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4G Technology - PowerPoint PPT Presentation

4G Technology

4g technology presented by nithin raj 4g definition 4g is not one defined technology or standard, but rather a collection of technologies at creating fully ... – powerpoint ppt presentation.

• By Nithin Raj
• 4G is not one defined technology or standard, but rather a collection of technologies at creating fully packet-switched networks optimized for data.
• 4G Networks are projected to provide speed of 100Mbps while moving and 1Gbps while stationary.
• At the end of the 1940s, the first radio telephone service was introduced, and was designed to users in cars to the public land-line based telephone network.
• In the 1960s, a system launched by Bell Systems, called, Improved Mobile Telephone Service (IMTS), brought quite a few improvements such as direct dialing and more bandwidth. The very first analog systems were based upon IMTS and were created in the late 60s and early 70s.
• 1G refers to the first-generation of wireless telephone technology was developed in 1970s.
• 1G had two major improvements
• the invention of the microprocessor
• the digital transform of the control link between the phone and the cell site.
• Analog signal
• Around 1980s
• Better quality capacity - More people could use there phones at the same time
• Digital Signals consist of 0s 1s
• Digital consist of 0s and 1s
• Digital signal
• 1.Low level, 2.High level, 3.Rising edge
• and 4.Falling edge
• Digital data can be compressed and multiplexed much more effectively than analog voice encodings
• Multiplexing -multiple analog message signals or digital data streams are combined into one signal
• For 1 and 2G standards, bandwidth maximum is 9.6 Kbit/sec, (I.E) approximately 6 times slower than an ISDN
• Allows for lower powered radio signals that require less battery
• PowerCODEC introduction -program that encodes and decodes digital data stream or signal
• Translates data from digital to analog and vice versa
• The digital voice encoding allows digital error checking
• increase sound quality
• lowers the noise level
• Going all-digital allowed for the introduction of digital data transfer
• SMS short message service
• Cell towers had a limited coverage area
• Jagged Decay curve
• Abrupt dropped calls
• Analog gradual sound reduction
• Spotty coverage
• Large capacity and broadband capabilities
• Allows the transmission of 384kbps for mobile systems and up to 2Mbps
• Increased spectrum efficiency 5Mhz
• A greater number of users that can be simultaneously supported by a radio frequency bandwidth
• High data rates at lower incremental cost than 2GGlobal roaming
• CDMA Code Division Multiple Access
• Form of multiplexing
• Does not divide up the channel by time or frequency
• Encodes data with a special code associated with each channel
• FDMA Frequency Division Multiple Access
• Each phone call is allocated one frequency for the entire duration of the call
• TDMA - Time Division Multiple Access
• Each phone call is allocated a spot in the frequency for a small amount of time, and "takes turns" being transmitted
• CDMA - Code Division Multiple Access
• Each phone call is uniquely encoded and transmitted across the entire spectrum, in a manner known as spread spectrum transmission
• Even though 3G has successfully been introduced to mobile users, there are some issues that are debated by 3G providers and users.
• High input fees for the 3G service licenses
• Great differences in the licensing terms
• 3G phones are expensive
• Fourth Generation Technology
• Faster and more reliable
• Lower cost than previous generations
• Multi-standard wireless system
• Bluetooth, Wired, Wireless
• Ad Hoc Networking
• OFDM used instead of CDMA
• Potentially IEEE standard 802.11n
• Most information is proprietary
• Broadcast layer
• fix access points, (i.e.) cell tower connected by fiber, microwave, or satellite (ISP)
• Ad-hoc/hot-spot layer
• wireless LANs (i.e. internet at Starbucks)
• Personal Layer Gateway
• devices that connect to upper layers cell phone, fax, voice, data modem, MP3 players, PDAs
• Info-Sensor layer
• environmental sensors
• Fiber-optic wire layer
• high speed subterranean labyrinth of fiber optic cables and repeaters
• Spontaneous self organization of networks of devices
• Not necessarily connected to internet
• 4G will create hybrid wireless networks using Ad Hoc networks
• Form of mesh networkingVery reliable
• Experience enhance wireless capabilities that deliver mobile gaming interaction with less than five seconds
• Play online multi player games while traveling at high speeds or sitting outside
• 4G will provide a wireless alternative for broadband access
• I will provide first opportunity for broadband access in remote locations without an infrastructure to support cable or DSL access.

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4G WIRELESS TECHNOLOGY PRESENTED BY, GUIDED BY,

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4G Technology Seminar and PPT with pdf report

4G Technology Seminar and PPT with pdf report : The Fourth Generation (4G) Technology is the fastest Technology provide for data transfer. 4G is the short term for fourth-generation wireless. It is still a research lab standard, the stage of broadband mobile communications that will replace the third generation (3G).

Also See: 5G Technology PPT

What is Fourth Generation (4G) Technology?

• Faster and more reliable
• Lower cost than previous generations
• Multi-standard wireless system
• Bluetooth, Wired, Wireless
• Ad Hoc Networking
• OFDM used instead of CDMA
• Potentially IEEE standard 802.11n
• Most information is proprietary

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4G is being developed to accommodate the Quality of Service (QOS) and rate requirements set by forth coming applications like

• MMS (Multimedia Messaging Service)
• Wireless Broadband Service
• Digital Video Broadcasting
• High Network Capacity
• Smooth handoff across heterogeneous network
• Seamless Connectivity and Global Roaming across multiple networks

Application

• Virtual Presence
• Virtual Navigation
• Tele- Medicine and education
• Crises Management
• Multimedia – Video Service

Advantages of 4G Technology

• Internet Protocol (IP) based mobile system I
• Wider bandwidths and higher bit rates
• Global mobility and service portability
• A wide range application using only one 4 G integrated terminal.

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Nowadays, wireless technology is getting popular and important in the network and the Internet field. 4G started from 2002 and it has many standards and technologies that are still in developing process. Therefore, no one can really sure what will be the future of 4G and what services it will offer to people.

What will be the future of 4G once 5G launched in full capacity?

It is too early to project the future considering almost all the requirements fulfill by 4G for most of businesses and consumers. As per our experts, big corporations will definitely move to 5G due to its better speed and stability. However, it will take decades for 4G to get vanished because features are enough for dealing with the daily needs of small businesses and households.

Content of the Seminar and pdf report for 4G Technology

• INTRODUCTION
• OBJECTIVES   AND APPROACHES
• DEVLOPMENT FROM 1G TO 4G
• PRINCIPAL TECHNOLOGIES
• DEVELOPMENTS
• APPLICATIONS AND ADVANTAGES

Here we are giving you 4G Technology Seminar and PPT with PDF report. All you need to do is just click on the download link and get it.

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4G WIRELESS TECHNOLOGY

Mar 22, 2019

210 likes | 282 Views

4G WIRELESS TECHNOLOGY. PRESENTED BY,. INTRODUCTION.

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• research work
• location dependent
• mobile vce vision
• qos based routing schemes

Presentation Transcript

4G WIRELESS TECHNOLOGY PRESENTED BY,

INTRODUCTION • As the virtual centre of excellence in mobile and personal communications (Mobile VCE) moves into its second core research programme it has been decided to set up a fourth generation (4G) visions group aimed at harmonising the research work across the work areas and amongst the numerous researchers working on the programme. • This paper outlines the initial work of the group and provides a start to what will become an evolving vision of 4G.

EVOLUTION OF MOBILE RADIO GENERATIONS

LIMITATIONS OF 3G AND DRIVERS FOR 4G

LIMITATIONS WITH 3G • Extension to higher data rates is difficult with CDMA due to excessive interference between services. • It is difficult to provide a full range of multirate services, all with different QoS and performance requirements due to the constraints imposed on the core network by the air interface standard. For example, it is not a fully integrated system.

DRIVERS FOR 4G • The users’ traffic • Air interfaces and terminal types • Radio environments • Quality-of-service types • Mobility patterns.

KEY DRIVERS TO 4G • A multitude of diverse devices (distributed, embedded, wearable, pervasive). • Predominance of machine-to-machine communications. • Location-dependent and e-business applications. • The extension of IF protocols to mobility and range of QoS. • Privacy and security. • Dynamic networking and air-interfaces. • Improved coverage mechanisms • Improved and dynamic spectrum usage.

4G VISIONS MAPPING TO RESEARCH TOPICS The Mobile VCE vision for 2010 is embodied in the five key elements • Fully converged services • Ubiquitous mobile access • Diverse user devices • Autonomous networks • Software dependency

RESEARCH CHALLENGES

The functions contained in this vision will be: • A connection layer between the radio access and the IP core including mobility management. • Internetworking between access schemes — inter and intra system, handover, QoS negotiations, security and mobility. • Ability to interface with a range of new and existing radio interfaces.

OTHER CHALLENGES • Distributed MAC (medium access control) and dynamic routing support • Wireless service location protocols • Wireless dynamic host configuration protocols • Distributed LAC and QoS-based routing schemes.

SOFTWARE SYSTEMS • Ability to learn from experiences and to build on personal experiences, i.e. to have intelligence. • Decision capability to organise routine functions with other PMAs and network data bases, e.g. diary, travel arrangements, holidays, prompts (shopping, haircut, theatre, birthdays, etc.) • A range of communication modes: voice, image (with image superimposition via head-up displays such as glasses or retinal overlays), multiparty meetings (including live action video of us and our current environment), etc. • Provision of navigation and positioning information and thus of location-dependent services:

Detecting and reporting the location of children, pets and objects of any sort • Vehicle positioning and route planning, auto pilot and pedestrian warnings • Automatic reporting of accidents (to insurance companies, rescue services and car dealers) • Knowledge provision via intelligent browsing of the Internet • E-business facilities for purchasing and payment • Health monitoring and provision of warnings • Infotainment: music, video and, maybe, virtual reality

WIRELESS ACCESS • Adaptive reconfigurability—algorithms • Spectral efficiency—air interface design and allocation of bandwidth • Environment coverage—all pervasive • Software—for the radio and the network access • Technology—embedded/wearable/low-power/high communication time/displays.

HAPS SYSTEM

CONCLUSION • It is always dangerous to predict too far ahead in a fast- moving field such as mobile communications. • Almost by definition the eventual 2010 scene will not match exactly that depicted in the 4G visions described herein. • However, the key elements—fully converged services, ubiquitous mobile access, diverse user devices, autonomous networks and software dependency—will persist. •   The 4G Vision is a living document which intends to update and amend as time and knowledge progress. • It will act as the umbrella vision to a large research programme and place in context the detailed research work that will take place in the various areas. • In this respect it will help to continuously steer the research as it progresses and, therefore, to make it more relevant and beneficial.

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