|
Nowadays cellular network is on the rise of becoming popular as
a result of the more and more common network coverage and
available mobile applications. A cellular network is a kind of
radio network which is distributed over cells,and with all cells
served by more than one basestation or cell site.Radio coverage can
be widely expanded in geographic areas when these cells are jioned
together.Under the condition of wide radio coverage make it
possible for a lot of portable transceivers such as pagers,cell
phones and so forth to communicate with each other freely and with
fixed-location transceivers and portable mobile phones everywhere
in the net work ,by way of base stations,even though part of the
transceivers are going through at least one cell during the
transmission.
Among examples of a cellular network,a mobile phone net work is the
most common one. In fact,the up-goning popularity of portable
devices for example smartphones has made date cellulr network
experienced huge growth in present years.A mobile phone makes calls
as well as receive calls by means of base station or transmitting
tower. Radio waves also play a important role in transfering
signals to and from the cell phone. Mobile phone operators have
great interest in cellular networks for it helps them to increase
their subscibers not only in coverage but also in capacity.And the
increasing coverage and capacity,in turn,produce a great wave of
mobile applications covering from small applications such as gaming
and video to large applications for example the social
networking.
Now,please pay attention to the basic structure of the cellphone
cellular network . Simply, the basic structure of the cellphone
cellular network are as follows:the base station subsystem, the
public switched telephone network, the packet switched network,and
the core circuit switched network.With these networks,the telephone
can manage both voice calls and text, mobile data well.Yet,
subscribers will get access to a wider telephony network by using
the public switched telephone network. This kind of cellular
mobile-radio network actually is the foundation of the GSM system
network.Because of the GSM system network,mobile phone users can
enjoy what they expected for the mobile phone,for instance,the
service of mobility management, call set up and handover.
The networks managed by cellular providers is no longer only focus
on cell phone any more. Cellular providers have tried their best to
make full use of the networks.For example, wireless connections for
notebook computers and even desktop systems can be achieved via
modern 3G and 4G networks and with the help of Global System for
Mobile Communications modems or Code Division Multiple Access
modems, along with cards and built-in chips and it is also ok by
connecting to the MiFi , which is a kind of mobile hotspot
device.You can also enjoy the Internet connection by connecting
your computer to your mobile phone, via a USB cable or the
internally installed “mobile hotspot” capabilities of the
phone.
|
