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KR100827675B1 - Multimedia device with power line communication module - Google Patents

Multimedia device with power line communication module Download PDF

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Publication number
KR100827675B1
KR100827675B1 KR1020060106430A KR20060106430A KR100827675B1 KR 100827675 B1 KR100827675 B1 KR 100827675B1 KR 1020060106430 A KR1020060106430 A KR 1020060106430A KR 20060106430 A KR20060106430 A KR 20060106430A KR 100827675 B1 KR100827675 B1 KR 100827675B1
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power line
module
line communication
controller
communication module
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KR20080038909A (en
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김영현
박병석
명노길
최문석
주성호
최인지
임용훈
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한국전력공사
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/10—Adaptations for transmission by electrical cable
    • H04N7/106—Adaptations for transmission by electrical cable for domestic distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/61—Network physical structure; Signal processing
    • H04N21/6156—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network
    • H04N21/6168—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network involving cable transmission, e.g. using a cable modem
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/61—Network physical structure; Signal processing
    • H04N21/6156—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network
    • H04N21/6175—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network involving transmission via Internet
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/643—Communication protocols
    • H04N21/64322—IP
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

본 발명은 전력선통신 모듈이 내장된 멀티미디어 장치에 관한 것으로, 그 구성은 전력선을 기반으로 통신하는 전력선통신 모듈; 영상 및 음성데이터를 처리하기 위한 멀티미디어 신호처리 모듈; 상기 전력선통신 모듈 및 멀티미디어 신호처리 모듈과 연결되어 제어하는 마이크로 컨트롤러 모듈;를 포함하며, 상기 각각의 모듈이 내장되어 하나의 단일 칩으로 이루어지는 시스템온칩;을 포함하여 이루어지는 것을 특징으로 한다.The present invention relates to a multimedia apparatus in which a power line communication module is embedded, and a configuration thereof includes: a power line communication module for communicating based on a power line; A multimedia signal processing module for processing video and audio data; And a micro-controller module connected to the power line communication module and the multimedia signal processing module for controlling, wherein each module is embedded therein and comprises a system-on-chip consisting of a single chip.

본 발명에 따르면, 변복조 기능을 수행하는 전력선통신 모듈과 고해상도 아날로그 디지털/ 디지털 아날로그 변환기, 영상 및 음성 데이터 등을 처리하기 위한 전용 디지털 멀티미디어 신호처리 프로세서, 마이크로 컨트롤러 및 복수의 통신 인터페이스를 시스템온칩화하여 고집적 및 저전력화하게 하는 효과가 있다.According to the present invention, a system for a power line communication module performing a modulation and demodulation function, a high resolution analog digital / digital analog converter, a dedicated digital multimedia signal processor, a microcontroller, and a plurality of communication interfaces for processing video and audio data are system-on-chip It is effective to make high integration and low power.

Description

전력선통신 모듈이 내장된 멀티미디어 장치{Multimedia SoC built-in PLC Module}Multimedia device with power line communication module {Multimedia SoC built-in PLC Module}

도 1은 본 발명의 전력선통신 모듈이 내장된 멀티미디어 장치를 나타내는 블럭도.1 is a block diagram showing a multimedia device with a built-in power line communication module of the present invention.

<도면 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>

10 : 시스템온칩 11 : 전력선통신 모듈10: system on chip 11: power line communication module

12 : 마이크로 컨트롤러 모듈 13 : 멀티미디어 신호처리 모듈12: microcontroller module 13: multimedia signal processing module

14 : 메모리 인터페이스 15 : 아날로그 인터페이스14 memory interface 15 analog interface

16 : PLL 주파수 합성기 17 : 변환기16: PLL Frequency Synthesizer 17: Converter

20 : 컨트롤러 모듈 30 : 전력선20: controller module 30: power line

본 발명은 전력선통신 모듈이 내장된 다기능 멀티미디어 장치에 관한 것으로서, 더욱 상세하게는 변복조 기능을 수행하는 전력선통신 모듈과 고해상도 아날로그 디지털/ 디지털 아날로그 변환기, 영상 및 음성 데이터 등을 처리하기 위한 전용 디지털 멀티미디어 신호처리 프로세서, 마이크로 컨트롤러 및 복수의 통신 인터 페이스를 시스템온칩화하여 고집적 및 저전력화하게 하는 전력선통신 모듈이 내장된 다기능 멀티미디어 장치에 관한 것이다.The present invention relates to a multi-functional multimedia device with a built-in power line communication module, and more particularly, a power line communication module for performing a modulation / demodulation function, a high resolution analog digital / digital analog converter, and a dedicated digital multimedia signal for processing video and audio data. The present invention relates to a multifunctional multimedia device having a power line communication module for processing a processor, a microcontroller, and a plurality of communication interfaces to system-on-chip to achieve high integration and low power.

일반적으로 전력선을 이용한 통신 기술은 널리 알려져 있는 기술이며, 기본적으로 전력선통신은 전송속도가 높지 않아 기기간의 통신 및 제어 목적으로 주로 사용되었다.In general, communication technology using a power line is a widely known technology. Basically, power line communication is mainly used for communication and control purposes between devices because the transmission speed is not high.

최근에는 고속 및 광대역 전력선통신 기술의 발달로 높은 데이터 전송속도를 지원할 수 있게 되고, 이러한 전송속도를 기반으로 사용자의 다양화된 멀티미디어 서비스 제공이 요구되고 있는 실정이다.Recently, with the development of high speed and broadband power line communication technology, it is possible to support a high data transmission rate, and it is required to provide various multimedia services of the user based on such a transmission rate.

본 발명은 상기와 같은 문제점을 해결하기 위해 안출된 것으로서, 본 발명의 목적은 변복조 기능을 수행하는 전력선통신 모듈과 고해상도 아날로그 디지털/ 디지털 아날로그 변환기, 영상 및 음성 데이터 등을 처리하기 위한 전용 디지털 멀티미디어 신호처리 프로세서, 마이크로 컨트롤러 및 복수의 통신 인터페이스를 시스템온칩화하여 고집적 및 저전력화하게 하는 전력선통신 모듈이 내장된 다기능 멀티미디어 장치를 제공함에 있다.The present invention has been made to solve the above problems, an object of the present invention is a power line communication module for performing a demodulation function and a high resolution analog digital / digital analog converter, dedicated digital multimedia signal for processing video and audio data, etc. The present invention provides a multifunctional multimedia device with a power line communication module for processing a processor, a microcontroller, and a plurality of communication interfaces to system-on-chip to achieve high integration and low power.

본 발명은 앞서 본 목적을 달성하기 위하여 다음과 같은 구성을 가진다.The present invention has the following configuration to achieve the above object.

본 발명의 전력선통신 모듈이 내장된 멀티미디어 장치는, 전력선을 기반으로 통신하는 전력선통신 모듈; 영상 및 음성데이터를 처리하기 위한 멀티미디어 신호처리 모듈; 상기 전력선통신 모듈 및 멀티미디어 신호처리 모듈과 연결되어 제어하 는 마이크로 컨트롤러 모듈;를 포함하며, 상기 각각의 모듈이 내장되어 하나의 단일 칩으로 이루어지는 시스템온칩;을 포함하여 이루어지는 것을 특징으로 한다.A multimedia apparatus incorporating a power line communication module of the present invention includes: a power line communication module for communicating based on a power line; A multimedia signal processing module for processing video and audio data; And a micro-controller module connected to and controlled by the power line communication module and the multimedia signal processing module, wherein each of the modules is embedded and includes a system-on-chip consisting of a single chip.

또한 상기 시스템온칩은 아이피(Internet Protocol) 기반의 멀티미디어 서비스인 브이오아이피(Voice over Internet Protocol) 및 원격감시;을 갖도록 하며, 상기 시스템온칩은 상기 전력선을 이용해 범용비동기화송수신기 컨트롤러(Universal Asynchronous Receiver/Transmitter, UART), 범용직렬버스 컨트롤러(Universal Serial Bus, USB), 이더넷(Ethernet) 컨트롤러, 시리얼통신 컨트롤러, 키패드/터치패널/액정표시장치 컨트롤러가 적어도 하나 이상 포함된 컨트롤러 모듈;을 더 포함하고, 상기 컨트롤러 모듈을 제어할 수 있게 하는 것이 바람직하다.In addition, the system-on-chip has an Internet Protocol (VoIP) -based multimedia service (Voice over Internet Protocol) and remote monitoring; and the system-on-chip using the power line Universal Asynchronous Receiver / Receiver (Universal Asynchronous Receiver / And a controller module including at least one of a transmitter, a UART, a universal serial bus controller, an Ethernet controller, a serial communication controller, a keypad, a touch panel, and a liquid crystal display controller. It is desirable to be able to control the controller module.

그리고 상기 시스템온칩은 메모리 인터페이스, 아날로그 인터페이스, 주파수 합성기 및 디지털/아날로그 변화기;를 더 포함한다.The system on chip further includes a memory interface, an analog interface, a frequency synthesizer, and a digital / analog converter.

이하, 첨부된 도면을 참조하여 본 발명의 바람직한 실시예를 설명한다.Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

우선 도면의 구성요소들이 참조부호를 부가함에 있어서, 동일한 구성요소들에 한해서는 비록 다른 도면상에 표시되더라도 가능한 동일한 부호를 가지도록 하고 있음에 유의해야 한다. 또한 본 발명을 설명함에 있어서, 관련된 공지 기능 혹은 구성에 대한 구체적인 설명이 본 발명의 요지를 불필요하게 흐릴 수 있다고 판단되는 경우 그 상세한 설명을 생략한다.First of all, it is to be noted that, in addition to the reference numerals of the components of the drawings, only the same components have the same reference numerals as much as possible even if they are shown in different drawings. In addition, in describing the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

도 1에 도시된 바에 의하면 본 발명인 전력선통신 모듈이 내장된 멀티미디어 장치는 시스템온칩(10), 컨트롤러 모듈(20) 및 전력선(30)이 서로 연결되어 이루어 진다.As shown in FIG. 1, the multimedia device incorporating the present invention includes a system-on-chip 10, a controller module 20, and a power line 30.

상기 시스템온칩(10)은 전력선통신 모듈(11)과, 실시간 음성, 영상 및 데이터의 인코딩/디코딩 기능을 수행하는 멀티미디어 신호처리 모듈(13)과, 상기 멀티미디어 신호처리 모듈과 전력선통신 모듈(11)을 제어하고 관리하는 마이크로 컨트롤러 모듈(12)을 포함한다.The system-on-chip 10 includes a power line communication module 11, a multimedia signal processing module 13 for performing an encoding / decoding function of real-time voice, video and data, and the multimedia signal processing module and power line communication module 11 It includes a microcontroller module 12 for controlling and managing.

또한 상기 시스템온칩(10)에는 메모리 인터페이스(14), 아날로그 인터페이스(15), 상기 마이크로 컨트롤러 모듈(12)의 동작주파수를 생성해주는 PLL(Phase Locked Loop) 주파수 합성기(16) 및 아날로그-디지털 또는 디지털-아날로그로 입출력되는 인터페이스를 만들어주는 디지털/아날로그 변환기(17)를 더 구비하고 있다.The system-on-chip 10 also includes a memory interface 14, an analog interface 15, a phase locked loop frequency synthesizer 16 for generating an operating frequency of the microcontroller module 12, and an analog-digital or digital signal. It further includes a digital-to-analog converter 17 for making an interface to input and output to analog.

그리고 상기 시스템온칩(10)에는 상기 전력선(30)을 이용해 범용비동기화송수신기 컨트롤러(Universal Asynchronous Receiver/Transmitter, UART), 범용직렬버스 컨트롤러(Universal Serial Bus, USB), 이더넷(Ethernet) 컨트롤러, 시리얼통신 컨트롤러, 키패드/터치패널/액정표시장치 컨트롤러가 적어도 하나 이상 포함된 컨트롤러 모듈을 더 포함하고, 상기 컨트롤러 모듈(20)을 제어할 수 있게 하고 있다.In addition, the system-on-chip 10 uses the power line 30 for a universal asynchronous receiver / transmitter controller (UART), a universal serial bus controller (USB), an Ethernet controller, and serial communication. The controller further includes a controller module including at least one controller, a keypad, a touch panel, and a liquid crystal display device, and controls the controller module 20.

상기 전력선통신 모듈(11)에는 전력선통신을 수행하기 위한 데이터 인터페이스를 포함한 핵심 변복조기(32bit RISC-Reduced Instruction Set Computer) 프로세서, 각각 아나로그 또는 디지털 신호로 변화해주는 변화기, 변환기의 기준 주파수를 생성하는 로우젝터(Low Jitter) PLL, 수신신호의 레벨을 검출하고 크기를 조정하는 AGC(Automatic Gain Controller)가 구성되어 있다.The power line communication module 11 includes a 32-bit RISC-Reduced Instruction Set Computer (32-bit RISC-Reduced Instruction Set Computer) processor including a data interface for performing power line communication, and generates a reference frequency of a transducer and a converter, each of which is converted into an analog or digital signal. A low jitter PLL and an AGC (Automatic Gain Controller) that detects and adjusts the level of the received signal are configured.

이하, 본 발명의 작동상태를 설명한다.Hereinafter, the operating state of the present invention will be described.

외부에서 입력되는 데이터 중에서 통신신호는 전력선통신 모듈(11)로 전달되어 DMT(Discrete Multi-Tone) 변조 과전을 거친 후 변환기(17)를 통과하여 아날로그 형태로 전력선(30)에 인가된다. 입력되는 데이터가 멀티미디어 데이터일 경우 많은 연산량을 필요로 하므로 상기 마이크로 컨트롤러 모듈(12)에 인가하지 않고, 전용 RISC 프로세서(미도시)와 고성능 플로팅 포인트(Floating Point) 신호 프로세서(미도시)가 내장된 멀티미디어 신호처리 모듈(13)을 이용해 처리하도록 하고, 처리된 신호는 비디오 및 오디어 인코더에 의해 H.264, MPEG-2, MPEG-4, JPEG 및 MP3 등으로 압축된 후 전력선통신 모듈(11)에 전달되어 변조 과정을 거친 후 아날로그 형태로 전력선(30)에 인가된다.Among the data input from the outside, the communication signal is transmitted to the power line communication module 11 and subjected to a Discrete Multi-Tone (DMT) modulation overload, and then passes through the converter 17 and is applied to the power line 30 in an analog form. If the input data is multimedia data, a large amount of computation is required, and thus a dedicated RISC processor (not shown) and a high-performance floating point signal processor (not shown) are built-in without being applied to the microcontroller module 12. After processing using the multimedia signal processing module 13, the processed signal is compressed by H.264, MPEG-2, MPEG-4, JPEG and MP3 by video and audio encoder, and then the power line communication module 11 After passing through the modulation process is applied to the power line 30 in an analog form.

상기 전력선(30)을 통해 수신된 신호 중 통신신호는 전력선통신 모듈에서 복조과전을 거친 후 컨트롤러 모듈(20)을 통해 복수개의 컨트롤러(21)에 전달되어 사용자가 원하는 형태로 출력된다. 여기서 상기 컨트롤러(21)는 범용비동기화송수신기 컨트롤러(Universal Asynchronous Receiver/Transmitter, UART), 범용직렬버스 컨트롤러(Universal Serial Bus, USB), 이더넷(Ethernet) 컨트롤러, 시리얼통신 컨트롤러, 키패드/터치패널/액정표시장치 컨트롤러를 지칙 한다. 그리고 멀티미디어 정보는 전력선통신 모듈에서 변조된 후 디지털 신호 모듈에서 디코딩되어 컨트롤러 모듈(20)을 통해 주변장치로 전달된다. 이때 상기 마이크로 컨트롤러 모듈(12)은 전력선통신 모듈(11) 및 멀티미디어 신호처리 모듈(13)과 연결하여 각각을 제어 관리할 수 있게 한다. 그리고 메모리 인터페이스(14)를 이용해 각각의 저리 관정이나 데이터를 정장관리 할 수 있게 하는 것이다.The communication signal among the signals received through the power line 30 passes through a demodulation oversight in the power line communication module and then is transmitted to the plurality of controllers 21 through the controller module 20 and output in a form desired by the user. The controller 21 is a universal asynchronous receiver / transmitter controller (UART), a universal serial bus controller (Universal Serial Bus, USB), Ethernet (Ethernet) controller, serial communication controller, keypad / touch panel / liquid crystal Instruct the display controller. The multimedia information is modulated by the power line communication module, decoded by the digital signal module, and transmitted to the peripheral device through the controller module 20. At this time, the microcontroller module 12 is connected to the power line communication module 11 and the multimedia signal processing module 13 to control and manage each. In addition, the memory interface 14 may be used to formally manage each interest rule or data.

예컨대 외부로부터 인가된 통신신호 및 멀티미디어 신호를 변복조하여 전력선통신 모듈(11)을 통해 전력선(30)에 인가하고, 인가된 통신신호 및 멀티미디어 신호를 컨트롤러 모듈(20)로 인가하여 주변장치를 제어할 수 있게 한다. 그리고 주변장치에서 인가되는 통신신호 및 멀티미디어 신호는 컨트롤러 모듈(20)을 통해 전력선에 인가하고 인가된 신호를 다시 전력선통신 모듈(11)로 인가하여 통신신호 및 멀티미디어 신호를 변복조한 후 전달하는 것이다. 즉, 상기 시스템온칩(10)은 각각의 구성을 하나의 단일화된 칩에 내장시킴으로써 콘펙트화를 실현할 수 있게 하고 이로 인해 전력소모를 최소화할 수 있게 됨과 동시에 사용자가 요구하는 다양한 형태의 멀티미디어에 대응할 수 있게 된다.For example, by modulating and demodulating the communication signal and the multimedia signal applied from the outside to the power line 30 through the power line communication module 11, and applying the applied communication signal and multimedia signal to the controller module 20 to control the peripheral device. To be able. The communication signal and the multimedia signal applied from the peripheral device are applied to the power line through the controller module 20, and the applied signal is applied to the power line communication module 11 again to modulate and demodulate the communication signal and the multimedia signal. That is, the system-on-chip 10 can realize compactization by embedding each component in one single chip, thereby minimizing power consumption and corresponding to various types of multimedia required by the user. It becomes possible.

이상의 본 발명은 상기에 기술된 실시예들에 의해 한정되지 않고, 당업자들에 의해 다양한 변형 및 변경을 가져올 수 있으며, 이는 첨부된 청구항에서 정의되는 본 발명의 취지와 범위에 포함된다.The present invention is not limited to the embodiments described above, and various modifications and changes can be made by those skilled in the art, which are included in the spirit and scope of the present invention as defined in the appended claims.

본 발명에 따르면, 변복조 기능을 수행하는 전력선통신 모듈과 고해상도 아날로그 디지털/ 디지털 아날로그 변환기, 영상 및 음성 데이터 등을 처리하기 위한 전용 디지털 멀티미디어 신호처리 프로세서, 마이크로 컨트롤러 및 복수의 통신 인터페이스를 시스템온칩화하여 고집적 및 저전력화하게 하는 효과가 있다.According to the present invention, a system for a power line communication module performing a modulation and demodulation function, a high resolution analog digital / digital analog converter, a dedicated digital multimedia signal processor, a microcontroller, and a plurality of communication interfaces for processing video and audio data are system-on-chip It is effective to make high integration and low power.

Claims (4)

전력선을 기반으로 통신하는 전력선통신 모듈;A power line communication module for communicating based on a power line; 영상 및 음성데이터를 처리하기 위한 멀티미디어 신호처리 모듈;A multimedia signal processing module for processing video and audio data; 상기 전력선통신 모듈 및 멀티미디어 신호처리 모듈과 연결되어 제어하는 마이크로 컨트롤러 모듈;를 포함하며,And a microcontroller module connected and controlled with the power line communication module and the multimedia signal processing module. 아이피(Internet Protocol) 기반의 멀티미디어 서비스인 브이오아이피(Voice over Internet Protocol) 및 원격감시를 가지며, 상기 각각의 모듈이 내장되어 하나의 단일 칩으로 이루어지며, 시스템온칩;을 포함하여 이루어지는 것을 특징으로 하는 전력선통신 모듈이 내장된 멀티미디어 장치. IP (Internet Protocol) -based multimedia service has a voice over Internet Protocol (VoIP) and remote monitoring, each module is built into a single chip, a system on a chip; characterized in that it comprises a Multimedia device with a built-in power line communication module. 삭제delete 제 1 항에 있어서,The method of claim 1, 상기 시스템온칩은 상기 전력선을 이용해 범용비동기화송수신기 컨트롤러(Universal Asynchronous Receiver/Transmitter, UART), 범용직렬버스 컨트롤러(Universal Serial Bus, USB), 이더넷(Ethernet) 컨트롤러, 시리얼통신 컨트롤러, 키패드/터치패널/액정표시장치 컨트롤러가 적어도 하나 이상 포함된 컨트롤러 모듈;을 더 포함하고, 상기 컨트롤러 모듈을 제어할 수 있게 하는 것을 특징으로 하는 전력선통신 모듈이 내장된 멀티미디어 장치.The system-on-chip uses the power line to control Universal Asynchronous Receiver / Transmitter (UART), Universal Serial Bus (USB), Ethernet (Ethernet) controller, serial communication controller, keypad / touch panel / And a controller module including at least one liquid crystal display controller, wherein the controller module controls the controller module. 제 3 항에 있어서,The method of claim 3, wherein 상기 시스템온칩은 메모리 인터페이스, 아날로그 인터페이스, 주파수 합성기 및 디지털/아날로그 변화기;를 더 포함하는 것을 특징으로 하는 전력선통신 모듈이 내장된 멀티미디어 장치.The system-on-chip further includes a memory interface, an analog interface, a frequency synthesizer and a digital / analog converter.
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