Wireless Networking Assignment (Doc)
Added on 2020-11-12
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Wireless Networking
TABLE OF CONTENTSINTRODUCTION................................................................................................................................1TASK 1.................................................................................................................................................11) Explain different antenna, such as yagi, horn, and cellular antennas and their strengths andweakness.....................................................................................................................................12) Explain any three different wireless network protocols in details and how they are used aswell their strengths and weakness...............................................................................................33) Critical reflection of research papers......................................................................................6CONCLUSION....................................................................................................................................8REFERENCES.....................................................................................................................................9
INTRODUCTIONTechnology and internet has changed the life of people. It has provided various tools andequipment’s that has enabled them to communicate with people all around the world. Thetelecommunication sector is experiencing major revolution that will shape network and servicesdesigns and deployment in the future. Also, it has made the communication quick and effective.The invention of wireless technology has increased range of sharing information (Amadeo andet.al., 2014). Moreover, many wireless technologies have emerged and is used by business that isoperating all around the world. Another advantage wireless technology has given is it hasovercome the traditional way of exchanging information. This report will describe the differenttypes of antenna and its strengths and weakness. Also, it will show how they will be useful in thefuture. Moreover, it is also discussed the protocols are followed and their strengths and weaknessand challenges that are being faced. TASK 11) Explain different antenna, such as yagi, horn, and cellular antennas and their strengths andweaknessAn antenna is a basic component that is required in electric circuit. It creates interlinkbetween transmitter and receiver. An antenna acts an as interface between radio waves thatconvert radio frequency (RF) signals into alternating current (AC). The different types of antennaare as follows: - Yagi – It is known as Yagi uda antenna that is multi directional consisting of several elements inparallel line. These lines are made of metal. This antenna is connected to a transmitter with atransmission line (Bernardos and et.al., 2014). Also, it includes parasitic elements which operateby re radiating their signals. These signals are reverted in different directions. In this, it isdifficult to control the induced current and amplitude of elements. In this there are three elementsthat is as follows: - Drivenelement- It is the power source that is normally a half wave or folded dipole. Reflector- It is behind the driven element. Yagi antenna only have one reflector. Morecan be added in order to improve the performance of antenna.
Director – They are placed at front. Each director can 1Db of gain. Strengths The range of antenna is very high. It can have a 50 to 70 beam width. As they focus onone direction, they can easily receive lower signals. They filter out signals from opposite direction. This helps in effectivetelecommunication.They are less costly as compared to LP antenna. Weakness Frequency is limited.To obtain high gain level, more directors has to be installed that makes antenna verylong. Horn - It consists of a horn shape metal that directs radio waves into beam. They are highly usedfor ultra-high and microwave frequencies above 300 MHz (Wu, Wang & Youn, 2014). There areseveral types of horn antenna such as pyramid, H plan, E plane, etc. Strengths – It does not require a resonant element thus its bandwidth is very wide that ranges from 1to 10 GHz.They are less costly and easy to construct (Microwave horn antenna, 2018).WeaknessThey are rarely used because of low microwave frequency range. The gain of horn antenna is limited to 20Db. Cellular antenna- It is a communication network in which connection is wireless. It is the mostcommonly and widely used antenna. In this network is distributed in areas known as cells, inwhich transceiver is installed. The station is used for network coverage through which voice,data are transmitted. These networks are usually used by telecommunication companies.
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