Local position system. Get map and position on demand.

Short description

Most existing GPS and LPS (Local Position system) are built on the principle of defining your own coordinates by a receiver, based on the processing of precision radio signals from external sources (satellites).

These systems have several features:

  1. Poor working in urban environment (compliance with conditions of radio visibility is required).
  2. GPS-navigator must have significant computational power to determine the coordinates. It leads to an increase of its cost.
  3. For orientation in a geographical area the GPS-navigator must be equipped with a map. This also increases its cost.
  4. The map (electronic or paper) is static in nature, which results in need to replace it periodically for synchronizing it with the dynamically changing world.
  5. In case of an armed conflict, the signal from satellites can be damped, and the satellites put out of operation. (By bringing a bucket of bolts out into the orbit ).
  6. Only few countries have appropriate technical and financial capacity to implement such systems.
  7. GPS navigators do not give really useful information to the (urban) user.
  8. Positioning system technology using WiFi, GSM have low accuracy positioning.
The suggestion is to create an alternative system for determining the coordinates, Local position system, which would supplement and under certain conditions replace the existing positioning systems. I suggest abandoning the principle of positioning based on the passive reception and analysis of radio signals by the navigator's receiver, and using an active scheme instead. The system consists of LPS-navigators and a LPS-network. An LPS-navigator is equipped with a transmitter. To determine the coordinates it should emit a signal sending a request to the LPS-network: "Where am I?" and get a reply.

LPS network consists of many RxTx-nodes combined into an IP network, and operates according to the following algorithm:

  1. Accepts a request from LPS-navigator.
  2. Executes identification and authentication of the object which sent the request.
  3. Calculates the position of the object using the captured signal from all RxTx-nodes.
  4. Sends the computed coordinates back to the LPS-Navigator.
  5. Depending on the context and the authorized data, the corresponding map is sent to the LPS-Navigator.
  6. In case of difficulty or inability to calculate the coordinates of the object with a given accuracy, LPS network can send a request to the LPS-Navigator to repeat the signal. The signal may be repeated with a modified capacity, duration, a different frequency, with different modulation etc.

This principle of the LPS system has the following advantages:

  1. The cost of LPS-navigators, due to the fact that the calculation of the coordinates is performed by the LPS-network, can be reduced.
  2. The accuracy of positioning in urban environments will be increased due to the active work of the LPS-navigator.
  3. The LPS-navigator receives the necessary map (the relevant part of it) every time with the coordinates from the LPS-Network. An example:
    1. A marine will receive a map with a detailed topography, indicating the heights, the depths of rivers etc. on the screen of the navigator.
    2. A shopper will receive a store plan showing the store shelves, the location of the goods after having sent the request "where am I?".
    3. A tourist will get a map showing the city, attractions, hotels, shops.
    4. A driver will receive a city map with a plan of streets and their current auto traffic load. (Map is created dynamically)
  4. LPS-navigators can "help" each other in determining the coordinates, as well as improve the accuracy of their determination, interacting not only with the LPS-network, but also with each other.
  5. LPS-network can be easily deployed on the existing IP network.
  6. The system scales easily: store, district, city, country.
  7. The cost of the deployment of this system is low and is available to individuals.
  8. Multiple systems can be simultaneously deployed within the same geographical area.
  9. In standby mode, neither the LPS-Navigator nor the LPS-Network emits radio signals, which reduces the level of interference, but also makes the system "radio invisible" - this feature may be of interest to the military.
The suggestion is to create a whole line of products providing the definition of the coordinates at following scales: home/apartments, district, city, region, country. The devices can operate in the radio, infrared or optical range. We think that the Cisco Application Extension Platform will suit ideally to build a core LPS-Network.
17 Comments
FEB
2010
17

 

Local governments and utility providers might be interested parties in rolling out such a system.

Have you looked at the current practice of using GPS base stations which provide a fixed point of reference and greatly enhance the accuracy of GPS units that use them? We have one on top of our building and it brings our GIS accuracy very close.

Also, an enhancement that an LPS would have over a GPS might be the added coordinate of elevation which, if used as a point of reference, could provide another point of reference and correction.
JohnBoyRox JohnBoyRox
FEB
2010
18

 

The focus of my suggestion is directed on urban users, for private and corporate use. In other words as an alternative to GPS.
http://pesennik.de Anna Gossen Anna Gossen
APR
2010
17

 

What type of technology will be the backbone for this LPS? How will it calculate or get the coordinates? what are the differentiators of this system compared to triangulation of cellphone towers etc?
APR
2010
18

 

Here are the main points:
  1. The need for precise coordinates definition in the urban environment is high (robotics, applications, targeted advertising, see also Facilitation of interpersonal communication through electronic recognizing and Smart Home - Wireless & Safe Home).
  2. The required accuracy of positioning should be no worse than 1 m.
  3. Using GPS in the city and especially indoors is problematic and sometimes just not possible.
  4. Triangulation of cellular phones or WIFI devices is not possible (without special equipment) with sufficient accuracy.
  5. The navigator itself should be as cheap as possible.
  6. Systems LPS opens small business (restaurants, cafes, shops, etc.) in order to attract customers by advertising the business, products and services.
Backbone LPS is a network of many private LPS systems united by common technological standards and registered in the global catalog of LPS objects (see also Facilitation of interpersonal communication through electronic recognizing).

Determination of coordinates is made with the help of direction-finding systems integrated into IP network. Direction-finding is performed by using the phase method. In this case the antenna system is used, which allows distinguishing between signals coming from different directions through the analysis of signal phases received by several antennae. This process is automated.
http://pesennik.de Anna Gossen Anna Gossen
APR
2010
20

 

As we are nearing the end of the first phase I wanted to wish you the best of luck in the selection process and hopefully we will meet in the next round over a cyber cup of coffee at cafe Cisco.

regards

Jarred
  1. Nanofinance
  2. Telepresence to go (T2g)
  3. Alteneu Fusion Media (AFM)
  4. Teaching inside the Box (TIB)
Jarred Myers Jarred Myers
APR
2010
24

 

Thanks! Good luck to you too!
http://pesennik.de Anna Gossen Anna Gossen
FEB
2012
18

 

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AUG
2017
16

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