WO2017082256A1 - 主ビーム方向決定装置、ヘッドマウントディスプレイ、主ビーム方向決定方法及びプログラム - Google Patents
主ビーム方向決定装置、ヘッドマウントディスプレイ、主ビーム方向決定方法及びプログラム Download PDFInfo
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- WO2017082256A1 WO2017082256A1 PCT/JP2016/083133 JP2016083133W WO2017082256A1 WO 2017082256 A1 WO2017082256 A1 WO 2017082256A1 JP 2016083133 W JP2016083133 W JP 2016083133W WO 2017082256 A1 WO2017082256 A1 WO 2017082256A1
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- main beam
- beam direction
- mounted display
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- hmd
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F13/00—Video games, i.e. games using an electronically generated display having two or more dimensions
- A63F13/20—Input arrangements for video game devices
- A63F13/23—Input arrangements for video game devices for interfacing with the game device, e.g. specific interfaces between game controller and console
- A63F13/235—Input arrangements for video game devices for interfacing with the game device, e.g. specific interfaces between game controller and console using a wireless connection, e.g. infrared or piconet
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F13/00—Video games, i.e. games using an electronically generated display having two or more dimensions
- A63F13/25—Output arrangements for video game devices
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F13/00—Video games, i.e. games using an electronically generated display having two or more dimensions
- A63F13/25—Output arrangements for video game devices
- A63F13/26—Output arrangements for video game devices having at least one additional display device, e.g. on the game controller or outside a game booth
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F13/00—Video games, i.e. games using an electronically generated display having two or more dimensions
- A63F13/50—Controlling the output signals based on the game progress
- A63F13/52—Controlling the output signals based on the game progress involving aspects of the displayed game scene
- A63F13/525—Changing parameters of virtual cameras
- A63F13/5255—Changing parameters of virtual cameras according to dedicated instructions from a player, e.g. using a secondary joystick to rotate the camera around a player's character
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
- H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0868—Hybrid systems, i.e. switching and combining
- H04B7/088—Hybrid systems, i.e. switching and combining using beam selection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/10—Polarisation diversity; Directional diversity
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0176—Head mounted characterised by mechanical features
Definitions
- the orientation of the user's head frequently changes.
- the direction of the antenna built in the HMD also changes frequently.
- the present invention has been made in view of the above circumstances, and one of its purposes is a main beam direction determining device, a main beam direction determining method, and a program capable of shortening the time required for determining the main beam direction of a head mounted display. Is to provide.
- it further includes an attitude specifying unit that specifies an attitude of the head mounted display based on a detection result of a sensor included in the head mounted display, and the selecting unit has an attitude specified by the attitude specifying unit. In response, a part of the plurality of primary candidates is selected as the secondary candidate.
- the entertainment device 14 is a computer such as a game console, a DVD player, a Blu-ray (registered trademark) player, or the like.
- the entertainment device 14 according to the present embodiment generates video and audio by, for example, executing a stored game program or reproducing content recorded on an optical disc. Then, the entertainment device 14 according to the present embodiment outputs a video signal representing the generated video and an audio signal representing the generated audio to the HMD 12 and the display 18 via the relay device 16.
- the camera microphone unit 20 includes, for example, a camera 20a that outputs an image obtained by imaging a subject to the entertainment device 14, and a microphone that acquires surrounding audio, converts the audio to audio data, and outputs the audio data to the entertainment device 14. 20b is included.
- the camera 20a according to this embodiment is a stereo camera.
- the HMD 12 and the relay device 16 can mutually transmit and receive data by wireless communication, for example.
- the entertainment device 14 and the relay device 16 are connected via, for example, an HDMI cable or a USB cable.
- the relay device 16 and the display 18 are connected via, for example, an HDMI cable.
- the entertainment apparatus 14 and the camera microphone unit 20 are connected via, for example, an AUX cable.
- FIG. 3 is a sector candidate diagram schematically showing an example of a plurality of candidates in the main beam direction in the sector level sweep.
- FIG. 4 is an explanatory diagram for explaining an example of a correspondence relationship between the combination of the angle ⁇ and the angle ⁇ in the sector candidate diagram shown in FIG. 3 and the main beam direction.
- the direction perpendicular to the surface on which the array antenna built in the HMD 12 is disposed, and the direction from the back of the user wearing the HMD 12 to the front of the head is the positive X-axis direction in FIG. It corresponds to.
- the direction along the surface on which the array antenna built in the HMD 12 is arranged, and the direction from the right head to the left head of the user wearing the HMD 12 corresponds to the positive Y-axis direction in FIG. I will do it.
- FIG. 5 is a diagram illustrating an example of the relationship among the attitude of the HMD 12, the main beam direction, and the main beam angle parameter.
- the secondary candidate sector selection unit 56 selects a secondary candidate sector from the primary candidate sectors indicated by the primary candidate sector data.
- the secondary candidate sector selection unit 56 selects the primary candidate sector data corresponding to the range of angles in the narrowed-down area R specified by the narrowed-down area specifying unit 54 as the secondary candidate sector indicating the secondary candidate sector. Select as sector data. More specifically, for example, (( ⁇ c) ⁇ 2 + ( ⁇ c) ⁇ 2)) ⁇ 1 ⁇ primary candidate including the main beam angle parameter ( ⁇ , ⁇ ) that satisfies the condition of 1/2 ⁇ 40 Sector data is selected as secondary candidate sector data indicating secondary candidate sectors.
- the beam refinement processing execution unit 60 executes beam refinement processing for finely adjusting the main beam direction determined by the sector level sweep processing execution unit 58.
- the beam refinement process is also performed by communication (negotiation) between the HMD 12 and the relay device 16.
- the secondary candidate sector selection unit 56 selects the primary candidate sector in the narrowed down area R as the secondary candidate sector (S103).
- primary candidate sector data including a main beam angle parameter ( ⁇ , ⁇ ) that satisfies the condition (( ⁇ c) ⁇ 2 + ( ⁇ c) ⁇ 2)) ⁇ 1/2 ⁇ 40 is assumed.
- the secondary candidate sector data indicating the secondary candidate sector is selected.
- the radius of the narrowing region R may not be a length corresponding to 40 degrees. Further, the narrowing region R does not have to be circular.
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Mobile Radio Communication Systems (AREA)
- User Interface Of Digital Computer (AREA)
Abstract
Description
Claims (6)
- 主ビーム方向の複数の1次候補のうちからヘッドマウントディスプレイの主ビーム方向を決定する主ビーム方向決定装置であって、
前記ヘッドマウントディスプレイの姿勢に応じて前記複数の1次候補のうちの一部を2次候補として選択する選択部と、
前記2次候補のなかから当該2次候補それぞれによる通信が行われた際の通信品質に基づいてヘッドマウントディスプレイの主ビーム方向を決定する主ビーム方向決定部と、
を含むことを特徴とする主ビーム方向決定装置。 - 前記ヘッドマウントディスプレイが備えるセンサの検出結果に基づいて前記ヘッドマウントディスプレイの姿勢を特定する姿勢特定部をさらに含み、
前記選択部は、前記姿勢特定部が特定する姿勢に応じて前記複数の1次候補のうちの一部を前記2次候補として選択する、
ことを特徴とする請求項1に記載の主ビーム方向決定装置。 - 前記1次候補は、基準の向きに対する角度に対応付けられており、
前記選択部は、対応付けられている角度が前記ヘッドマウントディスプレイの姿勢に応じた角度の範囲内である前記1次候補を前記2次候補として選択する、
ことを特徴とする請求項1又は2に記載の主ビーム方向決定装置。 - 主ビーム方向の複数の1次候補のうちからヘッドマウントディスプレイの主ビーム方向を決定するヘッドマウントディスプレイであって、
前記ヘッドマウントディスプレイの姿勢に応じて前記複数の1次候補のうちの一部を2次候補として選択する選択部と、
前記2次候補のなかから当該2次候補それぞれによる通信が行われた際の通信品質に基づいてヘッドマウントディスプレイの主ビーム方向を決定する主ビーム方向決定部と、
を含むことを特徴とするヘッドマウントディスプレイ。 - 主ビーム方向の複数の1次候補のうちからヘッドマウントディスプレイの主ビーム方向を決定する主ビーム方向決定方法であって、
前記ヘッドマウントディスプレイの姿勢に応じて前記複数の1次候補のうちの一部を2次候補として選択するステップと、
前記2次候補のなかから当該2次候補それぞれによる通信が行われた際の通信品質に基づいてヘッドマウントディスプレイの主ビーム方向を決定するステップと、
を含むことを特徴とする主ビーム方向決定方法。 - 主ビーム方向の複数の1次候補のうちからヘッドマウントディスプレイの主ビーム方向を決定するコンピュータに、
前記ヘッドマウントディスプレイの姿勢に応じて前記複数の1次候補のうちの一部を2次候補として選択する手順、
前記2次候補のなかから当該2次候補それぞれによる通信が行われた際の通信品質に基づいてヘッドマウントディスプレイの主ビーム方向を決定する手順、
を実行させることを特徴とするプログラム。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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EP16864217.1A EP3343799B1 (en) | 2015-11-09 | 2016-11-08 | Main beam direction determination device, head-mounted display, method for determining main beam direction, and program |
US15/763,632 US10623076B2 (en) | 2015-11-09 | 2016-11-08 | Main beam direction determining device, head-mounted display, main beam direction determining method, and program |
JP2017550338A JP6368056B2 (ja) | 2015-11-09 | 2016-11-08 | 主ビーム方向決定装置、ヘッドマウントディスプレイ、主ビーム方向決定方法及びプログラム |
CN201680063906.5A CN108352889B (zh) | 2015-11-09 | 2016-11-08 | 主波束方向确定设备、头戴式显示器、确定方法及存储介质 |
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JP2015219586 | 2015-11-09 | ||
JP2015-219586 | 2015-11-09 |
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US (1) | US10623076B2 (ja) |
EP (1) | EP3343799B1 (ja) |
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CN (1) | CN108352889B (ja) |
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Cited By (2)
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JP2022509772A (ja) * | 2018-11-19 | 2022-01-24 | フェイスブック・テクノロジーズ・リミテッド・ライアビリティ・カンパニー | 運動型デバイスの方向性ワイヤレスリンクを維持するためのシステムおよび方法 |
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Also Published As
Publication number | Publication date |
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EP3343799A4 (en) | 2019-06-12 |
CN108352889A (zh) | 2018-07-31 |
US20180287679A1 (en) | 2018-10-04 |
US10623076B2 (en) | 2020-04-14 |
EP3343799B1 (en) | 2023-12-27 |
CN108352889B (zh) | 2021-09-10 |
EP3343799A1 (en) | 2018-07-04 |
JP6368056B2 (ja) | 2018-08-01 |
JPWO2017082256A1 (ja) | 2018-03-29 |
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