packet reservation multiple access meaning in English

分组预约多址
预留包多路访问
预留包多路接入

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
首先介绍和分析了针对数据业务的预约随机接入( rra ) ，然后介绍了支持话音和数据综合业务的多址接入方法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
本文提出了利用用户自身信息之间的相关性区分用户，并适当地调整用户再次竞争信道的允许概率，来提高分组预约多址( prma )协议中话音业务性能的方法，从仿真的结果看，该方法降低了话音分组的丢失率