Introduction analysis of the two wireless technologies. Wimax, in contrast to wifi, has an architecture with a basestation that is responsible for processing requests to send or receive data from terminals, performing access. Wimax is listed in the worlds largest and most authoritative dictionary database of abbreviations and acronyms the free dictionary. The wimax technology preface worldwide interoperability for microwave access wimax, is a wireless communications technology aiming to provide wireless data over long distances in a variety of ways as an alternative to cable and dsl, from pointtopoint links to full mobile cellular type access. One wimax base station can be accessed by more than 60 users. A wimax tower, similar in concept to a cellphone tower a single wimax tower can provide coverage to a very large area as big as 3,000 square miles 8,000 square km a wimax receiver the receiver and antenna could be a small box or pcmcia card, or they could be. Information and translations of wimax in the most comprehensive dictionary definitions. The ieee standards board established a working group in 1999 to develop standards for broadband for wireless metropolitan area networks. Wimax worldwide interoperability for microwave access is a wireless communications standard designed to provide 30 to 40 megabitpersecond data rates, 1 with the 2011 update providing up to 1 gbits for fixed stations. It is a part of a fourth generation, or 4g, of wirelesscommunication technology.
Wireless mansc which uses a single carrier modulation format. The university of texas at arlington, 2010 supervising professor. Thanks to its innovative technology, wimax will offer broadband wireless access at. Pdf wimax aims to provide a metropolitan access network which will provide higher bandwidth and. This is also referred as customer premise equipment cpe. This book explains the functional parts of a wimax system and its basic operation. A complete survey of the evolution in certification and standardization for ieee 802. Wimax is a credible solution to a number of problems that have plagued the fixed wireless industry since its inception namely, the lack of an open standard and the absence of major silicon vendors and equipment suppliers. Wimax works on essentially the same principle as wifi sending signals that can carry data wirelessly using radio waves. While a wifi signal can cover a radius of several hundred feet, a fixed wimax station can cover a range of up to 30 miles. Investigation on handover in wimax and performance. Published on april 8, 2002, the standard defines the use of bandwidth between the licensed 10ghz and 66ghz and between the 2ghz and 11ghz licensed and unlicensed.
Broadband wireless, last mile access, rural connectivity, wimax, wifi. Wimax promises to deliver the internet throughout the globe, and connect the last mile of broadband wireless connectivity services. However, unlike wifi, which only has a range of several hundred feet, a wimax signal can be broadcast up to 30 miles. There is no nomadic access and handover in the presence of xed wimax, while the mobile wimax provides new features and functionalities that support enhanced qos and high mobility services. Wimax standards and regulations itu regional development forum cis, cee and baltic countries bridging the ict standardization gap in developing countries 1011 june 2008, tashkent uzbekistan 2 agenda. It provides a broad customer base, while adding up a mobility feature to those services. The fec options are paired with qpsk,16qam, and 64qam to form burst profiles of. Wimax worldwide interoperability for microwave access is a family of wireless broadband communication standards based on the ieee 802. The wide range of the wimax technology depends on the height of the antennas, if they are installed at the. Wimax is a wireless communications standard designed for creating metropolitan area networks mans. Wimax signifie worldwide interoperability for microwave access. The moea rolled out action plan for the development of wimax industry last year, which aims to achieve two major goals during a fouryear period 201020.
A research paper recommender system would greatly help researchers to find the most desirable papers, although this list suggests that there is a simple, linear process to writing such a paper, the actual process of writing a research paper. Executive summary recognizing service providers need for flexibility to manage an everincreasing demand for broadband data, the. Wimax, ask latest information, wimax abstract,wimax report,wimax presentation pdf,doc,ppt,wimax technology discussion,wimax paper presentation details,wimax, ppt. Understanding broadband wireless networking prentice hall communications engineering and emerging. The paper recently broadband wireless access bwa is. It can also connect to another wimax tower using a lineofsight, microwave link.
It allows handover as the users moves among radio towers. Looking for online definition of wimax or what wimax stands for. Loosely, wimax is a standardized wireless version of ethernet intended primarily as an alternative to wire technologies such as cable modems, dsl and t1e1 links to provide broadband access to customer premises. Wimax uses fixed and mobile stations to provide users with access to highspeed voice, data, and internet connectivity. Wimax may become the only wireless technology because wifi and cellular have not penetrated areas that can be reached with wimax technology. Wimax far surpasses the 30metre wireless range of a conventional wifi local area. Usually broadband wireless access networks are considered to be enterprise level networks providing us with more capacity as well as coverage.
Wimax network provides the ability for service provider to deploy new era broadband service. Wimax is an organization founded in 2001 that promotes the ieee 802. Wimax frame structure this page covers fixed wimax frame structure as per ofdm technique and mobile wimax frame structure as per ofdma technique. Wimax technology is a telecommunications technology that offers transmission of wireless data via a number of transmission methods.
Wimax base station is similar to accessing a wireless access point in a wifi network, but the coverage is greater. Wimax, which stands for worldwide interoperability for microwave access, is a kind of wireless technology that provides wireless internet over considerably longer distances than standard wifi. In theory, wimax could potentially replace the need for 3g, 4g or other types of phonebased web access as well as wifi, and possibly even the need for a dedicated home broadband service. Wimax worldwide interoperability for microwave access is a telecommunications protocol describing fixed and fully mobile internet access services. Wimax worldwide interoperability for microwave access. The figures here are only for illustrative purpose only and it may vary in the actual wimax systemstandard. Commonly referred to as wimax or less commonly as wirelessman or the air interface standard, ieee 802. You will learn how wimax can use base stations to provide high speed data connections that can be used for voice. This connection to a second tower often referred to as a. Advanced features of wimax technologyadaptive modulation and coding amc. Coined by its namesake industry group, the wimax forum, which was formed in.
Wimax ou levolution des reseaux sansfil lex electronica. Wimax that stands for world interoperability for microwave access, is a standard based on ieee 802. Wimax receiver a wimax receiver may have a separate antenna or could be a standalone box or a pcmcia card sitting in your laptop or computer or any other device. Wimax is a family of wireless broadband communication standards based on the ieee 802. In that respect, the thesisbychapter format may be advantageous, particularly for students pursuing a phd in the natural sciences, where the research content of a. Harq is enabled using stop and wait protocol which provides fast response to packet errors and improves cell edge coverage. Wimax stands for worldwide interoperability for microwave access. However, most wimax implementations include hardware that allows a whole household, for example, to use the service by means of wifi, much like how a wireless router provides internet for several devices. The protocol conforms to certain parts of the ieee 802. Technical specification library wimax technology is based upon the ieee 802. The workgroup is a unit of the ieee 802 local area network and metropolitan area network standards committee. It is the product of a wireless industry coalition dedication to the advancement of ieee 802. Understanding broadband wireless networking prentice hall communications engineering and emerging technologies series from ted rappaport andrews, jeffrey on. For example, if the base station cannot establish a robust link to a distant.
Wifi is much more popular than wimax, so more devices have wifi capabilities built into them than they do wimax. This page covers fixed wimax frame structure as per ofdm technique and mobile wimax frame structure as per ofdma technique. Wimax technology applications are a mean of service providers to present data, video, voice, mobile and internet. Wimax frame structure ofdm ofdma frame structure as per. Wimax products can accommodate fixed and mobile usage models across a range of applications. Type of wireless technology that provides wireless internet service over longer distances than standard wifi. Le wimax constitue une alternative interessante pour les personnes residant dans des zones mal desservies par linternet a haut debit par. Therefore, wimax can be used to provide internet access to large areas, such as corporate buildings or entire cities, with a single wireless station. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Microwave access is a new technology dealing with provision of. This thesis is a technical and application analysis of wimax, and it is understandable and useful to readers who do not want to worry about functions and technical particulars. The wimax technology offers around 72 mega bits per second without any need for the cable infrastructure. Pdf wimax enabled mobile devices become very popular due to the fact the network.