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Base band (BB)-radio frequency (RF) multi-channel communication management design

A BB-RF and communication management technology, applied in the field of satellite communication, can solve the problems that it is difficult to meet high-speed transmission, and single-channel transmission cannot meet the high-speed, large traffic, and reliability of communication systems, so as to meet the requirements of reduction and reduce The requirements of device indicators and the effect of meeting device performance

Active Publication Date: 2012-04-04
DALIAN UNIV
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AI Technical Summary

Problems solved by technology

[0003] Satellite data transmission is an important research content of satellite communication. As the current satellite communication transmission rate is getting higher and higher, single-channel transmission can no longer meet the requirements of communication systems in terms of high speed, large traffic volume, and reliability. It is also difficult to meet the requirements of high-speed transmission

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  • Base band (BB)-radio frequency (RF) multi-channel communication management design

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Embodiment Construction

[0017] BB-RF multi-channel communication management controller software is mainly aimed at satellite high-speed data communication, and supports data transmission at the physical layer under various protocols.

[0018] figure 1 It is a functional block diagram of multi-channel communication based on 16QAM. After the high-speed data passes through the channel management module at the sending end, the high-speed data is divided into several optimal channels and subjected to 16QAM modulation. At this time, the bit rate of each channel can be reduced to the system hardware performance requirements. The data of each channel is sent after being modulated, and the receiving end sends the received signal to the demodulation module, and the demodulated bit stream passes through the channel management module of the receiving end to restore the original data.

[0019] figure 2 It is a modulation module: it maps the data of each channel to the 16QAM constellation diagram, and every fou...

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Abstract

The invention discloses a base band (BB)-radio frequency (RF) multi-channel communication management design method, which belongs to the technical field of satellite communication. The multi-channel communication management design method comprises management of the channel number under S1 multiple channels and data distribution under S2 multi-channel management. The BB- RF multi-channel communication management design method has the advantages that by means of multi-channel communication management control software, high-rate data can be transmitted, optimal communication effect and data transmission ratio of a system can be achieved, requirements of system devices are reduced, various device performance can be met, system cost is saved, the problem which is impossible to be resolved by a single channel is resolved well, and high speed data transmission of physical layers under various agreements is supported.

Description

Technical field [0001] The technical field of the invention is satellite communication, more specifically, it belongs to a BB-RF multi-channel communication management design method. Background technique [0002] In recent years, satellite communication has been used more and more widely. People's requirements for satellite communication are no longer limited to single data communication, but more to the transmission of multimedia services such as voice, video, and images. The data rate and frequency band of traditional satellite communication are very limited, and it is difficult to meet people's demand for high-speed transmission of large-capacity data. At the same time, the corresponding communication terminals cannot meet application requirements such as high speed, broadband, and small aperture. With the rapid development of informatization, the demand for communication quality, coverage capability, comprehensive service capability, transmission capability, etc. is get...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/185H04L12/24H04L29/08
Inventor 潘成胜王延春刘海燕杜秀丽宣景朋
Owner DALIAN UNIV
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