越區切換 的英文怎麼說
中文拼音 [yuèqūqiēhuàn]
越區切換
英文
handover ho-
This paper proposes a handoff algorithm using dual - window measurements in cellular mobile communication system. the proposed algorithm can provide a suitable balance of probability and delay of handoff. an analysis model of this algorithm is given in this paper. the proposed algorithm is especially fitted to the situation which mobile station needs to measure the signal strength from many base stations
本文提出了一種新的蜂窩移動通信系統越區切換測量演算法，該演算法採用了兩個長度不同的測量窗口，有利於在切換時延和切換平均次數這對矛盾之間取得更為有效的平衡，特別適用於需要對多個基站進行切換測量的情況.同時本文給出了基於矩形窗口的雙窗口切換測量演算法數學分析模型，及數值分析結果Neighbors are defined as cell sites in the serving cells geographic vicinity that may be considered as handoff candidates
在服務小區地區鄰接圖中將這些鄰居定義為可以被看作是越區切換侯選的小區基站。According to this requirement, the railway mobile digital communication system based on the gsm system for mobile communication is put forward in this paper to accomplish the data transfer between the control center and the locomotive. in this paper, the design of the ms ( the mobile station ) and the erected bs ( the base station ) out of the gsm cover is carried out. last we discuss the key techniques of the railway mobile digital communication system, the handoff and the error _ correct coding
本文針對這種要求，在gsm移動通信系統的基礎上提出了建立電力機車移動數字通信網以實現機車與控制中心之間的數據傳輸的方案，設計了系統中車載移動臺、 gsm覆蓋區外自建基站的基本構造，分析了系統中越區切換、糾錯編碼等關鍵技術，並詳細的闡述了其實現方法。The use of digital radio transmission and the advanced handover algorithms between radio cells in gsm networks allows for significantly better frequency usage than in analogue cellular systems, thus increasing the number of subscribers that can be served
Gsm網路使用數線傳輸和先進的無線越區切換演算法，可以得到比模擬蜂窩系統好得多的頻率利用，因而增加了服務的用戶數。The paper focuses on the handoff of cdma systems
本文重點研究了cdma系統越區切換技術。Improved scheme and performance of handoff for wireless atm network
網路越區切換的改進方案和性能分析Radio sub - system directed handover
無線分系統指定越區切換Basic handover procedure
基本越區切換規程Inter - cell handover
小區間的越區切換Firstly, the principle of cdma and its key techniques are briefly introduced
首先介紹了cdma系統中越區切換技術研究背景和研究現狀。Based on the controller of handover, two handover methods are proposed in this chapter
根據越區切換的不同控制方式，本章提出兩種越區切換策略。This will bring great benefits such as fast handoff, easily realization of different macrodiversity algorithms, etc
採用虛擬無線通信系統可以實現快速的越區切換，並且可以實現各種宏分集演算法。Handoff can improve utilization ratio of system resources, also obtaining higher performance of system. handoff is the most complicated and vital technique in cdma system
越區切換能有效地提高系統性能，是cdma系統中最復雜和最重要的一項關鍵技術。Secondly, the conception, types and several typical schemes of handoff are briefly outlined. also, markov chain is applied to analyze and simulate several typical handoff schemes
然後對cdma系統越區切換的概念、過程和類型進行研究，並用馬爾可夫（ markov ）鏈對典型越區切換策略進行了分析。The analysis results show that ac - iapp, adopting two - layer location database based on ac and ap and ac - based handover method, is the best in database size, query time and cost of handover
分析結果表明：綜合考慮數據庫容量、查詢時間和越區切換代價， ac - iapp協議採用兩層位置數據庫（ ac和ap ）和基於ac的越區切換策略，性能最佳。Abstract : based on the analysis of cdma handoff, a modified two - threshold soft handoff method is proposed together with its detailed theoreetic analysis, combined with the minimum - dwelling - time qveung wethed, a mixed handoff scheme is suggested
文摘:在分析cdma越區切換的基礎上，提出了一種改進的雙門限軟切換方法，並對該方法進行了較為詳細的理論分析。分享友人