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Research and Implementation of Adaptive Channel Allocation Wireless AP Based on Powerpc

Author: XiaoJiaZuo
Tutor: TangBiHua
School: Beijing University of Posts and Telecommunications
Course: Electronic Science and Technology
Keywords: WLAN IEEE802.11b/g/n adaptive channel allocation PowerPC wireless data capture Linux
CLC: TN925.93
Type: Master's thesis
Year: 2013
Downloads: 13
Quote: 0
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With the rapid popularization of Mobile Internet Terminals, such as Smart phone, PAD currently, the wireless local area network is also showing a explosive growth. As the core of WLAN network equipment, wireless AP has got the extensive research and application. But the traditional AP do not have the dynamic adaptive channel adjustment ability, which causes the channel interference of WLAN populated area extremely easily, and because the wireless AP single point coverage is small, WLAN construction needs a huge number of wireless AP, to hard for artificial planning network and configuration channel work. These are the urgent need to improve wireless AP self channel allocation ability and the level of intelligence.This thesis designed a kind of wireless AP with a dynamic adaptive channel allocation function. The dynamic adaptive channel allocation algorithms are analyzed and the classic DCA is improved by importing the flow parameter. According to the requirements of the algorithm, put forward the specific channel scan and channel switching method and hardware design scheme based on double RF cards. Completed hardware specific design of the adaptive channel allocation AP and the transplantation and debugging of embedded Linux software platform. Based on the research of libpcap wireless packet capture mechanism, completed the channel parameters capture program design. And according to the function of the adaptive channel allocation AP, designed a Config and Monitoring Web based on Boa server, which improved the practicability of AP. At last, tested the channel scanning and adaptive channel allocation ability of the adaptive channel allocation AP through several test cases, verified the correctness of the system.This thesis accomplished the adaptive channel allocation wireless AP from the theory and engineering practice. This will a good help for the researchs focusing on making a good use of WLAN channel resources.

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Wireless communications > Radio relay communications,microwave communications > Wireless subscriber loop ( Radio Access Network)
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