GPS Signal Distribution System

Deshmukh, Aditya; Kulkarni, Shreyas

doi:10.1109/act.2009.170

Cited by 2 publications

(2 citation statements)

References 3 publications

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“…The GPS constellation consists of 24 satellites in 6 orbital planes with 4 satellites in each plane. 3 The ascending nodes of the orbital planes are separated by 60 degrees and the planes are inclined 55 degrees. Each GPS satellite is in an approximately circular, semi-synchronous (20 200 km altitude) orbit.…”

Section: Gps Systemmentioning

confidence: 99%

Real-time synchronization of wireless sensor network by 1-PPS signal

et al. 2015

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The use of wireless sensor networks with different nodes is desirable in a smart environment, because the network setting up and installation on preexisting structures can be done without a fixed cabled infrastructure. The flexibility of the monitoring system is fundamental where the use of a considerable quantity of cables could compromise the normal exercise, could affect the quality of acquired signal and finally increase the cost of the materials and installation. The network is composed of several intelligent "nodes", which acquires data from different kind of sensors, and then store or transmit them to a central elaboration unit. The synchronization of data acquisition is the core of the real-time wireless sensor network (WSN). In this paper, we present a comparison between different methods proposed by literature for the real-time acquisition in a WSN and finally we present our solution based on 1-Pulse-Per-Second (1-PPS) signal generated by GPS systems. The sensor node developed is a small-embedded system based on ARM microcontroller that manages the acquisition, the timing and the post-processing of the data. The communications between the sensors and the master based on IEEE 802.15.4 protocol and managed by dedicated software. Finally, we present the preliminary results obtained on a 3 floor building simulator with the wireless sensors system developed.

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Section: Gps Systemmentioning

confidence: 99%

Real-time synchronization of wireless sensor network by 1-PPS signal

et al. 2015

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“…In recent years, global time synchronization has been playing a central role in computer and digital telecommunication networking for several years [2], and the use of GPS synchronization in protection, control and monitoring systems is becoming more popular in the field of power [3,4,5], while, it is effective method for sensor terminal synchronization systems [6]. Global positioning System (GPS) is a space-based global navigation satellite system, it provides time and location information to users anywhere on earth.…”

Section: Introductionmentioning

confidence: 99%

Synchronization System Design of Ground Electromagnetic Probe Based on FPGA and GPS

Liu

2012

AMR

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This paper presents a synchronization system of ground electromagnetic probe based on FPGA and GPS. In order to realize precise synchronization between transmitter and receiver, the paper uses the GPS module, the application of GPS-synchronized is a relatively good synchronization mode because of its independent of distance and topography. This paper makes the coordinated universal time of GPS and seconds pulse 1pps as the time reference, analyses synchronization principle and characteristics based on FPGA and GPS, designs time synchronization circuit, realizes the output of the synchronous enable signal. Finally it can realize the precise synchronization between a transmitter and several receivers.

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GPS Signal Distribution System

Cited by 2 publications

References 3 publications

Real-time synchronization of wireless sensor network by 1-PPS signal

Real-time synchronization of wireless sensor network by 1-PPS signal

Synchronization System Design of Ground Electromagnetic Probe Based on FPGA and GPS

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