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A signal sending method and terminal

A sending method and signal technology, applied in the direction of digital transmission system, baseband system components, baseband system, etc., can solve the problems of SSB detection bit error rate increase, SSB received signal strength changes greatly, etc., to solve the problem of detection bit error rate increase Effect

Active Publication Date: 2022-03-29
DATANG MOBILE COMM EQUIP CO LTD
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Problems solved by technology

[0009] Embodiments of the present invention provide a signal sending method and a terminal, which solve the problem of an increase in the bit error rate of SSB detection caused by large changes in the received signal strength of SSB on the direct link

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  • A signal sending method and terminal
  • A signal sending method and terminal
  • A signal sending method and terminal

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Embodiment Construction

[0043]Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the drawings, it should be understood that the invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0044] The embodiment of the present invention transmits the synchronization signal block in the wireless channel, which reduces the bit error rate of SSB detection and improves the coverage of SSB.

[0045] Such as figure 2 As shown, the signal sending method provided by the embodiment of the present invention includes:

[0046] Step 21, in each time slot of a group of time slots, transmit a synchronization signal block SSB; each time slot in...

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Abstract

The present invention discloses a signal sending method and a terminal, wherein the signal sending method includes: sending a synchronization signal block SSB in each time slot of a group of time slots; each time slot includes at least two SSBs, each There is a reference signal occupying at least one orthogonal frequency division multiplexing OFDM symbol in front of each SSB; the SSB is a combined block of the primary synchronization signal PSS, the secondary synchronization signal SSS and the physical broadcast channel. The scheme of the invention can reduce the bit error rate of SSB detection and improve the coverage distance of the synchronous signal block.

Description

technical field [0001] The present invention relates to the field of communication technologies, and in particular to a signal sending method and a terminal. Background technique [0002] In the 5G NR (NR Radio Access, new wireless access technology) system, the PC5 port (Sidelink, direct link) is used for direct communication between terminals. Before the business data transmission, it is first necessary to establish synchronization between the two communicating terminals on the PC5 port (Sidelink). The method of establishing synchronization is that one terminal A sends synchronization and broadcast signals, and another 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, which is the next step. Communication is ready. [0003] The synchronization signal of the NR UU port is carried by an SSB block (Synchronization Signal Block, synchronizat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L25/02H04L27/26
CPCH04L25/0224H04L27/2602H04L27/2662H04L27/26H04L25/02
Inventor 任晓涛赵锐郑方政
Owner DATANG MOBILE COMM EQUIP CO LTD
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