aloha system 中文意思是什麼
aloha system
解釋
aloha計算機網-
Study on the application of aloha agreement in police local wireless alarming system
協議在公安無線局域報警網中的應用研究 -
Due to the data transmission characteristics between tags and reader, space division multiple access ( sdma ), frequency division multiple access ( fdma ) and code division multiple access ( cdma ) are applied in a limited way in rfid system. therefore, time division multiple ( tdma ) has been generally accepted. according to tdma, there are aloha protocol, s - aloha, binary - tree protocol, clipped binary - tree protocol and others
解決這個問題必須要用到多路存取法,針對射頻識別系統中閱讀器與應答器之間的通信特點,空分多路法、頻分多路法、碼分多路法在rfid系統中應用都受到一定的限制,只能應用到一些特定的場合,一般採用時分多路法,按照時分多路法的演算法有aloha演算法、時隙aloha演算法、二進制樹型搜索演算法、修剪枝的二進制樹型搜索演算法等防碰撞演算法協議,分析了各自特點以及存在的缺點。 -
It works often in burst mode. the signal channel is complex and large. several protocols can be applied to the system : fixed addressing, committed addressing and stochastic addressing ( aloha ) protocols
系統使用的多址協議可以是固定分配地址的、按需分配地址的或者是隨機接入的,這三種方式中,當網路用戶數量大而業務量小,用戶間歇工作時候,隨機接入多址技術簡單而高效。
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