4g wireless final ppt

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4g wireless final ppt

  1. 1. Wireless System Presented By: Anupama Shelly Sonia MCA-2
  2. 2. Introduction to wireless communication <ul><li>Our ultimate goal is to communicate with any type of information with anyone, at anytime, from anywhere. This is possible with the aid of WIRELESS TECHNOLOGY </li></ul>User Friendliness User Personalisation USER User Sensitivity
  3. 3. Types of wireless Communication <ul><li>Cellular Networks </li></ul><ul><li>Wireless local area network </li></ul>User Friendliness User Personalisation USER User Sensitivity
  4. 4. Cellular Networks <ul><li>Evolved from mobile telephone as voice conversation and communication tools for private and business uses </li></ul>User Friendliness User Personalisation USER User Sensitivity
  5. 5. Wireless Local Area Network <ul><li>Emerged from computer network. It helps business user to expand their service areas by using LAN (faster data transport) </li></ul>User Friendliness User Personalisation USER User Sensitivity
  6. 6. Evolution from 1g to 4g system <ul><li>1g Wireless System :Developed in 1980s and completed in early 1990’s </li></ul><ul><li>2g Wireless System :The 2G phase began in the 1990s and much of this technology is still in use. </li></ul><ul><li>3g Wireless System :It was developed in the late 1990s until present day,Japan is the first country having introduced 3G nationally </li></ul>User Friendliness User Personalisation USER User Sensitivity
  7. 8. 3G WIRELESS SYSTEM <ul><li>Services include: </li></ul><ul><ul><li>Global roaming </li></ul></ul><ul><ul><li>Superior voice quality and video conference </li></ul></ul><ul><ul><li>Information for web surfing, music, news, corporate intranet, transportation service etc </li></ul></ul><ul><ul><li>Transmission speeds from 125kbps to 2Mbps </li></ul></ul>User Friendliness User Personalisation USER User Sensitivity
  8. 9. Issues on 3G wireless system <ul><li>High input fees for the 3G service licenses </li></ul><ul><li>Inefficient to meet needs of future high-performance </li></ul><ul><li>Multiple standards for 3G </li></ul><ul><li>Require wider bandwidth </li></ul><ul><li>Lack of coverage because it is still new service </li></ul>User Friendliness User Personalisation USER User Sensitivity
  9. 10. 4G wireless system <ul><li>4G technologies are sometimes referred to by the acronym &quot;MAGIC,&quot; which stands for Mobile multimedia, Anytime/any-where, Global mobility support, Integrated wireless and Customized personal service. </li></ul>User Friendliness User Personalisation USER User Sensitivity
  10. 11. Current Technology <ul><li>TDMA :Time Division Multiple Access, is a technique for dividing the time domain up into sub channels for use by multiple devices. </li></ul><ul><li>CDMA :Code Division Multiple Access, allows every device in a cell to transmit over the entire bandwidth at all times. </li></ul>User Friendliness User Personalisation USER User Sensitivity
  11. 12. 4G Hardware <ul><li>Ultra Wide Band Networks : Ultra Wideband technology, or UWB, is an advanced transmission technology that can be used in the implementation of a 4G network. </li></ul><ul><li>Smart Antennas : : Multiple “smart antennas” can be employed to help find, tune, and turn up signal information </li></ul>User Friendliness User Personalisation USER User Sensitivity
  12. 13. General 4G Services and 4G Applications <ul><li>Localized/Personalized Information </li></ul><ul><li>Organizational services </li></ul><ul><li>Communications services and applications </li></ul><ul><li>Entertainment services </li></ul><ul><li>Mobile commerce (M-Commerce ) </li></ul>User Friendliness User Personalisation USER User Sensitivity
  13. 14. Features of 4G Wireless Systems <ul><li>Support interactive multimedia </li></ul><ul><li>User friendliness </li></ul><ul><li>High speed, high capacity and low cost per bit </li></ul><ul><li>Higher band widths </li></ul><ul><li>Terminal Heterogeneity </li></ul><ul><li>Network Heterogeneity </li></ul>User Friendliness n USER User Sensitivity
  14. 15. User and Industry Expectations <ul><li>Wireless users can be categorized into generalized segments : </li></ul><ul><ul><li>The Age segment </li></ul></ul><ul><ul><li>The Internet Usage segment </li></ul></ul><ul><ul><li>The Mobile Professional segment </li></ul></ul>
  15. 16. Comparison between 3g and 4g   Major Requirement 3g 4g Speed 384 Kbps to 2 Mbps  20 to 100 Mbps  Frequency Band  Dependent on country  Higher frequency bands (2-8 GHz)  Bandwidth  5-20 MHz  100 MHz (or more)  Switching Design Basis  All digital with packetized voice  Access Technologies  Circuit and Packet W-CDMA OFDM and MC-CDMA 
  16. 17. Conclusion <ul><li>4G will be a Convergence Platform providing clear advantages in terms of Coverage, Bandwidth, Power Consumption, variety of Services, ranging from Pop-Up advertisements to Location-Based services and IP Data casting ones. </li></ul>User Friendliness User Personalisation USER User Sensitivity
  17. 18. Thanks

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