Step 2. Step 3. Step 4. Step 6. Step 7. The mobile device is automatically associated to the Service Set Identifier SSID broadcast by the access points to establish and maintain wireless connectivity. The WiFi subscriber traffic now has a data path through which it can flow. Skip to content Skip to footer. Available Languages. Download Options.
Updated: December 4, Contents Introduction.
Performance of Wireless Networks: Mobile Networks - High Performance Browser Networking (O'Reilly)
Prerequisites Requirements Cisco recommends that you have knowledge of these topics: Wireless Mobility call flow Components Used This document is not restricted to specific software and hardware versions. Access Point Name The APN is the name for the settings your phone reads to set up a connection to the gateway between your carrier's cellular network and the public Internet. International Mobile Subscriber Identity The IMSI is used to identify the user of a cellular network and is a unique identification associated with all cellular networks.
Step 5. They can be used within range of the mobile telephone site used to house the equipment required to transmit and receive the radio signals from these instruments. Wireless data communications allows wireless networking between desktop computers , laptops , tablet computers , cell phones and other related devices. The various available technologies differ in local availability, coverage range and performance,   and in some circumstances users employ multiple connection types and switch between them using connection manager software   or a mobile VPN to handle the multiple connections as a secure, single virtual network.
Wireless data communications are used to span a distance beyond the capabilities of typical cabling in point-to-point communication and point-to-multipoint communication , to provide a backup communications link in case of normal network failure, to link portable or temporary workstations, to overcome situations where normal cabling is difficult or financially impractical, or to remotely connect mobile users or networks.
Peripheral devices in computing can also be connected wirelessly, as part of a Wi-Fi network or directly via an optical or radio-frequency RF peripheral interface.
Design and Performance of 3G Wireless Networks and Wireless LANs
Originally these units used bulky, highly local transceivers to mediate between a computer and a keyboard and mouse; however, more recent generations have used smaller, higher-performance devices. Radio-frequency interfaces, such as Bluetooth or Wireless USB , provide greater ranges of efficient use, usually up to 10 feet, but distance, physical obstacles, competing signals, and even human bodies can all degrade the signal quality.
Wireless energy transfer is a process whereby electrical energy is transmitted from a power source to an electrical load that does not have a built-in power source, without the use of interconnecting wires. There are two different fundamental methods for wireless energy transfer. New wireless technologies, such as mobile body area networks MBAN , have the capability to monitor blood pressure, heart rate, oxygen level and body temperature. The MBAN works by sending low powered wireless signals to receivers that feed into nursing stations or monitoring sites.
This technology helps with the intentional and unintentional risk of infection or disconnection that arise from wired connections. From Wikipedia, the free encyclopedia. For other uses, see Wireless disambiguation. This article contains embedded lists that may be poorly defined, unverified or indiscriminate. Please help to clean it up to meet Wikipedia's quality standards. Where appropriate, incorporate items into the main body of the article.
December Common types. Safety and regulation.
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Reconfiguration Spread spectrum. See also: History of telecommunication. Main article: Photophone. Main article: Wireless telegraphy. Main article: History of radio.
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Main articles: Radio and Microwave transmission. Main article: Free-space optical communication. See also: Spectrum management.
Macro / Pico / Micro / Small Cells
For all wireless Internet access, see Wireless broadband. For mobile wireless Internet, see Mobile broadband. Main article: Wireless energy transfer. Retrieved Energy Technology. January CRC Press.
November The Economist. January 21, Retrieved 12 September Jayant World Scientific. Encyclopedia Britannica. Wireless Multimedia Network Technologies.
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Springer US: — IEEE Spectrum. Electronic Design. Retrieved 23 July Scientific American. Bibcode : SciAm. Fet Technology and Application. Power Electronics Technology. Informa : 52—6. September Archived PDF from the original on 22 March Retrieved 31 July Retrieved 25 May Telecom Industry News. Retrieved 2 April Tower Climber" PDF.
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Occupational Outlook Quarterly. Archived PDF from the original on February 3, Retrieved December 6, Archived from the original on September 3, Retrieved September 6, Cook and S. Das, John Wiley, New York, Automation and robotics research institute.