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Simultaneous GPS or S-GPS is a method to allow a GPS reception and CDMA communications to operate simultaneously in a mobile phone. Ordinarily, cellular geolocation and a built-in GPS receiver is used to determine the location of an E911 call made from CDMA phones. By using a time-multiplexed scheme called TM-GPS, the reception of the telephone call and the GPS signal are alternated one after the other, requiring only one radio receiver.

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  • S-GPS (fr)
  • S-GPS (ja)
  • S-GPS (en)
  • S-GPS (ru)
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  • S-GPS (acronyme anglais de Simultaneous GPS, GPS simultané) est un système d'amélioration de la géolocalisation par satellite, reposant en partie sur l'opérateur de téléphonie mobile. Habituellement, un périphérique GPS intégré est utilisé pour déterminer la localisation à la suite d'un appel émis par les téléphones CDMA. En utilisant un schéma temporel multiplexé appelé TM-GPS, la réception de l'appel téléphonique et le signal GPS sont reçus en alternance l'un après l'autre ne requérant qu'une seule émission radio. (fr)
  • S-GPS (англ. Simultaneous GPS) — система, улучшающая определение координат GPS-приёмником. Установление местонахождения на мобильных телефонах с поддержкой CDMA, как правило, с помощью встроенного в устройство GPS. Телефон на основе GPS-приемника на сегодняшний день в основном работали с помощью тайм-мультиплексированных схеме (TM-GPS), где сигнал GPS и телефонных сигналов вызова последовательно переключаются назад и вперед. (ru)
  • Simultaneous GPS or S-GPS is a method to allow a GPS reception and CDMA communications to operate simultaneously in a mobile phone. Ordinarily, cellular geolocation and a built-in GPS receiver is used to determine the location of an E911 call made from CDMA phones. By using a time-multiplexed scheme called TM-GPS, the reception of the telephone call and the GPS signal are alternated one after the other, requiring only one radio receiver. (en)
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  • Simultaneous GPS or S-GPS is a method to allow a GPS reception and CDMA communications to operate simultaneously in a mobile phone. Ordinarily, cellular geolocation and a built-in GPS receiver is used to determine the location of an E911 call made from CDMA phones. By using a time-multiplexed scheme called TM-GPS, the reception of the telephone call and the GPS signal are alternated one after the other, requiring only one radio receiver. Simultaneous GPS allows a cellphone to receive both GPS and voice data at the same time, which improves sensitivity and allows service providers to offer location-based services. The use of two radios with a single antenna imparts new design challenges, such as leakage of the voice transmitter signal into the GPS receiver circuitry. The commercial availability of S-GPS chipsets from manufacturers such as Qualcomm, has led to adoption of the method in newer handsets. (en)
  • S-GPS (acronyme anglais de Simultaneous GPS, GPS simultané) est un système d'amélioration de la géolocalisation par satellite, reposant en partie sur l'opérateur de téléphonie mobile. Habituellement, un périphérique GPS intégré est utilisé pour déterminer la localisation à la suite d'un appel émis par les téléphones CDMA. En utilisant un schéma temporel multiplexé appelé TM-GPS, la réception de l'appel téléphonique et le signal GPS sont reçus en alternance l'un après l'autre ne requérant qu'une seule émission radio. (fr)
  • S-GPS (англ. Simultaneous GPS) — система, улучшающая определение координат GPS-приёмником. Установление местонахождения на мобильных телефонах с поддержкой CDMA, как правило, с помощью встроенного в устройство GPS. Телефон на основе GPS-приемника на сегодняшний день в основном работали с помощью тайм-мультиплексированных схеме (TM-GPS), где сигнал GPS и телефонных сигналов вызова последовательно переключаются назад и вперед. (ru)
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