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1·This paper firstly proposes a SIP-based mobile soft handoff method-BSIP.

论文提出了一种基于SIP的移动软切换方法BSIP。

2·WCDMA handoffs include soft handoff(softer handoff involved), hard handoff, forward handoff and handoff between systems.

WCDMA的切换可以分为软切换（包括更软切换）、硬切换、前向切换以及系统间切换。

3·In high speed downlink packet access (HSDPA) system, soft handoff may cause serious interference to the downlink, and reduce its capacity.

在高速下行数据包接入(HSDPA)系统中，软切换会给下行链路带来严重干扰，降低链路容量。

4·To investigate how to set the search window, the propagation delay, which is the most influential factor in setting the search window size during soft handoff, is estimated.

为了研究如何进行搜索窗的设置，对软切换中影响搜索窗宽度设置的主要因素传播时延进行了估计。

5·At last, this paper concentrates on soft handoff technique, analyze the performance of soft handoff under different conditions of mobile customers 'various speed in CDMA system.

最后重点对CD MA系统中不同移动速度条件下的软切换性能进行分析。

6·This paper, on the base of software radio technology, produces a new multi-mode architecture of software ra- dio, and discusses some issues on software, hardware and system soft handoff.

本文基于改进型软件无线电提出新的多模终端结构，并对其软件、硬件和两通信系统软切换过程进行描述。

7·It has advantages of low soft-handoff call drop ratio and shorter time for waiting.

该接入控制策略具有切换呼叫等待处理时间短，切换失败概率低等特点。