Energy-Efficient and QoS Provisioning MAC Protocol in Wireless Multimedia Sensor Networks
Sunbok Goh, Sung-Keun Lee, John Kim, Jin-Gwang Koh, Han Suk Choi · 한국콘텐츠학회 ICCC 논문집 · 2009
The development of Wireless Multimedia Sensor Networks (WMSNs) is getting realized in accordance with the increased demands to provide multimedia data transmission service such as CCTV movie, image chapter information, audio information based on wireless sensor network. It is very important to provide the differentiated quality assurance of service. Accordingly, the mechanism which can assure QoS according to each data characteristic is required. In this paper, A proposed protocol apply the duty cycle of S-MAC protocol variably and flexible according QoS level. This method largely reduces the delay on the delay-sensitive traffic, while keeping the energy efficiency.