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Broadband frequency hopping clustering multistage self-organizing network waveform design method

A self-organizing network and waveform design technology, applied in network topology, electrical components, synchronization devices, etc., to achieve good concurrent transmission, expand application scenarios, and avoid time slot collisions

Active Publication Date: 2020-02-25
NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
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  • Claims
  • Application Information

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Problems solved by technology

The present invention completely solves the problem of broadband frequency hopping clustering multi-level self-organizing networking, and provides a feasible approach and method for high reliability and high adaptability of military and civilian self-organizing network data transmission stations and broadband transmission equipment

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  • Broadband frequency hopping clustering multistage self-organizing network waveform design method

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Embodiment Construction

[0069] Below, the present invention will be further described in conjunction with the accompanying drawings.

[0070] Broadband frequency hopping clustering multi-level self-organizing network waveform, realize multi-hop frequency hopping self-synchronization by setting synchronization header and controlling transceiver logic, realize network synchronization and network connection topology through signaling interaction frames between nodes, and realize network synchronization and network connection topology by setting flexible network Inter-signaling frames and different frequency hopping patterns realize neighbor network node discovery and dynamic gateway selection, use SC-FDE and high-efficiency Turbo coding to achieve anti-multipath reliable transmission, and use multi-hop end-to-end link channel estimation and link quality learning Implement adaptive routing strategies such as figure 1 shown. Including the following steps:

[0071] (1) Start up the node device, and confi...

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Abstract

The invention discloses a broadband frequency hopping clustering multistage self-organizing network waveform design method. Distributed centerless multi-hop frequency hopping synchronization, initialnetwork establishment, dynamic gateway selection, physical layer modulation-demodulation and coding-decoding and adaptive routing selection based on link learning are realized. Multi-hop frequency hopping synchronization does not need to preset a synchronization center node and a special frequency hopping frequency set and pattern; wherein the synchronization time is related to the number of frequency points in the frequency hopping frequency set, the frequency hopping rate, the relay hop count and the like; each node transmits a frequency hopping synchronization frame probabilistically according to a local clock and a preset frequency hopping pattern, the nodes are all in a receiving state in other time, after a frame header is captured, the current frequency is kept to receive complete frame data, TOD information and node number information of the received data are obtained, and then synchronization is completed. Due to node movement or external environment change, a multi-hop end-to-end link exists and the link quality also changes, the performance of each link is comprehensively evaluated through a learning strategy, and finally, adaptive routing selection is realized.

Description

technical field [0001] The present invention relates to distributed multi-hop frequency hopping self-synchronization in mobile self-organizing network, node synchronization and network establishment of non-center self-organizing network, clustering multi-level self-organizing network dynamic gateway selection strategy, physical layer modulation and demodulation and encoding and decoding methods and The adaptive routing selection strategy based on link learning is especially suitable for regional mobile network communications in complex electromagnetic environments and geographical environments. Under certain circumstances, it can automatically detect topology information, dynamically determine the transmission route, and realize multi-hop end-to-end information transmission. Background technique [0002] Traditional communication technology is restricted by infrastructure, and there are communication blind spots in complex environments such as deserts and Gobi mountains, can...

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Application Information

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IPC IPC(8): H04W40/12H04W40/22H04W40/24H04W40/32H04W56/00H04W72/04H04B1/7136H04B1/7156H04W84/18
CPCH04B1/7136H04B1/7156H04W40/12H04W40/22H04W40/248H04W40/32H04W56/001H04W72/0446H04W84/18
Inventor 刘玉涛宋志群秦茜倪光华魏恒舟张春晖郑博文孟旭东魏萌
Owner NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
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