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WO2008085131A1 - Réseau sans fil pour dispositifs d'interface humaine d'ordinateurs personnels - Google Patents

Réseau sans fil pour dispositifs d'interface humaine d'ordinateurs personnels Download PDF

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Publication number
WO2008085131A1
WO2008085131A1 PCT/SG2008/000006 SG2008000006W WO2008085131A1 WO 2008085131 A1 WO2008085131 A1 WO 2008085131A1 SG 2008000006 W SG2008000006 W SG 2008000006W WO 2008085131 A1 WO2008085131 A1 WO 2008085131A1
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WO
WIPO (PCT)
Prior art keywords
human interface
communication
interface devices
control hub
personal computer
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/SG2008/000006
Other languages
English (en)
Inventor
Kah Yong Lee
Ping Siong Kwok
Tai Chew Tan
Chee Oei Chan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FreeSystems Pte Ltd
Original Assignee
FreeSystems Pte Ltd
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 FreeSystems Pte Ltd filed Critical FreeSystems Pte Ltd
Publication of WO2008085131A1 publication Critical patent/WO2008085131A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/038—Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/038—Indexing scheme relating to G06F3/038
    • G06F2203/0384—Wireless input, i.e. hardware and software details of wireless interface arrangements for pointing devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks

Definitions

  • This invention relates generally to a networking of computer devices. More particularly, this invention relates to the wireless networking of personal computers with human interface devices in communication with the personal computer. Description of Related Art
  • Wireless networks such as the Bluetooth network allow the communication between portable and remote electronic devices, such as notebook computers, mobile phones, personal digital assistants (PDA's), digital cameras, and mp3/MD/DVD players.
  • Digital media content files such as digitized audio (music and voice) and video files are transferred between the portable and remote electronic devices.
  • IEEE Network, Sep/Oct 2001, Vol.: 15, Issue: 5, pp.: 28-37, describes use of portable electronic devices in a network of personal devices that is often referred to as a personal area network.
  • the Bluetooth piconet network architecture a strict star topology, is extended into a scatternet architecture, where piconets are interconnected.
  • a consequence of creating scatternet-based personal area networks is that some nodes will form gateways between piconets, and these gateways must be capable of time sharing their presence in each piconet of which they are members.
  • Johansson et al. presents an overall architecture for handling scheduling in a scatternet.
  • rendezvous point algorithms A family of feasible inter-piconet scheduling algorithms, referred to as rendezvous point algorithms, is also introduced and discussed.
  • Bluetooth Human Interface Devices such as keyboards, pointing devices, gaming devices, and remote monitoring devices.
  • Section 4.4 describes that Bluetooth Human Interface devices shall set no limitation on the number of devices per host (up to the seven simultaneous active devices allowed per piconet). All trusted devices (devices that have either been authenticated or have no security procedures required) shall be allowed to have simultaneous connections to the host, if the host so desires.
  • European Patent EP1391805 (Lochner, et al.) relates to a human interface device for transmitting data to and receiving data from at least one data processing unit wherein the device comprises a human interface device module, a wireless communication module and a cable communication module. Data communication connections between the modules are switchable so as to vary an operating mode of the device.
  • the device may be a keyboard communicating with a computer system (32) via a universal serial bus (USB) connection and also communicating with other devices via a wireless communication link.
  • USB universal serial bus
  • European Patent EP1455272 (Zhang, et al.) describes host-side wireless interface services communications between a wireless user input device and a serviced host.
  • the host-side wireless interface includes a wireless network interface and a host interface.
  • the wireless network interface wirelessly communicates with the wireless user input device.
  • the host interface communicatively couples to the wireless interface and to the serviced host.
  • European Patent EP1553729 (Nick, et al.) provides a computer-readable portable media device used for transferring network settings for an ad hoc wireless network to simplify the task of configuring devices for the ad hoc wireless network.
  • a configuration program on an initiating computer assists a user in creating the network settings, including a security key, and incorporates the network settings in an extensible markup language (XML) file and writes the file in to the portable media device.
  • the portable media device is then attached to a second device that is to join the ad hoc wireless network.
  • the second device is automatically configured using the network settings on the portable media device for joining the ad hoc wireless network.
  • U. S. Patent Application 2005/0232190 illustrates a wireless processing device, a user input device, a display, and a wireless interface identifies a plurality of wirelessly networked devices that are wirelessly networked with the wireless processing device.
  • the wireless processing device identifies at least one of a user input devices and a display of the plurality of wirelessly networked devices that are available for use by the subject wireless device, selects from its native user input device and its native display and those user input devices and displays of plurality of wirelessly networked devices that are available.
  • the wireless processing device receives user input via the selected user input device by the processing resources of the wireless processing device, processes the user input, and displays the output on the selected display.
  • U. S. Patent Application 2006/0094461 (Hameed, et al.) describes a dual mode human interface device that includes a wireless interface for wireless communication with a host computer; a wired interface for wired communication with the host computer.
  • a processor is coupled with the wireless interface and the wired interface for transferring data between the human interface device and the host computer. The processor initiates establishing wireless communication with the host computer, when the human interface device is connected to the host computer via the wired interface.
  • An object of this invention is to provide a wireless network system for communication between a personal computer system and human interface devices such as a remote control, a keyboard, a mouse, a joystick, Musical Instrument Digital Interface (MIDI) device, a headset, an internet world wide web enabled camera, a voice over internet protocol (VoIP) telephone, a VoIP video telephone, a stereo headphone, or other human operated peripheral device.
  • human interface devices such as a remote control, a keyboard, a mouse, a joystick, Musical Instrument Digital Interface (MIDI) device, a headset, an internet world wide web enabled camera, a voice over internet protocol (VoIP) telephone, a VoIP video telephone, a stereo headphone, or other human operated peripheral device.
  • Another object of this invention is to provide a computer system having a wireless network system for communication between a computer processing unit and human interface devices.
  • a wireless network system includes a wireless control hub and a plurality of slave human interface device controllers.
  • the wireless control hub is in communication with the personal computer to act as a master node for the wireless network system.
  • the wireless control hub provides a control protocol such that each of the human interface devices can communicate with the personal computer to request and receive command messages, control messages, and data from the personal computer.
  • Each of the slave human interface device controllers is associated with one of the human interface devices to provide translation of command or data information that is transferred to and received from the associated human interface device for communication with the wireless control hub.
  • the control protocol transmits a plurality of communication frames between the wireless control hub and each of the human interface devices with a Time Division Multiple Access (TDMA) protocol for communication and control between the universal wireless control hub and each of the human interface devices.
  • TDMA Time Division Multiple Access
  • the wireless control hub generates a synchronization signal to allow any of the human interface devices to be synchronized with the wireless network system to permit communication between each of the slave human interface device controllers and the wireless control hub. Further, the wireless control hub generates a time slot assignment signal for each of the human interface devices designating a receiving time slot and a transmitting time slot of the communication frame for communicating file requests and data between the personal computer and the human interface devices.
  • the communication frame comprises synchronization, data error detection and/or correction, and data packets for the communication of the file requests and data between the personal computer and the human interface devices.
  • a computer system in another embodiment, includes a computer processing unit, a plurality of human interface, and a wireless network system for communication between the plurality of human interface devices and computer processing unit.
  • the wireless network system includes a wireless control hub and a plurality of slave human interface device controllers.
  • the wireless control hub is in communication with the computer processing system to act as a master node for the wireless network system.
  • the wireless control hub provides a control protocol such that each of the human interface devices can communicate with the computer processing unit to request and receive command messages, control messages, and data from the computer processing unit.
  • Each of the slave human interface device controllers is associated with one of the human interface devices to provide translation of command or data information that is transferred to and received from the associated human interface device for communication with the wireless control hub.
  • the control protocol transmits a plurality of communication frames between the wireless control hub and each of the human interface devices with a Time Division Multiple Access (TDMA) protocol for communication and control between the universal wireless control hub and each of the human interface devices.
  • TDMA Time Division Multiple Access
  • the wireless control hub generates a synchronization signal to allow any of the human interface devices to be synchronized with the wireless network system to permit communication between each of the slave human interface device controllers and the wireless control hub. Further, the wireless control hub generates a time slot assignment signal for each of the human interface devices designating a receiving time slot and a transmitting time slot of the communication frame for communicating file requests and data between the computer processing unit and the human interface devices.
  • the communication frame comprises synchronization, data error detection and/or correction, and data packets for the communication of the file requests and data between the personal computer and the human interface devices.
  • a method for communication of command and data between a personal computer and a human interface device begins by transmitting a marker beacon from a wireless master control hub at a fixed interval to synchronize a plurality human interface devices to form a network of human interface devices.
  • Each of the plurality of human interface devices includes a human interface device controller that is a slave to the master wireless control hub, which is in communication with a personal computer.
  • the marker beacon is detected by each of the slave peripheral human interface device controllers.
  • Each of the slave peripheral human interface device controllers communicates with the master wireless control hub to establish membership in the network of human interface devices.
  • the method continues by determining whether multiple human interface devices are trying to establish their membership on the network simultaneously, by the master wireless control hub. When multiple human interface devices are trying to establish their membership on the network, the multiple human interface devices retry to establish their membership in the wireless network at separate random times.
  • the slave human interface devices detect the marker beacon and synchronize with the master wireless control hub at the separate random times.
  • the master wireless control hub assigns a transmission and reception time slot within data frames of a communication protocol to each of the network of human interface devices, when there are no collisions of the peripheral slave multiple human interface devices.
  • Each of the peripheral slave human interface devices and the personal computer through the master wireless control hub communicate to exchange commands, requests, and data between.
  • the communication protocol comprises of synchronization, data error detection and/or correction, and data packets for the communication of the file requests and data between the personal computer and the human interface devices.
  • Fig. 1 is a block diagram of the human interface device wireless network of this invention.
  • Fig. 3 is a diagram of a communication protocol of the human interface wireless network of this invention.
  • Fig. 4 is a flow diagram of the method for communication of command and data between a personal computer and a human interface device.
  • a wireless network for personal computer human interface devices of this invention provides communication with all the human interface devices for a personal computer such as a remote control, a keyboard, a mouse, a joystick, Musical Instrument Digital Interface (MIDI) device, a headset, an internet world wide web enabled camera, a voice over internet protocol (VoIP) telephone, a VoIP video telephone, a stereo headphone, or other human operated peripheral device.
  • a personal computer such as a remote control, a keyboard, a mouse, a joystick, Musical Instrument Digital Interface (MIDI) device, a headset, an internet world wide web enabled camera, a voice over internet protocol (VoIP) telephone, a VoIP video telephone, a stereo headphone, or other human operated peripheral device.
  • MIDI Musical Instrument Digital Interface
  • headset an internet world wide web enabled camera
  • VoIP voice over internet protocol
  • the universal wireless control hub of the wireless network for personal computer human interface devices of this invention connects to a personal computer via a personal computer such as a Universal Serial Bus (USB), Personal Computer Memory Card International Association (PCMCIA) or any other physical interface.
  • a personal computer such as a Universal Serial Bus (USB), Personal Computer Memory Card International Association (PCMCIA) or any other physical interface.
  • USB Universal Serial Bus
  • PCMCIA Personal Computer Memory Card International Association
  • the universal wireless control hub can be built onto the motherboard of the personal computer.
  • the wireless network for personal computer human interface devices of this invention uses radio frequency (RF) to communicate between the devices and the personal computer.
  • the universal wireless control hub acts as a master node and the human interface devices communicating with the personal computer act as slave devices for the wireless network.
  • the protocol employs a Time Division Multiple Access (TDMA) protocol for the communication and control of the universal wireless control hub and the human interface devices.
  • the universal wireless control hub provides a beacon or marker for each of the human interface devices to synchronize with the wireless network.
  • Each of the human interface devices are assigned a time slot of a communication frame for receiving command, control and data from the personal computer through universal wireless control hub and a time slot of the communication from for transmitting file requests and data to the personal computer through the universal wireless control hub.
  • the communication frame provides the necessary synchronization, data error detection and/or correction, and the data packets for the communication.
  • the personal computer 5 has a universal wireless control hub 10 either plugged into an interface connector such as a USB connector or a PCMCIA connector or integrated into system packing of the personal computer 5.
  • the universal wireless control hub 10 has an interface bridge that converts the command and data that is transmitted to or received from the human interface devices 15a, 15b, 15c, 15d, and 15e the necessary format for use by the personal computer 5.
  • the network controller 14 receives or sends the command and data information from or to the interface bridge 12, formats the command or data information for transmission or extract the received data command or data information.
  • Each of the human interface devices 15a, 15b, 15c, 15d, and 15e is in communication with a human interface device network 20a, 20b, 20c, 2Od, and 20e.
  • Each human interface device network interface 20a, 20b, 20c, 20d, and 2Oe has a human interface device controller 22a, 22b, 22c, 22d, and 22e to provide the necessary translation of the command or data information that is transferred to and received from the human interface device 15a, 15b, 15c, 15d, and 15e.
  • the human interface device controller 22a, 22b, 22c, 22d, and 22e is in communication with the network controller 24a, 24b, 24c, 24d, and 24e to transfer to or receive the command or data information.
  • a wireless headset 15a receives digitized audio signals from the personal computer 5 through the universal wireless control hub 10 and the human interface device network interface 20a and transmits requests for digitized audio signals to personal computer 5 through the universal wireless control hub 10 and the human interface device network interface 20a.
  • a joystick 15b transmits digitized stick movement signals to personal computer 5 through the universal wireless control hub 10 and the human interface device network interface 20b.
  • a Keyboard 15c transmits digitized keystroke signals to the personal computer 5 through the universal wireless control hub 10 and the human interface device network interface 20c.
  • a video telephone 15d transmits and receives digitized video and audio signals to and from the personal computer 5 through the universal wireless control hub 10 and the human interface device network interface 2Od.
  • a remote control device 15e transmits digitized command and request signals to the personal computer 5 through the universal wireless control hub 10 and the human interface device network interface 2Oe and a receives status and command signals from the personal computer 5 through the universal wireless control hub 10 and the human interface device network interface 2Oe.
  • the network controller 14 of the universal wireless control hub 10 and the human interface device controllers 22a, 22b, 22c, 22d, and 22e of the human interface device network interfaces 20a, 20b, 20c, 2Od, and 2Oe provide a protocol that is able to support simultaneous transmission and reception from human interface devices 15a, 15b, 15c, 15d, and 15e.
  • the universal wireless control hub 10 is the master whereas the human interface device network interfaces 20a, 20b, 20c, 2Od, and 2Oe are the slaves.
  • the universal wireless control hub 10 acting as the master will transmit a marker (or beacon) at a fixed interval in order to synchronize the human interface device network interfaces 20a, 20b, 2Oc 1 2Od, and 20e as slaves.
  • a marker or beacon
  • Each human interface device network interface 20a, 20b, 20c, 20d, and 2Oe as slave is given a dedicated time slot for data transmission and reception between the universal wireless control hub 10 as master and the human interface device network interfaces 20a, 20b, 20c, 2Od, and 2Oe as slaves.
  • the human interface device network interfaces 20a, 20b, 20c, 20d, and 2Oe as slaves will communicate to the universal wireless control hub 10 as master directly and there is no communications among the human interface device network interfaces 20a, 20b, 20c, 2Od, and 2Oe.
  • TDMA time division multiple access control
  • the universal wireless control hub 10 allocates a time slot for transmission & reception for each of the human interface device network interfaces 20a, 20b, 20c, 2Od, and 2Oe.
  • a random back-off and retry mechanism will be used.
  • Each data frame 100 is divided into multiple time slots 105a, 105b, ..., 105n.
  • the beginning of the data frame 100 contains a frame synchronization pattern 110 that is transmitted by the universal wireless control hub 10 to provide the marker or beacon for the human interface devices 15a, 15b, 15c, 15d, and 15e to access the network through their human interface device network interfaces 20a, 20b, 20c, 2Od, and 2Oe human interface device network interfaces 20a, 20b, 20c, 2Od, and 2Oe.
  • the network controllers 24a, 24b, 24c, 24d, and 24e of the human interface device network interfaces 20a, 20b, 20c, 2Od, and 2Oe have established synchronization, they communicate with the universal wireless control hub 10 to request a transmit and receive time slot 105a, 105b, ..., 105n.
  • the universal wireless control hub 10 assigns the time slots 105a, 105b, ..., 105n such that each of the human interface devices 15a, 15b, 15c, 15d, and 15e have their assigned transmit and receive time slots 105a, 105b 105n During a transmit time slots 115a and 115b, the human interface devices 15a, 15b, 15c, 15d, and 15e transmit their request, commands and data to the universal wireless control hub 10 and then to the personal computer 5. During the receive slots 115n the human interface devices 15a, 15b, 15c, 15d, and 15e receive their commands and data from the universal wireless control hub 10 and then to the personal computer 5.
  • the sub-frames 105 of the data frame 100 are divided into three sections: a header 115, a data package 120, and a trailer 125.
  • the header 115 provides a synchronization pattern 116 for the sub-frame 115, a start signal 117 indicating a beginning of the transmission, a transmit identifier 118 indicating the source device and a receiver identifier 119 indicating the receiving device.
  • the data package 120 contains command packets 121 which contain command or requests for the personal computer 5 or the human interface devices 15a, 15b, 15c, 15d, and 15e.
  • the data packets 122 which contains the data such as digitized audio or digitized video for the personal computer 5 or the human interface devices 15a, 15b, 15c, 15d, and 15e.
  • the trailer 125 is the ending segment that may contain just a stop signal or include error detection and correction data or other data frame 100 control information.
  • Fig. 3 illustrates a method for communication of command and data between a personal computer and a human interface device of this invention.
  • the wireless control hub acting as a master node transmits (Box 300) a marker beacon at a fixed interval in order to synchronize human interface device network interface of human interface device as a peripheral slave to the master wireless control hub of a personal computer.
  • the peripheral slave of the human interface device detects (Box 305) the marker beacon and communicates with the master wireless control hub to establish membership in the network.
  • the master wireless control hub determines (Box 310) whether multiple human interface devices are trying to establish their membership on the network.
  • each of the multiple human interface devices detect (Box 305) the marker beacon and synchronize with the master wireless control hub at their separate times. If there are not collisions of the peripheral slave multiple human interface devices, the master wireless control hub is assigned (Box 320) its transmission and reception time slot within the data frames of the communication protocol. The peripheral slave human interface devices communicate (Box 325) with the master wireless control hub to exchange commands, requests, and data.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Small-Scale Networks (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un système de réseau sans fil comprenant un concentrateur de commande maître sans fil en communication avec un ordinateur personnel et qui fournit un protocole de commande à des dispositifs d'interface humaine pour permettre à ceux-ci de communiquer afin de demander et de recevoir des messages de commande, des messages de contrôle ainsi que des données en provenance de l'ordinateur personnel. Des contrôleurs de dispositifs d'interface humaine esclaves sont associés à un des dispositifs d'interface humaine afin d'assurer la translation d'informations de commande ou de données du dispositif d'interface humaine associé vers le concentrateur de commande sans fil. Le concentrateur de commande sans fil génère un signal de synchronisation afin de permettre à n'importe quel dispositif parmi les dispositifs d'interface humaine d'être synchronisé avec le système de réseau sans fil pour permettre une communication entre chacun des dispositifs d'interface humaine et le concentrateur de commande sans fil. Le concentrateur de commande sans fil génère un signal d'attribution d'intervalle de temps de réception et d'émission pour chacun des dispositifs d'interface humaine pour une trame de communication permettant de communiquer des demandes de fichiers et des données entre l'ordinateur personnel et les dispositifs d'interface humaine.
PCT/SG2008/000006 2007-01-08 2008-01-08 Réseau sans fil pour dispositifs d'interface humaine d'ordinateurs personnels Ceased WO2008085131A1 (fr)

Applications Claiming Priority (2)

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US87917407P 2007-01-08 2007-01-08
US60/879,174 2007-01-08

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