Distributed adaptive dynamic channel dispatching method

A dynamic channel allocation, self-adaptive technology, applied in wireless communication, data exchange through path configuration, radio/induction link selection and arrangement, etc., can solve problems such as inability to solve practical applications, unrealistic network, and poor timeliness, etc. Achieve the effect of perfect channel allocation, strong network adaptability and optimal channel allocation

Inactive Publication Date: 2007-08-22
SHANGHAI JIAO TONG UNIV
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Problems solved by technology

At present, most wireless local area networks use centralized management, which is relatively mature and can better allocate and optimize the resources of the entire network. The control is global and can be easily controlled by manual intervention. A centrally controlled management system is required, the cost is high, and the timeliness is poor, and the ability to adjust following sudden changes in the network is limited. Therefore, the dynamic channel allocation method of AP is getting more and more attention.
[0003] After searching the prior art documents, it was found that Hui Luo and N.K.Shankaranrayanan, "ADisttributed Dynamic Channel Allocation Technique for Throughput Improvement in A Dense WLAN Environment"--IEEE ICC. Channel al

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  • Distributed adaptive dynamic channel dispatching method

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[0051] The embodiments of the present invention are described in detail below in conjunction with the accompanying drawings: the present embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation methods and processes are provided, but the protection scope of the present invention is not limited to the following implementations example.

[0052] This embodiment is applied to the application of the wireless resource management research of the experimental network in the XXX wireless network construction project, and the WRT54G wireless router (AP) of LINKSYS is mainly used and the development and networking experiment is carried out on it.

[0053] First write the distributed channel assignment method of the present invention in the wireless router in the form of software, then set up the wireless router (AP) with the function of the present invention as a wireless local area network, and set up several wireless route...

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Abstract

A method for distributing adaptive-dynamic distributed channel includes carrying out channel distribution randomly by AP and initializing internal network performance measurement table, recoding internal network throughput and channel collision probability at a regulation cycle by AP and writing them in said table, making comparison, confirming applied optimum switching-over probability to confirm channel to be used at next cycle by each AP when regulation cycle is come and not switching over channel by AP any more to make network be stabilized.

Description

technical field [0001] The invention relates to a method used in the technical field of wireless networks, in particular to a distributed adaptive dynamic channel allocation method. Background technique [0002] In recent years, wireless local area network has developed rapidly and been widely used due to its outstanding advantages and relatively mature technology. Therefore, in order to meet the growing demand for wireless network services, many companies have launched 802.11 wireless local area network services. The communication devices are also compatible with the 802.11 protocol. The IEEE802.11 protocol stipulates 14 available channels, but due to the lack of frequency resources, the frequency ranges between adjacent channels overlap, which must seriously inhibit the development of wireless LANs to some extent. So many researches are dedicated to the resource management of WLAN. Among them, channel allocation is the most important radio resource management method. In...

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Application Information

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IPC IPC(8): H04Q7/20H04L12/28H04W16/10
Inventor 王静刘超戎蒙恬
Owner SHANGHAI JIAO TONG UNIV
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