Providing OTDOA prs assistance data

An auxiliary data and time difference technology, applied in positioning, pilot signal distribution, measurement devices, etc., can solve the problem that the serving cell cannot contain OTDOA auxiliary data, etc.

Active Publication Date: 2016-03-09
QUALCOMM INC
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  • Abstract
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Problems solved by technology

[0007] However, in some cases the serving cell

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  • Providing OTDOA prs assistance data
  • Providing OTDOA prs assistance data
  • Providing OTDOA prs assistance data

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Embodiment Construction

[0032] The terms "mobile station" (MS), "user equipment" (UE) or "target" are used interchangeably herein and may refer to devices such as: cellular or other wireless communication devices, personal communication systems (PCS) device, personal navigation device (PND), personal information manager (PIM), personal digital assistant (PDA), laptop computer, or other suitable mobile device capable of receiving wireless communication and / or navigation signals. The term is also intended to encompass a device that communicates with a personal navigation device (PND), for example, by short-range wireless, infrared, cable connection or other connection, regardless of whether satellite signal reception, assistance data reception and / or reception occurs at said device or at said PND Or position-dependent processing.

[0033] Furthermore, the terms MS, UE, "mobile station" or "target" are intended to encompass all devices, including wireless and cable communication devices, computers, lapt...

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Abstract

Disclosed embodiments pertain to the obtaining and utilization of Observed Time Difference of Arrival (OTDOA) assistance data. Cell timing information obtained based on measurements by a Mobile Station (MS) of neighbor cells may comprise cell timing offsets of the neighbor cells relative to a serving cell for the MS. OTDOA assistance data may be generated, where the OTDOA assistance data may comprise an OTDOA assistance data reference cell and a cell timing offset between the serving cell and an OTDOA assistance data reference cell, the reference cell being selected based on the received neighbor cell measurements. Embodiments disclosed also pertain to methods on an MS for performing measurements of neighbor cells comprising cell timing information for neighbor cells by requesting idle periods with a desired length from a base station to perform the measurements, and performing the requested measurements upon receiving confirmation that the idle periods have been configured.

Description

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS [0002] This application claims the benefit of and priority to U.S. Application Serial No. 14 / 089,738, filed November 25, 2013, entitled "Providing Observed Time Difference of Arrival Positioning Reference Signal Aiding Data," which is claimed July 2013 Benefit and Priority to U.S. Provisional Application No. 61 / 845,872, filed on the 12th, entitled "Providing Observed Time Difference of Arrival Positioning Reference Signal Aiding Data," both assigned to the present assignee and incorporated by reference methods are incorporated in this article. technical field [0003] The subject matter disclosed herein relates to positioning reference signal (PRS) assistance data. Background technique [0004] It is often necessary to know the location of a terminal such as a cellular telephone. For example, a Location Services (LCS) client may need to know the location of the terminal in case of an emergency services call or to provide a ...

Claims

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Application Information

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IPC IPC(8): H04W64/00G01S5/02G01S5/10
CPCG01S5/0236G01S5/10H04W64/00H04W76/28H04W4/023Y02D30/70H04L5/0048H04W88/02H04W88/08
Inventor 斯文·菲舍尔
Owner QUALCOMM INC
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