Burst-mode broadband data processing device and method based on FPGA chip

A data processing device and burst mode technology, which is applied in the field of high-speed, high-capacity wireless communication OFDM system, can solve the problem of slow processing speed and long processing time in continuous broadcast mode that cannot meet people's requirements for high-capacity and high-speed communication And other issues

Inactive Publication Date: 2016-01-27
西安烽火电子科技有限责任公司
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Problems solved by technology

[0004] The processing speed of the continuous broadcast mode is slow and the processing time is too long, which cannot meet people's requirements for high-capacity and high-speed communication; the burst mode communication is widely used in high-speed, high-capacity communication systems, but there are some challenges to frequency offset and synchronization accuracy. Strict requirements, so it needs to be used according to the actual situation

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  • Burst-mode broadband data processing device and method based on FPGA chip
  • Burst-mode broadband data processing device and method based on FPGA chip
  • Burst-mode broadband data processing device and method based on FPGA chip

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Embodiment Construction

[0045] 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.

[0046] An embodiment of the present invention provides a burst mode broadband data processing device based on an FPGA chip, which is used to realize data transmission and reception of an OFDM system in a burst mode, such as figure 1 As shown, the chip includes a data processing module 1 at the sending end and a data processing module 2 at the receiving end.

[0047] Wherein, the data processing module 1 at the sending end includes at least a data scrambling un...

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Abstract

The invention belongs to the application field of burst-mode wireless transmission, and discloses a burst-mode broadband data processing device and a burst-mode broadband data processing method based on an FPGA chip. The burst-mode broadband data processing device comprises a transmitting end data processing model and a receiving end data processing model, wherein the transmitting end data processing model at least comprises a data scrambling unit, a convolutional encoding unit, a baseband mapping unit, an inverse Fourier transformation unit, a peak-to-average ratio (PAPR) suppression unit, an interpolation unit and a digital up-conversion unit; and the receiving end data processing model at least comprises a digital down-conversion unit, an extraction unit, a frame header detection unit, a timing synchronization unit, a fractional frequency deviation estimation and compensation unit, a Fourier transformation unit, an integer frequency deviation estimation and compensation unit, a channel estimation and equalization unit, a de-mapping unit and a channel decoding and descrambling unit. The burst-mode broadband data processing device and the burst-mode broadband data processing method improve the burstiness processing of a high-speed wireless communication system, and reduce the complexity of hardware implementation.

Description

technical field [0001] The invention relates to the application field of burst mode wireless transmission, in particular to an FPGA chip-based burst mode broadband data processing device and method, and is especially suitable for high-speed, high-capacity wireless communication OFDM systems. Background technique [0002] With the maturity and development of communication technology, people's requirements for communication continue to grow. Large-capacity, high-speed broadband wireless communication technology has become an inevitable development of communication systems. The application of OFDM (Orthogonal Frequency Division Multiplexing) technology makes high-speed , Large-capacity communication becomes a reality. [0003] The working modes of modern wireless communication systems are divided into continuous broadcast mode and burst mode. The continuous broadcast mode system transmits continuous data. Initially, it takes a long period of time to obtain signals, and then con...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L27/26
CPCH04L27/2626H04L27/2647
Inventor 张凡杨勇李波周兆军周泓李德容杨森
Owner 西安烽火电子科技有限责任公司
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