Signal processing method and device

A signal processing and signal technology, applied in the field of communication, can solve the problems of single board design, SSN reduction effect is not obvious, production difficulty, etc., to achieve the effect of reducing the impact, reducing the amount of coupling crosstalk, and reducing interference

Active Publication Date: 2015-06-17
HUAWEI TECH CO LTD
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Problems solved by technology

[0005] In view of this, the present invention provides a signal processing method and device to overcome the problems in the prior art that the SSN reduction effect is not obvious and the design and production of the single board are difficult

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Embodiment Construction

[0052] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0053] figure 1 It is a flow chart of the signal processing method disclosed in the embodiment of the present invention, the signal processing method is applied to the signal sending end, see figure 1 As shown, the method may include:

[0054] Step 101: Determine the phase status of the data synchronization signal and the N data signals to be sent;

[0055]Wherein, the N is a positive integer, and the data signal to be sent may include one or more data signa...

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Abstract

The present invention discloses a signal processing method and apparatus. According to the signal processing method, phase change processing can be performed on to-be-sent data signals according to a phase status of a data synchronization signal and phase statuses of the to-be-sent data signals, so that phase differences between a majority of to-be-sent data signals in the processed to-be-sent data signals and the data synchronization signal meet a certain condition, thereby reducing a volume of coupling crosstalk, generated by the to-be-sent data signals, on the data synchronization signal and further reducing impact of SSN on a system.

Description

technical field [0001] The present invention relates to the technical field of communications, and more specifically, to a signal processing method and device. Background technique [0002] Double data rate (DDR for short) synchronous dynamic random access memory (SDRAM for short) is currently the most common and general type of memory, which may be called DDR for short. Since DDR has the function of double data flow, it has been widely used in electronic equipment in various industries. [0003] With the rapid development of hardware and network technology, users have higher and higher requirements for the packaging and integration of DDR chips and controller chips. This leads to synchronous switching noise (simultaneously switching noise, SSN for short) generated during signal transmission during data interaction between the DDR chip and the controller chip, thus affecting the reliability of the DDR interface. [0004] In the prior art, in order to reduce the impact of S...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F13/16
CPCG06F13/4072H04L7/04H04L7/041H04L7/042H04L7/06H04L7/0087H04L7/0091
Inventor 唐甜牛升华唐乐宾
Owner HUAWEI TECH CO LTD
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