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Anti-interference channel demodulation accelerator suitable for satellite baseband processing chip

A baseband processing and channel demodulation technology, applied in radio transmission systems, electrical components, transmission systems, etc., can solve the problem of lack of baseband accelerators for discrete multi-subcarrier anti-interference channel demodulation tasks, and achieve resource saving and low power consumption. Effects of balancing requirements, performance, and resource optimization

Pending Publication Date: 2022-03-01
NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
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Problems solved by technology

For my country's new generation of high-orbit / low-orbit satellite anti-jamming communication systems, there is currently a lack of baseband accelerators or baseband chips that can handle discrete multi-subcarrier anti-jamming channel demodulation tasks in real time with high performance

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  • Anti-interference channel demodulation accelerator suitable for satellite baseband processing chip
  • Anti-interference channel demodulation accelerator suitable for satellite baseband processing chip

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Embodiment Construction

[0030] Below in conjunction with accompanying drawing, the present invention is further explained and illustrated.

[0031] Such as figure 1 As shown, an anti-interference channel demodulation accelerator suitable for satellite baseband processing chips includes a data processing module 1, an algorithm processing module 2, a control information register 3 and a data information register 4;

[0032] The data processing module 1 is used to analyze the multi-user control parameters sent by the control information register 3 under the control of the accelerator integrated controller, complete parameter processing, channel identification and data formatting operations, generate local data, and analyze the data information The multi-user data information sent by the register 4 is accessed, and the user data extracted on demand, locally generated data and formatted control information are output to the algorithm processing module 2; The demodulation results and timing word results a...

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Abstract

The invention discloses an anti-interference channel demodulation accelerator suitable for a satellite baseband processing chip. The anti-interference channel demodulation accelerator is composed of a data processing module, an algorithm processing module, a control information register, a data information register and the like. Input baseband sampling data are cached in a data information register by an accelerator integrated controller, various parameters are configured by a control information register, and the functions of parameter processing, channel identification, data formatting and the like are completed by a data processing module. And the algorithm processing module completes signal operation required in functions and processes of frequency word generation, unique word equalization, data word demodulation, timing word calculation and the like, and a final result is written back to the data processing module. The demodulation accelerator is flexible in algorithm configuration and efficient in resource utilization, can quickly complete an anti-interference channel signal demodulation processing algorithm, particularly performs special optimization for reverse carrier signal demodulation of a satellite communication system of a discrete multi-subcarrier transmission system, and is suitable for design and use of related baseband processing chips.

Description

technical field [0001] The invention relates to an anti-jamming channel demodulation accelerator suitable for a satellite baseband processing chip, in particular suitable for a satellite communication system baseband processing chip of a satellite communication system adopting a discrete multi-subcarrier anti-jamming transmission system. Background technique [0002] The transmission distance of satellite communication is long, the signal strength is poor, and the signal-to-noise ratio is low. To achieve reliable transmission, it depends on the reliable synchronization, demodulation and decoding of the physical layer. The demodulation performance has a great impact on the error performance and stability of the communication system. Sex has a greater impact. Especially in the case of poor channel conditions or non-cooperative interference signals in the transmission process, to achieve reliable communication transmission with anti-interference, a specially designed communicat...

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Application Information

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IPC IPC(8): H04B7/185
CPCH04B7/18513Y02D30/70
Inventor 冯昊轩王力权王力男张庆业周微
Owner NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
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