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This document compares and contrasts wireless broadband technologies Wi-Fi, WiMAX, and 3G. It provides an overview of each technology including Wi-Fi's use of unlicensed spectrum versus WiMAX and 3G's licensed spectrum. It also discusses factors like bandwidth, mobility, and architecture between the different standards. The document concludes that the technologies can coexist to complement each other based on requirements like distance and data rates.
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This document provides an overview of Wi-Fi technology, including its introduction, scope, working principles, and how to build a Wi-Fi network. Wi-Fi allows for wireless internet and network connectivity within a specific geographic area using radio waves. Common components of a Wi-Fi network include access points that act as base stations to connect wireless devices to the internet or a larger network within a range of 100-150 feet indoors. The document also discusses Wi-Fi security standards like WEP and WPA that aim to protect wireless networks, and examples of Wi-Fi usage in public places and businesses.
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Wi-Fi allows two-way communication of signals through radio waves, allowing data to be sent wirelessly between devices like computers and routers. It works by converting digital data into radio signals transmitted at frequencies like 2.4GHz or 5GHz, which helps avoid interference from other electronic devices. These radio signals are transmitted between a computer and wireless router to enable wireless internet access without wires.
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Wifi technology
This document provides an overview of Wi-Fi technology, including its standards, components, configurations, security features, and applications. Wi-Fi allows devices to connect to a wireless local area network and the Internet using radio waves. Common Wi-Fi standards are 802.11b, 802.11a, and 802.11g. A Wi-Fi network uses access points that act as base stations for connecting wireless devices within a range of about 100 feet indoors. Wi-Fi provides mobility and flexibility but can be slower than wired connections and more vulnerable to security issues.
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Arithmetic coding
Arithmetic coding is a lossless data compression technique that encodes data as a single real number between 0 and 1. It maps a string of symbols to a fractional number, with more probable symbols represented by larger fractional ranges. Encoding involves repeatedly dividing the interval based on symbol probabilities, and the final encoded number represents the entire string. Decoding reconstructs the string by comparing the number to symbol probability ranges. Arithmetic coding achieves compression closer to the entropy limit than Huffman coding by spreading coding inefficiencies across all symbols of the data.
Arithmetic Coding
The document provides an overview of digital media basics including digitization, compression, representation, and standards. It discusses signal digitization through pulse code modulation and sampling. It also covers quantization, digitization examples, and lossless versus lossy compression. Specific compression techniques covered include transform coding, variable rate coding, predictive coding, and entropy coding like Huffman coding. The document also discusses psychoacoustic modeling and perceptual coding. It provides examples of speech, audio, image and video compression standards and techniques.
Part I Jan 2010 - Can airlines power ancillary revenue with digital media and...
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WiMAX
Visit www.seminarlinks.blogspot.com to Download
WiMAX is a digital wireless data communication system that can deliver high-speed broadband services up to a large distance of 50KMs.The name WiMAX was created by WiMAX forum, the consortium promoting this standard. The term WiMAX is derived from the phrase Worldwide Interoperability for Microwave Access.
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Part I Jan 2010 - Can airlines power ancillary revenue with digital media and...
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WIMAX stands for Worldwide Interoperability for Microwave Access and enables high-speed wireless transmission of data, voice, and video via portable devices. It provides broadband connectivity over long distances without wires using microwave frequencies. WIMAX networks can connect users to the internet from up to 30 miles away at cable modem-like speeds, allowing users to browse on laptops without being physically connected. It involves the wireless transfer of data using microwave frequencies and supports both fixed and mobile uses.
4G wireless
4G wireless networks will provide significantly higher data rates and an improved quality of experience for users. The two main competing 4G standards are 3GPP LTE, being developed by 3GPP, and Mobile WiMAX, being developed by IEEE. LTE aims to provide peak data rates of 100 Mbps for downlink and 50 Mbps for uplink. Many mobile network operators plan to migrate to 4G LTE networks starting in 2010. The transition to 4G will change the mobile broadband market and business models.
5 g communication systems
5G technology will provide data rates of over 1 Gbps and enable new applications through higher bandwidth and lower latency. The presentation discusses the history and limitations of previous generations of wireless technology as well as the key concepts and technologies that 5G aims to integrate, such as a unified global standard, wearable devices with AI capabilities, and a "real wireless world" without limitations. 5G is expected to transform applications like telemedicine, traffic control, and entertainment through its high-speed connectivity and ability to support ubiquitous communication between devices.
Mlinarsky Fanny
The document summarizes a presentation on fixed mobile convergence technologies and market forces. It includes an agenda covering topics like FMC and femtocell history/architecture/standards, regulatory issues, solutions from various companies, and IMS and Wi-Fi based FMC solutions. It provides background on network architectures, standards, and technical requirements for voice and video services over wireless networks.
Wimax and lte
3G networks faced issues accommodating mobile internet demand, including high costs of expanding networks. Performance was also low in densely populated and dead spot areas. IMT-Advanced networks were developed to address these issues by providing higher data rates, better mobility support, improved indoor coverage, and more compatible international roaming compared to 3G networks. WiMAX is a telecommunications technology that can provide wireless broadband internet over wide areas as an alternative to DSL and cable. It uses the IEEE 802.16 standard and can transmit data at distances of up to 30 miles.
Ct3210321037
This document analyzes the performance of routing algorithms for an integrated Wi-Fi/WiMAX heterogeneous network. It begins with an introduction describing the need for such integrated networks to provide uninterrupted wireless service. It then provides overviews of the Wi-Fi (IEEE 802.11n) and WiMAX (IEEE 802.16e) technologies that would be integrated. Several routing algorithms are described, including Bellman-Ford, AODV, DYMO, OLSRv2, RIP, and OSPFv2. The document then discusses how to statistically analyze the performance of the integrated network using these various routing algorithms, focusing on metrics like throughput, packet loss probability, and distortion. The analysis will
Wireless Digital Subscriber Line
WDSL using WiMAX is the topic and WiMAX is the new upcoming wireless technology the file contains history of wireless systems dsl wifi and wimax
Wi-MAX Technology
The presentation contains slides regarding various functions, components & uses of Wi-MAX. It compares the advantages of Wi-MAX over other technologies.
4G Wireless Mobile Communication
4G is the fourth generation of mobile communications technology intended to replace 3G. It would allow for wireless internet access at much higher speeds of up to 1 Gbps for low mobility and 100 Mbps for high mobility. Key 4G technologies include OFDM, SDR, MIMO and improved handover and mobility. 4G would provide benefits like higher bandwidth, lower network costs, and access to broadband multimedia services for both operators and users.
4G
This document provides an overview of 4G technology. It defines 4G as the next evolution in wireless communications providing integrated IP services including voice, data and multimedia on a global scale. Key 4G technologies discussed include MIMO, OFDM, software defined radio and mobile IPv6 which enable higher speeds and more flexible networks. Potential applications highlighted are virtual presence, navigation, telemedicine, education and crisis management. The socio-economic impacts discussed are more affordable communication and connectivity through a single multi-purpose device.
WiMax and non standard solutions
The document describes WiMAX technology and compares it to WiFi. It discusses the IEEE 802.16 standard that WiMAX is based on and the two versions: fixed and mobile. It also reviews some non-standard commercial solutions for wireless networks like Alvarion, Motorola Canopy, and MikroTik that have been used for medium to long-range networks.
Gigabit fidelity
Gi-Fi (Gigabit Fidelity) or Gigabit Wireless is the world's first handset incorporated on a solitary chip that works at 60GHz on CMOS process.
It transfers data at the rate of 5Gbps
It provides low power utilization in a scope of 10 meters .
The most striking feature of Gi-Fi technology is high security.
Gi-Fi refers to the faster versions of IEEE 802.11 standards.
It’s a 5x5 mm chip , Its small size makes it portable and deployment is quick.
Gi-Fi is a remote transmission framework which is multiple times quicker than Wi-Fi .
Now the files like videos, audios, or anything which has a large amount of data can be transferred from one device to another in a matter of seconds.
generations of mobile communication.3G v/s 4G
This document provides an overview of 4G technology, beginning with a brief history of previous mobile communication generations including 1G, 2G, and 3G. It describes some of the key limitations of 3G technology and how 4G aims to address these by providing higher data rates, seamless IP connectivity, and support for multimedia applications. The key technologies that enable 4G are also summarized, along with the expected benefits and applications of 4G networks. Finally, some of the main challenges in deploying 4G are outlined.
Download It
This document provides an overview of WiMAX technology, including what WiMAX is, its performance capabilities, comparisons to other wireless technologies like Wi-Fi and 3G, mobility features, current regulations, and challenges. It discusses key topics such as the IEEE 802.16 standard, range, scalability, bit rates, quality of service, and comparisons of features between WiMAX, Wi-Fi and 3G. It also briefly outlines business and technical challenges for WiMAX deployment.
Basic Concepts in Wireless LAN
This document summarizes the history and key standards of wireless internet communication. It discusses the major milestones including the original 802.11 standard from 1997 and subsequent amendments that increased bandwidth and functionality. It describes the technologies used by each standard such as DSSS and OFDM. The document also discusses wireless LAN applications and challenges, as well as the Wireless Application Protocol (WAP) which aimed to make internet content accessible on mobile phones.
Azalea Overview Nov08
Azalea provides wireless mesh networking solutions using its innovative Adaptive Wireless Routing (AWR) technology. AWR allows for high capacity, scalable wireless networks optimized for broadcast quality video and seamless mobility. Azalea's multi-radio routers can support a variety of applications including wireless broadband, video surveillance, and mobile WiFi access across city-wide areas.
53415140 a-paper-presentation-on-wimax
The document discusses WiMax (Worldwide Interoperability for Microwave Access), which is a wireless technology that provides broadband connections over long distances at speeds up to 70 megabits per second without needing line-of-sight access to a base station. It is based on IEEE 802.16 standards and is expected to replace or complement existing wireless technologies like WiFi and Bluetooth by offering higher speeds and longer ranges. The document covers WiMax's technical details, working mechanisms, applications and its potential to enable widespread wireless broadband access.
Wimax CHALLENGES IN INDIA AND ABROAD
THIS IS A PRESENTATION PREPARED BY ME AND MY PARTENER AS A CLASS PROJECT..DONT RATE IT VERY HIGH MYSELF COZ DID NOT SPENT MUCH TIME ON IT..BUT WIL WORK JUST FINE..DATA AVAILABLE WERE LATEST AND WE DID PUT AN EFFORT :)..
NO PDF BUT PPT FORMAT COZ DONT WANT TO TAKE CREDIT JUST HELP FELLOW STUDENTS...A THNX WUD DO....:)..IF U DONT LIKE THEN ALSO SAY..I'LL APPRECIATE IT
Chap 01 introduction to wirelless
The document provides an overview of wireless communication technologies including Bluetooth, Infrared Data Association (IrDA), HomeRF, IEEE 802.11 WiFi, 802.16 WiMax, and wireless hotspots. It defines wireless communication as the transfer of information between two or more points not connected by an electrical conductor using radio waves. Key aspects of various wireless standards are discussed, such as operating frequency and speed, range, and security features. Limitations of wireless technologies including a finite radio spectrum and potential for interference are also noted.
ppt on 4g
This document provides an overview of 4G technology, beginning with a brief history of previous mobile communication generations including 1G, 2G, and 3G. It describes some of the key limitations of 3G technology and how 4G aims to address these by providing higher data rates, seamless IP-based connectivity, and support for various broadband multimedia applications. The key technologies that enable 4G are also outlined, along with the expected benefits and applications of 4G networks. Finally, some of the main challenges in deploying 4G systems are discussed.
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App Naming Tip
For most of us, our name existed even before we did.
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flora and fauna of himachal pradesh and kerala
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Chapter wise All Notes of First year Basic Civil Engineering.pptx
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Syllabus
Chapter-1
Introduction to objective, scope and outcome the subject
Chapter 2
Introduction: Scope and Specialization of Civil Engineering, Role of civil Engineer in Society, Impact of infrastructural development on economy of country.
Chapter 3
Surveying: Object Principles & Types of Surveying; Site Plans, Plans & Maps; Scales & Unit of different Measurements.
Linear Measurements: Instruments used. Linear Measurement by Tape, Ranging out Survey Lines and overcoming Obstructions; Measurements on sloping ground; Tape corrections, conventional symbols. Angular Measurements: Instruments used; Introduction to Compass Surveying, Bearings and Longitude & Latitude of a Line, Introduction to total station.
Levelling: Instrument used Object of levelling, Methods of levelling in brief, and Contour maps.
Chapter 4
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Chapter 5
Transportation: Introduction to Transportation Engineering; Traffic and Road Safety: Types and Characteristics of Various Modes of Transportation; Various Road Traffic Signs, Causes of Accidents and Road Safety Measures.
Chapter 6
Environmental Engineering: Environmental Pollution, Environmental Acts and Regulations, Functional Concepts of Ecology, Basics of Species, Biodiversity, Ecosystem, Hydrological Cycle; Chemical Cycles: Carbon, Nitrogen & Phosphorus; Energy Flow in Ecosystems.
Water Pollution: Water Quality standards, Introduction to Treatment & Disposal of Waste Water. Reuse and Saving of Water, Rain Water Harvesting. Solid Waste Management: Classification of Solid Waste, Collection, Transportation and Disposal of Solid. Recycling of Solid Waste: Energy Recovery, Sanitary Landfill, On-Site Sanitation. Air & Noise Pollution: Primary and Secondary air pollutants, Harmful effects of Air Pollution, Control of Air Pollution. . Noise Pollution Harmful Effects of noise pollution, control of noise pollution, Global warming & Climate Change, Ozone depletion, Greenhouse effect
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Mule event processing models | MuleSoft Mysore Meetup #47
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Event Link:- https://meetups.mulesoft.com/events/details/mulesoft-mysore-presents-mule-event-processing-models/
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● Types of event processing models in Mule 4
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For Upcoming Meetups Join Mysore Meetup Group - https://meetups.mulesoft.com/mysore/YouTube:- youtube.com/@mulesoftmysore
Mysore WhatsApp group:- https://chat.whatsapp.com/EhqtHtCC75vCAX7gaO842N
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Shivani Yasaswi - https://www.linkedin.com/in/shivaniyasaswi/
Organizers:-
Shubham Chaurasia - https://www.linkedin.com/in/shubhamchaurasia1/
Giridhar Meka - https://www.linkedin.com/in/giridharmeka
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Grouping
- 1. AJAL.A.J DEPT OF ECE Grouping WI-MAX,3G and WI-Fi for Wireless Broadband
- 5. OFDM
- 9. Multipath transmission in a broadcasting application
- 15. Point to Point Communication SRPP- Short Range Point-Point (1km) MRPP- Medium Range Point-Point (1-5km) LRPP- Long Range Point-Point (up to 40km)
- 16. Service Provider Last Mile/Campus Last Mile
- 17. Last Mile Concept AC 160 CPE Public Hotspot Using WiMax backhaul links Video Surveillance Mobile Security Last Mile using Wi-Fi Point to Point Link For Enterprises AS 1600 BS AS 1600 BS Video Data Data Video Voice Mobility VPN
- 20. Upcoming Wi MAX Products Products Wi MAX BTS Wi MAX SS Access Controller
- 24. Technology Vision: Fixed to Mobile Convergence and Centralized Infrastructure Mgt: Wireless Operators LAN Switch / Router NOC AS 1600 BS Cell Towers 802.16 Mesh Cell (3km Radius) Seamless co-existence of Wi Fi and Wi Max Networks Service Provider Mgt System Access Controller Mesh Cell 802.11 Mesh Cell 802.11 Last Mile 802.16e
- 27. Sub Channels
- 29. * The 802.11g and 802.11b standards of WI-Fl use the 2.4 GHz spectrum, which is crowded with other devices such as blue tooth, microwave ovens, and cordless phones. It may cause degradation in performance. Other devices, which use microwave frequencies such as certain types Of cell phones, can also cause degradation in perform - ance. * Power consumption is fairly high compared to Other standards, making battery life and heat a matter of concern. Disadvantages of WI-FI
- 34. WI-FI AND WI-MAX
- 36. BANDWIDTH VS MOBILITY
- 37. 3G AND WIFI
- 38. 3 G AND WIMAX
- 40. REFERENCE
- 41. QUERIES
- 42. Thank U
- 43. THE ROAD HAS NOT END