%0 Journal Article %1 Manandhar2004d %A Manandhar, D. %A Shibasaki, R. %D 2004 %J Proc of the ACRS Conf. %K GPS, satnav softwareReceiver %P 1-6 %T Software-based GPS receiver : a research and simulation tool for Global Navigation Satellite System %X Global Navigation Satellite Systems (GNSS) have been used for the past 20-30 years successfully both in civil and military community. Transit, GPS and GLONASS are examples of GNSS. GPS has already proved its availability and reliability for many applications. In near future, new GNSS called Galileo, will be launched by Europe. However, the receivers for all these systems are built using application specific integrated circuits (ASICs), which we often call hardware GPS receiver. A user has the least level of flexibility in setting or implementing the parameters in this type of receiver. Especially, the level of flexibility is limited for the researchers and developers to implement their own algorithms. Software-based GPS Receiver (SGR) helps us processing the GPS signal at the lowest level of GPS raw signal data from the antenna. A SGR consists of a front-end device that converts the radio frequency signal from the antenna to an intermediate frequency in digital format. The signal thus converted is processed by high level programming language to compute position and velocity. In SGR, it is possible to do acquisition and tracking using different parameters and threshold values, which give a user total flexibility of operation. This helps in processing weak signal, multipath mitigation and simulate ''what-if'' scenarios. In this paper, we will discuss about software-based GPS receiver and show how it can be used for research and simulation in the field of Global Navigation Satellite System.

@article{Manandhar2004d, abstract = {Global Navigation Satellite Systems (GNSS) have been used for the past 20-30 years successfully both in civil and military community. Transit, GPS and GLONASS are examples of GNSS. GPS has already proved its availability and reliability for many applications. In near future, new GNSS called Galileo, will be launched by Europe. However, the receivers for all these systems are built using application specific integrated circuits (ASICs), which we often call hardware GPS receiver. A user has the least level of flexibility in setting or implementing the parameters in this type of receiver. Especially, the level of flexibility is limited for the researchers and developers to implement their own algorithms. Software-based GPS Receiver (SGR) helps us processing the GPS signal at the lowest level of GPS raw signal data from the antenna. A SGR consists of a front-end device that converts the radio frequency signal from the antenna to an intermediate frequency in digital format. The signal thus converted is processed by high level programming language to compute position and velocity. In SGR, it is possible to do acquisition and tracking using different parameters and threshold values, which give a user total flexibility of operation. This helps in processing weak signal, multipath mitigation and simulate ''what-if'' scenarios. In this paper, we will discuss about software-based GPS receiver and show how it can be used for research and simulation in the field of Global Navigation Satellite System.}, added-at = {2011-05-30T10:41:10.000+0200}, author = {Manandhar, D. and Shibasaki, R.}, biburl = {https://www.bibsonomy.org/bibtex/20b5278e1ef7ecff1897574151ef013cc/bmuth}, groups = {private}, interhash = {9e4852163f48d1680fc9b2d84c9c42c1}, intrahash = {0b5278e1ef7ecff1897574151ef013cc}, journal = {Proc of the ACRS Conf.}, keywords = {GPS, satnav softwareReceiver}, owner = {bmuth}, pages = {1-6}, timestamp = {2014-08-11T22:37:44.000+0200}, title = {{Software-based GPS receiver : a research and simulation tool for Global Navigation Satellite System}}, username = {bmuth}, year = 2004 }