Cellular Signal Helps To Understand Basic †Myassignmenthelp.Com

Question: Discuss About The Cellular Signal Helps To Understand Basic? Answer: Introducation Having the right cellular signal helps to understand the basic of having signal or no signal. These antennae find wide application in building, cars, office and other places that are of significance. Their use in cars and office building has find widest application especially due to the security issues in management. Advantages They have improved signals strengths. The cellular antennae are cheap to install Most devices for cellular antennae are easily portable since most are installed in the cell phones. These antennae have boosters in case they are to be used in a large range location such as building. They are found to be most convenient for many users since they can be easily placed in undisclosed locations. Disadvantages They occur in a wide variety thus finding the right one proves to be more of agues work. Horn antennae The horn antennae are majorly used for 300 MHz to 3 GHz and frequencies that can reach up to 140 GHz. They come in various versions including H plane and E plane horn antennae. Horn antennae has several advantages. They enjoy the advantage of having limited loss. This means that directivity of this kind of antennae is almost equivalent to the gain. The antennae are also simple to manufacture in comparison to other antennae. In addition these antennae are intuitive. On the other hand, horn antennae of acoustic type can be useful transmission of sound waves such as the megaphone. Moreover, the antennae can be useful in transmitting information to the dish antennae where it acts as a means of measuring standard gain Advantages These antennae are directional with a beam width of between 500 and 700. This therefore means that they are useful for receiving lower strength signals only. The Yagi antennae have good range since their Psychology size receive high gains. The Yagi antennas have mechanism of filtering noise that comes from other sides. Yagi antenna have the advantage of being easy to mount on various structures. The Yagi antenna are sold at relatively lower cost due to their simplicity in comparison to other antennas. Multiplexing is considered to be the act of combining information streams that come from multiple sources in order to transmit them over a shared medium. In this systems every sender gets to communicate with a single receiver only. Multiplexing can be done either in form of FDMA and CDMA. FDMA Frequency Division Multiplexing Access FDMA occurs from concurrent use of the media for transmission by manifold pairs of entities. In this case, each pair is provided with a private transmission path which make them seem as though they had a separate physical transmission medium. A good example of FDMA is observed in the cable television or the original analog telephone system. The telephone has analog 300 Hz to 3400Hz voice signal being used to control subcarrier channels that were 12 and had frequencies ranging from 60 to 108 kHz. Multiplexing of the subcarrier frequencies resulted into subcarriers with 312 to 552 kHz frequency ranges. It is important to note that the same modulation method is used in every step. Further application of the FDA system were in the aerospace telemetry system. In this case, it was used for the purpose of accommodating multiple sensor data which occurred mainly on one radio channel. Improvement in technology resulted in the use of TDMA in the discussed application. Disadvantages of Frequency Division Multiplexing Access Interference occurs in situations whereby the frequencies are of two channels De-multiplexing hardware must be at a position to divide the combined signals it receive into separate carriers. CDMA Code Division Multi Access This is a pure technique often referred to as the spread spectrum. It is both digitized and spread form of the analog systems. It has a unique code that spreads voice signal over range of 1.25MHz. It produces low power level signals that are characterised by noise. It can have many signals occupying the same channel at the same time. Finds application in third generation cell phone technology. The CDMA unlike FDMA does not rely on physical properties such as frequency and time. It however, depends on unique mathematical idea in which numerical values from orthologs are combined and separated without causing any interference. In this situation, every sender of the signal has a unique binary code assigned to them. Wireless connection has become the greatest breakthrough in the current century. As a matter of fact, it would stand a test of time as one of the innovations that would be used for so many years. However, the necessity for constant improvement would make this technology make the world even a better place. The beauty of wireless connection is that it brought beauty and spaciousness in home and working areas since the numerous wired connections are being thrown away. One of the application of wireless connection in the recent world is in car security. Most security lock system of the car in the world today make good use of the wireless connection. This makes it difficult for thigs to break into cars since owners would be notified so many meters away though either their mobile devices or alarms in the keys. However, this is just a tip of the ice berg with regards to wireless connection systems. More systems of wireless connection are being crested that would bring great revolution in the world. Superfast wireless connection for HD Video This would help digital homes to have high speeds of streaming videos. This is due to the need of most homes in the world to streams movies from sites such as Netflix, Hulu etc. Increasing WI-FI bands help reduce nuisances such as slow loading time while streaming and the cancellation of connections. With high speed wireless connection, synchronization and back up of information would be easier. The speed of connection would ensure easy storage of information in back up plans such as cloud which would bring revolution to data storage from both individuals and organizations. Tap and Go WI-FI The increase in mobile device usage all over world increases the need to get information. Much of the information gotten is for the purpose of learning especially in colleges. First WI-FI would ensure first acquisition of information which would lead to improvement of learning. First flow of information would also make people well informed in every part of the globe. In Essence this would make the world a smaller global village. Seamless audio and video streaming The greatest improvement is the use of seamless audio and video streams. This means it would be possible to listen to audios and videos without use of wires. This is of great benefit to offices and homes. Cases of wires being eaten by rodents or same part of the system failing to work because of wiring problem would be reduced. The office would thus look more beautiful with less wiring systems. References Bhargava, B., Wu, X., Lu, Y., Wang, W. (2004). Integrating heterogeneous wireless technologies: a cellular aided mobile ad hoc network (CAMA).Mobile Networks and Applications,9(4), 393-408. Cao, H., Leung, V., Chow, C., Chan, H. (2009). Enabling technologies for wireless body area markets: A survey and outlook.IEEE Communications Magazine,47(12). Pahlavan, K. (2011).Principles of wireless networks: A unified approach. John Wiley Sons, Inc.. Wang, C. X., Haider, F., Gao, X., You, X. H., Yang, Y., Yuan, D., ... Hepsaydir, E. (2014). Cellular architecture and key technologies for 5G wireless communication networks.IEEE Communications Magazine,52(2), 122-130.