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918 Basil M. Kasasbeh, Rafa E. Al-Qutaish, Muzhir S. Al-Ani and Khalid Al-Sarayreh The trends of NG mobile system may be deployed around the year 2010. The aim is to integrate all type of services in a single frame. NG is not necessary defined by specific features but by significant advance in system capability beyond what can be achieved with 3G. The NG data transmission rate are planned to be up to 20 Mbps, which 10 times faster than the 3G. NG will allow high quality smooth video transmission. Multimedia network illustrated in Figure 2 to cover a huge number of different types of services that are compatible and accessible to the next generation mobile system. The suggestion of a new technologies supported to computers, communications and networking to standardized and merge all forms of data including audio and video in a multimedia streams. The customer can access any service via its IP address identification. This form can be standardized and any sub network can connect via adapted interface to the high speed internet to form a big and huge collection of services over the world that is the Multimedia Broadcast over a Cellular Network (MBCN). The Fast Information Channel (FIC) is transmitted using a special modulation scheme that is a Multi Carrier Modulation (MCM). The last stage before transmitter is the wide band Orthogonal Frequency Division Multiplexing (OFDM) that is able to compact wide band of information [9]. Audio Service Data Service Video Service Figure 2: Multimedia multiplexing system. Audio Encoder Packet Encoder Video Encoder Channel Coder 1 Channel Coder n Channel Coder 1 Channel Coder n Channel Coder 1 Channel Coder n Main Service Channel MSC MUX Transmitted Signal Fast Information Channel (FIC) 7. Proposed RD-TV-CM System Nowadays, we are looking for a tremendous revolution in mobile system services and applications. Different types of wireless data transmission that applied cellular technology have unsymmetrical characteristics. In order to integrate these different multimedia systems over a standard network, it must be capable to adapt these different types of data. Many important features must be standardized to reach an integrated of all available system. Wide bandwidth, high bit rate and huge amount of capacity are the most important features to recover all multimedia transmissions as well as some specifications for cellular mobile to store and display the received data. Introduction of mobile IP address offers a new technology of mobile access to all internet services with some retraction of speed. The digital TV channels can be transmitted via satellite and then received by the customer as requested information. The consumers, looking for near future, through the introduction of new mobile technologies, so by using these devices they can be able to access all the services over a separate air interface. The Transmission MUX Transmitter OFDM
Real Digital TV Accessed by Cellular Mobile System 919 proposed Real Digital TV accessed by Cellular Mobile (RD-TV-CM) may be constructed through eight items; the next subsections describe these eight items. 7.1. Satellite Configuration Many configurations can be provided between earth station and satellite antenna, and the suitable one is being used to provide point to point link between base station transmitter and Base Station Mobile Center Receiver (BS-MCR) through the satellite as shown in Figure 3. Multi Receivers 7.2. Channels Distribution Satellite 1 Transmitter 1 Figure3: Broadcasting TV satellite. Multi Receivers Multi Receivers Satellite 2 Transmitter 2 Multi Receivers The construction of BS-MCR is built to receive several satellite sits from different areas over the world. These multiple receivers are fixed on their specific areas and each sub receiver is concentrated on a number of channels. This is built through a two set of nested multiplexers, one set for satellite and the other for channels as shown in Figure 4. SAT1 SATm 7.3. Image Compression . . . . . . . . . Figure 4: Multiplexing channel system. Satellite Multiplexing SAT1_CH1 SAT1_CHn . . . . . . SATm_CHn Channel Multiplexing Selected Channel High digital TV image is at least 1024*1024 pixels. So retransmitted this form needed a huge capacity as well as high speed. The aim is to introduce this image in new form to be adapted with the suggested
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