The paper "Satellite Phone Industry & Mobile Computing " is a good example of a technology research paper. In their way to current growth, mobile phone services companies faced numerous problems in the 90’ . Competition in the industry forced many companies to expand rapidly yet they no proper infrastructure which could support the needs of customers (Lim, Klein & Thatcher 2005, p. 49). One of such infrastructures is the cell sites. Lim, Klein and Thatcher (2005, p. 49) contended that lack of cell sites meant companies could not provide the required bandwidth for offering effective customers services.
The result of the situation was that several phone users could on a frequent basis face unexpected disconnection on mid-conversation. Another problem associated with mobile phone in the ’ 90s is the fact that mobile phone firms had adopted dissimilar communication technologies and frameworks in their country and even across nations (Lim, Klein & Thatcher 2005). Surprisingly, customers traveling across cities could find themselves unable to make calls due to lack of network connection. Lim, Klein and Thatcher (2005, p. 49) stated that sometimes no-connection status meant consumers were required to pay a roaming service fee for reconnection.
In addition, Lim, Klein and Thatcher (2005, p. 49) claimed that consumers who were travelling to another country were required to buy or lease new equipment to enable them to access mobile phone services. 1.2 The advantages of the satellite phone service over the cell or PCS mobile phone services Limitations of mobile phone equipment and technologies made the companies focus on satellite phone due to their advantages. Lim, Klein and Thatcher (2005, p. 49) argued that by adopting the use of the satellites to send messages, shareholders thought they could deal with infrastructure, roaming and signal quality problems which weighed down usual the phone services.
Therefore, satellite phone advantage over the cellphone is that it has more bandwidth which enabled quick transmission of voice and data (Lim, Klein & Thatcher 2005, p. 49). Unlike cell phones services, satellite phones did not need the roaming fees and also did not have problems of compatibility across the networks due to its effective and spanning infrastructure across the globe. The effective infrastructure of satellite phones enables consumers to move across countries without unexpected disconnection (Lim, Klein & Thatcher 2005, p. 49). 1.3 The advantages and disadvantages of LEO compared with GEO LEO and GEO are types of satellite systems of communication which vary based on signal strength and orbit.
Lim, Klein and Thatcher (2005, p. 50) posited that LEO satellite is frequently used by satellite phone because of its high signal strength compared to GEO which has low signal strength (see figure 1 below). In addition, LEO’ s high signal strength enables it to use mobile phones with a smaller omnidirectional antenna which is easy to carry (Lim, Klein & Thatcher 2005, p. 40).
LEO also has its disadvantages entailing financial and technical issues. Technically, companies required developing a new LEO systems design which could continuously switch the signals across satellites. According to Altinkemer, Yue & Yu (2003, p. 35), the situation is attributed to the fact that LEO satellite moves quickly compared to the orbit of the Earth and mobile phone service. Another disadvantage is that LEO is closer to the earth’ orbit compared to GEO hence it degrades rather rapidly.
In a financial perspective, it means companies needed to allocate more funds for developing new satellites quite often compared to when they had adopted GEO satellite platforms (Lim, Klein & Thatcher 2005, p. 50).
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