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WO2010008251A2 - Appareil et procédé de commande de puissance - Google Patents

Appareil et procédé de commande de puissance Download PDF

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Publication number
WO2010008251A2
WO2010008251A2 PCT/KR2009/003982 KR2009003982W WO2010008251A2 WO 2010008251 A2 WO2010008251 A2 WO 2010008251A2 KR 2009003982 W KR2009003982 W KR 2009003982W WO 2010008251 A2 WO2010008251 A2 WO 2010008251A2
Authority
WO
WIPO (PCT)
Prior art keywords
power
command
event
controller
host
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/KR2009/003982
Other languages
English (en)
Other versions
WO2010008251A3 (fr
Inventor
Ju Hyung Son
Seung Hyup Ryoo
Jae Joon Park
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.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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 LG Electronics Inc filed Critical LG Electronics Inc
Publication of WO2010008251A2 publication Critical patent/WO2010008251A2/fr
Anticipated expiration legal-status Critical
Publication of WO2010008251A3 publication Critical patent/WO2010008251A3/fr
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/40—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by components specially adapted for near-field transmission
    • H04B5/48—Transceivers
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
    • H04M1/72412—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories using two-way short-range wireless interfaces
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
    • H04W52/0235—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal where the received signal is a power saving command
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/04—Details of telephonic subscriber devices including near field communication means, e.g. RFID
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to an interface between elements contained in a device, and more particularly to a power management process between elements contained in a device.
  • NFC Near Field Communication
  • RF radio frequency
  • the present invention is directed to an apparatus for controlling a power and a method thereof that substantially obviate one or more problems due to limitations and disadvantages of the related art.
  • An object of the present invention is to provide a power management method for implementing optimum communication between elements contained in a device using a minimum amount of power.
  • the object of the present invention can be achieved by providing a method of controlling a power of a device 10 including a device host 100 and an NFC controller 200, the method including receiving a command from an external source 20 in the NFC controller 200, the command indicating whether to power on or off, transmitting a power control command to the device host 100, the power control command indicating whether to power on or off, and receiving an event being responded to the power control command from the device host 100, the event notifying achievement of the power control command.
  • a method of controlling a power of an NFC controller 200 in a device host 100 including transmitting a command indicating a control of the power of the NFC controller 200 to the NFC controller 200, the command including power mode information indicating a power mode of the NFC controller 200, and receiving an event being responded to the command from the NFC controller 200, the event notifying achievement of the command, wherein the power mode includes at least one of a normal mode to supply a power to an external source when to communicate with the external source 20, a sleep mode to be supplied to a power from the external source when to communicate with the external source 20, and a power-off mode.
  • a method of controlling a power of a device host 100 in an NFC controller 200 including transmitting a command indicating a control of the power of the device host 100 to the device host 100, the command including power mode information indicating a power mode of the device host 100, receiving an event being responded to the command from the device host 100, the event notifying achievement of the command, and retransmitting the command to the device host 100 if the event is not received during a predetermined time, wherein the power mode includes at least one of a normal mode to transmit and receive data and a power-off mode.
  • an apparatus for controlling a power including a controller 200 configured to control to receive a command from an external source 20, the command indicating whether to power on or off, configured to control to transmit a power control command to a device host 100, the power control command indicating whether to power on or off, and configured to control to receive an event being responded to the power control command from the device host 100, the event notifying achievement of the power control command.
  • an apparatus for controlling a power including a controller configured to transmit a command indicating to control the power to a device host 100, the command including power mode information indicating power mode of the device host 100, configured to control to receive an event being responded to the command from the device host 100, the event notifying achievement of the command, and configured to control to retransmit the command to the device host 100 if the event is not received during a predetermined time, wherein the power mode includes at least one of a normal mode to transmit and receive data and a power-off mode.
  • the present invention can control a target element using a command and event communicated between elements contained in a device 10, thus guaranteeing effective power management.
  • the present invention can immediately recognize the presence or absence of erroneous power management in a target element on the basis of an event, thus guaranteeing the accuracy of power management.
  • FIG. 1 is a block diagram illustrating an overall system according to the present invention.
  • FIG. 2 is a block diagram illustrating a controller 200 contained in a system according to the present invention.
  • FIG. 3 is a flow chart of a command, an event, and a data message according to the present invention.
  • FIG. 4 is a flow chart illustrating a method for controlling power of a controller 200 by a host according to the present invention.
  • FIG. 5 is a flow chart illustrating a method for controlling power of a controller 200 by a host 100 according to the present invention.
  • FIG. 6 illustrates a format of parameters related to a command and an event according to the present invention.
  • FIG. 7 illustrates a format of parameters of "NCI_CORE_GET_POWER_LEVEL_CMD" and "NCI_CORE_GET_POWER_LEVEL_EVENT" according to the present invention.
  • FIG. 8 illustrates power status parameters according to the present invention.
  • FIG. 9 is a flow chart illustrating a method for controlling power of a controller 200 by a host 100 according to another embodiment of the present invention.
  • FIG. 1 is a block diagram illustrating an overall system according to the present invention.
  • NFC Near Field Communication
  • an overall system for use in a Near Field Communication (NFC) environment may include an NFC device 10 and an external source 20.
  • NFC Near Field Communication
  • the NFC device 10 may include a host 100 for controlling a controller 200 and Secure Elements (SEs) 301, 302 and 303, and the controller 200 for controlling communication between the NFC device 10 and the external source 20 under the NFC environment.
  • the external source 20 communicates with the NFC device 10 through the controller 200 contained in the NFC device 10 under the NFC environment, and may include a reader for a transportation card or an access control system, a tag of a smart poster, etc.
  • FIG. 2 is a block diagram illustrating a controller 200 according to the present invention.
  • the controller 200 may include an interface 201, a message manager 202, a buffer 203, a processor 204, and an antenna 205.
  • the interface 201 is defined as a logical and physical connection path among the host 100, the SEs 301, 302 and 303, and the controller 200. Particularly, according to the embodiment of the present invention, the interface 201 may be used as a connection path between the host 100 and the controller 200 under the NFC environment, and may be defined as an NFC Host Controller Interface (NCI).
  • NCI NFC Host Controller Interface
  • the interface 201 may be implemented in different ways according to whether one host 100 is connected to the controller 200 (i.e., a single-host architecture) or other constituent components including any secure element (SE) in addition to the host 100 are connected to the controller 200 (i.e., a multi-host architecture).
  • a single-host architecture i.e., a single-host architecture
  • SE secure element
  • the NCI scope does not change, the NCI needs to support additional features in a multi-host architecture, compared to the single-host architecture. Therefore, the required NCI functionality is different in a single-host or multi-host environment.
  • the interface 201 is included in the controller 200 in the exemplary embodiment of the present invention, it may be incorporated into the host 100 or into both the controller 200 and the host 100.
  • the interface 201 sends signals received from the host 100 to individual constituent components of the controller 200, or sends signals processed by the constituent components to the host 100.
  • the interface 201 receives a command from the host 100, sends the command to the message manager 202, receives a response for the command from the message manager 202, and sends the response to the host 100.
  • a concept including the command and the response is defined as a message.
  • the present invention will disclose a message flow in the scope of the NFC Host Controller Interface (NCI) used as the interface 201.
  • NCI NFC Host Controller Interface
  • the message manager 202 receives a command from the interface 201 and generates a response message to the command.
  • the response message may include an initial response indicating an acknowledgement message corresponding to the command originated from a host 100, and a subsequent response transmitted after the initial response such that it is used as one of a plurality of responses corresponding to the command.
  • the controller 200 receives the command according to the embodiment of the present invention. In contrast, it is also obvious to those skilled in the art that the controller 200 generates a command and transmits the command to the host 100, and the host 100 generates a response to the command.
  • multiple responses corresponding to the command may be generated together with an identifier for identifying a transmission entity of such responses.
  • the identifier generated from the message manager 202 may be equal to an identifier for identifying the command generated from the host 100.
  • multiple responses corresponding to the command may be generated together with an identifier for identifying a transmission entity of such responses.
  • the identifier generated from the message manager 202 may be equal to an identifier for identifying the command generated from the host 100.
  • the message manager 202 upon receiving a get command and a set command from the host 100, the message manager 202 generates a get command response to the get command and a set command response to the set command.
  • the get command response is generated in response to a get command including a parameter identifier for retrieving a parameter value of the controller 200, and the get command response has a retrieved value corresponding to the parameter.
  • the set command response is generated in response to a set command including a parameter identifier for setting a parameter of the controller 200 to a target value.
  • the buffer 203 stores a command generated from the host 100 and a response generated from the message manager 202, and transmits the command and the response to the processor 204.
  • the buffer 203 may be used as a temporary storage unit while the controller 200 performs a given process.
  • the buffer 203 may also be used to disperse the work load of the processor 204.
  • the processor 204 executes the command received from the buffer 203.
  • the message manager 202 monitors the execution status of the processor 204, and generates the aforementioned initial response or subsequent response (i.e., an event) according to the execution status.
  • the antenna 205 is used as an interface between the controller 200 and the external source 20 for Near Field Communication (NFC), and is used for transmission and/or reception of a radio frequency (RF) signal.
  • NFC Near Field Communication
  • RF radio frequency
  • a data flow between a sender and a receiver may be classified into a command flow, an event flow, and a data message flow.
  • types of the above-mentioned data flows for use in the system will be described with reference to FIG. 3.
  • FIG. 3 shows flows of a command, events, and data messages between the host 100 and the controller 200 according to the present invention.
  • the sender may be the host 100 and the controller 200, and the receiver may also be the host 100 and the controller 200.
  • the following description assumes that an entity of the command is the host 100.
  • a command generated from the sender may command the receiver to carry out a specific action instructed by the command itself.
  • the command may be answered with at least one event.
  • the controller 200 transmits a first event (Event 1) and a second event (Event 2) as responses to the command.
  • the first event (Event 1) indicates acknowledgement of reception of the command
  • the second event (Event 2) is a final response indicating the completion of an operation for processing the command in the direction from the controller 200 to the host 100.
  • the second event (Event 2) is generated as one of a plurality of subsequent responses corresponding to the command.
  • Event 1 may be implemented as mandatory and Event 2 may be implemented as optional, however, it may be possible implementing Event 1 as optional and Event 2 as mandatory.
  • the first event (Event 1) and the second event (Event 2) may be implemented as mandatory or optional responses to the command. In this case, it is necessary to define the relationship between the command and the Event 1 or 2 used as a response to this command. This relationship is referred to as a transaction.
  • the transaction is started with a command and is ended when this command is completed, and the concept of the transaction is applicable to commands and events having the parameter transaction identifier. At least one event corresponding to the response of a command may have the same transaction identifier in connection with the command to which the event belongs.
  • the transaction identifier value may not be reused as long as the transaction is not complete. In other words, if the sender transmits a command, all events and commands associated with the transmitted command have the same transaction identifier value until the action based on the above-mentioned command is completed.
  • a data message can be sent from the host 100 to the controller 200 or vice versa.
  • the sender i.e., the host 100 of a data message
  • the receiver i.e., the controller 200.
  • FIG. 4 is a flow chart illustrating a method for controlling power of a controller by a host according to the present invention.
  • the host 100 transmits a command for power control of the controller 200 to the controller 200 at step S10.
  • the controller 200 controls the power of the controller 200 on the basis of the instruction of the received command at step S20. Thereafter, the controller 200 may send an event as a response to the command at step S30.
  • Transmission of the event transmitted from the controller 200 may be optional, and the controller 200 may not send an event for a power-off command.
  • the controller 200 may send a reception-associated event simultaneously while receiving the command. That is, the controller 200 may notify the host 100 of the completion of normal transmission of the command. Thereafter, the power control process for the controller 200 may be carried out by the instruction of the command.
  • the host 100 may retransmit the command when it does not receive the event within a given time, such that it can expedite the power control process of the controller 200 and can effectively use the power of the device.
  • FIG. 5 is a flow chart illustrating a method for controlling power of a controller by a host according to the present invention.
  • the controller 200 receives a command for power control of the host 100 from the external source at step S100.
  • the controller 200 transmits the command for power control to the host 100 on the basis of the instruction of the received command at step S200.
  • the host 100 performs power control on the basis of the instruction of the received command at step S300.
  • the host 100 may transmit an event as a response to the command at step S400.
  • Transmission of the event transmitted from the controller 100 may be optional, and the controller 200 may not transmit an event for a power-off command.
  • the controller 200 may transmit a reception-associated event simultaneously while receiving the command. That is, the host 100 may notify the controller 200 of the completion of normal transmission of the command. Thereafter, the power control process for the controller 100 may be carried out by the instruction of the command.
  • the controller 200 may retransmit the command when it does not receive the event within a given time, such that it can expedite the power control process of the host 100 and can effectively use the power of the device.
  • FIG. 6 illustrates a format of parameters for a command and an event according to the present invention.
  • the command may include parameters for a transaction identifier and a power status.
  • the event may include parameters for a transaction identifier and a status.
  • the parameter for the transaction identifier is the same as described above.
  • the transaction identifier originated from one command has the same value until the command is completed. Therefore, the transaction identifier of the command has the same value as in the event replying to the command.
  • the parameter of the power status may be established in a different manner depending on what the entity is, i.e., the host 100 or the controller 200.
  • the difference in the power-status parameter may occur due to characteristics of individual elements included in the device.
  • the controller 200 may actively emit the electric field to the external source so as to RF-communicate with the external source.
  • the controller 200 may passively receive the electric field from the external source, such that it may communicate with the external source.
  • the power status for the controller 200 may include three power modes.
  • the three power modes may be a normal mode, a sleep mode, and a power-off mode.
  • the normal mode corresponds to a command for maintaining the normal power-on status of the controller 200.
  • the power-off mode corresponds to a command for powering off the controller 200.
  • the controller 200 receives the electric field (i.e., power) from the external source, such that it can passively communicate with the external source.
  • the controller 200 may transmit or receive to/from the external source, depending on power of the external source.
  • the power status of the host 100 may include a power-on mode for powering on the host 100 and a power-off mode for powering off the host 100, the scope of the present invention is not limited thereto.
  • the status parameter of the event indicates a current power status of a host 100 or controller 200 processed by the command.
  • the status parameter may indicate the failure in power control of the host 100 and the controller 200.
  • FIG. 7 illustrates a format of parameters of "NCI_CORE_GET_POWER_LEVEL_CMD" and "NCI_CORE_GET_POWER_LEVEL_EVENT" according to the present invention.
  • NCI_CORE_GET_POWER_LEVEL_CMD and “NCI_CORE_GET_POWER_LEVEL_EVENT” are commands for checking a current power status of each associated element. For example, there may be a need for the host 100 to check the power status of the controller 200. Needless to say, there may also be a need for the controller 200 to check the power status of the host 100. In this case, each power status of associated elements can be confirmed by "NCI_CORE_GET_POWER_LEVEL_CMD" and “NCI_CORE_GET_POWER_LEVEL_EVENT".
  • NCI_CORE_GET_POWER_LEVEL_CMD and “NCI_CORE_GET_POWER_LEVEL_EVENT” may include parameters for a transaction identifier, a power status, and a status, and individual parameters are the same as in FIG. 6.
  • the controller 200 may transmit "NCI_CORE_GET_POWER_LEVEL_EVENT" including a current power status of the controller 200 to the host 100.
  • the status parameter may represent a specific status in which it is impossible to check the power status of a current element. That is, the status parameter may represent a specific status in which the instruction of the command has not been carried out.
  • FIGS. 8A and 8B illustrate power status parameters according to the present invention.
  • FIG. 8A is a configuration view of the power status associated with a command for controlling the power of the host 100.
  • FIG. 8B is a configuration view of the power status associated with a command for controlling the power of the controller 200.
  • the configurations of FIGS. 8A and 8B are disclosed only for illustrative purposes, however it is obvious to those skilled in the art that there are a variety of power statuses based on corresponding elements.
  • FIG. 9 is a flow chart illustrating a method for controlling power of a controller 200 by a host 100 according to another embodiment of the present invention.
  • the host 100 changes a power mode of the controller 200 to a normal mode, and adds a duration parameter to instruct a duration of the normal mode at step S50.
  • the controller 200 changes a current power mode to a normal mode at step S55, and transmits an event as a response to the command at step S60.
  • the controller 200 changes a current power mode to a previous power mode at step S63, and transmits an event corresponding to the changed power mode at step S65.
  • Transmission of the event transmitted from the controller 200 may be optional, and the controller 200 may not transmit an event for a power-off command.
  • the host 100 may transmit a reception-associated event simultaneously while receiving the command. That is, the host 100 may notify the controller 200 of the completion of normal transmission of the command. Thereafter, the power control process for the host 100 may be carried out by the instruction of the command.
  • the present invention can control a target element using a command and event communicated between elements contained in a device, thus guaranteeing effective power management.
  • the present invention can immediately recognize the presence or absence of erroneous power management in a target element on the basis of an event, thus guaranteeing the accuracy of power management.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer And Data Communications (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Power Sources (AREA)

Abstract

L'invention concerne un appareil et un procédé de commande de puissance. L'invention concerne un procédé pour commander la puissance d'un dispositif comprenant un dispositif hôte et un contrôleur NFC (communication en champ proche). Ce procédé consiste: à recevoir, au niveau du contrôleur NFC, une instruction provenant d'une source extérieure, l'instruction indiquant si l'alimentation doit être coupée ou allumée; à transmettre une instruction de commande de puissance au dispositif hôte, ladite instruction indiquant si l'alimentation doit être coupée ou allumée; et à recevoir un événement en réaction à l'instruction de commande de puissance provenant du dispositif hôte, cet événement notifiant l'exécution de l'instruction de commande de puissance.
PCT/KR2009/003982 2008-07-18 2009-07-17 Appareil et procédé de commande de puissance Ceased WO2010008251A2 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US8173908P 2008-07-18 2008-07-18
US61/081,739 2008-07-18
US9206708P 2008-08-27 2008-08-27
US61/092,067 2008-08-27
US11724308P 2008-11-24 2008-11-24
US61/117,243 2008-11-24

Publications (2)

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WO2010008251A2 true WO2010008251A2 (fr) 2010-01-21
WO2010008251A3 WO2010008251A3 (fr) 2013-02-28

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Cited By (8)

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WO2012178107A1 (fr) * 2011-06-24 2012-12-27 Qualcomm Incorporated Procédés et appareils pour améliorer des mécanismes de mise à jour de paramètre nfc
US20140220886A1 (en) * 2011-12-16 2014-08-07 Farid Adrangi Connection and synchronization with a device in a non-active state based on near field communication
CN104754171A (zh) * 2013-12-27 2015-07-01 兄弟工业株式会社 通信系统、通信装置和用于控制信息处理装置的方法
DE102016002933A1 (de) 2016-03-10 2016-08-25 Daimler Ag Verfahren zum Regeln eines Roboters und Roboter
RU2596579C2 (ru) * 2011-09-30 2016-09-10 Квэлкомм Инкорпорейтед Способы и устройство для усовершенствования механизмов обновления конфигурационных параметров обмена данных по технологии nfc
US10142925B2 (en) 2012-12-26 2018-11-27 Brother Kogyo Kabushiki Kaisha Communication apparatus
WO2019236173A1 (fr) * 2018-06-03 2019-12-12 Apple Inc. Gestion de communications en champ proche à l'aide d'un mode express à faible puissance d'un dispositif électronique
EP2680246B1 (fr) * 2012-06-26 2022-11-30 BSH Hausgeräte GmbH Appareil ménager

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KR100746875B1 (ko) * 2006-01-13 2007-08-07 삼성전자주식회사 듀얼모드 단말기의 동작모드 전환 방법 및 그 장치
WO2008065232A1 (fr) * 2006-11-27 2008-06-05 Nokia Corporation Gestion de puissance d'un appareil de communication en champ proche
WO2008071925A1 (fr) * 2006-12-15 2008-06-19 Innovision Research & Technology Plc Communicateur de communications en champ proche et procédé de communications de données

Cited By (30)

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CN103636272A (zh) * 2011-06-24 2014-03-12 高通股份有限公司 用于改进nfc参数更新机制的方法和装置
US8989658B2 (en) 2011-06-24 2015-03-24 Qualcomm Incorporated Methods and apparatuses for improving NFC parameter update mechanisms
KR101540332B1 (ko) * 2011-06-24 2015-07-30 퀄컴 인코포레이티드 Nfc 파라미터 업데이트 메커니즘들을 개선하기 위한 방법들 및 장치들
WO2012178107A1 (fr) * 2011-06-24 2012-12-27 Qualcomm Incorporated Procédés et appareils pour améliorer des mécanismes de mise à jour de paramètre nfc
CN103636272B (zh) * 2011-06-24 2017-05-17 高通股份有限公司 用于改进nfc参数更新机制的方法和装置
EP3319008B1 (fr) * 2011-09-30 2021-03-31 Qualcomm Incorporated Procédé et appareil permettant d'améliorer l'échange de données nfc des mécanismes de mise à jour de paramètres de configuration
RU2596579C2 (ru) * 2011-09-30 2016-09-10 Квэлкомм Инкорпорейтед Способы и устройство для усовершенствования механизмов обновления конфигурационных параметров обмена данных по технологии nfc
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