Method and circuit for calculating a timeout parameter in a communication session

A communication session and parameter technology, applied in electrical components, digital transmission systems, data exchange networks, etc., can solve problems such as uncertain time and achieve the effect of flexible computing

Inactive Publication Date: 2008-08-20
NXP BV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0017] The disadvantage of using the time added due to uncertainty is that this parameter must be set manually, resulting in imprecise values ​​that are too long or too short for the session timeout parameter

Method used

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  • Method and circuit for calculating a timeout parameter in a communication session
  • Method and circuit for calculating a timeout parameter in a communication session
  • Method and circuit for calculating a timeout parameter in a communication session

Examples

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Embodiment Construction

[0032] Examples according to the present invention are given below.

[0033]FIG. 2 shows a target communication device 101 and an initiator communication device 102 . Both communication devices 101 and 102 comprise electronic circuitry (not shown in Fig. 2), preferably integrated circuits, and communication means designed for contactless radio frequency communication. In the present case, a communication coil is provided as communication means for inductive coupling between the two communication devices 101 and 102 . However, antenna structures such as monopole antennas or multipole antennas may likewise be used. For both devices, the circuits are designed to process and transmit data according to the international standard 18092. Circuits are connected to the communication means of the respective communication devices 101 and 102 .

[0034] The circuitry of the target communication device 101 is designed to fulfill the timeout parameters in the communication session. The ...

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PUM

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Abstract

A method for calculating a timeout parameter in a communication session, comprising the steps of: initializing the session; calculating session initialization by measuring the time interval between sending a first data packet and accepting a second data packet at a target communication device 101 During the connection throughput, the time interval includes a fixed calculation time delay of the initiator communication device 102, wherein the packet is smaller than the maximum packet; the maximum data packet that can be sent and received is calculated based on the calculated throughput. round trip time; and set the session timeout parameter equal to the calculated maximum round trip time.

Description

technical field [0001] The invention relates to a method for calculating a timeout parameter in a communication session. [0002] The invention also relates to a circuit designed to calculate a timeout parameter in a communication session according to the method described above. [0003] The invention also relates to a communication device comprising the circuit in the preceding paragraphs. [0004] The present invention also relates to a computer-readable medium containing a computer-executable program for performing the above method. [0005] The invention also relates to a computer program performing the calculation of a timeout parameter in a near field communication session according to the invention. Background technique [0006] Identification products such as smart cards and RFID (Radio Frequency Identification) tags are widely used in applications such as transportation (ticketing, road tolls, luggage tagging), finance (debit and credit cards, e-wallets, business ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56
CPCH04L47/10H04L47/115H04L47/283H04L47/36H04L69/28
Inventor 弗朗切斯科·加洛
Owner NXP BV
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