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Method and apparatus for facilitating location estimation in a cdma 1X network

A technology for location information and location acquisition, applied in wireless communication, electrical components, etc.

Active Publication Date: 2018-04-24
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Each of these positioning techniques typically comes with different advantages and disadvantages, offering different trade-offs for accuracy, battery consumption, usability, etc. in different domains

Method used

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  • Method and apparatus for facilitating location estimation in a cdma 1X network
  • Method and apparatus for facilitating location estimation in a cdma 1X network
  • Method and apparatus for facilitating location estimation in a cdma 1X network

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Embodiment Construction

[0021] In the following description, specific details are given to provide a thorough understanding of the described embodiments. However, it will be understood by those of ordinary skill in the art that at least some aspects described herein may be practiced without these specific details. For example, circuits may be shown in block diagrams in order not to obscure the embodiments in unnecessary detail. In other instances, well-known circuits, structures and techniques may be shown in detail in order not to obscure the embodiments.

[0022] In the following description, certain terms are used to describe certain features of one or more implementations. The terms "access terminal" and "programming" as used herein are intended to be interpreted broadly. For example, an "access terminal" generally refers to one or more devices that communicate with one or more other devices via wireless signals. These access terminals may also be referred to by those skilled in the art as use...

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Abstract

Apparatus and methods are disclosed for determining a position of an access terminal within a wireless communication network. In some examples, the access terminal retrieves system information from its current serving cell and stores the retrieved system information in memory along with an associated timestamp. Over time, as the access terminal moves about the network, it can accumulate this system information for a plurality of base stations within its memory. By utilizing the system information for a plurality of base stations rather than only the current serving base station, as well as the associated timestamps, additional position information can be provided to the access terminal. Other aspects, embodiments, and features are also claimed and described.

Description

[0001] Cross References and Priority Claims to Related Applications [0002] This patent application claims priority and benefit to Provisional Patent Application No. 61 / 592,770, filed January 31, 2012 in the United States Patent and Trademark Office, entitled "Methods and Devices for Facilitating Location Approximation in a CDMA1XNetwork," The entire content of this application is incorporated herein by reference as fully set forth below and for all purposes. technical field [0003] Embodiments of the present invention relate generally to wireless communications and, more particularly, to methods and apparatus for determining the location and / or location information of a wireless access terminal. Background technique [0004] Wireless communication systems are widely deployed to provide various types of communication content such as voice, video, packet data, messaging, broadcast, and so on. These systems, in which multiple access terminals share available system resource...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W64/00
Inventor J·贾扬蒂A·S·扎德T·K·罗兰W·佩卡姆H·C·舒
Owner QUALCOMM INC
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