KR20030097551A - Method for receiving and displaying audio and video signals transmitted from IMT-2000 cellular phone by a video telecommunicating apparatus connected to an wireless LAN or super-express telecommunicating network - Google Patents

Method for receiving and displaying audio and video signals transmitted from IMT-2000 cellular phone by a video telecommunicating apparatus connected to an wireless LAN or super-express telecommunicating network Download PDF

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KR20030097551A
KR20030097551A KR1020020034961A KR20020034961A KR20030097551A KR 20030097551 A KR20030097551 A KR 20030097551A KR 1020020034961 A KR1020020034961 A KR 1020020034961A KR 20020034961 A KR20020034961 A KR 20020034961A KR 20030097551 A KR20030097551 A KR 20030097551A
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video
imt
video signals
communication device
receiving
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KR1020020034961A
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Korean (ko)
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황영모
김용훈
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주식회사에스엘디
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    • 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]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/4104—Peripherals receiving signals from specially adapted client devices
    • H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
    • H04N21/41265—The peripheral being portable, e.g. PDAs or mobile phones having a remote control device for bidirectional communication between the remote control device and client device
    • 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]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/4363—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network
    • H04N21/43632—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network involving a wired protocol, e.g. IEEE 1394
    • 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]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
    • H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display

Abstract

PURPOSE: A method for receiving audio and video signals transmitted from an IMT-2000 wireless terminal through a wire video communication device connected to a wireless local area network(LAN) or very high speed communication network, and displaying the same is provided to realize communication with an IMT-2000 wireless terminal by wire. CONSTITUTION: A sender transmits audio and video signals to a base station of a communication company through an international mobile telecommunication(IMT)-2000 wireless terminal. The base station of the communication company receives the audio and video signals for transferring the same to a video communication device installed at home or in an office of a recipient via a switching center through a very high speed communication network. The video communication device converts a format of the video signals into a display format. The converted video signals are interpolated to prevent signal distortion due to blocking. The format of the video signals is converted into a video format according to a signal process method of a display device installed at home of the recipient. The video signals are displayed through a display of the video communication device.

Description

아이엠티-2000 무선 단말기로부터 전송된 음성 및 영상신호를 무선 랜 또는 초고속 통신망에 연결된 유선 비디오 통신 장치를 통해 수신하고 디스플레이 하기 위한 방법 {Method for receiving and displaying audio and video signals transmitted from IMT-2000 cellular phone by a video telecommunicating apparatus connected to an wireless LAN or super-express telecommunicating network}Method for receiving and displaying audio and video signals transmitted from an IMT-2000 wireless terminal through a wired video communication device connected to a wireless LAN or a high speed communication network {Method for receiving and displaying audio and video signals transmitted from IMT-2000 cellular phone by a video telecommunicating apparatus connected to an wireless LAN or super-express telecommunicating network}

본 발명은 IMT-2000 무선 단말기로부터 전송된 음성 및 영상신호를 무선 LAN 또는 초고속 통신망에 연결된 유선 비디오 통신 장치를 통해 수신하고 디스플레이 하기 위한 방법에 관한 것이다.The present invention relates to a method for receiving and displaying audio and video signals transmitted from an IMT-2000 wireless terminal through a wired video communication device connected to a wireless LAN or a high speed communication network.

차세대 무선 이동통신 서비스인 IMT-2000 무선통신 서비스는 현재 모든 기술적 문제점을 해결하여 상용화 직전의 단계에 있다. 그러나 현재 추진중인 IMT-2000 무선통신 서비스는 IMT-2000 무선 단말기간의 통신 서비스에 국한하여 개발되고 있다.The next generation wireless mobile communication service, IMT-2000 wireless communication service is in the stage of commercialization by solving all technical problems. However, the IMT-2000 wireless communication service currently under development is limited to the communication service between IMT-2000 wireless terminals.

그러나 가정이나 사무실에서는 일반 전화기와 같이 책상 또는 탁자에 놓여진 상태로서 IMT-2000 무선 단말기와의 통화가 가능한 제품 및 방법을 요구하게 될 것이다. 이와 같은 제품에서는 IMT-2000 무선 단말기로부터 전송된 영상신호를 디스플레이 해주는 모니터가 필수적이다.However, homes and offices will require products and methods that allow them to talk to the IMT-2000 wireless terminal while being placed on a desk or table like a regular telephone. In such a product, a monitor for displaying a video signal transmitted from an IMT-2000 wireless terminal is essential.

따라서 본 발명에서는 무선 LAN 또는 초고속 통신망에 연결된 비디오 통신장치를 일반 전화기와 같이 가정이나 사무실의 책상 또는 탁자에 올려 놓은 상태로서 차세대 무선 이동통신 서비스인 IMT-2000 무선통신 서비스를 받을 수 있는 방법을 제공하는 것을 목적으로 한다Accordingly, the present invention provides a method for receiving the IMT-2000 wireless communication service, which is a next generation wireless mobile communication service, by placing a video communication device connected to a wireless LAN or a high-speed communication network on a desk or table in a home or office like a normal telephone. We aim at

도 1 은 IMT-2000 무선 단말기로부터 전송된 음성 및 영상신호를 무선 LAN 또는 초고속 통신망에 연결된 유선 비디오 통신 장치를 통해 수신 및 디스플레이 해주는 본 발명에 의한 비디오 통신 방법의 개념도이다.1 is a conceptual diagram of a video communication method according to the present invention for receiving and displaying audio and video signals transmitted from an IMT-2000 wireless terminal through a wired video communication device connected to a wireless LAN or a high speed communication network.

상기 목적을 달성하기 위한 것으로, IMT-2000 무선 단말기로부터 전송된 음성 및 영상신호를 무선 LAN 또는 초고속 통신망에 연결된 유선 비디오 통신 장치를 통해 수신하고 디스플레이 하기 위한 본 발명에 의한 방법은 다음과 같다.In order to achieve the above object, a method according to the present invention for receiving and displaying audio and video signals transmitted from an IMT-2000 wireless terminal through a wired video communication device connected to a wireless LAN or a high-speed communication network is as follows.

즉, IMT-2000 무선 단말기로부터 전송된 음성 및 영상신호를 무선 LAN 또는초고속 통신망에 연결된 유선 비디오 통신 장치를 통해 수신 및 디스플레이 하기 위한 방법에 있어서,That is, in the method for receiving and displaying audio and video signals transmitted from an IMT-2000 wireless terminal through a wired video communication device connected to a wireless LAN or a high speed communication network,

송신자가 IMT-2000 무선 단말기를 통해 음성 및 영상신호를 통신회사의 기지국으로 송신하는 단계와,Transmitting a voice and video signal to a base station of a telecommunication company through an IMT-2000 wireless terminal;

통신회사의 기지국에서 상기 송신된 음성 및 영상신호를 수신한 후 교환국을 거쳐 초고속 통신망을 통해 수신자의 가정 또는 사무실에 비치된 비디오 통신 장치로 상기 음성 및 영상신호를 전송하는 단계와,Receiving the transmitted voice and video signal from a base station of a telecommunication company and transmitting the voice and video signal to a video communication device installed in a home or office of a receiver through a high-speed communication network through an exchange station;

상기 전송받은 영상신호를 비디오 통신 장치내에서 디스플레이 포멧으로 변환하는 단계와,Converting the received video signal into a display format in a video communication device;

블록킹(Blocking) 현상에 의한 신호 왜곡 방지를 위해 상기 디스플레이 포멧으로 변환된 영상신호를 보정하는 인터포레이션(Interpolation) 단계와,An interpolation step of correcting an image signal converted into the display format to prevent signal distortion due to a blocking phenomenon;

비디오 통신 장치내 디스플레이 장치의 신호 처리 방식에 맞춰 상기 보정된 영상신호를 비디오 포멧으로 변환하는 단계와,Converting the corrected video signal into a video format according to a signal processing method of a display device in a video communication device;

비디오 포멧으로 변환된 영상신호를 비디오 통신 장치의 디스플레이 장치를 통해 영상신호를 디스플레이하는 단계를 포함하여 이루어진다.And displaying the video signal converted into the video format through the display device of the video communication apparatus.

이때, 상기 비디오 통신 장치내에 TV 수신기가 내장되어 있어 필요시 사용자의 절환 스위치의 조작에 의해 비디오 통신 장치의 모니터로 IMT-2000 단말기로부터 수신된 영상신호와 TV 동영상 신호를 겸용으로 디스플레이 하기 위해서는,In this case, a TV receiver is built in the video communication device, and if necessary, to display the video signal and the TV video signal received from the IMT-2000 terminal on the monitor of the video communication device by operating the user's switching switch,

디스플레이 포멧으로 변환된 영상신호의 해상도를 신호의 왜곡없이 TV 수신이 가능할 정도의 해상도로 증가시키는 단계를 추가로 포함하는 것이 바람직하다.The method may further include increasing the resolution of the image signal converted into the display format to a resolution such that TV reception is possible without distortion of the signal.

상기 디스플레이 포멧은 RGB 565, True color 888 이며, 신호의 왜곡없이 TV 수신이 가능할 정도의 해상도는 640 X 480 이상의 해상도를 갖는 것이 바람직하다. 참고로 통상의 무선 단말기의 모니터의 해상도는 176 X 144 정도의 해상도를 갖는다.The display format is RGB 565, True color 888, the resolution enough to enable TV reception without distortion of the signal preferably has a resolution of 640 X 480 or more. For reference, the resolution of a typical wireless terminal monitor has a resolution of about 176 X 144.

본 발명에 있어 상기 무선 LAN 또는 초고속 통신망은 IMT-2000 무선 단말기와의 음성 및 영상신호 송수신이 가능한 정도의 통신망을 의미한다.In the present invention, the wireless LAN or a high speed communication network means a communication network capable of transmitting and receiving audio and video signals with an IMT-2000 wireless terminal.

본 발명에 의한 IMT-2000 무선 단말기로부터 전송된 음성 및 영상신호를 무선 LAN 또는 초고속 통신망에 연결된 유선 비디오 통신 장치를 통해 수신하고 디스플레이 하기 위한 방법을 이용하면 현재의 일반 전화 서비스와 같이 IMT-2000 무선 단말기와의 통신을 유선을 통해 할 수 있는 장점이 있다.By using the method for receiving and displaying voice and video signals transmitted from the IMT-2000 wireless terminal according to the present invention through a wired video communication device connected to a wireless LAN or a high-speed communication network, the IMT-2000 wireless device can be used like a current telephone service. There is an advantage that can communicate with the terminal via a wire.

또한 본 발명에 의한 비디오 통신 장치로는 IMT-2000 무선 서비스를 받을 수 있는 장점이외에 필요시 TV 모드로 절환하여 TV를 시청할 수도 있는 장점이 있다.In addition, the video communication apparatus according to the present invention has the advantage of receiving the IMT-2000 wireless service and switching to the TV mode when necessary to watch TV.

Claims (3)

IMT-2000 무선 단말기로부터 전송된 음성 및 영상신호를 무선 LAN 또는 초고속 통신망에 연결된 유선 비디오 통신 장치를 통해 수신 및 디스플레이 하기 위한 방법에 있어서,A method for receiving and displaying audio and video signals transmitted from an IMT-2000 wireless terminal through a wired video communication device connected to a wireless LAN or a high speed communication network, 송신자가 IMT-2000 무선 단말기를 통해 음성 및 영상신호를 통신회사의 기지국으로 송신하는 단계;Transmitting a voice and video signal to a base station of a telecommunication company through an IMT-2000 wireless terminal; 통신회사의 기지국에서 상기 송신된 음성 및 영상신호를 수신한 후 교환국을 거쳐 초고속 통신망을 통해 수신자의 가정 또는 사무실에 비치된 비디오 통신 장치로 상기 음성 및 영상신호를 전송하는 단계;Receiving the transmitted audio and video signals from a base station of a telecommunication company and transmitting the audio and video signals to a video communication device installed in a receiver's home or office through a high-speed communication network through an exchange station; 상기 전송받은 영상신호를 비디오 통신 장치내에서 디스플레이 포멧으로 변환하는 단계;Converting the received video signal into a display format in a video communication device; 블록킹(Blocking) 현상에 의한 신호 왜곡 방지를 위해 상기 디스플레이 포멧으로 변환된 영상신호를 보정하는 인터포레이션(Interpolation) 단계;An interpolation step of correcting an image signal converted into the display format to prevent signal distortion due to a blocking phenomenon; 비디오 통신 장치내 디스플레이 장치의 신호 처리 방식에 맞춰 상기 보정된 영상신호를 비디오 포멧으로 변환하는 단계;Converting the corrected video signal into a video format according to a signal processing method of a display device in a video communication device; 비디오 포멧으로 변환된 영상신호를 비디오 통신 장치의 디스플레이 장치를 통해 영상신호를 디스플레이하는 단계를 포함하여 이루어지는, IMT-2000 무선 단말기로부터 전송된 음성 및 영상신호를 무선 LAN 또는 초고속 통신망에 연결된 유선 비디오 통신 장치를 통해 수신 및 디스플레이 하기 위한 방법.And displaying the video signal converted into the video format through the display device of the video communication device. The wired video communication connected to the wireless LAN or the high-speed communication network by the voice and video signals transmitted from the IMT-2000 wireless terminal. Method for receiving and displaying via the device. 제 1 항에 있어서, 상기 비디오 통신 장치내에 TV 수신기가 내장되어 있어 필요시 사용자의 절환 스위치의 조작에 의해 비디오 통신 장치의 모니터로 IMT-2000 단말기로부터 수신된 영상신호와 TV 동영상 신호를 겸용으로 디스플레이 하기 위해서는,The video communication apparatus according to claim 1, wherein a TV receiver is built in the video communication apparatus so that a video signal and a TV video signal received from the IMT-2000 terminal can be simultaneously displayed on the monitor of the video communication apparatus by a user's operation of a switch. In order to do it, 디스플레이 포멧으로 변환된 영상신호의 해상도를 신호의 왜곡없이 TV 수신이 가능할 정도의 해상도로 증가시키는 단계를 추가로 포함하는 것을 특징으로 하는, IMT-2000 무선 단말기로부터 전송된 음성 및 영상신호를 무선 LAN 또는 초고속 통신망에 연결된 유선 비디오 통신 장치를 통해 수신 및 디스플레이 하기 위한 방법.The method further comprises the step of increasing the resolution of the video signal converted to the display format to a resolution such that TV reception is possible without distortion of the signal, wireless and video signals transmitted from the IMT-2000 wireless terminal Or receiving and displaying through a wired video communication device connected to a high speed communication network. 제 1 항 또는 제 2 항중 어느 한 항에 있어서, 상기 디스플레이 포멧은 RGB 565, True color 888 이며, 신호의 왜곡없이 TV 수신이 가능할 정도의 해상도는 640 X 480 이상의 해상도인 것을 특징으로 하는, IMT-2000 무선 단말기로부터 전송된 음성 및 영상신호를 무선 LAN 또는 초고속 통신망에 연결된 유선 비디오 통신 장치를 통해 수신 및 디스플레이 하기 위한 방법.The display format according to any one of claims 1 to 4, wherein the display format is RGB 565, True color 888, and the resolution enough to allow TV reception without signal distortion is at least 640 × 480 resolution. 2000 A method for receiving and displaying audio and video signals transmitted from a wireless terminal via a wired video communication device connected to a wireless LAN or a high speed communication network.
KR1020020034961A 2002-06-21 2002-06-21 Method for receiving and displaying audio and video signals transmitted from IMT-2000 cellular phone by a video telecommunicating apparatus connected to an wireless LAN or super-express telecommunicating network KR20030097551A (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10308981A (en) * 1997-05-09 1998-11-17 Kyocera Corp Radio communication system for digital camera
JPH11168571A (en) * 1997-12-02 1999-06-22 Mitsubishi Electric Corp Moving image transmission system, moving image transmitter and moving image transmission method
JPH11215564A (en) * 1998-01-27 1999-08-06 Nec Mobile Commun Ltd Radio mobile station and reception system and image reception system having the same
KR20000045596A (en) * 1998-12-30 2000-07-25 김영환 Transceiving device of wireless video signals in wwl
KR20010028376A (en) * 1999-09-21 2001-04-06 박종섭 Digital picture image and data transmission cellular phone using ISM band
KR20010082427A (en) * 2001-07-03 2001-08-30 윤여명 Mobile PC omitted
JP2001346173A (en) * 2000-05-31 2001-12-14 Sony Corp Image data communication system and method, and image pickup device and image data processing method

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10308981A (en) * 1997-05-09 1998-11-17 Kyocera Corp Radio communication system for digital camera
JPH11168571A (en) * 1997-12-02 1999-06-22 Mitsubishi Electric Corp Moving image transmission system, moving image transmitter and moving image transmission method
JPH11215564A (en) * 1998-01-27 1999-08-06 Nec Mobile Commun Ltd Radio mobile station and reception system and image reception system having the same
KR20000045596A (en) * 1998-12-30 2000-07-25 김영환 Transceiving device of wireless video signals in wwl
KR20010028376A (en) * 1999-09-21 2001-04-06 박종섭 Digital picture image and data transmission cellular phone using ISM band
JP2001346173A (en) * 2000-05-31 2001-12-14 Sony Corp Image data communication system and method, and image pickup device and image data processing method
KR20010082427A (en) * 2001-07-03 2001-08-30 윤여명 Mobile PC omitted

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