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Wireless Communication

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             1947 marked the largest effort to date to create a true cellular wireless infrastructure as AT&T engineers scattered multiple low-power transmitters throughout a metropolitan area and actually began "handing off- radio calls from transmitter to transmitter. All of this was done from a vehicle while it moved throughout the area. From these early tests, it took almost another 20 years before the handoff was an efficient method of transferring calls along a route. It was also at that time that the FCC gave tentative approval for this new "cellular service."" In 1977, the FCC authorized two experimental licenses, one to AT&T in Chicago and another to Motorola and American Radio Telephone Service, Inc. in the Baltimore/Washington D.C. corridor. Shortly thereafter, in 1981 the FCC finally announced that there would be two licenses in every market; one for the "wireline- carriers and one for "non-wireline- carriers. So, the wireless network was born. Since then, was frequency ranges have been added to accommodate wireless network in order to accommodate the growing number of wireless users, the number of different applications and appliances which use the wireless service and also to enhance wireless and cellular services through advent of new technologies and uses. Today, there are more than 100 million Americans using some form of wireless service and it is estimated that wireless subscription will double within the next two years. .
             Wireless standards.
             The following are brief overviews of various wireless and related network standards: .
             Local Area Networks (IEEE.802).
             Wired Ethernet (IEEE 802.3).
             This standard for wired LANs originated in the late seventies and is most .
             commonly known as Ethernet. .
             Wireless Ethernet (IEEE 802.11).
             This standard defines and governs wireless local area networks (WLANs) operating in the 2.4 GHz spectrum and was ratified in 1997. .
             High Rate Wireless Ethernet (IEEE 802.11b).


Essays Related to Wireless Communication

1. Wireless Communication

... the future of this technology is unlimited. The impact of this technology on our lives will be tremendous and allow us to do things we never imagined. What Is Wireless Communication? The two main wireless services in use today are cellular and private packet radio. The service that is chosen will depend on the application(s) that a company or individual wants to run. Cellular ... improve system capacity. The growth of the service demand in the first generation analog system outpaced the system capacity in some areas. Digital communication technologies became mature enough for commercial u...

  • Word Count: 1589
  • Approx Pages: 6
  • Grade Level: Undergraduate

2. Wireless LANS

... and fast-paced society - one that refuses to be anchored to any one place, to any one relationship, and certainly not to any one form of communication, I can envision a future, increasingly dependent on a wider array of "wireless-communication" choices, in order to achieve, or maintain their independence. Certainly, today's world embraces this freedom, and its ever-increasing "mobile" lifestyle. Man's ingenuity ... is attached to the computer - usually a card that acts like a transmitter/receiver. Another device, located nearby, completes the other end of the communication path. The syste...

  • Word Count: 2231
  • Approx Pages: 9
  • Has Bibliography

3. Wireless Telecommunication

... distance being a factor. We have come a long way since smoke signals and beating drums. Nowadays there is a wide range of implementations of Wireless technology. These communication peripherals render a convenience for those who have to interact and keep in touch with the rest of the world throughout the course of the day. ... and NIC cards for laptops. The need to keep in touch has fueled the drive for innovation in the Wireless Communication Industries. Bluetooth Technology is a perfect example of the next big standard. It has revolutionized the personal connectivity market by providi...

  • Word Count: 1131
  • Approx Pages: 5

4. Wireless technology Real Estate industry

... already significantly changed the way we live, work, and communicate. Wireless computing is the hot topic of much conversation today. The concept has been around for sometime, but has been mainly utilizing communication protocols that exist over voice based. Only recently has the industry ... been taking steps to formulate a standard that is more suitable to data transmission over wireless. Clearly, we live in the midst of a revolution ... the real-estate business. As people have become more accustomed to using web sites, e-mail, cell phones, wireless personal digital assistants and ot...

  • Word Count: 4741
  • Approx Pages: 19
  • Grade Level: Undergraduate

5. Wireless Technology

... to carry information between them, so they can communicate with each other." (Wireless Technology Advisor). Everywhere we look, the wireless technology is being utilized. We have become a society that is highly dependent on wireless technologies. We use wireless communication to send information that is transmitted into the universe. The use of wireless communications over the years has grown and the technology advancing at a rapid ... pace. This paper will discuss various forms of this technology and its history. The advent of the first form of wireless technology began many years ago. ...

  • Word Count: 943
  • Approx Pages: 4
  • Has Bibliography
  • Grade Level: Undergraduate

6. Wireless Security (LANLock Design)

Design of LAN-Lock, A System for Securing Wireless Networks This article talked about the design of a secure wireless network. The designers wanted to create a wireless network that: ran under Windows 95 or NT, is compatible with the Raylink WLAN product, uses Fortezza cryptographic PCMCIA cards, provides communication between wireless hosts using Fortezza cards and wired hosts not using Fortezza cards, compatible with all Windows ... applications, transparent, and have minimal impact on communication performance. To design this system the group had to determine which level they were going to...

  • Word Count: 934
  • Approx Pages: 4

7. Smartphones and Mobile Communication Carriers

... 3G systems such as UMTS and EV-DO use different implementations of code division multiple access (CDMA) technology as the air interface of their system, which is the radio-based communication link between the mobile phone and the network. CDMA system capacity and coverage is related to the number of active users in the network. Higher number of users creates more ... increasing load, they require additional spectrum. B. Drop in End-User Experience The congestion caused by smart phones has had a serious effect on the Quality-of-Service (QoS) provided by the wireless networks. Users have ex...

  • Word Count: 1276
  • Approx Pages: 5
  • Grade Level: Undergraduate

8. Wireless

... frequent moves and changes • Scalability - WLAN systems are easily configured and rearranged to accommodate a variety of office settings and number of users, from small to extensive. How a Wireless LAN works In a typical WLAN configuration, a transmitter/receiver device, or access point, connects to the wired network from a fixed location using standard Ethernet cable. The access point receives, ... computers, ISA or PCI adapters in desktop computers, or devices integrated into a handheld unit. These adapters provide a means of communication between the network operating system and the ...

  • Word Count: 1204
  • Approx Pages: 5
  • Grade Level: Undergraduate

9. Wireless lan

... frequent moves and changes • Scalability - WLAN systems are easily configured and rearranged to accommodate a variety of office settings and number of users, from small to extensive. How a Wireless LAN works In a typical WLAN configuration, a transmitter/receiver device, or access point, connects to the wired network from a fixed location using standard Ethernet cable. The access point receives, ... computers, ISA or PCI adapters in desktop computers, or devices integrated into a handheld unit. These adapters provide a means of communication between the network operating system and the ...

  • Word Count: 1174
  • Approx Pages: 5
  • Grade Level: Undergraduate

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