Bluetooth is a wireless communication technology to build small networks of devices. It was designed as a cable replacement technology. Given its widespread adoption, especially in mobile devices, new uses are possible today. For instance, one can broadcast messages to nomadic users based on their location. In this paper, we perform an experimental evaluation of whether Bluetooth is indeed a suitable technology for spontaneous networking and broadcasting. The evaluation does not only consist of a review of current hardware and software, but also of a concrete implementation tested in a controlled indoor and in a not-controlled outdoor environment. The results of the experimentation show that, despite the intrinsic limitation of the original design, Bluetooth is indeed suitable for mobile location-based broadcasting. S. Atchaya | S. Deepika | S. Selvanayaki "Bluetooth Broadcasting" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-2 | Issue-6 , October 2018, URL: http://www.ijtsrd.com/papers/ijtsrd18464.pdf
Bluetooth is a wireless communication technology to build small networks of devices. It was designed as a cable replacement technology. Given its widespread adoption, especially in mobile devices, new uses are possible today. For instance, one can broadcast messages to nomadic users based on their location. In this paper, we perform an experimental evaluation of whether Bluetooth is indeed a suitable technology for spontaneous networking and broadcasting. The evaluation does not only consist of a review of current hardware and software, but also of a concrete implementation tested in a controlled indoor and in a not-controlled outdoor environment. The results of the experimentation show that, despite the intrinsic limitation of the original design, Bluetooth is indeed suitable for mobile location-based broadcasting. S. Atchaya | S. Deepika | S. Selvanayaki "Bluetooth Broadcasting" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-2 | Issue-6 , October 2018, URL: http://www.ijtsrd.com/papers/ijtsrd18464.pdf
IOSR Journal of Computer Engineering (IOSR-JCE) is a double blind peer reviewed International Journal that provides rapid publication (within a month) of articles in all areas of computer engineering and its applications. The journal welcomes publications of high quality papers on theoretical developments and practical applications in computer technology. Original research papers, state-of-the-art reviews, and high quality technical notes are invited for publications.
It is the interconnection of multiple devices, generally termed as Hosts connected using multiple paths for the purpose of sending receiving data or media. There are also multiple devices or mediums which helps in the communication between two different devices which are known as Network devices. Ex Router, Switch, Hub, Bridge. The layout pattern using which devices are interconnected is called network topology. Such as Bus, Star, Mesh, Ring, Daisy chain. Computer network, two or more computers that are connected with one another for the purpose of communicating data electronically. Besides physically connecting computer and communication devices, a network system serves the important function of establishing a cohesive architecture that allows a variety of equipment types to transfer information in a near seamless fashion. Two popular architectures are ISO Open Systems Interconnection OSI and IBM's Systems Network Architecture SNA . Aakash Rajput "Computer Networks: Basics" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-4 | Issue-4 , June 2020, URL: https://www.ijtsrd.com/papers/ijtsrd30940.pdf Paper Url :https://www.ijtsrd.com/computer-science/computer-network/30940/computer-networks-basics/aakash-rajput
IOSR Journal of Computer Engineering (IOSR-JCE) is a double blind peer reviewed International Journal that provides rapid publication (within a month) of articles in all areas of computer engineering and its applications. The journal welcomes publications of high quality papers on theoretical developments and practical applications in computer technology. Original research papers, state-of-the-art reviews, and high quality technical notes are invited for publications.
It is the interconnection of multiple devices, generally termed as Hosts connected using multiple paths for the purpose of sending receiving data or media. There are also multiple devices or mediums which helps in the communication between two different devices which are known as Network devices. Ex Router, Switch, Hub, Bridge. The layout pattern using which devices are interconnected is called network topology. Such as Bus, Star, Mesh, Ring, Daisy chain. Computer network, two or more computers that are connected with one another for the purpose of communicating data electronically. Besides physically connecting computer and communication devices, a network system serves the important function of establishing a cohesive architecture that allows a variety of equipment types to transfer information in a near seamless fashion. Two popular architectures are ISO Open Systems Interconnection OSI and IBM's Systems Network Architecture SNA . Aakash Rajput "Computer Networks: Basics" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-4 | Issue-4 , June 2020, URL: https://www.ijtsrd.com/papers/ijtsrd30940.pdf Paper Url :https://www.ijtsrd.com/computer-science/computer-network/30940/computer-networks-basics/aakash-rajput
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Computer and Communication Networks in ODLSanjaya Mishra
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Session Overview
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The latest development in network and communication
1. SEKOLAH MENENGAH
KEBANGSAAN KUALA PERLIS
LATEST DEVELOPMENT IN NETWORK
AND COMUNICATION
NAME : MUHAMMAD DANISH DANIAL
CLASS : 5 ICT 1
I/C : 980113095103
TEACHER : PN.JULIE MOZIANDA AHAMAT
2. 1.0 INTRODUCTION
The purpose of a computer communications network is to allow moving information from one
point toanother inside the network. The information could be stored on a device, such as a
personal computer in the network, it could be generated live outside the network, such as speech,
or could be generated by a process on another piece of information, such as automatic sales
transactions at the end of a business day. The device does not necessarily have to be a computer;
it could be a hard disk, a cameraor even a printer on the network. Due to a large variety of
information to be moved, and due to the factthat each type of information has its own
conditions for intelligibility, the computer network hasevolved into a highly complex system.
Specialized knowledge from many areas of science andengineering goes into the design of
networks. It is practically impossible for a single area of science or engineering to be entirely
responsible for the design of all the components. Therefore, a study of computer networks
branches into manyareas as we go up from fundamentals to the advanced levels.
2.0 MOBILE COMPUTING
2.1DEFINITIONUsing a computing device while in transit. Mobile computing implies wireless
transmission, butwireless transmission does not necessarily imply mobile computing. Fixed
wireless applications usesatellites, radio systems and lasers to transmit between permanent
objects such as buildings andtowers
3. 2.2 SPESIFICSTION,SERVICES,AND FREQUENCIES OF MOBILE COMPUTING
BlackBerry Torch 9800
SPECIFICATION DISPLAY
–3.2 inches TFT touchscreen- QWERTY keyboard- Optical trackpad- Proximity sensor
for auto turn-off -360x480pixels
BATTERY
-Standard battery- Li-Ion 1300mAh
MEMORY -
4GBstorage, 512MBRAM, 512MBROM-microSD, up to 32GB, 4GBcard included
MAIN CAMERA -
5 pixels,- autofocus, LED flash-GVA
SERVICES WLAN
Wi-Fi 802.11b/g/n, UMA (carrier-dependent)-3G HSDPA; HSUPA- EDGE Class 10,
236.8kbps-micro USBv2.0-
Data transfer via Bluetooth
v2.1 with A2DP-A-GPS support-
Internet surfing
FREQUENCIES -2G Network
GSM 850/900/ 1800/1900
-3G Network
HSDPA 850/ 1900/2100/800
4. 3.0INTERNET TECHNOLOGY ANDSERVICES
3.1 VoIP
Voice over Internet Protocol
Example of VoIP adapter setup in residential network
is ageneral term for afamily oftransmission technologies for delivery of voice communications over
IP (internet protocol) networks such as the Internet or other packet-switched networks.
Other terms frequently encountered andsynonymous with VoIPare IPtelephony,Internet telephony,
voice over broadband(VoBB), broadband telephony, and broadband phone.
3.2BLOG
A blog is basically atype of website,like a forum orasocial bookmarkingsite. As such it is defined by
thetechnical aspects and features around it,and not bythe content published insideit.
5. 4.0 TYPES OFNETWORK
4.1 PAN
A personal area network (PAN) is acomputer network used for communication among
computer devices (including telephones and personal digital assistants) close to one's person. The
devices may ormay not belong to the person in question. Thereach of a PAN is typically a fewmeters.
PANscanbe used for communication among the personaldevices themselves
(intrapersonalcommunication), or for connecting to ahigher level network and the
Internet.Personal area networks may bewiredwith computer buses such as USBandFireWire.
4.2VPN
A virtual private network (VPN) is anetwork that uses a publictelecommunication infrastructure,
suchas the Internet, to provide remote officesor individual users with secure access totheir
organization's network. A virtual private network can be contrasted withan expensive system of
owned orleasedlines that canonly beused byoneorganization. The goal of a VPN is
to provide the organization with the samecapabilities, but at a much lower cost.
6. 4.3 WLAN
A wireless LAN (WLAN) is awirelesslocal area network that links two or morecomputers ordevices
using spread-spectrum or OFDMmodulation technology based to enable communication
betweendevices in a limited area. This gives usersthe mobility to move around within a
broadcoverage area and still beconnected tothenetwork
7. 4.4WIMAX
WiMAX, meaningWorldwide Interoperabilityfor Microwave Access, is
atelecommunicationstechnology that provideswireless transmission of datausing a variety
of transmission modes, from point-to-multipoint links to portable and fully mobileinternet access.
Thetechnology provides up to 3Mbit/s broadband speedwithout the need for cables.The technology is based
onthe IEEE 802.16 standard (also called Broadband Wireless Access). The name "WiMAX"was
created by the WiMAX Forum, which was formed in June 2001 to promote conformityand
interoperability of the standard. The forum describes WiMAX as "a standards-basedtechnology
enabling the delivery of last mile wireless broadband access as an alternative tocable and DSL"
5.0 CONCLUSIONWe can conclude that computer networks and communication makes our life
easier tocommunicate with each other and the world using the computer .