packet reservation中文什么意思

packet: n. 1.包裹；小件行李；(郵件等的)一捆；小批；袋。 ...
reservation: n. 1.(權(quán)利等的)保留；保留下來的權(quán)利；條件，限制， ...
packet reservation multiple access: 分組預(yù)約多址; 預(yù)留包多路訪問; 預(yù)留包多路接入
prma packet reservation multiple access: 分組預(yù)留多址
reservation: n. 1.(權(quán)利等的)保留；保留下來的權(quán)利；條件，限制，除外條件，但書。 2.〔常 pl.〕(房間、座位等的)包定，租定，預(yù)定，預(yù)約。 3.〔古語〕隱諱。 4.保留地；專用地；禁獵地；〔美、加拿大〕(給印第安人指定的)居留地。 5.【宗教】留給(病人等的)一部分圣餐。 6.(教皇對)圣職任命權(quán)的保留；(高級圣職者對)特殊罪惡赦免權(quán)的保留。 7.【法律】(讓與或貸借財(cái)產(chǎn)時(shí)的)特殊權(quán)益保留權(quán)；保留權(quán)益。 make reservations 定座，定房間(等)；附保留條件；聲名。 without reservation 直率地，坦白地；無條件地。 with reservations 有保留地(I agree with you, but with some reservations. 我同意你，不過有幾點(diǎn)要保留[除外])。 write for reservations 寫信去預(yù)定座位(等)。

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Firstly , inttoduce and analysis the reservation random access protocol ( rra ) , which is fit to the data services . then the packet reservation multiple access ( prma ) protocol is introduced , which is fit to the integrated voice / data services
首先介紹和分析了針對數(shù)據(jù)業(yè)務(wù)的預(yù)約隨機(jī)接入( rra ) ，然后介紹了支持話音和數(shù)據(jù)綜合業(yè)務(wù)的多址接入方法prma 。
A method ( vp - prma ) based on the users demand to improve the performance of voice service in packet reservation multiple access ( prma ) system is proposed . after the analysis of prma , the new mothod , using variable contending probability according to the actual condition , is presented . according to the simulation , the probability of packet dropping is reduced
本文提出了利用用戶自身信息之間的相關(guān)性區(qū)分用戶，并適當(dāng)?shù)卣{(diào)整用戶再次競爭信道的允許概率，來提高分組預(yù)約多址( prma )協(xié)議中話音業(yè)務(wù)性能的方法，從仿真的結(jié)果看，該方法降低了話音分組的丟失率

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