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4g Wireless

In: Computers and Technology

Submitted By sheryl101
Words 1221
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4 G Wireless Networks
CIS 500
May 3, 2013

In the last decades wireless services have been competing with each to bring the latest wireless phone with state of the art technology that customers can use anytime and anywhere. These wireless phones are capable of taking pictures as well as mp3 player to listen to music and video chatting. However wireless networks technology has grown rapidly starting with first generation the (1G) was the first form of wireless networks then came the second generation (2G). It was design to address the demands for extraordinary, advanced quality of signals and higher data-rates to endure the digital services. Verizon, ATT, Sprint, and T-Mobile have all tried to convince the consumers their wireless network is fastest than the other for mobile device. Now days everyone seems to have a smartphone that allows them to check e-mails as well as surf the web. These smartphones also runs on 3G, 4G LTE, WiMax, andWiBro. Here are some examples of the services provided by 3G wireless networks are CDMA2000, UMTS, and EDGE etc. The data are sent over the technology called packet switching. Voice calls are communicated through a Circuit switching. It also has verbal communication which includes data services, access to television, video sorting into triple play service. 3G also runs in a range of 2100MHz and has a bandwidth of 15-20MHz high speed internet service. These applications are used by consumers to get connect to technology. Whereas, 4G networks provide Wimax2 and LTE Advance 4G applications has access to games services amended mobile internet access, along with high definition, mobile television, video conferencing, IP telephony and also 3D television. The wide deployment of wireless 3G networks supporting IP may suggest that wireless platform architectures are taking off, leading to convergence of wired and wireless network architecture (Lehr, H. William Dr. & Chapin, M., John Dr. Para. 3. p. 12 (2007). One big difference among the two standard of networks are in the network architecture the 3G mobile network is a Wide Area Cell Based network with a circuit switched subsystem. That depends on large satellite connections that can connect to telecommunication towers. An example, users can call and open the internet; that a radio signal is broadcasted to a 3G tower antenna or cell site. Data can travel from the cell site to a central switching office with a wire-line fiber-optic network. 4G networks are integration of wireless LAN and Wide Area 4G doesn’t have a circuit switched subsystem; it is purely packet based Internet Protocol (IP) system. Verizon, Sprint, and AT&T are just a few of the providers that use 3G as mobile internet service, in addition to providing 4G service. Subscribers are needed to be aware the 4G is a different service with a different network. Meanwhile 4G networks are fairly new as 2010, the price tag tends to expensive (WiMax Wireless Broadband Internet (2011). The data throughput rate for 3Ghas up to 3.1 mbps with a bandwidth of 5 -20MHz; while the data throughput rate for 4G networks 3 to 5 mbps but potentially estimated at a range at of 100 to 300 mbps with bandwidth of 100MHz and more. Some users are happy with their 3G wireless network service. It has very good competitive prices which enabled millions of users to access mobile technology in in ways they never could thought possible. Nevertheless, 4G networks have had outages and complaints about coverage areas. The differences are there between the two technologies but the users of today need a brief test of the possible benefits of 4G service. Wireless service users need to have a service plan, a network, and equipment for connecting to the internet. Sprint’s WiMax (also known as Clear) is based on the Institution of Electrical and Electronics Engineers (IEEE) 802.16e design. These IEEE 802.16e design tests the present 3G technology supplies on the orthogonal frequency division multiplexing (OFDM) built on technology applied in 802.16-2004, the 802.16e is developed to provide more sub-frequency than the ODFDM 256-FFT, Both standards takes single carrier ODFDM 256-fast Fourier transform (FFT) and orthogonal frequency division multiplexing access (OFDMA) 1K-FFT (WiMax Wifi Technology & Broadband Internet, Para 6-7 p. 1 (2011). The 4G networks have brought us a lot different network choice known as: 4G LTE, 4GWiMax, and 4G WiBro. This 4G LTE network stands for 4G Long Term Evolution. The 4G technology is used by Verizon Wireless. Which has supports data rate exchanges at speeds of 100 Mbps for downloads and 50 Mbps for uploads. The users who are taking advantage of this advancement seems to be happy with 4G LTE services offered today, but there were a few reports of poor connectivity or no connectivity at all. Some problems are away from the metropolitan area where there are less 4G cell sites. Devices may have limits with their capability of networks going from 3G to 4G when the real concern is backward capability. Here is backward capability of LTE-Advanced with LTE. Service availability for WiMax is restricted that it only allows some users the standard and can cut off several additional users trying to use the connection. Price has been driven down by having more carriers offering their service. Sprint, AT&T, and Verizon are in competition with each other to provide consumers with the best wireless service. Even though Verizon is not considered the fastest LTE on the face of the earth it, network does cover it. Verizon has over 27 markets in addition to expanding its coverage in 44 other markets ( Ry, Frank Para. 2 p. 1. April 2012).

References
Goldman, D. (2012). Exclusive: Which iPhone carrier is the best in your city? CNN Money. Retrieved on April 25, 2013 from http://money.cnn.com/2012/05/30/technology/iphone-carrier-compare/index.htm Lehr, W.H. & Chapin, J.M. (n.d.) On the Convergence of Wired and Wireless Access Network Architectures. Massachusetts Institute of Technology. Retrieved on April 25, 2013 from http://businessinnovation.berkeley.edu/Mobile_Impact/Lehr_Chapin_IEP.pdf Nadel, B. (2010). 3G vs. 4G: Real-world Speed Tests. COMPUTERWORLD. Retrieved on April 25, 2013 from http://www.computerworld.com/s/article/9021098/3g_vs._4g_real_world_speed_tests

Reed, B. (2012). Verizon LTE Network Now Covers Two-thirds of U.S. Population. Network world. Retrieved on April 25, 2013 from http://www.networkworld.com/news/2012/041912-verizon-lte-258476.html
Sagen, S. (2012). WiMAX vs. LTE: Should You Switch? PCMag.com. Retrieved on April 25, 2013 from http://www.pcmag.com/article2/0,2817,2403490,00.asp Sullivan, M. (2012). 3G and 4G Wireless Speed Showdown: Which Networks Are Fastest? PCWorld. Retrieved on April 25, 2013from http://www.pcworld.com/article/253808/3g_and_4g_wireless_speed_showdown_which_networks_are_fastest.html

Verizon Wireless. (n.d.) 4G LTE: The Fastest, Most Advanced 4G Network in America. 4G Comparison Overview. Retrieved on April 25, 2013from http://bookstore.ucsd.edu/images/pdf/VZW_LTE_Competitive_Comparison_Overview.pdf WiMAX.com. (2012). What is IEEE 802-16e Retrieved on April 25, 2013 from http://www.wimax.com/wimax-technologies-standards/what-is-ieee-80216e

Wimax Wifi Technology & Broadband Internet. (2011). Comparing between 3G & 4G Wireless Internet Options. Retrieved on April 25, 2013 from http://www.wimaxcounts.com/2011/comparing-between-3g-4g-wireless-internet-options/

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