【摘要】 无线多媒体传感器网络作为一种多媒体信息获取和处理方式,已在军事、民用及商业领域中显示出广阔的应用前景。无线多媒体传感器网络涉及多方面的技术,MAC协议是其中之一。综述了多媒体传感器网络MAC协议的特点与技术上面临的挑战,从信道接入、调度、差错控制以及数据包大小4个方面着重分析了目前国内外有代表性的协议及算法,探讨了相关研究问题并展望了进一步的研究方向,分析比较了无线多媒体传感器网络MAC协议的仿真平台与工具。更多还原

【Abstract】 Wireless multimedia sensor networks (WMSN), as a multimedia information acquiring and processing technology, potential applications span a wide spectrum from military to industrial, from commercial to environmental monitoring. Research on wireless multimedia sensor networks relates to many techniques, MAC protocol is one of them. The characteristics and technical challenges of MAC in WMSN was summarized, the state of the art in algorithms, protocols was surveyed from channel access policies, scheduling, error control and Multimedia packet size, open research issues are discussed in detail, the open research problems were also pointed out. Finally, the simulation tools of MAC in WSN was analyzed and compared.更多还原