It can be called as the real wireless world because it is a complete wireless communication with no boundaries. The predecessor of wimax wifi wireless fidelity is a set of technologies that are. Mobile wimax mobile wimax has attracted attention internationally as a nextgeneration mobile broadband system. Emerging fields in 4g technology, its applications. Saito et al trends in ltewimax systems 4 advanced wireless access 5 global scope the basic requirements of the 3. A rapid increase of mobile data usage and emergence of new applications such as mmog multimedia online gaming, mobile tv, web 2. The technology is specified by the institute of electrical and electronics engineers, as the ieee 802. Even though the frequency for operation of wimax is not definite, the most likely band. Wimax and 3gpp lte are leading the pack towards forming the next generation of mobile network standards.
I have discussed the motivation of the presented work and the brief overview of the both technology, wifi and wimax. The allip architecture enables greater flexibility to create services and allow. The paper begins with a brief history and technology overview of wimax and lte. Wimax crosslayer system for next generation heterogeneous. Next generation mpar tr modules must use cots components and processes to achieve lowest cost similar to commercial pc motherboard construction use of surfacemount plastic encapsulated components leveraging commercial production lines and manufacturing infrastructure gan technology can offer significant cost and performance benefits. They are compared to each other and the current telecommunication networks. Mobile wimax mobile wimax has attracted attention internationally as a next generation mobile broadband system. A present, there are four standards for 3g, cdma2000, wcdma, tdscdma, and wimax. This paper performs a detailed comparison of the lte and wimax standards and delves into the intricacies of each of them. Liu, a comparative study of wimax and lte as the next generation mobile enterprise network, proceedings of the th international conference on advanced communication technology icact, gangwondo, south korea, 16 february 2011, pp. This monograph focuses on the fundamentals of mobile communications technology and systems, including the history and service evolution of mobile communications.
Ofdma has clearly emerged as the technology of choice for nextgeneration ip based broadband mobile networks higher throughput and capacity, great flexibility in managing spectrum resources, and improved indoor coverageadvanced ipbased architecture, which includes 3ggps ims ip. The wimax forum is also committed to perform an interoperability effort across different vendors. Wimax update sassan ahmadi, intel corporation an overview of next generation mobile wimax technology ahmadi layout 51509 1. Photonics west tutorial, february 4, 2008 4 2008 raj jain. This tutorial describes the prominent technical features of ieee 802. Wimax update sassan ahmadi, intel corporation an overview of nextgeneration mobile wimax technology ahmadi layout 51509 1. The 3rd generation of mobile communication technology refers to the cellular mobile communication supporting high speed data transmission. Lte stands for long term evolution and it was started as a project in 2004 by telecommunication body known as the third generation partnership project 3gpp. Feature analysis of mimo techniques for next generation mobile wimax communication systems european academic research vol. Ieee standards organization and the wimax forum1 that provides highspeed data communications. Sae system architecture evolution is the corresponding evolution of the gprs3g packet core network evolution. Ip connectivity for next generation mobile networks. The wide range of the wimax technology depends on the height of the antennas, if they are installed at the suitable position from where there is no barrier between the transmitter and receiver, and then we can get better range and service from it. We focus our discussion on physical layer, mac layer.
In some key aspect wimax and lte resemble each other including operating in licensed spectrum. Mobile wimax is a technology defined by the institute of electrical and electronics engineers, inc. Wimax 4th generation telecommunication networks dieter eberle computer engineering b. Wimax has stepped forward to help solve barriers to adoption, such as interoperability and cost of deployment. Wimax technology is a telecommunications technology that offers transmission of wireless data via a number of transmission methods. An overview of next generation mobile wimax technology. Potential and current applications include amended mobile web access, ip telephony, gaming services, highdefinition mobile tv, video conferencing, and 3d television the firstrelease long term evolution lte standard was commercially. Emerging technologies and applications focuses on the future developments of wimax technology. In the usa, by mid2008 wifi had become a key technology in wireless broadband, while important wimax developments are about to be witnessed through the sprintclearwire merger. Lte is the next major step in mobile radio communications, and will be introduced in 3 rd generation partnership project 3gpp release 8. Enhanced radio access technologies for next generation mobile communication presents a comphrenhensive overview of the latest technology developments in the field mobile communications.
The cisco and nokia siemens networks wimax solution provides better indoor coverage through smart antenna technologies and simplified selfprovisioning through a centralized aaa model to address mass markets. This monograph focuses on the fundamentals of mobile communications technology and systems, including the history and service evolution of mobile communications and environments. Capacity and cellrange estimation for multitraffic users in. A survey on next generation mobile wimax networks ncsu coe. We give an overview of the mac specification in the ieee 802.
This competition started with the advent of their pre4g versions 802. The book discusses the evolutionary aspects of wimax, from the physical to the application layer, including visions from industry, standardization and research communities. A standard by itself is not enough to enable mass adoption. Pdf a survey on next generation mobile wimax networks. Two wireless technologies, wimax based on ieee standards and lte standardized by 3gpp, are two competing technologies, nevertheless, are very technically similar. An overview of nextgeneration mobile wimax technology. Mobile broadband connections, by region, 2010 2015 source. Wimax technology can provide a costeffective broadband access solution in areas beyond the reach of dsl and cable. These technologies are having strong qos and wider coverage. In some key aspect wimax and lte resemble each other including operating in. Enhanced radio access technologies for next generation mobile. Wireless broadband in eastern europe is evolving as more metrosized networks based on wimax are deployed and mobile operators pay more attention to the market. An attempt is made to identify the new challenges of next generation wireless systems, and provide the reader with a unifying overview of the most important design improvements and changes in 802. This survey provides a description of key projected features of the physical phy and.
Most of the early systems were designed for a carriertointerference ratio cir of 18db for satisfactory voice quality, and were deployed in a 7cell frequency reuse pattern with 3 sectors per cell. Pdf this paper gives an overview about the various phy and mac layer. Wimax technology is set to allow highspeed internet access from laptops and other mobile devices over larger distances than previous technologies such as wifi. Accelerating convergence to next generation technology. The book discusses the evolutionary aspects of wimax, from the physical to the application layer, including visions from industry, standardization and. Wimax technology is facing many hurdles in market while it has some great advantages which make it a technology of today. A technical overview and performance evaluation introduction the wimax technology, based on the ieee 802.
Challenges and evolution of next generation wireless. Wimax stands for worldwide interoperability for microwave access. The term lte is typically used to represent both lte and sae. An overview of nextgeneration mobile wimax technology ieee. A feature analysis of mimo techniques for next generation. Potential and current applications include amended mobile web access, ip telephony, gaming services, highdefinition mobile tv, video conferencing, and 3d television. The wimax technology offers around 72 mega bits per second without any need for the cable infrastructure. The next generation mobile wimax system, as a new amendment of the ieee 802. A study on wimax network technology open access journals. Fifth generation 5g this technology is definitely the next most crucial mobile technology stage after 4g networks 6. Mobile wimax network architecture redmax 4c network architecture overview author. All mobile wimax profiles use scalable ofdma as the physical layer. Physical layer structure of next generation mobile wimax. A 4g system must provide capabilities defined by itu in imt advanced.
This opens a different set of business opportunities for telecom operators, turning wimax into a viable technology for the next generation network ngn environments itut a, 2004. Redline communication 2 wimax whitepaper mobile wimax network architecture redmax 4c network architecture overvi ew introduction mobile wimax introduces a number of new technologies that increase performance and lower the cost of deploying widescale wireless networks. Other competing broadband access technologies page 2 of 6. Wireless standards and technology intel architecture groupmobile wireless group. Variable duplex technology within bands as well as between bands scalable bandwidth up to 20 mhz, covering 1. Enhanced radio access technologies for next generation. The growing demand for mobile internet and wireless multimedia applications has motivated the development of broadband wirelessaccess technologies in. Wimax worldwide interoperability for microwave access is a standardsbased technology enabling the delivery of last mile wireless broadband access as an alternative to cable and dsl. Summary this chapter describes the salient technical features of ieee 802. Ultimately, wimax is intended to serve as the next step in the evolution of 3g mobile phones, via a potential combination of wimax and cdma standards called 4g.
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