Test apparatus and control method thereof for use with location based service system capable of optimizing location based service by adjusting maximum antenna range
First Claim
1. A test apparatus for use in optimizing a location-based service (LBS) by updating a maximum antenna range (MAR) set for a base station in location-based service system including a position determination entity, the test apparatus comprising:
- a key input part for inputting data to set the test apparatus to a conventional-GPS (C-GPS) operation mode or an assisted-GPS (A-GPS) operation mode;
a GPS antenna for receiving GPS signals transmitted from at least one GPS satellite;
an RF (Radio Frequency) antenna for receiving an RF signal;
a C-GPS receiver for receiving a first set of GPS signals through the GPS antenna, extracting first navigation data from the first set of GPS signals and generating a C-GPS geolocation information by using the first navigation data, wherein the C-GPS geolocation information includes the latitude and the longitude of measurement location and number of GPS satellites transmitting the first set of GPS signals;
an A-GPS receiver for receiving a second set of GPS signals by using an assistance data received from the position determination entity, extracting second navigation data from the second set of GPS signals and generating an A-GPS data by using the second navigation data and the RF signal, wherein the A-GPS data includes number of the GPS satellites transmitting the second set of GPS signals and network ID and base station ID of the RF signal;
an embedded board having a CPU for setting the test apparatus to the C-GPS operation mode or the A-GPS operation mode according to a mode key received from the key input part, controlling the C-GPS receiver to generate the C-GPS geolocation information in the C-GPS operation mode and controlling the A-GPS receiver to generate the A-GPS data in the A-GPS operation mode; and
a wireless modem for modulating the C-GPS geolocation information and the A-GPS data, generating and transmitting a MAR optimizing data signal for use in optimizing the MAR, wherein the MAR optimizing data signal comprises the C-GPS geolocation information obtained in the C-GPS operation mode and the A-GPS data obtained in the A-GPS operation mode.
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Abstract
Disclosed are a method and a system for optimizing location-based services by adjusting the maximum antenna range of a wireless base station. The system for optimizing location-based services by adjusting a maximum antenna range (MAR) of a base station, the system comprising: a test apparatus for sending MAR optimizing data, including C-GPS geolocation information and A-GPS data which are received from at least one GPS satellite by using conventional-GPS (C-GPS) and assisted-GPS (A-GPS) schemes, to at least one measurement point; a base transceiver station for transmitting and receiving signals and data to and from the test apparatus and having a preset MAR; a base station controller for receiving and processing signals emitted from the base transceiver station and a mobile switching center connected to the base station controller; and a position determination entity for receiving the MAR optimizing data through a mobile communication network, analyzing the MAR optimizing data to update the MAR of a wireless base station that meets MAR optimizing requirements, and optimizing the location-based services.
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Citations
25 Claims
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1. A test apparatus for use in optimizing a location-based service (LBS) by updating a maximum antenna range (MAR) set for a base station in location-based service system including a position determination entity, the test apparatus comprising:
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a key input part for inputting data to set the test apparatus to a conventional-GPS (C-GPS) operation mode or an assisted-GPS (A-GPS) operation mode; a GPS antenna for receiving GPS signals transmitted from at least one GPS satellite; an RF (Radio Frequency) antenna for receiving an RF signal; a C-GPS receiver for receiving a first set of GPS signals through the GPS antenna, extracting first navigation data from the first set of GPS signals and generating a C-GPS geolocation information by using the first navigation data, wherein the C-GPS geolocation information includes the latitude and the longitude of measurement location and number of GPS satellites transmitting the first set of GPS signals; an A-GPS receiver for receiving a second set of GPS signals by using an assistance data received from the position determination entity, extracting second navigation data from the second set of GPS signals and generating an A-GPS data by using the second navigation data and the RF signal, wherein the A-GPS data includes number of the GPS satellites transmitting the second set of GPS signals and network ID and base station ID of the RF signal; an embedded board having a CPU for setting the test apparatus to the C-GPS operation mode or the A-GPS operation mode according to a mode key received from the key input part, controlling the C-GPS receiver to generate the C-GPS geolocation information in the C-GPS operation mode and controlling the A-GPS receiver to generate the A-GPS data in the A-GPS operation mode; and a wireless modem for modulating the C-GPS geolocation information and the A-GPS data, generating and transmitting a MAR optimizing data signal for use in optimizing the MAR, wherein the MAR optimizing data signal comprises the C-GPS geolocation information obtained in the C-GPS operation mode and the A-GPS data obtained in the A-GPS operation mode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A test apparatus for use in optimizing a location-based service (LBS) by updating a maximum antenna range (MAR) set for a base station in location-based service system including a position determination entity, the test apparatus comprising:
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a key input part for inputting data to set the test apparatus to a conventional-GPS (C-GPS) operation mode or an assisted-GPS (A-GPS) operation mode; a GPS antenna for receiving GPS signals transmitted from at least one GPS satellite; an RF (Radio Frequency) antenna for receiving an RF signal; a C-GPS receiver for receiving a first set of GPS signals through the GPS antenna, extracting first navigation data from the first set of GPS signals and generating a C-GPS geolocation information by using the first navigation data, wherein the C-GPS geolocation information includes the latitude and the longitude of measurement location and number of GPS satellites transmitting the first set of GPS signals; an A-GPS receiver for receiving a second set of GPS signals by using an assistance data received from the position determination entity, extracting second navigation data from the second set of GPS signals and generating an A-GPS data by using the second navigation data and the RF signal, wherein the A-GPS data includes number of the GPS satellites transmitting the second set of GPS signals and network ID and base station ID of the RF signal; an embedded board having a CPU for setting the test apparatus to the C-GPS operation mode or the A-GPS operation mode according to a mode key received from the key input part, controlling the C-GPS receiver to generate the C-GPS geolocation information in the C-GPS operation mode and controlling the A-GPS receiver to generate the A-GPS data in the A-GPS operation mode; a memory for storing the C-GPS geolocation information and the A-GPS data under the control of the CPU; and a wireless modem for modulating the C-GPS geolocation information and the A-GPS data, generating and transmitting a MAR optimizing data signal for use in optimizing the MAR, wherein the MAR optimizing data signal comprises the C-GPS geolocation information obtained in the C-GPS operation mode and the A-GPS data obtained in the A-GPS operation mode. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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19. A method for controlling a test apparatus with a view to optimizing a location-based service (LBS) by updating a maximum antenna range (MAR) set for a base station, the method comprising the steps of:
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(a) setting the test apparatus to an assisted-GPS (A-GPS) operation mode at each measurement location and transmitting an identification code of a wireless base station which covers or is adjacent to the measurement location to a position determination entity, wherein the identification code is received by the test apparatus from the wireless base station; (b) searching for and receiving a first set of GPS signals by receiving and analyzing an assistance data from the position determination entity; (c) generating and storing an A-GPS data, and switching the test apparatus into a conventional-GPS (C-GPS) operation mode, wherein the A-GPS data includes number of GPS satellites transmitting the first set of GPS signals and network ID and base station ID obtained through an RF signal of a mobile communication network; (d) searching for and receiving a second set of GPS signals; (e) generating a C-GPS geolocation information and, wherein the C-GPS geolocation information includes the latitude and the longitude of the measurement location and number of GPS satellites transmitting the second set of GPS signals; (f) gathering the C-GPS geolocation information and the A-GPS data, and transmitting the C-GPS geolocation information and the A-GPS data as a MAR optimizing data for use in optimizing the MAR to the position determination entity through the mobile communication networks. - View Dependent Claims (20, 21, 22, 23, 24, 25)
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Specification