WO2023174867A1 - Dispositif accessoire owc - Google Patents

Dispositif accessoire owc Download PDF

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Publication number
WO2023174867A1
WO2023174867A1 PCT/EP2023/056347 EP2023056347W WO2023174867A1 WO 2023174867 A1 WO2023174867 A1 WO 2023174867A1 EP 2023056347 W EP2023056347 W EP 2023056347W WO 2023174867 A1 WO2023174867 A1 WO 2023174867A1
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WO
WIPO (PCT)
Prior art keywords
eud
accessory device
smart
kit
smart accessory
Prior art date
Application number
PCT/EP2023/056347
Other languages
English (en)
Inventor
Andreas Felix Alfred BLUSCHKE
Christian Jordan
Pamungkas Prawisuda SUMASTA
Heinz Alex WILLEBRAND
Original Assignee
Signify Holding B.V.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Signify Holding B.V. filed Critical Signify Holding B.V.
Publication of WO2023174867A1 publication Critical patent/WO2023174867A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • H04B10/114—Indoor or close-range type systems
    • H04B10/116—Visible light communication

Definitions

  • the present disclosure relates to a kit comprising an End User Device, EUD, and a smart accessory device which together provide Optical Wireless Communication, OWC, functionality for the EUD.
  • EUD End User Device
  • OWC Optical Wireless Communication
  • Optical wireless communication refers to techniques whereby information is communicated in the form of a signal embedded in light (including for example visible light or invisible light, such as for example infrared light) emitted by a light source by modulating at least one property of the light.
  • visible light may be light that has a wavelength in the range 380nm to 740nm
  • infrared (IR) light may be light that has a wavelength in the range 740nm to 1.5mm. It is appreciated that there may be some overlap between these ranges.
  • such techniques may also be referred to as coded light, Light Fidelity (LiFi), visible light communication (VLC) or free-space optical communication (FSO).
  • FIG 1 shows schematically an example arrangement of an OWC system 10 showing various components which may be present.
  • the OWC system 10 comprises a home infrastructure network 11 including a plurality of interconnected End User Connectivity Devices (EUCDs), which each provide a respective home connectivity network 12a-d.
  • the home infrastructure network 11 may also include one or more Inter-of-Things Gateways (loT-GWs) providing other networks 13 such as a Personal Area Network (PAN) or Sensor Area Network (SAN).
  • the home infrastructure network 11 also includes at least one Residential Gateway (RGW) connecting the home infrastructure network 11 to an access extension network 14.
  • the access extension network 14 may in turn be connected to an access network 15 via a Network Terminal (NT).
  • NT Network Terminal
  • the access network 15 ultimately connects to cloud services 16 via a Central Office (CO).
  • CO Central Office
  • the home infrastructure network 11 may be referred to as the “backhaul network”.
  • the home connectivity networks 12 may be referred to as the “fronthaul network”.
  • other OWC network setups can differ significantly from the example given in Figure 1, and comprise more or fewer components of different types.
  • the EUCDs may alternatively be referred to or regarded as “access points” (or “APs”) of the OWC network 10.
  • the EUCDs may for example be integrated into luminaires, e.g. at a ceiling or a wall of a room, at a floorlamp, etc.
  • Each EUCD comprises an optical front end for outputting OWC signals.
  • the EUCDs output a respective OWC signal for reception by End User Devices (EUDs).
  • EUDs 200 include laptops, smartphones, tablet computers, etc.
  • EUD 200 is in connected to EUCD 500 via home connectivity network 12a.
  • EUCD 500 outputs a respective beam of light modulated to carry an OWC signal, the beam defining a field of view (FoV) of EUCD 500, and EUD 200 is within that FoV.
  • the FoVs of each EUCD generally depend on the environment in which the EUCD is installed, and may overlap with each other.
  • an OWC interface is required. It may not be possible or desirable to integrate the OWC interface into the EUD 200 itself, for example due to space constraints. In such cases, an external device, commonly referred to as an OWC dongle, may be provided.
  • An OWC dongle comprises an OWC interface and also a connector for connecting to the EUD. This connector is typically a USB or RJ45 connection, which can provide both data communication and power transfer.
  • a kit comprising an end user device, EUD and a smart accessory device, wherein an Optical Wireless Communication, OWC, transceiver comprising an Optical Front End (OFE) an Analogue Front End (AFE), an analogue-to-digital converter (ADC), an digital -to-analogue converter (DAC), and a Digital Front End (DFE), is implemented in a distributed manner across the EUD and the smart accessory device, wherein: the EUD comprises the ADC, the DAC, andthe DFE, of said OWC transceiver, and the EUD comprises a communication interface for communicating with the smart accessory device with analogue signals; and the smart accessory device comprises the AFE and the OFE of said OWC transceiver, and the smart accessory device comprises a communication interface for communicating with the EUD with analogue signals.
  • OWC Optical Wireless Communication
  • the smart accessory device may be a smart cover for the EUD.
  • the smart cover is designed to physically attach to the EUD.
  • the smart cover may be constructed to fit onto the EUD such that it is held in place by friction.
  • the smart cover and/or the EUD may comprise one or more attachment elements for physically attaching the smart cover to the EUD.
  • the smart accessory device may be a docking station or docking pad for the EUD.
  • the communication interface of the smart accessory device is a wireless communication interface for communicating wirelessly with the EUD
  • the communication interface of the EUD is a wireless communication interface for communicating wirelessly with the smart accessory device.
  • the wireless communication provided by the wireless communication interfaces may be short-range, or “near-field” wireless communication.
  • the communication interfaces may provide high-speed wireless communication. In other examples, low-speed or “normal” wireless communication may be used.
  • the communication interface of the smart accessory device is a wireless communication interface.
  • the kit may comprise an adapter having a wired connection to a wired port of the EUD, the adapter comprising a wireless communication interface for communicating wirelessly with the wireless communication interface of the smart accessory device to enable wireless communication between the EUD and the smart accessory device via the adapter.
  • the EUD comprises a wireless power transfer interface for transmitting power wirelessly to the smart accessory device
  • the smart accessory device comprises a wireless power transfer interface for receiving power wirelessly from the EUD and/or sending power wirelessly to the EUD (200).
  • the smart accessory device comprises an internal battery.
  • the smart accessory device comprises two or more OFEs having different fields of view, FoV.
  • the OFE(s) of the smart accessory device may be mechanically configurable such that the FoV of the OFE(s) can be adapted by changing the orientation of the OFE(s) relative to the smart accessory device. That can be done manually by a user and/or by an actuator of the smart accessory device.
  • the smart accessory device comprises a single AFE operatively coupled to each of the OFEs.
  • Using only a single AFE allows the smart accessory device to be made smaller.
  • the single AFE may have MIMO/MISO or SIMO capabilities allowing it to perform analogue processing on signals received from and/or to be sent to each respective OFE. This may require configuration of the DFE of the EUD and/or the communication interfaces in order to support the multiple channels.
  • the smart accessory device comprises a respective AFE for each of said OFEs. This can simplify the configuration of the DFE of the EUD and/or the communication interfaces relative to examples in which a single AFE is used.
  • the FoVs of the OFEs are non-overlapping.
  • the FoVs of the OFEs are directed in orthogonal directions.
  • the EUD is a smartphone.
  • the smart accessory device comprises at least one port connectable to an external device for receiving electrical power from or sending electrical power to said external device.
  • the smart accessory device comprises at least one port connectable to an external device for receiving data from or sending data to said external device.
  • the smart accessory device comprises at least one port connected to the AFE (320), the at least one port being connectable to an external device for receiving OWC signals from or sending OWC signals to an OFE of said external device.
  • Fig. 1 shows schematically an example of an OWC network
  • Fig. 2 shows schematically an example of a kit comprising an EUD and a smart cover for the EUD;
  • Fig. 3 shows schematically another example of a kit comprising an EUD and a smart cover for the EUD
  • Fig. 4 shows schematically an example of a kit comprising an EUD, a smart cover for the EUD, and an adapter;
  • Fig. 5 shows schematically another example of a kit comprising an EUD and a smart cover for the EUD.
  • the present disclosure describes a kit comprising an EUD and a smart accessory device, which together provide OWC functionality.
  • the smart accessory device is a smart cover for the EUD, but it is appreciated that the smart accessory device may be another type of device such as a smart docking station (also called a docking pad) for the EUD.
  • a smart docking station is a device on which the EUD 200 can be placed or rested.
  • the smart cover may alternatively be referred to as a smart case, sleeve, shell, or envelope.
  • OWC functionality is provided by an OWC transceiver comprising an Optical Front End (OFE), Analogue Front End (AFE), and Digital Front End (DFE).
  • OFE Optical Front End
  • AFE Analogue Front End
  • DFE Digital Front End
  • the OWC transceiver is implemented in a distributed manner across the EUD and smart accessory device. Specifically: only the OFE and AFE of the OWC transceiver are implemented in the smart accessory device; and the DFE is implemented in the EUD.
  • An advantage of this is that the smart accessory device can be made smaller, cheaper, and lighter because it comprises fewer components than would otherwise be required if the entire OWC transceiver was implemented in the smart accessory device. Additionally, it allows more flexibility in terms of future-proofing should an EUD with an improved DFE becomes available.
  • FIG. 2 shows schematically a first example of a kit 100 comprising an EUD 200 and a smart accessory device.
  • the smart accessory device is a smart cover 300.
  • the smart cover 300 is merely an example of a smart accessory device.
  • a smart docking station also called a smart docking pad. All of the features described herein in relation to the smart cover 300 apply equally in relation to a smart docking station or other smart accessory device.
  • An advantage of using a smart cover 300 is that it can be physically attached to the EUD 200, meaning that only a single object (the EUD 200 with attached smart cover 300) is required. That is, the EUD 200 and smart cover 300 form a single “object” in the sense that a user can handle the EUD 200 and smart cover 300 as a single item.
  • the smart cover may alternatively be referred to as a smart case, sleeve, shell, or envelope.
  • the smart cover 300 may comprise one or more features to protect the EUD 200.
  • the smart over 300 may have a soft finish with a durable exterior, and/or a microfiber internal layer.
  • the EUD 200 comprises a Digital Front End (DFE) 210, a controller 220, and a communication interface 230.
  • DFE Digital Front End
  • the controller 220 is operatively coupled to the DFE 210 and the communication interface 230.
  • the controller 220 may be implemented using one or more processors.
  • the EUD 200 may be, for example, a laptop or a smartphone. It is appreciated that the EUD 200 will typically comprise many more components than shown in Figure 2, e.g. a touchscreen, one or more sensors, one or more network connection interfaces (e.g. a WiFi interface), power supply, etc.
  • the smart cover 300 comprises an Optical Front End (OFE) 310, an Analogue Front End (AFE) 320, a communication interface 330, and optionally an internal battery 340.
  • OFE Optical Front End
  • AFE Analogue Front End
  • the communication interface 230 of the EUD 200 and the communication interface 330 of the smart cover 300 are wired communication interfaces providing for a wired connection between the EUD 200 and the smart cover 300.
  • An example of a suitable wired connections is XAUI (10 Gigabit Attachment Unit Interface), although it is appreciated that other types of wired connection are possible.
  • wired connection can provide power transfer as well as data communication.
  • the EUD 200 may also provide power to the smart cover 300 via the wired connection.
  • a second wired connection may be provided for power transfer.
  • the smart cover 300 may comprise an internal battery 340 (also called a “power bank”) which is charged by power received from the EUD 200.
  • the internal battery 340 may be charged by another method (e.g. a separate wired or wireless interface), in which case the wired connection between the EUD 200 and the smart cover 300 does not need to provide power transfer.
  • the wired connection may still provide power for charging the internal battery 340 of the smart cover 300.
  • the OFE 310 and the AFE 320 of the smart cover 300 and the DFE 210 of the EUD 200 together implement an OWC transceiver, which enables the controller 220 of the EUD 200 to send and receive OWC signals.
  • the communication interfaces 230, 330 allow for data to be transferred between the DFE 210 of the EUD 200 and the AFE 320 of the smart cover 300.
  • the OWC transceiver can both receive OWC signals (provide a “downlink” communication channel) and transmit OWC signals (provide an “uplink” communication channel) as will now be described.
  • the OFE 310 of the smart cover 300 receives OWC signals via one or more photodetectors (not shown) of the smart cover 300.
  • the received OWC signals are converted into electrical signals and provided to the AFE 320 of the smart cover 300.
  • the AFE 320 performs analogue processing on the received electrical signals.
  • the AFE 320 passes the processed electrical signals to the smart cover communication interface 330 for transmission to the EUD communication interface 230 of the EUD 200 in the manner described above.
  • the processed electrical signals are then passed from the EUD communication interface 230 to the DFE 210 of the EUD 200.
  • the DFE 210 performs digital processing on the electrical signals including, for example, decoding to extract data embedded in the electrical signals.
  • an analogue-to-digital (AD) converter may be provided for converting the analogue signals processed by the AFE 320 to a digital format suitable for processing by the DFE 210.
  • Such an AD converter may be provided at the smart cover 300 and/or the EUD 200.
  • An advantage of implementing the AD converter at the EUD 200 is that fewer components are required in the smart cover 300, allowing the size of the smart cover 300 to be kept to a minimum.
  • the DFE 210 then passes the data to the controller 220 of the EUD 200. Hence, the EUD 200 is able to receive data via a downlink from an OWC network by leveraging the hardware provided in the smart cover 300.
  • the DFE 210 of the EUD 200 receives data from the controller 220 of the EUD 200 to be output as OWC signals.
  • the DFE 210 applies digital processing to e.g. encode the data into a digital signal.
  • the DFE 210 then passes the digital signal to the EUD communication interface 230 of the EUD 200 for transmission to the smart cover communication interface 330 in the manner described above.
  • the digital signals are then passed to the AFE 320 of the smart cover 300.
  • an digital-to-analogue (DA) converter may be provided for converting the digital signals processed by the DFE 210 to an analogue format suitable for processing by the AFE 320.
  • DA digital-to-analogue
  • Such a DA converter may be provided at the smart cover 300 and/or the EUD 200.
  • An advantage of implementing the DA converter at the EUD 200 is that fewer components are required in the smart cover 300, again allowing the size of the smart cover 300 to be kept to a minimum (in addition to future-proofing similar to as mentioned earlier should an improved EUD 200 become available).
  • the AFE 320 applies analogue processing to the signals.
  • the processed signal is then passed to the OFE 310 of the smart cover 300 for output from the OFE 310 in the form of a modulated light wave (modulated electromagnetic radiation).
  • the EUD 200 is able to transmit data via an uplink to an OWC network by leveraging the hardware provided in the smart cover 300.
  • Figure 3 shows another example of a kit 100 comprising an EUD 200 and a smart cover 300.
  • the communication interface 230 of the EUD 200 is a wireless communication interface for communicating wirelessly with the smart cover 300.
  • the communication interface 330 of the smart cover 300 is also a wireless communication interface for communicating wirelessly with the EUD 200. It is noted that because wireless communication is digital (examples given below), the AD and DA converters mentioned above must in this example be comprised in the smart cover 300 (between the communication interface 330 and the AFE 320, specifically).
  • the construction of the EUD 200 and smart cover 300 is such that the wireless communication interface 230 of the EUD 200 and the wireless communication interface 330 of the smart cover 300 align when the smart cover 300 is physically attached to the EUD 200 (or are at least sufficiently close to permit wireless communication therebetween). It is appreciated that similar considerations apply in relation to examples in which the smart accessory device is a smart docking station. One difference is that the orientation of the EUD 200 in relation to the smart docking station when placed on the smart docking station may vary (e.g. the EUD 200 may be placed in either a horizontal or a vertical orientation). The smart docking station may be adapted to allow wireless communication with the EUD 200 in a plurality of orientations.
  • Wireless communication between the wireless communication interface 230 of the EUD 200 and the wireless communication interface 330 of the smart cover 300 may be provided by any suitable arrangement.
  • the wireless communication will use transmission frequencies outside the visible light and infrared ranges, and typically having a frequency much less than visible light and infrared frequencies.
  • the wireless communication may use a frequency of around 57.1 GHz to 63.9 GHz (e.g. with a Centre Channel Frequency of 60.952 GHz).
  • wireless communication between the wireless communication interface 230 of the EUD 200 and the wireless communication interface 330 of the smart cover 300 may be provided by a near-field communication technology, which enables communication between two electronic devices over a short distance.
  • a near-field communication technology which enables communication between two electronic devices over a short distance.
  • NFC Near-Field Communication
  • the NFC connection may be a high-speed NFC connection or a “normal” low-speed NFC connection.
  • ST60A2G0 An example of a known product which can be used to implement the wireless connection is ST60A2G0.
  • ST60A2G0 is an RF millimetre-wave transceiver product operating in the 60 GHz V-Band. It provides a very power efficient and high data rate wireless link enabling freedom from physical cables and connectors for short range (a few centimetres) point-to-point communication, using a variety of external antennas. Such antennas can be patch antennas designed on PCB or highly directive SMT hom antennas allowing both end-fire and broadside radiation patterns.
  • the ST60A2G0 can achieve wireless transfer speeds up to 6.25Gbit/s.
  • ST60A2G0 can implement both high-speed and low-speed wireless communication.
  • KSS104M Keyssa KSS104M.
  • KSS104M chips provide contactless connectors which can transmit and receive data at speeds of up to 6Gbps.
  • KSS104M is designed to run standard protocols, including USB SuperSpeed, DisplayPort, Ethernet, as well as other highspeed and lower-speed serial protocols.
  • KSS104M can implement both high-speed and low- speed wireless communication.
  • the EUD 200 additionally comprises a wireless power transfer interface 231 for providing power wirelessly to the smart cover 300.
  • the smart cover 300 comprises a wireless power transfer interface 331 for receiving power wirelessly from the EUD 200.
  • WPT Wireless Power Transfer
  • the wireless power transfer interface 231 of the EUD 200 and the wireless power transfer interface 331 of the smart cover 300 may be provided e.g. using the Qi or some other standard such as Power Matter Alliance (PMA) wireless charging.
  • PMA Power Matter Alliance
  • the construction of the EUD 200 and smart cover 300 is such that the wireless power transfer interface 231 of the EUD 200 and the wireless power transfer interface 331 of the smart cover 300 align when the smart cover 300 is physically attached to the EUD 200 (or are at least sufficiently close to permit wireless power transfer therebetween). It is appreciated that similar considerations apply in relation to examples in which the smart accessory device is a smart docking station. One difference is that the orientation of the EUD 200 in relation to the smart docking station when placed on the smart docking station may vary (e.g. the EUD 200 may be placed in either a horizontal or a vertical orientation). The smart docking station may be adapted to allow wireless power transfer to the EUD 200 in a plurality of orientations.
  • the smart cover 300 may comprise its own internal battery 340 and therefore the wireless power transfer interfaces 231, 331 may not be required. Even in examples in which the smart cover 300 comprises its own internal battery 340, the wireless power transfer interfaces 231, 331 may still be provided one of more of: charging the internal battery 340 of the smart cover 300 by sending power from the EUD 200 to the smart cover 300; and/or charging an internal battery of the EUD 200, thereby extending the effective battery life of the EUD 200.
  • the smart accessory device is a smart docking station
  • the smart docking station will typically be powered externally (e.g. by a connection to a mains power supply), and send power wirelessly to the EUD 200 when the EUD 200 is placed on the smart docking station to e.g. charge the internal battery of the EUD 200.
  • Figure 4 shows another example of a kit 100 comprising an EUD 200 and a smart cover 300.
  • the kit 100 additionally comprises an adapter 400.
  • the adapter 400 allows an EUD 200 with a wired communication interface 230 to still operate with a smart cover 300 having a wireless communication interface 330.
  • the adapter 400 has both a wired connector 402 for making a wired connection to the wired communication interface 230 of the EUD 200 using a cable and a wireless communication interface 403 for communicating wirelessly with the wireless communication interface 330 of the smart cover 300.
  • the adapter 400 may comprise one or more controllers to apply processing to signals passing through the adapter 400.
  • a controller at the adapter 400 may convert signals received via the wired connector 402 in a first signal format into a second signal format suitable for wireless transmission to the smart cover 300 via the wireless communication interface 403 of the adapter 403, and vice-versa.
  • the AD converter and/or DA converter mentioned above in examples may also be implemented at the adapter 400.
  • Figure 5 shows another example of a kit 100 comprising an EUD 200 and a smart cover 300.
  • the smart cover 300 comprises two OFEs 310a, 310b.
  • the smart cover 300 may comprise three or more OFEs.
  • the region over which a given OFE 310 can receive and transmit OWC signals defines a Field of View (FoV) for that OFE 310.
  • the orientation of an OFE 310 within the smart cover 300, and therefore the direction of the FoV for that OFE 310 relative to the EUD 200, is fixed by the relative orientation of the EUD 200 and the smart cover 300 which is attached to the EUD 200.
  • an advantage of including two or more OFEs 310a, 310b in the smart cover 300, as in this example, is that the effective FoV is increased.
  • the first OFE 310a is shown having a first FoV 315a and the second OFE 310b is shown having a second FoV 315b different from the first FoV 315a.
  • the OFEs 310 may be placed within the smart cover 300 in such a manner that they have nonoverlapping FoVs 315.
  • the OFEs 310 may be placed within the smart cover 300 to be directed in orthogonal directions, that is with the centres of the respective FoVs being at (at least approximately) 90° with respect to each other.
  • three OFEs 310 may be provided, each pointing in a different mutually orthogonal X-Y-Z direction.
  • the OFE(s) 310 may be mechanically configurable such that the FoV 315 of the OFE(s) 310 can be adapted by changing the orientation of the OFE(s) 310 relative to the smart cover 300. That can be done manually by a user and/or by an actuator of the smart cover 300.
  • the smart cover 300 comprises a single AFE 320 operatively coupled to each of the OFEs 310a, 310b.
  • An advantage of this arrangement is that the smart cover 300 requires fewer components and can therefore be manufactured smaller, lighter, cheaper, etc.
  • the single AFE 320 may have MIMO/MISO or SIMO capabilities allowing it to perform analogue processing on signals received from and/or to be sent to each respective OFE 310a, 310b. This may require configuration of the DFE 210 of the EUD 200 and/or the communication interfaces 230, 330, in order to support the multiple channels.
  • the smart cover 300 may comprise a respective AFE 320 for each of the OFEs 310a, 310b. This can simplify the configuration of the DFE 210 of the EUD 200 and/or the communication interfaces 230, 330 relative to examples of Figure 5 in which a single AFE 320 is used.
  • the smart cover 300 may comprise one or more buttons, activation of which is communicated to the EUD 200 via the communication interfaces 330, 230, for operation of the EUD 200.
  • the smart cover 300 may comprise one or more light sources (e.g. LEDs). These light sources may be used to indicate visually a status of the EUD 200.
  • the smart cover 300 may comprise one or more ports (e.g. USB ports, lighting connectors, etc.) on an external surface allowing external devices to be connected to the smart cover 300.
  • the positioning of the one or more ports on the smart cover 300 may be such that these ports are accessible even when the smart cover 300 is attached to the EUD 200. Even in cases where the ports are only accessible when the smart cover 300 is not attached to the EUD 200, such ports can still be useful e.g. if the smart cover 300 comprises an internal battery 340, then the external device may be charged by connecting it to one of the ports.
  • one or more ports may be provided on the smart cover 300 for sending data to and/or receiving data from an external device.
  • one or more ports may be provided on the smart cover 300 for sending data to and/or receiving data from an external device.
  • an external device which may be connected to the smart cover 300 by a port
  • an external OFE i.e. an external device comprising one or more OFEs similar to the OFEs 310 described above.
  • OWC signals received by the OFE(s) of the external device may be provided to the smart cover 300 where they can be processed by one of the AFEs 320 in a similar manner to described above.
  • the port for connection to an external OFE may be operatively coupled to its own dedicated AFE, or may use one of the AFEs 320 described above which also processes OWC signals from one of the “internal” OFEs 310 described above.
  • a single port may provide any one or more of the above example functionalities.
  • processor or processing system or circuitry referred to herein may in practice be provided by a single chip or integrated circuit or plural chips or integrated circuits, optionally provided as a chipset, an application-specific integrated circuit (ASIC), field-programmable gate array (FPGA), digital signal processor (DSP), graphics processing units (GPUs), etc.
  • the chip or chips may comprise circuitry (as well as possibly firmware) for embodying at least one or more of a data processor or processors, a digital signal processor or processors, baseband circuitry and radio frequency circuitry, which are configurable so as to operate in accordance with the exemplary embodiments.
  • the exemplary embodiments may be implemented at least in part by computer software stored in (non-transitory) memory and executable by the processor, or by hardware, or by a combination of tangibly stored software and hardware (and tangibly stored firmware).
  • Suitable devices include for example a hard disk and non-volatile semiconductor memory (including for example a solid-state drive or SSD).
  • the invention also extends to computer programs, particularly computer programs on or in a carrier, adapted for putting the invention into practice.
  • the program may be in the form of non-transitory source code, object code, a code intermediate source and object code such as in partially compiled form, or in any other non-transitory form suitable for use in the implementation of processes according to the invention.
  • the carrier may be any entity or device capable of carrying the program.
  • the carrier may comprise a storage medium, such as a solid-state drive (SSD) or other semiconductor-based RAM; a ROM, for example a CD ROM or a semiconductor ROM; a magnetic recording medium, for example a floppy disk or hard disk; optical memory devices in general; etc.
  • SSD solid-state drive
  • ROM read-only memory
  • magnetic recording medium for example a floppy disk or hard disk
  • optical memory devices in general etc.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Un kit (100) comprend un dispositif utilisateur final, EUD (200) et un dispositif accessoire intelligent (300), qui fournissent ensemble un émetteur-récepteur de communication optique sans fil, OWC. L'EUD (200) comprend un front-end numérique, DFE, (210) dudit émetteur-récepteur OWC. Le dispositif accessoire intelligent (300) comprend un front-end analogique, AFE, (320) dudit émetteur-récepteur OWC et un front-end optique, OFE, (310) dudit émetteur-récepteur OWC. L'EUD (200) comprend une interface de communication (230) pour communiquer avec le dispositif accessoire intelligent (300). Le dispositif accessoire intelligent (300) comprend une interface de communication (330) pour communiquer avec l'EUD (200).
PCT/EP2023/056347 2022-03-14 2023-03-13 Dispositif accessoire owc WO2023174867A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US202263319455P 2022-03-14 2022-03-14
US63/319,455 2022-03-14
EP22163985.9 2022-03-24
EP22163985 2022-03-24

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