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Mobile multimedia terminal for DVB-T and large and small cell communication

A mobile multimedia and terminal technology, applied in the direction of broadcasting transmission system, TV, two-way working system, etc., can solve the problems of not having the environment and the ability to dynamically switch to the most appropriate communication link, and achieve the effect of saving power

Inactive Publication Date: 2006-04-12
NOKIA TECHNOLOGLES OY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

furthermore, these devices do not have the ability to assess their environment and dynamically switch to the most appropriate communication link

Method used

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  • Mobile multimedia terminal for DVB-T and large and small cell communication
  • Mobile multimedia terminal for DVB-T and large and small cell communication
  • Mobile multimedia terminal for DVB-T and large and small cell communication

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Embodiment Construction

[0022] The many novel teachings of this application are described below with specific reference to presently preferred embodiments. It should be understood, however, that such embodiments provide but a few examples of the many advantageous uses of the novel teachings herein. In general, statements made in the specification of the present application do not necessarily define any of the various claimed inventions. Furthermore, some statements may apply only to some inventive features and not to others.

[0023] figure 1 A presently preferred embodiment of a mobile multimedia terminal (or MMT) is described. The MMT provides an interactive mobile environment. In the presently preferred embodiment, DVB-T receiver 102 is controlled by CPU 104 . The DVB-T receiver 102 is capable of receiving digital TV broadcasts according to the DVB-T standard. DVB-S (satellite) and DVB-C (cable) broadcasting are also standardized and available. The DVB-T standard specifies broadband channels...

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Abstract

A method and apparatus for providing an interactive mobile multimedia terminal (100). The mobile multimedia terminal (or MMT) (100) allows for wideband data stream reception using a digital data broadcast receiver (102) such as DVB-T. Interactivity is realized with built-in local or large cell size communications link (116 and 112). The local link (112) could be WLAN or Bluetooth (a low-power RF transceiver). The large cell size communications link (116) could be a mobile station link e.g., GSM, CDMA, TDMA, etc. A mobile station with a Bluetooth link can be used as an IP router or a portable base station for large cell size communication if no local connection point is found. The MMT (100) integrates DVB-T reception, digital display, and communications links together to provide interactivity in a mobile environment. The MMT communications link with a mobile station enables it to act as an extended display for the mobile station.

Description

technical field [0001] The present invention relates to multimedia terminals, and more particularly to interactive multimedia terminals using DVB (Digital Video Broadcasting) in a mobile environment. Background technique [0002] Advances in semiconductor technology and software have accelerated the boom in wireless data communications. These advances have allowed the transmission of audio and data signals over digital networks. [0003] Digital and mixed-signal systems offer many advantages over older analog systems. An important advantage is that digital systems transmit and receive more information at higher rates. Analog systems are limited to transmitting audio and video at a rate of 64 Kbps (kilobits per second), digital systems can compress these transmissions to transmit eight times the information at the same rate. Furthermore, faster processors allow digital systems to transfer bits at ever-increasing rates. By using compression programs and faster processors t...

Claims

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Application Information

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IPC IPC(8): H04N7/173H04N7/14H04B1/38H04H20/76H04N7/16H04N21/41H04N21/414H04N21/4363H04N21/462H04N21/4782H04N21/61
CPCH04N7/17318H04N7/163H04N21/43637H04N21/6131H04N21/4622H04N21/41407H04N21/4126H04N21/4782H04N21/6112H04N7/14
Inventor J·阿尔托宁A·伊科宁P·塔尔莫拉
Owner NOKIA TECHNOLOGLES OY
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