减少3G手机内共存对GPS的干扰

Proceedings of the IEEE 2009 National Aerospace & Electronics Conference (NAECON) Pub Date : 2009-07-21 DOI:10.1109/NAECON.2009.5426648

Taher AlSharabati, Yinchao Chen

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引用次数: 3

摘要

全球定位系统服务(GPS)与蜂窝和其他服务和功能在移动手持设备中的共存对GPS性能提出了挑战。全球移动系统(GSM)和宽带码分多址(WCDMA)等运营商与GPS接收器的空中(OTA)接口尤其具有挑战性，后者的发射(TX)部分可能会干扰GPS的性能，因为TX波段的噪声被注入GPS波段。以WCDMA为例，问题是由于频谱与GPS频谱相匹配的TX宽带噪声造成的带外干扰;两者都使用扩频技术对数据进行编码。

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Mitigating 3G interferrence to GPS due to coexistence in 3G handset

Co existence of Global Positioning System services (GPS) with cellular and other services and features in a mobile handset presents challenges to GPS performance. Particularly challenging is the over the air (OTA) interface to the GPS receiver that results from carriers like the Global System for Mobile (GSM) and Wideband Code Division Multiple Access (WCDMA) where the transmit (TX) section of the latter could interfere with the performance of the GPS due to TX band noise injected into the GPS band. For the case of WCDMA, the problem is the out of band interference due to the TX wide band noise which has a spectrum that matches the GPS spectrum; both use spread spectrum technology to encode the data.

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Proceedings of the IEEE 2009 National Aerospace & Electronics Conference (NAECON)

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