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Wireless Mesh Networks 2010 Part 3

Tham khảo tài liệu 'wireless mesh networks 2010 part 3', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 2 Access-Point Allocation Algorithms for Scalable Wireless Internet-Access Mesh Networks Nobuo Funabiki Graduate School of Natural Science and Technology Okayama University Japan 1. Introduction With rapid developments of inexpensive small-sized communication devices and high-speed network technologies the Internet has increasingly become the important medium for a lot of people in daily lives. People can access to a variety of information data and services that have been provided through the Internet in addition to their personal communications. This progress of the Internet utilization leads to strong demands for high-speed inexpensive and flexible Internet access services in any place at anytime. Particularly such ubiquitous communication demands have grown up among users using wireless communication devices. A common solution to them is the use of the wireless local area network WLAN . WLAN has been widely studied and deployed as the access network to the Internet. Currently WLAN has been used in many Internet service spots around the world in both public and private spaces including offices schools homes airports stations hotels and shopping malls. The wireless mesh network has emerged as a very attractive technology that can flexibly and inexpensively solve the problem of the limited wireless coverage area in a conventional WLAN using a single wireless router Akyildiz et al. 2005 . The wireless mesh network adopts multiple wireless routers that are distributed in the service area so that any location in this area is covered by at least one router. Data communications between routers are offered by wireless communications in addition to those between user hosts clients and routers. This cable-less advantage is very attractive to deploy the wireless mesh network in terms of the flexibility the scalability and the low installation cost. Among several variations of under-studying wireless mesh networks we have focused on the one targeting the Internet access .