Multi-hop broadband wireless communication system and wireless node device thereof

A wireless node and sub-node technology, applied in the field of communication, can solve problems such as not providing optimal design, achieve the effects of improving flexibility and efficiency, reducing processing delay, and flexible configuration

Active Publication Date: 2012-10-31
慕福奇
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Currently, wireless systems that support tree and chain network topologies, such as WiFi, WiMAX (802.16d, 802.16j),

Method used

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  • Multi-hop broadband wireless communication system and wireless node device thereof
  • Multi-hop broadband wireless communication system and wireless node device thereof
  • Multi-hop broadband wireless communication system and wireless node device thereof

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Example Embodiment

[0022] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings. In the following embodiments, the present invention is described by taking a multi-hop wireless network composed of a tree or chain topology as a preferred embodiment, but those skilled in the art know that the present invention is also applicable to multi-hop wireless networks composed of other topologies. network.

[0023] like figure 2 As shown, it is a schematic diagram of the principle of a tree-shaped network broadband multi-hop wireless communication system according to an embodiment of the present invention, which is composed of a console and several wireless nodes. The console and the root node are wired or wirelessly connected, and each A tree or chain wireless network connection is used between nodes.

[0024] The wireless node device according to the embodiment of the present invention may include a data transmission control unit, a chil...

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Abstract

The invention provides a multi-hop broadband wireless communication system and a wireless node device thereof. The system comprises a console and a plurality of wireless node devices which are in tree-shaped or chain-shaped wireless network connection, wherein the wireless node devices at least include a data transmission control unit, a child-phase wireless transceiver unit and/or father-phase wireless transceiver unit; the child-phase/father-phase wireless transceiver units are used for sending downlink/uplink data to adjacent sub nodes, for receiving downlink/uplink data from adjacent sub nodes, and extracting a physical layer service data block and the corresponding destination address from the data, and then sending the information to a data transmission control unit; and the data transmission control unit is used for receiving uplink/downlink physical layer service data block and the corresponding destination address from the child-phase/father-phase wireless transceiver units, and for controlling and forwarding the data according to the destination address. Due to the adoption of the system, the delay of the relay data forwarding is reduced, and the flexibility and efficiency of the relay transmission are improved.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a broadband multi-hop wireless communication system and a wireless node device thereof. Background technique [0002] The network architecture of the wireless system includes a centralized network and a distributed multi-hop network. The centralized network generally has a large network capacity, but due to the limitation of the transmission power of the base station, the network coverage is generally within a few kilometers; the distance between nodes in a distributed multi-hop wireless network is relatively short, and each hop can complete The data transmission rate is much higher than that of direct communication, so that the long-distance end-to-end communication system can also support high data transmission rate, and with the increase of network nodes, the coverage and flexibility of the network will also increase , to a certain extent, solves the problem of limited ...

Claims

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Application Information

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IPC IPC(8): H04W16/26H04W88/04
Inventor 慕福奇
Owner 慕福奇
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