Method and system for integrated cable modem and dvb-h receiver and/or transmitter

A multimedia device, DVB-H technology, applied in the field of signal processing, can solve problems such as inter-symbol interference of received signals

Inactive Publication Date: 2008-04-02
BROADCOM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Another issue to consider is the Doppler effect in mobile user equipment, which can cause inter-symbol interference in the received signal

Method used

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  • Method and system for integrated cable modem and dvb-h receiver and/or transmitter
  • Method and system for integrated cable modem and dvb-h receiver and/or transmitter
  • Method and system for integrated cable modem and dvb-h receiver and/or transmitter

Examples

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Embodiment Construction

[0049] Some aspects of methods and systems applied to an integrated cable modem and DVB-H receiver and / or transmitter may include receiving a DVB-H signal through a DVB-H receiver integrated in a cable modem. A cable modem may include a wireless interface and / or a wired interface. The received DVB-H signal can be forwarded to a multimedia device communicatively connected to the cable modem via a wired or wireless interface. Audio and / or video signals may be generated based on the received DVB-H signal and then sent to a multimedia device communicatively connected to the cable modem. The wired interface may include an Ethernet interface or a serial port. The wireless interface may include a WLAN interface. Received DVB-H signals can be stored in memory integrated in the cable modem. Audio and / or video signals based on received DVB-H signals may be stored in a storage device coupled to the cable modem. The storage device may include a hard disk drive (HDD) or any other type ...

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Abstract

Certain aspects of a method and system for processing multimedia data may include receiving a DVB-H signal via a DVB-H receiver integrated within a cable modem. The cable modem may include a wireless interface and / or a wired interface. The received DVB-H signal may be routed from within the cable modem to a multimedia device coupled to the cable modem via the wired or wireless interface. An audio signal and / or a video signal may be generated based on the received DVB-H signal, and may be communicated to a multimedia device communicatively coupled to the cable modem. The wired interface may comprise an Ethernet interface or a serial interface. The wireless interface may comprise a WLAN interface. The multimedia signal may include a multimedia standard native to the multimedia device.

Description

technical field [0001] The present invention relates to signal processing in a multimedia communication system, and more particularly, to a method and system for processing multimedia data. Background technique [0002] Advances in wireless technology are improving broadcasting and making it more suitable for mobile services. One of the limitations is that broadcasting typically requires data transmission at high bit rates, which are beyond what existing mobile communication networks can support. But even that hurdle has been overcome with the advent of high-speed wireless communication technology. Terrestrial TV and radio networks use high-power transmitters to cover a wider service area, which enables unidirectional distribution of content such as TV and radio to user devices. In contrast, wireless telecommunications networks use low-power transmitters that cover relatively small areas called "cells." Unlike broadcast networks, wireless networks can provide two-way inte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/26
CPCY02D30/70H04H20/63H04H2201/16H04H20/57H04H60/85H04W4/06
Inventor 阿玛德雷兹·罗弗戈兰
Owner BROADCOM CORP
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