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Signal sending method and terminal

A transmission method and signal technology, applied in the field of communication, can solve the problems of rising bit error rate of SSB detection and low success rate of PSS detection of main synchronization signal, and achieve the effects of improving coverage distance, improving detection success rate, and reducing bit error rate.

Active Publication Date: 2020-05-12
DATANG MOBILE COMM EQUIP CO LTD
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Problems solved by technology

[0008] The embodiment of the present invention provides a signal sending method and terminal, which solves the problem of increased bit error rate of SSB detection caused by low detection success rate of primary synchronization signal PSS

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  • Signal sending method and terminal
  • Signal sending method and terminal
  • Signal sending method and terminal

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Embodiment Construction

[0040] Hereinafter, exemplary embodiments of the present invention will be described in more detail with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided to enable a more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0041] The embodiment of the present invention provides a signal sending method for sending synchronization and broadcast signals in a wireless channel, which improves the detection success rate of the PSS, reduces the error rate of the SSB detection, and improves the coverage of the SSB.

[0042] Such as figure 2 As shown, the embodiment of the present invention provides a signal sending method, including:

[0043]...

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Abstract

The invention discloses a signal sending method and a terminal, and the method comprises the steps: sending synchronization signal block SSBs in each time slot of a group of time slots, wherein each time slot comprises at least two SSBs, and the sequence lengths of the primary synchronization signal PSS and the secondary synchronization signal SSS in each SSB are different, and the SSB is a combined block of a primary synchronization signal PSS, a secondary synchronization signal SSS and a physical broadcast channel PBCH. According to the scheme provided by the invention, the detection successrate of the primary synchronization signal PSS can be improved, so that the bit error rate of SSB detection is reduced, and the coverage distance of the synchronization signal block is increased.

Description

Technical field [0001] The present invention relates to the field of communication technology, and in particular to a signal transmission method and terminal. Background technique [0002] In the 5G NR (NR Radio Access, new wireless access technology) V2X system, a PC5 port (Sidelink) is used for direct communication between the terminal and the terminal. Before the service data transmission, the two terminals that need to communicate first need to establish synchronization on the PC5 port (Sidelink). The method to establish synchronization is that one terminal A sends synchronization and broadcast signals, and the other terminal B receives the synchronization and broadcast signals sent by terminal A. Once terminal B receives and demodulates successfully, the two terminals can establish synchronization. Communication is ready. [0003] The synchronization signal of the NR UU port is carried by SSB (Synchronization Signal Block). Each Slot carries 2 SSB blocks and there is no tim...

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Application Information

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IPC IPC(8): H04L5/00H04W4/40
CPCH04L5/0053H04L5/0048H04L5/0007H04W4/40
Inventor 任晓涛郑方政赵锐
Owner DATANG MOBILE COMM EQUIP CO LTD
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