Mobile phone or cell phone is a great, long-range portable electronic gadget used to communicate to anyone on the planet from anywhere.
Mobile phones are full duplex devices that use one frequency for talking and another frequency for listening. Advanced Mobile Phone System (AMPS) - The primary analog mobile standard developed by Bell Labs.
Nordic Mobile Telephony in English (NMT) - The first fully automatic cellular phone system by Nordic Telecommunications. Time division multiple access (TDMA) - Allocates a certain portion of time on a designated frequency to each call. Global System for Mobile Communication (GSM) - Implements TDMA in a different way from IS-136.
Code division multiple access (CDMA) - Provides a unique code to each call and divides this code over the available frequencies. The third generation phones are digital smart phones offering high speed data access with multimedia support. Wideband Code Division Multiple Access -W-CDMA (UMTS) - The high speed transmission protocol used in the Japanese FOMA system. Time-division Synchronous Code-division Multiple Access (TD-SCDMA) - Being developed in China on spread spectrum technology.
1926 -Radio telephony was first used on the first-class passenger trains between Berlin and Hamburg since 1926.
1950- Ships on the Rhine were among the first to use radio telephony with an untrained end customer as a user. 1984 - Bell Labs invented "call handoff" feature, to allow mobile-phone users to travel during the same conversation.
1991- The first digital 2G cellular technology was launched by Radiolinja in Finland on the GSM standard. 1991-2000 - Many different standards existed with different contenders pushing their own technologies.
2000 onwards - 3G mobile phone systems such as UMTS and CDMA2000 1xEV-DO are available for public use.
The top five mobile manufacturers practically available in all countries are Nokia, Samsung, Motorola, Sony Ericsson and LG.

Nokia - As the world's largest manufacturer of mobile telephones, Nokia's market share is approximately 36% in the first quarter of 2007. Motorola - As a global leader in providing integrated communications solutions, Motorola offers Software-enhanced wireless mobile models such as RAZRs.
Sony Ericsson - With a mission to provide the most attractive and innovative global brand in the mobile handset industry, Sony Ericsson offers some of the best mobile phone models in the world.
LG - LG offers some designer mobiles and its LG Chocolate ranges are the best sold mobiles.
Most mobile applications are based on the JavaT Micro Edition platform which is a set of technologies and specifications developed for small devices like mobile phones. In 2006, India became the top country in adding an average of 6.3 million new mobile subscribers every month. When smartphones were first introduced to the world (the IMB Simon in 1992 and the Nokia 9000 in 1996), no one imagined how much this new technology would re-define and shape the world. In mid 2011, Ipsos partnered with search giant Google, to conduct a large-scale study to probe the latest trends in 30 major markets globally. Worldwide, iOS and Android predominate compared with other operating systems such as Windows Mobile, Symbian, Windows Phone, and BlackBerry OS following behind.
With people constantly pressed for time, Hong Kong residents are using apps to escape the complexities of post-modern life.
Thomas Edwards, Global Head of Mobile Solutions at Synovate concluded, “not only are smartphone’s changing the way we live our lives but they are socially connecting millions of people around the world. Today, mobile phones perform incredible set of functions by converging voice, video, and data communications. They communicate through electromagnetic radio waves with a base station mounted on a tower. All European countries and African countries and many Asian countries have adopted GSM technology.
The study found that the highest penetrations of smartphone ownership were in Singapore (62%) and Australia. Hong Kong smartphone users are constantly looking for ways to get information and tasks completed on the go. Synovate Media Atlas China findings show that between December 2009 and December 2010, mobile internet doubled in the top four tier cities in China.

They are used to store information, perform to-do-lists, track appointments, set reminders, send and receive email, SMS, and MMS, access internet, play games, watch TV, integrate devices like PDA, PC, MP3 players, and many more.
The low power transceiver present in mobile phones help in transmission to nearest cell sites. Its new series of game phones has high-end 3D graphics, S60 operating system, user interface, camera, mobile TV, media playback features and many more. Sony Ericsson'sW44S Bravia mobile TV phone released in Japan is the best model in mobile TV phones. Mobile traffic is growing at an astounding rate: Cisco has forecast a 26-fold increase from 2010 to the end of 2015 (Cisco, 2011).
More than one-in-three (35%) Hong Kong residents now own a smartphone (Ipsos MediaCT Germany, 2011).
Even so, with 22% of Hong Kong residents having more than one phone, mobile phone penetration in Hong Kong is still one of the highest in the world. In Hong Kong, social networking is the most popular activity on the internet – 72% of internet users have participated in social networks in the past month, (Synovate, Synovate Media Atlas Hong Kong, 2011).
Furthermore, by March 2011, 90% of the population in China (Tier 1-Tier 5 cities) owned a mobile phone (Synovate, Synovate Media Atlas China, 2011). Hong Kong is currently embracing this with open arms and from a market research perspective this is very exciting. Whenever the phones are turned on, they are registered at mobile telephone exchange so that they will be alerted when they have an incoming call. In United States, Australia, Brazil, India, Japan, and South Korea GSM co-exists with other technologies like CDMA, TDMA, iDEN, PDC etc. With cell sites having relatively low-power radio transmitters, they broadcast their presence and relay communications between the mobile handsets and switch. With the introduction of third generation (3G) networks, by June 2007, there are 200 million subscribers on 3G networks. The call to another subscriber of the same wireless service provider or to the public telephone network is connected by the switch.

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