a-gps

This paper introduces the use of technology of A-GPS in 3G network .

文中主要介绍了A-GPS定位技术在3G中的应用。

A-GPS solutions in its main advantages of positioning accuracy .

A-GPS解决方案的优势主要在其定位精度上。

Application of State Design Pattern in the SUPL A-GPS Based SLP

State设计模式在基于安全用户平面A-GPS技术的定位平台中的应用

The Assisted GPS ( A-GPS ) method is fit for high precision and with GPS receiving devices .

而基于应用层的全球定位系统（A-GPS）定位方法则适宜定位精度要求高且终端和网络有GPS接收装置时使用。

Although the A-GPS technology high positioning accuracy , the first GPS signal capture short time , but the technology has some drawbacks .

虽然A-GPS技术的定位精度很高、首次捕获GPS信号时间短，但是该技术也存在着一些缺点。

A-GPS Technology and its Conformance Test

A-GPS技术及其一致性测试的要求

However , A-GPS users is the key issue for business use of mobile location must be difficult to accept the replacement phone .

不过，A-GPS最主要的问题是用户对于使用移动定位业务必须更换手机难以接受。

In addition , A-GPS positioning must be achieved through multiple network transmission ( up to six one-way transmission ), which occupied the operators , a large number of air resources .

另外，A-GPS的定位实现必须通过多次网络传输（最多可达六次单向传输），这对运营商来说占用了大量空中资源。

This article introduces origin and development of Assisted-Global Positioning System ( A-GPS ) describes its principle and implementation mode , and analyzes the application field . The future development trend is also available .

介绍了网络辅助全球定位系统（A-GPS）的起源和发展，描述了A-GPS定位技术的工作原理及具体实现方式，并对它的应用领域进行了分析，指出了未来的发展方向。

This article introduces the basic theory of A-GPS and TDOA , puts forward a hybrid LDT that combines the above two 's advantages , and its implementation over the third generation network .

介绍了移动定位技术中的TDOA和A-GPS基本原理，并在此基础上提出了结合TDOA和A-GPS两种定位技术优点的混合定位技术，同时又介绍了在第三代移动网络上的具体实现。

This paper focuses on the application of state design pattern in the secure user plane location ( SUPL ) and assisted global positioning system ( A-GPS ) based SUPL location platform ( SLP ) .

本文对State设计模式在基于安全用户平面（SUPL）的辅助全球定位系统（A-GPS）技术的定位平台（SLP）中的应用进行阐述。

Secondly , it introduced the Google Maps and its related technology in detail-mainly elaborated on the Google Maps API and its working principle , A-GPS positioning technique , development of wireless communication and the system related technology development .

其次，对GoogleMaps和系统相关技术进行了详细介绍，重点对GoogleMapsAPI及其工作原理、A-GPS定位技术、无线通信技术和系统相关开发技术进行了阐述。

A-GPS positioning means steps are as follows : GPS-supported network received information network will complement the information sent to the phone ; phones are GPS information , calculate and draw their own precise location of cell phone location information will be sent to the core network .

A-GPS定位方式实现步骤如下：网络收到GPS辅助信息；网络将辅助信息发送到手机；手机得到GPS信息，计算并得出自身精确位置；手机将位置信息发送到核心网。