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Lead code sending method and device and lead code receiving method and device

A sending method and preamble technology, applied in the field of communication, can solve the problems of increasing processing delay, long equalization time, reducing transmission efficiency, etc., and achieve the goal of reducing processing delay, increasing processing delay, and improving transmission efficiency Effect

Pending Publication Date: 2021-03-12
ZTE CORP
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  • Claims
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Problems solved by technology

[0005] Embodiments of the present invention provide a method and device for sending a preamble, and a method and device for receiving a preamble, so as to at least solve the problem in related technologies that the preamble is not conducive to the convergence of the equalizer, which will cause long equalization time, reduce transmission efficiency, increase Technical solution to the problem of large processing delay

Method used

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  • Lead code sending method and device and lead code receiving method and device
  • Lead code sending method and device and lead code receiving method and device
  • Lead code sending method and device and lead code receiving method and device

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Embodiment Construction

[0033] Embodiments of the present invention will be described in detail below with reference to the drawings and in combination with the embodiments.

[0034] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence.

[0035] The method embodiments provided in the embodiments of the present application may be executed in a computer terminal or a similar computing device. Take running on a computer terminal as an example, figure 1 It is a hardware structural block diagram of a computer terminal according to a processing method for sending a preamble in an embodiment of the present invention. Such as figure 1 As shown, the computer terminal may include one or more ( figure 1Only one is shown in ) a processor 102 (the processor 102 may include but not limited to a processing device such as a mi...

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Abstract

Embodiments of the present invention provide a lead code sending method and device, and a lead code receiving method and device. The sending method comprises the steps: sending a lead code comprisingtwo or more code pattern sequences, wherein the two or more code pattern sequences comprise a first code pattern sequence and a second code pattern sequence; according to the invention, the lead codesare enabled to support different code pattern sequences, and functions corresponding to the different code pattern sequences are utilized to realize rapid transmission of the lead codes, thereby realizing rapid balanced convergence after the rate of the passive optical network is improved, improving the transmission efficiency and reducing the processing time delay. By adopting the technical scheme, the problems of long equalization time, reduction of transmission efficiency, increase of processing time delay and the like due to the fact that lead codes are not beneficial to convergence of anequalizer in related technologies are solved.

Description

technical field [0001] Embodiments of the present invention relate to the communication field, and in particular, relate to a method and device for sending a preamble, and a method and device for receiving a preamble. Background technique [0002] At present, in the prior art, the uplink of PON (Passive Optical Network, PON for short) adopts time division multiple access technology, and different ONUs (Optical Network Unit, optical network unit, ONU for short) send uplink bursts at different times. When sending a signal, OLT (Optical Line terminal, OLT for short) must first perform burst clock recovery on different burst packets when receiving, and the data cannot be received normally before the clock recovery is completed. In order to prevent data loss during this period, At the beginning of the uplink burst packet, a 1010 sequence is sent for clock recovery. [0003] After the PON rate increases, the bandwidth of the device is insufficient, and different factors such as r...

Claims

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Application Information

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IPC IPC(8): H04Q11/00H04L27/26
CPCH04Q11/0067H04L27/2692H04L7/041H04L25/03H04L25/0226H04L27/26132H04Q11/0003
Inventor 黄新刚张伟良印永嘉
Owner ZTE CORP
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