TDM A wireless video transferring system based on Time Division Multiplexing and the method thereof
The present invention relates to a TDM-based wireless image relay system capable of expanding a wireless transmission range for delivering an image to a remote place and relaying the image through a plurality of channels on a wireless relay network formed based on time division multiplexing (TDM), a...
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Format | Patent |
Language | English Korean |
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30.04.2018
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Abstract | The present invention relates to a TDM-based wireless image relay system capable of expanding a wireless transmission range for delivering an image to a remote place and relaying the image through a plurality of channels on a wireless relay network formed based on time division multiplexing (TDM), and a method thereof. The TDM-based wireless image relay system includes: an access point (AP) dynamically allocating channel information to a plurality of nodes, and receiving image data from the nodes through a plurality of wireless transmission routes; and a plurality of nodes transmitting or relaying the image data through the wireless transmission routes by using the channel information allocated from the access point. The channel information is information for setting and allocating a plurality of channels and time slots in the wireless transmission routes based on time division multiplexing to transmit or relay the image data. Through the system and method thereof, the present invention is capable of overcoming limitations of a conventional wireless CCTV using a point-to-point method (causing the complexity of formation and limiting the operation of a wireless network environment requiring a plurality of cameras), wirelessly managing a plurality of cameras, and expanding a wireless transmission range.
본 발명은 영상을 원격지까지 전달하기 위해 무선 중계 방식으로 무선 전송 거리를 확장하고 TDM(Time Division Multiplexing)방식으로 이루어진 무선 중계망 상의 다수의 채널을 통해 영상을 중계하기 위한, TDM 기반 영상 무선 릴레이 시스템 및 그 방법에 관한 것으로, 복수의 노드에 동적으로 채널 정보를 할당하고, 상기 복수의 노드로부터 복수의 무선 전송 경로를 통하여 영상 데이터를 수신하는 액세스 포인트(AP); 및 상기 액세스 포인트로부터 할당받은 채널 정보를 이용하여 영상 데이터를 상기 복수의 무선 전송 경로를 통하여 전송하거나 중계하는 복수의 노드를 포함하되, 상기 채널 정보는, 상기 영상 데이터를 전송하거나 중계하기 위하여, 무선 전송 경로에서 TDM(Time Division Multiplexing) 방식으로 복수의 채널과 타임 슬롯을 설정하여 할당하는 정보인 구성을 마련한다. 상기와 같은 시스템 및 그 방법에 의하면, 기존의 점대점 방식의 무선 CCTV의 한계(구현에 많은 복잡성이 초래되어 다수의 카메라 설치가 요구되는 무선망 환경에서의 운용이 제한됨)를 극복하고 다수의 카메라를 무선으로 관리할 수 있으며, 무선 전송 거리를 확장할 수 있다. |
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AbstractList | The present invention relates to a TDM-based wireless image relay system capable of expanding a wireless transmission range for delivering an image to a remote place and relaying the image through a plurality of channels on a wireless relay network formed based on time division multiplexing (TDM), and a method thereof. The TDM-based wireless image relay system includes: an access point (AP) dynamically allocating channel information to a plurality of nodes, and receiving image data from the nodes through a plurality of wireless transmission routes; and a plurality of nodes transmitting or relaying the image data through the wireless transmission routes by using the channel information allocated from the access point. The channel information is information for setting and allocating a plurality of channels and time slots in the wireless transmission routes based on time division multiplexing to transmit or relay the image data. Through the system and method thereof, the present invention is capable of overcoming limitations of a conventional wireless CCTV using a point-to-point method (causing the complexity of formation and limiting the operation of a wireless network environment requiring a plurality of cameras), wirelessly managing a plurality of cameras, and expanding a wireless transmission range.
본 발명은 영상을 원격지까지 전달하기 위해 무선 중계 방식으로 무선 전송 거리를 확장하고 TDM(Time Division Multiplexing)방식으로 이루어진 무선 중계망 상의 다수의 채널을 통해 영상을 중계하기 위한, TDM 기반 영상 무선 릴레이 시스템 및 그 방법에 관한 것으로, 복수의 노드에 동적으로 채널 정보를 할당하고, 상기 복수의 노드로부터 복수의 무선 전송 경로를 통하여 영상 데이터를 수신하는 액세스 포인트(AP); 및 상기 액세스 포인트로부터 할당받은 채널 정보를 이용하여 영상 데이터를 상기 복수의 무선 전송 경로를 통하여 전송하거나 중계하는 복수의 노드를 포함하되, 상기 채널 정보는, 상기 영상 데이터를 전송하거나 중계하기 위하여, 무선 전송 경로에서 TDM(Time Division Multiplexing) 방식으로 복수의 채널과 타임 슬롯을 설정하여 할당하는 정보인 구성을 마련한다. 상기와 같은 시스템 및 그 방법에 의하면, 기존의 점대점 방식의 무선 CCTV의 한계(구현에 많은 복잡성이 초래되어 다수의 카메라 설치가 요구되는 무선망 환경에서의 운용이 제한됨)를 극복하고 다수의 카메라를 무선으로 관리할 수 있으며, 무선 전송 거리를 확장할 수 있다. |
Author | CHOI, SANG WON CHOI, JUNG HAN BAIK, SUNG JUN |
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DocumentTitleAlternate | TDM 기반 영상 무선 릴레이 시스템 및 그 방법 |
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Snippet | The present invention relates to a TDM-based wireless image relay system capable of expanding a wireless transmission range for delivering an image to a remote... |
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SubjectTerms | ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY MULTIPLEX COMMUNICATION PICTORIAL COMMUNICATION, e.g. TELEVISION WIRELESS COMMUNICATIONS NETWORKS |
Title | TDM A wireless video transferring system based on Time Division Multiplexing and the method thereof |
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