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Wireless communication system, wireless communication device and wireless communication method, and computer program

一种无线通信系统、无线通信设备的技术，应用在无线通信系统领域

Inactive Publication Date: 2005-11-02
WI FI ONE TECH INT LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the adoption of the method of using the preamble signal corresponding to the redundant time added before the signal will cause a problem that it takes a long period of time to implement the connection procedure

Method used

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  • Wireless communication system, wireless communication device and wireless communication method, and computer program
  • Wireless communication system, wireless communication device and wireless communication method, and computer program
  • Wireless communication system, wireless communication device and wireless communication method, and computer program

Examples

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Embodiment Construction

[0059] An embodiment of the present invention will be described below with reference to the accompanying drawings.

[0060] FIG. 1 shows an example of an arrangement of communication devices constituting a wireless communication system according to an embodiment of the present invention. FIG. 1 illustrates a case where communication device #1 to communication device #7 are distributed in the same space.

[0061] The dotted line in FIG. 1 indicates the communication area of ​​each communication device, wherein each communication device can communicate with other communication devices existing in the communication area, and also forms interference in the communication area.

[0062] That is, in the example shown in FIG. 1 , communication device #1 exists within an area capable of communicating with adjacent communication devices #2, #3, and #7. Communication device #2 exists in an area capable of communicating with adjacent communication devices #1 and #3. Communication device...

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PUM

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Abstract

An information transmission source forms a transmission packet at a predetermined time unit into which a preamble is inserted and transmits it. The information reception target returns an acknowledge (ACK) packet or a not acknowledge (NACK) packet into which a preamble is inserted. A hidden terminal recognizes that the transmission path is used for data retransmission from when the NACK is received to when the next ACK is received to avoid collisions. Further, when there is transmission data at the information transmission source specified by a beacon signal, it is recognized that the transmission path is used until the next ACK is received. For example, in an ultra wide band communication method, access control is executed while avoiding collisions of communication communications and a retransmission control is executed.

Description

technical field [0001] The present invention relates to a wireless communication system for mutual communication between a plurality of wireless stations, a wireless communication device, a wireless communication method and a computer program, and in particular to a wireless communication system for realizing access control and retransmission control for avoiding communication conflicts , a wireless communication device, a wireless communication method and a computer program. [0002] More specifically, the present invention relates to a wireless communication system, a wireless communication device, a wireless communication method and a computer program for realizing access control and retransmission control for avoiding communication conflicts in an ultra-wideband communication system, and especially relates to A wireless communication system, a wireless communication device, a wireless communication method, and a computer program for providing access control and retransmiss...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/16H04L12/28H04L29/08H04W36/16H04W74/00H04W84/12
CPCH04W74/00H04W36/16H04W84/12H04L1/1671H04W72/563
Inventor 菅谷茂
Owner WI FI ONE TECH INT LTD
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