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Wireless communication apparatus and wireless communication method

A technology of wireless communication and wireless communication system, applied in the field of wireless communication equipment and wireless communication

Inactive Publication Date: 2010-06-09
SONY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, there is such a problem that the command (A) is prevented from being sent

Method used

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  • Wireless communication apparatus and wireless communication method
  • Wireless communication apparatus and wireless communication method
  • Wireless communication apparatus and wireless communication method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0037] The best mode (hereinafter referred to as an embodiment) for carrying out the present invention will be described below.

1. Specific examples

[0038] 2. Modify

[0039] Although the specific embodiment given below is a better specific example, and at the same time provides some limitations that can be adopted technically, the scope of the present invention is not limited to this embodiment, unless the following description includes a limitation of this embodiment. Any description of the invention.

[1. specific embodiment]

[0040] [Overview of Communication System]

[0041] Such as Figure 8 As shown, a transmitter module 100 in a transmitter 80 and a receiver module 110 in a receiver 90 are in radio frequency (RF) wireless communication with each other. Reference numeral 101 denotes a transmitting antenna, and 111 denotes a receiving antenna. In the case of two-way communication, another pair of transmitter and receiver modules is added. The receiver module 1...

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PUM

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Abstract

A wireless communication system includes a transmitting side equipped with a microcomputer for control, for transmitting data and also includes a receiving side for receiving data. To prevent the receiving side from receiving identical data more than once, a sequence number is automatically incremented every time a frame of transmit data is transmitted. The sequence number is transmitted together with the data. The next process is performed if it is determined that transmission is correctly performed, or the data is transmitted again without incrementing the sequence number if it is determined that the transmission is not correctly performed. The sequence number is returned to an initial value when the microcomputer for control is reset, and dummy data is transmitted together with the initial value immediately after a reset. The data is transmitted together with an incremented sequence number after transmission of the dummy data.

Description

technical field [0001] The present invention relates to a wireless communication device and a wireless communication method, which are used for remote control of electronic devices based on wireless communication. Background technique [0002] In order to remotely control electronic devices such as televisions, the frequency band of radio communication used in industry, science and medicine (ISM) is preferably in the 2.4GHz band, because, compared with infrared communication, it is affected by obstacles. less impact and can transmit wireless signals farther. In addition, since the receiving side sends back an acknowledgment and can resend even if communication fails, there is an additional advantage that the sending operation will not be mistaken. [0003] In a remote control system based on such a radio frequency communication (hereinafter also referred to as RF) system, when sending a command, data is divided into a plurality of packets and sent. Numerical data (hereinaf...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/16H04L29/08H04B1/40H04L1/00H04W28/04H04W92/08
CPCH04L1/1607
Inventor 菊池和纪佐藤善记弦本隆志中野政弘
Owner SONY CORP