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Transmitting service advertisements

A technology of notification and positioning mode, applied in service signaling, wireless communication, sustainable communication technology, etc., can solve the problem that GPS is not very effective

Inactive Publication Date: 2014-10-01
NOKIA TECH OY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, GPS is often not very effective in determining accurate bearings indoors

Method used

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  • Transmitting service advertisements
  • Transmitting service advertisements
  • Transmitting service advertisements

Examples

Experimental program
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Embodiment Construction

[0072] The figure illustrates detecting a radio signal 50 from a first location 80 at the device 10 ; using the one or more detected radio signals to estimate a bearing 82 from the first location 80 ; and using the bearing to locate the device 10 .

[0073] figure 1 A person 92 (carrying a receiver device 10 ) is illustrated at an orientation 95 on a floor 100 of a building 94 . Building 94 may be, for example, a shopping mall or a convention center.

[0074] Base station transmitter 30 is placed at location 80 of building 94 . In the illustrated example, the location 80 is on the ceiling of the building 94 (ie, overhead on an interior surface), but in other implementations, the transmitter may be placed elsewhere, such as on a wall. Base station transmitter 30 may be referred to as a directional transceiver (DT).

[0075] The location 80 is directly above the point indicated with reference 70 on the floor 100 of the building. The transmitter 30 is used to enable a user of...

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Abstract

Apparatus (30) comprises a battery power supply, a radio-frequency transceiver, a multi-element antenna, and processor and memory. Software causes the apparatus (30): when in an idle mode, to broadcast positioning service advertisements and to refrain from broadcasting positioning packets, when in a positioning mode to broadcast positioning packets from each of the elements of the antenna (32A-C) such as to allow a mobile device (10) to determine a bearing to the mobile device (10) from the apparatus (30), and to transition from the idle mode to the positioning mode in response to receiving either a) a wake-up command or b) a positioning packet, from another apparatus including a multi-element antenna. The apparatus (30) may comprise a Bluetooth Low Energy transceiver; and software that causes the apparatus (30): to transmit advertisements for positioning services on a first channel; and to broadcast positioning packets on a second channel such as to allow a mobile device (10) to determine a bearing to the mobile device (10) from the apparatus (30), wherein the first and second channel are on different frequencies.

Description

technical field [0001] The technical field of the invention relates to delivering service announcements. Background technique [0002] There are a number of known techniques for determining the position of a device using radio frequency signals. Some popular techniques involve the use of the Global Positioning System (GPS), in which multiple satellites orbiting the Earth transmit radio frequency signals that enable a GPS receiver to determine its position. However, GPS is often not very effective in determining accurate bearings indoors. [0003] Some non-GPS positioning technologies enable a device to determine its position indoors. An example technique is described in WO 2011 / 107825 by the inventors of the present invention. Contents of the invention [0004] A first aspect of the invention provides apparatus comprising: [0005] battery power, [0006] radio frequency transceiver, [0007] multi-element antennas, and [0008] a processor and memory containing sof...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/20H04W76/00H04W88/08G01S1/04G01S5/02H04W64/00H04W52/02H01Q3/24
CPCH04W52/0206H04W64/00G01S1/042H04W88/08H04W76/048H04W4/20H04W52/0229H04W48/10G01S3/38G01S5/08G01S5/12H04W76/28Y02D30/70
Inventor A·凯努莱宁V·兰基F·拜洛尼K·卡里奥拉
Owner NOKIA TECH OY
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