1/00H04N5/44H04N7/173H04H20/00
Inventor (要求不公开姓名)
Owner 이노피데이인코포레이티드
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