GMA Network

2 OFDM SYSTEM:- OFDM system is divided into three parts 1. multi carrier modulation 2. frequency division multiplexing 3. Orthogonal frequency division multiplexing. 1.Frequency division multiplexing:- Frequency Division Multiplexing is a form of signal multiplexing which involves assigning non – overlapping frequency ranges or channels to different signals or to each user of a medium. A gap is left between each of these channels to ensure that the signal of one channel does not overlap with…

Research Question: Do the health risks from using cell phones over power the necessity for them in modern times. Introduction: Everyone has been told that mobile phones pose a great health risk to them, and that they are one of the main causes of cancer, but is this really true? Are mobile phones as bad a health risk as we are made to believe? Billions of people around the world are connected due to mobile phones, which means that billions of people face the supposed dangers that mobile phones…

“Students are prohibited to using their cell phones during school hours” A teacher allows the class to take a picture of the notes they did that day. Most of the students follow through with that direction. Except one student takes a picture of another student without permission. Another student witnesses the student taking the picture. He yells to the teacher and informs her about the situation. The student has a fairly good reputation at the school and the other student has no evidence to…

When they told me the city council is considering a proposal of banding cell phones from my perspective I was in between disagreeing and agreeing, I felt like I was solving a conundrum, but I had very advantageous reasons and this is what I thought. People today use their cell phone for everything, we search Google for information, communicate with others on them, and store important information on them. If people were not allowed to use their cell phones in a privately owned business people…

Meaningful Conversations Means Meaningful Families Ever wonder what real families consist of? So many people in the world today don’t know how to communicate properly and have meaningful conversations. Most of them are just glued to their phones and they can’t even go a day without them. Families are being pulled apart not only because they’ve forgotten how to talk to people, but because of these new devices that are coming out every other month. The divorce rate has risen tremendously compared…

Modern Day Television: The Death of Cinema? In his essay "Story or Spectacle? Why Television Is Better Than the Movies," David Charpentier argues as the title states "Television is Better Than the Movies." Charpentier does this by comparing the two mediums with plot and character development. He argues television develops these better than movies with their one key advantage: time. This is simply irrefutable and film has yet to produce anything similar to modern television dramas such as Game…

911. The number everyone dreads to call. The number that can signal a small crime or even a disaster. I never thought I would have to call it, until once this summer. It was a frightening experience and not one everyone can understand. When my dad had a diabetic seizure, I had to help my mom to call 911 and make sure he was okay. It was a very frightening experience and something that I hope I will never have to do it again. It was the night before my mom, brother, and sister were going to…

Why Samsung and Nokia are different in their performance? Due to many reasons, let's start with Nokia Company. Nokia history shows that Nokia began in 1981 when the first even international mobile phone network was build. Also Nokia depend on its slogan to send massages to the customer as the slogan of Nokia logo provides the brad with an exceptional strong elevated attitude in the communication industry. Also the slogan explains the company goal to connect people by the portrait of two people…

Phone calls make our communication easier, and almost everyone in the world – whether young or old – can no longer live a day without a cellphone. It helps us contact our friends and families in a minute, and they are also very useful when it comes to emergency situations. But then again, no matter how helpful it can be, there are still some scary moments that these cellphone brings. Be it an unknown call from a stranger, a prank call, or worst, the call that can send shivers down your spine. If…

TV unlike many of us thinks is actually unscrupulous for us. We tell our kids to watch television when they are bored. Yet, by this we are doing wrong. In TV kids see inappropriate activities and can disrespect their parents. Article from, ‘‘Kids Criticize TV’’ proofs this, ‘‘Older children said television encourages them to experiment with sex too soon and to disrespect their parents.’’ Furthermore, it also lowers the relationships with parents. Kids who watch television usually sleeps…