1. u-blox, Cyclic Tracking Operation, u-blox 7 Receiver Description http://www.u-blox.com/images/downloads/Product_Docs/u-blox7-V14_ReceiverDescriptionProtocolSpec_Public_%28GPS.G7-SW-12001%29.pdf 2015
2. Knight , J. Turetzky , G. Norman , C. Hilgenberg , D. SiRF's Low Power Receiver Advances Proceedings of the 11th International Technical Meeting of the Satellite Division of The Institute of Navigation ION GPS 1998 Nashville, TN 1998 299 305
3. Leclercq , M. Spyropoulos , I. Anandakumar , A. Ling , C. Intermittent Tracking for GNSS 2013 United States
4. Jia , Z. Kurethaya , S. Wang , C. Navigational Signal Tracking in Low Power Mode 2010 United States 12
5. Artech House Mobile Communications Series;Ward,2006