GPS Technology and Applications

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Global Positioning System, GPS

The Global Positioning System (GPS) is a radio frequency navigation system using satellites and is developed and operated by the U.S. Department of Defense. GPS consists of 24 satellites which orbit the earth twice a day (with the speed of 11,000 km an hour, approximately) and each has about 20,000 km distance from the earth. The system was originally developed for U.S. military applications in the 1970’s, but the U.S. government made it available for civilian use in 1980’s. In recent decades more countries including Russia, and China, and Europe have also developed satellite navigation systems or developing and contributing to the global and or regional satellite GPS. GPS signals are available all the time but can be obstructed and weakened with some obstacles such as mountains or buildings. This makes GPS an essential tool for various applications, including navigation, communication, scientific research, and disaster management worldwide.

GPS Technology

GPS is one of the oldest wireless technologies that works by transmitting information from GPS satellites to a GPS receiver via radio signals and is the basis of many modern wireless technologies. It has a free, open, and reliable character and is used in creative solutions for data transmission.
The most popular and commonly used satellite navigation system in the United States is NAVSTAR or GPS. The first time that the U.S. Department of Defence put the satellites to use only for military purposes. Soon after, they were made available for civilian use in the 1980s.
GPS is a collection of 24 satellites in the space around the Earth, the receivers, and the control segment on the ground.
In the GPS system for computation of the location and time of the objects, special mathematical methods and physical rules are used. To calculate the distance from the GPS receiver to each satellite, the satellite signal  propagation time is multiplied by the signal transmission rate. (distance= speed* time)
The GPS devices, by knowing the distances of at least three satellites and using the trilateration method, determine the position of the objects on Earth, and also, in this process consider Einstein’s general theory of relativity for error compensation.
2D or 3D Trilateration is a way that may decide the location with the aid of understanding the gap between two or three Geographical coordinates.
in addition to three dimensions; longitude, latitude, and altitude; the GPS signal provides a critical fourth dimension – time. GPS satellites have atomic clocks that keep the most precise time, this time signal is accurate to less than 10 billionths of a second.

Timing technology

Time technology is one of the new applications of GPS technology, due to the accuracy and reliability of GPS time, and has been freely available worldwide.
Precise time is crucial to a variety of economic activities around the world. Power grids, banking systems, and mobile networks all rely on precision timing.
Free use of GPS time allows you to rely on the exact time to save costs and greatly improve efficiency. For example, wireless telephone and data networks use GPS time to keep all of their base stations in perfect contemporize.
Wireless Technology use this precise timing to allocate precision time slices for different frequency bands and different wireless links. Wireless Technology uses this precise timing to allocate precision time slices for different frequency bands and different wireless links.

GPS Applications

GPS as an essential infrastructure element in transmitting information has extensive applications. GPS service increases productivity in a large segment of the economy. In the farming, construction, mining, surveying, package delivery, and logistical supply chain management industries GPS is a powerful and dependable tool. GPS works at all times and in almost all-weather conditions.

Examples of GPS applications:

  • Location: Determining a position like a car locator,
  • Navigation: Getting from one location to another.
  • GPS Tracking: Monitoring objects, tracking your pet, tracking vehicles, School Bus Tracking, Trailer Tracking, or personal movement.
  • Mapping: Creating maps of the world.
  • Timing: Making it possible to make precise time measurements.

We at Arshon, used GPS on a lot of time-critical projects, such as wireless network timing and remote time-stamped data recording, and more.

Arshon Technology GPS Projects

When combined with other sensors, computers, and communications systems, GPS improves safety, security, and operational effectiveness in tracking systems. The technology helps reduce delays, and operating costs while increasing track capacity, customer satisfaction, and cost-effectiveness.
Arshon Technology designed and manufactured multiple GPS-based systems in various devices and applications. Our Electronic Design team as well as our Firmware Design team are very much familiar with this technology and the necessities around it.
Arshon provides customized GPS solutions for GPS Tracking applications such as:

In such cases, combining GPS satellite signal information with 3G or LTE cellular or LoRa technology provides a bespoke tracking system solution with its own advantages. We use GPS and IoT technology together and they complement each other. The IoT collects, monitors and controls real-time data about the behavior of smart devices, and GPS provides the physical coordinates of the device. These systems complement each other. They form the basis of smarter cities, innovative products of different types of tracking systems such as self-driving cars and health-related wearable technologies, and a vast connected ecosystem. The transmitted information is stored in the clouds or on remote servers (iotLINKS) and provides personalized analysis to the user by studying the stored data.

gps product

GPS Chipsets

The following chipsets have been in various devices designed and manufactured by Arshon Technology:

  • Adafruit PA6H1F1702
  • Sierra-Wireless XM1100
  • Quectel L80

How Typical GPS Chipset Works

GPS user receives signal and uses the information to calculate the exact location of user by using triangulation method. GPS receivers can calculate Position, Velocity, and Time (in UTC) depending on the number of satellites they are locked on. GPS user computes the distance of satellite by comparing the time when signal was transmitted with the time when it was received. Position provides Latitude, Longitude, and Height of satellite.
In order to calculate latitude and longitude (2D position), GPS receivers need to be locked on to at least three satellites. GPS receiver can further compute user altitude if it’s locked on to four more satellites. GPS satellites are running by solar energy and they have backup batteries to keep them powered in the event of power outage such as solar eclipse.

Data logging

In some applications GPS data is collected and is sent to cloud servers for further user accessibility. Then, users can track any GPS equipped device in real-time using provided apps or websites. Arshon Technology used Amazon AWS in some applications to store GPS data on the cloud and make it available for end users.

Communication to the server in cloud

 In some applications GPS data is collected and is sent to cloud servers for further user accessibility. Then, users can track any GPS equipped device in real-time using provided apps or websites. Arshon Technology used Amazon AWS in some applications to store GPS data on the cloud and make it available for end users.

Data interpretation and live tracking on a map

Figure 1 illustrates a sample GPS live tracking application developed by Arshon Technology for a client. As shown, it’s easy to track where a device (in this case GPS device is in a car) is moving on the map. Some other options have been also added to sort or filter time of tracking or change desired settings.

GPS Design

Our expertise in GPS design ensures that we provide innovative solutions tailored to your specific needs. Our team specializes in developing advanced GPS chipsets and optimizing GPS receiver design, allowing for seamless integration into custom navigation systems. Whether you require cutting-edge GPS designs for consumer devices or specialized applications, we are committed to delivering precision and reliability. Trust us to enhance your projects with our state-of-the-art GPS design services that drive efficiency and accuracy in navigation technology.

Uses of GPS

GPS Applications GPS technology plays a critical role in numerous industries through a wide range of GPS application options. From navigation and mapping to tracking systems, the uses of GPS are vast. Some common applications of GPS include vehicle tracking, asset monitoring, and smart farming. Different types of GPS technology also provide enhanced accuracy for specific needs, such as real-time location tracking or remote data logging. The application of GPS is essential in sectors like transportation, logistics, and construction, offering reliable and efficient solutions. Moreover, GPS continues to evolve, enabling innovative applications in emerging fields such as autonomous vehicles, drone technology, and augmented reality.

GPS Technology types

GPS technology has revolutionized the way we navigate and manage our world, offering precise location tracking and navigation solutions. Various GPS technologies, including real-time kinematics and differential GPS, enhance accuracy for diverse applications. The uses of GPS span across multiple industries, from transportation and logistics to agriculture and mobile devices. Understanding the different types of GPS technology allows businesses to implement tailored solutions that meet their specific needs. Whether it’s through application GPS for smartphones or advanced systems for fleet management, harnessing GPS technology ensures efficiency and reliability in today’s fast-paced environment.

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