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无人机网络中支持视频传输的MAC协议 被引量：1

MAC Protocol Supporting Video Transmission in UAV Network
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摘要 针对无人机自组织网络视频业务传输的低时延需求,设计一种轻量级的最低时延保障接入协议(LADP)。该协议结合无人机作战网络动态性强、节点密度小的特点,采用多RTS周期、单CTS周期的特殊时隙结构和协同式的信道竞争机制。仿真结果表明,在载荷λ≤0.8的典型无人机网络条件下,LADP协议的最大分组接入时延控制在55 ms以下,可为视频业务提供良好的传输保障。 To meet the need of transmitting video in Unmanned Aerial Vehicle（UAV） Ad Hoc networks, a light Media Access Control（MAC） protocol is lay out which can provide the lowest access delay, named LADP. LADP is composed of multi-RTS and simple CTS in structure considering high dynamicity and low density of the UAV networks, and coordinated-competing mechanism is applied. All that make LADP simple and low bandwidth-consumption. Simulation results show that LADP can provide reliable guarantee of access delay under limited load for UAV network when λ≤ 0.8, and the maximum access delay is below 55 ms.
作者 杨海东 景博 李建海
机构地区 空军工程大学工程学院
出处 《计算机工程》 CAS CSCD 2013年第4期94-99,共6页 Computer Engineering
基金 航空科学基金资助项目(20095596014)
关键词 无人机网络 视频传输 媒体接入控制 协同 时延 Unmanned Aerial Vehicle（UAV） network video transmission Media Access Control（MAC） coordination delay
分类号 TN915.04 [电子电信—通信与信息系统]
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参考文献14

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二级参考文献6

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计算机工程
2013年 第4期

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