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A filter scheduling method and system

A scheduling system and scheduling method technology, applied in the field of communication, can solve the problem that the peak-cutting tasks of the level-level peak-cutting module cannot be fully completed, etc.

Active Publication Date: 2018-08-31
SANECHIPS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The present invention provides a filter scheduling method and system, which solves the peak-shaving task of the peak-shaving module at this level caused when the number of CPG filters in the peak-shaving module is less than the number of peaks to be processed in the prior art Questions that cannot be completed

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  • A filter scheduling method and system

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Embodiment Construction

[0027] The present invention will be further explained by means of specific embodiments in combination with the accompanying drawings.

[0028] image 3 It is a schematic diagram of the filter scheduling method provided by the first embodiment of the present invention, which is represented by image 3 It can be seen that in this embodiment, the filter scheduling method provided by the present invention includes the following steps:

[0029] S301: the CPG calling request generated and sent by the peak cutting module;

[0030] Further, when no CPG is set in the peak-shaving module, the step of the peak-shaving module generating a CPG calling request includes: generating a CPG calling request according to the number of peaks to be processed by itself, and the CPG calling request carries the number of peaks that the peak-shaving module needs to process. Data information and peak parameters of each peak;

[0031] Further, when a CPG is set in the peak-shaving module, the step of...

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Abstract

The present invention provides a filter scheduling method and system. The method includes: the CPG calling request generated and sent by the peak-shaving module to the CPG scheduling module; The peak-shaving module corresponding to the call request configures the CPG to generate the offset pulse; the CPG scheduling module receives the offset pulse generated by the configured CPG and transmits it to the peak-shaving module corresponding to the CPG call request to complete the peak offset processing. Through the implementation of the present invention, when the CPG scheduling module receives the CPG calling request from the peak-shaving module, it configures the CPG filter for the peak-shaving module from the CPG resource pool, which solves the problem of the CPG filter in the peak-shaving module existing in the prior art. When the number is less than the number of peaks that need to be processed, the peak-shaving tasks of the peak-shaving module at this level cannot be fully completed.

Description

technical field [0001] The present invention relates to the communication field, in particular to a filter scheduling method and system for scheduling a CPG (cancellation pulse shaping filter) in a digital intermediate frequency processing system. Background technique [0002] SDR technology (software radio technology) is an emerging technology in the field of wireless communication. With the development of SDR technology, the hardware implementation of digital intermediate frequency processing (FPGA or ASIC implementation) also rises, and the peak clipping technology is the digital intermediate frequency processing. One of the core functions is to help reduce the peak-to-average ratio of the signal. At present, the commonly used peak clipping algorithm is PC-CFR (peak cancel-crest factor reduction, peak cancellation peak factor reduction) algorithm. [0003] Such as figure 1 As shown, the current hardware devices for implementing the PC-CFR algorithm generally use the casc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L27/26H04L25/03
Inventor 赵兴山
Owner SANECHIPS TECH CO LTD