群組呼叫 的英文怎麼說
中文拼音 [qúnzǔhūjiào]
群組呼叫
英文
groucall-
It is composed of three mian protocols : call synchronization protocol, control frame transmission protocol based on arq mechanism and data transmisstion protocol based on slot precontract mechanism. one scan channel table is shared in the hfmanet. the nodes in the same dwell group work in the same scan channel, and the nodes in the different dwell group work in the different scan channel
該協議的網路拓撲結構採用分散式分群結構,協議不同於傳統的短波點到點及需要中心節點轉發的組網方式,而是初步實現了短波電臺之間多跳組網功能,其協議內容主要包括同步呼叫協議、基於arq的控制幀傳輸協議和基於虛電路及時隙預約方式的數據幀傳輸協議。The 350m trunked communication system plays a significant role in daily dispatch - command in the police department. it is simple but reliable, and widely used. its calling connect is fast, continued and in high calling quality
350m集群通信系統因為其簡單可靠,呼叫接續迅速,覆蓋范圍較大,通話效果良好,單呼、組呼、 pabx呼叫、調度呼叫等業務功能全,在公安機關的日常指揮調度工作中發揮了巨大的作用,有效的提高了公安幹警的戰鬥力,成為科技強警的重要組成部分。Design and realization of a group calling method based on cdma technology
技術的群組呼叫的設計與實現
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