Electronics and Telecommunications Research Institute

Ajou University Industry-Academic Cooperation Foundation

Yoo Seung Song

Hyun Jeong Yun

Sung Hee Lee

Joo Chan Sohn

Sang Joon Park

Young Bae Ko

Oh Cheon Kwon

Keun Woo Lim

Disclosed is a technology for controlling safety message transmission between group driving vehicles. A system for controlling safety message transmission between group driving vehicles includes a setting unit configured to set a transmission time interval and a transmission power of a safety message, a message type determination unit configured to analyze a safety message received, and determine whether the safety message is a general safety message or an emergency safety message, a reception state determination unit configured to determine a reception state of the safety message transmitted from the message type determination unit, and a control unit configured to generate a new transmission time interval and a new transmission power for safety message transmission based on a value of the reception state determined by the reception state determination unit, and transmit the generated new transmission time interval and new transmission power to the setting unit.

System and method for controlling safety message transmission between group driving vehicles

A navigation route cooperation navigation system and a method of controlling the same are provided. The navigation route cooperation navigation system can secure a visible distance or a communicable range and allow a member vehicle which cannot perform cluster driving to drive according to driving information of a leader vehicle, allow the member vehicle to drive according to a recommended route better than a navigation route of a leader vehicle, and set the member vehicle which passes the leader vehicle as a new leader vehicle.

Navigation route cooperation navigation system and method of controlling the same

Provided is a multi-route routing scheme that supports Quality of Service (QoS) in the wireless mesh network. A method of notifying about and avoiding congestion situation in data transmission in a wireless mesh network and a mesh node may also be provided. Data may be differentially transmitted to multiple routes by obtaining a route congestion level existing in a current multi-hop route and thus, data providing a real-time service, such as a video streaming service, may avoid congested routes and may be promptly transmitted. Multiple queues in a mesh node may be divided into divided queues based on a congestion situation of a transmission route in a network and the divided queues may be transmitted through multiple routes and thus, an efficiency of the overall network may increase.

Method for notifying about/avoiding congestion situation of data transmission in wireless mesh network, and mesh node for the same

Growing community of inventors

Daejeon, South Korea

Yoo Seung Song