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WI-FIBER is a new type of wireless transmitter and receiver that can send and receive data at rates greater than 1 gigabit per second. It operates in the 71-76, 81-86 and 92-95 GHz frequencies to transfer data with less interference from light, rain and fog than other high-speed wireless technologies. WI-FIBER uses directional beams to transfer data between towers over a mile apart in less than six seconds, much faster than a cable internet connection. It has applications in disaster recovery, campus networks, and wireless backhaul due to its high speeds, availability, low cost of installation and maintenance compared to other technologies.
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Tony
The document discusses stress ribbon bridges, which are a type of suspension bridge where cables are embedded in the deck below the walking surface. Stress ribbon bridges follow a catenary profile and transmit loads via tension in the sagging deck to anchored abutments. The document outlines the history, form, construction techniques, applications, advantages, and recent advances of stress ribbon bridges. Stress ribbon bridges are economically efficient, aesthetically pleasing, require minimal maintenance, and can be erected without falsework.
The Mechanical Properties of Concrete Incorporating Silica Fume as Partial Re...
Concrete is the most important engineering
material and the addition of some other materials may change
the properties of concrete. With increase in trend towards the
wider use of concrete for prestressed concrete and high rise
buildings there is a growing demand of concrete with higher
compressive strength. Mineral additions which are also
known as mineral admixtures have been used with cements
for many years. Silica fume particles are 100 times smaller
than the average cement particle. Its handling and disposal is
a point of concern because of the environment concerns. Silica
fume is usually categorized as a supplementary cementitious
material. These materials exhibit pozzolanic properties,
cementitious properties and a combination of both properties.
Due to these properties, it can affect the concrete behavior in
many ways. In the present work, an attempt has been made to
use silica fume as a supplementary material for cement and to
evaluate the limit of replacement of cement for M20 grade
concrete. The main aim of this work is to study the
mechanical properties of M20 grade control concrete and
silica fume concrete with different percentages (5, 10, 15 and
20%) of silica fume as a partial replacement of cement.
Composite Concrete-Steel Construction in Tall Buildings by Dr. Naveed
The document discusses composite concrete-steel construction systems used in tall buildings. It describes how composite and mixed systems use concrete and steel acting together to provide benefits like increased strength and stiffness. Common composite elements discussed include composite floors, beams, columns, shear walls, and link beams. Composite columns provide benefits like increased strength and stiffness. Concrete-filled steel tubes are an efficient composite column type. Recent developments in composite shear walls include concrete-filled composite plate shear wall systems that offer enhanced seismic performance. Case studies of composite tall buildings in Asia are also presented.
Presentation PPT.pdf
The document discusses cable-stayed bridges, providing information on their components, design considerations, advantages, and analysis methods. It introduces the Midas Civil software for bridge design and analysis. It then discusses the Durgam Cheruvu cable-stayed bridge project in Hyderabad, India, which was proposed to ease traffic congestion. Key components of cable-stayed bridges are described, including pylons, girders, cables, and anchoring systems. Methods of structural analysis for these bridges, including for construction stages, are also summarized.
STRESS RIBBON BRIDGE
Suspension bridges are suspended from cables. The earliest suspension bridges were made of ropes or vines covered with pieces of bamboo. In modern bridges, the cables hang from towers that are attached to caissons or cofferdams. The caissons or cofferdams are implanted deep into the bed of the lake, river or sea. Sub-types include the simple suspension bridge, the stressed ribbon bridge, the underspanned suspension bridge, the suspended-deck suspension bridge, and the self-anchored suspension bridge. There is also what is sometimes called a "semi-suspension" bridge, of which the Ferry Bridge in Burton-upon-Trent is the only one of its kind in Europe.[19]
The longest suspension bridge in the world is the 3,909 m (12,825 ft) Akashi Kaikyō Bridge in Japan.
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In recent decants steel structure had played an important role in construction
industry. Providing strength, stability, ductility for buildings designed for seismic
loads. It is necessary to design a structure that can withstand under seismic loads.
Providing steel knee braces is one of the structural systems used to resist earthquake
forces on structures. Steel bracing is economical, easy to erect and occupies less
space which is flexible to design to meet the required strength and stiffness. There are
various types of steel bracing (X, knee bracing). In knee brace frame system (KBFS)
the non-buckling diagonal bracing provide most of the lateral stiffness, the flexural
yielding of knee element. In our project a 6 storey steel frame building with knee
bracing system with floor plan of 9 m x 9m is considered. We studied the performance
of a 6 storied steel frame building with knee bracing system and compared with bare
frame. Pushover analysis, equivalent static analysis, Response Spectrum analysis,
Time history analysis is performed in ETABS based on IS 1893:2002 (part 1)
guidelines. The manual calculation was done on the basis of Equivalent static analysis
and Response spectrum analysis to find out base shear for foundation and lateral
force for each storey deck slab and compared the values with bare frame. Depending
on the complexity in the problem for bracing models, we had used Etabs software in
order to analysis the Base shear and lateral shear. The results were plotted in the
form of graphs and tables for their inter storey drift and inter storey displacement.
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This document outlines the course objectives, outcomes, syllabus, and textbooks for a "Design of Steel Structures" course. The objective is to make students conversant in designing steel structural elements per Indian code provisions. The 5-unit syllabus covers topics like steel material properties, connections, tension/compression member design, beams, plate girders, roof trusses, and limit state design methodology. Upon completing the course, students will be able to design various steel structural components and connections. The recommended textbooks provide further information on limit state design of steel structures.
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Tony
The document discusses stress ribbon bridges, which are a type of suspension bridge where cables are embedded in the deck below the walking surface. Stress ribbon bridges follow a catenary profile and transmit loads via tension in the sagging deck to anchored abutments. The document outlines the history, form, construction techniques, applications, advantages, and recent advances of stress ribbon bridges. Stress ribbon bridges are economically efficient, aesthetically pleasing, require minimal maintenance, and can be erected without falsework.
The Mechanical Properties of Concrete Incorporating Silica Fume as Partial Re...
Concrete is the most important engineering
material and the addition of some other materials may change
the properties of concrete. With increase in trend towards the
wider use of concrete for prestressed concrete and high rise
buildings there is a growing demand of concrete with higher
compressive strength. Mineral additions which are also
known as mineral admixtures have been used with cements
for many years. Silica fume particles are 100 times smaller
than the average cement particle. Its handling and disposal is
a point of concern because of the environment concerns. Silica
fume is usually categorized as a supplementary cementitious
material. These materials exhibit pozzolanic properties,
cementitious properties and a combination of both properties.
Due to these properties, it can affect the concrete behavior in
many ways. In the present work, an attempt has been made to
use silica fume as a supplementary material for cement and to
evaluate the limit of replacement of cement for M20 grade
concrete. The main aim of this work is to study the
mechanical properties of M20 grade control concrete and
silica fume concrete with different percentages (5, 10, 15 and
20%) of silica fume as a partial replacement of cement.
Composite Concrete-Steel Construction in Tall Buildings by Dr. Naveed
The document discusses composite concrete-steel construction systems used in tall buildings. It describes how composite and mixed systems use concrete and steel acting together to provide benefits like increased strength and stiffness. Common composite elements discussed include composite floors, beams, columns, shear walls, and link beams. Composite columns provide benefits like increased strength and stiffness. Concrete-filled steel tubes are an efficient composite column type. Recent developments in composite shear walls include concrete-filled composite plate shear wall systems that offer enhanced seismic performance. Case studies of composite tall buildings in Asia are also presented.
Presentation PPT.pdf
The document discusses cable-stayed bridges, providing information on their components, design considerations, advantages, and analysis methods. It introduces the Midas Civil software for bridge design and analysis. It then discusses the Durgam Cheruvu cable-stayed bridge project in Hyderabad, India, which was proposed to ease traffic congestion. Key components of cable-stayed bridges are described, including pylons, girders, cables, and anchoring systems. Methods of structural analysis for these bridges, including for construction stages, are also summarized.
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Suspension bridges are suspended from cables. The earliest suspension bridges were made of ropes or vines covered with pieces of bamboo. In modern bridges, the cables hang from towers that are attached to caissons or cofferdams. The caissons or cofferdams are implanted deep into the bed of the lake, river or sea. Sub-types include the simple suspension bridge, the stressed ribbon bridge, the underspanned suspension bridge, the suspended-deck suspension bridge, and the self-anchored suspension bridge. There is also what is sometimes called a "semi-suspension" bridge, of which the Ferry Bridge in Burton-upon-Trent is the only one of its kind in Europe.[19]
The longest suspension bridge in the world is the 3,909 m (12,825 ft) Akashi Kaikyō Bridge in Japan.
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In recent decants steel structure had played an important role in construction
industry. Providing strength, stability, ductility for buildings designed for seismic
loads. It is necessary to design a structure that can withstand under seismic loads.
Providing steel knee braces is one of the structural systems used to resist earthquake
forces on structures. Steel bracing is economical, easy to erect and occupies less
space which is flexible to design to meet the required strength and stiffness. There are
various types of steel bracing (X, knee bracing). In knee brace frame system (KBFS)
the non-buckling diagonal bracing provide most of the lateral stiffness, the flexural
yielding of knee element. In our project a 6 storey steel frame building with knee
bracing system with floor plan of 9 m x 9m is considered. We studied the performance
of a 6 storied steel frame building with knee bracing system and compared with bare
frame. Pushover analysis, equivalent static analysis, Response Spectrum analysis,
Time history analysis is performed in ETABS based on IS 1893:2002 (part 1)
guidelines. The manual calculation was done on the basis of Equivalent static analysis
and Response spectrum analysis to find out base shear for foundation and lateral
force for each storey deck slab and compared the values with bare frame. Depending
on the complexity in the problem for bracing models, we had used Etabs software in
order to analysis the Base shear and lateral shear. The results were plotted in the
form of graphs and tables for their inter storey drift and inter storey displacement.
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This document outlines the course objectives, outcomes, syllabus, and textbooks for a "Design of Steel Structures" course. The objective is to make students conversant in designing steel structural elements per Indian code provisions. The 5-unit syllabus covers topics like steel material properties, connections, tension/compression member design, beams, plate girders, roof trusses, and limit state design methodology. Upon completing the course, students will be able to design various steel structural components and connections. The recommended textbooks provide further information on limit state design of steel structures.
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About Suspension Bridges:
A suspension bridge is a type of bridge in which the deck (the load-bearing portion) is hung below suspension cables on vertical suspenders. The first modern examples of this type of bridge were built in the early 19th century. Bridges without vertical suspenders have a long history in many mountainous parts of the world.
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- Deep beams transfer significant load through compression forces between the load and supports. Shear deformations are more prominent.
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This document discusses prestressed concrete, which uses tensioned steel cables or bars to put concrete members into compression and increase their strength. It describes three main methods: pre-tensioned concrete where the steel is tensioned before the concrete is cast; bonded post-tensioned concrete where steel is tensioned after casting to compress the concrete; and unbonded post-tensioned concrete where greased steel is used to allow individual adjustment. Applications include buildings, bridges, nuclear reactors and earthquake resistant structures. Advantages are lower costs, thinner members, and increased spans.
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Steel structures involve structural steel members designed to carry loads and provide rigidity. Some famous steel structures include the Walt Disney Concert Hall, Tyne Bridge, and Howrah Bridge. Steel structures have advantages like high strength, ductility, elasticity, and ease of fabrication and erection. The Howrah Bridge is a steel cantilever bridge that connects Howrah and Kolkata. When built, it was the 3rd longest cantilever bridge in the world. It uses steel components like I-beams, rivets, and expansion joints and was constructed between 1936-1942.
Pre-stressed concrete
Prestressed concrete uses high-strength steel tendons or cables to put concrete members into compression prior to stresses from service loads being applied. This counters the tensile stresses induced by loading and improves the behavior of the concrete. There are two main methods - pretensioning and post-tensioning. Pretensioning involves stressing steel tendons before concrete is cast, while post-tensioning stresses steel tendons after the concrete has hardened. Losses in prestress over time include elastic shortening, anchorage slip, friction, creep, shrinkage, and steel relaxation. Proper material selection and design can minimize these losses and optimize the performance of prestressed concrete.
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The document discusses the history of bridge development from natural bridges made of tree trunks and stone to modern suspension and cable-stayed bridges made of steel and concrete. It also covers basic bridge engineering concepts such as forces, loads, materials, shapes, statics, mechanics of materials, and properties of balsa wood for building model bridges. The goal is to understand how bridges work and the concepts involved in bridge design and construction.
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These slides present an introduction to Stress-Ribbon Bridges, an innovative bridge design which is aesthetic and easy to fabricate.
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The document discusses different types of structures, structural elements, and loads that act on structures. It defines structures as systems used to support loads like buildings and bridges. It describes structural analysis as predicting a structure's performance under prescribed loads. The main types of loads discussed are: dead loads from structural elements/attachments; live loads from occupancy/use; wind loads from pressure; snow loads; and earthquake loads from ground shaking. Load combinations are presented from codes like ASCE and IBC to safely design structures for all foreseeable load scenarios.
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The document describes the analysis and design of a steel truss footbridge with an isolated foundation. It discusses modeling the superstructure in STAAD PRO and Tekla Structure software. The bridge is a 9.63m high steel structure. Methodology includes drafting plans in AutoCAD, modeling in Tekla Structure, analysis in STAAD PRO, material properties, design of truss components, fabrication of steel, and conclusion. A modified queen post steel truss is analyzed and designed to be economical, safe, and easily assembled for pedestrian use.
Nanotechnology in civil engineering
Nanotechnology can improve many building materials. Concrete can be made stronger and more durable using nano-silica particles that improve packing and reduce water penetration. Glass can be made self-cleaning using titanium dioxide nanoparticles. Carbon nanotubes give steel 5 times the strength but only 1/6 the density when added to concrete. Nanoparticles in paints can make them more insulating and corrosion-resistant. While nanotechnology offers improvements, the main limitations are currently the high costs and potential environmental effects.
Susppension bridges
About Suspension Bridges:
A suspension bridge is a type of bridge in which the deck (the load-bearing portion) is hung below suspension cables on vertical suspenders. The first modern examples of this type of bridge were built in the early 19th century. Bridges without vertical suspenders have a long history in many mountainous parts of the world.
Seismic retrofitting techniques of rcc
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Tensile architecture
Tensile architecture uses tension elements like fabric or membrane to create large covered spaces with few compression members. Vladimir Shukhov was an early pioneer using tensile structures in Russia in the late 1800s. Tensile structures offer architectural design flexibility with lightweight materials that provide large clear spans economically. Common materials for tensile membranes include PVC-coated polyester and various glass fabrics coated with silicon or Teflon.
Deep beams
- Deep beams are defined as beams with a shear span to depth ratio of less than 2. They behave differently than ordinary beams due to two-dimensional loading and non-linear stress distributions.
- Deep beams transfer significant load through compression forces between the load and supports. Shear deformations are more prominent.
- Design of deep beams requires considering two-dimensional effects, non-linear stress distributions, and large shear deformations. Procedures include checking minimum thickness, designing for flexure and shear, and detailing reinforcement.
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Pre Engineered Steel buildings are the fastest systems of modern day construction, an amalgamation of Speed, functionality and durability. These are known for their unique designs, self adhesive nature, and thermal insulation properties. Delta steel provide end-to-end PEB solutions from structural design to installation
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This document discusses prestressed concrete, which uses tensioned steel cables or bars to put concrete members into compression and increase their strength. It describes three main methods: pre-tensioned concrete where the steel is tensioned before the concrete is cast; bonded post-tensioned concrete where steel is tensioned after casting to compress the concrete; and unbonded post-tensioned concrete where greased steel is used to allow individual adjustment. Applications include buildings, bridges, nuclear reactors and earthquake resistant structures. Advantages are lower costs, thinner members, and increased spans.
External Prestressing of Concrete Members
This paper deals with different methods of prestressing in concrete and the advantages and disadvantages of external prestressing.
Bridge
This document provides information about different types of bridges and the engineering design process. It describes four main types of bridges - beam, arch, suspension, and cable-stayed - and gives examples of each. It also outlines the seven steps of the engineering process as: 1) identify the problem, 2) determine constraints, 3) analysis of design, 4) design refinement, 5) implementation plan, 6) modify the implementation, and 7) implementation. The document includes images and examples to illustrate bridges and concludes with a brief quiz to test the reader's understanding.
Design of long span floor system
This document discusses long span floor systems and provides classifications and examples of different structural forms used for long spans. It discusses form active systems like cable structures, tent structures and arch structures. It also discusses section active systems like frame structures and surface active systems like shell structures and folded plate structures. Specific examples of projects using different structural forms are provided along with their advantages and limitations.
Pre-stressing
Prestressing is a technique where internal stresses are introduced into a material to counteract loads. In prestressed concrete, high-strength tendons placed under tension are used to put concrete structures into compression before loads are applied. There are two types of prestressing: pre-tensioning, where concrete is cast around tensioned tendons; and post-tensioning, where tendons are tensioned after concrete has set. Bonded post-tensioning permanently bonds tendons to concrete using grout, while unbonded post-tensioning allows tendon movement. Prestressed concrete provides benefits like crack control, durability, and ability to build larger structures. Common applications include bridges, buildings, dams, tanks, and nuclear containment
Fibre reinforced concrete
The document discusses fiber reinforced concrete (FRC), including different types of fibers used (steel, glass, synthetic), their properties, and applications. Steel fiber reinforced concrete uses thin steel wires to improve structural strength and reduce cracking. Glass fiber reinforced concrete uses fiberglass for insulation and crack prevention. Synthetic fibers like plastic and nylon improve properties like pumpability and prevent cracking and spalling. FRC provides benefits like increased tensile strength, energy absorption, impact resistance, and wear resistance. Common uses include highways, hydraulic structures, and precast applications.
Design of RC Columns - تصميم الاعمده الخرسانيه المسلحه
مُلخصات طالب فيما يخص تصميم قطاعات الاعمده الخرسانيه المسلحه طبقاً لمنهج الخرسانه المسلحه
Experimental study of precast portal frame
This document describes an experimental study comparing the structural behavior of monolithic and precast concrete portal frames. Scaled models of a monolithic frame and two precast frames (one with a corbel connection and one without) were tested under a two-point load. Test results showed that the monolithic frame had the highest deflections but lowest load capacity, while the precast frame with a corbel connection had the lowest deflections but highest load capacity. Cracks were first observed in the monolithic frame, followed by the precast frame without a corbel, with the frame with a corbel cracking at the highest loads. In conclusion, the monolithic frame was found to be the most ductile but least stiff, while
Steel structures
Steel structures involve structural steel members designed to carry loads and provide rigidity. Some famous steel structures include the Walt Disney Concert Hall, Tyne Bridge, and Howrah Bridge. Steel structures have advantages like high strength, ductility, elasticity, and ease of fabrication and erection. The Howrah Bridge is a steel cantilever bridge that connects Howrah and Kolkata. When built, it was the 3rd longest cantilever bridge in the world. It uses steel components like I-beams, rivets, and expansion joints and was constructed between 1936-1942.
Pre-stressed concrete
Prestressed concrete uses high-strength steel tendons or cables to put concrete members into compression prior to stresses from service loads being applied. This counters the tensile stresses induced by loading and improves the behavior of the concrete. There are two main methods - pretensioning and post-tensioning. Pretensioning involves stressing steel tendons before concrete is cast, while post-tensioning stresses steel tendons after the concrete has hardened. Losses in prestress over time include elastic shortening, anchorage slip, friction, creep, shrinkage, and steel relaxation. Proper material selection and design can minimize these losses and optimize the performance of prestressed concrete.
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Design of RC Columns - تصميم الاعمده الخرسانيه المسلحه
Design of RC Columns - تصميم الاعمده الخرسانيه المسلحه
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Handheld operting system
The document discusses several mobile operating systems including Palm OS, Symbian OS, Pocket PC, Linux OS, Windows Mobile, MXI, and Android. It provides overview information on each OS, such as Palm OS focusing on personal information management, Symbian OS being used in 85% of phones, Pocket PC leveraging Microsoft desktop apps, Linux being used in higher-end phones, and Android being an open source platform used widely in phones and tablets. Key advantages of mobile OSs are noted as portability while disadvantages include limited memory, slow processors, and small screens/keyboards.
Wisenet network
1) The document describes WISENET, a wireless sensor network project that monitors temperature, humidity, and light in an office environment. It uses battery-powered sensor nodes called "motes" that form self-organizing networks to communicate data.
2) The design uses commercial off-the-shelf software like Apache, MySQL, and PHP. The client accesses data through a standard web browser. A server collects data from the wireless mote network via an application called WiseDB and stores it in a database.
3) The system block diagram shows how the client, server, and wireless mote network interact. The motes use TinyOS to efficiently sense data and communicate in an ad-hoc
Future of the Internet
Presentation discusses these Internet future developments:
1. Social computing will expand to business
2. Internet access will be ubiquitous
3. The Web will become faster
4. The Web will become smarter
5. Security will improve
6. IT products will morph into services
Cybernetics - So much more than robots
This document provides an overview of cybernetic theory through a discussion of its key concepts and applications. It begins by tracing the origins of cybernetics from ancient Greece and its modern conception as the study of control and communication in biological and mechanical systems. The document then examines core cybernetic concepts like feedback, recursion, and autopoiesis. It discusses the influential Macy Conferences in the 1940s-50s and applications of cybernetics across different fields. Finally, it considers the evolution of cybernetics into areas like second-order cybernetics and its focus on the observer role.
Holographic Data Storage
Holographic data storage is a potential technology in the area of high-capacity data storage currently dominated by magnetic and conventional optical data storage. Magnetic and optical data storage devices rely on individual bits being stored as distinct magnetic or optical changes on the surface of the recording medium. Holographic data storage records information throughout the volume of the medium and is capable of recording multiple images in the same area utilizing light at different angles.
MoneyPad:The Future Wallet
The document is a seminar report on "Money Pad: The Future Wallet" presented by two students, Patel Jinkal P. and Patel Krushna C., to partially fulfill their degree at Gujarat Technological University. It discusses the future of digital currency and introduces Money Pad, a proposed electronic wallet that uses fingerprint recognition for secure transactions.
Computer Vision
Computer vision is a field that uses techniques to electronically perceive and understand images. It involves acquiring, processing, analyzing and understanding images and can take forms like video sequences. Computer vision aims to duplicate human vision abilities through artificial systems. It has applications in areas like manufacturing inspection, medical imaging, robotics, traffic monitoring and more. Some techniques used in computer vision include image acquisition, preprocessing, feature extraction, detection, recognition and interpretation.
blue ray ppt
The document summarizes the key characteristics and applications of Blu-ray disc technology. Blu-ray discs have a much higher storage capacity than DVDs, can store high-definition video and large amounts of data. They have strong copy protection, are durable, and can record and play back high-definition content like movies and television broadcasts in their original high quality. Blu-ray discs are also used for mass data storage and archiving high-definition video from camcorders.
3d internet
This document provides an overview of 3D on the web (3D internet). It discusses what 3D internet is, the applications and importance of 3D content on the web, the history and current status. Key enablers for 3D on the web have been increased bandwidth and computer processing power. 3D can be used for e-commerce, training, games, entertainment, social interaction, and education. The document also discusses technologies, design, animation, interactivity, and content creation for 3D on the web. A simple example of a 3D forest walk site is provided to illustrate how easy it can be to create basic 3D web content.
Voice Over IP (VoIP)
VoIP allows users to make phone calls using an Internet connection instead of a traditional phone line. It works by converting voice signals to digital data that is transmitted in packets over the Internet. A VoIP network uses protocols like SIP and RTP to setup calls and transmit voice data. Components include VoIP protocols, gateways to interface with the PSTN, and codecs to compress voice signals. Businesses are attracted to VoIP as it can help reduce costs while improving utilization of bandwidth and network management. However, security risks like hacking and eavesdropping exist since VoIP uses the public Internet.
Wireless networking
Wireless networking allows devices to connect to a network without cables by using technologies like Wi-Fi, Bluetooth, and HomeRF. Common types of wireless networks include peer-to-peer networks connecting devices directly and infrastructure networks with an access point connecting devices to a larger network. Key components of setting up a wireless network include wireless adapters, access points, antennas, and configuring standards and security protocols like WEP, WPA, and MAC address filtering.
Productivity
This document discusses productivity in a group project setting. It lists the group members and their roll numbers. It then provides definitions and examples of productivity, ways to measure productivity, and factors that can impact productivity. Key topics covered include partial and total productivity, benefits of productivity improvement, and quality management approaches like TQM, 5S, Six Sigma, and Kaizen.
Information technology act 2000
The Information Technology Act 2000 provides a legal framework for electronic commerce and digital signatures. It aims to facilitate electronic governance and amend various laws to apply in the digital context. The Act defines cyber crimes and sets penalties for offenses involving unauthorized computer access, cyber attacks, and tampering with digital records. It establishes authorities for issuing digital certificates and adjudicating cyber disputes, while limiting the jurisdiction of regular courts on technology-related matters.
Cryptography.ppt
This document provides an overview of cryptography. It defines cryptography as the science of securing messages from attacks. It discusses basic cryptography terms like plain text, cipher text, encryption, decryption, and keys. It describes symmetric key cryptography, where the same key is used for encryption and decryption, and asymmetric key cryptography, which uses different public and private keys. It also covers traditional cipher techniques like substitution and transposition ciphers. The document concludes by listing some applications of cryptography like e-commerce, secure data, and access control.
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Similar to wi fiber
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.
50 5 g technology
5G is the next major phase of mobile telecommunications standards beyond 4G. It will offer speeds 10 times faster than 4G and support new technologies like the Internet of Things. 5G will use new network architectures like Open Wireless Architecture and Open Transport Protocol to improve connectivity and performance. It is expected to offer speeds up to 1 Gbps with widespread availability and support applications like augmented reality, autonomous vehicles, and smart cities.
50 5 g technology
5G is the next major phase of mobile telecommunications standards beyond 4G. It will offer speeds 10 times faster than 4G and support new technologies like the internet of things. 5G will rely on new network architectures like open wireless architecture and open transport protocol to deliver high bandwidth, low latency connectivity globally at lower costs than previous standards. Its applications will include enhanced mobile broadband services, wearable devices with AI capabilities, and pervasive networking to enable new industries.
Wi-fi technology final ppt
DSL is a technology that allows high-speed data transmission over copper telephone lines. It uses frequencies not used by telephone calls. A splitter allows single telephone lines to be used for both data and voice. DSL provides inexpensive, widely available, and always-on high-speed internet access through telephone lines, though speed decreases with distance from the exchange. Common alternatives to DSL include IDSL, SDSL, and VDSL.
5G A Technology
This document discusses the evolution of wireless technologies from 1G to 5G. It describes some of the key concepts of 5G including its expected speed of 1 Gbps, use of UWB networks, smart antennas, and software defined radio. 5G is proposed to offer a unified global standard for wireless communication with virtually no limitations and support for technologies like wearable devices, virtual private networks, and voice over IP.
Modes of connecting to internet -ashok and amlesh
This presentation include brief instruction about the different modes of connecting to the internet.
5G Wireless Technology
The document discusses the evolution of wireless technologies from 1G to 5G. It describes the key concepts and architecture of 5G, including its hardware, software, and features. 5G is expected to offer speeds up to 1 Gbps, make wireless communication almost limitless, and enable new applications through its high connectivity and capabilities. It concludes that 5G will be more user-centric and available at lower costs than previous generations of wireless technology.
5G technology
The document discusses the evolution of wireless technologies from 1G to 5G. It describes the key concepts, architecture, hardware and software components of 5G. 5G is expected to offer speeds up to 1 Gbps, lower latency, and better reliability than previous generations. It will allow simultaneous connectivity through multiple access technologies and provide intelligent quality of service management across networks. The document outlines some potential applications of 5G such as wearable devices with artificial intelligence capabilities and pervasive global connectivity.
5gwirelesstechnology 121010092151-phpapp02
This document discusses the evolution of wireless technologies from 1G to 5G. It describes some of the key concepts of 5G including its expected features such as speeds up to 1 Gbps, lower latency, and more reliable connectivity worldwide compared to previous generations. The document outlines the proposed hardware and software architecture of 5G including its use of technologies like software defined radio and a single unified standard across networks. Potential applications of 5G that are mentioned include enhanced mobile broadband, the internet of things, and wireless wearable devices with artificial intelligence capabilities.
5gwirelesstechnology-121010092151-phpapp02 (1).pdf
This document discusses the evolution of wireless technologies from 1G to 5G. It describes the key concepts of 5G including its expected speed of 1 Gbps, lower latency than 4G, and ability to connect many devices simultaneously. The document outlines the proposed 5G architecture including its use of UWB networks, smart antennas, CDMA, and software-defined radios. It lists some potential applications of 5G such as wearable devices and pervasive networks, and concludes that 5G will be more user-centric compared to previous generations.
5G wireless technology and introduction of previous technologies
This document discusses the evolution of wireless technologies from 1G to 5G. It describes the key concepts of 5G including its expected speed of 1 Gbps, lower costs than previous generations, and ability to offer a "real wireless world with no limitations." 5G is predicted to support applications like wearable devices, pervasive networks, and devices enabled with voice over IP and artificial intelligence. The document outlines the proposed 5G architecture and its hardware/software components.
5G Wireless Technology
This document discusses the evolution of wireless technologies from 1G to 5G. It describes the key concepts of 5G including its expected speed of 1 Gbps, lower costs than previous generations, and ability to offer a "real wireless world with no limitations." The document outlines the proposed architecture of 5G including its use of Open Wireless Architecture at the physical and data link layers and Open Transport Protocol at the transport and session layers. It concludes by discussing some potential applications of 5G such as wearable devices and globally accessible high-speed data networks.
5gwirelesstechnology
This document discusses the evolution of wireless technologies from 1G to 5G. It describes the key concepts of 5G including its expected speed of 1 Gbps, lower costs than previous generations, and ability to offer a "real wireless world with no limitations." The document outlines the proposed architecture of 5G including its use of Open Wireless Architecture at the physical and data link layers and Open Transport Protocol at the transport and session layers. It concludes by discussing some potential applications of 5G such as wearable devices and globally accessible high-speed data networks.
5G Wireless.ppt
5G wireless technology will offer data speeds up to 1 Gbps, 10 times more capacity than 4G, and will provide ubiquitous connectivity through wearable devices and the Internet of Things. It will use new hardware like ultra wideband networks and smart antennas operating on code division multiple access. The 5G architecture is designed as an open platform across different layers, including an open wireless architecture, mobile IP networking, and an open transport protocol. 5G will enable many new applications by providing high-speed connectivity globally at a lower cost than previous generations of wireless technology.
5 g technology
This document provides an overview of 5G wireless technology. It discusses how 5G represents the next major phase in mobile telecommunications, offering speeds up to 1 Gbps which is 10 times faster than 4G. The presentation covers the evolution from 1G to 5G networks, the key architecture and hardware/software components of 5G including open wireless architecture and open transport protocol. It also outlines some of the main features, advantages, and applications of 5G technology.
5 G Wireless Technology
The 5th generation wireless technology, abbreviated as 5G, are the proposed next telecommunications standards beyond the current 4G Advanced standards. The Next Generation Mobile Networks Alliance defines the following requirements:
The data rates of tens of megabits per second for tens of thousands of users
Data rates of 100 megabits per second for metropolitan areas
5g-technology-ppt-170908173630 (1).pptx
This document summarizes 5G technology, comparing it to previous generations from 1G to 4G. 5G is expected to offer speeds up to 1 Gbps, making it 10 times faster than 4G. It will have an open wireless architecture based on new standards for the physical, data link, network, and transport layers. 5G hardware will use technologies like software-defined radio, ultra-wideband networks, and smart antennas to allow for high bandwidth, low latency connections globally. Applications of 5G include wearable devices, media streaming, and virtual/augmented reality.
Wifi wimax
This document provides an overview of Wi-Fi and WiMAX wireless technologies. It describes Wi-Fi as a wireless local area network standard based on IEEE 802.11 that provides connectivity within 300 feet of an access point. It also outlines WiMAX as a wireless broadband standard based on IEEE 802.16 that can provide connectivity up to 30 km and mobile broadband up to 3 km from a base station. The document discusses the history, standards, components, strengths and weaknesses of both Wi-Fi and WiMAX networks.
1271-150301020409-conversion-gate01.pdf
This document discusses 5G wireless technology, providing an overview of its evolution from 1G to 5G networks. 5G is expected to offer transmission speeds up to 1 Gbps, making it 10 times more capable than 4G. The key concepts of 5G include building a unified global standard for seamless connectivity across devices. The 5G architecture is designed as an open platform across different layers, from the physical layer up to the application layer. 5G will enable many new applications through its high-speed connectivity and is expected to be available at affordable rates for high quality service on a global scale.
5G technology
This document discusses 5G wireless technology, providing an overview of its evolution from 1G to 5G networks. 5G is expected to offer transmission speeds up to 1 Gbps, making it 10 times more capable than 4G. The key concepts of 5G include building a unified global standard for seamless connectivity across devices. The 5G architecture is designed as an open platform across different layers, from the physical layer up to the application layer. 5G will enable many new applications through its high-speed, low-latency connectivity.
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5gwirelesstechnology-121010092151-phpapp02 (1).pdf
5gwirelesstechnology-121010092151-phpapp02 (1).pdf
5G wireless technology and introduction of previous technologies
5G wireless technology and introduction of previous technologies
More from sourabh kant
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This document provides an overview of broadcasting via terrestrial transmission and satellite transmission. Terrestrial transmission uses frequencies between 40-70 MHz and can transmit signals up to 100 km. Satellite transmission involves geostationary satellites orbiting 35,786 km above Earth that receive and transmit signals, allowing coverage of large areas ignoring political boundaries. Key benefits of satellite communication include remote sensing for conditions like weather as well as communication with aircraft and remote areas.
Mobile communication
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New landmines detection using ground penetrating radar
This document discusses ground penetrating radar (GPR) and its application in landmine detection. GPR uses low frequency electromagnetic waves to locate underground objects by imaging reflections. It has high resolution and can detect even small, non-metallic landmines. Models are presented for how electromagnetic waves propagate through soil and interact with buried objects like landmines. Combining GPR with other technologies like nuclear quadrupole resonance could improve detection accuracy and reduce false alarms in landmine detection and removal efforts.
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OLED (organic light-emitting diode) is a light-emitting diode made by placing a series of organic thin films between two conductors. When electrical current is applied, a bright light is emitted from a device that is 100 to 500 nm thick. There are different types of OLEDs including passive matrix OLEDs, active matrix OLEDs, and foldable OLEDs. OLEDs have advantages over traditional lighting like being lightweight, thin, flexible, more energy efficient, and having faster response times. However, their manufacturing processes are currently expensive and their organic materials have limited lifetimes. OLEDs are used in displays for phones, TVs, watches and can potentially replace traditional light bulbs
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This document provides information on unmanned vehicles, including drones and driverless cars. It discusses how unmanned vehicles are controlled either autonomously through onboard computers or remotely by operators. The document also describes the roles of unmanned vehicles in both military and civilian contexts, such as reconnaissance, logistics, aerial photography, and agriculture. It notes some advantages of unmanned vehicles like reducing human exposure to danger, but also challenges like the expense and risk of errors.
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This document is a project report on total internal reflection. It consists of an introduction to total internal reflection that defines the critical angle. It then describes two interactive demos - one demonstrating total internal reflection and one demonstrating how optical fibers work using total internal reflection. The document includes a certificate of completion, acknowledgements, index, theory section, and bibliography.
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New landmines detection using ground penetrating radar
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ここ3000字までしか入らないけどタイトルの方がたくさん文字入ると思います。
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みなさんこんにちはこれ何文字まで入るの？40文字以下不可とか本当に意味わからないけどこれ限界文字数書いてないからマジでやばい文字数いけるんじゃないの？えこ...
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wi fiber
- 2. INTRODUCTION WHAT IS WIFIBER ? NEW TYPE OF WIRELESS TRANSMITTER AND RECEIVER THAT CAN SEND AND RECEIVE DATA AT RATES MORE THAN ONE GIGABIT PER SECOND
- 3. BACKGROUND Data transmission, digital transmission or digital communications is the physical transfer of data over a point to point or point to multipoint comm channel. Examples of such channels are copper wires, optical fibers, wireless comm channel and storage media. for high rate of data transmission we commonly use optical fibers. But this technology also have many disadvantages such as price, fragility etc.
- 4. WHY WI-FIBER ? It operates in the 71-76, 81-86 and 92-95ghz frequencies to avoid interference so that signal is less impeded by light, rain and fog than its other high speed wireless competitors. Fast enough to transfer 90 minutes of video from one tower to the next, more than one mile apart, in less than six seconds By comparison, the same video sent over a cable internet connection would take almost an hour to download
- 6. HOW IT WORKS WI FI BASE STATIONS BLASTS BEAMS OF DATA THROUGH FREE SPACE IT EXPLOITS A DIFFERENT PART OF THE ELECTROMAGNETIC SPECTRUM SYSTEM USE A REGION OF THE SPECTRUM NEAR VISIBLE LIGHT, AT TERAHERTZ FRQUENCIES
- 8. WIFIBER V/S WIFI LESS TRAFFIC IN THE REGION BETWEEN 70 TO 95 GHZ WIFIBER CAN SPEND LESS TIME ROUTING DATA IN COMPARISON WI FIBER IS ECONOMICAL THAN WIFI. DUE TO DIRECTIONAL NATURE OF BEAM, PROBLEM OF INTERFERENCE , ARE NOT LIKELY
- 9. PRODUCT INFORMATION DATA RATE: FROM 1.25 GBPS TO 10 GBPS SECURITY: MULTIPLE ENCRYPTION LEVELS AVAILABLE AS WELL AS NETWORK ENCRYPTION RELIANCE ANTENNAS : FLATPLATE AND PARABOLIC DESIGNS
- 10. WIFIBER APPLICATIONS DISASTER RECOVERY CAMPUS LAN STORAGE AREA NETWORK WIRELESS BACKHAUL
- 11. ADVANTAGES OVER OTHER BEST COST AND PERFORMANCE HIGHEST AVAILABILITY EASIEST TO INSTALL LOWEST EFFORT TO MAINTAIN
- 12. LIMITATIONS TRANSFER DATA AT FIXED RATE OF 1-10 GBPS SUITABLE FOR ONLY DATA TRANFER WITHIN 1 MILE
- 13. THANK YOU
Editor's Notes
- Wifiber