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Positioning receiver

A receiver and positioning platform technology, applied in the field of systems, computer software products, wireless communication equipment, and clock signal devices, can solve the problems of complex implementation of receivers, improve tracking functions, increase circuit area, and increase power consumption Effect

Inactive Publication Date: 2007-04-11
NOKIA CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Thus, when applying prior art implementations, it is possible to use separate receive channels and sampling devices for different systems, which makes the implementation of the receiver more complex

Method used

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Embodiment Construction

[0018] In the following, the present invention will be described by using the GPS system as an example of a positioning system, but, obviously, the present invention is not limited to use only in the GPS system. The positioning stations 10.1-10.4 used in the GPS system are satellites that transmit spread spectrum modulated signals. However, the positioning station can also be other satellite stations, for example, base stations BS, BS', BS" in the mobile communication system.

[0019] FIG. 1 illustrates a system in which signals transmitted by positioning stations 10.1-10.4 are received by a receiver 1 . Using these signals, the receiver makes a position fix by using, for example, the timing data of the signals, encoded phase data and orbital parameters, and by calculating position-time in a known manner.

[0020]In the embodiment of Fig. 2, the receiver comprises a plurality of receive channels 2, wherein on each channel first an attempt is made to acquire a signal from one ...

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PUM

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Abstract

The present invention relates to a positioning receiver (1) comprising one or more receiving channels (2) for receiving a signal from a positioning station (10.1-10.4), control means (2.1-2.8) for controlling the reception of the signal from the positioning station (10.1-10.4), and means (1.5, 1.6) for generating a clock signal for said acquisition and tracking means (2.1-2.8). The positioning receiver (1) also comprises means (1.9, 1.10, 1.11) for taking samples at at least first and second sampling rates, and means (1.12) for selecting samples from said samples taken at said at least first and second sampling rates, to be used in said control means (2.1-2.8), for controlling signal reception. Furthermore, the invention relates to a system, a wireless communication device (4), a module, a method, and a computer software product.

Description

technical field [0001] The invention relates to a positioning receiver comprising one or more receive channels for receiving signals from a positioning station, control means for controlling the reception of signals from the positioning station, and means for generating a clock signal for said control means. The invention also relates to a system comprising a positioning station transmitting signals for positioning, and a positioning receiver comprising one or more receive channels for receiving signals from the positioning station, for controlling the secondary positioning Control means for receiving signals from a station and means for generating a clock signal for said control means. Furthermore, the invention relates to a wireless communication device comprising a positioning receiver comprising one or more receive channels for receiving signals from a positioning station, control means for controlling the reception of signals from a positioning station and for generating ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S5/02G01SG01S1/00G01S19/24G01S19/29G01S19/34
CPCG01S19/24G01S19/29G01S19/34G01S19/13
Inventor 阿里·瓦利奥萨穆利·皮耶蒂拉
Owner NOKIA CORP
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