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Distributed multihop wireless network access method

A multi-hop wireless network and access method technology, applied in the access field of distributed multi-hop wireless network, can solve the problems of unfavorable mobile node seamless access, large access delay, long network access time, etc. Effects of small changes, reduced access time, shortened transmission

Inactive Publication Date: 2009-01-07
SIEMENS CHINA
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] However, due to the presence of multiple nodes, when a mobile node accesses a multi-hop network, each of the access point AP, relay node RN, and mobile node MN has to go through the network layer, access layer, and physical layer. Layer, which processes information such as encoding, decoding, and routing, so the network access time is relatively long and the access delay will be relatively large, which is not conducive to the seamless access of mobile nodes during the mobile process

Method used

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Embodiment Construction

[0032] The present invention will be described in detail below in conjunction with the drawings.

[0033] The prerequisite for the implementation of the present invention is: adopting a multi-hop network in B3G and 4G wireless mobile communication networks, the base station is usually called an access point AP, and a relay node RN is added between the access point and the mobile node. There may be only one or multiple relay nodes RN.

[0034] Based on the above premise, the present invention proposes a distributed multi-hop wireless network access method, see image 3 Shown. image 3 The MN in is a mobile node, such as a mobile station (Mobile Station) or a laptop with a wireless network card.image 3 The dashed line in the middle is the initial position of the mobile node. There is a service agent SA at the network access point AP, and the routing information of the mobile node MN is stored on the service agent. The above-mentioned service agent SA can also be located in any other p...

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Abstract

The invention provides a switching method of a distributed type multi-jump wireless network. The wireless network comprises a switch point, at least one relay node and at least one moving node used to note the switch information of the mobile node relative to the relay node adjacent to the mobile node; when the mobile node moves, it sends the switch pleasing to one relay node adjacent to the mobile node; the relay node feedbacks a switch allocate information to the mobile node; the relay node sends a path update information to the next relay node and to other relay nodes until the path update information is transferred to the switch point; the switch point dose path information update.

Description

(1) Technical field [0001] The present invention relates to an access method for a distributed multi-hop wireless network, and more specifically, to a third-generation mobile communication and fourth-generation mobile communication (Beyond Three Generation / Fourth Generation; B3G / 4G) system Multi-hop wireless network access method. (2) Background technology [0002] With the commercialization of third generation mobile communications (Third Generation Communication; 3G), B3G / 4G technology with higher speed, higher spectrum efficiency, better coverage and stronger business support capabilities has also begun to enter the pre-research stage. It is planned to complete the spectrum allocation in 2007, complete the main standards in 2010, start commercial use in 2012, and put into large-scale commercial use after 2015. The B3G system requires at least 600 megabytes of spectrum. For such a broadband frequency band requirement, it is difficult to find in the existing frequency bands, so ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04Q7/38H04W40/24H04W48/08
Inventor 喻丹郦辉
Owner SIEMENS CHINA
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