Mobile & Wireless Communication
Widely known a mobile phone in UK or cell phone in America or Canada is an electronic telecommunications device. Most current mobile phones connect to the network using a wireless radio wave transmission technology. These mobile phones communicate via a cellular network of base stations (cell sites), which is in turn linked to the conventional telephone network. Earlier mobile phones were operated without a cellular network.
Term GSM (Global System for Mobile Communications) is the technical standard for Mobile Phones. Generally there are GSM – 900, 1800, 850, 1900, 422 frequency bands used by GSM mobile phones. Some technologies include AMPS for analog, and TDMA, CDMA, GSM, GPRS, EV-DO, and UMTS for digital communications.
There are five major mobile phone networks in UK. Ranked accordingly the operators are T-Mobile, Vodafone, O2, Orange & 3. All five network operators have a unique radio frequency band. Today it’s a trend of 3G mobile phones which uses a 3G network, with greater bandwidth allowing faster data downloads and face-to-face video calling.
Mobile phone manufacturers include LG, Motorola, NEC, Nokia, Panasonic , Philips, Sagem, Samsung, Sanyo, Sharp, Siemens, Sony Ericsson, and Toshiba. Mobile phones often have features beyond sending text messages and make voice calls—including Internet browsing, music (MP3) playback, personal organizers, e-mail, built-in cameras and camcorders, ring tones, games, radio, Push-to-Talk (PTT), infrared and bluetooth connectivity, call registers, and ability to watch streaming video or download video for later viewing.
Understanding more on Mobile Communication Network Technically: Mobile Phones and the Networks are operated extensively different from provider to provider, and even from nation to nation. Commonly all of them communicate through electromagnetic radio waves with a cell site/base station, the antennas of which are usually mounted on a tower, pole, or building. The phones have a low-power transceiver that transmits voice and data to the nearest cell sites, usually 1 to 5 miles away. When the cellular phone or data device is turned on, it registers with the mobile telephone exchange, or switch, with its unique identifiers, and will then be alerted by the mobile switch when there is an incoming telephone call. The handset constantly listens for the strongest signal being received from the surrounding base stations.
There is no doubting the benefits of the mobile phones. Ease of communication, the anywhere, anytime contact - with friends, relations, colleagues and in theory at least the efficiency brought to busy lives. The benefits have been sold to us worldwide by the mobile phone industry, All in one to say “mobile phone is an exceptionally useful tool that advances personal communication beyond all our expectations”. We take it as a fashion or necessity now mobile phones are also an added luxury.