Friday, January 24, 2020

Great People :: miscellaneous

Great People Only great men are marked with great faults.† This quotation from â€Å"Maxims† was written by La Rochefoucauld. He states that people with nobility of their minds create many mistakes throughout their lives. This quotation is only partially correct, people do indeed have faults but it is these faults that restrict them from being great. Every person has done unpleasant acts that disassociate them from being a great person. Each day, people break society's norms or rules and most feel they have done nothing wrong. A man who has sex with the under aged girl has a justification for his actions. He tells himself that she knew what she was getting into even though he did actually rape her. Just as a man with his wife’s blood on his hands justifies that she deserved her punishment for not following his rules. Everyone breaks some form of laws through out the day. People who do not see themselves as criminals break laws, for instance the average speeder or traffic light runner. These people are in a hurry and do not want the hassle of stopping or slowing down instead they go on and have an accident. Each person has their own way of justifying their actions. Most people blame someone else for their own actions because to them they did nothing wrong. While others compare their actions to the actions of others who did a deed far worse than theirs. With this constant justification of our negative traits peoples' views of reality begin to become distorted and lost. With distortion of reality the whole society begins to shift into a greatless nation of sinners. Some people who are thought of being great discover inventions that injure or take others’ lives. For example Albert Einstein, he was the discoverer of atomic energy. This energy has been used to devastate entire cities and kill uncountable numbers of people. Atomic energy emits a massive amount of radiation that pollutes our air, water, and land leaving large areas inaccessible for years to come. Is this the work of a great individual? No, a great person would not create something that would be this destructive. Albert Einstein obviously did not know the full extent of his discovery. He did not take the time to completely research all the possibilities and consequences that came with his findings. So in other words the human race is still paying for his mistakes.

Thursday, January 16, 2020

OpenBTS

OpenBTS: A Way of Providing Internet Access to Developing CountriesAbstract The mobile network infrastructure of the twenty-first century is monolithic. It de facto closed and complex systems have few suppliers. They are mostly pre-internet protocol run, and their architectural concept keeps evolving. However, this evolution has not resulted in them being economical or flexible. Thus OpenBTS brings the empowerment that is needed to build and operate cellular networks. Given that the technologies and capabilities are necessary to make such systems is readily available. This paper will look at the OpenBTS. What it means, how it works, components needed to create it, how these components function about each other. Also, the paper will look at the cost involved in setting up OpenBTS and how viable it is in the developing nations.? OpenBTS: A Way of Providing Internet Access to Developing CountriesOpen Base Transceiver Station simply is known as OpenBTS is a GSM access point that is software based. It allows the use of mobile phones that are GSM compatible with voice over the internet protocol. The software is categorized as open source by its developers Range Networks. Its public release as an open source software revolutionized the lower three layers of the GSM protocol stack (Iedema, 22). The OpenBTS is abbreviated by the C++, as free software, its controlled by the GNU Affero General Public License terms and conditions. How the OpenBTS works. OpenBTS operates by replacing the third layer of conventional GSM operational infrastructure. As opposed to GSM system that forwards calls through the radio resource management protocol via base stations that are external, OpenBTS has internal units that perform this function. OpenBTS uses SIP to deliver calls to VOIP soft switch and therefore bypasses the need to route the call to the operator's mobile switching center Burgess (David ; Samra, 13). The VIOP software is installed, and the OpenBTS are installed in one computer to form a cellular network that delivers calls to VOIP soft switch and therefore bypasses the need to route the call to the operator's mobile switching center. The VIOP software is installed, and the OpenBTS are installed in one computer to form a cellular network that is self-sufficient. However, it also possible to configure several OpenBTS units to share a common VOIP switch to form a network.Other components of GSMGSM components can be divided into four areas. These are the MS (Mobile Station), BSS (Base-Station Subsystem, NSS (Network and Switching Subsystem) and OSS (Operation and Support Subsystem. These four elements within the GSM network operate together as one unit, and therefore users never realize the difference that exists in the System (Iedema, 32). The components would take the below shape regarding a diagram representation.The MS or mobile stations also known as the cell or mobile phones and is the part of the GSM network that is seen and operated by the users. Technological innovation has improved the size and functionality of this part of the network over the years. The mobile station has two elements that help it carry out its functions. These are the Hardware, and the Subscriber Identity Module often referred to as the SIM (David & Samra, 13). The SIM contains the user's information that the network uses to identify them and the IMSI which is the International Mobile Subscriber Identity (IMSI). The hardware contains the devices that are used to generate data and transmit it. It also contains the International Mobile Equipment Identity which is an international identification used to trace stolen phones. The BSS or Base Station Subsystem has two sections, the Base Transceiver Station (BTS) and the Base Station Controller (BSC). The BTS communicates with the mobile through an Um interface and associated protocols (Iedema, 24). The BTC provides radio resources that communicate with and control through an Abis interface. The NSS or Networking Switching Subsystem is the core element of the GSM network, and it contains several elements. These elements are Mobile Services Switching Centre which acts as the switching node and enables functions such as registration, authentication, and call location among other functions to be performed. The Home Location Register element contains the administrative information used to register the user to the network and direct calls appropriately. The Visitor Location Register contains information that allows individual users to access the services that they request. The Equipment Identity Register, checks for the International Mobile Equipment Identity to verify if the particular equipment is allowed to accesses the services. Authentication Center provides the link between the SIM card and the network through a key that helps in radio connection. The Gateway Mobile Switching Center is responsible for obtaining Mobile Station Roaming Number that helps in call termination.The other element of the GSM network is the OSS (Operation and Support Subsystem). It's the component that connects the NSS and BSC. The GSM network is controlled and monitored by this element. It also used to monitor traffic load that goes through the BSS. The connection between OpenBTS and other GSM network components OpenBTS can be connected to GSM through software or hardware. The software elements are the GNU Radio and the Asterisk. This is a software suite that has several modules that are combined with minimal hardware and used in implementing radio systems in personal computers. It's an interface that is graphical with blocks that represent stages through which data flows. This graphical representation is achieved through the use of Python programming language (David ;Samra, 13). The asterisk is the communication server that provides the capability that enables BTS to route calls accurately, perform correct registration and authentication processes in the GSM networks. The asterisk enables the network to read the Subscriber Identity Modules as the SIP user, and their International Mobile Subscriber Identity as the SIP username. This is achieved by connecting the Asterisk PBX to the OpenBTS. The other way of connecting OpenBTS to GSM network is through the use of hardware such Motherboard Ettus Research Universal Software Radio Peripheral. Also, daughterboards RFX900 with VERT900 antennas and GSM terminals equipped with SIM cards is required. The connection is made through motherboard that can accommodate several daughterboards (David ; Samra, 13). The interface between the motherboard and the daughterboards is provided by USB cable that can transmit Radio frequency bandwidth.Cost of OpenBTS and other components Compared to the traditional cell networks, OpenBTS is low in cost as most of the components needed are easily available. The software and the equipment used to create an OpenBTS through GSM network are readily available in stores and online (Heimerl et al., 3). This has made OpenBTS cost effective as compared to the traditional landline network or the other cellular networks such satellite. The only challenge that OpenBTS faces are the availability of power in rural areas that are of the grid. The use of other sources of power could prove to be expensive and drive the cost of the network high especially in a developing country where income levels are low.Feasibility of OpenBTS in the rural areaThe feasibility of OpenBTS in providing internet access in the rural and remote area is great. Through the use of simple and easily available material, networks that can cover a radius of up to 15miles is easily created (Heimerl et al., 3). This would drastically improve the coverage area of these of grid areas that would otherwise be impossible to reach. Various advantages would come with Using OpenBTS to provide internet to the rural area. The cost of OpenBTS is low compared to other forms of such as satellite or landline. The equipment and technology required to build OpenBTS are affordable and readily available. However, there are also the cons of OpenBTS (David ; Samra, 13). Several regulations hinder the development and use of this technology. The process of getting approval to develop OpenBTS network can be tiresome in some countries. Also, the radius covered by OpenBTS network can be relatively small requiring the creation of multiple networks to cover wide areas. OpenBTS in Indonesia In Indonesia, the OpenBTS is provided by an American startup Endaga. The company operates the module through the Village Base Station which is mounted on the small box and mounted on metallic poles (Heimerl ; Brewer, 3). The equipment is powered by solar panels that are mounted on the same pole. The box is further fit with management software that performs billing and analytics functions. These stations combine the function of a traditional GSM equipment and programmable computer allowing them to provide more value. They provide both voice and data capabilities to the rural villages. After experiencing success with this innovation in two primary towns, Endaga is preparing to expand to other locations within the country and the continent. Conclusion For the two first century to truly be a century of technological advance, there must be an equal distribution of internet services. Both the rural and urban areas must be covered effectively by internet services. There has been concentration on the urban areas with the number of services providers in these areas going up. However, the rural and poor areas have been given little attention or at times completely neglected. Most developing countries in Africa and Asia lack essential internet connectivity. In the areas where the services are available, they are still expensive for many who are poor. The OpenBTS promises to solve the two-fold problem that many remote and poor areas are facing. Since it allows for firms to provide for cheap internet services, it will eliminate the problem of affordability. Also, it will also offer off-grid areas that lack power. Through innovation like the one that has been exhibited by Endaga, it is now possible to provide internet services in any area. It is now upon the various governments of the developing nations to ensure that right policies that will facilitate the development of the concept is in place.

Wednesday, January 8, 2020

Hucks Contradiction in The Adventures of Huckleberry...

Hucks Contradiction in The Adventures of Huckleberry Finn In Mark Twains The Adventures of Huckleberry Finn Huck was a boy who thought very little of himself, but had a huge impact on others. His moral standing was based on what is easier, right or wrong. He lived the way he wanted to live, and no one told him otherwise. He had the adventure of a lifetime, and yet he learned along the way. Although Huck has certain beliefs about himself, his actions and decisions contradict these beliefs. Huck may consider himself lazy, but in reality, he is a very hard worker. At one point, Huck wants to get away from his father so he comes up with a scheme to fake his death and†¦show more content†¦So we shortened up one of the calico gowns and I turned up my trouser-legs to my knees and got into it. I put on the sun-bonnet and tied it under my chin. I practiced around all day to get the hang of the things, and by-and-by I could do pretty well in them (41). If Huck was even remotely lazy he would have just stayed on the island and enjoyed the freedom. His going to town as a girl shows that he will do anything to get what he wants, whereas a lazy person would try to take the easy route. A third time Huck shows that he is not lazy is when he and two scoundrels, the King and the Duke, are staying with the daughters of a recently deceased man. The King and the Duke are trying to get the dead mans assets by pretending to be his brothers. Huck goes through a lot of work to make sure the girls get to keep their money: So, thinks I, Ill go search their rooms. So then I went to his room and begun to paw around there. But I couldnt do nothing without a candle, and I dasnt light one. So I judged Id got to.lay and eavesdrop. I had it before they was half-way down the stairs. the only place I see to hide the bag was in the coffin. when we get down the river a hundred mile or two, I could write back to Mary Jane, and she could dig him up again and get it (133-135). If Huck was lazy, he would have just sit by and let the King and Duke rip the girls off. But, instead,Show MoreRelatedDehumanism In Huckleberry Finn Essay830 Words   |  4 PagesAfricanism in Huckleberry Finn: The Degradation of Jim Mark Twain paints a colorful, grossly inaccurate, picture of the â€Å"typical† black slave of the antebellum south. Simple, superstitious, subhuman. Twain’s use of Africanism in The Adventures of Huckleberry Finn allows the reader to view the slave Jim in a light that dehumanizes him and so to cause a lack of emotional attachment to him. 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